gcc/ChangeLog

   1 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
   2
   3         PR bootstrap/31776
   4         * system.h: Remove inclusion of double-int.h
   5         * tree.h: Include double-int.h
   6         * gengtype.c: Likewise
   7         * cfgloop.h: Likewise
   8         * Makefile.in: Adjust dependencies on double-int.h
   9
  10 2007-05-02  Eric Christopher  <echristo@apple.com>
  11
  12         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
  13         -shared to -Zdynamiclib.
  14
  15 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
  16
  17         PR c++/31663
  18         * c-common.c (strip_pointer_or_array_types): New function.
  19         * c-common.h (strip_pointer_or_array_types): New function declaration.
  20
  21 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
  22
  23         PR tree-optimization/31771
  24         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
  25
  26 2007-05-02  Paul Brook  <paul@codesourcery.com>
  27
  28         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
  29
  30 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  31
  32         PR middle-end/29715
  33         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
  34         transformation.
  35
  36 2007-05-02  Nick Clifton  <nickc@redhat.com>
  37
  38         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
  39
  40 2007-05-02  Richard Guenther  <rguenther@suse.de>
  41
  42         PR tree-optimization/31146
  43         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
  44         argument, single_use_p.  If we have a single use that is
  45         a conversion to the definition rhs type, propagate that rhs.
  46         (forward_propagate_addr_expr): Pass single_use_p argument
  47         to forward_propagate_addr_expr_1.
  48
  49 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
  50
  51         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
  52         variable.
  53
  54 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  55
  56         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
  57         'AMD Family 10 core'.
  58
  59 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  60
  61         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
  62         and athlon64-sse3 as improved versions of k8, opteron and athlon64
  63         with SSE3 instruction set support.
  64         * doc/invoke.texi: Likewise.
  65
  66 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
  67
  68         * config/i386/i386.c (override_options): Tuning 32-byte loop
  69         alignment for amdfam10 architecture. Increasing the max loop
  70         alignment to 24 bytes.
  71
  72 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
  73
  74         * config/m68k/constraints.md: New.
  75         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
  76         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
  77         EXTRA_CONSTRAINT): Remove.
  78         * config/m68k/m68k.md: Include constraints.md.
  79         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
  80
  81 2007-05-01  Ian Lance Taylor  <iant@google.com>
  82
  83         PR tree-optimization/31739
  84         * tree-vrp.c (vrp_val_is_max): New static function.
  85         (vrp_val_is_min): New static function.
  86         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
  87         copying the node.
  88         (set_value_range): Use vrp_val_is_{max,min}.
  89         (extract_range_from_assert): Likewise.
  90         (extract_range_from_binary_expr): Likewise.
  91         (extract_range_from_unary_expr): Likewise.
  92         (dump_value_range, vrp_meet): Likewise.
  93         (vrp_visit_phi_node): Likewise.
  94         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
  95
  96 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
  97
  98         * config/i386/gmon-sol2.c (size_t): New type.
  99         (intptr_t): Likewise.
 100         (s_textsize): Declare as size_t.
 101         (sbrk): Declare.
 102         (monstartup): Use size_t for sizes.
 103         (_mcount): Save and restore registers.
 104         (internal_mcount): Pass 0 as the first argument to monstartup
 105         in 64-bit mode.
 106         (moncontrol): Convert pointer to appropriately sized integer
 107         before passing to profil.
 108
 109 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 110
 111         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 112         __NO_FPRS__, not just if _SOFT_DOUBLE.
 113         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 114         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 115         also for E500 double.
 116         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 117         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 118         && !TARGET_FPRS).
 119
 120 2007-05-01  Richard Guenther  <rguenther@suse.de>
 121
 122         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 123         is NULL.
 124
 125 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 126
 127         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 128
 129 2007-05-01  Jan Hubicka  <jh@suse.cz>
 130
 131         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 132         invariant.
 133
 134 2007-05-01  Jan Hubicka  <jh@suse.cz>
 135
 136         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 137         (maybe_fold_offset_to_reference): Declare.
 138         * fold-const.c (fold_unary): Do not fold
 139         (type *)&A into &A->field_of_type_and_offset_0
 140         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 141         size is unknown, give up.
 142         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 143         offsets.
 144         (maybe_fold_offset_to_reference): New.
 145         (maybe_fold_stmt_indirect): Use it.
 146         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 147         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 148         field references.
 149         (gimplify_expr): Likewise for plus_expr.
 150
 151 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 152
 153         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 154         bsi_after_labels.  Always insert statements before bsi.
 155         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 156         * predict.c (apply_return_prediction): Check for empty blocks.
 157         * cfgexpand.c (lab_rtx_for_bb): New variable.
 158         (label_rtx_for_bb): Do not create new tree labels.
 159         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 160         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 161         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 162         creating edges.
 163         (label_for_bb): Add field used.
 164         (update_eh_label, main_block_label): Mark the label used.
 165         (cleanup_dead_labels): Remove unused labels.
 166
 167 2007-05-01  Richard Guenther  <rguenther@suse.de>
 168
 169         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 170         if it is not about to be set.
 171         (get_value_range): Do not pre-allocate equiv bitmap.
 172         (update_value_range): No need to clear equiv field.
 173         (add_equivalence): Change prototype to get bitmap pointer.
 174         Allocate bitmap here if it is not already.
 175         (extract_range_from_assert): Do not allocate bitmap here.
 176         Update callers to add_equivalence.
 177         (extract_range_from_ssa_name): Likewise.
 178         (get_vr_for_comparison): New static helper.
 179         (compare_name_with_value): Handle NULL equiv bitmap by
 180         peeling the first iteration of the comparison loop.
 181         Use get_vr_for_comparison.
 182         (compare_names): Handle NULL equiv bitmaps by using fake
 183         ones.  Use get_vr_for_comparison.
 184
 185 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 186
 187         * double-int.c (mpz_set_double_int): Moved from
 188         tree-ssa-loop-niter.c.
 189         (mpz_get_double_int): Likewise; also, add option to wrap
 190         out-of-range integers.
 191         * double-int.h: New prototypes for above.
 192         * tree.c (get_static_type_bounds): Moved from
 193         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 194         TYPE_MAX_VALUE if they exist..
 195         * tree.h: New prototype for above.
 196         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 197         get_type_bounds calls.
 198         (mpz_set_double_int): Move to double-int.c.
 199         (get_type_bounds): Move to tree.c, rename to
 200         get_static_type_bounds.
 201         (mpz_to_double_int): Move to double-int.c, rename to
 202         mpz_get_double_int.
 203
 204 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
 205
 206         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
 207         DIV0 exception can fall through to a normal return.
 208
 209 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
 210
 211         PR middle-end/22156
 212         Temporarily revert:
 213         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 214         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 215         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 216         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 217         initialize align to silence bogus warning.
 218         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 219         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 220         all_no_warning.
 221         (struct sra_walk_fns): Remove use_all parameter from use.
 222         (sra_hash_tree): Handle BIT_FIELD_REFs.
 223         (sra_elt_hash): Don't hash bitfld blocks.
 224         (sra_elt_eq): Skip them in parent compares as well.  Handle
 225         BIT_FIELD_REFs.
 226         (sra_walk_expr): Don't maintain or pass down use_all_p.
 227         (scan_use): Remove use_all parameter.
 228         (scalarize_use): Likewise.  Re-expand assignment to
 229         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 230         output, and re-scalarize after output.  Don't mark anything
 231         for no warning.
 232         (scalarize_ldst): Adjust.
 233         (scalarize_walk_gimple_modify_statement): Likewise.
 234         (build_element_name_1): Handle BIT_FIELD_REFs.
 235         (instantiate_element): Don't warn for any element whose parent
 236         is used as a whole.
 237         (instantiate_missing_elements_1): Return the sra_elt.
 238         (canon_type_for_field): New.
 239         (try_instantiate_multiple_fields): New.
 240         (instantiate_missing_elemnts): Use them.
 241         (mark_no_warning): Removed.
 242         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 243         (REPLDUP, sra_build_elt_assignment): New.
 244         (generate_copy_inout): Use them.
 245         (generate_element_copy): Likewise.  Handle bitfld differences.
 246         (generate_element_zero): Don't recurse for blocks.  Use
 247         sra_build_elt_assignment.
 248         (generate_one_element_int): Take elt instead of var.  Use
 249         sra_build_elt_assignment.
 250         (generate_element_init_1): Adjust.
 251         (scalarize_use, scalarize_copy): Use REPLDUP.
 252         (scalarize_ldst): Move assert before dereference.
 253         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 254
 255 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 256
 257         PR C++/31721
 258         * tree.c (reconstruct_complex_type): Reconstruct a reference
 259         correctly.
 260         Also use the same mode for the pointer as the old pointer type.
 261
 262 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 263
 264         * doc/trouble.texi (Interoperation): Remove note about Ultrix
 265         Fortran compiler.
 266
 267 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
 268
 269         PR rtl-optimization/31676
 270         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
 271         (df_refs_record): Call it.
 272
 273 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 274
 275         * rtl.def (SS_ABS): New code.
 276         * config/bfin/bfin.c (print_operand): New modifier 'v'.
 277         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
 278         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
 279         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
 280         (bfin_init_builtins): Define them.
 281         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
 282         (bfin_expand_builtin): ... and handle the others here.
 283         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
 284         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
 285         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
 286         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
 287         operand is only HImode.
 288
 289 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
 290
 291         * regclass.c (scan_one_insn): Remove splitting of
 292         two address insns.
 293
 294 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
 295             Nigel Stephens  <nigel@mips.com>
 296
 297         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
 298
 299 2007-04-28  Jan Hubicka  <jh@suse.cz>
 300
 301         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
 302         insn_locators_alloc instead of insn_locators_initialize;
 303         call reset_block_changes.
 304         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 305         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
 306         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
 307         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
 308         * config/score/score.c (th_output_mi_thunk): Likewise.
 309         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
 310         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
 311         tolerate uninitialized locator info.
 312
 313         Re-apply:
 314         * function.c (init_function_start): Don't init line number info.
 315         (expand_function_end): Update.
 316         (reset_block_changes, record_block_change, finalize_block_changes,
 317         check_block_change, free_block_changes): Kill.
 318         * function.h (reset_block_changes, record_block_change,
 319         finalize_block_changes, check_block_change, free_block_changes): Remove
 320         prototypes.
 321         (struct function): Remove ib_boundaries_block.
 322         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 323         Use curr_insn_locator to initialize locator.
 324         (emit_line_note): Remove.
 325         * cfgexpand.c (expand_gimple_cond_expr): Update.
 326         (construct_exit_block): Likewise.
 327         (tree_expand_cfg): Initialize/finalize locators.
 328         * expr.c (expand_expr_real): Update.
 329         * cfglayout.c (line_locators_locs, line_locators_lines,
 330         file_locators_locs, file_locators_files): Remove.
 331         (set_block_levels): Move to cfgexpand.c.
 332         (insn_locators_initialize): Remove.
 333         (pass_insn_locators_initialize): Remove.
 334         (locations_locators_locs, locations_locators_vals): New static vars.
 335         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 336         Likewise.
 337         (insn_locators_alloc, insn_locators_finalize,
 338         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 339         New functions.
 340         (locator_location): New.
 341         (locator_line, locator_file): Rewrite.
 342         * rtl.h (emit_line_note): Kill.
 343         (insn_locators_alloc, insn_locators_finalize,
 344         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 345         Declare.
 346         * tree-inline.c (initialize_cfun): Do not initialize
 347         ib_boundaries_block.
 348         * passes.c (pass_insn_locators_initialize): Remove.
 349
 350 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
 351
 352         * tree-cfg.c (move_block_to_fn): Release bb from dominance
 353         info.  Update last_basic_block correctly.
 354
 355 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
 356
 357         PR target/31701
 358         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
 359         register itself to hold the offset constant.  Tell flow the use
 360         of r4 and r5 when they are used.
 361
 362 2007-04-27  Richard Guenther  <rguenther@suse.de>
 363
 364         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
 365         if we simplified anything.
 366         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
 367         warnings until we did a simplification and the stmt was not
 368         marked as TREE_NO_WARNING.
 369
 370 2007-04-27  Mike Stump  <mrs@apple.com>
 371
 372         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
 373
 374 2007-04-27  Ian Lance Taylor  <iant@google.com>
 375
 376         PR middle-end/31710
 377         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
 378         TYPE_MAX_VALUE exist, convert them to the new type.
 379
 380 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 381
 382         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
 383         if it claims to be available.
 384         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
 385         edge is redirected.
 386         (perform_tree_ssa_dce): Always free postdominators.
 387
 388 2007-04-27  Richard Henderson  <rth@redhat.com>
 389
 390         * config/alpha/predicates.md (aligned_memory_operand): Mark
 391         as define_special_predicate.
 392         (unaligned_memory_operand, normal_memory_operand): Likewise.
 393         (reg_or_unaligned_mem_operand): Remove.
 394         (any_memory_operand): Match the documentation and check for
 395         non-renumbered pseudos during reload.
 396         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
 397         alpha_secondary_reload_class, update to new interface, make static.
 398         Handle CQImode like HImode.  Remove FP subreg check.
 399         (alpha_expand_mov): Use replace_equiv_address.
 400         (alpha_expand_mov_nobwx): Use any_memory_operand.
 401         (TARGET_SECONDARY_RELOAD): New.
 402         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
 403         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 404         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
 405         * config/alpha/alpha.md: ... here.
 406         (RELOAD12, reloadmode): New.
 407         (movcqi): New.
 408         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
 409         Don't handle the aligned case here.
 410         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
 411         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
 412         reload_inhi_help.  Don't expect a scratch register.
 413         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
 414         reload_outhi_help.
 415         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
 416
 417 2007-04-27  Richard Guenther  <rguenther@suse.de>
 418
 419         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
 420
 421 2007-04-27  Richard Guenther  <rguenther@suse.de>
 422
 423         PR tree-optimization/30965
 424         PR tree-optimization/30978
 425         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
 426         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
 427         (find_equivalent_equality_comparison): Likewise.
 428         (simplify_cond): Likewise.
 429         (get_prop_source_stmt): New helper.
 430         (get_prop_dest_stmt): Likewise.
 431         (can_propagate_from): Likewise.
 432         (remove_prop_source_from_use): Likewise.
 433         (combine_cond_expr_cond): Likewise.
 434         (forward_propagate_comparison): New function.
 435         (forward_propagate_into_cond): Rewrite to use fold for
 436         tree combining.
 437         (tree_ssa_forward_propagate_single_use_vars): Call
 438         forward_propagate_comparison to propagate comparisons.
 439
 440 2007-04-27  Richard Guenther  <rguenther@suse.de>
 441
 442         PR tree-optimization/31715
 443         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
 444         sure to do computation on the offset in an appropriate
 445         signed type.
 446
 447 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
 448
 449         * reload.h (elimination_target_reg_p): Declare.
 450         * reload.c (find_reloads): Don't apply the reg_rtx move
 451         optimization if the SET_DEST satisfies elimination_target_reg_p.
 452         * reload1.c (elimination_target_reg_p): New function.
 453         (gen_reload): In the move/add2 fallback, make sure that op0
 454         does not overlap the destination register.
 455
 456 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 457
 458         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
 459         transform only GIMPLE_MODIFY_STMTs.
 460         * tree-complex.c (expand_complex_operations_1): Ditto.
 461         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
 462         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
 463         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
 464         branches.
 465         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
 466         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
 467         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
 468         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
 469         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
 470         slpeel_add_loop_guard): Ditto.
 471         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 472         * lambda-code.c (perfect_nestify): Ditto.
 473         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
 474         before the first statement.
 475         * tree-optimize.c (execute_free_datastructures): Fix comments.
 476         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
 477         * tree-flow.h (disband_implicit_edges): Declaration removed.
 478         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
 479         branches.
 480         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
 481         without gotos.
 482         (disband_implicit_edges, has_label_p): Removed.
 483         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
 484         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
 485         branches.
 486         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
 487         side effects.
 488         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
 489         also for COND_EXPRs.
 490         * cfgexpand.c (label_rtx_for_bb): New function.
 491         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
 492         Use label_rtx_for_bb to find the labels.
 493         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
 494         last block.  Detect fallthru edges.
 495
 496 2007-04-26  Ian Lance Taylor  <iant@google.com>
 497
 498         PR target/28675
 499         * reload.c (find_reloads_subreg_address): If the address was valid
 500         in the original mode but not in the new mode, reload the whole
 501         address.
 502
 503 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
 504
 505         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
 506         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
 507         (cleanup_control_expr_graph): Do not invalidate dominance info.
 508         Record altered blocks.
 509         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
 510         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
 511         cleanup_tree_cfg_bb): New functions.
 512         (remove_forwarder_block): Do not maintain the worklist of blocks.
 513         Record altered blocks.
 514         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
 515         not over whole cfg.
 516         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
 517         delete_unreachable_blocks if dominators are not available.
 518         * tree-inline.c (optimize_inline_calls): Free dominance information
 519         earlier.
 520         * tree-flow.h (remove_edge_and_dominated_blocks,
 521         cfgcleanup_altered_bbs): Altered.
 522         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
 523         blocks.
 524         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
 525         functions.
 526         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
 527         do not invalidate dominators.
 528
 529 2007-04-26  Anatoly Sokolov <aesok@post.ru>
 530
 531         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
 532         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
 533         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
 534         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
 535
 536 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
 537
 538         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
 539
 540 2007-04-26  Richard Guenther  <rguenther@suse.de>
 541
 542         PR tree-optimization/31703
 543         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
 544         the right type for the target of the bittest.
 545
 546 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 547
 548         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
 549         ix86_sol10_return_in_memory.
 550
 551 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 552
 553         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
 554         variables.
 555
 556 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
 557
 558         PR c++/31598
 559         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
 560
 561         PR tree-optimization/30558
 562         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
 563         clear this_state.prev_try.
 564
 565 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 566             Mark Mitchell  <mark@codesourcery.com>
 567
 568         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
 569         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
 570         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
 571
 572 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
 573
 574         PR driver/31107
 575         * doc/invoke.texi (%:print-asm-header): Document.
 576         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
 577         and -ftarget-help.
 578         (static_spec_functions): Add print-asm-header.
 579         (main): Print a banner before the --target-help linker options.
 580         (print_asm_header_spec_function): New function.
 581
 582 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 583
 584         PR target/31403
 585         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
 586         (movsf_ie): Likewise.
 587
 588 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
 589
 590         * doc/extend.texi ([Type Traits]): Adjust per N2255.
 591
 592 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
 593
 594         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
 595         for divide-by-zero.
 596         (__umodsi3, __modsi3): Likewise.
 597
 598 2007-04-25  Dirk Mueller  <dmueller@suse.de>
 599
 600         * c-typeck.c (build_compound_expr): Annotate warning()
 601         call with OPT_Wunused_value.
 602         * tree-ssa.c (warn_uninit): Annotate warning with
 603         OPT_Wunintialized.
 604         * c-common.c (handle_sentinel_attribute): Annotate warning
 605         call with OPT_Wattributes.
 606
 607 2007-04-25  Thiemo Seufer  <ths@mips.com>
 608
 609         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
 610         (mips16): Fix typo.
 611         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
 612         on to the assembler.  Improve handling of -mno-mips16.  Add handling
 613         of -mno-mips3d, -mno-dsp, -mno-dspr2.
 614         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
 615         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
 616         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
 617
 618 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
 619
 620         PR target/31680
 621         * config/i386/winnt.c (i386_pe_file_end): Strip only
 622         USER_LABEL_PREFIX when writing export name.
 623
 624 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
 625
 626         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
 627         sh/elf.h, vx-common.h and vxworks.h.
 628         * config/sh/sh.h: Include config/vxworks-dummy.h.
 629         (SUBTARGET_OVERRIDE_OPTIONS): Define.
 630         (OVERRIDE_OPTIONS): Use it.
 631         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
 632         (vxworks_picreg): New pattern.
 633         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
 634         VXWORKS_OS_CPP_BUILTINS.
 635         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
 636         to their VXWORKS_* equivalents.
 637         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
 638         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
 639         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
 640         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
 641         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
 642         -mrtp/-fPIC multilibs.
 643         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
 644         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
 645         (MULTILIB_OSDIRNAMES): Delete.
 646
 647 2007-04-25  Anatoly Sokolov <aesok@post.ru>
 648
 649         PR target/18989
 650         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
 651
 652 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
 653
 654         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
 655         rounding mode to be specified by the caller.
 656         (real_to_mpfr) Likewise.
 657         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
 658         include new arguments.
 659         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
 660
 661 2007-04-24  Ian Lance Taylor  <iant@google.com>
 662
 663         PR tree-optimization/31605
 664         * tree-vrp.c (set_value_range): Check that min and max are not
 665         both overflow infinities.
 666         (set_value_range_to_value): New static function.
 667         (extract_range_from_binary_expr): Call set_value_range_to_value.
 668         (extract_range_from_cond_expr): Likewise.
 669         (extract_range_from_expr): Likewise.
 670         (extract_range_from_unary_expr): Likewise.  Don't create a range
 671         which overflows on both sides.
 672         (vrp_meet): Check for a useless range.
 673         (vrp_visit_phi_node): If we see a constant which looks like an
 674         overflow infinity, turn off the TREE_OVERFLOW flag.
 675
 676 2007-04-24  Ian Lance Taylor  <iant@google.com>
 677
 678         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
 679
 680 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
 681
 682         PR diagnostic/25923
 683         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
 684         diagnostic message is being built.
 685         * tree-pretty-print.c (dump_generic_node): Only write the
 686         formatted text into BUFFER's stream if we are not building a
 687         diagnostic message.
 688         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
 689         dump_generic_node.
 690         * Makefile.in (toplev.o): Depend on tree-pass.h.
 691
 692 2007-04-24  Ian Lance Taylor  <iant@google.com>
 693
 694         PR tree-optimization/31602
 695         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
 696         conditionals in the copied loop header.
 697         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
 698         warnings if TREE_NO_WARNING is set.
 699         * doc/invoke.texi (Warning Options): Clarify that
 700         -Wstrict-overflow does not warn about loops.
 701
 702 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
 703
 704         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
 705         expand on the comment about _Decimal128 arguments and check the
 706         integer result of the modulus operation; for 64-bit ELF ABI, ensure
 707         that _Decimal128 argument uses even/odd register pair.
 708         (function_arg): Ditto.
 709
 710 2007-04-24  Hui-May Chang <hm.chang@apple.com>
 711
 712         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
 713         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
 714
 715 2007-04-24  Richard Guenther  <rguenther@suse.de>
 716             Olga Golovanevsky  <olga@il.ibm.com>
 717
 718         * fold-const.c (multiple_of_p): Check for bottom
 719         to be zero.
 720
 721 2007-04-24  Richard Henderson  <rth@redhat.com>
 722
 723         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
 724         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
 725         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
 726         looking for non-zero bits shifted out.  Avoid a recursive call
 727         when constructing the scalar.
 728         (__floatundisf): Likewise.
 729
 730 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
 731
 732         * dwarf2out.c (field_byte_offset): Move the existing logic
 733         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
 734         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
 735
 736 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 737
 738         PR target/31641
 739         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
 740         argument of 0 for memset.
 741         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
 742         unsigned shift instead of the signed variant.
 743
 744 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
 745
 746         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
 747         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
 748         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
 749         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
 750         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
 751         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
 752         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
 753         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
 754         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
 755         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
 756         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
 757         "mul<mode>3", "div<mode>3"): Insn definitions added.
 758         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
 759         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
 760         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
 761         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
 762         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
 763         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
 764         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
 765         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
 766         TARGET_FLOAT_FORMAT): Macro definitions removed.
 767         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
 768         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
 769         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
 770         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
 771         (s390_gen_rtx_const_DI): Function removed.
 772         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
 773
 774 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
 775
 776         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
 777         over an external ffs function.
 778
 779 2007-04-24  Chao-ying Fu  <fu@mips.com>
 780             Richard Sandiford  <richard@nildram.co.uk>
 781
 782         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
 783         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
 784         (smadd_widen_optab, umadd_widen_optab): Define.
 785         * optabs.c (init_optabs): Initialize smadd_widen_optab and
 786         umadd_widen_optab.
 787         * genopinit.c (optabs): Fill in smadd_widen_optab and
 788         umadd_widen_optab.
 789         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
 790         and umadd_widen_optab to implement multiply-add sequences.
 791         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
 792         (<u>maddsidi4): ...this.  Extend condition to include
 793         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 794         of operand 0 to "ka" and use the three-operand form of madd<u>
 795         for TARGET_DSPR2.
 796         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
 797         to define_expands.
 798         * config/mips/constraints.md (ka): New register constraint.
 799
 800 2007-04-24  Jan Hubicka  <j@suse.cz>
 801
 802         Revert:
 803
 804         2007-04-23  Jan Hubicka  <jh@suse.cz>
 805         * function.c (init_function_start): Don't init line number info.
 806         (expand_function_end): Update.
 807         (reset_block_changes, record_block_change, finalize_block_changes,
 808         check_block_change, free_block_changes): Kill.
 809         * function.h (reset_block_changes, record_block_change,
 810         finalize_block_changes, check_block_change, free_block_changes): Remove
 811         prototypes.
 812         (struct function): Remove ib_boundaries_block.
 813         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
 814         Use curr_insn_locator to initialize locator.
 815         (emit_line_note): Remove.
 816         * cfgexpand.c (expand_gimple_cond_expr): Update.
 817         (construct_exit_block): Likewise.
 818         (tree_expand_cfg): Initialize/finalize locators.
 819         * expr.c (expand_expr_real): Update.
 820         * cfglayout.c (line_locators_locs, line_locators_lines,
 821         file_locators_locs, file_locators_files): Remove.
 822         (set_block_levels): Move to cfgexpand.c.
 823         (insn_locators_initialize): Remove.
 824         (pass_insn_locators_initialize): Remove.
 825         (locations_locators_locs, locations_locators_vals): New static vars.
 826         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
 827         Likewise.
 828         (insn_locators_alloc, insn_locators_finalize,
 829         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 830         New functions.
 831         (locator_location): New.
 832         (locator_line, locator_file): Rewrite.
 833         * rtl.h (emit_line_note): Kill.
 834         (insn_locators_alloc, insn_locators_finalize,
 835         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
 836         Declare.
 837         * tree-inline.c (initialize_cfun): Do not initialize
 838         ib_boundaries_block.
 839         * passes.c (pass_insn_locators_initialize): Remove.
 840
 841 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
 842
 843         * doc/invoke.texi: Removed leading '-' from option index entries.
 844
 845 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 846
 847         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
 848         Use phi_nodes_ptr.
 849         (create_phi_node): Use set_phi_nodes.
 850         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
 851         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
 852         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
 853         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
 854         (bsi_start, bsi_last): Use bb_stmt_list.
 855         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
 856         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
 857         Traverse the statements using tsi iterator.
 858         * basic-block.h (struct basic_block_def): Fields stmt_list
 859         and phi_nodes moved to ...
 860         (struct tree_bb_info): ... new structure.
 861         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
 862         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
 863         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
 864         (tree_verify_flow_info): Verify that il.tree is not set for
 865         entry and exit block.
 866         (tree_split_block): Use set_bb_stmt_list.
 867
 868 2007-04-23  Mike Stump  <mrs@apple.com>
 869
 870         * config/i386/i386.c (ix86_tune_features
 871         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
 872         nocona and core2.
 873
 874 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         * config/i386/i386.md (prefix_extra): New attribute.
 877         (length): Add prefix_extra.
 878
 879         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
 880         (sse2_movntv2di): Likewise.
 881         (sse2_cvtps2dq): Likewise.
 882         (sse2_cvtpd2pi): Likewise.
 883         (sse2_cvttpd2pi): Likewise.
 884         (*sse2_cvtpd2ps): Likewise.
 885         (*add<mode>3): Likewise.
 886         (sse2_ssadd<mode>3): Likewise.
 887         (sse2_usadd<mode>3): Likewise.
 888         (*sub<mode>3): Likewise.
 889         (sse2_sssub<mode>3): Likewise.
 890         (sse2_ussub<mode>3): Likewise.
 891         (*mulv8hi3): Likewise.
 892         (*smulv8hi3_highpart): Likewise.
 893         (*umulv8hi3_highpart): Likewise.
 894         (sse2_umulv2siv2di3): Likewise.
 895         (sse2_pmaddwd): Likewise.
 896         (ashr<mode>3): Likewise.
 897         (lshr<mode>3): Likewise.
 898         (ashl<mode>3): Likewise.
 899         (sse2_ashlti3): Likewise.
 900         (sse2_lshrti3): Likewise.
 901         (*umaxv16qi3): Likewise.
 902         (*smaxv8hi3): Likewise.
 903         (*uminv16qi3): Likewise.
 904         (*sminv8hi3): Likewise.
 905         (sse2_eq<mode>3): Likewise.
 906         (sse2_gt<mode>3): Likewise.
 907         (*and<mode>3): Likewise.
 908         (sse2_nand<mode>3): Likewise.
 909         (*ior<mode>3): Likewise.
 910         (*xor<mode>3): Likewise.
 911         (sse2_packsswb): Likewise.
 912         (sse2_packssdw): Likewise.
 913         (sse2_packuswb): Likewise.
 914         (sse2_punpckhbw): Likewise.
 915         (sse2_punpcklbw): Likewise.
 916         (sse2_punpckhwd): Likewise.
 917         (sse2_punpcklwd): Likewise.
 918         (sse2_punpckhdq): Likewise.
 919         (sse2_punpckldq): Likewise.
 920         (sse2_punpckhqdq): Likewise.
 921         (sse2_punpcklqdq): Likewise.
 922         (*sse2_pinsrw): Likewise.
 923         (*sse2_pextrw): Likewise.
 924         (sse2_pshufd_1): Likewise.
 925         (sse2_uavgv16qi3): Likewise.
 926         (sse2_uavgv8hi3): Likewise.
 927         (sse2_psadbw): Likewise.
 928         (sse2_pmovmskb): Likewise.
 929         (*sse2_maskmovdqu): Likewise.
 930         (*sse2_maskmovdqu_rex64): Likewise.
 931         (sse4a_extrqi): Likewise.
 932         (sse4a_extrq): Likewise.
 933         (sse3_lddqu): Set prefix_rep.
 934         (sse3_addsubv4sf3): Likewise.
 935         (sse3_haddv4sf3): Likewise.
 936         (sse3_hsubv4sf3): Likewise.
 937         (sse_cvtss2si): Likewise.
 938         (sse_cvtss2si_2): Likewise.
 939         (sse_cvtss2siq): Likewise.
 940         (sse_cvtss2siq_2): Likewise.
 941         (sse_cvttss2si): Likewise.
 942         (sse_cvttss2siq): Likewise.
 943         (sse2_cvttps2dq): Likewise.
 944         (sse3_movshdup): Likewise.
 945         (sse3_movsldup): Likewise.
 946         (sse2_cvtsd2si): Likewise.
 947         (sse2_cvtsd2si_2): Likewise.
 948         (sse2_cvtsd2siq): Likewise.
 949         (sse2_cvtsd2siq_2): Likewise.
 950         (sse2_cvttsd2si): Likewise.
 951         (sse2_cvttsd2siq): Likewise.
 952         (*sse2_cvtpd2dq): Likewise.
 953         (*sse2_cvttpd2dq): Likewise.
 954         (sse2_pshuflw_1): Likewise.
 955         (sse2_pshufhw_1): Likewise.
 956         (sse4a_insertqi): Likewise.
 957         (sse4a_insertq): Likewise.
 958         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
 959         (ssse3_phadddv4si3): Likewise.
 960         (ssse3_phaddswv8hi3): Likewise.
 961         (ssse3_phsubwv8hi3): Likewise.
 962         (ssse3_phsubdv4si3): Likewise.
 963         (ssse3_phsubswv8hi3): Likewise.
 964         (ssse3_pmaddubswv8hi3): Likewise.
 965         (ssse3_pmulhrswv8hi3): Likewise.
 966         (ssse3_pshufbv16qi3): Likewise.
 967         (ssse3_psign<mode>3): Likewise.
 968         (ssse3_palignrti): Likewise.
 969         (abs<mode>2): Likewise.
 970         (ssse3_phaddwv4hi3): Set prefix_extra.
 971         (ssse3_phadddv2si3): Likewise.
 972         (ssse3_phaddswv4hi3): Likewise.
 973         (ssse3_phsubwv4hi3): Likewise.
 974         (ssse3_phsubdv2si3): Likewise.
 975         (ssse3_phsubswv4hi3): Likewise.
 976         (ssse3_pmaddubswv4hi3): Likewise.
 977         (ssse3_pmulhrswv4hi3): Likewise.
 978         (ssse3_pshufbv8qi3): Likewise.
 979         (ssse3_psign<mode>3): Likewise.
 980         (ssse3_palignrdi): Likewise.
 981         (abs<mode>2): Likewise.
 982         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
 983         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
 984         (sse2_pmovmskb): Set mode to SI instead of V2DF.
 985
 986 2007-04-23  Nick Clifton  <nickc@redhat.com>
 987
 988         * params.def: Fix formatting of emacs local variables.
 989
 990 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
 991
 992         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
 993         move if inter-unit move isn't allowed.
 994         Don't split moving the first element of V2DI to DI to inter-unit
 995         move if inter-unit move isn't allowed.
 996
 997 2007-04-23  Richard Guenther  <rguenther@suse.de>
 998
 999         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1000         and CDI_POST_DOMINATORS separately.
1001
1002 2007-04-23  Nick Clifton  <nickc@redhat.com>
1003
1004         * c.opt (Wformat-contains-nul): Add warning attribute.
1005
1006 2007-04-23  Jan Hubicka  <jh@suse.cz>
1007
1008         * function.c (init_function_start): Don't init line number info.
1009         (expand_function_end): Update.
1010         (reset_block_changes, record_block_change, finalize_block_changes,
1011         check_block_change, free_block_changes): Kill.
1012         * function.h (reset_block_changes, record_block_change,
1013         finalize_block_changes, check_block_change, free_block_changes): Remove
1014         prototypes.
1015         (struct function): Remove ib_boundaries_block.
1016         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1017         Use curr_insn_locator to initialize locator.
1018         (emit_line_note): Remove.
1019         * cfgexpand.c (expand_gimple_cond_expr): Update.
1020         (construct_exit_block): Likewise.
1021         (tree_expand_cfg): Initialize/finalize locators.
1022         * expr.c (expand_expr_real): Update.
1023         * cfglayout.c (line_locators_locs, line_locators_lines,
1024         file_locators_locs, file_locators_files): Remove.
1025         (set_block_levels): Move to cfgexpand.c.
1026         (insn_locators_initialize): Remove.
1027         (pass_insn_locators_initialize): Remove.
1028         (locations_locators_locs, locations_locators_vals): New static vars.
1029         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1030         Likewise.
1031         (insn_locators_alloc, insn_locators_finalize,
1032         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1033         New functions.
1034         (locator_location): New.
1035         (locator_line, locator_file): Rewrite.
1036         * rtl.h (emit_line_note): Kill.
1037         (insn_locators_alloc, insn_locators_finalize,
1038         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1039         Declare.
1040         * tree-inline.c (initialize_cfun): Do not initialize
1041         ib_boundaries_block.
1042         * passes.c (pass_insn_locators_initialize): Remove.
1043
1044 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1045
1046         PR middle-end/31448
1047         * expr.c (reduce_to_bit_field_precision): Handle
1048         CONST_INT rtx's.
1049
1050 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1051
1052         PR tree-optimization/24659
1053         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1054         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1055         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1056         * genopinit.c (optabs): Rename vec_pack_mod_optab
1057         to vec_pack_trunc_optab.
1058         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1059         early for scalar floating point operands for NOP_EXPR.
1060         (vectorizable_type_promotion): Ditto.
1061         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1062         vec_pack_trunc_optab.
1063         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1064
1065         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1066         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1067         Rename from VEC_PACK_MOD_EXPR.
1068         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1069         * expr.c (expand_expr_real_1): Ditto.
1070         * tree-inline.c (estimate_num_insns_1): Ditto.
1071         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1072
1073         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1074         (vec_unpacks_lo_v4sf): Ditto.
1075         (vec_pack_trunc_v2df): Ditto.
1076         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1077         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1078         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1079
1080         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1081         vec_pack_mod_v8hi.
1082         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1083
1084         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1085         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1086         packing of floating point operands.
1087         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1088         represent unpacking of floating point operands.
1089         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1090         [vec_unpacks_hi]: Ditto.
1091         [vec_unpacks_lo]: Ditto.
1092
1093 2007-04-22  Jan Hubicka  <jh@suse.cz>
1094
1095         * final.c (rest_of_handle_final): Call
1096         targetm.asm_out.constructor/targetm.asm_out.destructor
1097         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1098         proper priority via decl_*_priority_insert.
1099         * c-common.c (c_expand_body): Likewise.
1100
1101 2007-04-22  Richard Guenther  <rguenther@suse.de>
1102
1103         PR tree-optimization/29789
1104         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1105         (rewrite_reciprocal): New helper split out from
1106         determine_invariantness_stmt.
1107         (rewrite_bittest): Likewise.
1108         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1109         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1110         is not.
1111
1112 2007-04-22  Revital Eres  <eres@il.ibm.com>
1113
1114         * loop-unroll.c (var_to_expand): New field to support also
1115         insns of the form x = something + x.
1116         (analyze_insn_to_expand_var): Use it.
1117         (expand_var_during_unrolling): Likewise.
1118
1119 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1120
1121         * predict.c: Include pointer-set.h.
1122         (bb_predictions): New variable.
1123         (tree_predicted_by_p, tree_predict_edge,
1124         remove_predictions_associated_with_edge): Use bb_predictions map
1125         instead of bb->predictions.
1126         (clear_bb_predictions, assert_is_empty): New functions.
1127         (combine_predictions_for_bb): Use bb_predictions map.  Call
1128         clear_bb_predictions.
1129         (tree_estimate_probability): Create and free bb_predictions map.
1130         * Makefile.in (predict.o): Add pointer-set.h dependency.
1131         * basic-block.h (struct basic_block_def): Remove predictions
1132         field.
1133         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1134
1135 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1136
1137         PR target/31480
1138         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1139         is null.
1140
1141 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1142
1143         * timevar.c (timevar_print): Change reference of --disable-checking to
1144         --enable-checking=release.  Also warn if assert checking is disabled.
1145
1146 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1147
1148         PR C/30265
1149         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1150         decl as addressable if the compound literal was marked as
1151         addressable.
1152         Mark the decl as a gimple register if it is a complex or
1153         vector decl and does not live in memory.
1154
1155 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1156
1157         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1158         (GENERIC_NEXT): New function macro.
1159         (PHI_CHAIN): Use phi_node's new chain variable.
1160         (tree_phi_node): Change tree_common to tree_base
1161         and add the chain field.
1162         * tree-phinodes.c (make_phi_node): Don't set
1163         TREE_TYPE on the new node.
1164         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1165         instead of checking GIMPLE_TUPLE_P in chain_next.
1166         * tree-vect-transform.c
1167         (get_initial_def_for_induction): Look at
1168         PHI_RESULT_TREE for the type of the phi node.
1169         (update_vuses_to_preheader): Use PHI_CHAIN
1170         instead of TREE_CHAIN on the phi node.
1171         * tree-ssa-structalias.c (compute_points_to_sets):
1172         Likewise.
1173         (ipa_pta_execute): Likewise.
1174
1175 2007-04-21  Richard Guenther  <rguenther@suse.de>
1176
1177         PR middle-end/31136
1178         * fold-const.c (fold_unary): Call fold_convert_const on the
1179         original tree.
1180
1181 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1182
1183         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1184         (store_killed_in_pat): New.
1185
1186 2007-04-20  Richard Henderson  <rth@redhat.com>
1187
1188         PR target/31628
1189         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1190         TREE_LIST with a void_type_node value, not void_list_node exactly.
1191
1192 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1193
1194         * doc/standards.texi: Re-arrange into language-specific
1195         subsections. Add a C++ section, documenting which standards we
1196         support.
1197
1198 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1199
1200         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1201         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1202
1203 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1204
1205         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1206         ecrti.o and crtbegin.o.
1207         (LIB_DEFAULT_SPEC): Include -lc.
1208         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1209
1210 2007-04-20  Richard Henderson  <rth@redhat.com>
1211
1212         PR target/28623
1213         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1214         argument; update all callers.
1215         (get_unaligned_offset): New.
1216         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1217         get_unaligned_address, just pass on the address directly.
1218         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1219         the subreg in the helper patterns.
1220         (unaligned_extendqidi_le): Use get_unaligned_offset.
1221         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1222         (unaligned_extendhidi_be): Likewise.
1223         (unaligned_extendhidi): Tidy.
1224         * config/alpha/alpha-protos.h: Update.
1225
1226 2007-04-20  Richard Henderson  <rth@redhat.com>
1227
1228         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1229         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1230         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1231         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1232         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1233         (CPP_SPEC): Don't include %(cpp_subtarget).
1234         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1235         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1236         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1237
1238 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1239
1240         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1241         for __builtin_ia32_cmpordss.
1242
1243         PR tree-optimization/31632
1244         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1245         and arg1 for optimizations of comparison against min/max values.
1246         Fold arg0 to arg1's type for optimizations of comparison against
1247         min+1 and max-1 values.
1248
1249 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1250
1251         * reload.c (combine_reloads): When trying to use a dying register,
1252         check whether it's uninitialized and don't use if so.
1253
1254 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1255
1256         * fold-const.c: Remove prototypes for native_encode_expr and
1257         native_interpret_expr.
1258         (native_encode_expr): Make non-static.
1259         (native_interpret_expr): Likewise.
1260         * tree.h: Add prototypes for the above.
1261
1262 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1263
1264         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1265         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1266         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1267         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1268         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1269         Add length attributes.
1270
1271 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1272
1273         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1274         not that it is 1.
1275
1276         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1277         __STDC_WANT_DEC_FP__.
1278
1279 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1280
1281         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1282         for long double compatibility.
1283         * configure: Regenerate.
1284
1285 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1286
1287         PR rtl-optimization/29841
1288         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1289         trap instructions.
1290         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1291         that may cause control flow transfer from being moved.
1292
1293 2007-04-18  Jan Hubicka  <jh@suse.cz>
1294
1295         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1296         types.
1297
1298 2007-04-18  Eric Christopher  <echristo@apple.com>
1299
1300         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1301         only. Update operands.
1302         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1303         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1304         link register to pic register.
1305
1306 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1307
1308         PR diagnostic/31227
1309         * tree-vrp.c (search_for_addr_array): New.
1310         (check_array_bounds): Suppress warning about
1311         address taken of array refs if its not de-referenced.
1312
1313 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1314
1315         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1316         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1317
1318         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1319         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1320         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1321
1322         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1323         dump print.
1324         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1325         print message.
1326         (vect_analyze_scalar_cycles): Fix indentation.
1327         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1328         (vect_mark_relevant): Include phis in relevance analysis.
1329
1330         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1331
1332 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1333
1334         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1335         output_operand_lossage().
1336
1337 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1338
1339         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1340         the unused code for reduction without adjust-in-epilog to simplify the
1341         function.
1342
1343 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1344
1345         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1346         (S390_TDC_NEGATIVE_ZERO): New constant.
1347         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1348         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1349         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1350         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1351         (S390_TDC_POSITIVE_INFINITY): New constant.
1352         (S390_TDC_NEGATIVE_INFINITY): New constant.
1353         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1354         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1355         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1356         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1357         (S390_TDC_INFINITY): New constant.
1358         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1359         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1360         optimization for UNSPEC_CCZ_TO_INT.
1361         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1362         ("*ccz_to_int"): New insn.
1363         ("isinf<mode>2"): New insn.
1364         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1365         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1366         (UNSPEC_CCZ_TO_INT): New constant.
1367
1368 2007-04-18  Richard Guenther  <rguenther@suse.de>
1369
1370         PR tree-optimization/19431
1371         PR tree-optimization/21463
1372         * tree-pass.h (pass_phiprop): Declare.
1373         * passes.c (init_optimization_passes): New phiprop pass.
1374         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1375         (phivn_valid_p): New helper function.
1376         (phiprop_insert_phi): Likewise.
1377         (propagate_with_phi): Likewise.
1378         (tree_ssa_phiprop): New propagator propagating loads
1379         through phi nodes if profitable.
1380
1381 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1382
1383         * tree-vect-analyze.c (process_use): New function.
1384         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1385         Check phis in all bbs.
1386         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1387         assert.
1388
1389 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1390
1391         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1392         we use REG_EQUAL.
1393
1394 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1395
1396         PR target/30483
1397         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1398         error().
1399
1400 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1401
1402         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1403         on "0".
1404         (sse_vmmulv4sf3): Likewise.
1405         (sse2_vmaddv2df3): Likewise.
1406         (sse2_vmmulv2df3): Likewise.
1407
1408 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1409
1410         PR rtl-optimization/31360
1411         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1412         (target_reg_cost): New.
1413         (init_set_costs): Initialize target_reg_cost.  Add comments
1414         regarding the rationale of the costs.
1415         (global_cost_for_size): Renamed to...
1416         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1417         of register pressure.
1418         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1419         estimate_reg_pressure_cost.  Add number of ivs.
1420         (determine_set_costs): Dump target_reg_cost.
1421         * loop-invariant.c (gain_for_invariant):  Use
1422         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1423         (best_gain_for_invariant, find_invariants_to_move): Remove
1424         n_inv_uses.
1425         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1426         (target_reg_cost): Declare.
1427         (global_cost_for_size): Declaration removed.
1428         (estimate_reg_pressure_cost): Declare.
1429
1430 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1431
1432         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1433         regnos into even/odd register pairs.
1434         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1435         TDmode similar to the other floating point modes.
1436         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1437         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1438         define_expand's.
1439         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1440         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1441         (movdd_hardfloat64): Use TARGET_MFPGPR.
1442
1443 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1444
1445         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1446
1447         Revert
1448         2005-01-05  Richard Henderson  <rth@redhat.com>
1449         PR rtl-opt/10692
1450         * reload1.c (do_input_reload): Restrict the optimization deleteing
1451         a previous output reload to RELOAD_FOR_INPUT.
1452
1453 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1454
1455         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1456         induc_vec_info_type.
1457         (vectorizable_induction): New function declaration.
1458         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1459         check if already vectorized.  Find first place in BB where new stmts
1460         can be inserted.  Takes only one argument.
1461         (vectorizable_induction): New function.
1462         (vect_transform_stmt): Add case for induc_vec_info_type to call
1463         vectorizable_induction.
1464         (vect_transform_loop): Consider phis for vectorization.
1465         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1466         condition.
1467         (analyze_operations): Call vectorizable_induction when analyzing phis.
1468         Fix comment.
1469         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1470         (vect_mark_relevant): Include phis in relevance analysis.
1471         (vect_mark_stmts_to_be_vectorize): Likewise.
1472         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1473
1474 2007-04-16  Lawrence Crowl  <crowl@google.com>
1475
1476         * doc/invoke.texi (Debugging Options): Add documentation for the
1477         -femit-struct-debug options -femit-struct-debug-baseonly,
1478         -femit-struct-debug-reduced, and
1479         -femit-struct-debug-detailed[=...].
1480
1481         * c-opts.c (c_common_handle_option): Add
1482         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1483         and OPT_femit_struct_debug_detailed_.
1484         * c.opt: Add specifications for
1485         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1486         and -femit-struct-debug-detailed[=...].
1487         * opts.c (set_struct_debug_option): Parse the
1488         -femit-struct-debug-... options.
1489         * opts.c (matches_main_base, main_input_basename,
1490         main_input_baselength, base_of_path, matches_main_base): Add
1491         variables and functions to compare header base name to compilation
1492         unit base name.
1493         * opts.c (should_emit_struct_debug): Add to determine to emit a
1494         structure based on the option.
1495         (dump_struct_debug) Also disabled function to debug this
1496         function.
1497         * opts.c (handle_options): Save the base name of the
1498         compilation unit.
1499
1500         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1501         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1502         This hook indicates if a type is generic.  Set it by default
1503         to "never generic".
1504         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1505         to determine if a struct type is generic or not.
1506         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1507         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1508         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1509         with live C++ hook.
1510
1511         * flags.h (enum debug_info_usage): Add an enumeration to describe
1512         a program's use of a structure type.
1513         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1514         to indicate the program's usage of the type.  Filter structs based
1515         on the -femit-struct-debug-... specification.
1516         (gen_type_die): Split into two routines, gen_type_die and
1517         gen_type_die_with_usage.  gen_type_die is now a wrapper
1518         that assumes direct usage.
1519         (gen_type_die_with_usage): Replace calls to gen_type_die
1520         with gen_type_die_with_usage adding the program usage of
1521         the referenced type.
1522         (dwarf2out_imported_module_or_decl): Suppress struct debug
1523         information using should_emit_struct_debug when appropriate.
1524
1525 2007-04-16  Ian Lance Taylor  <iant@google.com>
1526
1527         PR tree-optimization/31522
1528         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1529         (vrp_initialize): Allocate vr_phi_edge_counts.
1530         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1531         executable edge.  Drop test for all constants.
1532         (vrp_finalize): Free vrp_phi_edge_counts.
1533
1534         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1535         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1536
1537         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1538         predecessors at head rather than tail.
1539
1540 2007-04-16  Matthias Klose  <doko@debian.org>
1541
1542         * config/alpha/linux.h (CPP_SPEC): Define.
1543         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1544
1545 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1546
1547         * function.h: Remove sequence_stack extern declaration.
1548
1549 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1550
1551         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1552         TARGET_FIDOA.
1553         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1554         defined.
1555
1556 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1557
1558         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1559         (enum avr_arch): Add.
1560         (avr_mcu_types): Use avr_arch enumeration constants instead of
1561         numbers.
1562         * config/avr/avr.h (LINK_SPEC): Simplify.
1563
1564 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1565
1566         * config/m68k/m68k.c (m68k_libcall_value,
1567         m68k_function_value): Use macros for register names more.
1568
1569         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1570         instead.
1571         (M68K_REGNAME): Use A6_REG.
1572         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1573
1574 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1575
1576         PR middle-end/28071
1577         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1578         'pending_read_list_length' and 'pending_write_list_length'.  Update
1579         comment.
1580         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1581         to handle two length counters instead of one.  Update all uses.
1582         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1583         two length counters instead of one.
1584         * sched-rgn.c (propagate_deps): Update to handle two length counters
1585         instead of one.
1586
1587 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1588
1589         PR target/31582
1590         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1591         copy of source, pass it to ix86_expand_vector_set and return
1592         it as target.
1593
1594 2007-04-16  David Ung  <davidu@mips.com>
1595             Joseph Myers  <joseph@codesourcery.com>
1596
1597         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1598         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1599         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1600         Add 74K processor information.
1601         * config/mips/mips.md: Include 74k.md.
1602         (cpu): Add 74kc,74kf,74kx.
1603         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1604         * config/mips/74k.md: New.
1605         * doc/invoke.texi (MIPS Options): Document 74K support.
1606
1607 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1608
1609         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1610         vectorizable_* functions.
1611         * tree-vect-transform.c (vectorizable_call): Add check for
1612         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1613         (vectorizable_store): likewise.
1614         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1615         Add comments.
1616         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1617         (vectorizable_type_promotion, vectorizable_load): Likewise.
1618         (vectorizable_live_operation, vectorizable_condition): Likewise.
1619         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1620         STMT_VINFO_LIVE_P.
1621         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1622
1623 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1624
1625         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1626         register numbers more.
1627         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1628         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1629         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1630         FUNCTION_VALUE_REGNO_P): Likewise.
1631         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1632         STATIC_CHAIN_REGNUM): Likewise.
1633         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1634         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1635         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1636         * config/m68k/m68k.md (FP_REG): New.
1637
1638 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1639
1640         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1641         alignment on fido.
1642
1643 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1644
1645         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1646         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1647         comment typos.
1648
1649 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1650
1651         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1652         cold loops.
1653
1654 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1655
1656         PR c/31520
1657         * c-decl.c (finish_decl): Grab the type of the decl after the call
1658         to store_init_value.
1659
1660 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1661
1662         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1663
1664 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1665
1666         PR c++/25874
1667         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1668         post dominators and cleanup cfg before returning.
1669
1670 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1671
1672         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1673         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1674
1675 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1676
1677         * config.gcc: Recognize fido.
1678         * config/m68k/m68k-devices.def (fidoa): New.
1679         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1680         __mfido__.
1681         (FL_FIDOA, TARGET_FIDOA): New.
1682         * config/m68k/m68k.opt (mfidoa): New.
1683
1684 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1685
1686         PR middle-end/31322
1687         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1688         when a personality function is used.
1689
1690 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1691
1692         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1693
1694 2007-04-13  Mike Stump  <mrs@apple.com>
1695
1696         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1697         we can...
1698         * config/darwin.opt (fapple-kext): Make C++ only.
1699         * config/darwin.c (darwin_override_options): Remove code to ensure
1700         -fapple-kext is given for C++ only.
1701
1702 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1703
1704         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1705         * config/mips/mips.c (override_options): Call
1706         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1707
1708 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1709
1710         * config/i386/i386.opt (msvr3-shlib): Removed.
1711
1712         * doc/invoke.texi: Remove -msvr3-shlib.
1713
1714 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1715
1716         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1717         with "popcnt" instruction.
1718
1719 2007-04-13  Richard Guenther  <rguenther@suse.de>
1720
1721         PR tree-optimization/21258
1722         * tree-vrp.c (compare_case_labels): New helper.
1723         (find_switch_asserts): New function.
1724         (find_assert_locations): Call it for SWITCH_EXPRs.
1725
1726 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1727
1728         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1729         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1730         check is now implied in X87_FLOAT_MODE_P.
1731         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1732         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1733         (fix_trunc<mode>_i386_fisttp): Ditto.
1734         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1735         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1736         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1737         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1738         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1739         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1740         (unnamed_splitters): Ditto.
1741         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1742         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1743         FIRST_SSE_REG for local functions when SSE math is enabled or
1744         for functions with sseregparm attribute.
1745         (standard_80387_constant_p): Return -1 if mode is not
1746         X87_FLOAT_MODE_P.
1747         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1748         (ix86_expand_compare): Ditto.
1749         (ix86_expand_carry_flag_compare): Ditto.
1750         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1751         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1752         DECIMAL_FLOAT_MODE_P.
1753         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1754         of SCALAR_FLOAT_MODE_P.
1755         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1756         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1757         checks before FLOAT_MODE_P.
1758         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1759         before FLOAT_MODE_P.
1760         [DIV]: Ditto.
1761         [NEG]: Ditto.
1762         [ABS]: Ditto.
1763         [SQRT]: Ditto.
1764         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1765
1766 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1767             Charles Wilson  <libtool@cwilson.fastmail.fm>
1768
1769         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1770         (libgcc.mvars): Don't depend on them.
1771         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1772         * exec-tool.in: New.
1773
1774 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1775
1776         * doc/invoke.text (--help): Document --help=common.
1777
1778 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1779
1780         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1781
1782 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1783
1784         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1785         * genemit.c (main): Emit #include "integrate.h".
1786         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1787         (LOADGP_RTP): New mips_loadgp_style.
1788         * config/mips/mips.h: Include config/vxworks-dummy.h.
1789         (TARGET_RTP_PIC): New macro.
1790         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1791         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1792         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1793         for TARGET_RTP_PIC.
1794         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1795         -mvxworks-pic when using -mrtp and a PIC option.
1796         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1797         for RTP PIC.
1798         (mips_symbolic_constant_p, mips_symbolic_address_p)
1799         (mips_symbol_insns): Handle SYMBOL_HALF.
1800         (override_options): Warn about -G and -mrtp being used together.
1801         Initialize mips_lo_relocs[SYMBOL_HALF].
1802         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1803         (mips_emit_loadgp): Handle LOADGP_RTP.
1804         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1805         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1806         (tablejump): Handle function-relative case table entries if
1807         TARGET_RTP_PIC.
1808         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1809
1810 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1811
1812         * config/mips/mips.md (load_call<mode>): Allow any general register.
1813         destination.
1814         (sibcall_value_internal, sibcall_value_multiple_internal)
1815         (call_value_internal, call_value_split, call_value_multiple_internal)
1816         (call_value_multiple_split): Remove constraints from operand 0.
1817
1818 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1819
1820         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1821         rather than loadgp_noshared.
1822         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1823         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1824         gen_loadgp.
1825         * config/mips/mips.md (loadgp): Rename to...
1826         (loadgp_newabi): ...this.
1827         (loadgp_noshared): Rename to...
1828         (loadgp_absolute): ...this.
1829
1830 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1831
1832         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1833         false for locally-binding symbols.
1834         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1835
1836 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1837
1838         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1839         (SYMBOL_GOT_PAGE_OFST): ...this.
1840         (SYMBOL_GOT_GLOBAL): Rename to...
1841         (SYMBOL_GOT_DISP): ...this.
1842         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1843         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1844         * config/mips/mips.c (mips_global_symbol_p): New function.
1845         (mips_symbol_binds_local_p): Likewise.
1846         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1847         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1848         and mips_symbol_binds_local_p.
1849         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1850         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1851         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1852         SYMBOL_GOTOFF_DISP.
1853         (mips_ok_for_lazy_binding_p): New function.
1854         (mips_load_call_address, mips_expand_call): Use it.
1855         (mips_dangerous_for_la25_p): Likewise.
1856         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1857         (*got_disp<mode>): Use got_disp_operand instead of
1858         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1859         SYMBOL_GOTOFF_GLOBAL.
1860         (*got_page<mode>): Use got_page_ofst_operand instead of
1861         local_got_operand.
1862         * config/mips/predicates.md (const_call_insn_operand): Use
1863         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1864         (global_got_operand): Rename to...
1865         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1866         SYMBOL_GOT_GLOBAL.
1867         (local_got_operand): Rename to...
1868         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1869         of SYMBOL_GOT_LOCAL.
1870
1871 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1872
1873         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1874         TARGET_CALL_CLOBBERED_GP.
1875         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1876         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1877         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1878         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1879         of TARGET_ABICALLS && !TARGET_NEWABI.
1880         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1881         * config/mips/mips.c (mips_load_call_address): Check
1882         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1883         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1884         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1885         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1886         TARGET_ABICALLS && TARGET_NEWABI.
1887         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1888         TARGET_ABICALLS.
1889         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1890         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1891         TARGET_ABICALLS && TARGET_NEWABI.
1892         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1893         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1894         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1895         whether indirect calls must use $25.
1896         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1897         TARGET_ABICALLS.
1898         * config/mips/mips.md (jal_macro): Check flag_pic and
1899         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1900         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1901         instead of TARGET_ABICALLS.
1902         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1903         TARGET_ABICALLS && TARGET_OLDABI.
1904         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1905         (sibcall): In the comment above the define_insn, mention
1906         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1907         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1908         instead of TARGET_ABICALLS.
1909
1910 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1911
1912         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1913         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1914         (MACFLAGS_MATCH_P): New macro.
1915         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1916         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1917         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1918         the other MACFLAG constants.
1919         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1920         (flag_machi): Tighten constraints.  Renumber some of the operands.
1921         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1922         output template.
1923         (flag_machi_parts_acconly): New pattern.
1924         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1925         used.
1926         (flag_macinit1hi): Tighten constraints.
1927         (flag_mul_macv2hi_parts_acconly): New pattern.
1928
1929         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1930         Use a more efficient implementation.
1931         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1932         inline sequences when not optimizing for size.
1933
1934         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1935         movhi_high2low): Delete, merge functionality into...
1936         (packv2hi): ... this pattern.
1937
1938         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1939         * config/bfin/bfin.opt (msim): New option.
1940         (mcpu=): New option.
1941         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1942         (bfin_cpu_t): Typedef of enum bfin_cpu.
1943         (bfin_cpu_type): New declaration.
1944         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1945         -msim and -mcpu= options.
1946         (LIB_SPEC): Likewise.
1947         * config/bfin/bfin.c (bfin_cpu_type): Define.
1948         (bfin_handle_option): Handle -mcpu= option.
1949         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1950         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1951         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1952
1953 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1954
1955         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1956         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1957         (powerpc-wrs-vxworksae): Use ${tm_file}.
1958         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1959         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1960         * config/i386/vx-common.h: New file.
1961
1962 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1963
1964         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1965         of crt0.o%s.
1966
1967 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1968
1969         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1970         ldxtr.
1971
1972 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1973
1974         PR c++/31078
1975         PR c++/31103
1976         * c-common.c (c_build_qualified_type): Set canonical type
1977         appropriately.
1978
1979 2007-04-12  Richard Guenther  <rguenther@suse.de>
1980
1981         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1982         lower bound and element size if lower bound is not zero
1983         or either of the ARRAY_REF operands is set.
1984
1985 2007-04-12  Richard Guenther  <rguenther@suse.de>
1986
1987         PR tree-optimization/24689
1988         PR tree-optimization/31307
1989         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1990         indices by value.
1991         * gimplify.c (canonicalize_addr_expr): To be consistent with
1992         gimplify_compound_lval only set operands two and three of
1993         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1994         it never at this place.
1995         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1996
1997 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1998
1999         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2000         null before emitting a .nsubspa directive.
2001
2002 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2003
2004         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2005         need_to_partition_p if there are no memory statements in the
2006         function.
2007
2008 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2009
2010         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2011         (gcd_of_steps_may_divide_p): New function.
2012         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2013
2014 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2015
2016         * reload.c (find_reloads_toplev, find_reloads_address,
2017         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2018         not a pointer equality test, to decide if we need to call
2019         push_reg_equiv_alt_mem.
2020
2021 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2022
2023         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2024         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2025         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2026
2027 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2028
2029         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2030         vector to be positive.
2031
2032 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2033
2034         PR 30735
2035         PR 31090
2036         * doc/invoke.texi: Document --params max-aliased-vops and
2037         avg-aliased-vops.
2038         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2039         debug_memory_partitions): Move to tree-flow.h
2040         * params.h (AVG_ALIASED_VOPS): Define.
2041         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2042         users.
2043         (mp_info_t): Likewise.
2044         (get_mem_sym_stats_for): New.
2045         (set_memory_partition): Move from tree-flow-inline.h.
2046         (mark_non_addressable): Only clear the set of symbols for the
2047         partition if it exists.
2048         (dump_memory_partitions): Move from tree-ssa-operands.c
2049         (debug_memory_partitions): Likewise.
2050         (need_to_partition_p): New.
2051         (dump_mem_ref_stats): New.
2052         (debug_mem_ref_stats): New.
2053         (dump_mem_sym_stats): New.
2054         (debug_mem_sym_stats): New.
2055         (update_mem_sym_stats_from_stmt): New.
2056         (compare_mp_info_entries): New.
2057         (mp_info_cmp): Call it.
2058         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2059         objects.
2060         (get_mpt_for): Move from tree-ssa-operands.c.
2061         (find_partition_for): New.
2062         (create_partition_for): Remove.
2063         (estimate_vop_reduction): New.
2064         (update_reference_counts): New.
2065         (build_mp_info): New.
2066         (compute_memory_partitions): Refactor.
2067         Document new heuristic.
2068         Call build_mp_info, update_reference_counts,
2069         find_partition_for and estimate_vop_reduction.
2070         (compute_may_aliases): Populate virtual operands before
2071         calling debugging dumps.
2072         (delete_mem_sym_stats): New.
2073         (delete_mem_ref_stats): New.
2074         (init_mem_ref_stats): New.
2075         (init_alias_info): Call it.
2076         (maybe_create_global_var): Remove alias_info argument.
2077         Get number of call sites and number of pure/const call sites
2078         from gimple_mem_ref_stats().
2079         (dump_alias_info): Call dump_memory_partitions first.
2080         (dump_points_to_info_for): Show how many times a pointer has
2081         been dereferenced.
2082         * opts.c (decode_options): For -O2 set --param
2083         max-aliased-vops to 500.
2084         For -O3 set --param max-aliased-vops to 1000 and --param
2085         avg-aliased-vops to 3.
2086         * fortran/options.c (gfc_init_options): Remove assignment to
2087         MAX_ALIASED_VOPS.
2088         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2089         * tree-dfa.c (dump_variable): Dump memory reference
2090         statistics.
2091         Dump NO_ALIAS* settings.
2092         (referenced_var_lookup): Tidy.
2093         (mem_sym_stats): New.
2094         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2095         and ORIG are different SSA names for a memory partition.
2096         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2097         * tree-flow.h (struct mem_sym_stats_d): Define.
2098         (mem_sym_stats_t): Define.
2099         (struct mem_ref_stats_d): Define.
2100         (struct gimple_df): Add field mem_ref_stats.
2101         (enum noalias_state): Define.
2102         (struct var_ann_d): Add bitfield noalias_state.
2103         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2104         debug_mem_ref_stats, debug_memory_partitions,
2105         debug_mem_sym_stats): Declare.
2106         * tree-ssa-structalias.c (update_alias_info): Update call
2107         sites, pure/const call sites and asm sites in structure
2108         returned by gimple_mem_ref_stats.
2109         Remove local variable IS_POTENTIAL_DEREF.
2110         Increase NUM_DEREFS if the memory expression is a potential
2111         dereference.
2112         Call update_mem_sym_stats_from_stmt.
2113         If the memory references memory, call
2114         update_mem_sym_stats_from_stmt for all the direct memory
2115         symbol references found.
2116         (intra_create_variable_infos): Set noalias_state field for
2117         pointer arguments according to the value of
2118         flag_argument_noalias.
2119         * tree-ssa-structalias.h (struct alias_info): Remove fields
2120         num_calls_found and num_pure_const_calls_found.
2121         (update_mem_sym_stats_from_stmt): Declare.
2122         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2123         Set default value to 100.
2124         (PARAM_AVG_ALIASED_VOPS): Define.
2125
2126 2007-04-11  Richard Guenther  <rguenther@suse.de>
2127
2128         PR middle-end/31530
2129         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2130         a * -b + c as c - a * b if we honor sign dependent rounding.
2131
2132 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2133
2134         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2135         bfin_expand_strmov.
2136         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2137         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2138         variables.
2139         (initialize_trampoline): Don't use old-style function definition.
2140         (bfin_secondary_reload): Mark IN_P argument as unused.
2141
2142 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2143
2144         PR tree-optimization/31343
2145         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2146         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2147         * testsuite/gcc.dg/vect/pr31343.c: New.
2148
2149 2007-04-10  Eric Christopher  <echristo@apple.com>
2150
2151         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2152         * config/i386/i386.md (*cmpfp0): Use.
2153         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2154         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2155         (fix_trunc<mode>_i386_fisttp): Ditto.
2156         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2157         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2158         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2159         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2160         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2161         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2162         (unnamed_splitters): Ditto.
2163         * config/i386/i386.c (output_fix_trunc): Assert that
2164         we're not being passed a TFmode operand.
2165
2166 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2167
2168         PR tree-optimization/31526
2169         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2170         n_basic_blocks to find newly added blocks.
2171
2172 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2173
2174         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2175         alternative.
2176         (fix_trunc<mode>si_sse): Ditto.
2177         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2178         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2179         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2180         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2181         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2182         expander using SSEMODEF mode macro.
2183         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2184         expander using SSEMODEF mode macro.
2185         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2186         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2187         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2188         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2189         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2190         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2191         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2192         Macroize insn using X87MODEF mode macro.
2193
2194 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2195
2196         * config/i386/sse.md (sse2_pinsrw): Removed.
2197         (sse2_pextrw): Renamed to ...
2198         (*sse2_pextrw): This.
2199
2200 2007-04-09  Jan Hubicka  <jh@suse.cz>
2201
2202         PR target/27869
2203         * config/i386/sse.md
2204         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2205         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2206         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2207         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2208
2209 2007-04-09  Jan Hubicka  <jh@suse.cz>
2210
2211         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2212         multiple fields of union.
2213
2214 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2215
2216         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2217         (create_preheaders): Check that loops are available.
2218         (fix_loop_structure): Clean up, improve comments.
2219         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2220         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2221         state flags.
2222         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2223         * predict.c (tree_estimate_probability): Do not call
2224         calculate_dominance_info.  Call create_preheaders.
2225         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2226         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2227         flags.
2228         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2229         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2230         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2231         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2232         arguments.
2233
2234 2007-04-08  Jan Hubicka  <jh@suse.cz>
2235
2236         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2237         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2238         * fold-const.c (fold_unary): Use it.
2239
2240 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2241
2242         * varasm.c (assemble_variable): Remove call to
2243         lang_hooks.decls.prepare_assemble_variable.
2244         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2245         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2246         * langhooks.h (lang_hooks_for_decls): Remove
2247         prepare_assemble_variable.
2248
2249 2007-04-08  Mike Stump  <mrs@apple.com>
2250
2251         * config/i386/i386.c: Use inc/dec on Core2.
2252
2253 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2254
2255         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2256         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2257         lhd_tree_inlining_end_inlining): Remove.
2258         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2259         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2260         end_inlining hooks.
2261         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2262         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2263         lhd_tree_inlining_end_inlining): Remove prototypes.
2264         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2265         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2266         LANG_HOOKS_TREE_INLINING_START_INLINING,
2267         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2268
2269         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2270         not set it.
2271
2272 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2273
2274         PR target/29932
2275         * config/avr/predicates.md (io_address_operand): Delete predicate.
2276         (low_io_address_operand): Don't use 'mode' argument.
2277         (higth_io_address_operand): Rename ...
2278         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2279         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2280         for above change.
2281
2282 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2283
2284         Revert change removing staticp.
2285
2286 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2287
2288         PR target/30289
2289         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2290         earlyclobber.
2291
2292 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2293
2294         * c.opt: Add -Wformat-contains-nul.
2295         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2296           -Wformat setting.
2297         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2298         the NUL byte warning.
2299
2300 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2301
2302         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2303
2304 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2305
2306         * tree.c (staticp): No longer use staticp langhook.
2307         * langhooks.c (lhd_staticp): Removed.
2308         * langhooks.h (struct lang_hooks): Remove staticp.
2309         * c-common.c (c_staticp): Remove.
2310         * c-common.h (c_staticp): Ditto.
2311         * langhooks-defs.h (lhd_staticp): Ditto.
2312         (LHD_HOOKS_STATICP): Ditto
2313         * tree.h (gcc_assert_lowered): New macro.
2314
2315 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2316
2317         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2318         argument "reliable".
2319         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2320         Add argument "reliable".  Propagate it through calls.
2321         (infer_loop_bounds_from_undefined):  Derive number of iterations
2322         estimates from references in blocks that do not dominate loop latch.
2323         (gcov_type_to_double_int): New function.
2324         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2325         and expected_loop_iterations_unbounded.
2326         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2327         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2328         * tree-data-ref.c (estimated_loop_iterations): Export.
2329         (get_references_in_stmt): Fix -- do not return addresses of local
2330         objects.
2331         * cfgloop.h (expected_loop_iterations_unbounded,
2332         estimated_loop_iterations): Declare.
2333
2334 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2335
2336         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2337
2338 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2341         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2342         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2343         Use output_387_reg_move().
2344         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2345         expander using X87MODEF12 mode macro.
2346         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2347         choosing register preferences.  Use output_387_reg_move().
2348         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2349         instead of "x".  Use output_387_reg_move().
2350         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2351         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2352         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2353         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2354         Use output_387_reg_move().
2355         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2356         mode macro.
2357         (*truncxf?f_i387 splitter): Ditto.
2358
2359 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2360
2361         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2362         LANG_HOOKS_SAFE_FROM_P.
2363         * expr.c (safe_from_p): Remove langhook call.
2364         * langhooks.h (lang_hooks): Remove safe_from_p.
2365         (lhd_safe_from_p): Remove prototype.
2366         * langhooks.c (lhd_safe_from_p): Remove.
2367
2368 2007-04-06  Jan Hubicka  <jh@suse.cz>
2369
2370         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2371         functions.
2372
2373 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2374
2375         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2376         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2377         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2378         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2379         alternative.
2380         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2381         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2382
2383 2007-04-05  Richard Henderson  <rth@redhat.com>
2384
2385         * config/alpha/alpha.c (print_operand) [+]: Remove.
2386         (alpha_end_function): Print nop if call at end of function.
2387         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2388         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2389         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2390         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2391         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2392         the call pattern. Update peepholes to match.
2393
2394 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2395
2396         * doc/extend.texi (Other Builtins): Add decimal float variants
2397         of signbit.
2398         * builtins.def: Ditto.
2399         * builtins.c (expand_builtin): Ditto.
2400
2401 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2402             H.J. Lu  <hongjiu.lu@intel.com>
2403
2404         PR target/31478
2405         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2406         of V8HImode when calling ix86_binary_operator_ok.
2407         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2408         (sdot_prodv8hi): Operands 1 and 2 must be register.
2409
2410 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2411
2412         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2413         initialize align to silence bogus warning.
2414
2415 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2416
2417         PR middle-end/22156
2418         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2419         all_no_warning.
2420         (struct sra_walk_fns): Remove use_all parameter from use.
2421         (sra_hash_tree): Handle BIT_FIELD_REFs.
2422         (sra_elt_hash): Don't hash bitfld blocks.
2423         (sra_elt_eq): Skip them in parent compares as well.  Handle
2424         BIT_FIELD_REFs.
2425         (sra_walk_expr): Don't maintain or pass down use_all_p.
2426         (scan_use): Remove use_all parameter.
2427         (scalarize_use): Likewise.  Re-expand assignment to
2428         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2429         output, and re-scalarize after output.  Don't mark anything
2430         for no warning.
2431         (scalarize_ldst): Adjust.
2432         (scalarize_walk_gimple_modify_statement): Likewise.
2433         (build_element_name_1): Handle BIT_FIELD_REFs.
2434         (instantiate_element): Don't warn for any element whose parent
2435         is used as a whole.
2436         (instantiate_missing_elements_1): Return the sra_elt.
2437         (canon_type_for_field): New.
2438         (try_instantiate_multiple_fields): New.
2439         (instantiate_missing_elemnts): Use them.
2440         (mark_no_warning): Removed.
2441         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2442         (REPLDUP, sra_build_elt_assignment): New.
2443         (generate_copy_inout): Use them.
2444         (generate_element_copy): Likewise.  Handle bitfld differences.
2445         (generate_element_zero): Don't recurse for blocks.  Use
2446         sra_build_elt_assignment.
2447         (generate_one_element_int): Take elt instead of var.  Use
2448         sra_build_elt_assignment.
2449         (generate_element_init_1): Adjust.
2450         (scalarize_use, scalarize_copy): Use REPLDUP.
2451         (scalarize_ldst): Move assert before dereference.
2452         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2453
2454 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2455
2456         * regmove.c: Fix unused variable warnings due to previous commit.
2457
2458 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2459
2460         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2461         (regmove_bb_head): Remove.
2462         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2463         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2464         problems with fixup_match_1.
2465         Don't initialize/free regmove_bb_head.
2466
2467         (reg_is_remote_constant_p): If an insn is in the same basic block
2468         but not before INSN, consider it remote, too.
2469
2470 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2471
2472         PR target/25448
2473         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2474         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2475
2476 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2477
2478         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2479         (CONDITIONAL_REGISTER_USAGE): Likewise.
2480
2481 2007-04-04  Richard Henderson  <rth@redhat.com>
2482
2483         * config/alpha/lib1funcs.asm: Remove unused file.
2484
2485 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2486
2487         PR other/31356
2488         * opts.c (print_specific_help): Fix --help=<language>
2489         header line.
2490         (common_handle_option): Support --help=common.
2491
2492 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2493
2494         PR other/31353
2495         * gcc.c (main): Do not run the linker if
2496         print_subprocess_help indicates that it shouldn't be
2497         run.
2498
2499 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2500
2501         PR doc/31355
2502         * doc/invoke.texi (--help=): Document <languages> value, fix
2503         formatting in tables of values.
2504
2505 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2506
2507         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2508         dllimport attribute of virtual methods.
2509
2510 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2511
2512         * config/score/crti.asm: Change _bss_start to __bss_start.
2513         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2514         (OUTGOING_REG_PARM_STACK_SPACE) update.
2515         * config/score/score.opt: add options to make backend support
2516         score5, score5u, score7 and score7d.
2517         * config/score/score.md: Likewise.
2518         * config/score/misc.md: Likewise.
2519         * config/score/mac.md: Likewise.
2520         * doc/invoke.texi: Likewise.
2521         * doc/md.texi: update constraints define.
2522
2523 2007-04-03  Richard Henderson  <rth@redhat.com>
2524
2525         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2526         an appropriate type, use the mode instead.
2527
2528 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2529
2530         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2531         Set the default --with-arch setting to mips2.
2532         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2533         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2534         (MULTILIB_OSDIRNAMES): Delete.
2535         (MULTILIB_DIRNAMES): Define.
2536         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2537         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2538         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2539         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2540         VXWORKS_OS_CPP_BUILTINS.
2541         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2542         (MIPS_DEBUGGING_INFO): Undefine.
2543         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2544
2545 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2546
2547         PR middle-end/30704
2548         * fold-const.c (native_encode_real): Encode real.c provided longs
2549         as a series of 32-bit native integers.
2550         (native_interpret_real): Interpret buffer as a series of 32-bit
2551         native integers.
2552
2553 2007-04-03  Richard Guenther  <rguenther@suse.de>
2554
2555         * genpreds.c (write_insn_constraint_len): Write function
2556         optimized for CONSTRAINT_LEN implementation.
2557         (write_tm_preds_h): Output insn_constraint_len inline and
2558         use it for CONSTRAINT_LEN.
2559         (write_insn_preds_c): Don't output insn_constraint_len.
2560         * doc/md.texi (define_register_constraint): Document multi-letter
2561         constraints shall have the same length if they start with the same
2562         letter.
2563
2564 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2565
2566         PR target/31175
2567         * config/i386/i386.md (isinf<mode>2): Expand only when
2568         TARGET_C99_FUNCTIONS is set.
2569
2570 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2571
2572         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2573         (x86_64-*-linux*): Ditto.
2574         * config/i386/i386.opt (mpc): New option.
2575         * config/i386/i386.c (overrride_options): Handle
2576         ix87_precision_string.
2577         * config/i386/crtprec.c: New file.
2578         * config/i386/t-crtpc: Ditto.
2579         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2580         and -mpc80 options.
2581         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2582         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2583         crtprec32.o, crtprec64.o and crtprec80.o.
2584
2585         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2586         and -mpc80 options.
2587         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2588
2589 2007-04-02  Eric Christopher  <echristo@apple.com>
2590
2591         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2592         limitations on darwin.
2593
2594 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2595
2596         PR target/31137
2597         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2598
2599 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2600
2601         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2602
2603 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2604
2605         * libgcc2.h (exception_descriptor): Don't forward-declare.
2606         (__get_eh_table_language, __get_eh_table_version): Delete
2607         prototypes of long-dead functions.
2608
2609 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2610
2611         * ebitmap.h: New file
2612         * ebitmap.c: New file
2613         * Makefile.in (ebitmap.o): New target.
2614
2615 2007-04-01  Jan Hubicka  <jh@suse.cz>
2616
2617         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2618         before very first instruction.
2619
2620 2007-04-01  Jan Hubicka  <jh@suse.cz>
2621
2622         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2623         waring on 64bit hosts.
2624         * bitmap.h: Fix typo in bitmap_head_def.
2625
2626 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2627
2628         PR rtl-optimization/31391
2629         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2630         into a DELETED_LABEL note, and the label is in an empty basic
2631         block, update BB_END as well as BB_HEAD.
2632
2633 2007-04-01  Richard Henderson  <rth@redhat.com>
2634
2635         PR tree-optimization/31169
2636         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2637         to varying if the range is outside [0,  prec-1].
2638
2639 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2640
2641         PR target/31388
2642         * config/mips/mips.md (load_const_gp): New insn.
2643         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2644         the MIPS16 GP pseudo register if no_new_pseudos.
2645         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2646
2647 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2648
2649         PR target/31364
2650         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2651         secureplt.
2652         (call_value): Likewise.
2653
2654 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2655             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2656
2657         PR 14737
2658         * doc/invoke.texi: (optimization options): Reword description
2659         of -ffast-math. Document its primary purpose.
2660
2661 2007-03-31  Richard Guenther  <rguenther@suse.de>
2662
2663         * omp-low.c (splay-tree.h): Include.
2664         (lookup_decl): Replace splay-tree usage by pointer-map.
2665         (maybe_lookup_decl): Likewise.
2666         (new_omp_context): Likewise.
2667         (delete_omp_context): Likewise.
2668         * gimplify.c (splay-tree.h): Include.
2669         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2670         pointer-map.
2671         (remap_ssa_name): Likewise.
2672         (remap_decl): Likewise.
2673         (remap_type_1): Likewise.
2674         (remap_type): Likewise.
2675         (copy_body_r): Likewise.
2676         (expand_call_inline): Likewise.
2677         (clone_body): Likewise.
2678         (copy_tree_r): Likewise.
2679         (remap_save_expr): Likewise.
2680         (unsave_r): Likewise.
2681         (unsave_expr_now): Likewise.
2682         (tree_function_versioning): Likewise.
2683         (build_duplicate_type): Likewise.
2684         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2685         (struct copy_body_data): Replace splay-tree by pointer-map.
2686         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2687         not $(SPLAY_TREE_H).
2688         (gimplify.o): Depend on $(SPLAY_TREE_H).
2689         (omp-low.p): Likewise.
2690
2691 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2692
2693         * config/avr/predicates.md (even_register_operand,
2694         odd_register_operand): New predicates.
2695         * config/avr/avr.md (movw peephole2): New.
2696         (movw_r peephole2): New.
2697
2698 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2699
2700         * tree.h (get_signed_or_unsigned_type): New.
2701         * fold-const.c (operand_equal_for_comparison_p): Use
2702         get_signed_or_unsigned_type instead of
2703         lang_hooks.types.signed_or_unsigned_type.
2704         * expr.c (store_expr): Ditto.
2705         * langhooks.c (get_signed_or_unsigned_type): New.
2706         (lhd_signed_or_unsigned_type): New.
2707         * langhooks.h (lhd_signed_or_unsigned_type): New.
2708         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2709
2710 2007-03-30  Richard Henderson  <rth@redhat.com>
2711
2712         * tree-ssa-loop-ivopts.c: Include target.h.
2713         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2714         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2715         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2716         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2717
2718 2007-03-30  Richard Henderson  <rth@redhat.com>
2719             Kai Tietz  <kai.tietz@onevision.com>
2720
2721         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2722         default for 64-bit.
2723         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2724         (TARGET_64BIT_MS_ABI): New.
2725         (DBX_REGISTER_NUMBER): Handle 64-bit.
2726         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2727         (LONG_TYPE_SIZE): Force to 32.
2728         (REG_PARM_STACK_SPACE): New.
2729         (OUTGOING_REG_PARM_STACK_SPACE): New.
2730         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2731         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2732         (STACK_BOUNDARY): Use 128 for 64-bit.
2733         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2734         Add 64-bit implementation.
2735         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2736         argument unused.
2737         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2738         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2739         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2740         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2741         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2742         TARGET_64BIT_MS_ABI.
2743         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2744         (ix86_pass_by_reference): Likewise.
2745         (ix86_function_value_regno_p): Likewise.
2746         (ix86_build_builtin_va_list): Likewise.
2747         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2748         (function_arg_advance_ms_64): New.
2749         (function_arg_advance): Call it.
2750         (function_arg_ms_64): New.
2751         (function_arg): Call it.
2752         (function_value_ms_64): New.
2753         (ix86_function_value_1): Call it.
2754         (return_in_memory_ms_64): New.
2755         (ix86_return_in_memory): Call it.
2756         (setup_incoming_varargs_ms_64): New.
2757         (ix86_setup_incoming_varargs): Call it.
2758         (ix86_expand_prologue): Handle 64-bit stack probing.
2759         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2760         (output_pic_addr_const): Likewise.
2761         (x86_this_parameter): Likewise.
2762         (x86_output_mi_thunk): Likewise.
2763         (x86_function_profiler): Likewise.
2764         (TARGET_STRICT_ARGUMENT_NAMING): New.
2765         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2766         (TARGET_64BIT_MS_ABI): New.
2767         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2768         * config/i386/i386.md (allocate_stack_worker): Remove.
2769         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2770         describe the clobber of eax without a match_scratch.
2771         (allocate_stack_worker_postreload): Remove.
2772         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2773         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2774         (allocate_stack_worker_rex64_postreload): Remove.
2775         (allocate_stack): Handle 64-bit.
2776         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2777         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2778         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2779         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2780         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2781         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2782         * config.build (x86_64-*-mingw*): New host.
2783         * config.host (x86_64-*-mingw*): New host.
2784         * config.gcc (x86_64-*-mingw*): New target.
2785         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2786
2787 2007-03-30  Richard Henderson  <rth@redhat.com>
2788             Kai Tietz  <kai.tietz@onevision.com>
2789
2790         * c-pragma.c (struct def_pragma_macro_value): New.
2791         (struct def_pragma_macro): New.
2792         (pushed_macro_table): New.
2793         (dpm_hash, dpm_eq): New.
2794         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2795         (init_pragma): Install them.
2796         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2797
2798 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2799
2800         * config/avr/avr.c (avr_override_options): Clear
2801         'flag_delete_null_pointer_checks'.
2802
2803 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2804
2805         PR c++/26099
2806         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2807         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2808         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2809         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2810         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2811         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2812         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2813         C++ extensions.
2814         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2815
2816 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2817
2818         * regmove.c: Move all of pass_stack_adjustments from here...
2819         * combine-stack-adj.c: ...to this new file.
2820         * Makefile.in: Add rules for combine-stack-adj.o.
2821
2822 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2823
2824         PR tree-optimization/31383
2825         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2826         to have the same length.
2827
2828 2007-03-30  Jan Hubicka  <jh@suse.cz>
2829
2830         PR middle-end/30700
2831         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2832         availablility; add more sanity checking; ask varpool only about
2833         VAR_DECL.
2834
2835 2007-03-29  Richard Henderson  <rth@redhat.com>
2836
2837         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2838         to decide, but __SIZEOF_LONG_LONG__.
2839
2840 2007-03-29  Richard Henderson  <rth@redhat.com>
2841
2842         * emutls.c (struct __emutls_array): New.
2843         (emutls_destroy): Use it instead of casting element 0 from void*.
2844         (__emutls_get_address): Likewise.
2845
2846 2007-03-29  Richard Henderson  <rth@redhat.com>
2847
2848         * varasm.c (initializer_constant_valid_p): Don't deny
2849         DECL_DLLIMPORT_P on functions.
2850
2851         * config/i386/cygming.h: Remove function declarations.
2852         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2853         (ASM_OUTPUT_LABELREF): Remove.
2854         (COMMON_ASM_OP): Remove.
2855         (ASM_OUTPUT_COMMON): Remove.
2856         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2857         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2858         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2859         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2860         Rename from TARGET_ENCODE_SECTION_INFO.
2861         * config/i386/netware.h: Likewise.
2862         * config/i386/i386-protos.h: Update.
2863         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2864         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2865         (legitimate_constant_p): Reject dllimports.
2866         (dllimport_map, get_dllimport_decl): New.
2867         (legitimize_dllimport_symbol): New.
2868         (legitimize_address, ix86_expand_move): Use it.
2869         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2870         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2871         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2872         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2873         * config/i386/predicates.md (constant_call_address_operand): Only
2874         accept symbols; reject dllimport_p symbols.
2875         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2876         i386_pe_maybe_record_exported_symbol.
2877         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2878         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2879         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2880         trust the setting of DECL_DLLIMPORT_P.
2881         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2882         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2883         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2884         tidy the argument scanning loop.
2885         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2886         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2887         (i386_pe_strip_name_encoding): Remove.
2888         (i386_pe_binds_local_p): New.
2889         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2890         (i386_pe_output_labelref): Remove.
2891         (i386_pe_asm_output_aligned_decl_common): New.
2892         (i386_pe_maybe_record_exported_symbol): Rename from
2893         i386_pe_record_exported_symbol; check for dllexported symbols.
2894
2895 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2896
2897         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2898         add comment explaining why vsnprintf cannot be used.
2899
2900 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2901
2902         PR tree-optimization/30666
2903         * tree.c (build_complex_type): When creating type names for DWARF2
2904         debug info, create TYPE_DECLs for TYPE_NAME instead of
2905         IDENTIFIER_NODEs.
2906         (build_common_tree_nodes_2): Use build_complex_type when building
2907         predefined complex types, to preserve canonical types.
2908
2909 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2910
2911         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2912         (noce_get_alt_condition): Look at it to determine whether to
2913         reverse the condition or not.
2914         (noce_get_condition): Substitute the truth for lies.
2915         (noce_find_if_block): Set the then_else_reversed field.
2916
2917 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2918
2919         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2920         destination of this insn.
2921         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2922         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2923         'address + 4' rather than a stack based temporary which can be
2924         mis-optimized away.
2925
2926 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2927
2928         * config/s390/s390.c (s390_secondary_input_reload_class,
2929         s390_secondary_output_reload_class): Functions removed.
2930         (s390_secondary_reload): New function.
2931         (TARGET_SECONDARY_RELOAD): Target macro defined.
2932         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2933         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2934         * config/s390/s390.md ("reload_outti", "reload_outdi",
2935         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2936         "reload_out<mode>"): Expanders removed.
2937         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2938         "reload<mode>_nonoffmem_out"): Expanders added.
2939
2940 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2941
2942         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2943         SRC->DEST replacement failed anyway.
2944
2945 2007-03-28  Mike Stump  <mrs@apple.com>
2946
2947         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2948         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2949         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2950
2951 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2952
2953         * config.gcc: Accept barcelona as a variant of amdfam10.
2954         * config/i386/i386.c (override_options): Likewise.
2955         * doc/invoke.texi: Likewise.
2956
2957 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2958
2959         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2960         offsets for BIT_FIELD_REF and COMPONENT_REF.
2961
2962 2007-03-28  Richard Guenther  <rguenther@suse.de>
2963
2964         * tree.c (is_global_var): Move ...
2965         * tree-flow-inline.h (is_global_var): ... here.
2966         * tree.h (is_global_var): Remove declaration.
2967
2968 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2969
2970         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2971         option.
2972         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2973         * config/i386/i386.c (ix86_tune_features): Initialize new
2974         tuning option.
2975         * config/i386/predicates.md (promotable_binary_operator): Use
2976         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2977
2978 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2979
2980         PR target/31380
2981         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2982
2983 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2984
2985         * config/fr30/fr30.md (movsi_internal): Change destination
2986         constraint from m to V and add m to the end.
2987
2988 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2989
2990         * config/sh/sh.md (movsi_i): Fix type attribute.
2991
2992 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2993
2994         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2995         (movsf_ie): Likewise.
2996
2997 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2998
2999         * config.gcc: Add sh4-300 to multilib.
3000         * config/sh/t-mlib-sh4-300: New file.
3001
3002 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3003
3004         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3005         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3006         fix_trunc<mode>di2.
3007         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3008         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3009         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3010         "fixuns_trunctddi2"): Whitespace fix.
3011
3012 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3013
3014         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3015         the definition of struct sh_args.
3016         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3017         CALL_COOKIE_INT_REG_GET): Likewise.
3018
3019 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3020
3021         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3022         transformations are applied successfully.
3023
3024 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3025
3026         * tree.c (tree_contains_struct): Permit 512 tree codes.
3027         * tree.h (tree_contains_struct): Ditto.
3028         (MAX_TREE_CODES): Ditto.
3029         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3030         SPARE member to store remaining padding bits.
3031
3032 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3033
3034         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3035         architecture.
3036
3037 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3038
3039         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3040         * configure: Regenerate.
3041
3042         * configure: Regenerate using the correct version of autoconf.
3043
3044 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3045
3046         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3047         pointer regs.
3048         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3049         regs to "__SP_L__" and "__SP_H__".
3050
3051 2007-03-27  Richard Guenther  <rguenther@suse.de>
3052
3053         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3054         computations with it with a HOST_WIDE_INT variable.
3055
3056 2007-03-26  Mike Stump  <mrs@apple.com>
3057
3058         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3059         objective-c-header, objective-c++-header and objc++-cpp-output
3060         support.
3061         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3062
3063 2007-03-26  Richard Henderson  <rth@redhat.com>
3064
3065         PR target/31361
3066         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3067         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3068         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3069         IX86_BUILTIN_PSRLQ128): New.
3070         (ix86_init_mmx_sse_builtins): Add them.
3071         (ix86_expand_builtin): Expand them.
3072         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3073         operand 2 be TImode.
3074         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3075         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3076         _mm_srli_epi64): Mark __B const.
3077         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3078         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3079         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3080         new two-vector shift builtins.
3081
3082 2007-03-26  Ian Lance Taylor  <iant@google.com>
3083
3084         PR tree-optimization/31345
3085         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3086         [+INF, +INF(OVF)] into VARYING.
3087
3088 2007-03-26  Zack Weinberg  <zackw@panix.com>
3089
3090         * gengtype-parse.c: New file.
3091         * gengtype-yacc.y: Delete.
3092         * gengtype-lex.l: Don't include gengtype-yacc.h.
3093         Define YY_DECL and yyterminate appropriately for recursive
3094         descent parser.  yylval is now a string out-parameter to yylex.
3095         (HWS, EOID): New shorthand.
3096         (IWORD): Add a couple more types.
3097         (yylex): Add a setup stanza.  Remove the complex rules for
3098         detecting GTY'ed types and typedefs; replace with simple
3099         keyword detectors.  Adjust everything for the changed
3100         definition of yylval.  Ignore all pp-directives, not just #define.
3101         (yyerror): Delete.
3102         (parse_file): Rename yybegin; do not call yyparse.
3103         (yyend): New.
3104         * gengtype.c (xasprintf): Export again.
3105         (this_file): New.  Use everywhere __FILE__ was being used.
3106         (get_lang_bitmap): Special case types defined in gengtype.c.
3107         (do_typedef, new_structure): Suppress definition of certain types.
3108         (new_structure): Improve diagnostics of duplicate definitions.
3109         Make sure location_s is associated with input.h.
3110         (nreverse_pairs, define_location_structures): New functions.
3111         (main): Improve tagging of kludge types.  Remove old kludges
3112         for input.h types; use define_location_structures.
3113         * gengtype.h: Update prototypes.  Define token codes here.
3114         * Makefile.in: Remove all references to gengtype-yacc.
3115         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3116         and gengtype.
3117         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3118         add GTY((skip)) to the field that's only conditionally there.
3119         * doc/install.texi: Document that Bison is no longer required
3120         unless building treelang.
3121
3122         * gengtype.c: Don't include gtyp-gen.h.
3123         (srcdir): Declare here.
3124         (base_files, lang_dir_names): Allocate dynamically.
3125         (gt_files, num_gt_files, num_lang_dirs): New globals.
3126         (measure_input_list, read_input_line, read_input_list)
3127         (set_lang_bitmap): New functions.
3128         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3129         simplify, relying on read_input_list to set up the bitmaps.
3130         (main): Arguments are no longer unused.  Check for correct number
3131         of command line arguments, set srcdir and srcdir_len, then call
3132         read_input_list, before doing anything else.  No need to worry
3133         about duplicates in main loop.
3134         * configure.ac: Simplify the calculation of all_gtfiles.
3135         Put language tags in there.  Don't set or substitute
3136         all_gtfiles_files_langs or all_gtfiles_files_frags.
3137         * Makefile.in: Revamp the way gengtype is invoked, now that it
3138         takes a file on its command line with a much simpler format.
3139         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3140         (GTFILES): Remove duplicates and C source files.
3141         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3142         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3143         * configure: Regenerate.
3144
3145         * gengtype.h: Remove all type definitions to gengtype.c; leave
3146         only definitions of options_p, type_p, and pair_p as opaque
3147         pointers.  Update prototypes.
3148         * gengtype.c: Many type definitions moved here from gengtype.h.
3149         Consolidate type definitions at the top of the file.
3150         (xvasprintf): Delete.
3151         (xasprintf): Make static.
3152         (create_nested_pointer_option): Add 'next' parameter.
3153         (create_field_all, create_field_at): New functions.
3154         (create_field): Now a thin wrapper around create_field_all.
3155         (create_optional_field): Rename create_optional_field_ and add
3156         line argument.  Original name is now a macro which supplies
3157         __LINE__.
3158         (oprintf): Use vsnprintf directly.
3159         (close_output_files): Use fatal rather than perror/exit.
3160         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3161         (main): Set progname.  Don't use exit.
3162         * gengtype-yacc.y (struct_fields): Use create_field_at.
3163         (option, optionseqopt): Delete.
3164         (optionseq): Consolidate productions from option here so we
3165         can use the first argument to create_option.
3166
3167         * gengtype-lex.l: Distinguish unions from structures in the
3168         token type.  Don't call find_structure; return the tag as a string.
3169         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3170         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3171         Reorganize typedef_struct production accordingly.
3172         Use create_nested_ptr_option.
3173         * gengtype.c (create_nested_ptr_option): New function.
3174         * gengtype.h: Declare it.
3175
3176         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3177         (string_type): Don't declare.
3178         (do_scalar_typedef): Declare.
3179         (create_scalar_type): Update prototype.
3180         * gengtype.c (string_type): Make static.
3181         (scalar_nonchar, scalar_char): New.
3182         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3183         (resolve_typedef): Use scalar_nonchar for error recovery.
3184         (create_scalar_type): Remove name_len field.  Return scalar_char
3185         or scalar_nonchar as appropriate.
3186         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3187         to use string_type.
3188         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3189         whenever possible.
3190         (main): Initialize scalar_char and scalar_nonchar before calling
3191         gen_rtx_next.
3192         * gengtype-lex.l: Adjust for removal of second argument to
3193         create_scalar_type.  Use yylval.s instead of yylval.t when
3194         returning SCALAR.
3195         * gengtype-yacc.y: Type of SCALAR is string.  Call
3196         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3197         second argument to create_scalar_type.
3198
3199         * vec.h: Remove all #if IN_GENGTYPE blocks.
3200         Add comment saying that changes may require adjustments to gengtype.
3201         * gengtype.c: Don't include coretypes.h or tm.h.
3202         Add comment to inclusion of errors.h.
3203         (note_def_vec, note_def_vec_alloc): New functions.
3204         * gengtype.h: Declare new functions.
3205         * gengtype-lex.l: Don't include coretypes.h.
3206         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3207         Delete.
3208         (update_lineno): Remove unnecessary prototype.
3209         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3210         (VEC rule): Just return VEC_TOKEN.
3211         * gengtype-yacc.y (VEC_TOKEN): New token type.
3212         (type): Add a production for VEC(a,b).
3213         * Makefile.in: Update dependencies.
3214
3215         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3216         typedefs that use the old PARAMS macro.
3217
3218         * gengtype-lex.l: Remove all rules and states relating to yacc
3219         input files.
3220         * gengtype-yacc.y: Similarly.
3221         * gengtype.c (note_yacc_type): Delete function.
3222         * gengtype.h: Update prototypes.
3223
3224 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3225
3226         * tree-pretty-print.c (dump_generic_node): Report precision of
3227         unnamed integer types.
3228
3229 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3230
3231         * ifcvt.c (noce_try_store_flag_constants): Don't check
3232         no_new_pseudos here.
3233         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3234         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3235         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3236         noce_try_sign_mask): Likewise.
3237         (if_convert): Check no_new_pseudos here.
3238
3239         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3240         Remove prototypes.
3241         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3242         (noce_get_condition): Handle new then_else_reversed argument.
3243         (noce_init_if_info): Remove, fold into noce_find_if_block.
3244         (noce_process_if_block): Take a struct noce_if_info as the
3245         argument.  Don't set up one based on ce_if_info.  Update pointer
3246         references accordingly.
3247         (cond_move_process_if_block): Likewise.
3248         (process_if_block): Removed.
3249         (find_if_block): Removed.  Move functionality two new functions,
3250         noce_find_if_block and cond_exec_find_if_block.
3251         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3252         blocks and the symmetric IF-ELSE-JOIN case.
3253         (cond_exec_find_if_block): Also new function mostly based on old
3254         find_if_block and process_if_block.
3255         (find_if_header): Replace find_if_block call with separately
3256         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3257         (find_cond_trap): Update noce_get_condition call.
3258         (dead_or_predicable): Likewise.
3259
3260 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3261
3262         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3263         Remove.
3264         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3265         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3266         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3267         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3268         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3269         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3270         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3271         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3272         __builtin_ia32_psrad128 builtins.
3273
3274 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3275
3276         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3277         * config/i386/constraints.md
3278         (define_constraint "I"): Use IN_RANGE macro.
3279         (define_constraint "J"): Ditto.
3280         (define_constraint "K"): Ditto.
3281         (define_constraint "M"): Ditto.
3282         (define_constraint "N"): Ditto.
3283         (define_constraint "O"): Ditto.
3284         * config/i386/predicates.md
3285         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3286         (define_predicate "const_0_to_3_operand"): Ditto.
3287         (define_predicate "const_0_to_7_operand"): Ditto.
3288         (define_predicate "const_0_to_15_operand"): Ditto.
3289         (define_predicate "const_0_to_63_operand"): Ditto.
3290         (define_predicate "const_0_to_255_operand"): Ditto.
3291         (define_predicate "const_1_to_31_operand"): Ditto.
3292         (define_predicate "const_2_to_3_operand"): Ditto.
3293         (define_predicate "const_4_to_7_operand"): Ditto.
3294
3295 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3296
3297         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3298         in SImode for save_world.
3299         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3300         LR hard reg.
3301
3302 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3303
3304         PR tree-optimization/30784
3305         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3306         BIT_FIELD_REF.
3307
3308 2007-03-25  Revital Eres  <eres@il.ibm.com>
3309
3310         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3311           Fold movement_possibility function into it.
3312
3313 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3314
3315         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3316         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3317         (call_indirect_nonlocal_darwin64): Same.
3318         (call_nonlocal_darwin64): Same.
3319         (call_value_indirect_nonlocal_darwin64): Same.
3320         (call_value_nonlocal_darwin64): Same.
3321         (sibcall_nonlocal_darwin64): Same.
3322         (sibcall_value_nonlocal_darwin64): Same.
3323         (sibcall_symbolic_64): Same.
3324         (sibcall_value_symbolic_64): Same.
3325         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3326         LR pseudo.
3327         (rs6000_emit_load_toc_table): Same.
3328         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3329         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3330         (mull_call): Same.
3331         (divss_call): Same.
3332         (divus_call): Same.
3333         (quoss_call): Same.
3334         (quous_call): Same.
3335         (load_toc_v4_pic_si): Same
3336         (load_toc_v4_PIC_1): Same.
3337         (load_toc_v4_PIC_1b): Same.
3338         (call_indirect_aix{32,64}): Same.
3339         (call_value_indirect_aix{32,64}): Same.
3340         (call): Same.
3341         (call_value): Same.
3342         (call_local{32,64}): Same.
3343         (call_value_local{32,64}): Same.
3344         (call_indirect_nonlocal_aix{32,64}): Same.
3345         (call_nonlocal_aix{32,64}): Same.
3346         (call_value_indirect_nonlocal_aix{32,64}): Same.
3347         (call_value_nonlocal_aix{32,64}): Same.
3348         (call_indirect_nonlocal_sysv<mode>): Same.
3349         (call_nonlocal_sysv<mode>): Same.
3350         (call_value_indirect_nonlocal_sysv<mode>): Same.
3351         (call_value_nonlocal_sysv<mode>): Same.
3352         (sibcall): Same.
3353         (sibcall_local{32,64}): Same.
3354         (sibcall_value_local{32,64}): Same.
3355         (sibcall_nonlocal_aix{32,64}): Same.
3356         (sibcall_value_nonlocal_aix{32,64}): Same.
3357         (sibcall_nonlocal_sysv<mode>): Same.
3358         (sibcall_value): Same.
3359         (sibcall_value_nonlocal_sysv<mode>): Same.
3360
3361 2007-03-24  Paul Brook  <paul@codesourcery.com>
3362
3363         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3364         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3365
3366 2007-03-24  Richard Henderson  <rth@redhat.com>
3367
3368         * config/ia64/constraints.md: New file.
3369         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3370         satisfies_constraint_?.
3371         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3372         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3373         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3374         ia64_output_mi_thunk): Likewise.
3375         (ia64_const_ok_for_letter_p): Remove.
3376         (ia64_const_double_ok_for_letter_p): Remove.
3377         (ia64_extra_constraint): Remove.
3378         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3379         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3380         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3381         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3382         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3383         EXTRA_MEMORY_CONSTRAINT): Remove.
3384         * config/ia64/ia64.md: Include constriants.md.  Replace
3385         CONST_OK_FOR_? with satisfies_constraint_?.
3386
3387 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3388             H.J. Lu  <hongjiu.lu@intel.com>
3389
3390         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3391         DPD or BID name.
3392         (name macros): Use DPD_BID_NAME to convert names properly.
3393
3394         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3395         decimal floating point format.
3396         (init_floating_libfuncs): Change decimal functions so that they
3397         have a "bid_" prefix if the decimal system uses the BID format,
3398         and "dpd_" prefix if the decimal system uses the DPD format.
3399         (init_interclass_conv_libfuncs): Ditto.
3400         (init_intraclass_conv_libfuncs): Ditto.
3401
3402         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3403         using the BID format.
3404
3405         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3406         whether we are using the BID decimal format.
3407         * configure: Regenerate.
3408
3409         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3410         the compiler has decimal floating point enabled.  Define
3411         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3412         instead of DPD.
3413
3414         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3415         using the BID format.
3416
3417         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3418         whether we are using the BID decimal format.
3419         * configure: Regenerate.
3420
3421         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3422         the compiler has decimal floating point enabled.  Define
3423         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3424         instead of DPD.
3425
3426         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3427         options, and that it is enabled for i386/x86_64 systems.
3428
3429         * Makefile.in (enable_decimal_float): New.
3430         (DECNUMFMT): New.
3431         (DECNUMINC): Add  -I$(DECNUMFMT).
3432         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3433         to $(DECNUMFMT) from $(DECNUM).
3434
3435         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3436         Substitute enable_decimal_float.
3437         * configure: Regenerated.
3438
3439         PR other/30529
3440         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3441         unsigned long.
3442
3443         * configure.ac: Enable decimal float for x86_64-*-linux*.
3444         * configure: Regenerated.
3445
3446         PR other/30530
3447         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3448         decimal128ClearSign to flip and clear the sign bit in decimal128.
3449         (decimal_real_maxval): Set decimal128SetSign to set the sign
3450         bit in decimal128.
3451
3452 2007-03-23  Ian Lance Taylor  <iant@google.com>
3453
3454         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3455
3456 2007-03-23  Ian Lance Taylor  <iant@google.com>
3457
3458         * tree-dump.c (dump_files): Correct comment.
3459
3460 2007-03-23  Ian Lance Taylor  <iant@google.com>
3461
3462         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3463
3464 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3465
3466         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3467         in cfglayout mode.  Don't go into and out of cfglayout mode.
3468         Link the blocks in the order of the constructed traces.
3469         (rest_of_handle_tracer): Adjust call to tracer.
3470         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3471         Don't go into cfglayout mode.
3472         (rtl_loop_done): Don't go out of cfglayout mode.
3473         * cfglayout.c (relink_block_chain): New function, split out from...
3474         (fixup_reorder_chain): ...here.  Remove redundant checking.
3475         (cfg_layout_finalize): Don't clear the header, footer, and aux
3476         fields here, move the code to do so to relink_block_chain.  Likewise
3477         for free_original_copy_tables.
3478         * rtl.h (tracer): Update prototype.
3479         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3480         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3481         mode.  Use relink_block_chain to serialize the CFG according to the
3482         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3483         here...
3484         (gate_handle_reorder_blocks): ...to here.
3485         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3486         from here...
3487         (gate_duplicate_computed_gotos): ...to here.
3488         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3489         something always changes when going into and out of cfglayout mode.
3490         Perform an expensive cfg cleanup while going into cfglayout mode.
3491         Always update liveness information on HAVE_conditional_execution
3492         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3493         * reg-stack.c: Include cfglayout.h.
3494         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3495         the call to reorder_basic_blocks.
3496         * basic-block.h (reorder_basic_blocks): Update prototype.
3497         (relink_block_chain): New prototype.
3498         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3499
3500 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3501
3502         * config/mips/mips.md (type, hazard, *movdi_32bit,
3503         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3504         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3505         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3506         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3507         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3508         applicable.
3509         (movcc): Change first xfer to multi.
3510         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3511         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3512         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3513         config/mips/generic.md: Change reservations using "xfer" to use
3514         "mfc,mtc".
3515         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3516         using match_operand.
3517         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3518         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3519         examining mode.
3520         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3521
3522 2007-03-22  Richard Henderson  <rth@redhat.com>
3523
3524         * config/i386/i386.c: Remove unnecessary function declarations.
3525         Move targetm definition, and all related macros, to the end of
3526         the file.  Resort some functions to put definitions before uses.
3527         (ix86_attribute_table): Make static.  Move to end of file.
3528         (ix86_gimplify_va_arg): Make static.
3529
3530 2007-03-22  Richard Henderson  <rth@redhat.com>
3531
3532         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3533         don't increase local_regparm with force_align_arg_pointer check.
3534         (ix86_function_sseregparm): Assert 32-bit.
3535         (type_has_variadic_args_p): New.
3536         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3537         type_has_variadic_args_p.
3538         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3539         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3540         use memset instead.  Do maybe_vaarg check first; skip attribute
3541         tests if true; skip attribute tests for 64-bit.
3542         (construct_container): Remove TARGET_DEBUG_ARG.
3543         (function_arg_advance_32, function_arg_advance_64): Split out ...
3544         (function_arg_advance): ... from here.
3545         (function_arg_32, function_arg_64): Split out ...
3546         (function_arg): ... from here.
3547         (ix86_pass_by_reference): Tidy.
3548         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3549         (function_value_32): New, from parts of ix86_function_value
3550         and ix86_value_regno.
3551         (function_value_64): New, from parts of ix86_function_value
3552         and ix86_libcall_value.
3553         (ix86_function_value_1): New.
3554         (ix86_function_value, ix86_libcall_value): Use it.
3555         (return_in_memory_32, return_in_memory_64): Split out ...
3556         (ix86_return_in_memory): ... from here.
3557         (ix86_struct_value_rtx): Skip for 64-bit.
3558         (ix86_libcall_value, ix86_value_regno): Remove.
3559         (setup_incoming_varargs_64): Split out ...
3560         (ix86_setup_incoming_varargs): ... from here.
3561         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3562         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3563         * config/i386/i386-protos.h (ix86_function_value): Remove.
3564         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3565
3566 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3567
3568         PR other/23572
3569         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3570         infinities not supported, otherwise emit warning if -Woverflow. On
3571         underflow, emit warning if -Woverflow.
3572         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3573         and 0 otherwise.
3574         * real.h (real_from_string): Update declaration
3575
3576 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3577             Richard Henderson  <rth@redhat.com>
3578
3579         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3580         * calls.c (compute_argument_block_size, expand_call,
3581         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3582         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3583         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3584         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3585         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3586         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3587         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3588         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3589         Set to 1.
3590
3591 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3592
3593         * c-incpath.c (add_sysroot_to_chain): New.
3594         (merge_include_chains): Add sysroot argument.  Call
3595         add_sysroot_to_chain if sysrooted.
3596         (register_include_chains): Update call to merge_include_chains.
3597         * doc/cppopts.texi: Document use of '=' in include directory
3598         arguments.
3599
3600 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3601
3602         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3603         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3604         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3605         insn pattern using X87MODEF12 mode macro.
3606
3607 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3608
3609         * regmove.c (regmove_optimize): Use reg_mentioned_p
3610         instead of reg_overlap_mentioned_p for DST.
3611
3612 2007-03-21  Mike Stump  <mrs@apple.com>
3613
3614         * c.opt: Fixup for Objective-C/C++.
3615
3616 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3617
3618         * explow.c (convert_memory_address): Fold memory reference when
3619         POINTERS_EXTEND_UNSIGNED < 0
3620
3621 2007-03-21  Richard Henderson  <rth@redhat.com>
3622
3623         PR target/31245
3624         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3625         * config/i386/mmintrin.h (__m64): Likewise.
3626         * config/i386/xmmintrin.h (__m128): Likewise.
3627
3628 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3629
3630         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3631         (VXWORKS_OS_CPP_BUILTINS): Define.
3632         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3633         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3634
3635 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3636
3637         * rtl.h (constant_pool_reference_p): Delete.
3638         (find_constant_src): Declare.
3639         * rtlanal.c (find_constant_src): New function.
3640         * simplify-rtx.c (constant_pool_reference_p): Delete.
3641         * config/i386/i386.md: Use find_constant_src instead of
3642         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3643
3644 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3645
3646         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3647         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3648
3649 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3650
3651         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3652         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3653         (arm_elf_asm_constructor): Use it.
3654         (arm_elf_asm_destructor): New function.
3655
3656 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3657
3658         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3659
3660 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3661
3662         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3663
3664 2007-03-19  Andrew Haley  <aph@redhat.com>
3665
3666         PR tree-optimization/31264
3667         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3668         VIEW_CONVERT_EXPRs.
3669
3670 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3671
3672         PR rtl-optimization/30907
3673         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3674         (fwprop_init): Always call loop_optimizer_initialize.
3675         (fwprop_done): Always call loop_optimizer_finalize.
3676         (fwprop): We always have loop info now.
3677         (gate_fwprop_addr): Remove.
3678         (pass_fwprop_addr): Use gate_fwprop as gate.
3679
3680         PR rtl-optimization/30841
3681         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3682         df_chain_alloc): Call df_reorganize_refs unconditionally.
3683         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3684         refs_organized to refs_organized_size.
3685         (df_ref_create_structure): Use refs_organized_size instead of
3686         bitmap_size if refs had been organized, and keep refs_organized_size
3687         up-to-date.
3688         * df.h (struct df_ref_info): Change refs_organized to
3689         refs_organized_size.
3690         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3691         bitmap_size.
3692
3693 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3694
3695         * except.c (output_function_exception_table): Do not reference the
3696         EH personality routine for functions that do not require an
3697         exception table.
3698
3699 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3700
3701         PR c/30762
3702         * c-typeck.c (convert_for_assignment): Call comptypes for
3703         RECORD_TYPE or UNION_TYPE.
3704
3705         PR inline-asm/30505
3706         * reload1.c (reload): Do invalid ASM checking after
3707         cleanup_subreg_operands.
3708
3709 2007-03-19  Jeff Law  <law@redhat.com>
3710
3711         * tree-cfg.c (find_taken_edge): Tighten conditions for
3712         optimizing computed gotos.
3713
3714 2007-03-19  Michael Matz  <matz@suse.de>
3715
3716         * builtins.c (expand_builtin_sync_operation,
3717         expand_builtin_compare_and_swap,
3718         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3719         correctly.
3720
3721         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3722         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3723         for operand 3.
3724
3725 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3726
3727         * doc/tm.texi: Add brackets around the return type of
3728         TARGET_SECONDARY_RELOAD.
3729
3730 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3731         Richard Guenther  <rguenther@suse.de>
3732
3733         PR tree-optimization/31254
3734         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3735         Use handled_component_p () where appropriate.  Continue
3736         propagating into the rhs if we propagated into an INDIRECT_REF
3737         on the lhs.
3738
3739 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3740
3741         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3742         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3743         (xde, xdee): Mode attributes adjusted to support DFP modes.
3744         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3745         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3746         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3747         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3748         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3749         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3750         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3751         numbers.
3752         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3753         "movsf"): Insn definitions removed.
3754         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3755         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3756         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3757         definitions added.
3758         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3759         "reload_in<mode>", "reload_out<mode>"): Expander added.
3760         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3761         Expander removed.
3762
3763 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3764
3765         * config/s390/s390.md: Only non-functional changes.  Renamed
3766         FPR mode macro to BFP all over the file.
3767
3768 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3769
3770         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3771         (op_type attribute): RRF instruction type added.
3772         (fT0): New mode attribute.
3773         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3774         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3775         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3776         no secondary memory is needed when moving DFmode values between GPRs
3777         and FPRs.
3778
3779 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3780
3781         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3782         inverted and documentation adjusted.
3783         ("mhard-dfp", "msoft-dfp"): New options.
3784         * config/s390/s390.c (s390_handle_arch_option): New architecture
3785         switch: z9-ec.
3786         (override_options): Sanity checks for the new options added.
3787         * config.gcc: New architecture switch: z9-ec.
3788         * config/s390/s390.h (processor_flags): PF_DFP added.
3789         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3790         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3791         when the bit is NOT set so remove it from the defaults.
3792
3793 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3794
3795         * genemit.c (main): Print include statement for dfp.h.
3796         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3797         is not available.
3798
3799 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3800
3801         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3802
3803 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3804
3805         PR target/31022
3806         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3807         instead of PATTERN.
3808
3809 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3810
3811         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3812         attr_length_call, output_call, output_indirect_call): Cleanup
3813         formatting of targetm calls.
3814
3815 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3816
3817         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3818
3819 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3820
3821         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3822         reservation, bypass and anti-bypass descriptions for these instructions.
3823         Update move patterns.
3824         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3825         TYPE_FPSTORE.
3826
3827 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3828
3829         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3830         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3831         (get_initial_def_for_reduction): Likewise.
3832
3833 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3834
3835         Fix PR tree-optimization/29922
3836         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3837         (get_representative): Removed.
3838         (value_dies_in_block_x): Update for rvuse removal.
3839         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3840         (compute_antic_aux): Handle when PHI nodes appear in
3841         non-single-successors.
3842         (dump_bitmap_of_names): Removed.
3843         (compute_antic_safe): Renamed and removed rvuse calculation.
3844         Calculate only antic safe.
3845         (insert_into_preds_of_block): Remove assert.
3846         (execute_pre): Update for renamed functions.
3847         (defer_or_phi_translate_block): New function.
3848
3849 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3850
3851         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3852         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3853         typos.
3854         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3855         Follow spelling conventions.
3856
3857         * tree-data-ref.h: Remove the prototype for analyze_array.
3858
3859 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3860
3861         PR tree-optimization/31041
3862         * tree-vect-transform.c (get_initial_def_for_induction): Call
3863         force_gimple_operand.
3864
3865 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3866
3867         * ipa-type-escape.c (look_for_casts) : Revert code to use
3868         handled_component_p due to ada test a-numaux.adb.
3869
3870 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3871
3872         * final.c (final_scan_insn): Alter the condition of a
3873         conditional trap if we have nonstandard CC.
3874
3875 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3876
3877         * configure.ac: Remove excess quoting from asm line 0 test.
3878         * configure: Rebuilt.
3879
3880 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3881
3882         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3883         * c-common.c (convert_and_check): Move warning logic to...
3884         (warnings_for_convert_and_check): ...here. Define.
3885         * c-common.h (warnings_for_convert_and_check): Declare.
3886
3887 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3888
3889         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3890         (output_call): Likewise.
3891
3892 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3893
3894         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3895
3896 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3897
3898         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3899
3900 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3901
3902         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3903         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3904
3905 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3906
3907         PR tree-optimization/31183
3908         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3909         Use double_int instead of unsigned int for representing access_strides.
3910         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3911
3912 2007-03-16  Richard Guenther  <rguenther@suse.de>
3913
3914         PR tree-optimization/31146
3915         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3916         to allow recursion of forward_propagate_addr_expr.
3917         (forward_propagate_addr_into_variable_array_index): Likewise.
3918         (forward_propagate_addr_expr): Likewise.
3919         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3920         (forward_propagate_addr_expr_1): Recurse on simple copies
3921         instead of propagating into them.  Do so for useless conversions
3922         as well.
3923         (forward_propagate_addr_expr): Clean up unused statements after
3924         recursion.
3925
3926 2007-03-16  Richard Guenther  <rguenther@suse.de>
3927
3928         * builtins.c (expand_builtin_cexpi): Use the right argument
3929         for the expansion via cexp.
3930
3931 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3932
3933         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3934         * configure: Rebuilt.
3935
3936 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3937
3938         PR debug/29906
3939         * dwarf2out.c (force_type_die): Adjust comment.
3940         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3941
3942 2007-03-15  DJ Delorie  <dj@redhat.com>
3943
3944         * config/frv/predicates.md (minmax_operator): Don't check operands
3945         here.
3946
3947 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3948
3949         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3950         Update constant estimates of number of iterations.
3951         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3952         argument renamed to "realistic".
3953         (compute_estimated_nb_iterations): Removed.
3954         (record_niter_bound): New function.
3955         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3956         call record_nonwrapping_iv with upper = false.
3957         (infer_loop_bounds_from_signedness): Pass upper argument to
3958         record_nonwrapping_iv.
3959         (estimate_numbers_of_iterations_loop): Do not call
3960         compute_estimated_nb_iterations.  Record estimate based on profile
3961         information.  Initialize the constant estimates of number of
3962         iterations.
3963         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3964         estimates.
3965         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3966         number of iterations is too small.
3967         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3968         (EST_NOT_AVAILABLE): Removed.
3969         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3970         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3971         fields.
3972
3973 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3974
3975         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3976         Handle NE_EXPR guards.
3977
3978 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3979
3980         PR c++/24924
3981         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3982         Set also -pedantic-errors by default for the  preprocessor unless
3983         -fpermissive is given.
3984
3985 2007-03-15  Richard Guenther  <rguenther@suse.de>
3986
3987         PR middle-end/29719
3988         PR middle-end/31161
3989         * builtins.c (expand_builtin_cexpi): As a fallback if we
3990         don't have builtins for sincos or cexp create a function
3991         declaration for cexp and expand to a call to that.
3992         (expand_builtin_int_roundingfn): Always fall
3993         back to floor/ceil and its variants even if they may be
3994         not available.
3995
3996 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3997
3998         PR middle-end/31159
3999         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4000         jump tables, move the call to delete_dead_jumptables from here...
4001         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4002         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4003         don't allow merging of blocks that try_redirect_by_replacing_jump
4004         also does not handle when not optimizing.
4005
4006 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4007             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4008
4009         * config/i386/i386.md (x86_sahf_1): Correctly handle
4010         HAVE_AS_IX86_SAHF.
4011
4012 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4013
4014         PR target/31167
4015         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4016         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4017         from operand constraints and use "e" constraint instead.
4018         (*subti3_1, *subti3_1 splitter): Ditto.
4019         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4020         operand[1] predicate.
4021
4022 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4023
4024         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4025         arrays, multiply the access strides by the size of the sub-array.
4026         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4027
4028 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4029
4030         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4031         the configured assembler supports the sahf mnemonic.
4032         * configure: Regenerate.
4033         * config.in: Regenerate.
4034
4035         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4036         emit "sahf" or ".byte\t0x9e" as asm template.
4037
4038 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4039
4040         PR 31018
4041         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4042         option to replace hard coded TARGET_xxx in md file.
4043         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4044         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4045         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4046         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4047         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4048         (X86_TUNE_NOT_VECTORMODE): Ditto.
4049         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4050         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4051         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4052         (TUNE_SLOW_IMUL_IMM8): Ditto.
4053         (TUNE_MOVE_M1_VIA_OR): Ditto.
4054         (TUNE_NOT_UNPAIRABLE): Ditto.
4055         (TUNE_NOT_VECTORMODE): Ditto.
4056
4057         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4058         options.
4059
4060         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4061         tuning options instead of hard coded TARGET_xxx.
4062         (fix ssemode peephole2's): Ditto.
4063         (imul peephole2's): Ditto.
4064         (movsi_or): Ditto.
4065         (movdi_or_rex64): Ditto.
4066         (move peephole2): Ditto.
4067         (not peephole2's): Ditto.
4068
4069 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4070
4071         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4072         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4073         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4074         of empty body.
4075         * c-parser.c (c_parser_do_statement): Warn about empty body in
4076         do/while statement.
4077         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4078         * doc/invoke.texi (-Wempty-body): Update documentation.
4079
4080 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4081
4082         PR c/21438
4083         * c-common.h (warn_for_div_by_zero): Declare.
4084         * c-common.c (warn_for_div_by_zero): Define.
4085         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4086         warning.
4087
4088 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4089
4090         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4091         to PREFIX and STANDARD_PREFIX.
4092
4093 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4094             Phil Edwards  <phil@codesourcery.com>
4095
4096         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4097         (__gthread_once_t): Remove busy field for RTPs.
4098         (__GTHREAD_ONCE_INIT): Update accordingly.
4099
4100 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4101
4102         * doc/invoke.texi: Document VxWorks options.
4103
4104 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4105
4106         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4107
4108 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4109
4110         PR tree-optimization/30590
4111         * tree-nrv.c (tree_nrv): Check for the partial update of the
4112         return value.
4113
4114 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4115
4116         * flags.h (flag_random_seed): Remove declaration, in favor of...
4117         * toplev.h (get_random_seed, set_random_seed): ... these.
4118         * tree.c (get_file_function_name): Use the former.
4119         * opts.c (common_handle_option): Use the latter.
4120         * toplev.c
4121
4122 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4123
4124         PR middle-end/31127
4125         * cse.c (cse_find_path): Do not bail out if a basic block that
4126         we already visited now becomes part of a path that starts at a
4127         different basic block.  Just disallow this, to make sure we
4128         visit each basic block at most once.
4129
4130 2007-03-13  Jan Hubicka  <jh@suse.cz>
4131
4132         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4133         when profile esitmate is present, calls with very low frequency are
4134         cold.
4135
4136 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4137
4138         PR tree-optimization/30730
4139         PR tree-optimization/26900
4140         * tree-ssa-loop-niter.c: Include gmp.h.
4141         (bounds): New type.
4142         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4143         split_to_var_and_offset, determine_value_range,
4144         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4145         bound_difference, bounds_add, bounds_negate,
4146         number_of_iterations_ne_max, dump_affine_iv): New functions.
4147         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4148         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4149         difference of initial and final value of control iv to validate
4150         results.
4151         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4152         on the difference of the extremes of the control iv.  Add dumps.
4153         (expand_simple_operations): Handle phi nodes.
4154         (simplify_using_initial_conditions): Do not record used conditions.
4155         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4156         Do not set additional_info.
4157         (implies_nonnegative_p, implies_ge_p): Removed.
4158         (derive_constant_upper_bound): Do not use parameter `additional'.
4159         (record_estimate): Parameter `additional' removed.  Parameter
4160         `i_bound' added.  Do not call derive_constant_upper_bound.
4161         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4162         bound the number of iterations estimate.
4163         (estimate_numbers_of_iterations_loop): Pass the estimate from
4164         the number of iterations analysis to record_estimate.
4165         * tree.h (multiple_of_p): Declare.
4166         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4167         (scev_const_prop): Do not check expression_expensive_p.
4168         * fold-const.c (multiple_of_p): Exported.
4169         * double-int.c (double_int_mask): Exported.
4170         * double-int.h (double_int_mask): Declare.
4171         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4172         field.  Added max field.
4173
4174 2007-03-13  David Taylor  <taylor@candd.org>
4175
4176         PR driver/12448:
4177         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4178         default -MQ.
4179
4180 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4181
4182         PR target/31123
4183         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4184         two unamed patterns.
4185
4186 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4187
4188         * config/i386/i386.opt (mcx16, msahf): New options.
4189         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4190         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4191
4192         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4193         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4194         Output -mcx16 and -msahf options when corresponding bit is set.
4195
4196         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4197         and -msahf options.
4198
4199 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4200
4201         * configure.ac: Test for assembler tolerance to # 0 "".
4202         * configure, config.in: Rebuilt.
4203         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4204
4205 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4206
4207         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4208
4209         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4210         (handle_syscall): Handle direct system calls.
4211         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4212
4213 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4214
4215         * doc/invoke.texi: Fix cpp.info cross-reference.
4216         * doc/passes.texi: Fix gcc.info cross-reference.
4217
4218 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4219
4220         PR tree-optimization/30835
4221         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4222         bb_for_stmt is not NULL before accessing it.
4223
4224 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4225
4226         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4227         some multilibs.
4228
4229 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4230
4231         PR 30635
4232         * doc/install.texi: Document --enable-stage1-languages
4233
4234 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4235
4236         * tree-pass.h (pass_into_cfg_layout_mode,
4237         pass_outof_cfg_layout_mode): Declare.
4238         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4239         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4240         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4241         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4242
4243 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4244
4245         * c-decl.c (warn_variable_length_array): New function.
4246         Refactored from grokdeclarator to handle warn_vla
4247         and handle unnamed array case.
4248         (grokdeclarator): Refactored VLA warning case.
4249         * c.opt (Wvla): New flag.
4250         * doc/invoke.texi (Wvla): New warning.
4251
4252 2007-03-12  Richard Henderson  <rth@redhat.com>
4253
4254         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4255         (TARGET_SECTION_TYPE_FLAGS): New.
4256
4257 2007-03-12  Richard Henderson  <rth@redhat.com>
4258
4259         * config/darwin.c (machopic_reloc_rw_mask): New.
4260         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4261         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4262
4263 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4264
4265         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4266         * cppdefault.h (cpp_PREFIX): Document.
4267         (cpp_PREFIX_len): Likewise.
4268         (cpp_EXEC_PREFIX): New variable.
4269         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4270         * c-incpath.c (add_standard_paths): Correct logic for relocating
4271         paths within prefix.
4272
4273 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4274
4275         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4276         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4277         mode macro.
4278         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4279         fix_truncdfdi_sse using SSEMODEF mode macro.
4280         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4281         fix_truncdfsi_sse using SSEMODEF mode macro.
4282         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4283         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4284
4285 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4286
4287         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4288         elfos.h to tm_file.
4289
4290 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4291
4292         * tree.h : Add multiple_of_p declaration.
4293         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4294         * ipa-type-escape.c (results_of_malloc): Redundant.
4295         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4296         (cast_type): Extended with new members.
4297         (check_cast): Returns cast_type.
4298         (cast): New structure for data of walk_use_def_chains.
4299         (is_malloc_result, is_cast_from_non_pointer_1,
4300         is_cast_from_non_pointer,
4301         is_array_access_through_pointer_and_index): New functions.
4302         (look_for_casts): Returns cast types.
4303         (check_call): Returns void.
4304         (okay_pointer_operation): Use support of pointer plus index,
4305         pointer plus constant and allow all multiplications.
4306
4307 2007-03-11  Richard Guenther  <rguenther@suse.de>
4308
4309         PR tree-optimization/31115
4310         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4311         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4312         A shift count of zero is not special as with *_DIV_EXPR.
4313         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4314         direction.
4315
4316 2007-03-11  Ian Lance Taylor  <iant@google.com>
4317
4318         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4319         the *_DIV_EXPR codes correctly with overflow infinities.
4320
4321 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4322
4323         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4324         indicate success/failure of the analysis. Add negation to subtrahend
4325         in case of subtraction. Fail if both operands contain constants.
4326         (create_data_ref): Fail if analyze_offset fails.
4327
4328 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4329
4330         * config/i386/i386.md (frndintxf2): Rename to ...
4331         (rintxf2): ... this. Remove expander having same name.
4332         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4333         (roundsf2, rounddf2): Ditto.
4334         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4335         (lround<mode>di2, lround<mode>si2): Ditto.
4336
4337 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4338
4339         * lower-subreg.c: Include except.h.
4340         (decompose_multiword_subregs): Verify that the only control flow
4341         insns we can split are loads to multi-words pseudos.
4342         Handle breaking such blocks after splitting, instead of calling
4343         find_many_sub_basic_blocks.
4344
4345         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4346         on the new basic block.  Add a lengthy comment explaining why we
4347         thought this was necessary.
4348         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4349
4350 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4351
4352         PR c++/30924
4353         * tree.c (walk_type_fields): Recurse into the element type of
4354         ARRAY_TYPEs if there is a pointer set.
4355
4356 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4357
4358         * c-common.c (warn_logical_operator): Fix condition.
4359
4360 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4361
4362         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4363         quotation mark.
4364         * config/darwin.c (machopic_select_section): Remove superfluous
4365         argument in call to categorize_decl_for_section.  Remove unused
4366         variable shlib.
4367
4368 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4369
4370         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4371         defined.
4372         * configure: Regenerate.
4373
4374 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4375
4376         PR target/31101
4377         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4378         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4379         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4380         Add LABEL_NUSES to emitted label.
4381         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4382         branch probability value to emitted jump insn.
4383         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4384         Do not check life information and do not re-arrange input operands
4385         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4386
4387 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4388
4389         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4390         the change of decode_asm_operands.
4391
4392 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4393
4394         * mode-switching.c (create_pre_exit): Skip blockage insn.
4395
4396 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4397
4398         * tree-pass.h (TODO_update_smt_usage): Remove.
4399         Update all users.
4400         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4401         argument SOME.
4402         Update all users.
4403
4404 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4405
4406         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4407         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4408         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4409         SOM target.
4410
4411 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4412
4413         * gcc.c: Document %{, in big comment at top.
4414         (input_suffix_matches): Remove special handling for .s and
4415         .S.
4416         (input_spec_matches): New.
4417         (handle_braces): Handle %{,.
4418         (validate_switches): ',' indicates a value which is not a switch.
4419         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4420         to detect assembler input.
4421         * config/i386/sol2.h (CPP_SPEC): Likewise.
4422         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4423         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4424         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4425         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4426         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4427         -m64 causes deployment target to default to 10.5.
4428         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4429
4430 2007-03-09  Richard Henderson  <rth@redhat.com>
4431
4432         PR target/26090
4433         * target.h (targetm.asm.out.reloc_rw_mask): New.
4434         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4435         (TARGET_ASM_OUT): Use it.
4436         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4437         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4438         use the new reloc_rw_mask target hook instead.
4439         (default_section_type_flags_1): Merge into...
4440         (default_section_type_flags): ... here.
4441         (decl_readonly_section_1): Merge into...
4442         (decl_readonly_section): ... here.
4443         (default_elf_select_section_1): Merge into...
4444         (default_elf_select_section): ... here.
4445         (default_unique_section_1): Merge into...
4446         (default_unique_section): ... here.
4447         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4448         (default_select_rtx_section): Use it.
4449         (default_elf_select_rtx_section): Likewise.
4450         * output.h: Update to match.
4451         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4452         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4453         (TARGET_ASM_RELOC_RW_MASK): New.
4454         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4455         to categorize_decl_for_section.
4456         (x86_64_elf_unique_section): Likewise.
4457         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4458         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4459         (TARGET_ASM_RELOC_RW_MASK): New.
4460         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4461         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4462         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4463         (TARGET_RWRELOC): Remove.
4464         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4465         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4466         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4467         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4468         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4469         (rs6000_xcoff_select_section): Use decl_readonly_section.
4470         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4471         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4472         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4473         (TARGET_SECTION_TYPE_FLAGS): Remove.
4474         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4475
4476 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4477
4478         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4479         complex constant equality/inequality comparisons for here.
4480         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4481         known at compile-time or can be simplified to a scalar comparison.
4482         (fold_relational_const): Move compile-time evaluation of complex
4483         constant equality/inequality comparisons to here.
4484
4485 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4486
4487         PR rtl-optimization/30643
4488         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4489         dest_addr_elt.
4490         (fold_rtx): Recurse, like before 2006-11-03.
4491
4492 2007-03-09  DJ Delorie  <dj@redhat.com>
4493
4494         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4495         m32c-pragma.o.
4496
4497 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4498
4499         PR tree-optimization/30375
4500         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4501         LHS of statements is not the same.
4502         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4503
4504 2007-03-09  Chao-ying Fu  <fu@mips.com>
4505
4506         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4507         REV 2.
4508         * doc/invoke.texi (-mdspr2): Document new option.
4509         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4510         New unspec for DSP REV 2.
4511         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4512         these instructions are extended in DSP REV 2.
4513         (mips-dspr2.md): Include.
4514         * config/mips/mips.opt (mdspr2): New option.
4515         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4516         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4517         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4518         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4519         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4520         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4521         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4522         and 2 builtins.
4523         (bdesc_map): Add one field of unsupported_target_flags.
4524         (bdesc_arrays):  Update entries to have extra fields.  Add
4525         dsp_32only_bdesc.
4526         (mips_init_builtins): Initialize new function types.
4527         Check unsupported_target_fileds to filter out builtins.
4528         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4529         TARGET_DSPR2.
4530         (ASM_SPEC): Pass mdspr2 to the assembler.
4531         * config/mips/mips-dspr2.md: New file.
4532
4533 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4534
4535         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4536
4537 2007-03-09  Ian Lance Taylor  <iant@google.com>
4538
4539         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4540         argument) like -Wstrict-overflow=2.
4541         * doc/invoke.texi (Warning Options): Update documentation.
4542
4543 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4544
4545         PR c++/17946
4546         * doc/invoke.texi (-Wlogical-op): Document.
4547         * common.opt (-Wlogical-op): New.
4548         * c-common.h (warn_logical_operator): Declare.
4549         * c-common.c (warn_logical_operator): Define.
4550         * c-typeck.c (parser_build_binary_op): Call
4551         warn_logical_operator.
4552
4553 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4554
4555         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4556         * final.c (final_scan_insn): Test for non-"" file name.
4557
4558 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4559
4560         * doc/loop.texi: Document the Omega linear constraints solver.
4561         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4562         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4563         omega-hash-table-size, omega-max-keys, and
4564         omega-eliminate-redundant-constraints.
4565         * tree-pass.h (pass_check_data_deps): Declared.
4566         * omega.c: New.
4567         * omega.h: New.
4568         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4569         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4570         pass_check_data_deps): New.
4571         * tree-data-ref.c (init_data_ref): Remove declaration.
4572         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4573         (analyze_array): Renamed init_array_ref, move up initializations.
4574         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4575         Removed arguments that are set to NULL.
4576         (analyze_indirect_ref): Correct indentation, correct call to
4577         init_pointer_ref.
4578         (object_analysis): Call init_array_ref instead of analyze_array.
4579         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4580         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4581         of DR_ACCESS_FNS_ADDR.
4582         (init_omega_eq_with_af, omega_extract_distance_vectors,
4583         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4584         ddr_consistent_p): New.
4585         (compute_affine_dependence): Check consistency of ddrs when
4586         flag_check_data_deps is passed.
4587         (analyze_all_data_dependences): Uncomment.
4588         (tree_check_data_deps): New.
4589         * tree-data-ref.h: Include omega.h.
4590         (DR_ACCESS_FNS_ADDR): Removed.
4591         (data_dependence_relation): Add inner_loop.
4592         (DDR_INNER_LOOP): New.
4593         * common.opt (fcheck-data-deps): New.
4594         * tree-flow.h (tree_check_data_deps): Declare.
4595         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4596         (OBJS-common): Depend on omega.o.
4597         (omega.o): Define.
4598         * passes.c (pass_check_data_deps): Scheduled.
4599         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4600         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4601         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4602         PARAM_VECT_MAX_VERSION_CHECKS,
4603         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4604
4605 2007-03-09  Richard Guenther  <rguenther@suse.de>
4606
4607         PR tree-optimization/30904
4608         PR middle-end/31058
4609         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4610         the same way as *_DIV_EXPR.
4611
4612 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4613
4614         * recog.c (decode_asm_operands): No mixed declarations and code.
4615
4616 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4617
4618         * rtl.def (ASM_INPUT): Add location.
4619         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4620         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4621         (decode_asm_operands): Add loc operand.
4622         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4623         * stmt.c (expand_asm): Rename to...
4624         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4625         gen_rtx_ASM_INPUT_loc.
4626         (expand_asm_expr): Adjust.
4627         * recog.c (decode_asm_operands): Add loc operand.
4628         (check_asm_operands, extract_insn): Adjust.
4629         * reload1.c (maybe_fix_stack_asms): Likewise.
4630         * final.c (asm_insn_count): Likewise.
4631         (final_scan_insn): Output # line before and after asm.
4632
4633 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4634
4635         * tree-ssa-structalias.c (variable_info): Remove
4636         finished_solution.
4637         (new_var_info): Ditto.
4638         (shared_bitmap_info_t): New structure.
4639         (shared_bitmap_table): New variable.
4640         (shared_bitmap_hash): New function.
4641         (shared_bitmap_eq): Ditto
4642         (shared_bitmap_lookup): Ditto.
4643         (shared_bitmap_add): Ditto.
4644         (merge_smts_into): Change to take bitmap directly.
4645         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4646         (init_alias_vars): Init shared bitmap hashtable.
4647         (delete_points_to_sets): Delete shared bitmap hashtable.
4648         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4649         is_aliased removal as a change that was still necessary was
4650         deleted.
4651
4652 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4653
4654         * config/i386/i386.h (override_options): Conditionally disable
4655         x86_sahf for 64bit targets only.
4656
4657 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4658
4659         PR C/31072
4660         * c-decl.c (merge_decls): Don't call make_var_volatile.
4661         * varasm.c (make_var_volatile): Remove.
4662         * output.h (make_var_volatile): Remove.
4663
4664 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4665
4666         PR tree-optimization/31085
4667         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4668
4669 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4670
4671         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4672         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4673         ATTR_CONST_NOTHROW_LIST.
4674
4675         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4676         FIX_TRUNC_EXPR.
4677
4678 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4679
4680         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4681
4682 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4683
4684         PR 31013
4685         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4686         is declared.
4687         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4688         passed, use shared libgcc.
4689
4690 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4691
4692         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4693         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4694         (honor_protect_cleanup_actions, lower_try_finally_switch):
4695         Likewise.
4696         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4697         ifc_temp_var): Likewise.
4698         * tree-inline.c (setup_one_parameter): Likewise.
4699         * tree-mudflap.c (mf_decl_cache_locals,
4700         mf_build_check_statement_for): Likewise.
4701         * tree-nested.c (init_tmp_var, save_tmp_var,
4702         finalize_nesting_tree_1): Likewise.
4703         * tree-outof-ssa.c (insert_copy_on_edge,
4704         insert_backedge_copies): Likewise.
4705         * tree-profile.c (tree_gen_edge_profiler,
4706         tree_gen_ic_profiler): Likewise.
4707         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4708         * tree-sra.c (sra_build_assignment): Likewise.
4709         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4710         * tree-ssa-math-opts.c (insert_reciprocals,
4711         execute_cse_sincos_1): Likewise.
4712         * tree-tailcall.c (adjust_accumulator_values,
4713         adjust_return_value): Likewise.
4714         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4715         * tree-vect-transform.c (vect_create_data_ref_ptr,
4716         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4717         vect_create_epilog_for_reduction, vectorizable_reduction,
4718         vectorizable_call, vectorizable_conversion,
4719         vectorizable_assignment, vectorizable_operation,
4720         vectorizable_type_demotion, vect_gen_widened_results_half,
4721         vect_permute_store_chain, vectorizable_store,
4722         vect_setup_realignment, vect_permute_load_chain,
4723         vectorizable_load, vectorizable_condition,
4724         vect_create_cond_for_align_checks): Likewise.
4725         * tree-vrp.c (build_assert_expr_for): Likewise.
4726
4727 2007-03-08  Ian Lance Taylor  <iant@google.com>
4728
4729         * tree-vrp.c: Include "intl.h".
4730         (usable_range_p): New static function.
4731         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4732         overflowed values, juts set *strict_overflow_p.
4733         (compare_values): Only return -2 if one of the operands is not a
4734         constant.
4735         (compare_ranges): Call usable_range_p.
4736         (compare_range_with_value): Likewise.
4737         (vrp_evaluate_conditional_warnv): Rename from
4738         vrp_evaluate_conditional.  Make static.  Change all callers.
4739         (vrp_evaluate_conditional): New function.
4740         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4741         on signed overflow.
4742         (simplify_abs_using_ranges): Likewise.
4743         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4744         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4745         within_stmt parameter.
4746         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4747         vrp_evaluate_conditional.
4748         * tree-ssa-threadedge.c
4749         (record_temporary_equivalences_from_stmts_at_dest): Change
4750         simplify parameter to take a second tree parameter.
4751         (simplify_control_stmt_condition): Likewise.
4752         (thread_across_edge): Likewise.
4753         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4754         (thread_across_edge): Likewise.
4755         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4756
4757 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4758
4759         * config/i386/i386.h (TARGET_SAHF): New define.
4760         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4761         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4762         (x86_sahf): New global variable.
4763         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4764         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4765         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4766         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4767         for 64-bit.
4768         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4769         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4770         when expanding fcomi/sahf based tests.
4771         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4772         expanding sahf based alternative. Emit sahf based sequence when
4773         optimizing for code size.
4774         * config/i386/i386.md (x86_sahf_1): Do not disable for
4775         TARGET_64BIT, enable for TARGET_SAHF.
4776
4777 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4778
4779         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4780         spurious whitespace from error message.
4781
4782 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4783
4784         PR c++/30852
4785         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4786
4787 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4788
4789         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4790         bitfields.
4791         * tree-sra.c (instantiate_element): Propagate disabled warnings
4792         from the element itself to the created variable.
4793
4794 2007-03-07  Richard Henderson  <rth@redhat.com>
4795
4796         PR target/30848
4797         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4798         silently fix up the stack in the case of a missing register.
4799
4800 2007-03-07  Paul Brook  <paul@codesourcery.com>
4801
4802         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4803
4804 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4805
4806         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4807         New.
4808         (phase1_vrs): Use them.
4809         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4810         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4811         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4812         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4813         __gnu_Unwind_Restore_WMMXC if required.
4814         (_Unwind_VRS_Pop): Implement iWMMXt support.
4815         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4816         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4817         gnu_Unwind_Save_WMMXC): Define.
4818
4819 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4820
4821         * config/vxworks.h (vxworks_override_options): Declare.
4822         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4823         * config/vxworks.c: Include target.h and toplev.h.
4824         (vxworks_override_options): New function.
4825         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4826
4827 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4828
4829         * config/s390/s390.c (override_options): Don't emit an error when
4830         -mstack-size is used without providing -mstack-guard.
4831         (s390_emit_prologue): Choose stack_guard value automatically if not
4832         provided via command line.
4833         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4834
4835 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4836
4837         * config/i386/i386.c (output_set_got): Add a GOT initialization
4838         sequence for VxWorks PIC.
4839         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4840         around labels as well as symbols.  Use gotoff_operand instead
4841         of local_symbolic_operand.
4842         (legitimize_pic_address): Use gotoff_operand instead of
4843         local_symbolic_operand.  Use @GOT accesses for labels as
4844         well as symbols.
4845         (ix86_output_addr_diff_elt): Use PC-relative rather than
4846         GP-relative offsets for VxWorks PIC.
4847         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4848         no_new_pseudos.  Check whether the returned register is op0.
4849         * config/i386/i386.md (tablejump): Use PC-relative rather than
4850         GP-relative offsets for VxWorks PIC.
4851         * config/i386/predicates.md (gotoff_operand): New predicate.
4852
4853 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4854
4855         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4856         before defining.
4857         * config/vxworks-dummy.h: New file.
4858         * config/i386/i386.h: Include it.
4859
4860 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4861
4862         * dwarf2out.c (is_inlined_entry_point): New
4863         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4864         DW_AT_ranges if the first subblock is the entry point.
4865
4866 2007-03-06  David Daney  <ddaney@avtrex.com>
4867
4868         * doc/install.texi (mips-*-*): Change recommended binutils
4869         version.
4870
4871 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4872
4873         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4874         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4875         devices.
4876         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4877         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4878
4879 2007-03-06  Jan Hubicka  <jh@suse.cz>
4880
4881         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4882         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4883         are hot.
4884         (probably_cold_bb_p): Cold functions are cold.
4885         (probably_never_executed_bb_p): Cold functions are cold.
4886         (tree_bb_level_predictions): Predict calls to cold functions as not
4887         taken.
4888         (compute_function_frequency): Check hot/cold attributes.
4889         * function.h (function_frequency): Update comments.
4890         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4891         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4892         (c_common_att): Add cold and hot.
4893
4894         * doc/extend.texi (hot,cold attributes): Document.
4895
4896 2007-03-06  Andrew Haley  <aph@redhat.com>
4897
4898         * function.c (expand_function_end): Move blockage to just after we
4899         emit the label for the naked return from the function.
4900
4901 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4902
4903         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4904         before redefining.
4905
4906 2007-03-06  Jan Hubicka  <jh@suse.cz>
4907
4908         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4909         loaded for constant large models.  Non-large 64bit PIC can do.
4910         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4911         * cmodel.h: Add LARGE PIC.
4912         * i386.md (UNSPEC_PLTOFF): New.
4913         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4914         needed.
4915         (*call_1_rex64): Disable for large models.
4916         (*call_1_rex64_large): New.
4917         (*call_value_1_rex64): Disable for large models.
4918         (*call_value_1_rex64_large): New.
4919         (set_rip_rex4): New.
4920         (set_got_offset_rex64): New.
4921         * predicates.md (constant_call_address_operand): For large model
4922         constant calls are not possible.
4923         * i386-protos.h (construct_plt_address): Declare.
4924         * i386.c (override_options): Accept large models.
4925         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4926         (legitimate_constant_p): Add new UNSPECs.
4927         (legitimate_pic_operand_p): Likewise.
4928         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4929         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4930         non-large model.
4931         (output_pic_addr_const): Add PLTOFF.
4932         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4933         (ix86_expand_move): Legitimize pic address when in PIC mode.
4934         (construct_plt_address): New function.
4935         (ix86_expand_call): Offload the address to register and use GOT pointer
4936         for large model.
4937         * invoke.texi (mcmodel=large): Update documentation.
4938
4939 2007-03-06  Richard Henderson  <rth@redhat.com>
4940
4941         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4942         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4943         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4944         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4945         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4946         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4947         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4948         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4949         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4950         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4951         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4952         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4953         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4954         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4955         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4956         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4957         x86_schedule, x86_use_bt, x86_pad_returns,
4958         x86_use_xchgb): Merge into ...
4959         (ix86_tune_features): ... here.  New array.
4960         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4961         x86_bswap): Merge into ...
4962         (ix86_arch_features): ... here.  New array.
4963         (x86_3dnow_a): Remove.
4964         (x86_accumulate_outgoing_args): Make static.
4965         (x86_arch_always_fancy_math_387): Make static.
4966         (ix86_tune_mask, ix86_arch_mask): Move ...
4967         (override_options): ... to local variables here.  Apply the
4968         appropriate mask to each element of ix86_arch_features and
4969         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4970         as were done in the old macros.
4971         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4972         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4973         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4974         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4975         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4976         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4977         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4978         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4979         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4980         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4981         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4982         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4983         x86_accumulate_outgoing_args, x86_prologue_using_move,
4984         x86_epilogue_using_move, x86_decompose_lea,
4985         x86_arch_always_fancy_math_387, x86_shift1,
4986         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4987         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4988         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4989         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4990         x86_use_incdec, x86_pad_returns, x86_bswap,
4991         x86_partial_flag_reg_stall): Remove.
4992         (enum ix86_tune_indices): New.
4993         (ix86_tune_features): New.
4994         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4995         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4996         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4997         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4998         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4999         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5000         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5001         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5002         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5003         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5004         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5005         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5006         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5007         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5008         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5009         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5010         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5011         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5012         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5013         TARGET_EXT_80387_CONSTANTS): Use it.
5014         (enum ix86_arch_indices): New.
5015         (ix86_arch_features): New.
5016         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5017         TARGET_BSWAP): Use it.
5018         (ix86_tune_mask, ix86_arch_mask): Remove.
5019
5020 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5021
5022         PR bootstrap/31020
5023         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5024         Define using $${sysroot_headers_suffix}.
5025         * configure: Regenerate.
5026         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5027         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5028         defined.
5029         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5030         * gcc.c (print_sysroot_headers_suffix): New.
5031         (option_map): Include --print-sysroot-headers-suffix.
5032         (display_help): Mention -print-sysroot-headers-suffix.
5033         (process_command): Handle -print-sysroot-headers-suffix.
5034         (do_spec_1): Append multilib directory to include-fixed path if
5035         sysroot suffixes in use.
5036         (main): Handle -print-sysroot-headers-suffix.
5037         * Makefile.in (start.encap): Don't depend on xlimits.h
5038         (xlimits.h): Remove.
5039         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5040         limits.h for each multilib in fixinc_list.
5041         (fixinc_list, s-fixinc_list): New.
5042         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5043         generate them for each multilib in fixinc_list.
5044         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5045         multilib in fixinc_list.
5046         (mostlyclean): Don't remove xlimits.h.
5047         (clean): Remove include-fixed.
5048         (real-install-headers-tar, real-install-headers-cpio,
5049         real-install-headers-cp): Don't copy include, only include-fixed.
5050         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5051         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5052         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5053         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5054
5055 2007-03-06  Jan Hubicka  <jh@suse.cz>
5056
5057         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5058         NANs easilly.
5059
5060 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5061
5062         * configure.ac: Allow tm_file to contain build-directory files.
5063         * configure: Regenerate.
5064         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5065         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5066         * config/m68k/print-sysroot-suffix.sh: New file.
5067
5068 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5069
5070         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5071         of pic_offset_table_rtx if reload_completed.
5072         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5073         PIC_OFFSET_TABLE_REGNUM.
5074         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5075         return true.
5076         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5077         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5078
5079 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5080
5081         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5082         functions that call eh_return.
5083
5084 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5085
5086         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5087         functions that need a constant pool.
5088
5089 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5090
5091         PR target/28181
5092         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5093         (m68k_preferred_reload_class): Likewise.
5094         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5095         (SECONDARY_RELOAD_CLASS): Define.
5096         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5097         (LIMIT_RELOAD_CLASS): Delete.
5098         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5099         registers from storing bytes.
5100         (m68k_secondary_reload_class): New function.
5101         (m68k_preferred_reload_class): Likewise.
5102
5103 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5104
5105         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5106         leaf functions.
5107         (m68k_expand_prologue): Likewise.
5108
5109 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5110
5111         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5112         (mips_expand_epilogue): Add a bool parameter.
5113         (m68k_legitimize_sibcall_address): Declare.
5114         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5115         (m68k_expand_epilogue): Add a parameter to select between sibling
5116         and normal epilogues.  Only generate a return for the latter.
5117         (m68k_ok_for_sibcall_p): New function.
5118         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5119         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5120         (sibcall_value, *sibcall_value): Likewise.
5121         (*call, *call_value): Require !SIBLING_CALL_P.
5122         (epilogue): Update call to m68k_expand_epilogue.
5123         (sibcall_epilogue): New pattern.
5124         * config/m68k/predicates.md (const_call_operand): Say that this
5125         predicate applies to sibling calls too.
5126         (sibcall_operand): New predicate.
5127
5128 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5129
5130         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5131         alternatives as movsi_cf.
5132         (movsf_cf_hard): Add commentary.
5133
5134 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5135             Richard Sandiford  <richard@codesourcery.com>
5136
5137         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5138         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5139         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5140         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5141         as being live on exit from an interrupt function.
5142         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5143         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5144         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5145         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5146         (m68k_interrupt_function_p): Globalize.
5147         (m68k_compute_frame_layout): Remove reverse mask code.
5148         (m68k_emit_movem, m68k_set_frame_related): New functions.
5149         (m68k_output_function_prologue): Delete in favor of...
5150         (m68k_expand_prologue): ...this new function.
5151         (m68k_output_function_epilogue): Delete in favor of...
5152         (m68k_expand_epilogue): ...this new function.
5153         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5154         functions.
5155         (print_operand): Handle %?.
5156         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5157         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5158         (prologue, epilogue): New patterns.
5159         (return): Turn into a define_expand.
5160         (*return): New pattern, derived from old "return" pattern.  Use rte
5161         rather than rts for interrupt functions.  Only use rtd if the pop
5162         count is nonzero.
5163         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5164         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5165         (link, *link, unlink, *unlink, load_got): Likewise.
5166
5167 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5168
5169         PR target/23482
5170         PR target/17114
5171         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5172         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5173         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5174         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5175         and m68k_matches_u_p.
5176         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5177         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5178         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5179         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5180         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5181         (REG_STRICT_P): New macro.
5182         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5183         PCREL_GENERAL_OPERAND_OK.
5184         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5185         m68k_legitimate_base_reg_p.
5186         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5187         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5188         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5189         * config/m68k/m68k.c (m68k_address): New structure.
5190         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5191         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5192         (m68k_jump_table_ref_p, m68k_decompose_address)
5193         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5194         (m68k_matches_u_p): New functions.
5195         (print_operand_address): Rewrite to use m68k_decompose_index.
5196
5197 2007-03-05  David Taylor  <dtaylor@emc.com>
5198
5199         * gcc.c: Correct copyright date in --version output.
5200
5201 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5202
5203         * pa.md: In unamed move patterns, disparge copies between general
5204         and floating point registers using '?' modifier.  Don't include 'f'
5205         constraint for register preferences in DImode, SImode, HImode and
5206         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5207         Remove constraints for copies between general and floating registers
5208         in soft-float DFmode pattern.
5209         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5210         floating register.
5211         (movsf): Likewise.
5212
5213 2007-03-05  Mike Stump  <mrs@apple.com>
5214
5215         * c-common.c (targetcm): Add.
5216         * c-opts.c (c_common_handle_option): Handle language specific
5217         target options.
5218         * opts.c (handle_option): Verify language for target options, if
5219         any are given.
5220         * opth-gen.awk: Add CL_LANG_ALL.
5221         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5222         (TARGETCM_INITIALIZER): Add.
5223         * target.h (struct gcc_targetcm): Add.
5224         (targetcm): Add.
5225         * targhooks.c (default_handle_c_option): Add.
5226         * targhooks.h (default_handle_c_option): Add.
5227         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5228
5229         * config/darwin.opt (iframework): Add.
5230         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5231         * config/darwin-c.c (handle_c_option): Add.
5232         (TARGET_HANDLE_C_OPTION): Add.
5233         (targetcm): Add.
5234         * doc/invoke.texi (Darwin Options): Add -iframework.
5235
5236 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5237
5238         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5239         conversion.
5240
5241 2007-03-05  Ian Lance Taylor  <iant@google.com>
5242
5243         * c.opt (fgnu89-inline): New option.
5244         * c-opts.c (c_common_post_options): Set default value for
5245         flag_gnu89_inline.
5246         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5247         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5248         inline functions.
5249         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5250         (grokdeclarator, start_function): Likewise.
5251         * c-cppbuiltin.c (c_cpp_builtins): Define either
5252         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5253         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5254         (C Dialect Options): Document -fgnu89-inline.
5255         * doc/extend.texi (Function Attributes): Explain what the
5256         gnu_inline attribute does.
5257         * doc/cpp.texi (Common Predefined Macros): Document
5258         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5259
5260 2007-03-05  Ian Lance Taylor  <iant@google.com>
5261
5262         PR tree-optimization/31034
5263         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5264         half-range if the other side is an overflow infinity.
5265
5266 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5267
5268         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5269         (bfin*-linux-uclibc*): New configuration.
5270         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5271         defining.
5272         * config/bfin/linux.h: New file.
5273         * config/bfin/libgcc-bfin.ver: New file.
5274         * config/bfin/t-bfin-uclinux: New file.
5275         * config/bfin/t-bfin-linux: New file.
5276         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5277         (TARGET_OS_CPP_BUILTINS): New macro.
5278
5279 2007-03-05  Richard Guenther  <rguenther@suse.de>
5280
5281         * fold-const.c (fold_binary): Remove duplicate folding
5282         of comparison of non-null ADDR_EXPR against null.
5283
5284 2007-03-05  Richard Guenther  <rguenther@suse.de>
5285             Dorit Nuzman  <dorit@il.ibm.com>
5286
5287         PR tree-optimization/26420
5288         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5289         are no loops in the function.  Only print the number of
5290         vectorized loops if it is greater than zero or we are supposed
5291         to print information about unvectorized loops.
5292
5293 2007-03-05  Revital Eres  <eres@il.ibm.com>
5294
5295         * gcc.dg/var-expand1.c: New test.
5296         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5297         when an accumulator is expanded.
5298
5299 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5300
5301         PR other/30465
5302         * c-common.c (convert_and_check): Don't give warnings for
5303         conversion if 'expr' already overflowed.
5304
5305 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5306
5307         PR middle-end/30744
5308         * fold-const.c (fold_comparison): Enforce type consistency when
5309         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5310
5311 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5312
5313         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5314         containing a cast to the base of TARGET_MEM_REF.
5315
5316 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5317
5318         * tree.c (tree_contains_struct_check_failed): Remove spurious
5319         whitespace from error message.
5320
5321 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5322
5323         PR target/30406
5324         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5325         instead of precision.
5326
5327 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5328             Nathan Sidwell  <nathan@codesourcery.com>
5329
5330         * emit-rtl.c (find_auto_inc): New.
5331         (try_split): recreate REG_INC notes,
5332         Use regular for loops rather than whiles.
5333
5334 2007-03-03  Andreas Schwab  <schwab@suse.de>
5335
5336         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5337         * configure: Regenerate.
5338
5339 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5340
5341         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5342         flag_rounding_math, not flag_unsafe_math_optimizations.
5343
5344         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5345         fold_build2.
5346         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5347         alpha_fold_vector_minmax): Likewise.
5348         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5349         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5350
5351 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5352
5353         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5354         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5355         if the lhs has side-effects.
5356         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5357
5358 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5359
5360         * config/i386/i386.h (TUNEMASK): Remove define.
5361         (ARCHMASK): Remove define.
5362         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5363          Use ix86_arch_mask variable instead of ARCHMASK.
5364         * config/i386/i386.c (override_options): Ditto.
5365         (standard_80387_constant_p): Ditto.
5366
5367 2007-03-02  Ian Lance Taylor  <iant@google.com>
5368
5369         Used signed infinities in VRP.
5370         * tree-vrp.c (uses_overflow_infinity): New static function.
5371         (supports_overflow_infinity): New static function.
5372         (make_overflow_infinity): New static function.
5373         (negative_overflow_infinity): New static function.
5374         (positive_overflow_infinity): New static function.
5375         (is_negative_overflow_infinity): New static function.
5376         (is_positive_overflow_infinity): New static function.
5377         (is_overflow_infinity): New static function.
5378         (overflow_infinity_range_p): New static function.
5379         (compare_values_warnv): New function split out of compare_values.
5380         (compare_value): Call it.
5381         (set_value_range_to_nonnegative): Add overflow_infinity
5382         parameter.  Change caller.
5383         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5384         Change callers.
5385         (vrp_expr_computes_nonzero): Likewise.
5386         (compare_ranges, compare_range_with_value): Likewise.
5387         (compare_name_with_value, compare_names): Likewise.
5388         (vrp_evaluate_conditional): Likewise.
5389         (set_value_range): Handle infinity
5390         (vrp_operand_equal_p, operand_less_p): Likewise.
5391         (extract_range_from_assert): Likewise.
5392         (vrp_int_const_binop): Likewise.
5393         (extract_range_from_binary_expr): Likewise.
5394         (extract_range_from_unary_expr): Likewise.
5395         (extract_range_from_comparison): Likewise.
5396         (extract_range_from_expr): Likewise.
5397         (dump_value_range): Likewise.
5398         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5399         (test_for_singularity): Likewise.
5400         (vrp_int_const_binop): Remove inline qualifier.
5401         (adjust_range_with_scev): Add comment.
5402         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5403
5404 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5405
5406         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5407         (get_constraint_for): Likewise.
5408         (do_structure_copy): Likewise.
5409         (find_func_aliases): Fix references to MODIFY_EXPR.
5410         (intra_create_variable_infos): Tidy.
5411         * tree-ssa-operands.c (add_virtual_operand): Add argument
5412         IS_CALL_SITE.
5413         When adding members of alias sets, if IS_CALL_SITE is true and
5414         the symbol is not call-clobbered, skip it.
5415         Adjust all callers.
5416
5417 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5418
5419         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5420         entry by means of emit_insn_at_entry.
5421
5422 2007-03-02  Richard Henderson  <rth@redhat.com>
5423
5424         * expr.h (promoted_input_arg): Remove decl.
5425         * function.c (promoted_input_arg): Merge into ...
5426         * combine.c (setup_incoming_promotions): ... only caller.
5427         Rearrange to avoid double loop.
5428
5429 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5430             Peter Bergner  <bergner@vnet.ibm.com>
5431             Janis Johnson  <janis187@us.ibm.com>
5432
5433         * config/rs6000/dfp.md: New file.
5434         * config/rs6000/rs6000.md: Include dfp.md.
5435         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5436         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5437         and TDmode decimal float modes in FP registers.
5438         (num_insns_constant): Likewise.
5439         (rs6000_legitimate_offset_address_p): Likewise.
5440         (rs6000_legitimize_address): Likewise.
5441         (rs6000_legitimize_reload_address): Likewise.
5442         (rs6000_legitimate_address): Likewise.
5443         (rs6000_emit_move): Likewise.
5444         (function_arg_boundary): Likewise.
5445         (function_arg_advance): Likewise.
5446         (rs6000_darwin64_record_arg_recurse): Likewise.
5447         (function_arg): Likewise.
5448         (rs6000_gimplify_va_arg): Likewise.
5449         (rs6000_split_multireg_move): Likewise.
5450         (rs6000_output_function_epilogue): Likewise.
5451         (rs6000_output_function_epilogue): Likewise.
5452         (rs6000_register_move_cost): Likewise.
5453         (rs6000_function_value): Likewise.
5454         (rs6000_libcall_value): Likewise.
5455
5456 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5457
5458         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5459
5460 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5461
5462         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5463         Use $MULTIDIR to choose between the kernel and RTP headers,
5464         and use $WIND_BASE and $WIND_USR to locate them.
5465
5466 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5467
5468         * config/i386/i386.c (override_options): Put initialization of
5469         ix86_tune_mask and ix86_arch_mask to the correct place.
5470
5471 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5472             Michael Meissner  <michael.meissner@amd.com>
5473
5474         PR target/31019
5475         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5476         (ARCHMASK): Define.
5477         (TARGET_CMOVE): Use ARCHMASK.
5478         (TARGET_CMPXCHG): Ditto.
5479         (TARGET_CMPXCHG8B): Ditto.
5480         (TARGET_XADD): Ditto.
5481         (TARGET_BSWAP): Ditto.
5482         * config/i386/i386.c (ix86_tune_mask): New global variable.
5483         (ix86_arch_mask): Ditto.
5484         (override_options): Initialize ix86_tune_mask and
5485         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5486         target_flags.
5487
5488 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5489
5490         PR 30992
5491         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5492
5493 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5494
5495         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5496         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5497         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5498         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5499         hook.
5500         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5501         rs6000_init_dwarf_reg_sizes_extra): New.
5502         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5503         SPE register high parts.
5504
5505 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5506
5507         * Makefile.in: Add install-pdf target as
5508         copied from automake v1.10 rules.
5509         * configure.ac: Add install-pdf to target list.
5510         * configure: Regenerate.
5511
5512 2007-03-01  Paul Brook  <paul@codesourcery.com>
5513
5514         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5515         modes to LDRD for DImode.
5516         (output_move_double): Fixup out of range ldrd/strd.
5517         (vfp_secondary_reload_class): Rename...
5518         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5519         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5520         coproc_secondary_reload_class for CLASS_IWMMXT.
5521         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5522         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5523
5524 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5525
5526         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5527         factor by the estimated number of iterations.
5528         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5529         prefetch latency.
5530
5531         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5532         decode_caches_intel, detect_caches_intel): New functions.
5533         (host_detect_local_cpu): Use detect_caches_amd and
5534         detect_caches_intel.
5535
5536 2007-03-01  Richard Henderson  <rth@redhat.com>
5537
5538         * expr.c (emit_move_complex_push): Export.
5539         (emit_move_complex_parts): Split out from ...
5540         (emit_move_complex): ... here.
5541         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5542         * config/i386/i386.md (movcdi): New.
5543
5544 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5545
5546         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5547         size of mode1 to check for tieable modes in MMX case.
5548
5549 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5550
5551         * Makefile.in (rtlanal.o): Depend on tree.h.
5552         * rtl.h (offset_within_section_p, split_const): Declare.
5553         * rtlanal.c: Include tree.h.
5554         (offset_within_block_p): New function, taken from
5555         mips_offset_within_object_p.
5556         (split_const): New function, taken from mips_split_const.
5557         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5558         Declare.
5559         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5560         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5561         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5562         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5563         (m68k_illegitimate_symbolic_constant_p): New function.
5564         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5565         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5566         symbolic constant that might be outside the symbol's section,
5567         move the symbol first and then add the offset.
5568         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5569         Override.
5570         * config/mips/mips.c (mips_split_const): Delete.
5571         (mips_offset_within_object_p): Delete.
5572         (mips_symbolic_constant_p): Use offset_within_section_p and
5573         split_const instead of mips_offset_within_object_p and
5574         mips_split_const.
5575         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5576         (mips_legitimize_const_move, print_operand_reloc)
5577         (mips_dangerous_for_la25_p): Use split_const instead of
5578         mips_split_const.
5579
5580 2007-02-28  Eric Christopher  <echristo@apple.com>
5581
5582         * Makefile.in (install-include-dir): Don't rm -rf include.
5583
5584 2007-02-28  Richard Guenther  <rguenther@suse.de>
5585
5586         PR middle-end/30364
5587         * fold-const.c (fold_binary): Do not associate expressions
5588         with more than one variable for integer types that do not wrap.
5589
5590 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5591
5592         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5593         Delete, and replace with...
5594         (fold_builtin_call_array): This.  Update callers to use it.
5595         * fold-const.c (fold_build_call_list): Delete, and replace with...
5596         (fold_build_call_array): This.
5597         (fold_build_call_list_initializer): Delete, and replace with...
5598         (fold_build_call_array_initializer): This.
5599         * tree.h: Update declarations to reflect above changes.
5600
5601         * c-typeck.c (build_function_call): Store converted arguments
5602         in a stack-allocated array instead of building a list.
5603         (convert_arguments): Store arguments in the array passed in as an
5604         argument, and return the actual number of arguments.
5605         * c-format.c: (check_function_format): Pass arguments in an
5606         array instead of a list.
5607         * c-common.c (check_function_nonnull): Likewise.
5608         (check_function_sentinel): Likewise.
5609         (check_function_arguments): Likewise.
5610         * c-common.h: Update declarations to reflect above changes.
5611
5612 2007-02-28  Jan Hubicka  <jh@suse.cz>
5613
5614         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5615         PRED_NEGATIVE_RETURN): Update outcomes.
5616
5617 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5618
5619         * calls.c (emit_library_call_value_1): Handle partial registers
5620         correctly when building up CALL_INSN_FUNCTION_USAGE.
5621
5622 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5623
5624         * pa/predicates.md (move_src_operand): Allow zero for mode.
5625         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5626         move pattern.
5627
5628 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5629
5630         PR target/30970
5631         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5632         *movv2df_internal): Enable pattern only for valid operand
5633         combinations.
5634         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5635         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5636
5637 2007-02-27  Mike Stump  <mrs@apple.com>
5638
5639         * config/darwin-crt3.c: Avoid compilation when compiling for a
5640         kext multilib.
5641
5642 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5643
5644         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5645         FIXED_INCLUDE_DIR.
5646         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5647         for fixed headers and limits.h.
5648         (install-include-dir, install-headers-tar, install-headers-cpio,
5649         install-headers-cp, real-install-headers-tar,
5650         real-install-headers-cpio, real-install-headers-cp): Handle
5651         include-fixed as well as include.
5652         (install-mkheaders): Don't install files that go only in include
5653         not include-fixed.
5654         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5655         from GCC_INCLUDE_DIR.
5656         * gcc.c (process_command): Remove special -BstageN/ handling.
5657         (do_spec_1): Add include-fixed directories.
5658
5659 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5660
5661         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5662         _smulsi3_highpart.
5663         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5664         New functions.
5665         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5666         patterns.
5667
5668 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5669
5670         * c-common.c (get_priority): Add check for
5671         SUPPORTS_INIT_PRIORITY.
5672
5673 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5674
5675         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5676
5677         * config/bfin/bfin.c: Include "cfglayout.h".
5678         (MAX_LSETUP_DISTANCE): New macro.
5679         (struct loop_info): New members incoming, incoming_src and
5680         incoming_dest.  Delete member predecessor.
5681         (length_for_loop): New function.
5682         (bfin_optimize_loop): Handle more different loop structures.
5683         (bfin_discover_loop): Rework detection of predecessor blocks by
5684         examining incoming edges.
5685         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5686         bfin_reorg_loops.
5687         (bfin_reorder_loops): New function.
5688         (bfin_reorg_loops): Use these three new functions.
5689
5690         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5691         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5692         (CONSTRAINT_LEN): Add entry for 'q'.
5693         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5694         Add 'q' constraints.
5695         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5696         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5697
5698         * config/bfin/bfin.md (add_with_carry): New pattern.
5699         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5700         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5701         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5702         support unsigned multiplies too.  Removed incorrect commutativity from
5703         operand 1 constraint where appropriate.
5704         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5705         patterns.
5706         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5707         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5708         New patterns.
5709         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5710         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5711         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5712         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5713         usmulhisi_hh_huh): New patterns.
5714
5715         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5716         lshifthi3): Fix output template to use half reg for operand 2.
5717
5718         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5719         instead of R2.
5720
5721         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5722
5723 2007-02-27  Andreas Schwab  <schwab@suse.de>
5724
5725         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5726
5727 2007-02-27  Jan Hubicka  <jh@suse.cz>
5728
5729         * predict.c (last_basic_block_p): Remove.
5730         (tree_estimate_probability): Update return heuristic for commonized
5731         return blocks.
5732
5733 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5734
5735         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5736
5737 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5738
5739         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5740         * doc/cpp.texi: Standardize title page.
5741         * doc/cppinternals.texi: Likewise.
5742         * doc/gcc.texi: Standardize title page, remove version number
5743         from copyright page.
5744         * doc/gccint.texi: Likewise.
5745         * doc/install.texi: Standardize title page, add table of
5746         contents.
5747
5748 2007-02-26  Jan Hubicka  <jh@suse.cz>
5749
5750         * predict.def: Set outcomes according to more recent results.
5751         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5752         Remove dead predictors.
5753         * predict.c (return_prediction): Fix pasto.
5754
5755 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5756
5757         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5758         change; avoid a memory leak when returning early.
5759
5760 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5761
5762         * c-decl.c (static_ctors): Move to c-common.c.
5763         (static_dtors): Likewise.
5764         (finish_function): Use c_record_cdtor_fn.
5765         (build_cdtor): Move to c-common.c.
5766         (c_write_global_declarations): Use c_build_cdtor_fns.
5767         * c-common.h (static_ctors): Declare.
5768         (static_dtors): Likewise.
5769         (c_record_cdtor_fn): Likewise.
5770         (c_build_cdtor_fns): Likewise.
5771         * c-common.c (static_ctors): New variable.
5772         (static_dtors): Likewise.
5773         (c_record_cdtor_fn): New function.
5774         (build_cdtor): Move from c-decl.c
5775         (c_build_cdtor_fns): New function.
5776
5777         * output.h (assemble_addr_to_section): Declare.
5778         (get_cdtor_priority_section): Likewise.
5779         * varasm.c (assemble_addr_to_section): New function.
5780         (get_cdtor_priority_section): Likewise.
5781         (default_named_section_asm_out_destructor): Use them.
5782         (destor_dtor_section_asm_out_destructor): Likewise.
5783         (default_named_section_asm_out_constructor): Likewise.
5784         (default_ctor_section_asm_out_constructor): Likewise.
5785         * config.gcc (*-*-vxworks*): Include vxworks.o.
5786         * config/t-vxworks (vxworks.o): New target.
5787         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5788         (TARGET_ASM_CONSTRUCTOR): Define.
5789         (TARGET_ASM_DESTRUCTOR): Likewise.
5790         (vxworks_asm_out_constructor): Declare.
5791         (vxworks_asm_out_destructor): Likewise.
5792
5793         * c-common.c (get_priority): Check that we have not just an
5794         INTEGER_CST, but an integer constant with integeral type.
5795
5796 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5797
5798         PR tree-optimization/30938
5799         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5800         use &dt[nargs-1] instead of &dt[nargs] in the call to
5801         vect_is_simple_use().
5802
5803 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5804
5805         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5806         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5807         Do not attempt to handle MEM inside auto-inc expressions.
5808         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5809         of a register modified by an auto-inc expression.  However, do handle
5810         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5811         (elimination_effects): Prohibit elimination of a register modified
5812         by an auto-inc expression.  Disable register elimination rules whose
5813         target register is modified by an auto-inc expression with variable
5814         increment.
5815
5816 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5817
5818         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5819         off-by-one error.
5820         (array_at_struct_end_p): New function.
5821         (idx_infer_loop_bounds): Use it.
5822         (estimate_numbers_of_iterations_loop): Export.
5823         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5824         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5825         (tree_estimate_probability): Call record_loop_exits.
5826         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5827         (estimated_loop_iterations, estimated_loop_iterations_int,
5828         estimated_loop_iterations_tree): New functions.
5829         (analyze_siv_subscript_cst_affine,
5830         compute_overlap_steps_for_affine_1_2,
5831         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5832         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5833         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5834         (PRED_LOOP_ITERATIONS_GUESSED): New.
5835         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5836         * cfgloop.h (estimate_numbers_of_iterations_loop,
5837         estimated_loop_iterations_int): Declare.
5838
5839 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5840
5841         * doc/extend.texi: Document optional priority argument to
5842         constructors and destructors.
5843         * tree.c (init_priority_for_decl): Adjust GTY markers.
5844         (init_ttree): Use priority-info hash functions for
5845         init_priority_for_decl.
5846         (tree_map_eq): Rename to ...
5847         (tree_map_base_eq): ... this.
5848         (tree_map_marked_p): Rename to ...
5849         (tree_map_base_marked_p): ... this.
5850         (tree_map_base_hash): New function.
5851         (decl_init_priority_lookup): Rework.
5852         (decl_fini_priority_lookup): New function.
5853         (decl_priority_info): New function.
5854         (decl_init_priority_insert): Use it.
5855         (decl_fini_priority_insert): Likewise.
5856         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5857         hierarchy.
5858         (decl_restrict_base_insert): Likewise.
5859         (decl_debug_expr_insert): Likewise.
5860         (decl_value_expr_lookup): Likewise.
5861         (decl_value_expr_insert): Likewise.
5862         * tree.h (priority_type): New type.
5863         (decl_init_priority_lookup): Use priority_type.
5864         (decl_fini_priority_lookup): New function.
5865         (decl_init_priority_insert): Use priority_type.
5866         (decl_fini_priority_insert): New function.
5867         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5868         (DECL_INIT_PRIORITY): Likewise.
5869         (SET_DECL_INIT_PRIORITY): Add comment.
5870         (DECL_FINI_PRIORITY): New macro.
5871         (SET_DECL_FINI_PRIORITY): Likewise.
5872         (DEFAULT_INIT_PRIORITY): Document.
5873         (MAX_INIT_PRIORITY): Likewise.
5874         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5875         (tree_map_base): New type.
5876         (tree_map_base_eq): New function.
5877         (tree_map_base_hash): Likewise.
5878         (tree_map_base_marked_p): Likewise.
5879         (tree_map): Inherit from tree_map_base.
5880         (tree_map_eq): Make it a macro.
5881         (tree_map_marked_p): Likewise.
5882         (tree_int_map): Inherit from tree_map_base.
5883         (tree_int_map_eq): Make it a macro.
5884         (tree_int_map_hash): Likewise.
5885         (tree_int_map_marked_p): Likewise.
5886         (tree_priority_map): New type.
5887         (tree_priority_map_eq): New macro.
5888         (tree_priority_map_hash): Likewise.
5889         (tree_priority_map_marked_p): Likewise.
5890         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5891         hierarchy.
5892         (emutls_common_1): Likewise.
5893         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5894         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5895         of tree_map hierarchy.
5896         * tree-cfg.c (move_stmt_r): Likewise.
5897         (new_label_mapper): Likewise.
5898         * c-tree.h (c_expand_body): Move to ...
5899         * c-common.h (c_expand_body): ... here.
5900         * c-decl.c (c_expand_body): Move to ...
5901         * c-common.c (c_expand_body): ... here.
5902         (c_common_attribute_table): Allow 1 argument for the constructor
5903         and destructor attributes.
5904         (get_priority): New function.
5905         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5906         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5907
5908 2007-02-24  Jan Hubicka  <jh@suse.cz>
5909
5910         PR middle-end/30509
5911         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5912
5913 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5914             Jan Hubicka  <jh@suse.cz>
5915
5916         PR target/30778
5917         * i386.c (counter_mode): New function.
5918         (expand_set_or_movmem_via_loop): Use it.
5919         (expand_movmem_epilogue): Likewise; fix pasto.
5920         (ix86_expand_movmem): Do emit guard even for constant counts.
5921         (ix86_expand_setmem): Likewise.
5922
5923 2007-02-25  Nick Clifton  <nickc@redhat.com>
5924
5925         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5926         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5927
5928 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5929
5930         PR target/30770
5931         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5932         count argument with 0x10, not with 0x16.
5933         (expand_setmem_epilogue): Ditto.
5934
5935 2007-02-24  Mike Stump  <mrs@apple.com>
5936
5937         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5938         symbols.
5939
5940 2007-02-24  Richard Guenther  <rguenther@suse.de>
5941
5942         PR middle-end/30951
5943         * fold-const.c (fold_binary): Fold x +- CST op x for
5944         EQ_EXPR and NE_EXPR.
5945
5946 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5947
5948         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5949
5950 2007-02-24  Jan Hubicka  <jh@suse.cz>
5951
5952         * cgraphunit.c (decide_is_function_needed): Honor
5953         -fkeep-inline-functions.
5954
5955 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5956
5957         * builtins.c (fold_builtin_modf): New.
5958         (fold_builtin_2): Use it.
5959
5960 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5961
5962         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5963         (determine_max_iter): Take additional LOOP arg; all callers changed.
5964         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5965         one using simplifications.
5966         (simplify_using_initial_values): Return if the expression becomes
5967         invalid due to altered regs.
5968
5969 2007-02-23  DJ Delorie  <dj@redhat.com>
5970
5971         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5972
5973 2007-02-23  Mike Stump  <mrs@apple.com>
5974
5975         * tlink.c (scan_linker_output): Parse linker messages from
5976         darwin9's linker better.
5977
5978 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5979
5980         PR debug/29614
5981         * varpool.c (varpool_assemble_pending_decls):  Set
5982         varpool_last_needed_node to null.
5983
5984 2007-02-23  DJ Delorie  <dj@redhat.com>
5985
5986         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5987         alignment bigger than the object file can handle.
5988
5989 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5990
5991         PR target/30825
5992         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5993         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5994         (*movsf_1): Penalize MMX moves.
5995
5996 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5997
5998         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5999         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6000
6001         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6002
6003 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6004
6005         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6006         (fold_builtin_1): Use them.
6007         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6008         BUILT_IN_SIGNIFICAND.
6009
6010 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6011
6012         * config/i386/i386.c (bdesc_1arg): Initialize
6013         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6014         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6015         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6016         and IX86_BUILTIN_MOVSLDUP.
6017
6018 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6019
6020         PR rtl-optimization/30841
6021         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6022
6023 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6024
6025         * builtins.c (fold_builtin_frexp): New.
6026         (fold_builtin_2): Use it.
6027
6028 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6029
6030         * doc/invoke.texi (Spec Files): Document getenv spec function.
6031
6032         * gcc.c (getenv_spec_function): New function.
6033         (static_spec_functions): Add it.
6034         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6035         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6036         header files.
6037
6038 2007-02-22  Michael Matz  <matz@suse.de
6039
6040         PR c++/29433
6041         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6042         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6043
6044 2007-02-22  Ian Lance Taylor  <iant@google.com>
6045
6046         PR debug/30898
6047         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6048         (mem_loc_descriptor): Call it.
6049
6050 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6051             Ira Rosen  <irar@il.ibm.com>
6052
6053         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6054
6055 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6056
6057         PR tree-optimization/30843
6058         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6059         stores only after all the group is vectorized.
6060
6061 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6062
6063         PR tree-optimization/30858
6064         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6065         in the reduction cycle have a single use in the loop.
6066         * tree-vectorizer.h (relevant): Add documentation.
6067
6068 2007-02-20  Mike Stump  <mrs@apple.com>
6069
6070         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6071         * configure: Regenerate.
6072
6073 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6074
6075         Change the defaults of some parameters and options.
6076         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6077         * config/spu/spu.c (spu_optimization_options): Add.
6078         (spu_override_options): Change params in spu_optimization_options.
6079         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6080
6081         Register 127 is only 16 byte aligned when used as a frame pointer.
6082         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6083         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6084         HARD_FRAME_POINTER_REGNUM.
6085         (spu_legitimate_address):  Use regno_aligned_for_reload.
6086         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6087         aligned when frame_pointer_needed is true.
6088         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6089         to 8 bits.
6090         * config/spu/spu.h (INIT_EXPANDERS): Define.
6091
6092         Make sure shift and rotate instructions have valid immediate operands.
6093         * config/spu/predicates.md (spu_shift_operand): Remove.
6094         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6095         * config/spu/constraints.md (W, O): Extend range.
6096         * config/spu/spu.md (umask, nmask): Define.
6097         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6098         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6099         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6100         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6101         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6102         (lshr<mode>3_reg):  Fix rtl description.
6103
6104         Make sure mulhisi immediate operands are valid.
6105         * config/spu/predicates.md (imm_K_operand): Add.
6106         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6107
6108         Generate constants using fsmbi and andi.
6109         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6110         (print_operand, spu_split_immediate, classify_immediate,
6111         fsmbi_const_p): Handle IC_FSMBI2.
6112
6113         Correctly handle a CONST_VECTOR containing symbols.
6114         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6115         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6116         (immediate_load_p): Allow symbols that use 2 instructions to create.
6117         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6118         with symbols when flag_pic is set.
6119         (const_vector_immediate_p): New.
6120         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6121         accept a CONST_VECTOR with symbols.
6122         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6123         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6124         correctly.
6125         * config/spu/spu.md (high, low): Delete.
6126         (low_<mode>): Define.
6127
6128         Remove INTRmode and INTR_REGNUM, which didn't work.
6129         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6130         of INTR_REGNUM.
6131         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6132         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6133         peephole2 pattern): Don't use INTR or 131.
6134         (movintrcc): Delete.
6135         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6136         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6137         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6138         (UNSPEC_SET_INTR): Add.
6139         * config/spu/spu-modes.def (INTR): Remove.
6140
6141         More accurate warnings about run-time relocations.
6142         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6143
6144         Correctly warn about immediate arguments to specific intrinsics.
6145         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6146         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6147         the instruction predicate.
6148
6149         Fix tree check errors with latest update.
6150         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6151         CALL_EXPR_ARG.
6152         (spu_expand_builtin): Use CALL_EXPR_FN.
6153
6154         Add missing specific intrinsics.
6155         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6156         si_bislede.
6157         * config/spu/spu_internals.h: Ditto.
6158
6159         Fix incorrect operand modifiers.
6160         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6161         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6162
6163         Optimize one case of zero_extend of a vec_select.
6164         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6165
6166         Accept any immediate for hbr.
6167         * config/spu/spu.md (hbr):  Change s constraints to i.
6168
6169 2007-02-21  Paul Brook  <paul@codesourcery.com>
6170
6171         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6172         condexec_count when skipping USE and CLOBBER.
6173
6174 2007-02-21  Nick Clifton  <nickc@redhat.com>
6175
6176         * common.opt (Warray-bounds): Add Warning attribute.
6177         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6178         Likewise.
6179         (fsized-zeroes): Add Optimization attribute.
6180         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6181         * c.opt (Wc++0x-compat): Add Warning attribute.
6182
6183 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6184
6185         PR middle-end/30761
6186         * reload1.c (eliminate_regs_in_insn): In the single_set special
6187         case, attempt to re-recognize the insn before falling back to
6188         having reload fix it up.
6189
6190 2007-02-20  Eric Christopher  <echristo@gmail.com>
6191
6192         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6193         Rewrite accordingly.
6194         (frv_read_iacc_argument): Ditto.
6195         (frv_expand_set_builtin): Take a call instead of arglist, update for
6196         above changes.
6197         (frv_expand_unop_builtin): Ditto.
6198         (frv_expand_binop_builtin): Ditto.
6199         (frv_expand_cut_builtin): Ditto.
6200         (frv_expand_binopimm_builtin): Ditto.
6201         (frv_expand_voidbinop_builtin): Ditto.
6202         (frv_expand_int_void2arg): Ditto.
6203         (frv_expand_prefetches): Ditto.
6204         (frv_expand_voidtriop_builtin): Ditto.
6205         (frv_expand_voidaccop_builtin): Ditto.
6206         (frv_expand_load_builtin): Ditto.
6207         (frv_expand_store_builtin): Ditto.
6208         (frv_expand_mdpackh_builtin): Ditto.
6209         (frv_expand_mclracc_builtin): Ditto.
6210         (frv_expand_mrdacc_builtin): Ditto.
6211         (frv_expand_mwtacc_builtin): Ditto.
6212         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6213         calls for above.
6214
6215 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6216
6217         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6218         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6219         cmpb instruction.
6220         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6221         point instructions.
6222         * configure: Regenerate.
6223         * config.in: Regenerate.
6224         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6225         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6226         masks to power6 and power6x and to POWERPC_MASKS.
6227         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6228         _ARCH_PWR6.
6229         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6230         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6231         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6232         Access PROTOTYPE as variable, not mask.
6233
6234 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6235
6236         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6237         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6238         * combine.c (adjust_for_new_dest): Use it.
6239         * postreload.c (reload_combine): Likewise.
6240
6241 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6242
6243         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6244         notes on an insn with multiple sets, even if single_set returns
6245         non-NULL for that insn.
6246
6247 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6248
6249         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6250         scalbn and scalbln.
6251
6252 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6253
6254         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6255         if user didn't pass it.
6256         * config/i386/darwin.h (CC1_SPEC): Likewise.
6257         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6258         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6259         -mmacosx-version-min.
6260
6261 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6262             Uros Bizjak  <ubizjak@gmail.com>
6263
6264         * optabs.h (enum optab_index): Add new OTI_scalb.
6265         (scalb_optab): Define corresponding macro.
6266         * optabs.c (init_optabs): Initialize scalb_optab.
6267         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6268         patterns.
6269         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6270         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6271         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6272         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6273         flag_unsafe_math_optimizations is set.
6274
6275         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6276         to implement scalbf, scalb and scalbl built-ins as inline x87
6277         intrinsics.
6278
6279 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6280             DJ Delorie <dj@redhat.com>
6281
6282         PR other/30824
6283         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6284         (diagnostic_report_diagnostic): ... here, and turn them into real
6285         errors. If warnings are inhibited, no need to do anything.
6286
6287 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6288
6289         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6290         better code generation.
6291
6292 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6293
6294         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6295
6296 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6297
6298         * config/alpha/alpha.c, config/alpha/alpha.md,
6299         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6300         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6301         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6302         config/arm/lib1funcs.asm: Follow spelling conventions.
6303
6304         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6305         config/fr30/fr30.md, config/i386/i386.h,
6306         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6307         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6308         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6309         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6310         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6311         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6312         config/sparc/sparc.c, config/sparc/sparc.h,
6313         config/sparc/sparc.md, config/spu/constraints.md,
6314         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6315         conventions.
6316
6317 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6318
6319         PR target/29943
6320         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6321         alias attribute.
6322
6323 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6324
6325         * doc/invoke.texi (-ftree-lrs): Remove.
6326
6327 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6328
6329         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6330         NULL.
6331
6332 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6333
6334         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6335         new CALL_EXPR_FN macro for retrieving the function
6336         declaration of the input expression.
6337
6338 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6339
6340         * c.opt (Waddress): New.
6341         * common.opt (Walways-true): Delete.
6342         (Wstring-literal-comparison): Delete.
6343         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6344         -Wstring-literal-comparison. Add -Waddress.
6345         (Waddress): New.
6346         (Walways-true): Delete.
6347         (Wstring-literal-comparison): Delete.
6348         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6349         consistently instead of -Walways-true in example.
6350         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6351         * c-typeck.c (parser_build_binary_op): Replace
6352         -Wstring-literal-comparison and -Walways-true with -Waddress.
6353         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6354         with -Waddress.
6355
6356 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6357
6358         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6359         without DECL_STRUCT_FUNCTION initialized.
6360
6361 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6362
6363         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6364         due to calls to functions taking pointers as parameters.
6365
6366 2007-02-19  Richard Henderson  <rth@redhat.com>
6367
6368         PR debug/29558
6369         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6370         in memory.
6371
6372 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6373
6374         * config/s390/s390.c (s390_call_saved_register_used,
6375         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6376         accessed to the new scheme.
6377
6378 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6379
6380         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6381         (cris_print_index, cris_print_operand, cris_print_operand_address)
6382         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6383         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6384         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6385         GET_CODE () == xxx.
6386         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6387         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6388         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6389         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6390         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6391         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6392         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6393         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6394         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6395         (uminsi3, call, call_value): Ditto.
6396         (define_split: indir_to_reg_split, unnamed): Ditto.
6397
6398 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6399
6400         PR tree-optimization/30975
6401         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6402         wrong assert.
6403
6404 2007-02-18  Eric Christopher  <echristo@gmail.com>
6405
6406         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6407         Remove use of arglist.
6408         (mips_expand_builtin): Remove use of arglist, pass in expr.
6409         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6410         (mips_expand_builtin_movtf): Ditto.
6411         (mips_expand_builtin_compare): Ditto.
6412
6413 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6414
6415         * tree-sra.c (sra_build_assignment): Replace assertion
6416         checking with a comment explaining why it can't be done.
6417
6418 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6419
6420         PR middle-end/30833
6421         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6422         during CALL_EXPR representation conversion.
6423         * tree-ssa-propagate.c (set_rhs): Likewise.
6424
6425 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6426
6427         * tree-sra.c (sra_build_assignment): Disable assertion checking
6428         for now.
6429
6430 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6431
6432         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6433         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6434         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6435         Likewise.
6436         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6437         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6438         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6439         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6440         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6441         force_gimple_operand): Likewise.
6442         * ipa-cp.c (constant_val_insert): Likewise.
6443         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6444         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6445         perfect_nestify): Likewise.
6446         * langhooks.c (lhd_omp_assignment): Likewise.
6447         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6448         lower_copyprivate_clauses, lower_send_clauses,
6449         lower_send_shared_vars, expand_parallel_call,
6450         expand_omp_for_generic, expand_omp_for_static_nochunk,
6451         expand_omp_for_static_chunk, expand_omp_sections,
6452         lower_omp_single_copy, lower_omp_for_lastprivate,
6453         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6454         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6455         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6456         Likewise.
6457
6458 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6459
6460         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6461         config/sh/sh.md: Follow spelling conventions.
6462
6463         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6464         config/frv/predicates.md: Follow spelling conventions.
6465
6466         * config/m68k/linux-unwind.h: Fix a comment typo.
6467         * target.h: Follow spelling conventions.
6468
6469 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6470
6471         PR rtl-optimization/28173
6472         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6473         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6474         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6475         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6476         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6477
6478 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6479
6480         * builtins.c (fold_builtin_load_exponent): New.
6481         (fold_builtin_2): Use it.
6482
6483 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6484
6485         PR rtl-optimization/30773
6486         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6487         if we fail to attach a REG_EQUIV note.
6488
6489 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6490             Roger Sayle  <roger@eyesopen.com>
6491
6492         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6493
6494 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6495
6496         * calls.c (initialize_argument_information): Pass original EXP
6497         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6498         code to split complex arguments here, as part of initializing the
6499         ARGS array.
6500         (expand_call): Remove code that builds a list of arguments and
6501         inserts implicit arguments into it.  Instead, just count how many
6502         implicit arguments there will be so we can determine the size of
6503         the ARGS array, and let initialize_argument_information do the work.
6504         (split_complex_values): Delete unused function.
6505
6506 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6507
6508         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6509
6510 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6511
6512         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6513         for arg pointer based indexed addressing.
6514
6515 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6516
6517         * config/ia64/ia64.h, config/ia64/ia64.md,
6518         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6519         spelling conventions.
6520
6521 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6522
6523         * config/m68k/m68k.c (split_di): New.
6524         * config/m68k/m68k-protos.h: Declare split_di.
6525         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6526           Improve predicate handling and split constant shifts.
6527
6528 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6529
6530         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6531         parameter for register bitfield operations, general predicates
6532         cleanup
6533
6534 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6535
6536         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6537         * config/m68k/linux-unwind.h: New file.
6538
6539 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6540
6541         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6542         config/i386/athlon.md, config/ia64/ia64.md,
6543         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6544         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6545         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6546         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6547         tree-vect-transform.c: Fix comment typos.
6548
6549 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6550
6551         * sched-deps.c (find_insn_list): Remove.
6552         * sched-int.h: Remove the prototype for find_insn_list.
6553
6554 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6555
6556         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6557         to linker.
6558         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6559         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6560         darwin_rs6000_override_options.
6561         (C_COMMON_OVERRIDE_OPTIONS): Expect
6562         darwin_macosx_version_min to be non-NULL always.
6563         (TARGET_C99_FUNCTIONS): Likewise.
6564         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6565         (DARWIN_MINVERSION_SPEC): New.
6566         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6567         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6568         to cc1*.
6569         (DARWIN_MINVERSION_SPEC): New.
6570         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6571         value.
6572         * config/darwin-c.c (darwin_cpp_builtins): Expect
6573         darwin_macosx_version_min to be non-NULL always.
6574
6575         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6576
6577 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6578
6579         * config/i386/i386.h (x86_use_xchgb): New.
6580         (TARGET_USE_XCHGB): New macro.
6581         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6582         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6583         Split after reload into bswaphi for shifts of 8.
6584         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6585         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6586         or when optimizing for size.
6587
6588 2007-02-16  Richard Guenther  <rguenther@suse.de>
6589             Christian Bruel  <christian.bruel@st.com>
6590
6591         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6592         DECLs but prefer SSA_NAMEs over DECLs.
6593
6594 2007-02-16  Richard Guenther  <rguenther@suse.de>
6595
6596         * tree-flow-inline.h (single_imm_use_p): Remove.
6597         (zero_imm_uses_p): Likewise.
6598         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6599         instead of single_imm_use_p.
6600         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6601         zero_imm_uses_p.
6602
6603 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6604
6605         PR other/27843
6606         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6607         nested double- and backquotes.
6608
6609 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6610
6611         PR middle-end/30391
6612         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6613         should be unreachable.
6614         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6615         For the time being redirect GIMPLE_MODIFY_STMT to the new
6616         (renamed) build_gimple_modify_stmt_stat.
6617         (build2_gimple_stat): Rename to...
6618         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6619         Always build a GIMPLE_MODIFY_STMT node.
6620         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6621         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6622         declarations.
6623
6624         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6625         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6626         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6627         expand_complex_div_wide): Likewise.
6628         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6629         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6630         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6631         * tree-ssa-loop-manip.c (create_iv): Likewise.
6632         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6633         abs_replacement): Likewise.
6634         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6635         realify_fake_stores): Likewise.
6636
6637         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6638         node rather than a GIMPLE_MODIFY_STMT node.
6639         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6640         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6641         Likewise.
6642         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6643         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6644         GIMPLE_MODIFY_STMT.
6645
6646 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6647
6648         PR middle-end/30433
6649         * fold-const.c (fold_comparison): Add back the
6650         folding of constant complex comparisions.
6651
6652 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6653
6654         PR middle-end/30729
6655         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6656         effects unknown to this function, return early.
6657
6658 2007-02-15  Ian Lance Taylor  <iant@google.com>
6659
6660         * lower-subreg.c (move_eh_region_note): New static function.
6661         (resolve_simple_move): Call it.
6662         (decompose_multiword_subregs): Track blocks for which we resolve a
6663         simple move which is also a control flow insn.  Pass them to
6664         find_many_sub_basic_blocks.
6665         (pass_lower_subreg): Add TODO_verify_flow.
6666         (pass_lower_subreg2): Likewise.
6667
6668 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6669             Brooks Moses  <brooks.moses@codesourcery.com>
6670             Lee Millward  <lee.millward@codesourcery.com>
6671
6672         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6673         (VL_EXP_CLASS_P): New.
6674         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6675         TREE_CODE_LENGTH.
6676         (TREE_OPERAND_CHECK_CODE): Likewise.
6677         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6678         (TREE_RTL_OPERAND_CHECK): Likewise.
6679         (tree_operand_check_failed): Make second parameter the whole tree
6680         instead of its code.  Fixed callers.
6681         (VL_EXP_CHECK): New.
6682         (TREE_OPERAND_LENGTH): New.
6683         (VL_EXP_OPERAND_LENGTH): New.
6684         (CALL_EXPR_FN): New.
6685         (CALL_EXPR_STATIC_CHAIN): New.
6686         (CALL_EXPR_ARGS): New.
6687         (CALL_EXPR_ARG): New.
6688         (call_expr_nargs): New.
6689         (CALL_EXPR_ARGP): New.
6690         (build_nt_call_list): Declare.
6691         (build_vl_exp_stat): Declare.
6692         (build_vl_exp): New.
6693         (build_call_list): Declare.
6694         (build_call_nary): Declare.
6695         (build_call_valist): Declare.
6696         (build_call_array): Declare.
6697         (call_expr_arg): Declare.
6698         (call_expr_argp): Declare.
6699         (call_expr_arglist): Declare.
6700         (fold_build_call_list): Declare.
6701         (fold_build_call_list_initializer): Declare.
6702         (fold_call_expr): Declare to replace fold_builtin.
6703         (fold_builtin_fputs): Update to agree with modified definition.
6704         (fold_builtin_strcpy): Likewise.
6705         (fold_builtin_strncpy): Likewise.
6706         (fold_builtin_memory_chk): Likewise.
6707         (fold_builtin_stxcpy_chk): Likewise.
6708         (fold_builtin_strncpy_chk): Likewise.
6709         (fold_builtin_next_arg): Likewise.
6710         (fold_build_call_expr): Declare.
6711         (fold_builtin_call_list): Declare.
6712         (fold_builtin_call_valist): Declare.
6713         (build_call_expr): Declare.
6714         (validate_arglist): Update to agree with modified definition.
6715         (tree_operand_length): New.
6716         (call_expr_arg_iterator): New.
6717         (init_call_expr_arg_iterator): New.
6718         (next_call_expr_arg): New.
6719         (first_call_expr_arg): New.
6720         (more_call_expr_args_p): New.
6721         (FOR_EACH_CALL_EXPR_ARG): New.
6722
6723         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6724         and tcc_gimple_stmt.
6725         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6726         than sizeof (char *).
6727         (tree_size): Likewise.  Add case for tcc_vl_exp.
6728         (tree_node_structure): Add case for tcc_vl_exp.
6729         (contains_placeholder_p): Likewise.
6730         (substitute_in_expr): Likewise.
6731         (substitute_placeholder_in_expr): Likewise.
6732         (stabilize_reference_1): Likewise.
6733         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6734         to diagnose breakage of this interface for constructing CALL_EXPRs.
6735         (build_nt): Add similar assertion here.
6736         (build_nt_call_list): New.
6737         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6738         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6739         TREE_CODE_LENGTH.
6740         (get_callee_fndecl): Use new CALL_EXPR accessors.
6741         (tree_operand_check_failed): Change parameters to pass entire node
6742         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6743         (process_call_operands): New.
6744         (build_vl_exp_stat): New.
6745         (build_call_list): New.
6746         (build_call_nary): New.
6747         (build_call_valist): New.
6748         (build_call_array): New.
6749         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6750         (call_expr_arglist): New.
6751
6752         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6753         tcc_vl_exp instead of a fixed-size tcc_expression.
6754
6755         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6756         accessors for CALL_EXPRs.
6757         (AGGR_INIT_EXPR): Likewise.
6758
6759 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6760             Brooks Moses  <brooks.moses@codesourcery.com>
6761             Lee Millward  <lee.millward@codesourcery.com>
6762
6763         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6764         (expand_builtin_nonlocal_goto): Change parameter to be entire
6765         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6766         (expand_builtin_prefetch): Likewise.
6767         (expand_builtin_classify_type): Likewise.
6768         (mathfn_built_in): Return NULL_TREE instead of 0.
6769         (expand_errno_check): Use new CALL_EXPR accessors.
6770         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6771         Return NULL_RTX instead of 0.
6772         (expand_builtin_mathfn_2): Likewise.
6773         (expand_builtin_mathfn_3): Likewise.
6774         (expand_builtin_interclass_mathfn): Likewise.
6775         (expand_builtin_sincos): Likewise.
6776         (expand_builtin_cexpi): Likewise.
6777         (expand_builtin_int_roundingfn): Likewise.
6778         (expand_builtin_int_roundingfn_2): Likewise.
6779         (expand_builtin_pow): Likewise.
6780         (expand_builtin_powi): Likewise.
6781         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6782         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6783         accessors and constructors.  Return NULL_RTX instead of 0.
6784         (expand_builtin_strstr): Likewise.
6785         (expand_builtin_strchr): Likewise.
6786         (expand_builtin_strrchr): Likewise.
6787         (expand_builtin_strpbrk): Likewise.
6788         (expand_builtin_memcpy): Likewise.
6789         (expand_builtin_mempcpy): Likewise.
6790         (expand_builtin_mempcpy_args): New.
6791         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6792         (expand_builtin_memmove_args): New.
6793         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6794         (expand_movstr): Likewise.
6795         (expand_builtin_strcpy): Likewise.
6796         (expand_builtin_strcpy_args): New.
6797         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6798         (expand_builtin_strncpy): Likewise.
6799         (expand_builtin_memset): Likewise.
6800         (expand_builtin_memset_args): New.
6801         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6802         (expand_builtin_memcmp): Likewise.
6803         (expand_builtin_strcmp): Likewise.
6804         (expand_builtin_strncmp): Likewise.
6805         (expand_builtin_strcat): Likewise.
6806         (expand_builtin_strncat): Likewise.
6807         (expand_builtin_strspn): Likewise.
6808         (expand_builtin_strcspn): Likewise.
6809         (expand_builtin_args_info): Likewise.
6810         (expand_builtin_va_start): Likewise.
6811         (gimplify_va_arg_expr): Likewise.
6812         (expand_builtin_va_end): Likewise.
6813         (expand_builtin_va_copy): Likewise.
6814         (expand_builtin_frame_address): Likewise.
6815         (expand_builtin_alloca): Likewise.
6816         (expand_builtin_bswap): Likewise.
6817         (expand_builtin_unop): Likewise.
6818         (expand_builtin_fputs): Likewise.
6819         (expand_builtin_expect): Likewise.
6820         (expand_builtin_fabs): Likewise.
6821         (expand_builtin_copysign): Likewise.
6822         (expand_builtin_printf): Likewise.
6823         (expand_builtin_fprintf): Likewise.
6824         (expand_builtin_sprintf): Likewise.
6825         (expand_builtin_init_trampoline): Likewise.
6826         (expand_builtin_signbit): Likewise.
6827         (expand_builtin_fork_or_exec): Likewise.
6828         (expand_builtin_sync_operation): Likewise.
6829         (expand_builtin_compare_and_swap): Likewise.
6830         (expand_builtin_lock_test_and_set): Likewise.
6831         (expand_builtin_lock_release): Likewise.
6832         (expand_builtin): Likewise.
6833         (builtin_mathfn_code): Likewise.
6834
6835         (fold_builtin_constant_p): Pass call arguments individually instead
6836         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6837         accessors and constructors.  Return NULL_TREE instead of 0.
6838         (fold_builtin_expect): Likewise.
6839         (fold_builtin_classify_type): Likewise.
6840         (fold_builtin_strlen): Likewise.
6841         (fold_builtin_nan): Likewise.
6842         (integer_valued_real_p): Likewise.
6843         (fold_trunc_transparent_mathfn): Likewise.
6844         (fold_fixed_mathfn): Likewise.
6845         (fold_builtin_cabs): Likewise.
6846         (fold_builtin_sqrt): Likewise.
6847         (fold_builtin_cbrt): Likewise.
6848         (fold_builtin_cos): Likewise.
6849         (fold_builtin_cosh): Likewise.
6850         (fold_builtin_tan): Likewise.
6851         (fold_builtin_sincos): Likewise.
6852         (fold_builtin_cexp): Likewise.
6853         (fold_builtin_trunc): Likewise.
6854         (fold_builtin_floor): Likewise.
6855         (fold_builtin_ceil): Likewise.
6856         (fold_builtin_round): Likewise.
6857         (fold_builtin_int_roundingfn): Likewise.
6858         (fold_builtin_bitop): Likewise.
6859         (fold_builtin_bswap): Likewise.
6860         (fold_builtin_logarithm): Likewise.
6861         (fold_builtin_hypot): Likewise.
6862         (fold_builtin_pow): Likewise.
6863         (fold_builtin_powi): Likewise.
6864         (fold_builtin_exponent): Likewise.
6865         (fold_builtin_memset): Likewise.
6866         (fold_builtin_bzero): Likewise.
6867         (fold_builtin_memory_op): Likewise.
6868         (fold_builtin_bcopy): Deleted; call site changed to invoke
6869         fold_builtin_memory_op directly.
6870         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6871         (fold_builtin_strncpy): Likewise.
6872         (fold_builtin_memcmp): Likewise.
6873         (fold_builtin_strcmp): Likewise.
6874         (fold_builtin_strncmp): Likewise.
6875         (fold_builtin_signbit): Likewise.
6876         (fold_builtin_copysign): Likewise.
6877         (fold_builtin_isascii): Likewise.
6878         (fold_builtin_toascii): Likewise.
6879         (fold_builtin_isdigit): Likewise.
6880         (fold_builtin_fabs): Likewise.
6881         (fold_builtin_abs): Likewise.
6882         (fold_builtin_fmin_fmax): Likewise.
6883         (fold_builtin_carg): Likewise.
6884         (fold_builtin_classify): Likewise.
6885         (fold_builtin_unordered_cmp): Likewise.
6886
6887         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6888         New functions split out from fold_builtin_1.
6889         (fold_builtin_n): New.
6890         (fold_builtin_varargs): New.
6891         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6892         instead.
6893         (fold_call_expr): New.
6894         (build_function_call_expr): Rewrite to use new helper function.
6895         (fold_builtin_call_list): New.
6896         (build_call_expr): New.
6897         (fold_builtin_call_valist): New.
6898         (rewrite_call_expr): New.
6899         (validate_arg): New.
6900         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6901         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6902         accessors.
6903
6904         (fold_builtin_strstr):  Pass call arguments individually instead
6905         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6906         accessors and constructors.  Return NULL_TREE instead of 0.
6907         (fold_builtin_strchr): Likewise.
6908         (fold_builtin_strrchr): Likewise.
6909         (fold_builtin_strpbrk): Likewise.
6910         (fold_builtin_strcat): Likewise.
6911         (fold_builtin_strncat): Likewise.
6912         (fold_builtin_strspn): Likewise.
6913         (fold_builtin_strcspn): Likewise.
6914         (fold_builtin_fputs): Likewise.
6915         (fold_builtin_next_arg): Likewise.
6916         (fold_builtin_sprintf): Likewise.
6917
6918         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6919         NULL_RTX instead of 0.
6920         (expand_builtin_memory_chk): Likewise.
6921         (maybe_emit_chk_warning): Likewise.
6922         (maybe_emit_sprintf_chk_warning): Likewise.
6923
6924         (fold_builtin_object_size): Pass call arguments individually instead
6925         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6926         accessors and constructors.  Return NULL_TREE instead of 0.
6927         (fold_builtin_memory_chk): Likewise.
6928         (fold_builtin_stxcpy_chk): Likewise.
6929         (fold_builtin_strncpy_chk): Likewise.
6930         (fold_builtin_strcat_chk): Likewise.
6931         (fold_builtin_strcat_chk): Likewise.
6932         (fold_builtin_strncat_chk): Likewise.
6933         (fold_builtin_sprintf_chk): Likewise.
6934         (fold_builtin_snprintf_chk): Likewise.
6935         (fold_builtin_printf): Likewise.
6936         (fold_builtin_vprintf): Likewise.
6937
6938         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6939         constructors.
6940         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6941         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6942         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6943         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6944         (fold_unary): Likewise.
6945         (fold_binary): Likewise.
6946         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6947         ternary expressions.
6948         (fold): Add logic for tcc_vl_exp.
6949         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6950         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6951         (fold_build3_stat): Add assertion to flag broken interface for
6952         constructing CALL_EXPRs.
6953         (fold_build_call_list): New.
6954         (fold_build_call_list_initializer): New.
6955         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6956         constructors.
6957         (fold_strip_sign_ops): Likewise.
6958
6959 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6960             Brooks Moses  <brooks.moses@codesourcery.com>
6961             Lee Millward  <lee.millward@codesourcery.com>
6962
6963         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6964         accessors and dump arguments explicitly.
6965
6966         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6967         TREE_CODE_LENGTH.
6968         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6969         explicitly.
6970         (print_call_name): Use new CALL_EXPR accessors.
6971
6972         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6973         CALL_EXPR arguments explicitly instead of as a list.  Use
6974         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6975
6976         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6977         (vrp_visit_stmt): Likewise.
6978
6979         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6980         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6981         TREE_CODE_LENGTH.
6982         (force_move_till_expr): Likewise.
6983
6984         * targhooks.c (default_external_stack_protect_fail): Use
6985         build_call_expr instead of build_function_call_expr.
6986         (default_hidden_stack_protect_fail): Likewise.
6987
6988         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6989         build the call.
6990
6991         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6992         and walk arguments explicitly.
6993
6994         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6995         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6996         (expand_simple_operations): Likewise.
6997         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6998
6999         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7000         of TREE_CODE_LENGTH.
7001         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7002
7003         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7004         instead of TREE_CODE_LENGTH.
7005
7006         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7007         (tree_ic_transform): Likewise.
7008         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7009         parameter instead of arglist.  Fix callers.
7010         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7011         (tree_stringops_transform): Likewise.
7012         (tree_indirect_call_to_profile): Likewise.
7013         (tree_stringops_values_to_profile): Likewise.
7014
7015         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7016         (eliminate_tail_call): Likewise.
7017
7018         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7019
7020         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7021         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7022         operands.
7023         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7024
7025         * omp-low.c (build_omp_barrier): Use build_call_expr.
7026         (lower_rec_input_clauses): Likewise.
7027         (lower_reduction_clauses): Likewise.
7028         (expand_parallel_call): Likewise.
7029         (maybe_catch_exception): Likewise.
7030         (expand_omp_for_generic): Likewise.
7031         (expand_omp_for_static_nochunk): Likewise.
7032         (expand_omp_sections): Likewise.
7033         (lower_omp_single_simple): Likewise.
7034         (lower_omp_single_copy): Likewise.
7035         (lower_omp_master): Likewise.
7036         (lower_omp_ordered): Likewise.
7037         (lower_omp_critical): Likewise.
7038
7039         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7040         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7041
7042         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7043         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7044         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7045
7046         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7047         and generalize to handle any number of operands.
7048         (chrec_contains_undetermined): Likewise.
7049         (tree_contains_chrecs): Likewise.
7050         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7051
7052         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7053
7054         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7055         fold_call_expr instead of fold_builtin.
7056         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7057         match declarations there.
7058         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7059         updates.
7060
7061         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7062         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7063
7064         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7065         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7066
7067         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7068         accessors.
7069
7070         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7071         (execute_cse_sincos): Use new CALL_EXPR accessors.
7072
7073         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7074
7075         * gimple-low.c (lower_function_body): Use build_call_expr.
7076         (lower_builtin_setjmp): Likewise.
7077
7078         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7079         (set_storage_via_libcall): Likewise.
7080         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7081         instead of TREE_CODE_LENGTH.
7082         (expand_expr_real_1): Use new CALL_EXPR accessors.
7083
7084         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7085         generalize to handle any number of operands.
7086         (TB_parent_eq): Likewise.
7087
7088         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7089         (strip_builtin_expect): Likewise.
7090
7091         * function.c (gimplify_parameters): Use build_call_expr.
7092
7093         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7094         instead of TREE_CODE_LENGTH.
7095
7096         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7097         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7098
7099         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7100         iterators.
7101
7102         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7103         (gimplify_decl_expr): Likewise.
7104         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7105         Use new CALL_EXPR iterators.
7106         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7107         (gimplify_modify_expr_to_memset): Likewise.
7108         (gimplify_variable_sized_compare): Likewise.
7109         (gimplify_omp_atomic_fetch_op): Likewise.
7110         (gimplify_omp_atomic_pipeline): Likewise.
7111         (gimplify_omp_atomic_mutex): Likewise.
7112         (gimplify_function_tree): Likewise.
7113
7114         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7115         (call_expr_flags): Likewise.
7116         (expand_call): Likewise.
7117
7118         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7119         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7120         accessors.
7121
7122         * coverage.c (create_coverage): Use build_call_expr.
7123
7124         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7125         (temp_call_expr_obstack): New.
7126         (pool_copy_list): Delete.
7127         (temp_copy_call_expr): New.
7128         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7129         CALL_EXPR accessors.  Get rid of special goo for copying argument
7130         lists and use temp_copy_call_expr instead.
7131         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7132         CALL_EXPR accessors.
7133         (create_expression_by_pieces): Likewise.  Use build_call_array
7134         to construct the result instead of fold_build3.
7135         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7136         dealing with argument lists.
7137         (init_pre): Remove references to expression_node_pool and
7138         list_node_pool.  Init temp_call_expr_obstack instead.
7139         (fini_pre): Remove references to expression_node_pool and
7140         list_node_pool.
7141
7142         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7143         and walk arguments explicitly instead of as a list.
7144
7145         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7146         (mx_register_decls): Likewise.
7147         (mudflap_register_call): Likewise.
7148         (mudflap_finish_file): Likewise.
7149
7150         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7151         (ipa_callsite_compute_param): Likewise.
7152
7153         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7154         accessors and constructor.
7155
7156         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7157         accessors and constructor.
7158         (convert_tramp_reference): Likewise.
7159         (convert_call_expr): Likewise.
7160         (finalize_nesting_tree_1): Likewise.
7161
7162         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7163         accessors.
7164
7165         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7166
7167         * tree-inline.c (initialize_inlined_parameters): Pass entire
7168         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7169         accessors.
7170         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7171         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7172
7173         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7174         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7175         (vectorizable_reduction): Likewise.
7176         (vectorizable_call): Use new CALL_EXPR iterators.
7177         (vectorizable_conversion): Use build_call_expr.
7178         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7179         (vect_gen_widened_results_half): Use build_call_expr.
7180         (vect_setup_realignment): Likewise.
7181         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7182
7183         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7184         (pass_through_call): Likewise.
7185         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7186         fold_builtin.
7187
7188         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7189         (tree_gen_pow2_profiler): Likewise.
7190         (tree_gen_one_value_profiler): Likewise.
7191         (tree_gen_ic_func_profiler): Likewise.
7192         (tree_gen_average_profiler): Likewise.
7193         (tree_gen_ior_profiler): Likewise.
7194
7195         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7196         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7197         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7198
7199         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7200         of TREE_CODE_LENGTH.
7201
7202         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7203         of TREE_CODE_LENGTH.
7204
7205         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7206         constructor.
7207         (convert_to_integer): Likewise.
7208
7209         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7210         accessors.
7211
7212 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7213             Brooks Moses  <brooks.moses@codesourcery.com>
7214             Lee Millward  <lee.millward@codesourcery.com>
7215
7216         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7217         accessors.
7218         * config/frv/frv.c (frv_expand_builtin): Likewise.
7219         * config/s390/s390.c (s390_expand_builtin): Likewise.
7220
7221         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7222         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7223
7224         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7225         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7226         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7227         (ix86_expand_store_builtin): Likewise.
7228         (ix86_expand_unop_builtin): Likewise.
7229         (ix86_expand_unop1_builtin): Likewise.
7230         (ix86_expand_sse_compare): Likewise.
7231         (ix86_expand_sse_comi): Likewise.
7232         (ix86_expand_vec_init_builtin): Likewise.
7233         (ix86_expand_vec_ext_builtin): Likewise.
7234         (ix86_expand_vec_set_builtin): Likewise.
7235         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7236
7237         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7238         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7239
7240         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7241         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7242         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7243
7244         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7245         build_call_expr.
7246         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7247         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7248         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7249         (altivec_expand_abs_builtin): Likewise.
7250         (rs6000_expand_binop_builtin): Likewise.
7251         (altivec_expand_predicate_builtin): Likewise.
7252         (altivec_expand_lv_builtin): Likewise.
7253         (spe_expand_stv_builtin): Likewise.
7254         (altivec_expand_stv_builtin): Likewise.
7255         (rs6000_expand_ternop_builtin): Likewise.
7256         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7257         (altivec_expand_st_builtin): Likewise.
7258         (altivec_expand_dst_builtin): Likewise.
7259         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7260         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7261         (altivec_expand_vec_set_builtin): Likewise.
7262         (altivec_expand_vec_ext_builtin): Likewise.
7263         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7264         (spe_expand_builtin): Likewise.
7265         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7266         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7267         (spe_expand_evsel_builtin): Likewise.
7268         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7269         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7270
7271         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7272         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7273         (arm_expand_unop_builtin): Likewise.
7274         (arm_expand_builtin): Use new CALL_EXPR accessors.
7275
7276         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7277         accessors.
7278
7279         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7280         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7281         (bfin_expand_unop_builtin): Likewise.
7282         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7283
7284 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7285             Brooks Moses  <brooks.moses@codesourcery.com>
7286             Lee Millward  <lee.millward@codesourcery.com>
7287
7288         * c-semantics.c (build_stmt): Add internal diagnostic check.
7289
7290         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7291         accessors.  Print arguments explicitly instead of as a list.
7292
7293         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7294
7295         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7296         (c_finish_omp_flish): Likewise.
7297
7298         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7299         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7300         instead of TREE_CODE_LENGTH.
7301         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7302         (c_warn_unused_result): Likewise.
7303
7304 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7305
7306         PR c/26494
7307         * doc/invoke.texi (Warning Options): Remove
7308         -Werror-implicit-function-declaration.
7309         (Wimplicit-function-declaration): Update description.
7310         * opts.c (common_handle_option): Move handling of -Werror=* to...
7311         (enable_warning_as_error): ...here.
7312         * opts.h (enable_warning_as_error): Declare.
7313         * c-decl.c (implicit_decl_warning): Unless
7314         -Wno-implicit-function-declaration is given, emit a pedwarn if
7315         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7316         * c.opt (Wimplicit-function-declaration): Replace
7317         mesg_implicit_function_declaration with
7318         warn_implicit_function_declaration.
7319         * c-opts.c (c_common_handle_option):
7320         -Werror-implicit-function-declaration is exactly equal as
7321         -Werror=implicit-function-declaration.
7322         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7323         warn_implicit_function_declaration.
7324         (c_common_post_options): -Wimplict-function-declaration is enabled
7325         by default by -std=c99, otherwise is disabled by default.
7326         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7327
7328 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7329
7330         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7331         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7332         former is ignored but not the latter.
7333
7334 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7335
7336         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7337         is made and the reference doesn't use the alias set of its type,
7338         do not create the temporary using that type.
7339
7340 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7341
7342         * jump.c: Remove prototypes for delete_computation and
7343         delete_prior_computation.
7344
7345 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7346
7347         * jump.c (get_label_after): Delete.
7348         (get_label_before, delete_computation, delete_jump,
7349         delete_prior_computation, follow_jumps): Move...
7350         * reorg.c (delete_computation, delete_prior_computation): ... here...
7351         (get_label_before, delete_jump): ... making these static ...
7352         (follow_jumps): ... and simplifying this since it only runs after
7353         reload.
7354         * rtl.h (get_label_after, get_label_before, delete_jump,
7355         follow_jumps): Delete prototypes.
7356
7357 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7358
7359         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7360
7361 2007-02-15  Nick Clifton  <nickc@redhat.com>
7362
7363         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7364         order to prevent it from being munged by the target.
7365
7366 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7367
7368         * config/i386/i386.md: Remove misleading comment.
7369
7370 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7371
7372         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7373         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7374         invalid patterns.
7375
7376 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7377
7378         * tree-sra.c (instantiate_missing_elements): Canonicalize
7379         bit-field types.
7380         (sra_build_assignment): New.
7381         (generate_copy_inout, generate_element_copy,
7382         generate_element_zero, generate_one_element_init): Use it.
7383
7384 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7385
7386         * tree-sra.c (instantiate_missing_elements): Canonicalize
7387         bit-field types.
7388         (sra_build_assignment): New.
7389         (generate_copy_inout, generate_element_copy,
7390         generate_element_zero, generate_one_element_init): Use it.
7391
7392 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7393
7394         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7395         limbo die nodes.
7396
7397 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7398
7399         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7400         types as aggregates not scalars.
7401         * function.c (assign_stack_temp_for_type): Likewise.
7402
7403 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7404             Zdenek Dvorak  <dvorakz@suse.cz>
7405
7406         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7407         name.
7408
7409 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7410
7411         * passes.c (next_pass_1): Clear the next field of the copied
7412         pass structure.
7413
7414 2007-02-14  Richard Henderson  <rth@redhat.com>
7415
7416         * tree-sra.c (early_sra): New.
7417         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7418         (tree_sra_early, pass_sra_early): New.
7419         * tree-pass.h (pass_sra_early): Declare.
7420         * passes.c (init_optimization_passes): Use it.
7421
7422 2007-02-14  Richard Guenther  <rguenther@suse.de>
7423
7424         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7425
7426 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7427
7428          PR tree-optimization/30771
7429         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7430         also phi nodes.
7431         (vect_analyze_operations): Induction phis can now be marked as
7432         used_in_loop.
7433         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7434         Update documentation accordingly.
7435
7436 2007-02-14  Nick Clifton  <nickc@redhat.com>
7437
7438         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7439         most 3 arguments are supported.
7440         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7441
7442 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7443
7444         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7445         Ensure dst->current is valid.
7446
7447 2007-02-13  Paul Brook  <paul@codesourcery.com>
7448
7449         * config.gcc: Add arm*-*-uclinux-*eabi.
7450         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7451         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7452         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7453         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7454         (LINK_SPEC): Define.
7455         (LIB_SPEC): Define.
7456         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7457         register.
7458         * config/arm/uclinux-eabi.h: New file.
7459         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7460         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7461         based targets.
7462
7463 2007-02-13  Ian Lance Taylor  <iant@google.com>
7464
7465         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7466         * flags.h (warn_strict_overflow): Declare.
7467         (enum warn_strict_overflow_code): Define.
7468         (issue_strict_overflow_warning): New static inline function.
7469         * opts.c (warn_strict_overflow): New variable.
7470         (common_handle_option): Handle OPT_Wstrict_overflow and
7471         OPT_Wstrict_overflow_.
7472         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7473         OPT_Wall.
7474         * fold-const.c: Include intl.h.
7475         (fold_deferring_overflow_warnings): New static variable.
7476         (fold_deferred_overflow_warning): New static variable.
7477         (fold_deferred_overflow_code): New static variable.
7478         (fold_defer_overflow_warnings): New function.
7479         (fold_undefer_overflow_warnings): New function.
7480         (fold_undefer_and_ignore_overflow_warnings): New function.
7481         (fold_deferring_overflow_warnings_p): New function.
7482         (fold_overflow_warning): New static function.
7483         (make_range): Add strict_overflow_p parameter.  Change all
7484         callers.
7485         (extract_muldiv, extract_muldiv_1): Likewise.
7486         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7487         tree_expr_nonnegative_p.
7488         (fold_negate_expr): Call fold_overflow_warning.
7489         (fold_range_test): Likewise.
7490         (fold_comparison): Likewise.
7491         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7492         instead of tree_expr_nonnegative_p.
7493         (tree_expr_nonnegative_warnv_p): Rename from
7494         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7495         (tree_expr_nonnegative_p): New function.
7496         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7497         strict_overflow_p parameter.
7498         (tree_expr_nonzero_p): New function.
7499         * passes.c (verify_interpass_invariants): New static function.
7500         (execute_one_pass): Call it.
7501         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7502         warnings.
7503         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7504         (estimate_numbers_of_iterations): Likewise.
7505         (scev_probably_wraps_p): Likewise.
7506         * tree-ssa-ccp.c: Include "toplev.h".
7507         (evaluate_stmt): Defer fold overflow warnings until we know we are
7508         going to optimize.
7509         (struct fold_stmt_r_data): Add stmt field.
7510         (fold_stmt_r): Defer fold overflow warnings until we know we
7511         optimized.
7512         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7513         (fold_stmt_inplace): Likewise.
7514         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7515         (cleanup_control_expr_graph): Defer fold overflow warnings until
7516         we know we are going to optimize.
7517         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7518         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7519         Likewise.
7520         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7521         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7522         * tree-ssa-loop-manip.c (create_iv): Likewise.
7523         * c-typeck.c (build_conditional_expr): Likewise.
7524         (build_binary_op): Likewise.
7525         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7526         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7527         (extract_range_from_unary_expr): Likewise.
7528         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7529         assuming that signed overflow does not occur.
7530         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7531         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7532         (fold_defer_overflow_warnings): Declare.
7533         (fold_undefer_overflow_warnings): Declare.
7534         (fold_undefer_and_ignore_overflow_warnings): Declare.
7535         (fold_deferring_overflow_warnings_p): Declare.
7536         (tree_expr_nonzero_warnv_p): Declare.
7537         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7538         of warning options.
7539         (Warning Options): Document -Wstrict-overflow.
7540         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7541         (tree-ssa-ccp.o): Likewise.
7542         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7543         (fold-const.o): Depend on intl.h.
7544
7545 2007-02-13  Ian Lance Taylor  <iant@google.com>
7546
7547         PR middle-end/30751
7548         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7549         addresses.
7550
7551 2007-02-13  Stuart Hastings  <stuart@apple.com>
7552
7553         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7554
7555 2007-02-13  Richard Henderson  <rth@redhat.com>
7556
7557         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7558         handled_component_p before looking for the indirect_ref.
7559
7560 2007-02-13  Richard Henderson  <rth@redhat.com>
7561
7562         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7563         remove flags clobber.
7564         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7565         (bswaphi_lowpart): New.
7566         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7567         remove TARGET_BSWAP test.  Delete expander of the same name.
7568
7569         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7570         (expand_unop): Use them.
7571
7572 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7573
7574         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7575         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7576         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7577         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7578         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7579         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7580         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7581         assembler dialect choice from asm templates.
7582
7583 2007-02-12  Richard Henderson  <rth@redhat.com>
7584
7585         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7586         (fixuns_trunc<SSEMODEF>si2): Use it.
7587         * config/i386/sse.md (vec_setv4sf_0): Export.
7588         * config/i386/i386.c (ix86_build_const_vector): Export.
7589         (ix86_split_convert_uns_si_sse): Rename from
7590         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7591         * config/i386/i386-protos.h: Update.
7592
7593 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7594
7595         PR c/29521
7596         * c-typeck.c (c_finish_return): Improve warning message.
7597
7598 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7599
7600         * alias.c (find_symbolic_term): Delete unused function.
7601
7602 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7603
7604         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7605         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7606         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7607
7608 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7609
7610         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7611         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7612         the function, temporarily point the debug interface to the null one.
7613
7614 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7615
7616         * dwarf2out.c (round_up_to_align): New static function.
7617         (field_byte_offset): Use it to round the offset.
7618
7619 2007-02-12  Richard Henderson  <rth@redhat.com>
7620
7621         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7622         (inswl_const): Export.
7623
7624 2007-02-12  Richard Henderson  <rth@redhat.com>
7625
7626         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7627         result mode of the libcall, convert back to outmode.
7628
7629 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7630
7631         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7632         (bswapdi2): New define_expand to implement 32-bit implementation.
7633
7634 2007-02-12  Nick Clifton  <nickc@redhat.com>
7635
7636         * doc/invoke.texi (Overall Options): Document --help=.
7637         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7638         (cc1_options): Pass --help= on to cc1.
7639         (display_help): Add description of --help=.
7640         (process_command): Add code to handle --help=.  Allow translated
7641         --help and --target-help switches to be passed on to compiler
7642         sub-process.
7643         (main): Remove unused if statement.
7644         * opts.c (columns): Remove.
7645         (LEFT_COLUMN): Define.
7646         (wrap_help): Add columns argument.
7647         (print_filtered_help): Change parameters to be an include bitmask,
7648         an exclude bitmask, an any bitmask and the column width.  Move the
7649         code to display the params list here.  Add code to display the
7650         status of options rather than their descriptions if the quiet flag
7651         is not active.
7652         (print_specific_help): Change parameters to be an include bitmask,
7653         an exclude bitmask and an any bitmask.  Move code to look up the
7654         column width here.  Decide upon the title for an options listing.
7655         (common_handle_options): Add code to handle --help=.  Adapt code
7656         for --help and --target-help to use the revised form of the
7657         print_specific_help function.
7658         (print_help): Delete.
7659         (print_param_help): Delete.
7660         (print_switch): Delete.
7661         * opts.h (cl_lang_count): Add prototype.
7662         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7663         CL_MAX_OPTION_CLASS): New defines.
7664         * optc-gen.awk: Add construction of cl_lang_count.
7665         * c.opt: Add Warning attribute to warning options and Optimization
7666         attribute to optimization options.
7667         * common.opt: Likewise.
7668         Add --help=.
7669         Add -fhelp and -ftarget-help as aliases for the transformed --help
7670         and --target-help options.
7671         * opt-functions.awk: Add code to handle Warning and Optimization
7672         attributes.
7673
7674 2007-02-12  Richard Henderson  <rth@redhat.com>
7675
7676         * config/alpha/constraints.md: New file.
7677         * config/alpha/alpha.c: Include tm-constrs.h.
7678         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7679         alpha_extra_constraint): Remove.
7680         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7681         * config/alpha/alpha-protos.h: Update.
7682         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7683         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7684         (EXTRA_CONSTRAINT): Remove.
7685         * config/alpha/alpha.md: Include constraints.md.
7686         (adddi splitter): Use satisfies_constraint_*.
7687         * config/alpha/predicates.md (add_operand): Likewise.
7688         (sext_add_operand, addition_operation): Likewise.
7689
7690 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7691
7692         PR tree-optimization/29145
7693         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7694         in our handling of restrict qualified pointers.
7695
7696 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7697
7698         PR middle-end/7651
7699         * doc/invoke.texi (Wunused-value): Update description.
7700         (Wextra): Delete item.
7701         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7702         value of Wunused-value.
7703         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7704         (c_finish_stmt_expr): Don't check extra_warnings.
7705         (emit_side_effect_warnings): The caller is responsible to check
7706         warn_unused_value.
7707
7708 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7709             Matt Thomas  <matt@3am-software.com>
7710
7711         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7712
7713 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7714
7715         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7716         comparisons of POPCOUNT against zero.
7717         (simplify_const_relational_operation): Likewise.
7718
7719 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7720
7721         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7722
7723 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7724
7725         * dwarf2out.c (root_type): Delete unused function.
7726
7727 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7728
7729         * genattrtab.c (contained_in_p): Delete unused function.
7730         (write_expr_attr_cache): Likewise.
7731
7732 2007-02-11  Jan Hubicka  <jh@suse.cz>
7733
7734         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7735         previous patch.
7736
7737 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7738
7739         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7740         to add the REG_EQ* note.
7741         * see.c (see_merge_one_use_extension): Likewise.
7742         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7743         turn REG_EQUAL notes into REG_EQUIV notes if the target
7744         register may have more than one set.
7745         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7746         * gcse.c (try_replace_reg): Likewise.
7747         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7748         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7749         more than one REG_EQUIV note.
7750         * reload1.c (gen_reload): Use set_unique_reg_note.
7751
7752 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7753
7754         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7755         (ix86_builtin_conversion): New function.
7756
7757 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7758
7759         PR target/29487
7760         * tree.h (DECL_REPLACEABLE_P): New macro.
7761         * except.c (set_nothrow_function_flags): Likewise.
7762
7763 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7764             Ira Rosen  <irar@il.ibm.com>
7765             Dorit Nuzman  <dorit@il.ibm.com>
7766
7767         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7768         * targhooks.c (default_builtin_vectorized_conversion): New.
7769         * targhooks.h (default_builtin_vectorized_function): New declaration.
7770         * target.h (struct vectorize): Add builtin_conversion field.
7771         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7772         stmt_vec_info_type value.
7773         (vectorizable_conversion): New declaration.
7774         * tree-vect-analyze.c (vect_analyze_operations): Add
7775         vectorizable_conversion call.
7776         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7777         * tree-vect-transform.c (vectorizable_conversion): New function.
7778         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7779         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7780         mode.
7781         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7782         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7783         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7784         or ALTIVEC_BUILTIN_VCFSX.
7785
7786 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7787
7788         PR target/30634
7789         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7790         CONST_DOUBLE and operand 0 is a hard register.
7791         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7792         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7793         is a hard floating-point register.
7794
7795 2007-02-10  Richard Henderson  <rth@redhat.com>
7796             Jakub Jelinek  <jakub@redhat.com>
7797             Alexandre Oliva  <aoliva@redhat.com>
7798
7799         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7800         * builtin-types.def (BT_WORD): Make unsigned.
7801         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7802         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7803         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7804         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7805         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7806         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7807         emulated tls.
7808         * expr.c (emutls_var_address): New.
7809         (expand_expr_real_1): Expand emulated tls.
7810         (expand_expr_addr_expr_1): Likewise.
7811         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7812         * output.h (emutls_finish): Declare.
7813         * toplev.c (compile_file): Call it.
7814         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7815         address before wrapping in CONST.
7816         * varasm.c (emutls_htab, emutls_object_type): New.
7817         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7818         (get_emutls_object_name, get_emutls_object_type): New.
7819         (get_emutls_init_templ_addr, emutls_decl): New.
7820         (emutls_common_1, emutls_finish): New.
7821         (assemble_variable): When emulating tls, swap decls; generate
7822         constructor for the emutls objects.
7823         (do_assemble_alias): When emulating tls, swap decl and target name.
7824         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7825         for emulated tls.
7826         * varpool.c (decide_is_variable_needed): Look at force_output.
7827         Recurse for emulated tls.
7828         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7829         with decide_is_variable_needed.
7830         * emutls.c: New file.
7831         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7832         tls_object for real tls.
7833
7834 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7835
7836         PR rtl-optimization/29599
7837         * reload1.c (eliminate_regs_in_insn): Take the destination
7838         mode into account when computing the offset.
7839
7840 2007-02-09  Stuart Hastings  <stuart@apple.com>
7841             Richard Henderson  <rth@redhat.com>
7842
7843         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7844         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7845         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7846         fixuns_truncdfhi2): New.
7847         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7848         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7849         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7850         (floatunssidf2): Allow nonimmediate source.
7851         * config/i386/sse.md (movdi_to_sse): New.
7852         (vec_concatv2di): Drop '*'.
7853         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7854         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7855         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7856         New.
7857         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7858         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7859         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7860         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7861         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7862         ix86_build_const_vector.
7863         (x86_emit_floatuns): Rewrite.
7864
7865 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7866
7867         * genautomata.c (longest_path_length): Delete unused function.
7868         (struct state): Delete unused longest_path_length.
7869         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7870         (get_free_state): Delete unused.
7871
7872 2007-02-09  Jan Hubicka  <jh@suse.cz>
7873
7874         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7875         * doc/invoke.texi (inline-unit-growth): Update default value.
7876
7877         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7878         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7879         (rebuild_cgraph_edges): Likewise.
7880         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7881         (dump_cgraph_node): Dump frequencies.
7882         (cgraph_clone_edge): Add frequency scales.
7883         (cgraph_clone_node): Add freuqnecy.
7884         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7885         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7886         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7887         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7888         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7889         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7890         (save_inline_function_body): Likewise.
7891         * ipa-inline.c: inluce rtl.h
7892         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7893         (cgraph_edge_badness): Use frequencies.
7894         (cgraph_decide_recursive_inlining): Update clonning.
7895         (cgraph_decide_inlining_of_small_function): Dump frequency.
7896         * predict.c (estimate_bb_frequencies): Export.
7897         * predict.h (estimate_bb_frequencies): Declare.
7898         * tree-inline.c (copy_bb): Watch overflows.
7899         (expand_call_inline): Update call of cgraph_create_edge.
7900         (optimize_inline_calls): Use TODO flags to update frequnecies.
7901         * passes.h: Include predict.h
7902         (init_optimization_passes): Move profile ahead.
7903         (execute_function_todo): Handle TODO_rebuild_frequencies.
7904
7905 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7906
7907         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7908         the insbl or inswl pattern into a register.
7909
7910 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7911
7912         * config/ia64/ia64.md (bswapdi2): New define_insn.
7913
7914 2007-02-09  Richard Henderson  <rth@redhat.com>
7915
7916         * config/i386/constraints.md (Ym): New constraint.
7917         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7918         (movdi_1_rex64): Split sse and xmm general register moves from
7919         memory move alternatives.  Use conditional register constraints.
7920         (movsf_1, movdf_integer): Likewise.
7921         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7922         (movdf_integer_rex64): New.
7923         (pushsf_rex64): Fix output constraints.
7924         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7925         (sse2_stored): Likewise.
7926         (sse2_storeq_rex64): New.
7927         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7928         amd and not generic.
7929         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7930         for optimize_size.  Remove SF/DFmode hack.
7931
7932 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7933
7934         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7935         (bit_SSE4a): New.
7936
7937 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7938             Richard Sandiford  <richard@codesourcery.com>
7939
7940         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7941         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7942         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7943         m68k/t-mlib to tmake_file.
7944         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7945         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7946         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7947         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7948         variable is not empty, add t-$m68k_arch_family to tmake_file.
7949         Add t-mlibs to tmake_file.
7950         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7951         * config/m68k/t-cf: New file.
7952         * config/m68k/t-m68k: Likewise.
7953         * config/m68k/t-mlibs: Likewise.
7954         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7955         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7956         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7957         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7958         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7959         Delete.
7960         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7961         (INSTALL_LIBGCC): Delete.
7962         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7963         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7964         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7965         (M68K_MLIB_CPU): Define.
7966         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7967         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7968         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7969
7970 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7971             Richard Guenther  <rguenther@suse.de>
7972
7973         PR middle-end/23361
7974         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7975         against INT_MIN/INT_MAX.
7976         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7977         file if a loop is removed.
7978
7979 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7980
7981         * calls.c (store_one_arg): Pass correct alignment to
7982         emit_push_insn for non-BLKmode values.
7983         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7984         unaligned stack slot via a suitably aligned slot.
7985
7986 2007-02-08  DJ Delorie  <dj@redhat.com>
7987
7988         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7989         warnings.
7990         (legal_subregs): Use unsigned char, make const.
7991         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7992
7993 2007-02-08  Paul Brook  <paul@codesourcery.com>
7994
7995         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7996         special interworking needed.
7997
7998 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7999
8000         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8001         conditional to __SSE2__.
8002         (Entries below should have been added to first ChangeLog
8003         entry for amdfam10 dated 2007-02-05)
8004         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8005         defined.
8006         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8007         defined.
8008         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8009         defined.
8010
8011 2007-02-08  DJ Delorie  <dj@redhat.com>
8012
8013         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8014         * config/m32c/m32c.c (legal_subregs): New.
8015         (m32c_illegal_subreg_p): New.
8016         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8017         unsupported subregs of hard regs.
8018
8019 2007-02-08  Jan Hubicka  <jh@suse.cz>
8020
8021         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8022         the same one; always update histograms.
8023
8024 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8025
8026         * passes.c (init_optimization_passes): Tidy comment.
8027
8028 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8029
8030         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8031         strip zero_extend, bswap and rotates from POCOUNT's argument.
8032         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8033         zero_extend and rotates from PARITY's argument.
8034         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8035         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8036         of an integer constant at compile-time.
8037
8038 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8039
8040         PR 30562
8041         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8042         Update all users.
8043         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8044         users.
8045         (init_alias_info):
8046         * tree-ssa-live.c (remove_unused_locals): Do not remove
8047         TREE_ADDRESSABLE variables.
8048         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8049         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8050         FOR_CLOBBER.  Update all users.
8051         If VAR has an associated alias set, add a virtual operand for
8052         it if no alias is found to conflict with the memory reference.
8053
8054 2007-02-07  Jan Hubicka  <jh@suse.cz>
8055             Robert Kidd <rkidd@crhc.uiuc.edu>
8056
8057         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8058
8059 2007-02-07  Ian Lance Taylor  <iant@google.com>
8060
8061         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8062
8063 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8064
8065         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8066         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8067         tablejumpdi, movsi_to_cr_one): Remove constraints from
8068         define_expand's match_operands.
8069
8070 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8071
8072         * global.c (compute_regsets): Move declatation of "i" inside of
8073         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8074
8075 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8076
8077         PR c++/30703
8078         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8079         of INDIRECT_REF <RESULT_DECL>.
8080
8081         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8082
8083 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8084             Kaz Kojima  <kkojima@gcc.gnu.org>
8085
8086         PR target/29746
8087         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8088         properly.
8089         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8090
8091 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8092
8093         * doc/loop.texi: Document possibility not to perform disambiguation
8094         of loops with multiple latches.
8095         * cfgloopmanip.c (alp_enum_p): Removed.
8096         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8097         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8098         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8099         the new forwarder block.
8100         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8101         Handle the case latch is NULL.
8102         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8103         when marking loop exits.
8104         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8105         be modified.
8106         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8107         disambiguate_loops_with_multiple_latches.
8108         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8109         before fix_loop_structure.
8110         * cfgloop.c: Include pointer-set.h and output.h.
8111         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8112         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8113         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8114         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8115         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8116         disambiguate_multiple_latches, get_loop_body_with_size,
8117         disambiguate_loops_with_multiple_latches): New functions.
8118         (flow_loop_dump): Dump multiple latch edges.
8119         (flow_loop_nodes_find): Handle loops with multiple latches.
8120         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8121         (glb_enum_p): Modified.
8122         (get_loop_body): Use get_loop_body_with_size.
8123         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8124         (AVOID_CFG_MODIFICATIONS): New constant.
8125         (disambiguate_loops_with_multiple_latches, add_loop,
8126         get_loop_body_with_size): Declare.
8127         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8128
8129 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8130
8131         PR inline-asm/28686
8132         * global.c (compute_regsets): New function.
8133         (global_alloc): Refactored ELIMINABLE_REGSET
8134         and NO_GLOBAL_ALLOC_REGS computation out.
8135         (rest_of_handle_global_alloc): Call compute_regsets()
8136         for non-optimizing case.
8137
8138 2007-02-06  Richard Henderson  <rth@redhat.com>
8139
8140         * config/i386/constraints.md (Y2): Rename from Y.
8141         (Yi): New constraint.
8142         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8143         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8144         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8145         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8146         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8147         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8148         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8149         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8150         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8151         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8152         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8153         vec_extractv2si_1): Change Y constraints to Y2.
8154         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8155         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8156         Change Y constraints to Y2.
8157         (sse2_loadld): Change Y constraints to x.
8158
8159 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8160
8161         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8162         (parity<mode>2): New define_expand using rs6000_emit_parity.
8163         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8164         rs6000_emit_parity): New functions.
8165         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8166         rs6000_emit_parity): Prototype here.
8167
8168 2007-02-06  Ian Lance Taylor  <iant@google.com>
8169
8170         * lower-subreg.c (simple_move_operand): Reject CONST.
8171         (resolve_clobber): Call validate_change rather than directly
8172         assigning to XEXP (pat, 0).
8173
8174 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8175
8176         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8177         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8178         (tree-cfg.o): Remove hashtab.h dependency.
8179
8180         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8181         (struct ivopts_data): Change niters to pointer_map_t.
8182         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8183         (niter_for_exit): Create pointer_map on demand.  Change for
8184         pointer_map API.
8185         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8186         (free_loop_data): Destroy data->niters if created and reset field.
8187         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8188         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8189
8190         * tree-ssa-reassoc.c: Include pointer-set.h.
8191         (bb_rank): Change to long *.
8192         (operand_rank): Change to pointer_map_t.
8193         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8194         (insert_operand_rank): Accept long.
8195         (operand_entry_hash, operand_entry_eq): Remove.
8196         (get_rank): Return long.  Adjust for changes above.
8197         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8198         and operand_rank.
8199         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8200
8201         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8202         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8203         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8204         is not NULL.
8205         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8206         directly since it cannot be NULL.
8207         (get_vi_for_tree): Rewrite for pointer_map API.
8208         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8209         (init_alias_vars): Create vi_for_tree as pointer_map.
8210         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8211
8212         * tree-cfg.c: Don't include hashtab.h.
8213         (edge_to_cases): Declare as pointer_map.
8214         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8215         Delete.
8216         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8217         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8218         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8219         destroying it.
8220         (record_switch_edge): Delete.
8221         (get_cases_for_edge): Adjust for pointer_map API, inline
8222         record_switch_edge (rewritten for new API), remove goto.
8223
8224 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8225
8226         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8227         * tree-nested.c: Include pointer-set.h.
8228         (var_map_elt, var_map_eq, var_map_hash): Delete.
8229         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8230         to pointer_map_t's.
8231         (nesting_info_bitmap_obstack): New.
8232         (lookup_field_for_decl): Adjust for pointer_map API.
8233         (lookup_tramp_for_decl): Adjust for pointer_map API.
8234         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8235         (get_local_debug_decl): Adjust for pointer_map API.
8236         (convert_nl_goto_reference): Adjust for pointer_map API.
8237         (convert_nl_goto_receiver): Adjust for pointer_map API.
8238         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8239         the new obstack.  Create field_map and var_map as pointer_maps.
8240         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8241         (root): Delete.
8242         (lower_nested_functions): Move root here, no need to NULL it.
8243         Initialize and release the obstack.
8244
8245 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8246
8247         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8248         Remove prototypes and make them non-static.
8249         (struct tree_int_map): Remove.
8250         * tree.h (struct tree_int_map): Move here, turning TO into an
8251         unsigned int.
8252         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8253
8254         * tree.h (TREE_COMPLEXITY): Remove.
8255         (struct tree_exp): Remove complexity field.
8256         * tree.c (build1_stat): Don't set it.
8257
8258 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8259             Victor Kaplansky  <victork@il.ibm.com>
8260
8261         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8262         (vect_is_simple_reduction): Support reduction with induction as
8263         one of the operands.
8264         (vect_is_simple_iv_evolution): Fix formatting.
8265         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8266         formatting.  Don't mark induction phis for vectorization.
8267         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8268         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8269         (vect_get_vec_def_for_operand): Support induction.
8270         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8271         induction case.
8272         (vectorizable_reduction): Support reduction with induction as one of
8273         the operands.
8274         (vectorizable_type_demotion): Use def-type of stmt argument rather
8275         than dummy def-type.
8276
8277         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8278         flag_tree_scev_cprop.
8279         * common.opt (tree-scev-cprop): New flag.
8280
8281         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8282         call to vect_get_new_vect_var.
8283
8284 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8285
8286         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8287         vectype is not NULL.
8288         (vect_pattern_recog_1): Likewise.
8289
8290 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8291
8292         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8293         (fold_negate_expr): Likewise.
8294
8295 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8296
8297         PR debug/30189
8298         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8299         even if cv-qualification is the same.
8300
8301 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8302
8303         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8304         __enable_execute_stack on completion.
8305
8306 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8307
8308         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8309         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8310         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8311         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8312         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8313         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8314         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8315         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8316
8317 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8318
8319         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8320         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8321         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8322         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8323         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8324         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8325         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8326         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8327         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8328         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8329         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8330         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8331         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8332         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8333         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8334         sqrtextenddfxf2_i387): Added amdfam10_decode.
8335
8336         * config/i386/athlon.md (athlon_idirect_amdfam10,
8337         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8338         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8339         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8340         athlon_ivector_store_amdfam10): New define_insn_reservation.
8341         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8342         amdfam10.
8343
8344 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8345
8346         * config/i386/athlon.md (athlon_call_amdfam10,
8347         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8348         define_insn_reservation.
8349         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8350         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8351         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8352
8353 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8354
8355         * config/i386/athlon.md (athlon_sseld_amdfam10,
8356         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8357         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8358
8359 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8360
8361         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8362         define_insn_reservation.
8363         * config/i386/i386.md (sseins): Added sseins to define_attr type
8364         and define_attr unit.
8365         * config/i386/sse.md: Set type attribute to sseins for insertq
8366         and insertqi.
8367
8368 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8369
8370         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8371         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8372         ssecomi_load_amdfam10, ssecomi_amdfam10,
8373         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8374         define_insn_reservation.
8375         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8376
8377 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8378
8379         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8380         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8381         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8382         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8383         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8384         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8385         define_insn_reservation.
8386
8387         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8388         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8389         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8390         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8391         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8392
8393 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8394
8395         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8396         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8397         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8398         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8399         athlon_ssemul_load_k8): Added amdfam10.
8400
8401 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8402
8403         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8404         (x86_sse_unaligned_move_optimal): New variable.
8405
8406         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8407         m_AMDFAM10.
8408         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8409         for unaligned vector SSE double/single precision loads for AMDFAM10.
8410
8411 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8412
8413         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8414         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8415         Define TARGET_CPU_DEFAULT_amdfam10.
8416         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8417         (processor_type): Add PROCESSOR_AMDFAM10.
8418
8419         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8420         processor_type in config/i386/i386.h.
8421         Enable imul peepholes for TARGET_AMDFAM10.
8422
8423         * config.gcc: Add support for --with-cpu option for amdfam10.
8424
8425         * config/i386/i386.c (amdfam10_cost): New variable.
8426         (m_AMDFAM10): New macro.
8427         (m_ATHLON_K8_AMDFAM10): New macro.
8428         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8429         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8430         x86_promote_QImode, x86_integer_DFmode_moves,
8431         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8432         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8433         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8434         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8435         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8436         Enable/disable for amdfam10.
8437         (override_options): Add amdfam10_cost to processor_target_table.
8438         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8439         processor_alias_table.
8440         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8441         (ix86_adjust_cost): Add code for amdfam10.
8442
8443 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8444
8445         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8446         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8447         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8448         * config/i386/i386.h: Add builtin definition for SSE4A.
8449         * config/i386/i386.md: Add support for ABM instructions
8450         (popcnt and lzcnt).
8451         * config/i386/sse.md: Add support for SSE4A instructions
8452         (movntss, movntsd, extrq, insertq).
8453         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8454         Add -march=amdfam10 flag.
8455         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8456         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8457         and amdfam10.
8458         * doc/extend.texi: Add documentation for SSE4A builtins.
8459
8460 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8461
8462         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8463
8464 2007-02-05  Richard Guenther  <rguenther@suse.de>
8465
8466         * tree-vectorizer.h (vectorizable_function): Add argument type
8467         argument, change return type.
8468         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8469         * tree-vect-transform.c (vectorizable_function): Handle extra
8470         argument, return vectorized function decl.
8471         (build_vectorized_function_call): Remove.
8472         (vectorizable_call): Handle calls with result and argument types
8473         differing.  Handle loop vectorization factor correctly.
8474         * targhooks.c (default_builtin_vectorized_function): Adjust for
8475         extra argument.
8476         * targhooks.h (default_builtin_vectorized_function): Likewise.
8477         * target.h (builtin_vectorized_function): Add argument type
8478         argument.
8479         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8480         extra argument, allow vectorizing of lrintf.
8481         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8482         documentation of target hook.
8483
8484 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8485
8486         PR target/30665
8487         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8488         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8489         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8490
8491 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8492
8493         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8494         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8495         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8496         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8497         before canonicalizing sincos to cexpi.
8498         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8499
8500 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8501
8502         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8503         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8504         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8505
8506 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8507
8508         * mips-tfile.c (initialize_init_file): Correct endianness test.
8509
8510 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8511
8512         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8513         the 'y' constraint.
8514
8515 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8516
8517         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8518         saves in a PARALLEL before the register assignments.
8519
8520 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8521
8522         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8523         DWARF_FRAME_RETURN_COLUMN to be a general register.
8524         * dwarf2out.c (init_return_column_size): New function, split from...
8525         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8526         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8527         to be nongeneral registers.
8528         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8529         integer registers.
8530         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8531         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8532
8533 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8534
8535         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8536
8537 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8538
8539         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8540         (remove_path): Use can_remove_branch_p and remove_branch instead
8541         of loop_delete_branch_edge.
8542         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8543         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8544         Update profile using scale_dominated_blocks_in_loop.
8545         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8546         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8547         (can_remove_branch_p, remove_branch): Declare.
8548         * tree-cfg.c (tree_can_remove_branch_p): New function.
8549         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8550         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8551         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8552
8553 2007-02-05  Jan Hubicka  <jh@suse.cz>
8554
8555         PR middle-end/30696
8556         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8557         nodes in cgraph, don't remove offline copy of the function.
8558
8559 2007-02-04  Jan Hubicka  <jh@suse.cz>
8560
8561         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8562         vectors might cause maybe_lookup_element_for_expr to be called
8563         on non-sra-candidate.
8564
8565 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8566
8567         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8568         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8569         spelling conventions.
8570
8571 2007-02-04  Richard Guenther  <rguenther@suse.de>
8572
8573         PR middle-end/30636
8574         * fold-const.c (try_move_mult_to_index): Make sure to not
8575         overflow one dimension of a multi-dimensional array access.
8576
8577 2007-02-04  Jan Hubicka  <jh@suse.cz>
8578
8579         * passes.c (init_optimization_passes): Reindent.
8580
8581 2007-02-04  Jan Hubicka  <jh@suse.cz>
8582             Eric Botcazou  <ebotcazou@adacore.com>
8583
8584         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8585         (execute_fixup_cfg): Break out the abnormal goto code.
8586         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8587         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8588         (optimize_inline_calls): Call make_nonlocal_label_edges.
8589
8590 2007-02-04  Jan Hubicka  <jh@suse.cz>
8591
8592         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8593         true when something was changed.
8594         (rename_ssa_copies): When something was changed, do
8595         TODO_remove_unused_locals.
8596         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8597         add TODO_remove_unused_locals when instruction was removed.
8598
8599 2007-02-04  Jan Hubicka  <jh@suse.cz>
8600
8601         * ipa-inline.c (try_inline): Improve debug output; work on already
8602         inline edges too.
8603         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8604         call try_inline for already inlined edges too when flattening;
8605         inline also functions that make callee growth but overall unit size
8606         reduce.
8607
8608 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8609
8610         * config/m32c/bitops.md, config/m32c/jump.md,
8611         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8612         config/m32r/m32r.h, config/m32r/m32r.md,
8613         config/m32r/predicates.md, config/m68hc11/larith.asm,
8614         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8615         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8616         config/mips/mips-protos.h, config/mips/mips.c,
8617         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8618         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8619         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8620         spelling conventions.
8621
8622         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8623         Follow spelling conventions.
8624
8625 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8626
8627         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8628         warn about C++0x compatibility.
8629
8630 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8631
8632         * config/h8300/h8300.c, config/h8300/h8300.h,
8633         config/h8300/h8300.md: Follow spelling conventions.
8634
8635 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8636
8637         PR middle-end/30667
8638         * combine.c (try_combine): Do not substitute source operand
8639         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8640
8641 2007-02-03  Jan Hubicka  <jh@suse.cz>
8642
8643         PR gcov-profile/30650
8644         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8645         do not divide by zero for never executed counters.
8646         (tree_find_values_to_profile): Fix counters.
8647         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8648
8649 2007-02-03  Ian Lance Taylor  <iant@google.com>
8650
8651         * lower-subreg.c (simple_move_operand): New static function,
8652         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8653         operands.
8654         (simple_move): Call simple_move_operand.
8655         (find_decomposable_subregs): Add special handling of MEMs.
8656         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8657         meaning of return value.  If we see a hard register, test whether
8658         it can store a word_mode value.  Change all callers.
8659
8660 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8661
8662         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8663         ftrapv insns and expanders.
8664         (subdi3): Change define_expand operand 1 to arith11_operand, and
8665         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8666         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8667         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8668         respectively.
8669
8670         PR middle-end/30174
8671         * varasm.c (notice_global_symbol): Treat global objects as weak when
8672         flag_shlib is true.
8673
8674 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8675
8676         * emit-rtl.c (dconstpi): Delete.
8677         (dconstsqrt2): New.
8678         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8679         * real.h (dconstpi): Delete.
8680         (dconstsqrt2): New.
8681         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8682         (fold_builtin_hypot): Likewise.
8683
8684 2007-02-03  Tom Tromey  <tromey@redhat.com>
8685
8686         PR driver/30246
8687         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8688         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8689
8690 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8691
8692         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8693         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8694         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8695         config/rs6000/cell.md, config/rs6000/darwin.h,
8696         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8697         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8698         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8699         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8700         typos.  Follow spelling conventions.
8701         * doc/invoke.texi: Follow spelling conventions.
8702
8703 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8704
8705         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8706         canonicalization transformations that attempt to simplify integer
8707         constant comparisons to become comparisons against zero.
8708
8709 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8710
8711         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8712         fabs(x)*sqrt(2).
8713         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8714         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8715
8716 2007-02-02  Mike Stump  <mrs@apple.com>
8717
8718         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8719         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8720         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8721         generate a branch island.
8722
8723 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8724
8725         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8726         (xtensa_legitimate_address_p): New.
8727         (xtensa_legitimize_address): New.
8728         (xtensa_output_addr_const_extra): New.
8729         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8730         (BASE_REG_P): New.
8731         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8732         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8733         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8734         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8735         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8736         (xtensa_legitimize_address): New.
8737         (xtensa_output_addr_const_extra): New.
8738
8739 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8740
8741         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8742
8743 2007-02-02  Ian Lance Taylor  <iant@google.com>
8744
8745         * expmed.c (expand_divmod): Add comment.
8746
8747 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8748
8749         * emit-rtl.c (renumber_insns): Remove.
8750         * flags.h: Remove the extern for flag_renumber_insns.
8751         * rtl.h: Remove the prototype for renumber_insns.
8752         * toplev.c (flag_renumber_insns): Remove.
8753
8754 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8755
8756         Revert for x86 darwin:
8757         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8758
8759         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8760         code before the following patch under TARGET_MACHO.
8761         (ix86_function_value_regno_p): Likewise.
8762
8763 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8764
8765         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8766         COMPLEX_EXPR.
8767
8768 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8769
8770         PR target/29682
8771         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8772         general or fp registers.  Add comments.
8773         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8774
8775 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8776
8777         * pointer-set.c (insert_aux): Only return insertion slot.
8778         (pointer_set_insert): Adjust.
8779         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8780         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8781         pointer_map_traverse): New.
8782         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8783         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8784         pointer_map_contains, pointer_map_traverse): Declare.
8785
8786 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8787
8788         PR middle-end/30473
8789         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8790         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8791
8792 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8793
8794         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8795
8796         (struct _dep): New type.
8797         (dep_t): New typedef.
8798         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8799         (DEP_STATUS): New access macro.  The macro with the same name was
8800         renamed to DEP_LINK_STATUS.
8801         (dep_init): Declare function
8802
8803         (struct _dep_link): New type.
8804         (dep_link_t): New typedef.
8805         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8806         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8807         (DEP_LINK_STATUS): New macro.
8808         (debug_dep_links): New debug function.
8809
8810         (struct _deps_list): New type.
8811         (deps_list_t): New typedef.
8812         (DEPS_LIST_FIRST): New access macro.
8813         (FOR_EACH_DEP_LINK): New cycle macro.
8814         (create_deps_list, free_deps_list, delete_deps_list): Declare
8815         functions.
8816         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8817         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8818         (copy_deps_list_change_con): Ditto.
8819
8820         (move_dep_link): Declare function.
8821
8822         (struct _dep_node): New type.
8823         (dep_node_t): New typedef.
8824         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8825
8826         (struct haifa_insn_data.back_deps): New field to hold backward
8827         dependencies of the insn.
8828         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8829         to deps_list_t.
8830         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8831         Change its type to deps_list_t.
8832         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8833         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8834         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8835
8836         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8837
8838         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8839
8840         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8841         all callers.
8842         (dep_cost): Declare.
8843
8844         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8845         (ds_to_dk, dk_to_ds): New functions.
8846
8847         (init_dep_1): New static function.
8848         (init_dep): New function.
8849         (copy_dep): New static function.
8850
8851         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8852         functions.
8853         (detach_dep_link): New static function.
8854         (move_dep_link): New function.
8855
8856         (dep_links_consistent_p, dump_dep_links): New static functions.
8857         (debug_dep_links): New debugging function.
8858
8859         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8860
8861         (alloc_deps_list, init_deps_list): New static functions.
8862         (create_deps_list): New function.
8863         (clear_deps_list): New static function.
8864         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8865         (deps_list_consistent_p, dump_deps_list): New static functions.
8866         (debug_deps_list): New function.
8867         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8868         functions.
8869         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8870
8871         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8872         use new scheduler dependencies lists.
8873         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8874         (sched_analyze): Ditto.  Initialize dependencies lists.
8875         (add_forw_dep, compute_forward_dependences): Update to use new
8876         scheduler dependencies lists.
8877
8878         (init_dependency_caches): Init deps_obstack.
8879         (free_dependency_caches): Free deps_obstack.
8880
8881         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8882         new scheduler dependencies lists.
8883         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8884         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8885
8886         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8887         Update to use new scheduler dependencies lists.
8888         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8889         (debug_dependencies): Ditto.
8890         (schedule_region): Update comments.
8891
8892         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8893         scheduler dependencies lists.
8894         (schedule_ebb): Update comments.
8895
8896         * rtl.def (DEPS_LIST): Remove.
8897
8898         * lists.c (unused_deps_list): Remove.
8899         (free_list): Update assertions.
8900
8901         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8902         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8903
8904         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8905         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8906
8907         * haifa-sched.c (comments): Update.
8908         (insn_cost1): Remove.  Inline the code into insn_cost ().
8909         (insn_cost): Update to use new scheduler dependencies lists.  Move
8910         processing of the dependency cost to dep_cost ().
8911         (dep_cost): New function.  Use it instead of insn_cost () when
8912         evaluating cost of the dependency.  Use compatible interface to
8913         interact with the target.
8914         (priority): Update to use new scheduler dependencies lists.
8915         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8916         with greater number of insns that depend on the insn.
8917         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8918         code to free backward dependencies lists.  Inline and optimize code
8919         from resolve_dep () - see PR28071.
8920         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8921         lists.  Update call to targetm.sched.is_costly_dependence hook.
8922
8923         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8924         scheduler dependencies lists.
8925
8926         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8927         (init_h_i_d): Initialize dependencies lists.
8928
8929         (process_insn_depend_be_in_spec): Rename to
8930         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8931         dependencies lists.
8932         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8933         Update to use new scheduler dependencies lists.
8934         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8935
8936         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8937         new scheduler dependencies lists.
8938         (build_intra_loop_deps): Ditto.
8939
8940         * target.h (struct _dep): Declare to use in
8941         gcc_target.sched.is_costly_dependence.
8942         (struct gcc_target.sched.adjust_cost): Fix typo.
8943         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8944         single dep_t parameter instead of an equivalent triad.
8945         (struct gcc_target.sched.adjust_cost_2): Remove.
8946
8947         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8948
8949         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8950
8951         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8952         documentation.
8953         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8954
8955         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8956         (REG_DEP_TRUE): Document.
8957
8958         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8959         Change signature to correspond to the targetm.sched.adjust_cost hook.
8960         Update use in TARGET_SCHED_ADJUST_COST_2.
8961         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8962         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8963         new scheduler dependencies lists.
8964         (ia64_gen_check): Ditto.
8965
8966         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8967         dependencies lists.
8968
8969         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8970         signature to correspond to the targetm.sched.is_costly_dependence hook.
8971         (is_costly_group): Update to use new scheduler dependencies lists.
8972
8973         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8974         instead of INSN_COST () macro.
8975
8976 2007-02-01  Ian Lance Taylor  <iant@google.com>
8977
8978         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8979
8980 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8981
8982         * pa.md (tp_load): Correct mfctl instruction syntax.
8983
8984 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8985
8986         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8987         altivec_padding_size calculation on AIX.  Improve comment, add
8988         assert to verify that it's right.
8989
8990         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8991         64-bit.
8992
8993 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8994
8995         PR inline-asm/28686
8996         * global.c (global_alloc): Add mising initialization of
8997         ELIMINABLE_REGSET.
8998
8999 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9000
9001         * alias.c (init_alias_analysis): Correct whitespace.
9002         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9003         partition_hot_cold_basic_blocks): Likewise.
9004         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9005         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9006         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9007         fold_builtin_snprintf_chk, fold_builtin_printf,
9008         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9009         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9010         * cfgcleanup.c (cleanup_cfg): Likewise.
9011         * cfgexpand.c (tree_expand_cfg): Likewise.
9012         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9013         * function.c (get_next_funcdef_no): Likewise.
9014         * gengtype.c (main): Likewise.
9015         * genmodes.c (main): Likewise.
9016         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9017         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9018         * ifcvt.c (noce_emit_move_insn): Likewise.
9019         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9020         Likewise.
9021         * stor-layout.c (get_best_mode): Likewise.
9022         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9023         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9024         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9025         perform_var_substitution, solve_graph): Likewise.
9026         * tree-vrp.c (vrp_finalize): Likewise.
9027
9028 2007-02-01  Ian Lance Taylor  <iant@google.com>
9029
9030         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9031         high part of a paradoxical subreg, return a constant zero.
9032
9033 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9034
9035         * toplev.c (lang_dependent_init): Call init_set_costs.
9036         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9037
9038 2007-02-01  Richard Guenther  <rguenther@suse.de>
9039
9040         PR middle-end/30656
9041         * fold-const.c (fold_negate_expr): Allow negating a
9042         constant if overflow does not change.
9043
9044 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9045
9046         * doc/c-tree.texi (Expression trees): Improve markup.
9047         * doc/tm.texi (Register Classes, Addressing Modes)
9048         (Floating Point): Fix spacing after abbreviations.  Fix some
9049         typos.
9050
9051 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9052
9053         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9054         * doc/contrib.texi: Likewise.
9055         * doc/install.texi: Likewise.
9056
9057 2007-01-31  Richard Henderson  <rth@redhat.com>
9058             Ian Lance Taylor  <iant@google.com>
9059
9060         * lower-subreg.c: New file.
9061         * rtl.def (CONCATN): Define.
9062         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9063         pass_lower_subreg2.
9064         * emit-rtl.c (update_reg_offset): New static function, broken out
9065         of gen_rtx_REG_offset.
9066         (gen_rtx_REG_offset): Call update_reg_offset.
9067         (gen_reg_rtx_offset): New function.
9068         * regclass.c: Revert patch of 2006-03-05, restoring
9069         reg_scan_update.
9070         (clear_reg_info_regno): New function.
9071         * dwarf2out.c (concatn_loc_descriptor): New static function.
9072         (loc_descriptor): Handle CONCATN.
9073         * common.opt (fsplit_wide_types): New option.
9074         * opts.c (decode_options): Set flag_split_wide_types when
9075         optimizing.
9076         * timevar.def (TV_LOWER_SUBREG): Define.
9077         * rtl.h (gen_reg_rtx_offset): Declare.
9078         (reg_scan_update): Declare.
9079         * regs.h (clear_reg_info_regno): Declare.
9080         * tree-pass.h (pass_lower_subreg): Declare.
9081         (pass_lower_subreg2): Declare.
9082         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9083         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9084         -fsplit-wide-types.
9085         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9086         * Makefile.in (OBJS-common): Add lower-subreg.o.
9087         (lower-subreg.o): New target.
9088
9089 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9090
9091         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9092
9093 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9094
9095         PR target/19087
9096         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9097
9098 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9099
9100         PR middle-end/29335
9101         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9102
9103 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9104
9105         * cfgloop.h: Include vec-prim.h.
9106         (enum li_flags): Remove LI_ONLY_OLD.
9107         (loop_iterator): Changed.
9108         (fel_next, fel_init): Iterate over loop tree.
9109         (FOR_EACH_LOOP_BREAK): New macro.
9110         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9111         FOR_EACH_LOOP.
9112         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9113         * modulo-sched.c (sms_schedule): Ditto.
9114         * tree-vectorizer.c (vectorize_loops): Ditto.
9115         * doc/loop.texi: Update information on loop numbering and behavior of
9116         FOR_EACH_LOOP wrto new loops.
9117         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9118         add_to_evolution_1): Test nestedness of loops instead of comparing
9119         their numbers.
9120         * tree-chrec.c (chrec_fold_plus_poly_poly,
9121         chrec_fold_multiply_poly_poly, chrec_evaluate,
9122         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9123         reset_evolution_in_loop): Ditto.
9124         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9125
9126 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9127
9128         * c-common.c (warn_about_parentheses): Separate warning about
9129         un-parenthized sequence of comparison operators from the one
9130         which is supposed to warn about x <= y <= z.
9131
9132 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9133
9134         * optabs.h (enum optab_index): Add new OTI_isinf.
9135         (isinf_optab): Define corresponding macro.
9136         * optabs.c (init_optabs): Initialize isinf_optab.
9137         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9138         patterns.
9139         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9140         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9141         using isinf_optab.
9142         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9143         expand_builtin_interclass_mathfn.
9144         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9145         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9146         (fxam<mode>2_i387): New insn pattern.
9147         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9148         built-in functions as x87 inline asm.
9149
9150 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9151
9152         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9153
9154 2007-01-30  Eric Christopher  <echristo@apple.com>
9155
9156         * config.gcc: Add geode.
9157
9158 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9159
9160         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9161         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9162         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9163         value-prof.c: Fix comment typos.
9164
9165 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9166
9167         PR c++/24745
9168         * doc/invoke.texi (Wpointer-arith): Document warning.
9169
9170 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9171
9172         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9173         the list of discrepancies from the draft TR.
9174
9175 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9176
9177         PR c++/30601
9178         * doc/invoke.texi (-Wreturn-type): Update description to
9179         match new behavior.
9180
9181 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9182
9183         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9184
9185 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9186
9187         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9188         to handle optabs that operate on floating point input argument and
9189         output to integer output.
9190         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9191         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9192         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9193         expand_builtin_interclass_mathfn ().
9194         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9195         (ilogbsi2): Remove.
9196         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9197         ilogbl built-in functions as x87 intrinsics.
9198
9199 2007-01-30  Richard Guenther  <rguenther@suse.de>
9200
9201         PR middle-end/27657
9202         * dwarf2out.c (reference_to_unused): Query varpool if the
9203         variable was output.
9204
9205 2007-01-30  Richard Guenther  <rguenther@suse.de>
9206
9207         PR middle-end/30313
9208         * passes.c (execute_one_pass): Reset in_gimple_form to not
9209         confuse non-unit-at-a-time mode.
9210
9211 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9212             Richard Guenther  <rguenther@suse.de>
9213
9214         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9215         avoid undefined behaviour on overflow.  Use force_fit_type_double
9216         to construct the constant with the specified TREE_OVERFLOW.
9217
9218 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9219
9220         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9221         * config/dfp-bit.h: Ditto.
9222
9223 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9224
9225         * c-decl.c (pop_scope): Replace warnings with call to
9226         warn_for_unused_label.
9227         * c-common.h (warn_for_unused_label): Declare.
9228         * c-common.c (warn_for_unused_label): Define.
9229
9230 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9231
9232         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9233         function.
9234
9235 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9236
9237         * Makefile.in (USER_H): Remove decfloat.h.
9238         * ginclude/decfloat.h: Delete, moving contents to ...
9239         * ginclude/float.h: Add support for decimal floating point,
9240         guarded by __STDC_WANT_DEC_FP__.
9241
9242 2007-01-29  Mike Stump  <mrs@apple.com>
9243
9244         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9245         Analysis and Representation to resolve case insensitive conflict.
9246         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9247
9248 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9249
9250         * tree.h (struct tree_memory_tag): Add aliases member.
9251         (MTAG_ALIASES): New macro.
9252         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9253         (add_may_alias): Remove pointer-set. Update for may_aliases being
9254         a bitmap.
9255         (mark_aliases_call_clobbered): Update for may_aliases being a
9256         bitmap.
9257         (compute_tag_properties): Ditto.
9258         (create_partition_for): Ditto.
9259         (compute_memory_partitions): Ditto.
9260         (dump_may_aliases_for): Ditto.
9261         (is_aliased_with): Ditto.
9262         (add_may_alias_for_new_tag): Ditto.
9263         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9264         (compute_is_aliased): New function.
9265         (compute_may_aliases): Call compute_is_aliased).
9266         (init_alias_info): Initialize alias_bitmap_obstack.
9267         (union_alias_set_into): New function.
9268         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9269         (have_common_aliases_p): Rewrite to take two bitmaps and use
9270         intersection.
9271         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9272         Update for bitmaps.
9273         (finalize_ref_all_pointers): Update for add_may_alias changes.
9274         (new_type_alias): Ditto.
9275         * tree-flow-inline.h (may_aliases): Return a bitmap.
9276         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9277         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9278         may_aliases being a bitmap.
9279         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9280         may_aliases now returns a bitmap.
9281         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9282         being a bitmap.
9283         * tree-ssa-operands.c (add_virtual_operand): Update for
9284         may_aliases being a bitmap.
9285
9286 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9287
9288         PR tree-optimization/30630
9289         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9290         variable as changed.
9291
9292 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9293
9294         PR c++/28266
9295         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9296         expanded only once even if an error occurs.
9297
9298 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9299
9300         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9301         (__gcov_average_profiler): Likewise.
9302         (__gcov_ior_profiler): Likewise.
9303         (__gcov_merge_ior): Likewise.
9304
9305 2007-01-28  Jan Hubicka  <jh@suse.cz>
9306
9307         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9308         * value-prof.c (stringop_block_profile): Likewise.
9309
9310 2007-01-28  Jan Hubicka  <jh@suse.cz>
9311
9312         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9313         variant handling histograms; add wrapper.
9314         (clear_storage_via_libcall): Export.
9315         (emit_block_move_hints): Break out from ...; add histograms.
9316         (emit_block_move): ... this one.
9317         (clear_storage_hints): Break out from ...; add histograms.
9318         (clear_storage): ... this one.
9319         (set_storage_via_memset): Handle histogram.
9320         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9321         (clear_storage_hints, clear_storage_via_libcall): Declare.
9322         (set_storage_via_setmem): Update prototype.
9323         * doc/md.texi (movmem, setmem): Document new arguments.
9324
9325         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9326         new histograms.
9327         (stringop_block_profile): New global function.
9328         (tree_stringops_values_to_profile): Profile block size and alignment.
9329         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9330         HIST_TYPE_IOR.
9331         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9332         (stringop_block_profile): Declare.
9333         * builtins.c: Include value-prof.h.
9334         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9335         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9336         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9337         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9338         * profile.c (instrument_values): Add new counters.
9339         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9340         calls.
9341         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9342         (tree_init_edge_profiler): Build new profilers.
9343         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9344         (pass_tree_profile): Add dump.
9345         (tree_profile_hooks): Update.
9346         * Makefile.in (LIBGCOV): Add new constants.
9347         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9348         __gcov_ior_profiler): New.
9349         * i386.md (movmem/setmem expanders): Add new optional arguments.
9350
9351 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9352
9353         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9354
9355 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9356
9357         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9358         (tree_unswitch_single_loop): Pass eni_size_weights to
9359         tree_num_loop_insns.
9360         * tree-ssa-loop-manip.c: Include tree-inline.h.
9361         (can_unroll_loop_p): Pass eni_size_weights to
9362         tree_num_loop_insns.
9363         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9364         Pass eni_size_weights to estimate_num_insns.
9365         * tree.h (init_inline_once): Export.
9366         * toplev.c (backend_init): Call init_inline_once.
9367         * cgraphunit.c (cgraph_process_new_functions,
9368         cgraph_analyze_function): Pass eni_inlining_weights to
9369         estimate_num_insns.
9370         * ipa-inline.c (compute_inline_parameters): Ditto.
9371         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9372         to estimate_num_insns.
9373         (try_unroll_loop_completely): Pass eni_size_weights to
9374         tree_num_loop_insns.
9375         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9376         ot estimate_num_insns.
9377         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9378         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9379         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9380         eni_time_weights): New variables.
9381         (init_inline_once): Initialize them.
9382         (struct eni_data): Mew.
9383         (estimate_num_insns_1, estimate_num_insns): Use weights.
9384         * tree-inline.h (struct eni_weights_d): New.
9385         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9386         (estimate_num_insns): Declaration changed.
9387         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9388         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9389         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9390
9391 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9392
9393         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9394         relations in the conflict function is valid.
9395
9396 2007-01-27  Ian Lance Taylor  <iant@google.com>
9397
9398         * common.opt: Add fstrict-overflow.
9399         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9400         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9401         (TYPE_OVERFLOW_UNDEFINED): Define.
9402         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9403         Replace all uses.
9404         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9405         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9406         (fold_negate_expr): Likewise.
9407         (make_range): Likewise.
9408         (extract_muldiv_1): Likewise.
9409         (maybe_canonicalize_comparison): Likewise.
9410         (fold_comparison): Likewise.
9411         (fold_binary): Likewise.
9412         (tree_expr_nonnegative_p): Likewise.
9413         (tree_expr_nonzero_p): Likewise.
9414         * tree-vrp.c (compare_values): Likewise.
9415         (extract_range_from_binary_expr): Likewise.
9416         (extract_range_from_unary_expr): Likewise.
9417         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9418         Likewise.
9419         (nowrap_type_p): Likewise.
9420         * tree-scalar-evolution.c (simple_iv): Likewise.
9421         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9422         (build_range_check): Likewise.
9423         (extract_muldiv_1): Likewise.
9424         (fold_comparison): Likewise.
9425         * tree-vrp.c (vrp_int_const_binop): Likewise.
9426         (extract_range_from_unary_expr): Likewise.
9427         * convert.c (convert_to_integer): Likewise.
9428         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9429         (fold_comparison): Likewise.
9430         (fold_binary): Likewise.
9431         * optabs.c (optab_for_tree_code): Likewise.
9432         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9433         * simplify-rtx.c (simplify_const_relational_operation): Check
9434         flag_strict_overflow and flag_trapv.
9435         (simplify_const_relational_operation): Likewise.
9436         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9437         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9438         -fstrict-overflow.
9439
9440 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9441
9442         * tree.c (tree_fold_gcd): Delete.
9443         * tree.h (tree_fold_gcd): Remove prototype.
9444         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9445         test whether one constant integer is a multiple of another.  Instead
9446         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9447         * fold-const.c (multiple_of_p):  We've determined both TOP and
9448         BOTTOM are integer constants so we can call int_const_binop directly
9449         instead of the more generic const_binop.
9450
9451 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9452
9453         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9454         1*X check that the constant hasn't overflowed, to preserve the
9455         TREE_OVERFLOW bit.
9456         (round_up): Provide an efficient implementation when rouding-up an
9457         INTEGER_CST to a power-of-two.
9458
9459 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9460
9461         * doc/sourcebuild.texi: Add comma for clarity.
9462         * doc/extend.texi: Fix some typos.
9463         * doc/passes.texi: Likewise.
9464         * doc/cppinternals.texi: Likewise.
9465         * doc/c-tree.texi: Likewise.
9466         * doc/tree-ssa.texi: Likewise.
9467         * doc/install.texi: Likewise.
9468
9469 2007-01-27  Jan Hubicka  <jh@suse.cz>
9470
9471         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9472         (pass_sra): Do not require alias information.
9473         * passes.c (init_optimization_passes): Add SRA
9474
9475 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9476
9477         * tracer.c (rest_of_handle_tracer): We already cleaned
9478         up the CFG in tracer() so don't do it here again.
9479         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9480         cleanup_cfg here, either.  And don't call renumber_insns.
9481
9482         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9483         and BB_HEAD are in the insn stream here.  Instead make sure
9484         that BB_INSN is valid on all insns.  Also, do check here that
9485         there are no pending branch predictions...
9486         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9487         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9488         here.
9489
9490 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9491
9492         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9493         function to simplify/factorize operand order canonicalization.
9494         (ix86_fixup_binary_operands): Reorganize using the above function.
9495         (ix86_binary_operator_ok): Likewise.
9496
9497 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9498
9499         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9500         file scope from optimize_attrs.
9501         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9502         up search.
9503         (optimize_attrs): Clear insn_code_values after freeing it.
9504
9505 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9506
9507         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9508         a parts.base assignment.
9509
9510 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9511
9512         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9513         (compute_subscript_distance, initialize_data_dependence_relation,
9514         finalize_ddr_dependent, analyze_ziv_subscript,
9515         analyze_siv_subscript_cst_affine,
9516         compute_overlap_steps_for_affine_univar,
9517         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9518         analyze_siv_subscript, analyze_miv_subscript,
9519         analyze_overlapping_iterations, subscript_dependence_tester_1,
9520         compute_self_dependence, free_dependence_relation): Work
9521         with affine_fn instead of chrecs.
9522         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9523         common_affine_function, affine_function_base,
9524         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9525         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9526         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9527         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9528         (all_chrecs_equal_p): Removed.
9529         * tree-data-ref.h (affine_fn, conflict_function): New types.
9530         (struct subscript): Change type of conflicting_iterations_in_a
9531         and conflicting_iterations_in_b.
9532
9533 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9534
9535         PR other/30182
9536         * config/pa/pa.h (TARGET_HPUX_11): New.
9537         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9538         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9539
9540 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9541         Richard Guenther  <rguenther@suse.de>
9542
9543         * tree-ssa-structalias.c (solve_graph): Handle case
9544         we merged the variable to another.
9545
9546 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9547
9548         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9549         functions.
9550
9551         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9552         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9553
9554 2007-01-25  DJ Delorie  <dj@redhat.com>
9555
9556         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9557         allow changes to modes which don't fit in those registers.
9558
9559         * reload1.c (choose_reload_regs): Check for invalid subregs before
9560         computing their locations, not after.
9561
9562 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9563
9564         PR 25127
9565         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9566         save Altivec registers in an eh_return function.
9567         (compute_vrsave_mask): Likewise.
9568         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9569         for saving Altivec registers.
9570         (rs6000_emit_prologue): Don't allocate stack twice in
9571         eh_return function.  Correct expected value of altivec_save_offset
9572         when using save_world.  Describe save of R0 to stack when using
9573         save_world.  Describe stack pointer adjustment when using
9574         save_world.  Remove duplicated eh_return parameter register saving.
9575         Update sp_offset variable after save_world.
9576         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9577         darwin-world.asm.
9578         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9579         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9580         implies Altivec.
9581
9582 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9583
9584         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9585
9586 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9587
9588         PR other/30182
9589         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9590         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9591
9592 2007-01-25  Richard Guenther  <rguenther@suse.de>
9593
9594         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9595         * common.opt (-Wcoverage-mismatch): New warning option.
9596         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9597         if -Wcoverage-mismatch is given.
9598
9599 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9600
9601         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9602         (ipcp_driver): Change to static definition.
9603         Add dumping of the ifunctions.
9604         (constant_val_insert): Remove unused parameter. Support for SSA.
9605         (ipcp_propagate_const): Support for SSA.
9606         (ipcp_profile_bb_print): Print only analyzed nodes.
9607         (ipcp_replace_map_create): Remove support for Fortran constant
9608         for now.
9609         * ipa-prop.c (ipa_method_modify_stmt,
9610         ipa_callsite_compute_param): Support for SSA.
9611         * ipa-prop.h (ipcp_driver): Remove declaration.
9612         (IS_VALID_TREE_MAP_INDEX): Add define.
9613
9614 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9615
9616         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9617
9618 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9619
9620         PR middle-end/30447
9621         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9622         constant argument to cabs and do it without checking for
9623         -funsafe-math-optimizations.
9624
9625 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9626
9627         * c-common.h (RID_FIRST_CXX0X): New.
9628         (RID_LAST_CXX0X): New.
9629         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9630         by -Wall.
9631         * c.opt (Wc++0x-compat): New.
9632         * doc/invoke.texi (-Wc++0x-compat): Document.
9633
9634 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9635
9636         * builtins.c (fold_builtin_carg): New.
9637         (fold_builtin_1): Use it.
9638
9639 2007-01-24  Jan Hubicka  <jh@suse.cz>
9640
9641         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9642
9643         * ipa-inline.c (initial_insns, max_insns): Delete.
9644         (compute_max_insns): New function.
9645         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9646         of insns as base for code growth.
9647         (cgraph_decide_inlining): Make initial_insns local; do not compute
9648         max_insns.
9649         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9650         * doc/invoke.texi (inline-unit-growth): Update docs.
9651
9652 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9653
9654         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9655         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9656         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9657         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9658         for CPUs that have PTA_CX16 set.
9659
9660         PR middle-end/27416
9661         * gimplify.c (omp_check_private): New function.
9662         (gimplify_scan_omp_clauses): Use it for
9663         firstprivate/lastprivate/reduction.
9664
9665         PR middle-end/30494
9666         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9667         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9668
9669         PR middle-end/30421
9670         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9671         If lower_lastprivate_clauses emits some statements, append them
9672         to dlist rather than body_p and to body_p append an initializer.
9673         (lower_omp_for): Adjust caller.
9674
9675 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9676
9677         * target.h (globalize_decl_name): New.
9678         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9679         * output.h (default_globalize_decl_name): New.
9680         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9681         globalize_label.
9682         (globalize_decl): Ditto.
9683         (default_globalize_decl_name): New.
9684         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9685         (ia64_handle_version_id_attribute): New.
9686         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9687         (ia64_asm_output_external): Use globalize_decl_name instead
9688         of globalize_label.
9689         * doc/extend.texi (version_id): New pragma.
9690         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9691
9692 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9693
9694         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9695         _uleb128_t and _Unwind_SWord with _sleb128_t.
9696         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9697         uw_frame_state_for, uw_update_context_1): Likewise.
9698         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9699         * unwind-pe.h (read_uleb128, read_sleb128,
9700         read_encoded_value_with_base): Likewise.
9701         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9702
9703 2007-01-24  Richard Guenther  <rguenther@suse.de>
9704
9705         * builtins.c (expand_builtin_cexpi): Get the fndecl
9706         for cexp in the correct way.
9707
9708 2007-01-24  Jan Hubicka  <jh@suse.cz>
9709
9710         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9711
9712 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9713
9714         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9715         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9716         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9717         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9718         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9719         __SIZEOF_PTRDIFF_T__.
9720         * doc/cpp.texi: Documentation for the new builtin macros added.
9721
9722 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9723
9724         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9725         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9726         instead of operands[2] to avoid access past the end of array.
9727
9728 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9729
9730         * reload1.c (emit_reload_insns): Pass the reload register
9731         for a non-spill output reload through forget_old_reloads_1.
9732
9733 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9734
9735         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9736         _SOFT_DOUBLE if doubles use software floating-point.
9737         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9738         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9739         * config/rs6000/darwin-ldouble.c: Also compile functions for
9740         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9741         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9742         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9743         commented-out long double override.
9744         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9745         * config/rs6000/eabispe.h: Likewise.
9746         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9747         long double for non-SPE.
9748         (rs6000_handle_option): Likewise.
9749         (invalid_e500_subreg): Disallow more subregs involding DImode,
9750         DFmode, TImode or TFmode.
9751         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9752         E500 double.
9753         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9754         double.
9755         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9756         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9757         double.
9758         (rs6000_legitimate_address): Also check for TFmode for E500
9759         double.
9760         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9761         (spe_build_register_parallel): Handle TFmode and TCmode.
9762         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9763         double.
9764         (function_arg): Handle TFmode and TCmode for E500 double.
9765         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9766         in general.
9767         (print_operand): Handle TFmode and TImode for %y.
9768         (rs6000_generate_compare): Handle TFmode comparisons for E500
9769         double.
9770         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9771         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9772         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9773         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9774         TFmode for E500 double.
9775         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9776         (floatsidf2): Enable for E500 double.
9777         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9778         (extenddftf2): Change to extenddftf2_fprs.
9779         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9780         depending on TARGET_E500_DOUBLE.
9781         (extendsftf2): Enable for E500 double.
9782         (trunctfdf2): Enable for E500 double.
9783         (trunctfsf2): Change to trunctfsf2_fprs.
9784         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9785         depending on TARGET_E500_DOUBLE.
9786         (floatsitf2): Enable for E500 double.
9787         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9788         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9789         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9790         (negtf2): Change to negtf2_internal.
9791         (negtf2): New expander.
9792         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9793         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9794         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9795         (movdi_internal32): Use rs6000_nonimmediate_operand.
9796         (unnamed splitter): Likewise.
9797         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9798         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9799         (SPE64TF, DITI): New mode macros.
9800         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9801         modes.
9802         (frob_tf_ti): New.
9803         (frob_<mode>_di_2): New.
9804         (frob_tf_di_8_2): New.
9805         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9806         (frob_ti_tf): New.
9807         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9808         more modes.
9809         (frob_ti_<mode>_8_2): New.
9810         (frob_ti_tf_2): New.
9811         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9812         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9813         TFmode.
9814         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9815         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9816         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9817         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9818         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9819         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9820         tsttflt_gp): New.
9821
9822 2007-01-23  Ian Lance Taylor  <iant@google.com>
9823
9824         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9825         insn-*.o first.
9826         (OBJS-archive): Reformat, alphabetize.
9827         (OBJS): Change out_object_file to OBJS-md.
9828
9829 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9830
9831         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9832         JUMP_P and CALL_P predicates where applicable.
9833         * config/i386/i386.c: Ditto.
9834         * config/i386/i386.md: Ditto.
9835         * config/i386/mmx.md: Ditto.
9836         * config/i386/predicates.md: Ditto.
9837
9838 2007-01-22  Andreas Schwab  <schwab@suse.de>
9839
9840         * config/m68k/m68k.h: Fix comment.
9841
9842 2007-01-22  Jan Hubicka  <jh@suse.cz>
9843
9844         * passes.c (init_optimization_passes): Do not rerun
9845         pass_early_warn_uninitialized.
9846
9847 2007-01-22  Richard Guenther  <rguenther@suse.de>
9848
9849         PR tree-optimization/30038
9850         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9851         function.
9852         (execute_cse_sincos_1): Likewise.
9853         (execute_cse_sincos): Likewise.
9854         (gate_cse_sincos): Likewise.
9855         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9856         the cexpi() canonicalization of sincos().
9857         * tree-pass.h (pass_cse_sincos): Declare.
9858         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9859
9860 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9861
9862         PR rtl-optimization/29329
9863         * combine.c (replaced_rhs_insn): Rename to i2mod.
9864         (replaced_rhs_value): Rename to i2mod_new_rhs.
9865         (i2mod_old_rhs): New global variable.
9866         (combine_instructions): Adjust for above change.  Save a copy of
9867         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9868         note are substituted in the second instruction.
9869         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9870         ditch the note if it pertains to the second eliminated register
9871         and this register is mentioned in i2mod_old_rhs.
9872
9873         Revert:
9874         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9875
9876         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9877         the insn to which the note was originally attached.
9878
9879 2007-01-21  Jan Hubicka  <jh@suse.cz>
9880
9881         * ipa-inline.c (inlining_mode): Comment, move up.
9882         (cgraph_decide_inlining_incrementally): Do not perform inlining
9883         itself; fix handling of flattening of self recursive functions.
9884         (cgraph_find_cycles): Remove.
9885         (cgraph_flatten_node): Remove.
9886         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9887         (try_inline): New function.
9888         (cgraph_early_inlining): Update call of
9889         cgraph_decide_inlining_incrementally.  Apply inlining here.
9890         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9891
9892 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9893
9894         PR bootstrap/30511
9895         * tree-vrp.c (check_array_bounds): do not warn
9896         about ADDR_EXPR's of ARRAY_REF's which are immediately
9897         used in binary expressions.
9898
9899 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9900
9901         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9902         read_write_dep and macros for its access.
9903         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9904         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9905         argument, call vect_check_interleaving for every independent pair of
9906         data-refs. Mark loads that access the same memory location as a store
9907         in the loop.
9908         (vect_check_dependences): Remove.
9909         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9910         call, fix the call to vect_analyze_data_ref_dependence.
9911         (vect_analyze_data_ref_access): For statements that access the same
9912         data-ref, check that they are not stores; for loads, check that there
9913         is no store that access the same location.
9914
9915 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9916             Joseph Myers  <joseph@codesourcery.com>
9917
9918         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9919         (-fdump-rtl-stack): Likewise.
9920         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9921         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9922         (-mpt-fixed): Use @minus{} for minus sign.
9923         (Using Precompiled Headers): Fix under/overfull hbox.
9924
9925 2007-01-20  Jan Hubicka  <jh@suse.cz>
9926
9927         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9928         place within annotation.
9929
9930 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9931
9932         * pa.c (output_move_double): Change array size of xoperands to 4.
9933
9934 2007-01-20  Jan Hubicka  <jh@suse.cz>
9935
9936         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9937         as temporary.
9938
9939 2007-01-19  Ian Lance Taylor  <iant@google.com>
9940
9941         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9942         constant to unsigned HOST_WIDE_INT before negating.
9943
9944 2007-01-19  Ian Lance Taylor  <iant@google.com>
9945
9946         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9947         to unsigned.
9948         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9949         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9950         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9951         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9952         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9953         (realloc_vdef, realloc_vuse): Change second parameter to
9954         unsigned.
9955         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9956         fields to unsigned.
9957         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9958         unsigned. Change x and lim locals to unsigned.
9959         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9960         unsigned.
9961         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9962         (copy_virtual_operands): Change i and n locals to unsigned.
9963
9964 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9965
9966         PR middle-end/29335
9967         * builtins.c (fold_builtin_1): Handle builtin fdim.
9968
9969 2007-01-20  Jan Hubicka  <jh@suse.cz>
9970
9971         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9972         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9973         init_alias_heapvars.
9974         (init_alias_heapvars): Initialize only when not already initialized.
9975         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9976
9977 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9978
9979         * common.opt (fsigned-zeros): New command line option.
9980         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9981         of flag_unsafe_math_optimizations.
9982         * opts.c (set_fast_math_flags): The -ffast-math command line option
9983         implies -fno-signed-zeros.
9984         (fast_math_flags_set_p): Likewise.
9985
9986         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9987         the documentation of -ffast-math appropriately.  Wrap long lines.
9988
9989 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9990
9991         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9992         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9993
9994 2007-01-19  Tomas Bily  <tbily@suse.cz>
9995
9996         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9997         * tree-profile.c:
9998         (tree_init_ic_make_global_vars): New function
9999         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10000         (tree_gen_ic_profiler): New function
10001         (tree_gen_ic_func_profiler): New function
10002         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10003         (tree_profile_hooks): Added hook for indirec/virtual calls
10004         * value-prof.c (tree_find_values_to_profile): New case for
10005         indirect calls
10006         (tree_values_to_profile): Call for determining indirect/virtual
10007         counters
10008         (tree_indirect_call_to_profile): New function
10009         (tree_ic_transform): New function
10010         (tree_ic): New function
10011         (find_func_by_pid): New function
10012         (init_pid_map): New function
10013         (tree_value_profile_transformations): Added check for
10014         indirect/virtual call transformation
10015         * value-prof.h (enum hist_type): New counter type for
10016         indirect/virtual calls
10017         (profile_hooks): Added new hook for profiling indirect/virtual
10018         calls
10019         * profile.c (instrument_values): New case for indirect/virtual
10020         call added
10021         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10022         (GCOV_COUNTER_V_INDIR): New counter type
10023         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10024         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10025         call added
10026         * cgraph.c: Definition of cgraph_max_pid
10027         (cgraph_create_node): Default init of pid attribute
10028         * cgraph.h: Declaration of cgraph_max_pid
10029         (struct cgraph_node): Added pid attribute
10030         * libgcov.c (__gcov_indirect_call_profiler): New function
10031         (__gcov_one_value_profiler_body): New function
10032         (__gcov_one_value_profiler): Body was moved to
10033         __gcov_one_value_profiler_body and calls it
10034
10035 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10036
10037         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10038         * gengtype.c (write_types_data, write_func_for_structure,
10039         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10040         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10041         (walk_type, write_func_for_structure): Generate the mark_hook if
10042         needed.
10043
10044 2007-01-19  Jan Hubicka  <jh@suse.cz>
10045
10046         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10047         'early' argument take inlining mode argument specifying whether to
10048         inline for size/speeed or all functions; add support for flattening;
10049         improve dumpting.
10050         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10051
10052 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10053
10054         PR c++/17947
10055         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10056         the name of the declared identifier.
10057
10058 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10059
10060         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10061         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10062         duplicate evaluation.
10063
10064 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10065
10066         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10067         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10068         to XFMode, use acosxf2 and truncate result to requested mode.
10069         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10070         (asin<mode>2): Similarly, with asin expanders.
10071         (*fscalexf4_i387): Rename from *fscalexf4.
10072         (expNcorexf3): New expander.
10073         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10074         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10075         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10076         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10077         patterns for SSE math.
10078         (exp10<mode>2): Similarly, with exp10 expanders.
10079         (exp2<mode>2): Similarly, with exp2 expanders.
10080         (expm1<mode>2): Similarly, with expm1 expanders.
10081         (ldexp<mode>3): Similarly, with ldexp expanders.
10082         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10083         Use gen_truncxf<mode>2_i387_noop to truncate result.
10084
10085 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10086
10087         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10088         for ColdFire targets.
10089
10090 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10091             Richard Sandiford  <richard@codesourcery.com>
10092
10093         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10094         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10095         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10096         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10097         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10098         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10099
10100 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10101
10102         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10103         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10104         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10105         (*adddi_dilshr32_cf): New pattern.
10106         (adddi3, subdi3): Remove first alternatives.
10107
10108 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10109
10110         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10111         implemented using move.l, do not use its cc result for floating-point
10112         comparisons.
10113
10114 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10115
10116         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10117         from accepting 's' constraints if flag_pic.
10118
10119 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10120
10121         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10122         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10123         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10124         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10125
10126 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10127
10128         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10129         ColdFire alternatives.
10130         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10131         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10132         architectures that support ff1 instruction.
10133
10134 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10135             Julian Brown  <julian@codesourcery.com>
10136
10137         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10138         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10139         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10140         Add commentary.
10141
10142 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10143
10144         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10145         and return a bool.
10146         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10147         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10148         HOST_WIDE_INT instead of an rtx.
10149         (m68k_rtx_costs): Update call accordingly.
10150         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10151         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10152         Return a bool.
10153         (output_move_simode_const): Update calls after above changes.
10154         Rework to use automatic variables and predicates like MEM_P.
10155         * config/m68k/m68k.md (pushexthisi_const): Update call to
10156         valid_mov3q_const.
10157
10158 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10159
10160         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10161         in dump_flags test.
10162
10163 2007-01-19  Richard Guenther  <rguenther@suse.de>
10164
10165         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10166         via cexp in case sincos is not available.
10167
10168 2007-01-19  Richard Guenther  <rguenther@suse.de>
10169
10170         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10171         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10172         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10173         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10174         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10175         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10176         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10177         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10178
10179 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10180
10181         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10182         New insn patterns.
10183         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10184         (atan2xf3): Directly generate RTL pattern.
10185         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10186         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10187         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10188         disable patterns for SSE math.
10189         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10190         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10191         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10192         disable patterns for SSE math.
10193
10194 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10195
10196         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10197
10198 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10199
10200         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10201         VIEW_CONVERT_EXPR to the same type as it's operand.
10202
10203 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10204
10205         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10206         configured for long double 128.
10207
10208 2007-01-18  Mike Stump  <mrs@apple.com>
10209
10210         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10211         error.
10212
10213 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10214
10215         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10216         type correct.
10217
10218 2007-01-18  Jan Hubicka  <jh@suse.cz>
10219
10220         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10221         greater than NUM_VOP_FREE_BUCKETS.
10222
10223 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10224
10225         * tree-ssa-structalias.c: Update comments.
10226         (ptabitmap_obstack): Removed.
10227         (pta_obstack): New.
10228         (oldpta_obstack): Ditto.
10229         (stats): Add a few members.
10230         (struct variable_info): Remove node, complex, address_taken, and
10231         indirect_target members. Add oldsolution member.
10232         (new_var_info): Do not initialize removed members.
10233         (constraint_expr_type): Remove INCLUDES.
10234         (constraint_graph): Add size, implicit_preds, rep,
10235         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10236         (FIRST_REF_NODE): New macro.
10237         (LAST_REF_NODE): Ditto.
10238         (FIRST_ADDR_NODE): Ditto.
10239         (find): New function.
10240         (unite): Ditto.
10241         (dump_constraint): Do not handle INCLUDES.
10242         (insert_into_complex): Do not insert duplicate constraints.
10243         (condense_varmap_nodes): Renamed and rewritten into ...
10244         (merge_node_constraints): This. Also fix bug in handling of
10245         offseted copy constraints.
10246         (clear_edges_for_node): No longer need to deal with preds at all,
10247         or removing associated preds/succs.
10248         (merge_graph_nodes): Deal with indirect_cycles.
10249         Don't deal with predecessors.
10250         (add_implicit_graph_edge): New function.
10251         (add_pred_graph_edge): Ditto.
10252         (add_graph_edge): Don't deal with predecessors.
10253         (build_constraint_graph): Removed.
10254         (build_pred_graph): New function.
10255         (build_succ_graph): Ditto.
10256         (struct scc_info): Removed in_component. Added roots, dfs, and
10257         node_mapping. Remove visited_index, unification_queue.
10258         (scc_visit): Deal with union-find we do now.
10259         Deal with cycles with REF nodes.
10260         (collapse_nodes): Renamed and rewritten to ...
10261         (unify_nodes): This.
10262         (process_unification_queue): Removed.
10263         (topo_visit): Cleanup
10264         (do_da_constraint): Use find.
10265         (do_sd_constraint): Ditto.
10266         (do_ds_constraint): Ditto.
10267         (do_complex_constraint): Ditto.
10268         (init_scc_info): Update for removed and added members.
10269         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10270         (find_indirect_cycles): This.
10271         (equivalence_class): New variable.
10272         (label_visit): New function.
10273         (perform_variable_substitution): Rewritten.
10274         (free_var_substitution_info): New function.
10275         (find_equivalent_node): Ditto.
10276         (move_complex_constraints): Ditto.
10277         (eliminate_indirect_cycles): Ditto.
10278         (solve_graph): Only propagate changed bits.
10279         Use indirect cycle elimination.
10280         Use find.
10281         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10282         (tree_id_eq): Renamed to ...
10283         (tree_vi_eq): This. Update for member change
10284         (insert_id_for_tree): Renamed and rewritten to ...
10285         (insert_vi_for_tree): This.
10286         (lookup_id_for_tree): Renamed and rewritten to ...
10287         (lookup_vi_for_tree): This.
10288         (get_id_for_tree): Renamed and rewritten to ...
10289         (get_vi_for_tree): Ditto.
10290         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10291         (process_constraint): Don't handle INCLUDES.
10292         Remove special ADDRESSOF case.
10293         (find_func_aliases): Rewrite to use vi functions instead of id
10294         ones.
10295         (create_function_info_for): Ditto.
10296         (create_variable_info_for): Ditto.
10297         (intra_create_variable_infos): Ditto.
10298         (merge_smts_into): Ditto.
10299         (find_what_p_points_to): Ditto.
10300         (init_base_vars): Ditto.
10301         (init_alias_vars): Ditto.
10302         (remove_preds_and_fake_succs): New function.
10303         (dump_sa_points_to_info): Dump new stats.
10304         (dump_solution_for_var): Use find.
10305         (set_used_smts): Fix formatting.
10306         (compute_points_to_sets): Updated for new functions.
10307         (ipa_pta_execute): Ditto.
10308
10309 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10310             Richard Sandiford  <richard@codesourcery.com>
10311
10312         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10313         parallels.
10314         * calls.c (expand_call): If the return value is a PARALLEL,
10315         extract its first member.
10316         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10317         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10318         use FUNCTION_EXTRA_EPILOGUE.
10319         (m68k_function_value): Return a PARALLEL if the return value
10320         is of a pointer type.
10321         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10322         (FUNCTION_EXTRA_EPILOGUE): Remove.
10323         * config/m68k/m68k.md (D0_REG): New constant.
10324
10325 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10326
10327         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10328         output a NOP for empty epilogues.
10329
10330 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10331
10332         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10333         before function.  Extend register save check to include all
10334         registers, not just integer ones.
10335
10336 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10337
10338         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10339         (m68k_use_return_insn): ...this.
10340         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10341         * config/m68k/m68k.c (use_return_insn): Rename to...
10342         (m68k_use_return_insn): ...this.
10343         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10344         of USE_RETURN_INSN.
10345
10346 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10347
10348         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10349         nearest even, fix denormal rounding overflow.
10350
10351 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10352
10353         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10354         f%$smove and f%$move.
10355         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10356         (extendsfdf2_cf): Use fdmove instead of f%&move.
10357         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10358         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10359
10360 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10361
10362         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10363         GPR<-GPR moves.
10364
10365 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10366
10367         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10368         (coldfire_single_format): Declare.
10369         (coldfire_double_format): Likewise.
10370         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10371         of qnan_msb_set to determine the lower bits of a canonical
10372         NaN significand.
10373         (encode_ieee_double): Likewise.
10374         (encode_ieee_quad): Likewise.
10375         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10376         (mips_single_format): Likewise.
10377         (ieee_double_format): Likewise.
10378         (mips_double_format): Likewise.
10379         (ieee_extended_motorola_format): Likewise.
10380         (ieee_extended_intel_96_format): Likewise.
10381         (ieee_extended_intel_128_format): Likewise.
10382         (ieee_extended_intel_96_round_53_format): Likewise.
10383         (ibm_extended_format): Likewise.
10384         (mips_extended_format): Likewise.
10385         (ieee_quad_format): Likewise.
10386         (mips_quad_format): Likewise.
10387         (vax_f_format): Likewise.
10388         (vax_d_format): Likewise.
10389         (vax_g_format): Likewise.
10390         (i370_single_format): Likewise.
10391         (i370_double_format): Likewise.
10392         (decimal_single_format): Likewise.
10393         (decimal_double_format): Likewise.
10394         (decimal_quad_format): Likewise.
10395         (c4x_single_format): Likewise.
10396         (c4x_extended_format): Likewise.
10397         (real_internal_format): Likewise.
10398         (coldfire_single_format): New real_format.
10399         (coldfire_double_format): Likewise.
10400         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10401         canonical_nan_lsbs_set.
10402         (pdp11_d_format): Likewise.
10403         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10404         if TARGET_COLDFIRE_CPU.
10405
10406 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10407
10408         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10409         (output_call, m68k_legitimize_call_address): Declare.
10410         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10411         parenthesees.  Add support for a 'W' constraint.
10412         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10413         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10414         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10415         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10416         variables.
10417         (override_options): Initialize them.  Do not set flag_no_function_cse
10418         for TARGET_ID_SHARED_LIBRARY.
10419         (m68k_output_pic_call): Delete.
10420         (m68k_legitimize_call_address): New function.
10421         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10422         (output_call): New function.
10423         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10424         target address from the GOT if symbolic jumps are not allowed.
10425         * config/m68k/m68k.md (call, general_operand): Do not set
10426         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10427         Merge separate flag_pic and !flag_pic define_insns into...
10428         (*call, *call_value): ...these new patterns.  Match the address
10429         rather than the containing MEM and require it to be a call_operand.
10430         Use output_call to generate the asm template.
10431         * config/m68k/predicates.md (const_call_operand): New predicate.
10432         (call_operand): Likewise.
10433
10434 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10435
10436         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10437         (STACK_GROWS_DOWNWARD): Define to 1.
10438         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10439         comments, emphasizing that these values are only defaults.
10440         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10441         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10442
10443 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10444
10445         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10446
10447 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10448             Richard Sandiford  <richard@codesourcery.com>
10449
10450         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10451         (FP_REGNO_P): New macros.
10452         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10453         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10454         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10455         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10456
10457 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10458
10459         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10460         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10461         to $tmake_file.
10462         * config/m68k/t-floatlib: New file, extracting common code from...
10463         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10464         * config/m68k/t-uclinux: Here.
10465         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10466         routines on ColdFire targets.
10467
10468 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10469
10470         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10471         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10472         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10473         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10474         explicitly set MOTOROLA to 1.
10475         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10476
10477 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10478             Nathan Sidwell  <nathan@codesourcery.com>
10479
10480         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10481         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10482         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10483         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10484         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10485         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10486         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10487         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10488         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10489         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10490         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10491         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10492         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10493         (DBX_REGISTER_NUMBER): Delete.
10494         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10495         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10496         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10497
10498 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10499
10500         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10501         * config/flat.h: New file.
10502         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10503         OBJECT_FORMAT_FLAT.
10504         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10505         indirect references for -msep-data or -mid-shared-library.
10506         Do not use PC-relative code addresses either.
10507         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10508         to -mpcrel.
10509         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10510         for shared libraries and crt1.o for executables.  Use crti.o and
10511         crtbegin.o.
10512         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10513         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10514         Do not add -elf2flt or -shared-lib-id options here.
10515         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10516         Pass -shared-lib-id if -mid-shared-library, taking the library
10517         identifier from -mshared-library-id if given, otherwise
10518         defaulting to 0.
10519         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10520         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10521         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10522         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10523         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10524         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10525         and crtend.o.
10526         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10527         jump sequence for ISA A and ISA A+.
10528         (PICJUMP): Likewise.
10529
10530 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10531
10532         * config.gcc (m68k-*-uclinux*): Base the port on the common
10533         and m68k GNU/Linux files rather than on the generic ELF ones.
10534         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10535         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10536
10537 2007-01-18  Julian Brown  <julian@codesourcery.com>
10538             Richard Sandiford  <richard@codesourcery.com>
10539
10540         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10541         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10542         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10543         before redefining.
10544         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10545         80 unconditionally.
10546         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10547
10548 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10549
10550         * doc/install.texi: Document m68k-uclinuxoldabi.
10551         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10552         * config/m68k/uclinux-oldabi.h: New file, copied from
10553         config/m68k/uclinux.h.
10554
10555 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10556
10557         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10558         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10559         (m32r_compute_frame_size): Use unsigned for regno.
10560         (m32r_reload_lr): Use gen_frame_mem.
10561         (pop): New.
10562         (m32r_output_function_epilogue): Don't output the function epilogue
10563         textually here.
10564         (m32r_expand_epilogue): New.
10565         (direct_return): Return false if the function has the interrupt
10566         attribute.
10567         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10568         * config/m32r/m32r.md (epilogue): New expander.
10569         (return_lr, return_rte): New insns.
10570         (return): Make it expander.
10571         (return_normal): New expander.
10572
10573 2007-01-18  Josh Conner  <jconner@apple.com>
10574
10575         PR target/30485
10576         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10577         support for UNLE, UNLT, UNGE, and UNGT.
10578
10579 2007-01-18  Jan Hubicka  <jh@suse.cz>
10580
10581         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10582         * tree-tailcall (add_virtual_phis): Likewise.
10583         (optimize_tail_call): Return TODOs.
10584         (execute_tail_calls): Return TODOs.
10585         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10586         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10587         changed.
10588         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10589         Cleanup cfg using TODO.
10590         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10591         * passes.c (execute_function_todo): When cleanup did something, remove
10592         unused locals.
10593         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10594         (make_edges): Don't cleanup_cfg.
10595
10596 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10597
10598         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10599         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10600         operate on the top of stack.
10601         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10602         register handling of instructions that output to the second
10603         stack slot.
10604         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10605         (move_for_stack_reg): Special-case check for dead destination
10606         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10607
10608         * config/i386/i386.md (UNSPEC_TAN): New constant.
10609         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10610         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10611         to correctly model move of constant 1.0 to top stack slot.
10612         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10613         (unnamed peephole2 pattern): Remove corresponding peephole2
10614         pattern that optimizes tan insn and loading of constant 1.0.
10615         (tanxf2): Use fptanxf4_i387.
10616         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10617         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10618         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10619         disable patterns for SSE math.
10620         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10621         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10622
10623 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10624             Richard Guenther <rguenther@suse.de>
10625
10626         PR diagnostic/8268
10627         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10628         * common.opt (Warray-bounds): Add new warning option.
10629         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10630         if -Wall is given.
10631         * Makefile.in: make tree-vrp.o depend on toplev.h
10632         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10633         is enabled.
10634         (check_array_refs, check_array_bounds, check_array_ref): New.
10635
10636 2007-01-18  Jan Hubicka  <jh@suse.cz>
10637
10638         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10639         (execute_ssa_ccp): Return flags conditionally.
10640         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10641         changed.
10642         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10643
10644 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10645
10646         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10647         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10648
10649         * Makefile.c (GTFILES): Add cfglayout.h.
10650         * gengtype.c (open_base_files): Likewise.
10651         * cfglayout.c (cfg_layout_function_footer,
10652         cfg_layout_function_header) Reindent to make gengtype happy.
10653         * cfglayout.h (cfg_layout_function_footer,
10654         cfg_layout_function_header): Add GTY(()) marker.
10655
10656         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10657
10658 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10659
10660         * genautomata.c (write_automata): Include xstrerror output in the
10661         error message if writing the DFA description file fails.
10662
10663 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10664
10665         * config/mips/mips-protos.h (mips_output_external): Make it
10666         return void.
10667         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10668         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10669         (extern_list): Likewise.
10670         (extern_head): Likewise.
10671         (TARGET_ASM_FILE_END): Likewise.
10672         (mips_file_end): Likewise.
10673         (mips_output_external): Rewritten.
10674
10675 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10676
10677         * genpreds.c (write_insn_preds_c): Only write out the function
10678         body for regclass_for_constraint if we have register constraints.
10679
10680 2007-01-17  Tom Tromey  <tromey@redhat.com>
10681
10682         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10683         * doc/install.texi (Testing): Use sourceware.org.
10684         (Binaries): Likewise.
10685         (Specific): Likewise.
10686         * doc/contrib.texi (Contributors): Use sourceware.org.
10687
10688 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10689
10690         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10691         (AVR_ENHANCED): Rename to ...
10692         (AVR_HAVE_MUL): ... new.
10693         (avr_enhanced_p): Rename to ...
10694         (avr_have_mul_p): ... new.
10695         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10696         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10697         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10698         (avr_have_mul_p): ... new.
10699         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10700         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10701         'avr_enhanced_p' and 'enhanced'.
10702         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10703         AVR_HAVE_MUL instead of AVR_ENHANCED.
10704         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10705         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10706         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10707         instead of AVR_ENHANCED.
10708         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10709         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10710         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10711
10712 2007-01-17  Ian Lance Taylor  <iant@google.com>
10713
10714         * vec.h (VEC_reserve_exact): Define.
10715         (vec_gc_p_reserve_exact): Declare.
10716         (vec_gc_o_reserve_exact): Declare.
10717         (vec_heap_p_reserve_exact): Declare.
10718         (vec_heap_o_reserve_exact): Declare.
10719         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10720         versions.
10721         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10722         negative parameter.
10723         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10724         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10725         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10726         * vec.c (calculate_allocation): Add exact parameter.  Change all
10727         callers.
10728         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10729         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10730         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10731         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10732         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10733         (vec_heap_p_reserve_exact): New function.
10734         (vec_heap_o_reserve_exact): New function.
10735
10736 2007-01-17  Jan Hubicka  <jh@suse.cz>
10737
10738         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10739
10740 2007-01-17  Eric Christopher  <echristo@apple.com>
10741
10742         * config.gcc: Support core2 processor.
10743
10744 2007-01-16  Jan Hubicka  <jh@suse.cz>
10745
10746         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10747         the names, just unlink the chain so we don't crash on dangling pointers
10748         to dead SSA names.
10749
10750 2007-01-16  Jan Hubicka  <jh@suse.cz>
10751
10752         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10753         * tree-pass.h: Reorder to make IPA passes appear toegher.
10754         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10755         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10756         parameters, do not call early inliner.
10757         * ipa-inline.c: Update comments.  Include tree-flow.h
10758         (cgraph_decide_inlining): Do not compute inlining parameters.
10759         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10760         be called with function context set up.
10761         (pass_ipa_inline): Remove unreachable functions before pass.
10762         (cgraph_early_inlining): Simplify assuming to be called from the
10763         PM as local pass.
10764         (pass_early_inline): New pass.
10765         (cgraph_gate_ipa_early_inlining): New gate.
10766         (pass_ipa_early_inline): Turn into simple wrapper.
10767         (compute_inline_parameters): New function.
10768         (gate_inline_passes): New gate.
10769         (pass_inline_parameters): New pass.
10770         (apply_inline): Move here from tree-optimize.c
10771         (pass_apply_inline): New pass.
10772         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10773         transforming.
10774         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10775         doing them by hand.
10776         (tree_function_versioning): Do not allocate dummy struct function.
10777         * tree-inline.h (optimize_inline_calls): Update prototype.
10778         * tree-optimize.c (execute_fixup_cfg): Export.
10779         (pass_fixup_cfg): Remove
10780         (tree_rest_of_compilation): Do not apply inlines.
10781         * tree-flow.h (execute_fixup_cfg): Declare.
10782         * Makefile.in (gt-passes.c): New.
10783         * passes.c: Include gt-passes.h
10784         (init_optimization_passes): New passes.
10785         (nnodes, order): New static vars.
10786         (do_per_function_toporder): New function.
10787         (execute_one_pass): Dump current pass here.
10788         (execute_ipa_pass_list): Don't dump current pass here.
10789
10790 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10791
10792         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10793         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10794
10795 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10796
10797         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10798         (strong_alias): Define.
10799         (__gcc_qmul): Provide non-FMA for soft-float.
10800         (__gcc_qdiv): Same.
10801         (__gcc_qneg): New.
10802         (__gcc_qeq): New.
10803         (__gcc_qle): New.
10804         (__gcc_qge): New.
10805         (__gcc_qunord): New.
10806         (__gcc_stoq): New.
10807         (__gcc_dtoq): New.
10808         (__gcc_qtos): New.
10809         (__gcc_qtod): New.
10810         (__gcc_qtoi): New.
10811         (__gcc_qtou): New.
10812         (__gcc_itoq): New.
10813         (__gcc_utoq): New.
10814         (fmsub): New.
10815         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10816         soft-float functions.
10817         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10818         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10819         about long double soft float.
10820
10821 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10822             Tehila Meyzels  <tehila@il.ibm.com>
10823
10824         * tree-vectorizer.h (is_pattern_stmt_p): New.
10825         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10826         formatting (tabs instead of spaces). Cleanup and clarify setting
10827         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10828         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10829         (vectorizable_type_demotion): Check that types are integral.
10830         (vectorizable_type_promotion): Likewise.
10831         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10832         comments.
10833
10834 2007-01-16  Jan Hubicka  <jh@suse.cz>
10835
10836         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10837         cgraph edges too.
10838
10839 2007-01-15  Eric Christopher  <echristo@apple.com>
10840
10841         * ifcvt.c: Include vec.h, vecprim.h.
10842         (check_cond_move_block): New argument regs.
10843         Reorganize. Add registers used to regs.
10844         (cond_move_process_if_block): Use regs set above as
10845         loop bounds.
10846
10847 2007-01-15  Eric Christopher  <echristo@apple.com>
10848
10849         * config/darwin.h: Update copyright.
10850         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10851         (LINK_COMMAND_SPEC): Add -u.
10852         (LINK_SPEC): Fix umbrella for above.
10853
10854 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10855
10856         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10857         glibc CVS.
10858
10859 2007-01-15  Tom Tromey  <tromey@redhat.com>
10860
10861         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10862         * doc/install.texi (Testing): Don't mention jacks.
10863         (Configuration): Document --enable-java-maintainer-mode.  Move
10864         --with-java-home to libgcj-specific section.  Document
10865         --with-ecj-jar.
10866         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10867
10868 2007-01-15  Jan Hubicka  <jh@suse.cz>
10869
10870         * tree-ssa-dce.c (DCE_TODOs): New.
10871         (propagate_necessity): Return if something changed.
10872         (eliminate_unnecessary_stmts): Likewise.
10873         (perform_tree_ssa_dce): Return TODO flags when needed.
10874         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10875
10876 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10877
10878         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10879         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10880         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10881         patterns using X87MODEF12 mode macro.  Extend operand 1
10882         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10883         (log10<mode>2): Ditto.
10884         (log2<mode>2): Ditto.
10885         (log1p<mode>2): Ditto.
10886         (logb<mode>2): Ditto.
10887         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10888         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10889         (*fxtractxf3_i387): Rename from *fxtractxf3.
10890         (fxtract_extend<mode>xf3_i387): New insn pattern.
10891         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10892         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10893         and gen_fyl2xxf3_i387().
10894
10895 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10896
10897         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10898         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10899         get_loop_exit_edges.  Changed return type to bool.
10900         * cfgloop.h (fix_loop_placement): Declaration removed.
10901
10902 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10903
10904         * param.h (MIN_VECT_LOOP_BOUND): New.
10905         * params.def (MIN_VECT_LOOP_BOUND): New.
10906         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10907         argument - minimum threshold for number of iterations.
10908         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10909         argument to declaration.
10910         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10911         MIN_VECT_LOOP_BOUND.
10912         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10913         slpeel_tree_peel_loop_to_edge with additional argument.
10914         (vect_do_peeling_for_alignment): Likewise.
10915         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10916
10917 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10918
10919         PR target/30413
10920         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10921         operands of size 1.
10922
10923 2007-01-14  Jan Hubicka  <jh@suse.cz>
10924
10925         * tree-dfa.c (remove_referenced_var): New function.
10926         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10927         prune referenced vars list too.
10928         * tree-flow.h (remove_referenced_var): Declare.
10929
10930 2007-01-14  Jan Hubicka  <jh@suse.cz>
10931
10932         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10933         separately.
10934         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10935         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10936         * except.h (verify_eh_throw_table_statements): Kill prototype.
10937         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10938         into call exrepssions.
10939         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10940         eh trhow verifier.
10941         * tree-cfg.c: Include pointer-set.h.
10942         (verify_node_sharing): Work on pointer set.
10943         (verify_eh_throw_stmt_node): New.
10944         (verify_stmts): Use pointers sets, verify throw_stmt.
10945
10946 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10947
10948         * ipa-reference.c (analyze_function): Consider also addresses taken
10949         in phi nodes.
10950
10951 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10952
10953         * c-typeck.c (null_pointer_constant_p): Replace use of
10954         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10955         (build_c_cast): Likewise.
10956
10957 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10958
10959         * tree.h (force_fit_type_double): Remove unused final argument.
10960         * c-common.c (constant_expression_warning): Replace use of
10961         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10962         (convert_and_check): Likewise.
10963         (shorten_compare): Update call to force_fit_type_double.
10964         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10965         * convert.c (convert_to_pointer): Update call to
10966         force_fit_type_double.
10967         * fold-const.c (force_fit_type_double): Remove overflowed_const
10968         argument.
10969         (int_const_binop, fold_convert_const_int_from_int,
10970         fold_convert_const_int_from_real, fold_div_compare,
10971         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10972         fold_abs_const, fold_not_const): Remove the final argument from
10973         calls to force_fit_type_double.
10974
10975 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10976
10977         * configure.ac: Set insn to "nop" for spu-*-* also.
10978         * configure: Regenerate.
10979
10980 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10981
10982         * builtins.def : Add BUILT_IN_FREE.
10983
10984 2007-01-12  Jan Hubicka  <jh@suse.cz>
10985
10986         PR tree-optimization/30443
10987         * tree-inline.c (tree_function_versioning): Do not optimize when
10988         cloning for inlining.
10989
10990 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10991
10992         * doc/loop.texi: Document recording of loop exits.
10993         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10994         (update_single_exits_after_duplication,
10995         update_single_exit_for_duplicated_loop,
10996         update_single_exit_for_duplicated_loops): Removed.
10997         (duplicate_loop_to_header_edge): Do not call
10998         update_single_exits_after_duplication and
10999         update_single_exit_for_duplicated_loops.
11000         (loop_version): Do not update single_exit information.
11001         (fix_loop_structure): Use record_loop_exits instead of
11002         mark_single_exit_loops.
11003         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11004         the lists of loop exits.
11005         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11006         split_edge, merge_blocks): Update the lists of loop exits.
11007         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11008         loop_optimizer_init.
11009         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11010         of mark_single_exit_loops.
11011         (loop_optimizer_finalize): Call release_recorded_exits.
11012         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11013         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11014         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11015         update single exit information.
11016         * lambda-code.c (perfect_nestify): Ditto.
11017         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11018         (mark_single_exit_loops): Removed.
11019         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11020         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11021         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11022         functions.
11023         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11024         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11025         (verify_loop_structure): Verify consistency of the exit lists.
11026         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11027         (set_single_exit): Removed.
11028         * cfgloop.h (struct loop_exit): New function.
11029         (struct loop): single_exit_ field replaced by exits field.
11030         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11031         (struct loops): Added exits hash.
11032         (mark_single_exit_loops, set_single_exit): Declaration removed.
11033         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11034
11035 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11036
11037         * doc/invoke.texi: Avoid use of @headitem.
11038
11039 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11040
11041         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11042
11043 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11044
11045         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11046         list of targets.
11047
11048 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11049             Richard Sandiford  <richard@codesourcery.com>
11050
11051         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11052         * config/m68k/m68k.opt: Resort options.
11053         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11054
11055 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11056             Richard Sandiford  <richard@codesourcery.com>
11057
11058         * doc/invoke.texi: Document the macros that are defined by
11059         m68k's -mtune and -mhard-float options.
11060         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11061         (m68k_cpp_cpu_family): Likewise.
11062         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11063         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11064         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11065         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11066         (m68k_cpp_cpu_family): Likewise.
11067
11068 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11069
11070         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11071         macros besides mc68000 as tuning macros.  Use a switch statement
11072         to set them and mcpu32.
11073
11074 2007-01-12  Julian Brown  <julian@codesourcery.com>
11075
11076         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11077         (TARGET_68040_ONLY): Rename to...
11078         (TARGET_68040): ...this.
11079         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11080         * config/m68k/m68k.md: Likewise.
11081
11082 2007-01-12  Julian Brown  <julian@codesourcery.com>
11083             Nathan Sidwell  <nathan@codesourcery.com>
11084             Richard Sandiford  <richard@codesourcery.com>
11085
11086         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11087         the -mcpu= argument associated with the --with-cpu setting.
11088         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11089         if different from the one implied by the -mcpu setting.
11090         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11091         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11092         * doc/invoke.texi: Mention ColdFire in the introduction to the
11093         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11094         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11095         -mhard-float.  Document the previously-undocumented -m5206e,
11096         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11097         documentation for consistency.
11098         * doc/install.texi: Mention new --with-cpu arguments.
11099         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11100         default CPU if neither -mcpu nor -march are specified.
11101         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11102         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11103         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11104         using m68k_tune to decide between families that implement the
11105         same ISA.  Use m68k_tune to set __mcfv4e__.
11106         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11107         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11108         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11109         (FL_ISA_C, FL_ISA_MMU): New macros.
11110         (MASK_COLDFIRE): Delete.
11111         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11112         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11113         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11114         (TARGET_HARD_FLOAT): Do not define here.
11115         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11116         (TUNE_68000): New macro.
11117         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11118         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11119         (TUNE_CFV2): Redefine in terms of m68k_tune.
11120         (uarch_type, target_device, fpu_type): New enums.
11121         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11122         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11123         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11124         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11125         (FL_FOR_isa_c): New macros.
11126         (m68k_isa): New enum.
11127         (m68k_target_selection): New structure.
11128         (all_devices, all_isas, all_microarchs): New tables.
11129         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11130         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11131         (MASK_ALL_CPU_BITS): Delete.
11132         (m68k_find_selection): New function.
11133         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11134         Map the legacy target options to a combination of the new ones.
11135         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11136         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11137         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11138         settings.
11139         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11140         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11141         properties.
11142         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11143         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11144         * config/m68k/m68k-devices.def: New file.
11145
11146 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11147             Nathan Sidwell  <nathan@codesourcery.com>
11148
11149         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11150         (SUBTARGET_EXTRA_SPECS): New macros.
11151         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11152         use %(asm_cpu_spec) instead.
11153         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11154         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11155         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11156         (EXTRA_SPECS): Rename to...
11157         (SUBTARGET_EXTRA_SPECS): ...this.
11158
11159 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11160             Richard Sandiford  <richard@codesourcery.com>
11161             Julian Brown  <julian@codesourcery.com>
11162
11163         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11164         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11165         to the configuration's default CPU.
11166         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11167         Remove default masks.
11168         (m680[012]0-*-*): Set the default with_cpu to the first part of
11169         the target name.
11170         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11171         (m68k*-*-linux): Extend the --with-cpu handling to...
11172         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11173         and m68010.  Don't set target_cpu_default2.
11174         * doc/install.texi: Document --with-cpu for m68k.
11175         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11176         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11177         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11178         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11179         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11180         (ASM_SPEC): Remove use of %(asm_cpu_default).
11181         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11182         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11183         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11184         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11185         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11186         (TARGET_DEFAULT): Delete.
11187         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11188         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11189         (CPP_CPU_SPEC): Delete.
11190         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11191         the appropriate string.
11192         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11193         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11194         (ASM_SPEC): Don't use %(asm_default_spec).
11195         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11196         TARGET_DEFAULT and add MASK_68881.
11197         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11198
11199 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11200
11201         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11202         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11203         MASK_68010 alongside MASK_68020.
11204         * doc/invoke.texi: Document -m68010.
11205         * config/m68k/m68k.opt (m68010): New.
11206         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11207         if TUNE_68010.
11208         (TUNE_68010): New macro.
11209         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11210         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11211         (M68K_CPU_m68332): Add MASK_68010.
11212         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11213         fallback definition.
11214         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11215         defines.
11216         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11217         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11218         to all entries that use MASK_68020.
11219         (output_move_simode_const, output_move_himode, output_move_qimode)
11220         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11221         instead of TARGET_68020 to select clr behavior.  Remove comment
11222         about there being no TARGET_68010.
11223         * config/m68k/m68k.md: Likewise throughout.
11224
11225 2007-01-12  Julian Brown  <julian@codesourcery.com>
11226
11227         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11228         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11229         * config/m68k/m68k.md: Likewise.
11230
11231 2007-01-12  Julian Brown  <julian@codesourcery.com>
11232
11233         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11234         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11235
11236 2007-01-12  Julian Brown  <julian@codesourcery.com>
11237
11238         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11239         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11240         * config/m68k/m68k.md: Likewise.
11241
11242 2007-01-12  Julian Brown  <julian@codesourcery.com>
11243             Richard Sandiford  <richard@codesourcery.com>
11244
11245         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11246         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11247         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11248         TARGET_CPU32.
11249         (TARGET_CPU32): Rename to...
11250         (TUNE_CPU32): ...this.
11251         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11252         (TUNE_CFV2): New macros.
11253         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11254         remove conditions that are implied by TARGET_68020.
11255         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11256         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11257         (m68k_output_function_epilogue): Likewise.
11258         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11259         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11260         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11261         non-68000 timings.  Refactor multiplication and division costs.
11262         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11263         TUNE_CPU32 instead of TARGET_CPU32.
11264         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11265         and TUNE_68060 instead of TARGET_68060.
11266         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11267         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11268         TARGET_CPU32.
11269         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11270         && !TARGET_COLDFIRE" to choose between moveq and clr.
11271         Likewise in the unnamed movsf pattern.
11272         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11273         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11274         ashiftrt pattern.
11275
11276 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11277
11278         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11279         of tabbing before backslashes.
11280
11281 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11282
11283         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11284         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11285         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11286
11287 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11288
11289         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11290         find_interesting_uses_cond.
11291         (find_interesting_uses_cond): Use extract_cond_operands.
11292         (rewrite_use_compare): Use extract_cond_operands and
11293         force_gimple_operand_bsi.  Do not call update_stmt.
11294         (determine_use_iv_cost_condition): Use extract_cond_operands.
11295         Return cheaper of using original bound and changing the exit bound.
11296
11297 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11298
11299         PR tree-optimization/29516
11300         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11301         most_expensive_mult_to_index, addr_to_parts,
11302         create_mem_ref, maybe_fold_tmr): Make the type of
11303         fields of TARGET_MEM_REF sizetype.
11304         (move_fixed_address_to_symbol, move_pointer_to_base):
11305         New functions.
11306         * tree.def (TARGET_MEM_REF): Add comment on types of
11307         the operands.
11308
11309 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11310
11311         * c-common.c (vector_types_convertible_p): Treat opaque types as
11312         always convertible if they have the same size, but not otherwise.
11313
11314 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11315
11316         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11317         Remove the b_unconditional field.
11318         (noce_try_sign_mask): Do not look at b_unconditional.
11319         (noce_process_if_block): Do not use merge_if_blocks.  Update
11320         the CFG here.  Do not set b_unconditional.
11321         (cond_move_process_if_block): Likewise.
11322         (find_cond_trap): Likewise.
11323         (check_cond_move_block): Require simple jump insns at the end
11324         of the basic block.
11325
11326 2007-01-11  Jan Hubicka  <jh@suse.cz>
11327
11328         PR tree-optimization/1046
11329         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11330         when alias info is not ready.
11331         (pass_tail_recursion): Do not require aliasing.
11332         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11333         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11334         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11335         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11336         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11337         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11338         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11339         before inlining.
11340         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11341         When aliasing is not build, mark statement as volatile.
11342
11343 2007-01-11  Tom Tromey  <tromey@redhat.com>
11344
11345         PR preprocessor/15185, PR preprocessor/20989:
11346         * doc/cppopts.texi <-MT>: Update description of algorithm for
11347         computing default target.
11348         <-M, -MD>: Reword "basename" text.
11349
11350 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11351
11352         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11353         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11354         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11355         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11356         fold_builtin_bswap, real_constp, fold_builtin_pow,
11357         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11358         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11359         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11360         * convert.c (convert_to_pointer): Likewise.
11361         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11362         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11363         const_binop, fold_convert_const_int_from_int,
11364         fold_convert_const_int_from_real,
11365         fold_convert_const_real_from_real, sign_bit_p,
11366         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11367         fold_sign_changed_comparison, fold_unary, fold_comparison,
11368         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11369         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11370         * print-tree.c (print_node_brief, print_node): Likewise.
11371         * stor-layout.c (place_field, layout_type): Likewise.
11372         * tree-chrec.c (keep_cast): Likewise.
11373         * tree.c (build_vector, build_real, build_real_from_int_cst,
11374         build_complex): Likewise.
11375
11376 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11377
11378         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11379         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11380
11381 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11382
11383         * configure.ac (strict1_warn): Rename to strict_warn.
11384         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11385         cc_set_by_configure, quoted_cc_set_by_configure,
11386         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11387         all_boot_languages, all_stagestuff): Remove.
11388         (target_list): Remove bootstrap targets.
11389         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11390         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11391         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11392         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11393         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11394         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11395         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11396         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11397         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11398         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11399         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11400         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11401         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11402         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11403         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11404         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11405         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11406         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11407         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11408         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11409         (mostlyclean): Adjust.
11410         (clean, distclean): Don't mention bootstrap stuff.
11411         * configure: Regenerate.
11412         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11413         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11414         treelang/config-lang.in (stagestuff): Remove.
11415         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11416         stageprofile, stagefeedback, stagestuff): Remove mention.
11417
11418 2007-01-11  Nick Clifton  <nickc@redhat.com>
11419
11420         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11421         Accept CONSTs.
11422         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11423         (mcore_arith_K_S_operand): Run the test for the S constraint not
11424         the test for the M constraint.
11425         (mcore_addsub_operand): Do not accept integer values that are
11426         larger than 32 bits.
11427         * config/mcore/mcore.md: Remove unused constraints from split.
11428         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11429         (addsi3): Likewise.
11430         (allocate_stack): Likewise.
11431         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11432         operands to 32 bits.
11433         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11434         INTVAL.
11435         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11436         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11437         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11438         mcore_output_bclri, mcore_output_andn, output_inline_const,
11439         mcore_output_move, mcore_output_movedouble): Likewise.
11440         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11441         (output_inline_const): Likewise.
11442         (output_inline_const): Fix format strings used in sprintf
11443         statements.
11444         * config/mcore/mcore-protos.h: Update prototypes for changed
11445         functions in mcore.c.
11446         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11447         HOST_WIDE_INT and not int.
11448         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11449         CONST_OK_FOR_N): Likewise.
11450         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11451         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11452         an INTVAL.
11453
11454 2007-01-10  Jan Hubicka  <jh@suse.cz>
11455
11456         * tree-vrp.c (remove_range_assertions): Release defs.
11457         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11458         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11459
11460 2007-01-10  Paul Brook  <paul@codesourcery.com>
11461
11462         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11463         * config/arm/arm.md (mulsi3subsi): New insn.
11464
11465 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11466
11467         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11468         (tree_transform_and_unroll_loop): New.
11469         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11470         Declare.
11471
11472 2007-01-10  Robert Kennedy <jimbob@google.com>
11473
11474         * fold-const.c (fold_comparison): Fold comparisons like (x *
11475         1000 < 0) to (x < 0).
11476
11477 2007-01-10  Ian Lance Taylor  <iant@google.com>
11478
11479         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11480         operands have the same priority.
11481
11482 2007-01-10  Tom Tromey  <tromey@redhat.com>
11483
11484         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11485         (fold_binary): Likewise.
11486         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11487         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11488         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11489         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11490         * langhooks.h (struct lang_hooks): Removed field
11491         'can_use_bit_fields_p'.
11492
11493 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11494
11495         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11496
11497 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11498
11499         * function.c (get_last_funcdef_no): New function.
11500         * function.h (get_last_funcdef_no): Declare.
11501         * tree-inline.c (initialize_cfun): Add initialization.
11502         (tree_function_versioning): Cleanup.
11503
11504 2007-01-10  Jan Hubicka  <jh@suse.cz>
11505
11506         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11507         PHIs.
11508
11509 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11510             Ben Elliston  <bje@au.ibm.com>
11511
11512         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11513         for SAVE_NONLOCAL and Pmode for any other save level.
11514         * spu-protos.h (spu_restore_stack_block): Declare.
11515         * spu.md (save_stack_block): Remove.
11516         (restore_stack_block): Call spu_restore_stack_block.
11517         * spu.c (spu_restore_stack_block): New function.
11518         (spu_expand_epilogue): Remove old comment.
11519
11520 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11521
11522         PR tree-optimization/30322
11523         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11524         (cand_value_at): Return the value as aff_tree.
11525         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11526         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11527         aff_combination_mult): New functions.
11528         (aff_combination_add): Use aff_combination_add_cst.
11529         (aff_combination_convert): Allow conversions to a wider type.
11530         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11531         * tree-affine.h (aff_combination_mult): Declare.
11532
11533 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11534
11535         * doc/tm.texi: Update documentation to reflect reality of exec
11536         and start file search behaviours. Update copyright year.
11537         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11538         header file directories.
11539
11540 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11541
11542         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11543         (*cosxf2): Rename to cosxf2_i387.
11544         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11545         using X87MODEF12 mode macro. Rename patterns to
11546         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11547         for SSE math.
11548         (*cosdf2, *cossf2): Ditto.
11549         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11550         to match extended input operands.
11551         (sincos<mode>3): New expander.
11552         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11553         insn patterns and corresponding splitters.
11554
11555 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11556
11557         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11558         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11559
11560 2007-01-09  Nicolas Pitre  <nico@cam.org>
11561
11562         PR target/30173
11563         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11564
11565 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11566
11567         * target.h (struct gcc_target): New field library_rtti_comdat.
11568         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11569         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11570         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11571         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11572
11573 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11574
11575         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11576
11577 2007-01-08  Richard Guenther  <rguenther@suse.de>
11578
11579         * tree.h (force_fit_type_double): Export.
11580         (force_fit_type): Remove.
11581         * fold-const.c (force_fit_type_double): New function.
11582         (force_fit_type): Remove.
11583         (int_const_binop): Use it.
11584         (fold_convert_const_int_from_int): Likewise.
11585         (fold_convert_const_int_from_real): Likewise.
11586         (fold_div_compare): Likewise.
11587         (fold_sign_changed_comparison): Likewise.
11588         (fold_unary): Likewise.
11589         (fold_negate_const): Likewise.
11590         (fold_abs_const): Likewise.
11591         (fold_not_const): Likewise.
11592         * c-common.c (shorten_compare): Use force_fit_type_double.
11593         * convert.c (convert_to_pointer): Likewise.
11594
11595 2007-01-08  Richard Guenther  <rguenther@suse.de>
11596
11597         * tree.h (build_int_cst_wide_type): Export.
11598         * tree.c (build_int_cst_wide_type): New function.
11599         (build_int_cst_wide): Fix comment.
11600         * builtins.c (fold_builtin_object_size): Use build_int_cst
11601         to build -1 or 0 of the correct type.  Use fit_double_type
11602         to check for overflow.
11603         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11604         to build the mask.
11605         (decode_field_reference): Likewise.
11606         (all_ones_mask_p): Likewise.
11607         (native_interpret_int): Use build_int_cst_wide_type.
11608         (fold_binary): Use build_int_cst_type to build an all-ones
11609         value.
11610         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11611
11612 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11613
11614         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11615
11616 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11617
11618         * genautomata.c (STATS_OPTION): New option.
11619         (stats_flag): New flag.
11620         (gen_automata_option): Handle it.
11621         (initiate_automaton_gen): Ditto.
11622         (write_automata): Output statistics only if stats_flag is
11623         set. Likewise, output time statistics only if time_flag is set.
11624         * doc/md.texi (Processor pipeline description): Document new flag.
11625
11626 2007-01-08  Richard Guenther  <rguenther@suse.de>
11627
11628         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11629         * tree.c (build_int_cst_type): Likewise.
11630         (size_in_bytes): Don't call force_fit_type on the result.
11631         (int_fits_type_p): Use fit_double_type.
11632         * fold-const.c (fit_double_type): New function.
11633         (force_fit_type): Use it.
11634         * tree.h (fit_double_type): Export.
11635
11636 2007-01-08  Jan Hubicka  <jh@suse.cz>
11637
11638         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11639         * ipa.c (function_and_variable_visibility): Fix return type.
11640
11641 2007-01-08  Richard Guenther  <rguenther@suse.de>
11642
11643         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11644         of offset to build the index.
11645         * tree-pretty-print.c (dump_generic_node): Don't build negated
11646         const just for printing.
11647         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11648         * builtins.c (fold_builtin_int_roundingfn): Check if result
11649         fits the type by using force_fit_type and comparing the result.
11650         * predict.c (predict_loops): Use compare_tree_int for comparison.
11651         * tree.c (build_int_cst): Fall back to integer_type_node for
11652         NULL_TREE type.
11653         (build_int_cst_wide): Assert type is non-null.
11654
11655 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11656
11657         * tree-vrp.c (extract_range_from_cond_expr): New.
11658         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11659         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11660         as expressions.
11661         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11662         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11663         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11664         used as expressions.
11665         * tree-object-size.c (cond_expr_object_size): New.
11666         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11667
11668 2007-01-08  Jan Hubicka  <jh@suse.cz>
11669
11670         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11671         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11672         statement.
11673
11674 2007-01-08  Richard Guenther  <rguenther@suse.de>
11675
11676         PR tree-optimization/23603
11677         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11678         (extract_range_from_binary): Fall back to truthvalue instead of
11679         varying for TRUTH_*_EXPR.
11680         (extract_range_from_comparison): Fall back to truthvalue instead of
11681         varying.
11682         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11683         if all visited PHI values were constant.
11684
11685 2007-01-08  Jan Hubicka  <jh@suse.cz>
11686
11687         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11688         (cgraph_analyze_function): break out from ...
11689         (cgraph_finalize_compilation_unit): ... here.
11690         (cgraph_expand_function): Remove forgoten commented out line.
11691         (cgraph_optimize): Analyze functions.
11692
11693 2007-01-08  Jan Hubicka  <jh@suse.cz>
11694
11695         * tree-pas.h (TODO_remove_function): New flag.
11696         (TODO_update*): Renumber.
11697         (pass_ipa_increase_alignment,
11698         pass_ipa_function_and_variable_visibility): New passes.
11699         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11700         (cgraph_function_and_variable_visibility): Move to ipa.c
11701         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11702         cgraph_increase_alignment.
11703         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11704         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11705         calling tree-inline.
11706         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11707         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11708         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11709         (gate_increase_alignment): New function.
11710         (pass_ipa_increase_alignment): New pass.
11711         * ipa.c: Inline tree-pass.h and timevar.h
11712         (function_and_variable_visibility): Move here from cgraphunit.c
11713         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11714         * passes.c (init_optimization_passes): Add the two new passes.
11715         (execute_todo): Handle cgraph_remove_functions.
11716
11717 2007-01-08  Nick Clifton  <nickc@redhat.com>
11718
11719         * config/frv/predicates.md (reg_or_0_operand): Accept
11720         CONST_DOUBLEs.
11721
11722 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11723
11724         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11725         * config.gcc: Add bfin*-rtems*.
11726
11727 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11728
11729         * c.opt: Add -flax-vector-conversions.
11730         * c-typeck.c (convert_for_assignment): Pass flag to
11731         vector_types_convertible_p to allow emission of note.
11732         (digest_init): Likewise.
11733         * c-opts.c: Handle -flax-vector-conversions.
11734         * c-common.c (flag_lax_vector_conversions): New.
11735         (vector_types_convertible_p): Unless -flax-vector conversions
11736         has been passed, disallow conversions between vectors with
11737         differing numbers of subparts and/or element types.  If such
11738         a conversion is disallowed, possibly emit a note on the first
11739         occasion only to inform the user of -flax-vector-conversions.
11740         The new last argument specifies this.
11741         * c-common.h (flag_lax_vector_conversions): New.
11742         (vector_types_convertible_p): Add extra argument.
11743         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11744         char_type_node for V*QI type vectors.
11745         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11746         Update to satisfy new typechecking rules.
11747         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11748         C and C++ variants.
11749         * doc/invoke.texi (C Dialect Options): Document
11750         -flax-vector-conversions.
11751
11752 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11753
11754         PR tree-optimization/29877
11755         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11756         a register variable on the RHS to not be replaceable.
11757
11758 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11759         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11760         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11761         const_simm15, const_pow2, const_npow2): Added.
11762         * config/score/misc.md (insv, extv, extzv, movmemsi,
11763         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11764         * config/score/score.c (score_address_cost, score_select_cc_mode):
11765         Added.
11766         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11767         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11768         Update score_print_operand.
11769         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11770         Adjust register allocate order and update some macro define.
11771         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11772         mdx_block_move_straight, mdx_block_move_loop_head,
11773         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11774         mdx_block_move): Added.
11775         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11776         mdp_limm): Updated and fix some bug and typo.
11777         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11778         (movsf, movdf, doloop_end): Added.
11779
11780 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11781
11782         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11783         config/arm/thumb2.md: Fix comment typos.
11784         * doc/extend.texi: Fix a typo.
11785
11786 2007-01-07  Eric Christopher  <echristo@apple.com>
11787
11788         * configure.ac: Check for __stack_chk_fail for darwin.
11789         * configure: Regenerate.
11790
11791 2007-01-07  Richard Guenther  <rguenther@suse.de>
11792
11793         * tree-vrp.c (extract_range_from_assert): CSE calls to
11794         compare_values where possible.
11795         (extract_range_from_unary_expr): Likewise.
11796
11797 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11798
11799         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11800         * config/avr/avr.c (call_insn_operand): Delete function.
11801         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11802         instead of register number. Use predicates.
11803         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11804         call_insn_operand): Add.
11805
11806 2007-01-06  Jan Hubicka  <jh@suse.cz>
11807
11808         * tree-pass.h (pass_build_cgraph_edges): Declare.
11809         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11810         (visited_nodes): Remove.
11811         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11812         build_cgrpah_edges; make visited_nodes local.
11813         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11814         (record_references_in_initializer): Move to cgraphbuild.c
11815         (initialize_inline_failed, rebuild_cgraph_edges,
11816         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11817         (verify_cgraph_node): Make visited_nodes local.
11818         (cgraph_analyze_function): Do not call cgraph_create_edges and
11819         initialize_inline_failed.
11820         (cgraph_expand_function): Do not call cgraph_lower_function;
11821         assert that function is already lowered.
11822         * Makefile.in (cgraphbuild.o): New.
11823         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11824         at the end of lowering passes.
11825
11826 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11827
11828         * ifcvt.c (cond_move_convert_if_block): New function, code
11829         factored out from...
11830         (cond_move_process_if_block): ...here.  Call the new function
11831         on the THEN and ELSE blocks.
11832         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11833         already takes care of this.
11834
11835 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11836
11837         PR c/19978
11838         * tree.h (TREE_OVERFLOW_P): New.
11839         * c-typeck.c (parser_build_unary_op): Warn only if result
11840         overflowed and operands did not.
11841         (parser_build_binary_op): Likewise.
11842         (convert_for_assignment): Remove redundant overflow_warning.
11843         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11844
11845 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11846
11847         * c-typeck.c (store_init_value): Split over two lines to follow
11848         the GNU coding style.
11849
11850 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11851
11852         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11853         __GXX_EXPERIMENTAL_CXX0X__.
11854         * doc/cpp.texi: Same.
11855
11856 2007-01-05  Richard Guenther  <rguenther@suse.de>
11857
11858         PR middle-end/27826
11859         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11860         with mismatched types.  Instead explicitly build a
11861         conversion NOP_EXPR.
11862
11863 2007-01-05  Ian Lance Taylor  <iant@google.com>
11864
11865         * c-common.c (decl_with_nonnull_addr_p): New function.
11866         (c_common_truthvalue_conversion): Call it.
11867         * c-typeck.c (build_binary_op): Likewise.
11868         * c-common.h (decl_with_nonnull_addr_p): Declare.
11869
11870 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11871
11872         PR c/30360
11873         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11874         denom against 0.0.
11875
11876 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11877
11878         * doc/install.texi (Final install): Document the fact that
11879         the GNAT runtime should not be stripped.
11880
11881 2007-01-04  Jan Hubicka  <jh@suse.cz>
11882
11883         * tree-inline.c (fold_marked_statements): Update operand caches
11884         and EH after folding
11885
11886 2007-01-04  Ian Lance Taylor  <iant@google.com>
11887
11888         * c-common.c (check_function_nonnull): Whitespace fix.
11889
11890 2007-01-04  Jan Hubicka  <jh@suse.cz>
11891
11892         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11893         comitted older version of patch.
11894         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11895         function, celanup cfg and collect garbage.
11896
11897 2007-01-04  Mike Stump  <mrs@apple.com>
11898
11899         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11900         (clean): Likewise.
11901
11902 2007-01-04  Eric Christopher  <echristo@apple.com>
11903
11904         * libgcc2.c (__bswapsi2): Use SItype.
11905         (__bswapdi2): Use DItype.
11906         * libgcc2.h: Update for above.
11907
11908 2007-01-04  Paul Brook  <paul@codesourcery.com>
11909
11910         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11911         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11912         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11913         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11914         umulsi3_highpart): Make conditional on !arm_arch6.
11915         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11916         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11917         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11918         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11919         umulsi3_highpart_v6): New insns.
11920
11921 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11922
11923         * fold-const.c (fold_convert): When casting an expression to void,
11924         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11925         have a type.  Instead of attempting to build a NOP_EXPR, return
11926         these "special" trees directly.
11927
11928 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11929
11930         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11931         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11932         rs6000_cost->fp not 0 as adjustment for outer NEG.
11933
11934 2007-01-04  Jan Hubicka  <jh@suse.cz>
11935
11936         * cgraph.c (cgraph_release_function_body): New function.
11937         (cgraph_remove_node): Use it.
11938         * cgraph.h (cgraph_release_function_body): Declare.
11939         * cgraphunit.c (cgraph_expand_function): Use it.
11940         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11941         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11942         is initialized and while compilation of other function is running.
11943         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11944         statement CFG annotations from here to ...
11945         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11946
11947 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11948
11949         * cfgloop.h (enum li_flags): Make the constants powers of two.
11950
11951 2007-01-04  Jan Hubicka  <jh@suse.cz>
11952
11953         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11954         set.
11955         (fold_marked_statements): New function.
11956         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11957         * tree-inline.h (copy_body_data): Add statements_to_fold.
11958
11959 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11960
11961         * config.gcc: Mention libgcc/config.host.
11962         * Makefile.in: Update comments mentioning libgcc.
11963         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11964         (all.cross, start.encap, rest.encap, rest.cross): Update
11965         dependencies for libgcc move.
11966         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11967         (clean-target, clean-target-libgcc): Delete.
11968         (srcdirify, GCC_EXTRA_PARTS): New macros.
11969         (libgcc-support, libgcc.mvars): New rules.
11970         (distclean): Remove mention of mklibgcc.
11971         (install): Don't reference INSTALL_LIBGCC.
11972         (install-common): Don't reference EXTRA_PARTS.
11973         (install-libgcc, install-multilib): Delete rules.
11974         * mklibgcc.in: Delete file.
11975         * doc/configfiles.texi: Don't mention mklibgcc.
11976
11977         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11978         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11979         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11980         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11981         (mklibgcc, ldblspecs): Likewise.
11982
11983         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11984         (posixpre.def): Use $(T).
11985         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11986         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11987         (SHLIB_LINK): Make dummy.
11988         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11989
11990         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11991
11992         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11993         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11994         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11995         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11996
11997         * configure.ac (all_outputs): Remove mklibgcc.
11998         * configure: Regenerated.
11999
12000 2007-01-03  Josh Conner  <jconner@apple.com>
12001
12002         PR middle-end/29683
12003         * calls.c (compute_argument_addresses): Set stack and stack_slot
12004         for partial args, too.
12005         (store_one_arg): Use locate.size.constant for the size when
12006         generating a save_area.
12007
12008 2007-01-03  Robert Kennedy <jimbob@google.com>
12009
12010         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12011         whose definitions are deleted due to basic block merging.
12012
12013 2007-01-03  Paul Brook  <paul@codesourcery.com>
12014
12015         PR target/16634
12016         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12017         functions.
12018         (use_return_insn): Return 0 for Thumb interrupt functions.
12019         (print_multi_reg): Add rfe argument for IRQ returns.
12020         (arm_output_epilogue): Pop interrupt return address directly into PC.
12021         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12022
12023 2007-01-03  Paul Brook  <paul@codesourcery.com>
12024
12025         Merge from sourcerygxx-4_1.
12026         * config/arm/thumb2.md: New file.
12027         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12028         Thumb-2.
12029         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12030         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12031         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12032         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12033         tables.
12034         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12035         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12036         comptibility.
12037         * config/arm/ieee754-sf.S: Ditto.
12038         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12039         (thumb1_base_register_rtx_p): ... to this.
12040         (thumb_index_register_rtx_p): Rename...
12041         (thumb1_index_register_rtx_p): ... to this.
12042         (thumb_output_function_prologue): Rename...
12043         (thumb1_output_function_prologue): ... to this.
12044         (thumb_legitimate_address_p): Rename...
12045         (thumb1_legitimate_address_p): ... to this.
12046         (thumb_rtx_costs): Rename...
12047         (thumb1_rtx_costs): ... to this.
12048         (thumb_compute_save_reg_mask): Rename...
12049         (thumb1_compute_save_reg_mask): ... to this.
12050         (thumb_final_prescan_insn): Rename...
12051         (thumb1_final_prescan_insn): ... to this.
12052         (thumb_expand_epilogue): Rename...
12053         (thumb1_expand_epilogue): ... to this.
12054         (arm_unwind_emit_stm): Rename...
12055         (arm_unwind_emit_sequence): ... to this.
12056         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12057         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12058         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12059         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12060         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12061         thumb2_output_casesi): New functions.
12062         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12063         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12064         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12065         THUMB2_WORK_REGS): Define.
12066         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12067         arm_condexec_mask, arm_condexec_masklen)): New variables.
12068         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12069         (arm_override_options): Check new CPU capabilities.
12070         Set new architecture flag variables.
12071         (arm_isr_value): Handle v7m interrupt functions.
12072         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12073         Thumb-2.
12074         (const_ok_for_arm): Handle Thumb-2 constants.
12075         (arm_gen_constant): Ditto.  Use movw when available.
12076         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12077         functions.
12078         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12079         (thumb_find_work_register, arm_load_pic_register,
12080         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12081         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12082         print_multi_reg, output_mov_long_double_fpa_from_arm,
12083         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12084         output_mov_double_fpa_from_arm, output_move_double,
12085         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12086         output_return_instruction, arm_output_function_prologue,
12087         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12088         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12089         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12090         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12091         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12092         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12093         '!' and 'L'.
12094         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12095         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12096         (arm_file_start): Output directive for unified syntax.
12097         (arm_unwind_emit_set): Handle stack alignment instruction.
12098         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12099         Add v6t2, v7, v7a, v7r and v7m.
12100         (RETLDM): Add Thumb-2 code.
12101         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12102         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12103         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12104         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12105         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12106         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12107         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12108         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12109         ADJUST_INSN_LENGTH): Define.
12110         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12111         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12112         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12113         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12114         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12115         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12116         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12117         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12118         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12119         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12120         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12121         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12122         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12123         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12124         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12125         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12126         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12127         cortex-m3.
12128         * config/arm/arm-tune.md: Regenerate.
12129         * config/arm/arm-protos.h: Update prototypes.
12130         * config/arm/vfp.md: Enable patterns for Thumb-2.
12131         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12132         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12133         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12134         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12135         * config/arm/libunwind.S: Add Thumb-2 code.
12136         * config/arm/constraints.md: Update include Thumb-2.
12137         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12138         * config/arm/ieee754-df.S: Ditto.
12139         * config/arm/bpabi.S: Ditto.
12140         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12141         * config/arm/predicates.md (low_register_operand,
12142         low_reg_or_int_operand, thumb_16bit_operator): New.
12143         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12144         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12145         * config/arm/t-arm-elf: Add armv7 multilib.
12146         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12147         Include thumb2.md.
12148         (UNSPEC_STACK_ALIGN, ce_count): New.
12149         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12150         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12151         insns/expanders.
12152         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12153         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12154         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12155         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12156         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12157         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12158         insns.
12159         * doc/extend.texi: Document ARMv7-M interrupt functions.
12160         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12161
12162 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12163
12164         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12165         (struct _Unwind_Context): Rename args_size to flags, remove
12166         signal_frame field, add a new args_size field and version field.
12167         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12168         _Unwind_IsExtendedContext): New inline functions.
12169         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12170         Assume by_value array is only present if _Unwind_IsExtendedContext.
12171         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12172         _Unwind_IsSignalFrame.
12173         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12174         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12175         (uw_init_context_1): Initialize context->flags to
12176         EXTENDED_CONTEXT_BIT.
12177         * config/rs6000/linux-unwind.h (frob_update_context): Use
12178         _Unwind_SetSignalFrame.
12179
12180 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12181
12182         PR middle-end/30353
12183         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12184         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12185         the value.
12186
12187 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12188
12189         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12190         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12191         RET, AT_SP): Remove.
12192         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12193         instead of RET.
12194
12195         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12196         * cfgbuild.c (find_basic_blocks): Likewise.
12197         * cfgrtl.c (rtl_create_basic_block): Likewise.
12198         * function.c (temp_slots_at_level): Likewise.
12199         * reg-stack.c (stack_regs_mentioned): Likewise.
12200         * regclass.c (allocate_reg_info): Likewise.
12201         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12202         set_bb_for_stmt, move_block_to_fn): Likewise.
12203         * tree-complex.c (tree_lower_complex): Likewise.
12204         * vec.h (VEC_safe_grow_cleared): New.
12205
12206         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12207
12208 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12209
12210         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12211         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12212         to loop_version.
12213         * cfgloopmanip.c (scale_loop_frequencies): Export.
12214         (loopify): Scale the frequencies by prescribed coefficients.
12215         (set_zero_probability): New function.
12216         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12217         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12218         and frequencies according to arguments.
12219         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12220         correctly.
12221         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12222         * modulo-sched.c (sms_schedule): Set probabilities for entering
12223         versioned loop correctly.
12224         * tree-vect-transform.c (vect_transform_loop): Ditto.
12225         * cfgloop.h (loopify, loop_version): Declaration changed.
12226         (scale_loop_frequencies): Declared.
12227
12228 2007-01-02  Jan Hubicka  <jh@suse.cz>
12229
12230         * cgraph.c: Include tree-flow.h
12231         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12232         early_local_passes.
12233         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12234         * tree-pass.h (pass_all_early_optimizations): Declare.
12235         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12236         early_local_passes.
12237         (cgraph_analyze_function): Do early_local_passes.
12238         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12239         Do not add referenced vars.
12240         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12241         SSA form.
12242         (gate_all_early_local_passes): New gate.
12243         (pass_early_local_passes): Use new gate.
12244         (execute_early_local_optimizations): New functions.
12245         (gate_all_early_optimizations): New gate.
12246         (pass_all_early_optimizations): New pass.
12247         (execute_free_datastructures): Free SSA only when initialized.
12248         (gate_init_datastructures): Init only when optimizing.
12249         (tree_lowering_passes): Do early local passes when called late.
12250         * tree-profile.c (do_tree_profiling): Don't profile functions added
12251         late.
12252         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12253         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12254         not active.
12255         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12256         during early_local_passes.
12257         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12258
12259
12260 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12261
12262         * Makefile.in: Update copyright year.
12263
12264 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12265
12266         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12267         in $(lang_checks) and check-consistency targets.
12268
12269 2007-01-02  Jan Hubicka  <jh@suse.cz>
12270
12271         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12272         Do not add referenced vars.
12273         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12274         are not active.
12275         * passes.c (init_optimization_passes): Put mudflap_2 after
12276         free_datastructures.
12277
12278 2007-01-02  Jan Hubicka  <jh@suse.cz>
12279
12280         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12281         Set NOTHROW flag on call statements proved to be nothrow.
12282         Update statement of local calls so new pure/const functions are
12283         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12284         goto receivers.
12285         (tree_rest_of_compilation): Register hooks and initialize bitmap
12286         early. Do not set after_inlining flag.
12287
12288 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12289
12290         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12291         HOST_BITS_PER_LONGLONG
12292
12293 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12294
12295         PR c/19977
12296         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12297         warning for non-static initializers.
12298
12299 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12300
12301         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12302         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12303         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12304         Always use set_unique_reg_note to add REG_EQUAL notes.
12305
12306 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12307
12308         Revert:
12309         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12310
12311         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12312         * cfgbuild.c (find_basic_blocks): Likewise.
12313         * cfgrtl.c (rtl_create_basic_block): Likewise.
12314         * function.c (temp_slots_at_level): Likewise.
12315         * reg-stack.c (stack_regs_mentioned): Likewise.
12316         * regclass.c (allocate_reg_info): Likewise.
12317         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12318         set_bb_for_stmt, move_block_to_fn): Likewise.
12319         * tree-complex.c (tree_lower_complex): Likewise.
12320         * vec.h (VEC_safe_grow_cleared): New.
12321
12322 2007-01-02  Ian Lance Taylor  <iant@google.com>
12323
12324         * c-common.c (c_common_truthvalue_conversion): When warning about
12325         using an assignment as a truth value, set TREE_NO_WARNING.
12326
12327 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12328
12329         PR middle-end/7651
12330         * c.opt (Wold-style-declaration): New.
12331         * doc/invoke.texi (C-only Warning Options): New.
12332         (Wold-style-declaration): Document it.
12333         (Wextra): Enabled by -Wextra.
12334         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12335         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12336         -Wold-style-declaration.
12337
12338 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12339
12340         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12341         * cfgbuild.c (find_basic_blocks): Likewise.
12342         * cfgrtl.c (rtl_create_basic_block): Likewise.
12343         * function.c (temp_slots_at_level): Likewise.
12344         * reg-stack.c (stack_regs_mentioned): Likewise.
12345         * regclass.c (allocate_reg_info): Likewise.
12346         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12347         set_bb_for_stmt, move_block_to_fn): Likewise.
12348         * tree-complex.c (tree_lower_complex): Likewise.
12349         * vec.h (VEC_safe_grow_cleared): New.
12350
12351 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12352
12353         * c-common.c (c_common_nodes_and_builtins): Since variants of
12354         void_type_node get built before it is given a name, we need to
12355         give those variants the name, too.
12356         (complete_array_type): We need to work with the canonical main
12357         type of the array, from which we will build the qualified version.
12358         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12359         * print-tree.c (print_node): Display canonical type information
12360         for each type.
12361         * stor-layout.c (layout_type): When we don't know the
12362         alignment of a type for which we're building an array, we end up
12363         guessing wrong, so make the type require structural equality.
12364         * tree.c (make_node_stat): When we build a new type, it is its
12365         own canonical type.
12366         (build_type_attribute_qual_variant): When building an attribute
12367         variant, its canonical type is the non-attribute variant. However,
12368         if the attributes are target-dependent and they differ, we need to
12369         use structural equality checks for this type.
12370         (build_qualified_type): A qualified type is not equivalent to its
12371         unqualified variant; set the canonical type appropriately.
12372         (build_distinct_type_copy): When building a distinct type from
12373         another type, the new type is its own canonical type.
12374         (build_variant_type_copy): When building a new type variant, we
12375         assume that it is equivalent to the original type.
12376         (build_pointer_type_for_mode): When building a pointer type, also
12377         build a canonical type pointer.
12378         (build_reference_type_for_mode): When building a reference type,
12379         also build a canonical type reference.
12380         (build_index_type): When we can't hash an index type (e.g.,
12381         because its maximum value is negative), the index type requires
12382         structural equality tests.
12383         (build_array_type): Build the canonical form of an array type.
12384         (build_function_type): Function types require structural equality,
12385         because they contain default arguments, attributes, etc.
12386         (build_method_type_directly): Ditto for method types.
12387         (build_offset_type): Build the canonical offset type.
12388         (build_complex_type): Build the canonical vector type.
12389         (make_vector_type): Build the canonical vector type.
12390         * tree.h (TYPE_CANONICAL): New.
12391         (TYPE_STRUCTURAL_EQUALITY_P): New.
12392         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12393         (struct tree_type): Added "canonical" field.
12394         * params.h (VERIFY_CANONICAL_TYPES): New.
12395         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12396         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12397         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12398         * doc/invoke.texi (verify-canonical-types): Document --param
12399         parameter for verifying canonical types.
12400
12401 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12402
12403         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12404         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12405         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12406         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12407         tm_file.
12408         * config/rs6000/e500.h: New.
12409         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12410         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12411         Remove.
12412         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12413         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12414         TARGET_E500_DOUBLE): Remove.
12415         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12416         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12417         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12418         * config/rs6000/rs6000.c (rs6000_override_options): Use
12419         CHECK_E500_OPTIONS.
12420
12421 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12422
12423         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12424         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12425         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12426         rs6000_emit_cmove): Don't check TARGET_E500.
12427         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12428         sordered): Don't check TARGET_E500.
12429
12430 2007-01-01  Eric Christopher  <echristo@apple.com>
12431
12432         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12433         HARD_REGISTER_NUM_P.
12434
12435 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12436
12437         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12438         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12439         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12440         eq/ne Y".
12441
12442 2007-01-01  Mike Stump  <mrs@apple.com>
12443
12444         * configure.ac: Remove support for building with Apple's gcc-3.1.
12445
12446 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12447
12448         PR middle-end/30311
12449         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12450         REG is a hard register.  Do not modify REG before calling
12451         subreg_nregs.
12452         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12453         multiple of the size of YMODE for certain lowpart cases.
12454
12455 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12456
12457         PR middle-end/30253
12458         * gimplify (voidify_wrapper_expr): Update for
12459         GIMPLE_MODIFY_STMT.
12460
12461 2007-01-01  Andreas Schwab  <schwab@suse.de>
12462
12463         PR target/29166
12464         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12465         save of BR0 in extra_spill_size instead of spill_size.
12466         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12467         area.
12468         (ia64_expand_epilogue): Restore BR0 from its new location.
12469
12470 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12471
12472         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12473         Use a temporary variable if the left hand side is not a gimple
12474         register.
12475
12476 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12477
12478         * gimplify.c (gimplify_return_expr): Make the temporary variable
12479         for the return expression, a gimple register variable.
12480
12481 2007-01-01  Jan Hubicka  <jh@suse.cz>
12482
12483         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12484         INSN_LIST.
12485
12486 2007-01-01  Mike Stump  <mrs@apple.com>
12487
12488         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12489         .literal16.
12490         * config/darwin.c (machopic_select_rtx_section): Use
12491         HAVE_GAS_LITERAL16.
12492         (darwin_mergeable_constant_section): Likewise.
12493         * configure: Regenerate.
12494         * config.in: Regenerate.
12495
12496 2007-01-01  Jan Hubicka  <jh@suse.cz>
12497             Andrew Pinski  <pinskia@gmail.com>
12498
12499         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12500         before starting IPA passes.