gcc/ChangeLog

   1 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * soft-fp/README: Update for new files.
   4         * soft-fp/floattisf.c: New file.
   5         * soft-fp/floattidf.c: New file.
   6         * soft-fp/floattitf.c: New file.
   7         * soft-fp/floatuntisf.c: New file.
   8         * soft-fp/floatuntidf.c: New file.
   9         * soft-fp/floatuntitf.c: New file.
  10         * soft-fp/fixsfti.c: New file.
  11         * soft-fp/fixdfti.c: New file.
  12         * soft-fp/fixtfti.c: New file.
  13         * soft-fp/fixunssfti.c: New file.
  14         * soft-fp/fixunsdfti.c: New file.
  15         * soft-fp/fixunstfti.c: New file.
  16         * soft-fp/extendxftf.c: New file.
  17         * soft-fp/trunctfxf.c: New file.
  18
  19         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
  20         (__trunctfxf2): Ditto.
  21
  22         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
  23         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
  24         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
  25         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
  26         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
  27         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
  28
  29         * config/i386/t-fprules-softfp64: New file.
  30         * config/i386/sfp-machine.h: New file.
  31         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
  32         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
  33         and soft-fp/t-softfp to tmake_file.
  34         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
  35         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
  36
  37         * config/i386/t-linux64 (softfp_wrap_start): New.
  38         (softfp_wrap_end): New.
  39         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
  40         supported for TARGET_64BIT.
  41
  42 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
  43
  44         * c-common.c (c_common_signed_or_unsigned_type): Emulate
  45         c_common_unsigned_type behavior.
  46
  47 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
  48
  49         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
  50         calls as pure.
  51
  52 2007-05-16  Eric Christopher  <echristo@apple.com>
  53
  54         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
  55         saving after stack push. Set sp_offset whenever we push.
  56         (rs6000_emit_epilogue): Move altivec register restore before stack push.
  57
  58 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
  59
  60         * configure.ac: Allow sysroots to be relocated under $prefix as
  61         well as $exec_prefix.
  62         * configure: Regenerate.
  63
  64 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
  65
  66         Revert:
  67
  68         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
  69
  70         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
  71         (gcc_tooldir): Likewise.
  72         * configure: Regenerate.
  73         * Makefile.in (libsubdir_to_prefix): New variable, based on the
  74         old configure.ac gcc_tooldir setting.
  75         (prefix_to_exec_prefix): New variable.
  76         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
  77         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
  78
  79 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
  80
  81         * c-typeck.c (build_binary_op): Return early for error.
  82
  83 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
  84
  85         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
  86         struct nb_iter_bound.
  87         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
  88         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
  89         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
  90         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
  91         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
  92         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
  93         (del_scev_info): Use ggc_free.
  94         (scev_initialize): Allocate scalar_evolution_info in gc memory.
  95         * loop-init.c: Include ggc.h.
  96         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
  97         (loop_optimizer_finalize): Use ggc_free.
  98         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
  99         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
 100         pass_iv_optimize): Add TODO_ggc_collect.
 101         * function.h (struct function): Remove skip marker from x_current_loops.
 102         * cfgloop.c: Include ggc.h.
 103         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
 104         memory.
 105         (establish_preds): Vector superloops is gc allocated.
 106         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
 107         loop->exits list.
 108         (flow_loops_find): Vector larray is gc allocated.
 109         (loop_exit_free): Use ggc_free.
 110         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
 111         that head of exits list is now not a part of struct loop.
 112         (record_loop_exits): Allocate exits table in gc memory.
 113         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
 114         head of exits list is now not a part of struct loop.
 115         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
 116         struct loop_exit): Add GTY marker.
 117         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
 118         Add skip marker to aux field.  Make head of exits list a separate
 119         object.
 120         (struct loops): Add GTY marker.  Make larray vector gc allocated.
 121         Add param marker to exits table.
 122         (get_loops): Type changed.
 123         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
 124         dependency.
 125         (cfgloop.o, loop-init.o): Add ggc.h dependency.
 126         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
 127         * basic-block.h (struct basic_block_def): Remove skip marker from
 128         loop_father field.
 129
 130 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
 131
 132         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
 133         of 0 in the call to expand_expr().
 134         (expand_builtin_mathfn_3): Ditto.
 135         (expand_builtin_interclass_mathfn): Ditto.
 136         (expand_builtin_cexpi): Ditto.
 137         (expand_builtin_int_roundingfn): Ditto.
 138         (expand_builtin_int_roundingfn_2): Ditto.
 139         (expand_builtin_pow): Ditto.
 140         (expand_builtin_powi): Ditto.
 141         (expand_builtin_bswap): Ditto.
 142         (expand_builtin_unop): Ditto.
 143         (expand_builtin_fabs): Ditto.
 144         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
 145         the call to expand_expr().
 146         (expand_builtin_sync_operation): Ditto.
 147         (expand_builtin_compare_and_swap): Ditto.
 148         (expand_builtin_lock_test_and_set): Ditto.
 149         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
 150         instead of 0 in the call to expand_expr().
 151         (expand_builtin_extract_return_addr): Ditto.
 152         (expand_builtin_eh_return): Ditto.
 153         (expand_eh_return): Ditto.
 154         * explow.c (expr_size): Ditto.
 155         * expr.c (optimize_bitfield_assignment_op): Ditto.
 156         (expand_assignement): Ditto.
 157         (store_expr): Ditto.
 158         (store_field): Ditto.
 159         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
 160         the call to expand_expr().
 161         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
 162         in the call to expand_expr().
 163         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
 164         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
 165         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
 166         of expand_expr().
 167         * optabs.c (expand_vec_shift_expr): Ditto.
 168         (expand_vec_cond_expr): Ditto.
 169         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
 170         call to expand_expr().
 171         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
 172         in the call to expand_expr().
 173
 174 2007-05-14  Dave Korn  <dave.korn@artimi.com>
 175
 176         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
 177
 178 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
 179
 180         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
 181         instead of c_common_unsigned_type.
 182         (c_common_unsigned_type): Remove.
 183         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
 184         c_common_unsigned_type.
 185         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
 186         c_common_unsigned_type.
 187         * c-common.h (c_common_unsigned_type): Remove.
 188         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
 189         c_common_unsigned_type.
 190         * c-format.c (check_format_types): Use unsigned_type_for instead of
 191         c_common_unsigned_type.
 192         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 193         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
 194         c_common_unsigned_type.
 195         * convert.c (convert_to_integer): Use unsigned_type_for instead of
 196         lang_hooks.types.unsigned_type.
 197         * expmed.c (make_tree): Use unsigned_type_for instead of
 198         lang_hooks.types.unsigned_type.
 199         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
 200         lang_hooks.types.unsigned_type.
 201         (build_range_check): Likewise.
 202         (fold_unary): Likewise.
 203         (fold_binary): Likewise.
 204         (fold_ternary): Likewise.
 205         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 206         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
 207         * tree.c (get_unsigned_type): New.
 208         (unsigned_type_for): Use get_unsigned_type instead of
 209         lang_hooks.types.unsigned_type.
 210
 211 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
 212
 213         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
 214         to m68k_get_function_kind.  Update its prototype.
 215         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
 216         interrupt_thread.
 217         (m68k_interrupt_function_p): Return enum m68k_function_type
 218         instead of bool.  Rename to m68k_get_function_kind.
 219         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
 220         target is not fido.
 221         (m68k_compute_frame_layout): Don't mark any register for save
 222         if an interrupt_thread attribute is specified.
 223         (m68k_hard_regno_rename_ok): Update a use of
 224         m68k_interrupt_function_p.
 225         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
 226         m68k_interrupt_function_p.
 227         (m68k_function_type): New.
 228         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
 229         for a function with an interrupt_thread attribute.
 230         * doc/extend.texi: Document the interrupt_thread attribute.
 231
 232 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
 233
 234         Fix PR tree-optimization/31911
 235         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
 236         if they didn't change the expression.
 237
 238 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
 239
 240         * tree-scalar-evolution.c (resolve_mixers): Exported.
 241         * tree-scalar-evolution.h (resolve_mixers): Declare.
 242         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
 243         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
 244         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
 245         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
 246         init_array_ref, init_pointer_ref, analyze_indirect_ref,
 247         strip_conversion, analyze_offset_expr, address_analysis,
 248         object_analysis, analyze_offset): Removed.
 249         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
 250         split_constant_offset, canonicalize_base_object_address,
 251         object_address_invariant_in_loop_p, disjoint_objects_p,
 252         dr_may_alias_p, dr_address_invariant_p): New functions.
 253         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
 254         and dr_analyze_alias.
 255         (initialize_data_dependence_relation): Use dr_may_alias_p
 256         and object_address_invariant_in_loop_p.
 257         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
 258         is chrec_dont_know.
 259         (find_data_references_in_stmt): Restrict the analysis of data references
 260         to the given loop nest.
 261         (find_data_references_in_loop): Made static.  Pass loop nest to
 262         find_data_references_in_stmt.
 263         (compute_data_dependences_for_loop): Use DR_VOPS.
 264         (free_data_ref): Free DR_VOPS.
 265         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
 266         (struct innermost_loop_behavior): ... new.
 267         (struct base_object_info): Replaced by ...
 268         (struct indices): ... new.
 269         (struct dr_alias): New.
 270         (enum data_ref_type): Removed.
 271         (struct data_reference): Consist of struct innermost_loop_behavior,
 272         struct indices and struct dr_alias.
 273         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
 274         (DR_MEMTAG): Renamed to ...
 275         (DR_SYMBOL_TAG): ... this.
 276         (find_data_references_in_loop): Declaration removed.
 277         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
 278         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
 279         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
 280         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
 281
 282 2007-05-13  Revital Eres  <eres@il.ibm.com>
 283
 284         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
 285         which walks virtual def-use chains to find redundant stores.
 286         (dse_optimize_stmt): Call it.
 287
 288 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 289
 290         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
 291         * passes.c (init_optimization_passes): Move pass_jump_bypass
 292         after loop2.
 293
 294         * basic-block.h (bb_has_eh_pred): Fix style issue.
 295
 296 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 297
 298         PR rtl-optimization/31848
 299         * loop-invariant.c (move_invariant_reg): If we move an insn
 300         with a REG_EQUAL note, and that insn is not always executed,
 301         remove the REG_EQUAL note.
 302
 303 2007-05-12  Richard Guenther  <rguenther@suse.de>
 304
 305         PR tree-optimization/31797
 306         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
 307         propagate into a stmt that has volatile ops.
 308
 309 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
 310
 311         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
 312         (gcc_tooldir): Likewise.
 313         * configure: Regenerate.
 314         * Makefile.in (libsubdir_to_prefix): New variable, based on the
 315         old configure.ac gcc_tooldir setting.
 316         (prefix_to_exec_prefix): New variable.
 317         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
 318         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
 319
 320 2007-05-11  Silvius Rus  <rus@google.com>
 321
 322         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
 323         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
 324         * c-common.h (strict_aliasing_warning): Change return type.
 325         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
 326         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
 327         (build_c_cast): Condition call to strict_aliasing_warning.
 328         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
 329         * flags.h (set_Wstrict_aliasing): Declare.
 330         * opts.c (set_Wstrict_alising): Define, add call to.
 331         * tree-flow.h (strict_aliasing_warning_backend): Declare.
 332         * tree-ssa-alias-warnings.c: New file.
 333         * tree-ssa-alias.c (compute_may_aliases): Add call to
 334         strict_aliasing_warning_backend.
 335
 336 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
 337
 338         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
 339         Use loop_depth and loop_outer accessor functions.
 340         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
 341         determine_invariantness_stmt, move_computations_stmt): Ditto.
 342         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
 343         add_loop, loopify, unloop, fix_loop_structure): Ditto.
 344         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
 345         * tree-scalar-evolution.c (interpret_loop_phi,
 346         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
 347         instantiate_parameters_1, scev_const_prop): Ditto.
 348         * cfghooks.c (make_forwarder_block): Ditto.
 349         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
 350         * modulo-sched.c (loop_canon_p): Ditto.
 351         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
 352         slpeel_can_duplicate_loop_p): Ditto.
 353         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
 354         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
 355         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
 356         cancel_loop, verify_loop_structure): Ditto.
 357         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
 358         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
 359         superloops vector instead of "pred" array.
 360         (establish_preds): Take father loop as an argument.  Initialize the
 361         superloops vector.
 362         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
 363         initialize loop->outer.
 364         (flow_loop_tree_node_remove): Truncate the superloops vector.
 365         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
 366         "pred" merged to "superloops" vector.
 367         (loop_depth, loop_outer): New.
 368         (fel_init): Use loop_outer.
 369
 370 2007-05-11  Jan Hubicka  <jh@suse.cz>
 371
 372         * cgraphunit.c: Include gt-cgraphunit.h
 373         (static_ctors, static_dtors): New static vars.
 374         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
 375         based on implementation in c-common.c
 376         (cgraph_finalize_function): Call record_cdtor_fn.
 377         (cgraph_optimize): Call cgraph_build_cdtor_fns.
 378         * decl.c (finish_function): Do not call c_record_cdtor_fn.
 379         (c_write_global_declarations): Do not call c_build_cdtor_fns.
 380         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
 381         build_cdtor, c_build_cdtor_fns): Remove.
 382         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
 383         c_build_cdtor_fns): Remove prototype.
 384
 385 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
 386
 387         PR other/31852
 388         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
 389         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
 390         * builtins.c (fold_builtin_memchr): New.
 391         (expand_builtin_memchr): Call the latter.
 392         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
 393         * doc/extend.texi ([Other built-in functions provided by GCC]):
 394         Document memchr.
 395
 396 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
 397
 398         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
 399         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
 400         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
 401         PFPO_OP1_TYPE_SHIFT): Constants added.
 402         (DFP_ALL): Mode macro defined.
 403         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
 404         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
 405         Insn definitions added.
 406         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
 407         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
 408         Expanders added.
 409
 410 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
 411
 412         PR tree-optimization/31885
 413         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
 414         to be undetermined.
 415         (automatically_generated_chrec_p): Return false for NULL.
 416
 417 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 418
 419         * config/bfin/bfin.h (MOVE_RATIO): Define.
 420
 421 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
 422
 423         * config.gcc (sparc-wrs-vxworks): New target.
 424         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
 425         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
 426         * config/sparc/sparc.h: Include vxworks-dummy.h.
 427         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
 428         include LABEL_REFs too.
 429         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
 430         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
 431         VxWorks.
 432         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
 433         on VxWorks.
 434         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
 435         (sparc_emit_call_insn): New function.
 436         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
 437         functions when generating VxWorks PIC.
 438         * config/sparc/sparc.md (vxworks_load_got): New pattern.
 439         (call, call_value): Use sparc_emit_call_insn instead of
 440         emit_call_insn.
 441
 442 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 443
 444         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
 445
 446 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 447
 448         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
 449         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
 450         instead of operand_subword.
 451
 452 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 453
 454         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
 455         * config/bfin/bfin.c (bfin_local_alignment): New function.
 456         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
 457
 458 2007-05-08  Chao-ying Fu  <fu@mips.com>
 459
 460         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
 461         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
 462         (smsub_widen_optab, umsub_widen_optab): Define.
 463         * optabs.c (init_optabs): Initialize smsub_widen_optab and
 464         umsub_widen_optab.
 465         * genopinit.c (optabs): Fill in smsub_widen_optab and
 466         umsub_widen_optab.
 467         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
 468         and umsub_widen_optab to implement multiply-subtract sequences.
 469         * config/mips/mips.md (*msac<u>_di): Rename to...
 470         (<u>msubsidi4): ...this.  Extend condition to include
 471         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 472         of operand 0 to "ka" and use the three-operand form of msub<u>
 473         for TARGET_DSPR2.
 474         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
 475         to define_expands.
 476
 477 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 478
 479         PR rtl-optimization/28011
 480         * reload.c (push_reload): Set dont_share if IN appears in OUT
 481         also when IN is a PLUS rtx.
 482         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 483         are same PLUS rtx.
 484
 485 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
 486
 487         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
 488         call unshare_all_decls.
 489         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
 490         (unshare_all_decls): Remove.
 491
 492 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
 493
 494         PR 31847
 495         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
 496         dumps.
 497
 498 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 499             Nigel Stephens  <nigel@mips.com>
 500
 501         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
 502         Update comments and all uses.
 503         (MIN_FPRS_PER_FMT): Define.
 504         * config/mips/mips.c (function_arg): Fix to correctly handle
 505         the -mips32r2 -mfp64 -mabi=32 case.
 506         (override_options): Enable use of odd-numbered registers for
 507         SFmode values on MIPS32.
 508         (mips_save_reg_p): Save whole floating-point register pair if
 509         either half is used.
 510         (compute_frame_size): Fix comment.
 511
 512 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
 513
 514         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
 515         argument of type bool.
 516         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
 517         argument. Safely select temporary P register according to it.
 518         (do_link): Change call site of add_to_reg accordingly.
 519         (do_unlink): Add epilogue_p as a fourth argument and pass it
 520         to add_to_reg.
 521         (expand_interrupt_handler_epilogue): Change call of do_unlink
 522         accordingly.
 523         (bfin_expand_prologue): Add a third argument sibcall_p.
 524         * config/bfin/bfin.md (epilogue): Change call of
 525         bfin_expand_epilogue accordingly.
 526         (sibcall_epilogue): Likewise.
 527         (eh_return_internal): Likewise.
 528
 529         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
 530         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
 531         * config/bfin/bfin.c (bfin_handle_option): Handle
 532         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
 533         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
 534         Support bf534, bf536 and bf561.
 535         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
 536
 537 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
 538
 539         PR target/31854
 540         * config/i386/i386.c (ix86_function_regparm): Process local
 541         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
 542
 543 2007-05-07  Mike Stump  <mrs@apple.com>
 544
 545         * doc/invoke.texi (Warning Options): Document that -Wempty-body
 546         also checks for and while statements in C++.
 547
 548 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
 549
 550         * gcc.c (at_file_supplied): New variable.
 551         (main): Set it if we expanded argv.
 552         (do_spec_1): Pass an @-file to the linker if we were called with
 553         an @-file argument and HAVE_GNU_LD.
 554         * collect2.c (at_file_supplied): New variable.
 555         (response_file): New variable.
 556         (collect_exit): Unlink response_file if necessary.
 557         (handler): Likewise.
 558         (do_wait): Likewise.
 559         (main): Set at_file_supplied if we expanded argv.
 560         (collect_execute): Pass an @-file to subprocesses if we were called
 561         with an @-file argument.
 562         * configure.ac: Add define for HAVE_GNU_LD.
 563         * configure: Regenerate.
 564         * config.in: Regenerate.
 565
 566 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
 567
 568         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
 569         operand to HI mode.
 570         (mulsi3): New.
 571         (divsi3): New.
 572         (udivsi3): New.
 573
 574 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
 575
 576         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 577         (TARGET_ENCODE_SECTION_INFO): Re-define.
 578         (m32c_encode_section_info): New
 579         (function_vector_handler): New
 580         (current_function_special_page_vector): New
 581         (m32c_special_page_vector_p): New.
 582         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
 583         Prototype.
 584         * config/m32c/jump.md: Added instruction JSRS for functions
 585         with attribute "function_vector".
 586         * doc/extend.texi (function_vector): Added description
 587         for M16C, M32C targets.
 588
 589 2007-05-07  DJ Delorie  <dj@redhat.com>
 590
 591         PR 31794
 592         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
 593         ashrpsi3, lshrpsi3): Update shift count constraint.
 594
 595 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
 596             Nathan Froyd  <froydnj@codesourcery.com>
 597
 598         PR 22133
 599         * c-incpath.c (add_path): Strip trailing path separators.
 600
 601 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 602
 603         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
 604         Free dominance info before purging EH edges.
 605         (eliminate_degenerate_phis): Likewise.
 606         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
 607
 608 2007-05-07  Jan Hubicka  <jh@suse.cz>
 609
 610         * gimplify.c (gimplify_expr): Do not crash when folding
 611         (void *)(int)&a + 4.
 612
 613 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 614
 615         PR driver/31694
 616         * c-opts.c (lang_fortran): Make it non static.
 617         * c-common.h (lang_fortran): New prototype.
 618         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
 619         -lang-fortran option was passed by the driver.
 620
 621 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
 622
 623         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
 624         of ASSERT_CHECKING.  Tweak message.
 625
 626 2007-05-06  Revital Eres  <eres@il.ibm.com>
 627
 628         PR 30957
 629         * loop-unroll.c (insert_var_expansion_initialization):
 630         Initialize the expansions with -zero instead of +zero.
 631
 632 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 633
 634         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 635         into pic and non-pic versions. Mark r19 as used for
 636         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 637         for tgd_load, tld_load and tie_load .
 638         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 639         version of tgd_load, tld_load and tie_load depending on the
 640         value of flag_pic.
 641
 642 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
 643             Jakub Jelinek  <jakub@redhat.com>
 644
 645         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
 646         (__do_global_dtors_aux): Use more paranoid loop to run
 647         destructors if HIDDEN_DTOR_LIST_END.
 648         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
 649
 650 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
 651
 652         * varasm.c (align_variable): Don't increase alignment for
 653         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
 654         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
 655
 656 2007-05-04  Josh Conner  <jconner@apple.com>
 657
 658         * basic-block.h (cdi_direction): Assign values to all enumeration
 659         constants.
 660         (dom_computed): Remove.
 661         (dom_info_state): New.
 662         (set_dom_info_availability): New.
 663         * tree-ssa-loop-im.c (determine_invariantness): Initialize
 664         walk_data.dom_direction.
 665         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
 666         instead of dom_computed[].
 667         (split_edge): Likewise.
 668         (create_basic_block): Likewise.
 669         (merge_blocks): Likewise.
 670         * ifcvt.c (find_if_header): Likewise.
 671         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
 672         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 673         * tree-ssa.c (verify_ssa): Likewise.
 674         * tree-cfg.c (tree_verify_flow_info): Likewise.
 675         (remove_edge_and_dominated_blocks): Likewise.
 676         * dominance.c (dom_computed): Make static.
 677         (calc_dfs_tree_nonrec): Change third param to a bool.
 678         (calc_dfs_tree): Change second param to a bool.
 679         (calc_idioms): Change second param to a bool.  Use
 680         dom_convert_dir_to_idx.
 681         (init_dom_info): Validate dir before using.
 682         (dom_convert_dir_to_idx): New.
 683         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
 684         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
 685         (free_dominance_info): Use dom_convert_dir_to_idx.
 686         (get_immediate_dominator): Likewise.
 687         (set_immediate_dominator): Likewise.
 688         (get_dominated_by): Likewise.
 689         (redirect_immediate_dominators): Likewise.
 690         (nearest_common_denominator): Likewise.
 691         (dominated_by_p): Likewise.
 692         (bb_dom_dfs_in): Likewise.
 693         (bb_dom_dfs_out): Likewise.
 694         (recount_dominator): Likewise.
 695         (iterate_fix_dominators): Likewise.
 696         (add_to_dominance_info): Likewise.
 697         (delete_from_dominance_info): Likewise.
 698         (first_dom_son): Likewise.
 699         (next_dom_son): Likewise.
 700         (dom_info_available_p): Likewise.
 701         (dom_info_state): New.
 702         (set_dom_info_availability): New.
 703
 704 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 705
 706         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
 707         Expander removed.
 708         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
 709
 710 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
 711
 712         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
 713         (subdi3, subdi_carry): Delete.
 714
 715 2007-05-04  Jan Hubicka  <jh@suse.cz>
 716             Richard Guenther  <rguenther@suse.de>
 717
 718         * opts.c (decode_options): Do not fiddle with inlining
 719         parameters in case of optimizing for size.
 720         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
 721         for size do nothing.
 722         (cgraph_decide_inlining_of_small_function): When optimizing for
 723         size never inline functions increasing caller size.
 724         (cgraph_early_inlining): Inline for size when optimizing for size.
 725
 726 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 727
 728         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
 729         logical operations piecewise.
 730         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
 731         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
 732         subdi_sesidi_di): Delete.
 733         (add_with_carry): Produce carry in CC instead of a DREG to shorten
 734         the generated sequence.  Allow three-reg add in constraints.  Rewrite
 735         the rtl expression for carry to avoid zero_extend of a constant.
 736         (sub_with_carry): New pattern.
 737         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
 738         different sequence not involving jumps.
 739         (notbi): Now a named pattern.
 740
 741 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
 742
 743         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
 744         Add the note about a significant loss of accuracy of some
 745         mathematical routines when these options are used.
 746
 747 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 748
 749         * haifa-sched.c (rtx_vec_t): New typedef.
 750         (contributes_to_priority_p): Extract piece of priority () into new
 751         static function.
 752         (priority): Use the function.  Add assertion.
 753         (rank_for_schedule, set_priorities): Add assertion to check that
 754         insn's priority is initialized.
 755         (clear_priorities, calc_priorities): Change signature.  Make it update
 756         all relevant insns.  Update all callers ('add_to_speculative_block ()'
 757         and 'create_block_check_twin ()').
 758         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
 759         Add new field 'priority_status'.
 760         (INSN_PRIORITY_STATUS): New macro.
 761         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
 762
 763 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 764
 765         * sched-ebb.c (debug_ebb_dependencies): New static function.
 766         (init_ready_list): Use it.
 767
 768         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
 769         with changed signature and 'debug_rgn_dependencies ()'.
 770         (debug_rgn_dependencies): New static function.
 771         (init_ready_list): Use it.
 772
 773         * sched-int.h (debug_dependencies): Declare.
 774
 775 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 776
 777         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
 778
 779 2007-05-04  Dirk Mueller  <dmueller@suse.de>
 780
 781         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
 782
 783 2007-05-03  Jan Hubicka  <jh@suse.cz>
 784
 785         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
 786         for pointer type in more cases than before.
 787
 788         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
 789
 790         * tree-object-size.c (plus_expr_object_size): When operand size is
 791         unknown, return unknown.
 792
 793 2007-05-03  Dirk Mueller  <dmueller@suse.de>
 794
 795         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
 796
 797         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
 798         options.
 799
 800         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
 801
 802 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
 803
 804         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
 805
 806 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
 807
 808         * config/soft-fp/double.h, config/soft-fp/extended.h,
 809         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 810         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 811         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 812         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 813         glibc CVS.
 814
 815 2007-05-03  Ian Lance Taylor  <iant@google.com>
 816
 817         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 818         MASK_PPC_GFXOPT for 8540 or 8548.
 819
 820 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 821
 822         * tree-vect-transform.c (vect_update_inits_of_drs): Use
 823         vect_print_dump_info() to output debug information.
 824
 825 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 826
 827         PR target/31768
 828         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
 829         operands of size 2 when operand is not MEM_P.
 830
 831 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 832
 833         PR tree-optimization/30565
 834         * lambda-code.c (perfect_nestify): Fix updating of dominators.
 835
 836 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 837
 838         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
 839         (umulsi3_highpart): Use them.
 840         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
 841         for final accumulator to D regisster tranfser.
 842
 843 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
 844
 845         PR tree-optimization/31699
 846         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
 847         code.
 848         (vect_enhance_data_refs_alignment): Compute peel amount using
 849         TYPE_VECTOR_SUBPARTS instead of vf.
 850         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
 851
 852 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
 853
 854         PR bootstrap/31776
 855         * system.h: Remove inclusion of double-int.h
 856         * tree.h: Include double-int.h
 857         * gengtype.c: Likewise
 858         * cfgloop.h: Likewise
 859         * Makefile.in: Adjust dependencies on double-int.h
 860
 861 2007-05-02  Eric Christopher  <echristo@apple.com>
 862
 863         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
 864         -shared to -Zdynamiclib.
 865
 866 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
 867
 868         PR c++/31663
 869         * c-common.c (strip_pointer_or_array_types): New function.
 870         * c-common.h (strip_pointer_or_array_types): New function declaration.
 871
 872 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 873
 874         PR tree-optimization/31771
 875         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
 876
 877 2007-05-02  Paul Brook  <paul@codesourcery.com>
 878
 879         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
 880
 881 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 882
 883         PR middle-end/29715
 884         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
 885         transformation.
 886
 887 2007-05-02  Nick Clifton  <nickc@redhat.com>
 888
 889         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
 890
 891 2007-05-02  Richard Guenther  <rguenther@suse.de>
 892
 893         PR tree-optimization/31146
 894         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 895         argument, single_use_p.  If we have a single use that is
 896         a conversion to the definition rhs type, propagate that rhs.
 897         (forward_propagate_addr_expr): Pass single_use_p argument
 898         to forward_propagate_addr_expr_1.
 899
 900 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 901
 902         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
 903         variable.
 904
 905 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 906
 907         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
 908         'AMD Family 10 core'.
 909
 910 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 911
 912         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
 913         and athlon64-sse3 as improved versions of k8, opteron and athlon64
 914         with SSE3 instruction set support.
 915         * doc/invoke.texi: Likewise.
 916
 917 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 918
 919         * config/i386/i386.c (override_options): Tuning 32-byte loop
 920         alignment for amdfam10 architecture. Increasing the max loop
 921         alignment to 24 bytes.
 922
 923 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
 924
 925         * config/m68k/constraints.md: New.
 926         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
 927         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
 928         EXTRA_CONSTRAINT): Remove.
 929         * config/m68k/m68k.md: Include constraints.md.
 930         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 931
 932 2007-05-01  Ian Lance Taylor  <iant@google.com>
 933
 934         PR tree-optimization/31739
 935         * tree-vrp.c (vrp_val_is_max): New static function.
 936         (vrp_val_is_min): New static function.
 937         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 938         copying the node.
 939         (set_value_range): Use vrp_val_is_{max,min}.
 940         (extract_range_from_assert): Likewise.
 941         (extract_range_from_binary_expr): Likewise.
 942         (extract_range_from_unary_expr): Likewise.
 943         (dump_value_range, vrp_meet): Likewise.
 944         (vrp_visit_phi_node): Likewise.
 945         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 946
 947 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 948
 949         * config/i386/gmon-sol2.c (size_t): New type.
 950         (intptr_t): Likewise.
 951         (s_textsize): Declare as size_t.
 952         (sbrk): Declare.
 953         (monstartup): Use size_t for sizes.
 954         (_mcount): Save and restore registers.
 955         (internal_mcount): Pass 0 as the first argument to monstartup
 956         in 64-bit mode.
 957         (moncontrol): Convert pointer to appropriately sized integer
 958         before passing to profil.
 959
 960 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 961
 962         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 963         __NO_FPRS__, not just if _SOFT_DOUBLE.
 964         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 965         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 966         also for E500 double.
 967         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 968         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 969         && !TARGET_FPRS).
 970
 971 2007-05-01  Richard Guenther  <rguenther@suse.de>
 972
 973         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 974         is NULL.
 975
 976 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 977
 978         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 979
 980 2007-05-01  Jan Hubicka  <jh@suse.cz>
 981
 982         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 983         invariant.
 984
 985 2007-05-01  Jan Hubicka  <jh@suse.cz>
 986
 987         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 988         (maybe_fold_offset_to_reference): Declare.
 989         * fold-const.c (fold_unary): Do not fold
 990         (type *)&A into &A->field_of_type_and_offset_0
 991         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 992         size is unknown, give up.
 993         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 994         offsets.
 995         (maybe_fold_offset_to_reference): New.
 996         (maybe_fold_stmt_indirect): Use it.
 997         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 998         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 999         field references.
1000         (gimplify_expr): Likewise for plus_expr.
1001
1002 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
1003
1004         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
1005         bsi_after_labels.  Always insert statements before bsi.
1006         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1007         * predict.c (apply_return_prediction): Check for empty blocks.
1008         * cfgexpand.c (lab_rtx_for_bb): New variable.
1009         (label_rtx_for_bb): Do not create new tree labels.
1010         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
1011         (tree_expand_cfg): Initialize lab_rtx_for_bb.
1012         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
1013         creating edges.
1014         (label_for_bb): Add field used.
1015         (update_eh_label, main_block_label): Mark the label used.
1016         (cleanup_dead_labels): Remove unused labels.
1017
1018 2007-05-01  Richard Guenther  <rguenther@suse.de>
1019
1020         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
1021         if it is not about to be set.
1022         (get_value_range): Do not pre-allocate equiv bitmap.
1023         (update_value_range): No need to clear equiv field.
1024         (add_equivalence): Change prototype to get bitmap pointer.
1025         Allocate bitmap here if it is not already.
1026         (extract_range_from_assert): Do not allocate bitmap here.
1027         Update callers to add_equivalence.
1028         (extract_range_from_ssa_name): Likewise.
1029         (get_vr_for_comparison): New static helper.
1030         (compare_name_with_value): Handle NULL equiv bitmap by
1031         peeling the first iteration of the comparison loop.
1032         Use get_vr_for_comparison.
1033         (compare_names): Handle NULL equiv bitmaps by using fake
1034         ones.  Use get_vr_for_comparison.
1035
1036 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
1037
1038         * double-int.c (mpz_set_double_int): Moved from
1039         tree-ssa-loop-niter.c.
1040         (mpz_get_double_int): Likewise; also, add option to wrap
1041         out-of-range integers.
1042         * double-int.h: New prototypes for above.
1043         * tree.c (get_static_type_bounds): Moved from
1044         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
1045         TYPE_MAX_VALUE if they exist..
1046         * tree.h: New prototype for above.
1047         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
1048         get_type_bounds calls.
1049         (mpz_set_double_int): Move to double-int.c.
1050         (get_type_bounds): Move to tree.c, rename to
1051         get_static_type_bounds.
1052         (mpz_to_double_int): Move to double-int.c, rename to
1053         mpz_get_double_int.
1054
1055 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
1056
1057         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
1058         DIV0 exception can fall through to a normal return.
1059
1060 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
1061
1062         PR middle-end/22156
1063         Temporarily revert:
1064         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1065         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1066         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1067         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1068         initialize align to silence bogus warning.
1069         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1070         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1071         all_no_warning.
1072         (struct sra_walk_fns): Remove use_all parameter from use.
1073         (sra_hash_tree): Handle BIT_FIELD_REFs.
1074         (sra_elt_hash): Don't hash bitfld blocks.
1075         (sra_elt_eq): Skip them in parent compares as well.  Handle
1076         BIT_FIELD_REFs.
1077         (sra_walk_expr): Don't maintain or pass down use_all_p.
1078         (scan_use): Remove use_all parameter.
1079         (scalarize_use): Likewise.  Re-expand assignment to
1080         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1081         output, and re-scalarize after output.  Don't mark anything
1082         for no warning.
1083         (scalarize_ldst): Adjust.
1084         (scalarize_walk_gimple_modify_statement): Likewise.
1085         (build_element_name_1): Handle BIT_FIELD_REFs.
1086         (instantiate_element): Don't warn for any element whose parent
1087         is used as a whole.
1088         (instantiate_missing_elements_1): Return the sra_elt.
1089         (canon_type_for_field): New.
1090         (try_instantiate_multiple_fields): New.
1091         (instantiate_missing_elemnts): Use them.
1092         (mark_no_warning): Removed.
1093         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1094         (REPLDUP, sra_build_elt_assignment): New.
1095         (generate_copy_inout): Use them.
1096         (generate_element_copy): Likewise.  Handle bitfld differences.
1097         (generate_element_zero): Don't recurse for blocks.  Use
1098         sra_build_elt_assignment.
1099         (generate_one_element_int): Take elt instead of var.  Use
1100         sra_build_elt_assignment.
1101         (generate_element_init_1): Adjust.
1102         (scalarize_use, scalarize_copy): Use REPLDUP.
1103         (scalarize_ldst): Move assert before dereference.
1104         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1105
1106 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1107
1108         PR C++/31721
1109         * tree.c (reconstruct_complex_type): Reconstruct a reference
1110         correctly.
1111         Also use the same mode for the pointer as the old pointer type.
1112
1113 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1114
1115         * doc/trouble.texi (Interoperation): Remove note about Ultrix
1116         Fortran compiler.
1117
1118 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
1119
1120         PR rtl-optimization/31676
1121         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
1122         (df_refs_record): Call it.
1123
1124 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1125
1126         * rtl.def (SS_ABS): New code.
1127         * config/bfin/bfin.c (print_operand): New modifier 'v'.
1128         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
1129         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
1130         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
1131         (bfin_init_builtins): Define them.
1132         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
1133         (bfin_expand_builtin): ... and handle the others here.
1134         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
1135         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
1136         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
1137         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
1138         operand is only HImode.
1139
1140 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
1141
1142         * regclass.c (scan_one_insn): Remove splitting of
1143         two address insns.
1144
1145 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
1146             Nigel Stephens  <nigel@mips.com>
1147
1148         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
1149
1150 2007-04-28  Jan Hubicka  <jh@suse.cz>
1151
1152         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
1153         insn_locators_alloc instead of insn_locators_initialize;
1154         call reset_block_changes.
1155         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1156         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
1157         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
1158         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1159         * config/score/score.c (th_output_mi_thunk): Likewise.
1160         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1161         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
1162         tolerate uninitialized locator info.
1163
1164         Re-apply:
1165         * function.c (init_function_start): Don't init line number info.
1166         (expand_function_end): Update.
1167         (reset_block_changes, record_block_change, finalize_block_changes,
1168         check_block_change, free_block_changes): Kill.
1169         * function.h (reset_block_changes, record_block_change,
1170         finalize_block_changes, check_block_change, free_block_changes): Remove
1171         prototypes.
1172         (struct function): Remove ib_boundaries_block.
1173         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1174         Use curr_insn_locator to initialize locator.
1175         (emit_line_note): Remove.
1176         * cfgexpand.c (expand_gimple_cond_expr): Update.
1177         (construct_exit_block): Likewise.
1178         (tree_expand_cfg): Initialize/finalize locators.
1179         * expr.c (expand_expr_real): Update.
1180         * cfglayout.c (line_locators_locs, line_locators_lines,
1181         file_locators_locs, file_locators_files): Remove.
1182         (set_block_levels): Move to cfgexpand.c.
1183         (insn_locators_initialize): Remove.
1184         (pass_insn_locators_initialize): Remove.
1185         (locations_locators_locs, locations_locators_vals): New static vars.
1186         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1187         Likewise.
1188         (insn_locators_alloc, insn_locators_finalize,
1189         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1190         New functions.
1191         (locator_location): New.
1192         (locator_line, locator_file): Rewrite.
1193         * rtl.h (emit_line_note): Kill.
1194         (insn_locators_alloc, insn_locators_finalize,
1195         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1196         Declare.
1197         * tree-inline.c (initialize_cfun): Do not initialize
1198         ib_boundaries_block.
1199         * passes.c (pass_insn_locators_initialize): Remove.
1200
1201 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
1202
1203         * tree-cfg.c (move_block_to_fn): Release bb from dominance
1204         info.  Update last_basic_block correctly.
1205
1206 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1207
1208         PR target/31701
1209         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
1210         register itself to hold the offset constant.  Tell flow the use
1211         of r4 and r5 when they are used.
1212
1213 2007-04-27  Richard Guenther  <rguenther@suse.de>
1214
1215         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
1216         if we simplified anything.
1217         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
1218         warnings until we did a simplification and the stmt was not
1219         marked as TREE_NO_WARNING.
1220
1221 2007-04-27  Mike Stump  <mrs@apple.com>
1222
1223         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
1224
1225 2007-04-27  Ian Lance Taylor  <iant@google.com>
1226
1227         PR middle-end/31710
1228         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
1229         TYPE_MAX_VALUE exist, convert them to the new type.
1230
1231 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1232
1233         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
1234         if it claims to be available.
1235         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1236         edge is redirected.
1237         (perform_tree_ssa_dce): Always free postdominators.
1238
1239 2007-04-27  Richard Henderson  <rth@redhat.com>
1240
1241         * config/alpha/predicates.md (aligned_memory_operand): Mark
1242         as define_special_predicate.
1243         (unaligned_memory_operand, normal_memory_operand): Likewise.
1244         (reg_or_unaligned_mem_operand): Remove.
1245         (any_memory_operand): Match the documentation and check for
1246         non-renumbered pseudos during reload.
1247         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1248         alpha_secondary_reload_class, update to new interface, make static.
1249         Handle CQImode like HImode.  Remove FP subreg check.
1250         (alpha_expand_mov): Use replace_equiv_address.
1251         (alpha_expand_mov_nobwx): Use any_memory_operand.
1252         (TARGET_SECONDARY_RELOAD): New.
1253         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1254         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1255         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1256         * config/alpha/alpha.md: ... here.
1257         (RELOAD12, reloadmode): New.
1258         (movcqi): New.
1259         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1260         Don't handle the aligned case here.
1261         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1262         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1263         reload_inhi_help.  Don't expect a scratch register.
1264         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1265         reload_outhi_help.
1266         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1267
1268 2007-04-27  Richard Guenther  <rguenther@suse.de>
1269
1270         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1271
1272 2007-04-27  Richard Guenther  <rguenther@suse.de>
1273
1274         PR tree-optimization/30965
1275         PR tree-optimization/30978
1276         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1277         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1278         (find_equivalent_equality_comparison): Likewise.
1279         (simplify_cond): Likewise.
1280         (get_prop_source_stmt): New helper.
1281         (get_prop_dest_stmt): Likewise.
1282         (can_propagate_from): Likewise.
1283         (remove_prop_source_from_use): Likewise.
1284         (combine_cond_expr_cond): Likewise.
1285         (forward_propagate_comparison): New function.
1286         (forward_propagate_into_cond): Rewrite to use fold for
1287         tree combining.
1288         (tree_ssa_forward_propagate_single_use_vars): Call
1289         forward_propagate_comparison to propagate comparisons.
1290
1291 2007-04-27  Richard Guenther  <rguenther@suse.de>
1292
1293         PR tree-optimization/31715
1294         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1295         sure to do computation on the offset in an appropriate
1296         signed type.
1297
1298 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
1299
1300         * reload.h (elimination_target_reg_p): Declare.
1301         * reload.c (find_reloads): Don't apply the reg_rtx move
1302         optimization if the SET_DEST satisfies elimination_target_reg_p.
1303         * reload1.c (elimination_target_reg_p): New function.
1304         (gen_reload): In the move/add2 fallback, make sure that op0
1305         does not overlap the destination register.
1306
1307 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1308
1309         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1310         transform only GIMPLE_MODIFY_STMTs.
1311         * tree-complex.c (expand_complex_operations_1): Ditto.
1312         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1313         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1314         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1315         branches.
1316         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1317         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1318         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1319         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1320         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1321         slpeel_add_loop_guard): Ditto.
1322         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1323         * lambda-code.c (perfect_nestify): Ditto.
1324         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1325         before the first statement.
1326         * tree-optimize.c (execute_free_datastructures): Fix comments.
1327         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1328         * tree-flow.h (disband_implicit_edges): Declaration removed.
1329         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1330         branches.
1331         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1332         without gotos.
1333         (disband_implicit_edges, has_label_p): Removed.
1334         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1335         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1336         branches.
1337         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1338         side effects.
1339         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1340         also for COND_EXPRs.
1341         * cfgexpand.c (label_rtx_for_bb): New function.
1342         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1343         Use label_rtx_for_bb to find the labels.
1344         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1345         last block.  Detect fallthru edges.
1346
1347 2007-04-26  Ian Lance Taylor  <iant@google.com>
1348
1349         PR target/28675
1350         * reload.c (find_reloads_subreg_address): If the address was valid
1351         in the original mode but not in the new mode, reload the whole
1352         address.
1353
1354 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1355
1356         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1357         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1358         (cleanup_control_expr_graph): Do not invalidate dominance info.
1359         Record altered blocks.
1360         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1361         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1362         cleanup_tree_cfg_bb): New functions.
1363         (remove_forwarder_block): Do not maintain the worklist of blocks.
1364         Record altered blocks.
1365         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1366         not over whole cfg.
1367         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1368         delete_unreachable_blocks if dominators are not available.
1369         * tree-inline.c (optimize_inline_calls): Free dominance information
1370         earlier.
1371         * tree-flow.h (remove_edge_and_dominated_blocks,
1372         cfgcleanup_altered_bbs): Altered.
1373         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1374         blocks.
1375         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1376         functions.
1377         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1378         do not invalidate dominators.
1379
1380 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1381
1382         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1383         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1384         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1385         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1386
1387 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1388
1389         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1390
1391 2007-04-26  Richard Guenther  <rguenther@suse.de>
1392
1393         PR tree-optimization/31703
1394         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1395         the right type for the target of the bittest.
1396
1397 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1398
1399         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1400         ix86_sol10_return_in_memory.
1401
1402 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1403
1404         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1405         variables.
1406
1407 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1408
1409         PR c++/31598
1410         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1411
1412         PR tree-optimization/30558
1413         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1414         clear this_state.prev_try.
1415
1416 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1417             Mark Mitchell  <mark@codesourcery.com>
1418
1419         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1420         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1421         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1422
1423 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1424
1425         PR driver/31107
1426         * doc/invoke.texi (%:print-asm-header): Document.
1427         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1428         and -ftarget-help.
1429         (static_spec_functions): Add print-asm-header.
1430         (main): Print a banner before the --target-help linker options.
1431         (print_asm_header_spec_function): New function.
1432
1433 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1434
1435         PR target/31403
1436         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1437         (movsf_ie): Likewise.
1438
1439 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1440
1441         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1442
1443 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1444
1445         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1446         for divide-by-zero.
1447         (__umodsi3, __modsi3): Likewise.
1448
1449 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1450
1451         * c-typeck.c (build_compound_expr): Annotate warning()
1452         call with OPT_Wunused_value.
1453         * tree-ssa.c (warn_uninit): Annotate warning with
1454         OPT_Wunintialized.
1455         * c-common.c (handle_sentinel_attribute): Annotate warning
1456         call with OPT_Wattributes.
1457
1458 2007-04-25  Thiemo Seufer  <ths@mips.com>
1459
1460         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1461         (mips16): Fix typo.
1462         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1463         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1464         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1465         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1466         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1467         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1468
1469 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1470
1471         PR target/31680
1472         * config/i386/winnt.c (i386_pe_file_end): Strip only
1473         USER_LABEL_PREFIX when writing export name.
1474
1475 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1476
1477         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1478         sh/elf.h, vx-common.h and vxworks.h.
1479         * config/sh/sh.h: Include config/vxworks-dummy.h.
1480         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1481         (OVERRIDE_OPTIONS): Use it.
1482         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1483         (vxworks_picreg): New pattern.
1484         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1485         VXWORKS_OS_CPP_BUILTINS.
1486         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1487         to their VXWORKS_* equivalents.
1488         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1489         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1490         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1491         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1492         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1493         -mrtp/-fPIC multilibs.
1494         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1495         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1496         (MULTILIB_OSDIRNAMES): Delete.
1497
1498 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1499
1500         PR target/18989
1501         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1502
1503 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1504
1505         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1506         rounding mode to be specified by the caller.
1507         (real_to_mpfr) Likewise.
1508         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1509         include new arguments.
1510         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1511
1512 2007-04-24  Ian Lance Taylor  <iant@google.com>
1513
1514         PR tree-optimization/31605
1515         * tree-vrp.c (set_value_range): Check that min and max are not
1516         both overflow infinities.
1517         (set_value_range_to_value): New static function.
1518         (extract_range_from_binary_expr): Call set_value_range_to_value.
1519         (extract_range_from_cond_expr): Likewise.
1520         (extract_range_from_expr): Likewise.
1521         (extract_range_from_unary_expr): Likewise.  Don't create a range
1522         which overflows on both sides.
1523         (vrp_meet): Check for a useless range.
1524         (vrp_visit_phi_node): If we see a constant which looks like an
1525         overflow infinity, turn off the TREE_OVERFLOW flag.
1526
1527 2007-04-24  Ian Lance Taylor  <iant@google.com>
1528
1529         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1530
1531 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1532
1533         PR diagnostic/25923
1534         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1535         diagnostic message is being built.
1536         * tree-pretty-print.c (dump_generic_node): Only write the
1537         formatted text into BUFFER's stream if we are not building a
1538         diagnostic message.
1539         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1540         dump_generic_node.
1541         * Makefile.in (toplev.o): Depend on tree-pass.h.
1542
1543 2007-04-24  Ian Lance Taylor  <iant@google.com>
1544
1545         PR tree-optimization/31602
1546         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1547         conditionals in the copied loop header.
1548         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1549         warnings if TREE_NO_WARNING is set.
1550         * doc/invoke.texi (Warning Options): Clarify that
1551         -Wstrict-overflow does not warn about loops.
1552
1553 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1554
1555         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1556         expand on the comment about _Decimal128 arguments and check the
1557         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1558         that _Decimal128 argument uses even/odd register pair.
1559         (function_arg): Ditto.
1560
1561 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1562
1563         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1564         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1565
1566 2007-04-24  Richard Guenther  <rguenther@suse.de>
1567             Olga Golovanevsky  <olga@il.ibm.com>
1568
1569         * fold-const.c (multiple_of_p): Check for bottom
1570         to be zero.
1571
1572 2007-04-24  Richard Henderson  <rth@redhat.com>
1573
1574         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1575         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1576         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1577         looking for non-zero bits shifted out.  Avoid a recursive call
1578         when constructing the scalar.
1579         (__floatundisf): Likewise.
1580
1581 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1582
1583         * dwarf2out.c (field_byte_offset): Move the existing logic
1584         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1585         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1586
1587 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1588
1589         PR target/31641
1590         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1591         argument of 0 for memset.
1592         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1593         unsigned shift instead of the signed variant.
1594
1595 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1596
1597         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1598         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1599         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1600         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1601         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1602         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1603         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1604         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1605         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1606         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1607         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1608         "mul<mode>3", "div<mode>3"): Insn definitions added.
1609         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1610         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1611         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1612         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1613         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1614         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1615         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1616         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1617         TARGET_FLOAT_FORMAT): Macro definitions removed.
1618         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1619         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1620         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1621         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1622         (s390_gen_rtx_const_DI): Function removed.
1623         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1624
1625 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1626
1627         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1628         over an external ffs function.
1629
1630 2007-04-24  Chao-ying Fu  <fu@mips.com>
1631             Richard Sandiford  <richard@nildram.co.uk>
1632
1633         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1634         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1635         (smadd_widen_optab, umadd_widen_optab): Define.
1636         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1637         umadd_widen_optab.
1638         * genopinit.c (optabs): Fill in smadd_widen_optab and
1639         umadd_widen_optab.
1640         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1641         and umadd_widen_optab to implement multiply-add sequences.
1642         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1643         (<u>maddsidi4): ...this.  Extend condition to include
1644         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1645         of operand 0 to "ka" and use the three-operand form of madd<u>
1646         for TARGET_DSPR2.
1647         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1648         to define_expands.
1649         * config/mips/constraints.md (ka): New register constraint.
1650
1651 2007-04-24  Jan Hubicka  <j@suse.cz>
1652
1653         Revert:
1654
1655         2007-04-23  Jan Hubicka  <jh@suse.cz>
1656         * function.c (init_function_start): Don't init line number info.
1657         (expand_function_end): Update.
1658         (reset_block_changes, record_block_change, finalize_block_changes,
1659         check_block_change, free_block_changes): Kill.
1660         * function.h (reset_block_changes, record_block_change,
1661         finalize_block_changes, check_block_change, free_block_changes): Remove
1662         prototypes.
1663         (struct function): Remove ib_boundaries_block.
1664         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1665         Use curr_insn_locator to initialize locator.
1666         (emit_line_note): Remove.
1667         * cfgexpand.c (expand_gimple_cond_expr): Update.
1668         (construct_exit_block): Likewise.
1669         (tree_expand_cfg): Initialize/finalize locators.
1670         * expr.c (expand_expr_real): Update.
1671         * cfglayout.c (line_locators_locs, line_locators_lines,
1672         file_locators_locs, file_locators_files): Remove.
1673         (set_block_levels): Move to cfgexpand.c.
1674         (insn_locators_initialize): Remove.
1675         (pass_insn_locators_initialize): Remove.
1676         (locations_locators_locs, locations_locators_vals): New static vars.
1677         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1678         Likewise.
1679         (insn_locators_alloc, insn_locators_finalize,
1680         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1681         New functions.
1682         (locator_location): New.
1683         (locator_line, locator_file): Rewrite.
1684         * rtl.h (emit_line_note): Kill.
1685         (insn_locators_alloc, insn_locators_finalize,
1686         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1687         Declare.
1688         * tree-inline.c (initialize_cfun): Do not initialize
1689         ib_boundaries_block.
1690         * passes.c (pass_insn_locators_initialize): Remove.
1691
1692 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1693
1694         * doc/invoke.texi: Removed leading '-' from option index entries.
1695
1696 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1697
1698         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1699         Use phi_nodes_ptr.
1700         (create_phi_node): Use set_phi_nodes.
1701         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1702         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1703         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1704         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1705         (bsi_start, bsi_last): Use bb_stmt_list.
1706         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1707         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1708         Traverse the statements using tsi iterator.
1709         * basic-block.h (struct basic_block_def): Fields stmt_list
1710         and phi_nodes moved to ...
1711         (struct tree_bb_info): ... new structure.
1712         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1713         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1714         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1715         (tree_verify_flow_info): Verify that il.tree is not set for
1716         entry and exit block.
1717         (tree_split_block): Use set_bb_stmt_list.
1718
1719 2007-04-23  Mike Stump  <mrs@apple.com>
1720
1721         * config/i386/i386.c (ix86_tune_features
1722         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1723         nocona and core2.
1724
1725 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1726
1727         * config/i386/i386.md (prefix_extra): New attribute.
1728         (length): Add prefix_extra.
1729
1730         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1731         (sse2_movntv2di): Likewise.
1732         (sse2_cvtps2dq): Likewise.
1733         (sse2_cvtpd2pi): Likewise.
1734         (sse2_cvttpd2pi): Likewise.
1735         (*sse2_cvtpd2ps): Likewise.
1736         (*add<mode>3): Likewise.
1737         (sse2_ssadd<mode>3): Likewise.
1738         (sse2_usadd<mode>3): Likewise.
1739         (*sub<mode>3): Likewise.
1740         (sse2_sssub<mode>3): Likewise.
1741         (sse2_ussub<mode>3): Likewise.
1742         (*mulv8hi3): Likewise.
1743         (*smulv8hi3_highpart): Likewise.
1744         (*umulv8hi3_highpart): Likewise.
1745         (sse2_umulv2siv2di3): Likewise.
1746         (sse2_pmaddwd): Likewise.
1747         (ashr<mode>3): Likewise.
1748         (lshr<mode>3): Likewise.
1749         (ashl<mode>3): Likewise.
1750         (sse2_ashlti3): Likewise.
1751         (sse2_lshrti3): Likewise.
1752         (*umaxv16qi3): Likewise.
1753         (*smaxv8hi3): Likewise.
1754         (*uminv16qi3): Likewise.
1755         (*sminv8hi3): Likewise.
1756         (sse2_eq<mode>3): Likewise.
1757         (sse2_gt<mode>3): Likewise.
1758         (*and<mode>3): Likewise.
1759         (sse2_nand<mode>3): Likewise.
1760         (*ior<mode>3): Likewise.
1761         (*xor<mode>3): Likewise.
1762         (sse2_packsswb): Likewise.
1763         (sse2_packssdw): Likewise.
1764         (sse2_packuswb): Likewise.
1765         (sse2_punpckhbw): Likewise.
1766         (sse2_punpcklbw): Likewise.
1767         (sse2_punpckhwd): Likewise.
1768         (sse2_punpcklwd): Likewise.
1769         (sse2_punpckhdq): Likewise.
1770         (sse2_punpckldq): Likewise.
1771         (sse2_punpckhqdq): Likewise.
1772         (sse2_punpcklqdq): Likewise.
1773         (*sse2_pinsrw): Likewise.
1774         (*sse2_pextrw): Likewise.
1775         (sse2_pshufd_1): Likewise.
1776         (sse2_uavgv16qi3): Likewise.
1777         (sse2_uavgv8hi3): Likewise.
1778         (sse2_psadbw): Likewise.
1779         (sse2_pmovmskb): Likewise.
1780         (*sse2_maskmovdqu): Likewise.
1781         (*sse2_maskmovdqu_rex64): Likewise.
1782         (sse4a_extrqi): Likewise.
1783         (sse4a_extrq): Likewise.
1784         (sse3_lddqu): Set prefix_rep.
1785         (sse3_addsubv4sf3): Likewise.
1786         (sse3_haddv4sf3): Likewise.
1787         (sse3_hsubv4sf3): Likewise.
1788         (sse_cvtss2si): Likewise.
1789         (sse_cvtss2si_2): Likewise.
1790         (sse_cvtss2siq): Likewise.
1791         (sse_cvtss2siq_2): Likewise.
1792         (sse_cvttss2si): Likewise.
1793         (sse_cvttss2siq): Likewise.
1794         (sse2_cvttps2dq): Likewise.
1795         (sse3_movshdup): Likewise.
1796         (sse3_movsldup): Likewise.
1797         (sse2_cvtsd2si): Likewise.
1798         (sse2_cvtsd2si_2): Likewise.
1799         (sse2_cvtsd2siq): Likewise.
1800         (sse2_cvtsd2siq_2): Likewise.
1801         (sse2_cvttsd2si): Likewise.
1802         (sse2_cvttsd2siq): Likewise.
1803         (*sse2_cvtpd2dq): Likewise.
1804         (*sse2_cvttpd2dq): Likewise.
1805         (sse2_pshuflw_1): Likewise.
1806         (sse2_pshufhw_1): Likewise.
1807         (sse4a_insertqi): Likewise.
1808         (sse4a_insertq): Likewise.
1809         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1810         (ssse3_phadddv4si3): Likewise.
1811         (ssse3_phaddswv8hi3): Likewise.
1812         (ssse3_phsubwv8hi3): Likewise.
1813         (ssse3_phsubdv4si3): Likewise.
1814         (ssse3_phsubswv8hi3): Likewise.
1815         (ssse3_pmaddubswv8hi3): Likewise.
1816         (ssse3_pmulhrswv8hi3): Likewise.
1817         (ssse3_pshufbv16qi3): Likewise.
1818         (ssse3_psign<mode>3): Likewise.
1819         (ssse3_palignrti): Likewise.
1820         (abs<mode>2): Likewise.
1821         (ssse3_phaddwv4hi3): Set prefix_extra.
1822         (ssse3_phadddv2si3): Likewise.
1823         (ssse3_phaddswv4hi3): Likewise.
1824         (ssse3_phsubwv4hi3): Likewise.
1825         (ssse3_phsubdv2si3): Likewise.
1826         (ssse3_phsubswv4hi3): Likewise.
1827         (ssse3_pmaddubswv4hi3): Likewise.
1828         (ssse3_pmulhrswv4hi3): Likewise.
1829         (ssse3_pshufbv8qi3): Likewise.
1830         (ssse3_psign<mode>3): Likewise.
1831         (ssse3_palignrdi): Likewise.
1832         (abs<mode>2): Likewise.
1833         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1834         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1835         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1836
1837 2007-04-23  Nick Clifton  <nickc@redhat.com>
1838
1839         * params.def: Fix formatting of emacs local variables.
1840
1841 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1842
1843         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1844         move if inter-unit move isn't allowed.
1845         Don't split moving the first element of V2DI to DI to inter-unit
1846         move if inter-unit move isn't allowed.
1847
1848 2007-04-23  Richard Guenther  <rguenther@suse.de>
1849
1850         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1851         and CDI_POST_DOMINATORS separately.
1852
1853 2007-04-23  Nick Clifton  <nickc@redhat.com>
1854
1855         * c.opt (Wformat-contains-nul): Add warning attribute.
1856
1857 2007-04-23  Jan Hubicka  <jh@suse.cz>
1858
1859         * function.c (init_function_start): Don't init line number info.
1860         (expand_function_end): Update.
1861         (reset_block_changes, record_block_change, finalize_block_changes,
1862         check_block_change, free_block_changes): Kill.
1863         * function.h (reset_block_changes, record_block_change,
1864         finalize_block_changes, check_block_change, free_block_changes): Remove
1865         prototypes.
1866         (struct function): Remove ib_boundaries_block.
1867         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1868         Use curr_insn_locator to initialize locator.
1869         (emit_line_note): Remove.
1870         * cfgexpand.c (expand_gimple_cond_expr): Update.
1871         (construct_exit_block): Likewise.
1872         (tree_expand_cfg): Initialize/finalize locators.
1873         * expr.c (expand_expr_real): Update.
1874         * cfglayout.c (line_locators_locs, line_locators_lines,
1875         file_locators_locs, file_locators_files): Remove.
1876         (set_block_levels): Move to cfgexpand.c.
1877         (insn_locators_initialize): Remove.
1878         (pass_insn_locators_initialize): Remove.
1879         (locations_locators_locs, locations_locators_vals): New static vars.
1880         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1881         Likewise.
1882         (insn_locators_alloc, insn_locators_finalize,
1883         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1884         New functions.
1885         (locator_location): New.
1886         (locator_line, locator_file): Rewrite.
1887         * rtl.h (emit_line_note): Kill.
1888         (insn_locators_alloc, insn_locators_finalize,
1889         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1890         Declare.
1891         * tree-inline.c (initialize_cfun): Do not initialize
1892         ib_boundaries_block.
1893         * passes.c (pass_insn_locators_initialize): Remove.
1894
1895 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1896
1897         PR middle-end/31448
1898         * expr.c (reduce_to_bit_field_precision): Handle
1899         CONST_INT rtx's.
1900
1901 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1902
1903         PR tree-optimization/24659
1904         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1905         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1906         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1907         * genopinit.c (optabs): Rename vec_pack_mod_optab
1908         to vec_pack_trunc_optab.
1909         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1910         early for scalar floating point operands for NOP_EXPR.
1911         (vectorizable_type_promotion): Ditto.
1912         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1913         vec_pack_trunc_optab.
1914         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1915
1916         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1917         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1918         Rename from VEC_PACK_MOD_EXPR.
1919         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1920         * expr.c (expand_expr_real_1): Ditto.
1921         * tree-inline.c (estimate_num_insns_1): Ditto.
1922         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1923
1924         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1925         (vec_unpacks_lo_v4sf): Ditto.
1926         (vec_pack_trunc_v2df): Ditto.
1927         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1928         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1929         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1930
1931         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1932         vec_pack_mod_v8hi.
1933         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1934
1935         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1936         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1937         packing of floating point operands.
1938         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1939         represent unpacking of floating point operands.
1940         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1941         [vec_unpacks_hi]: Ditto.
1942         [vec_unpacks_lo]: Ditto.
1943
1944 2007-04-22  Jan Hubicka  <jh@suse.cz>
1945
1946         * final.c (rest_of_handle_final): Call
1947         targetm.asm_out.constructor/targetm.asm_out.destructor
1948         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1949         proper priority via decl_*_priority_insert.
1950         * c-common.c (c_expand_body): Likewise.
1951
1952 2007-04-22  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/29789
1955         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1956         (rewrite_reciprocal): New helper split out from
1957         determine_invariantness_stmt.
1958         (rewrite_bittest): Likewise.
1959         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1960         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1961         is not.
1962
1963 2007-04-22  Revital Eres  <eres@il.ibm.com>
1964
1965         * loop-unroll.c (var_to_expand): New field to support also
1966         insns of the form x = something + x.
1967         (analyze_insn_to_expand_var): Use it.
1968         (expand_var_during_unrolling): Likewise.
1969
1970 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1971
1972         * predict.c: Include pointer-set.h.
1973         (bb_predictions): New variable.
1974         (tree_predicted_by_p, tree_predict_edge,
1975         remove_predictions_associated_with_edge): Use bb_predictions map
1976         instead of bb->predictions.
1977         (clear_bb_predictions, assert_is_empty): New functions.
1978         (combine_predictions_for_bb): Use bb_predictions map.  Call
1979         clear_bb_predictions.
1980         (tree_estimate_probability): Create and free bb_predictions map.
1981         * Makefile.in (predict.o): Add pointer-set.h dependency.
1982         * basic-block.h (struct basic_block_def): Remove predictions
1983         field.
1984         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1985
1986 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1987
1988         PR target/31480
1989         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1990         is null.
1991
1992 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1993
1994         * timevar.c (timevar_print): Change reference of --disable-checking to
1995         --enable-checking=release.  Also warn if assert checking is disabled.
1996
1997 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1998
1999         PR C/30265
2000         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
2001         decl as addressable if the compound literal was marked as
2002         addressable.
2003         Mark the decl as a gimple register if it is a complex or
2004         vector decl and does not live in memory.
2005
2006 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2007
2008         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
2009         (GENERIC_NEXT): New function macro.
2010         (PHI_CHAIN): Use phi_node's new chain variable.
2011         (tree_phi_node): Change tree_common to tree_base
2012         and add the chain field.
2013         * tree-phinodes.c (make_phi_node): Don't set
2014         TREE_TYPE on the new node.
2015         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
2016         instead of checking GIMPLE_TUPLE_P in chain_next.
2017         * tree-vect-transform.c
2018         (get_initial_def_for_induction): Look at
2019         PHI_RESULT_TREE for the type of the phi node.
2020         (update_vuses_to_preheader): Use PHI_CHAIN
2021         instead of TREE_CHAIN on the phi node.
2022         * tree-ssa-structalias.c (compute_points_to_sets):
2023         Likewise.
2024         (ipa_pta_execute): Likewise.
2025
2026 2007-04-21  Richard Guenther  <rguenther@suse.de>
2027
2028         PR middle-end/31136
2029         * fold-const.c (fold_unary): Call fold_convert_const on the
2030         original tree.
2031
2032 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
2033
2034         * gcse.c (store_killed_in_insn): Handle PARALLELs.
2035         (store_killed_in_pat): New.
2036
2037 2007-04-20  Richard Henderson  <rth@redhat.com>
2038
2039         PR target/31628
2040         * config/i386/i386.c (type_has_variadic_args_p): Look for any
2041         TREE_LIST with a void_type_node value, not void_list_node exactly.
2042
2043 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
2044
2045         * doc/standards.texi: Re-arrange into language-specific
2046         subsections. Add a C++ section, documenting which standards we
2047         support.
2048
2049 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
2050
2051         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
2052         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
2053
2054 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
2055
2056         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
2057         ecrti.o and crtbegin.o.
2058         (LIB_DEFAULT_SPEC): Include -lc.
2059         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
2060
2061 2007-04-20  Richard Henderson  <rth@redhat.com>
2062
2063         PR target/28623
2064         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
2065         argument; update all callers.
2066         (get_unaligned_offset): New.
2067         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
2068         get_unaligned_address, just pass on the address directly.
2069         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
2070         the subreg in the helper patterns.
2071         (unaligned_extendqidi_le): Use get_unaligned_offset.
2072         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
2073         (unaligned_extendhidi_be): Likewise.
2074         (unaligned_extendhidi): Tidy.
2075         * config/alpha/alpha-protos.h: Update.
2076
2077 2007-04-20  Richard Henderson  <rth@redhat.com>
2078
2079         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
2080         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
2081         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
2082         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2083         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2084         (CPP_SPEC): Don't include %(cpp_subtarget).
2085         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
2086         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2087         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
2088
2089 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
2090
2091         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
2092         for __builtin_ia32_cmpordss.
2093
2094         PR tree-optimization/31632
2095         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2096         and arg1 for optimizations of comparison against min/max values.
2097         Fold arg0 to arg1's type for optimizations of comparison against
2098         min+1 and max-1 values.
2099
2100 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2101
2102         * reload.c (combine_reloads): When trying to use a dying register,
2103         check whether it's uninitialized and don't use if so.
2104
2105 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
2106
2107         * fold-const.c: Remove prototypes for native_encode_expr and
2108         native_interpret_expr.
2109         (native_encode_expr): Make non-static.
2110         (native_interpret_expr): Likewise.
2111         * tree.h: Add prototypes for the above.
2112
2113 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2114
2115         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
2116         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
2117         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
2118         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
2119         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
2120         Add length attributes.
2121
2122 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
2123
2124         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
2125         not that it is 1.
2126
2127         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
2128         __STDC_WANT_DEC_FP__.
2129
2130 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2131
2132         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
2133         for long double compatibility.
2134         * configure: Regenerate.
2135
2136 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2137
2138         PR rtl-optimization/29841
2139         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
2140         trap instructions.
2141         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
2142         that may cause control flow transfer from being moved.
2143
2144 2007-04-18  Jan Hubicka  <jh@suse.cz>
2145
2146         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
2147         types.
2148
2149 2007-04-18  Eric Christopher  <echristo@apple.com>
2150
2151         * config/rs6000/darwin.md (load_macho_picbase): Use link register
2152         only. Update operands.
2153         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
2154         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
2155         link register to pic register.
2156
2157 2007-04-18  Dirk Mueller  <dmueller@suse.de>
2158
2159         PR diagnostic/31227
2160         * tree-vrp.c (search_for_addr_array): New.
2161         (check_array_bounds): Suppress warning about
2162         address taken of array refs if its not de-referenced.
2163
2164 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2165
2166         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
2167         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
2168
2169         * tree-vectorizer.h (NITERS_KNOWN_P): New.
2170         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
2171         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
2172
2173         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
2174         dump print.
2175         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
2176         print message.
2177         (vect_analyze_scalar_cycles): Fix indentation.
2178         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
2179         (vect_mark_relevant): Include phis in relevance analysis.
2180
2181         * tree-vect-transform.c (vect_transform_loop): Add an assert.
2182
2183 2007-04-18  Anatoly Sokolov <aesok@post.ru>
2184
2185         * config/avr/avr.c (ptrreg_to_str): Replace error() with
2186         output_operand_lossage().
2187
2188 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2189
2190         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
2191         the unused code for reduction without adjust-in-epilog to simplify the
2192         function.
2193
2194 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
2195
2196         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
2197         (S390_TDC_NEGATIVE_ZERO): New constant.
2198         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
2199         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
2200         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
2201         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
2202         (S390_TDC_POSITIVE_INFINITY): New constant.
2203         (S390_TDC_NEGATIVE_INFINITY): New constant.
2204         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
2205         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
2206         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
2207         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
2208         (S390_TDC_INFINITY): New constant.
2209         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
2210         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
2211         optimization for UNSPEC_CCZ_TO_INT.
2212         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
2213         ("*ccz_to_int"): New insn.
2214         ("isinf<mode>2"): New insn.
2215         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
2216         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
2217         (UNSPEC_CCZ_TO_INT): New constant.
2218
2219 2007-04-18  Richard Guenther  <rguenther@suse.de>
2220
2221         PR tree-optimization/19431
2222         PR tree-optimization/21463
2223         * tree-pass.h (pass_phiprop): Declare.
2224         * passes.c (init_optimization_passes): New phiprop pass.
2225         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
2226         (phivn_valid_p): New helper function.
2227         (phiprop_insert_phi): Likewise.
2228         (propagate_with_phi): Likewise.
2229         (tree_ssa_phiprop): New propagator propagating loads
2230         through phi nodes if profitable.
2231
2232 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2233
2234         * tree-vect-analyze.c (process_use): New function.
2235         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
2236         Check phis in all bbs.
2237         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2238         assert.
2239
2240 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2241
2242         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2243         we use REG_EQUAL.
2244
2245 2007-04-17  Anatoly Sokolov <aesok@post.ru>
2246
2247         PR target/30483
2248         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2249         error().
2250
2251 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
2252
2253         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2254         on "0".
2255         (sse_vmmulv4sf3): Likewise.
2256         (sse2_vmaddv2df3): Likewise.
2257         (sse2_vmmulv2df3): Likewise.
2258
2259 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
2260
2261         PR rtl-optimization/31360
2262         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2263         (target_reg_cost): New.
2264         (init_set_costs): Initialize target_reg_cost.  Add comments
2265         regarding the rationale of the costs.
2266         (global_cost_for_size): Renamed to...
2267         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
2268         of register pressure.
2269         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2270         estimate_reg_pressure_cost.  Add number of ivs.
2271         (determine_set_costs): Dump target_reg_cost.
2272         * loop-invariant.c (gain_for_invariant):  Use
2273         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
2274         (best_gain_for_invariant, find_invariants_to_move): Remove
2275         n_inv_uses.
2276         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2277         (target_reg_cost): Declare.
2278         (global_cost_for_size): Declaration removed.
2279         (estimate_reg_pressure_cost): Declare.
2280
2281 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
2282
2283         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2284         regnos into even/odd register pairs.
2285         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2286         TDmode similar to the other floating point modes.
2287         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2288         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2289         define_expand's.
2290         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2291         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2292         (movdd_hardfloat64): Use TARGET_MFPGPR.
2293
2294 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2295
2296         * reload1.c (delete_output_reload): Don't count output in n_inherited.
2297
2298         Revert
2299         2005-01-05  Richard Henderson  <rth@redhat.com>
2300         PR rtl-opt/10692
2301         * reload1.c (do_input_reload): Restrict the optimization deleteing
2302         a previous output reload to RELOAD_FOR_INPUT.
2303
2304 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
2305
2306         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2307         induc_vec_info_type.
2308         (vectorizable_induction): New function declaration.
2309         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2310         check if already vectorized.  Find first place in BB where new stmts
2311         can be inserted.  Takes only one argument.
2312         (vectorizable_induction): New function.
2313         (vect_transform_stmt): Add case for induc_vec_info_type to call
2314         vectorizable_induction.
2315         (vect_transform_loop): Consider phis for vectorization.
2316         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2317         condition.
2318         (analyze_operations): Call vectorizable_induction when analyzing phis.
2319         Fix comment.
2320         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2321         (vect_mark_relevant): Include phis in relevance analysis.
2322         (vect_mark_stmts_to_be_vectorize): Likewise.
2323         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2324
2325 2007-04-16  Lawrence Crowl  <crowl@google.com>
2326
2327         * doc/invoke.texi (Debugging Options): Add documentation for the
2328         -femit-struct-debug options -femit-struct-debug-baseonly,
2329         -femit-struct-debug-reduced, and
2330         -femit-struct-debug-detailed[=...].
2331
2332         * c-opts.c (c_common_handle_option): Add
2333         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2334         and OPT_femit_struct_debug_detailed_.
2335         * c.opt: Add specifications for
2336         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2337         and -femit-struct-debug-detailed[=...].
2338         * opts.c (set_struct_debug_option): Parse the
2339         -femit-struct-debug-... options.
2340         * opts.c (matches_main_base, main_input_basename,
2341         main_input_baselength, base_of_path, matches_main_base): Add
2342         variables and functions to compare header base name to compilation
2343         unit base name.
2344         * opts.c (should_emit_struct_debug): Add to determine to emit a
2345         structure based on the option.
2346         (dump_struct_debug) Also disabled function to debug this
2347         function.
2348         * opts.c (handle_options): Save the base name of the
2349         compilation unit.
2350
2351         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2352         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2353         This hook indicates if a type is generic.  Set it by default
2354         to "never generic".
2355         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2356         to determine if a struct type is generic or not.
2357         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2358         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2359         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2360         with live C++ hook.
2361
2362         * flags.h (enum debug_info_usage): Add an enumeration to describe
2363         a program's use of a structure type.
2364         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2365         to indicate the program's usage of the type.  Filter structs based
2366         on the -femit-struct-debug-... specification.
2367         (gen_type_die): Split into two routines, gen_type_die and
2368         gen_type_die_with_usage.  gen_type_die is now a wrapper
2369         that assumes direct usage.
2370         (gen_type_die_with_usage): Replace calls to gen_type_die
2371         with gen_type_die_with_usage adding the program usage of
2372         the referenced type.
2373         (dwarf2out_imported_module_or_decl): Suppress struct debug
2374         information using should_emit_struct_debug when appropriate.
2375
2376 2007-04-16  Ian Lance Taylor  <iant@google.com>
2377
2378         PR tree-optimization/31522
2379         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2380         (vrp_initialize): Allocate vr_phi_edge_counts.
2381         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2382         executable edge.  Drop test for all constants.
2383         (vrp_finalize): Free vrp_phi_edge_counts.
2384
2385         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2386         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2387
2388         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2389         predecessors at head rather than tail.
2390
2391 2007-04-16  Matthias Klose  <doko@debian.org>
2392
2393         * config/alpha/linux.h (CPP_SPEC): Define.
2394         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2395
2396 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2397
2398         * function.h: Remove sequence_stack extern declaration.
2399
2400 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2401
2402         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2403         TARGET_FIDOA.
2404         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2405         defined.
2406
2407 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2408
2409         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2410         (enum avr_arch): Add.
2411         (avr_mcu_types): Use avr_arch enumeration constants instead of
2412         numbers.
2413         * config/avr/avr.h (LINK_SPEC): Simplify.
2414
2415 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2416
2417         * config/m68k/m68k.c (m68k_libcall_value,
2418         m68k_function_value): Use macros for register names more.
2419
2420         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2421         instead.
2422         (M68K_REGNAME): Use A6_REG.
2423         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2424
2425 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2426
2427         PR middle-end/28071
2428         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2429         'pending_read_list_length' and 'pending_write_list_length'.  Update
2430         comment.
2431         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2432         to handle two length counters instead of one.  Update all uses.
2433         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2434         two length counters instead of one.
2435         * sched-rgn.c (propagate_deps): Update to handle two length counters
2436         instead of one.
2437
2438 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2439
2440         PR target/31582
2441         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2442         copy of source, pass it to ix86_expand_vector_set and return
2443         it as target.
2444
2445 2007-04-16  David Ung  <davidu@mips.com>
2446             Joseph Myers  <joseph@codesourcery.com>
2447
2448         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2449         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2450         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2451         Add 74K processor information.
2452         * config/mips/mips.md: Include 74k.md.
2453         (cpu): Add 74kc,74kf,74kx.
2454         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2455         * config/mips/74k.md: New.
2456         * doc/invoke.texi (MIPS Options): Document 74K support.
2457
2458 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2459
2460         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2461         vectorizable_* functions.
2462         * tree-vect-transform.c (vectorizable_call): Add check for
2463         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2464         (vectorizable_store): likewise.
2465         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2466         Add comments.
2467         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2468         (vectorizable_type_promotion, vectorizable_load): Likewise.
2469         (vectorizable_live_operation, vectorizable_condition): Likewise.
2470         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2471         STMT_VINFO_LIVE_P.
2472         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2473
2474 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2475
2476         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2477         register numbers more.
2478         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2479         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2480         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2481         FUNCTION_VALUE_REGNO_P): Likewise.
2482         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2483         STATIC_CHAIN_REGNUM): Likewise.
2484         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2485         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2486         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2487         * config/m68k/m68k.md (FP_REG): New.
2488
2489 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2490
2491         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2492         alignment on fido.
2493
2494 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2495
2496         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2497         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2498         comment typos.
2499
2500 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2501
2502         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2503         cold loops.
2504
2505 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2506
2507         PR c/31520
2508         * c-decl.c (finish_decl): Grab the type of the decl after the call
2509         to store_init_value.
2510
2511 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2512
2513         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2514
2515 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2516
2517         PR c++/25874
2518         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2519         post dominators and cleanup cfg before returning.
2520
2521 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2522
2523         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2524         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2525
2526 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2527
2528         * config.gcc: Recognize fido.
2529         * config/m68k/m68k-devices.def (fidoa): New.
2530         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2531         __mfido__.
2532         (FL_FIDOA, TARGET_FIDOA): New.
2533         * config/m68k/m68k.opt (mfidoa): New.
2534
2535 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2536
2537         PR middle-end/31322
2538         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2539         when a personality function is used.
2540
2541 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2542
2543         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2544
2545 2007-04-13  Mike Stump  <mrs@apple.com>
2546
2547         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2548         we can...
2549         * config/darwin.opt (fapple-kext): Make C++ only.
2550         * config/darwin.c (darwin_override_options): Remove code to ensure
2551         -fapple-kext is given for C++ only.
2552
2553 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2554
2555         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2556         * config/mips/mips.c (override_options): Call
2557         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2558
2559 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2560
2561         * config/i386/i386.opt (msvr3-shlib): Removed.
2562
2563         * doc/invoke.texi: Remove -msvr3-shlib.
2564
2565 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2566
2567         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2568         with "popcnt" instruction.
2569
2570 2007-04-13  Richard Guenther  <rguenther@suse.de>
2571
2572         PR tree-optimization/21258
2573         * tree-vrp.c (compare_case_labels): New helper.
2574         (find_switch_asserts): New function.
2575         (find_assert_locations): Call it for SWITCH_EXPRs.
2576
2577 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2578
2579         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2580         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2581         check is now implied in X87_FLOAT_MODE_P.
2582         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2583         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2584         (fix_trunc<mode>_i386_fisttp): Ditto.
2585         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2586         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2587         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2588         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2589         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2590         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2591         (unnamed_splitters): Ditto.
2592         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2593         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2594         FIRST_SSE_REG for local functions when SSE math is enabled or
2595         for functions with sseregparm attribute.
2596         (standard_80387_constant_p): Return -1 if mode is not
2597         X87_FLOAT_MODE_P.
2598         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2599         (ix86_expand_compare): Ditto.
2600         (ix86_expand_carry_flag_compare): Ditto.
2601         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2602         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2603         DECIMAL_FLOAT_MODE_P.
2604         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2605         of SCALAR_FLOAT_MODE_P.
2606         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2607         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2608         checks before FLOAT_MODE_P.
2609         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2610         before FLOAT_MODE_P.
2611         [DIV]: Ditto.
2612         [NEG]: Ditto.
2613         [ABS]: Ditto.
2614         [SQRT]: Ditto.
2615         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2616
2617 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2618             Charles Wilson  <libtool@cwilson.fastmail.fm>
2619
2620         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2621         (libgcc.mvars): Don't depend on them.
2622         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2623         * exec-tool.in: New.
2624
2625 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2626
2627         * doc/invoke.text (--help): Document --help=common.
2628
2629 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2630
2631         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2632
2633 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2634
2635         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2636         * genemit.c (main): Emit #include "integrate.h".
2637         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2638         (LOADGP_RTP): New mips_loadgp_style.
2639         * config/mips/mips.h: Include config/vxworks-dummy.h.
2640         (TARGET_RTP_PIC): New macro.
2641         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2642         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2643         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2644         for TARGET_RTP_PIC.
2645         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2646         -mvxworks-pic when using -mrtp and a PIC option.
2647         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2648         for RTP PIC.
2649         (mips_symbolic_constant_p, mips_symbolic_address_p)
2650         (mips_symbol_insns): Handle SYMBOL_HALF.
2651         (override_options): Warn about -G and -mrtp being used together.
2652         Initialize mips_lo_relocs[SYMBOL_HALF].
2653         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2654         (mips_emit_loadgp): Handle LOADGP_RTP.
2655         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2656         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2657         (tablejump): Handle function-relative case table entries if
2658         TARGET_RTP_PIC.
2659         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2660
2661 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2662
2663         * config/mips/mips.md (load_call<mode>): Allow any general register.
2664         destination.
2665         (sibcall_value_internal, sibcall_value_multiple_internal)
2666         (call_value_internal, call_value_split, call_value_multiple_internal)
2667         (call_value_multiple_split): Remove constraints from operand 0.
2668
2669 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2670
2671         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2672         rather than loadgp_noshared.
2673         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2674         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2675         gen_loadgp.
2676         * config/mips/mips.md (loadgp): Rename to...
2677         (loadgp_newabi): ...this.
2678         (loadgp_noshared): Rename to...
2679         (loadgp_absolute): ...this.
2680
2681 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2682
2683         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2684         false for locally-binding symbols.
2685         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2686
2687 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2688
2689         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2690         (SYMBOL_GOT_PAGE_OFST): ...this.
2691         (SYMBOL_GOT_GLOBAL): Rename to...
2692         (SYMBOL_GOT_DISP): ...this.
2693         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2694         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2695         * config/mips/mips.c (mips_global_symbol_p): New function.
2696         (mips_symbol_binds_local_p): Likewise.
2697         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2698         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2699         and mips_symbol_binds_local_p.
2700         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2701         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2702         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2703         SYMBOL_GOTOFF_DISP.
2704         (mips_ok_for_lazy_binding_p): New function.
2705         (mips_load_call_address, mips_expand_call): Use it.
2706         (mips_dangerous_for_la25_p): Likewise.
2707         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2708         (*got_disp<mode>): Use got_disp_operand instead of
2709         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2710         SYMBOL_GOTOFF_GLOBAL.
2711         (*got_page<mode>): Use got_page_ofst_operand instead of
2712         local_got_operand.
2713         * config/mips/predicates.md (const_call_insn_operand): Use
2714         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2715         (global_got_operand): Rename to...
2716         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2717         SYMBOL_GOT_GLOBAL.
2718         (local_got_operand): Rename to...
2719         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2720         of SYMBOL_GOT_LOCAL.
2721
2722 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2723
2724         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2725         TARGET_CALL_CLOBBERED_GP.
2726         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2727         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2728         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2729         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2730         of TARGET_ABICALLS && !TARGET_NEWABI.
2731         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2732         * config/mips/mips.c (mips_load_call_address): Check
2733         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2734         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2735         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2736         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2737         TARGET_ABICALLS && TARGET_NEWABI.
2738         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2739         TARGET_ABICALLS.
2740         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2741         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2742         TARGET_ABICALLS && TARGET_NEWABI.
2743         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2744         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2745         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2746         whether indirect calls must use $25.
2747         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2748         TARGET_ABICALLS.
2749         * config/mips/mips.md (jal_macro): Check flag_pic and
2750         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2751         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2752         instead of TARGET_ABICALLS.
2753         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2754         TARGET_ABICALLS && TARGET_OLDABI.
2755         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2756         (sibcall): In the comment above the define_insn, mention
2757         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2758         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2759         instead of TARGET_ABICALLS.
2760
2761 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2762
2763         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2764         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2765         (MACFLAGS_MATCH_P): New macro.
2766         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2767         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2768         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2769         the other MACFLAG constants.
2770         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2771         (flag_machi): Tighten constraints.  Renumber some of the operands.
2772         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2773         output template.
2774         (flag_machi_parts_acconly): New pattern.
2775         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2776         used.
2777         (flag_macinit1hi): Tighten constraints.
2778         (flag_mul_macv2hi_parts_acconly): New pattern.
2779
2780         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2781         Use a more efficient implementation.
2782         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2783         inline sequences when not optimizing for size.
2784
2785         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2786         movhi_high2low): Delete, merge functionality into...
2787         (packv2hi): ... this pattern.
2788
2789         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2790         * config/bfin/bfin.opt (msim): New option.
2791         (mcpu=): New option.
2792         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2793         (bfin_cpu_t): Typedef of enum bfin_cpu.
2794         (bfin_cpu_type): New declaration.
2795         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2796         -msim and -mcpu= options.
2797         (LIB_SPEC): Likewise.
2798         * config/bfin/bfin.c (bfin_cpu_type): Define.
2799         (bfin_handle_option): Handle -mcpu= option.
2800         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2801         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2802         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2803
2804 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2805
2806         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2807         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2808         (powerpc-wrs-vxworksae): Use ${tm_file}.
2809         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2810         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2811         * config/i386/vx-common.h: New file.
2812
2813 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2814
2815         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2816         of crt0.o%s.
2817
2818 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2819
2820         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2821         ldxtr.
2822
2823 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2824
2825         PR c++/31078
2826         PR c++/31103
2827         * c-common.c (c_build_qualified_type): Set canonical type
2828         appropriately.
2829
2830 2007-04-12  Richard Guenther  <rguenther@suse.de>
2831
2832         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2833         lower bound and element size if lower bound is not zero
2834         or either of the ARRAY_REF operands is set.
2835
2836 2007-04-12  Richard Guenther  <rguenther@suse.de>
2837
2838         PR tree-optimization/24689
2839         PR tree-optimization/31307
2840         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2841         indices by value.
2842         * gimplify.c (canonicalize_addr_expr): To be consistent with
2843         gimplify_compound_lval only set operands two and three of
2844         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2845         it never at this place.
2846         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2847
2848 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2849
2850         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2851         null before emitting a .nsubspa directive.
2852
2853 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2854
2855         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2856         need_to_partition_p if there are no memory statements in the
2857         function.
2858
2859 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2860
2861         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2862         (gcd_of_steps_may_divide_p): New function.
2863         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2864
2865 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2866
2867         * reload.c (find_reloads_toplev, find_reloads_address,
2868         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2869         not a pointer equality test, to decide if we need to call
2870         push_reg_equiv_alt_mem.
2871
2872 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2873
2874         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2875         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2876         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2877
2878 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2879
2880         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2881         vector to be positive.
2882
2883 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2884
2885         PR 30735
2886         PR 31090
2887         * doc/invoke.texi: Document --params max-aliased-vops and
2888         avg-aliased-vops.
2889         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2890         debug_memory_partitions): Move to tree-flow.h
2891         * params.h (AVG_ALIASED_VOPS): Define.
2892         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2893         users.
2894         (mp_info_t): Likewise.
2895         (get_mem_sym_stats_for): New.
2896         (set_memory_partition): Move from tree-flow-inline.h.
2897         (mark_non_addressable): Only clear the set of symbols for the
2898         partition if it exists.
2899         (dump_memory_partitions): Move from tree-ssa-operands.c
2900         (debug_memory_partitions): Likewise.
2901         (need_to_partition_p): New.
2902         (dump_mem_ref_stats): New.
2903         (debug_mem_ref_stats): New.
2904         (dump_mem_sym_stats): New.
2905         (debug_mem_sym_stats): New.
2906         (update_mem_sym_stats_from_stmt): New.
2907         (compare_mp_info_entries): New.
2908         (mp_info_cmp): Call it.
2909         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2910         objects.
2911         (get_mpt_for): Move from tree-ssa-operands.c.
2912         (find_partition_for): New.
2913         (create_partition_for): Remove.
2914         (estimate_vop_reduction): New.
2915         (update_reference_counts): New.
2916         (build_mp_info): New.
2917         (compute_memory_partitions): Refactor.
2918         Document new heuristic.
2919         Call build_mp_info, update_reference_counts,
2920         find_partition_for and estimate_vop_reduction.
2921         (compute_may_aliases): Populate virtual operands before
2922         calling debugging dumps.
2923         (delete_mem_sym_stats): New.
2924         (delete_mem_ref_stats): New.
2925         (init_mem_ref_stats): New.
2926         (init_alias_info): Call it.
2927         (maybe_create_global_var): Remove alias_info argument.
2928         Get number of call sites and number of pure/const call sites
2929         from gimple_mem_ref_stats().
2930         (dump_alias_info): Call dump_memory_partitions first.
2931         (dump_points_to_info_for): Show how many times a pointer has
2932         been dereferenced.
2933         * opts.c (decode_options): For -O2 set --param
2934         max-aliased-vops to 500.
2935         For -O3 set --param max-aliased-vops to 1000 and --param
2936         avg-aliased-vops to 3.
2937         * fortran/options.c (gfc_init_options): Remove assignment to
2938         MAX_ALIASED_VOPS.
2939         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2940         * tree-dfa.c (dump_variable): Dump memory reference
2941         statistics.
2942         Dump NO_ALIAS* settings.
2943         (referenced_var_lookup): Tidy.
2944         (mem_sym_stats): New.
2945         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2946         and ORIG are different SSA names for a memory partition.
2947         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2948         * tree-flow.h (struct mem_sym_stats_d): Define.
2949         (mem_sym_stats_t): Define.
2950         (struct mem_ref_stats_d): Define.
2951         (struct gimple_df): Add field mem_ref_stats.
2952         (enum noalias_state): Define.
2953         (struct var_ann_d): Add bitfield noalias_state.
2954         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2955         debug_mem_ref_stats, debug_memory_partitions,
2956         debug_mem_sym_stats): Declare.
2957         * tree-ssa-structalias.c (update_alias_info): Update call
2958         sites, pure/const call sites and asm sites in structure
2959         returned by gimple_mem_ref_stats.
2960         Remove local variable IS_POTENTIAL_DEREF.
2961         Increase NUM_DEREFS if the memory expression is a potential
2962         dereference.
2963         Call update_mem_sym_stats_from_stmt.
2964         If the memory references memory, call
2965         update_mem_sym_stats_from_stmt for all the direct memory
2966         symbol references found.
2967         (intra_create_variable_infos): Set noalias_state field for
2968         pointer arguments according to the value of
2969         flag_argument_noalias.
2970         * tree-ssa-structalias.h (struct alias_info): Remove fields
2971         num_calls_found and num_pure_const_calls_found.
2972         (update_mem_sym_stats_from_stmt): Declare.
2973         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2974         Set default value to 100.
2975         (PARAM_AVG_ALIASED_VOPS): Define.
2976
2977 2007-04-11  Richard Guenther  <rguenther@suse.de>
2978
2979         PR middle-end/31530
2980         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2981         a * -b + c as c - a * b if we honor sign dependent rounding.
2982
2983 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2984
2985         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2986         bfin_expand_strmov.
2987         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2988         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2989         variables.
2990         (initialize_trampoline): Don't use old-style function definition.
2991         (bfin_secondary_reload): Mark IN_P argument as unused.
2992
2993 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2994
2995         PR tree-optimization/31343
2996         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2997         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2998         * testsuite/gcc.dg/vect/pr31343.c: New.
2999
3000 2007-04-10  Eric Christopher  <echristo@apple.com>
3001
3002         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
3003         * config/i386/i386.md (*cmpfp0): Use.
3004         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
3005         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
3006         (fix_trunc<mode>_i386_fisttp): Ditto.
3007         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
3008         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
3009         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
3010         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
3011         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
3012         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
3013         (unnamed_splitters): Ditto.
3014         * config/i386/i386.c (output_fix_trunc): Assert that
3015         we're not being passed a TFmode operand.
3016
3017 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
3018
3019         PR tree-optimization/31526
3020         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
3021         n_basic_blocks to find newly added blocks.
3022
3023 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
3024
3025         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
3026         alternative.
3027         (fix_trunc<mode>si_sse): Ditto.
3028         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
3029         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
3030         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
3031         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
3032         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
3033         expander using SSEMODEF mode macro.
3034         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
3035         expander using SSEMODEF mode macro.
3036         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
3037         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
3038         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
3039         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
3040         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
3041         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
3042         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
3043         Macroize insn using X87MODEF mode macro.
3044
3045 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3046
3047         * config/i386/sse.md (sse2_pinsrw): Removed.
3048         (sse2_pextrw): Renamed to ...
3049         (*sse2_pextrw): This.
3050
3051 2007-04-09  Jan Hubicka  <jh@suse.cz>
3052
3053         PR target/27869
3054         * config/i386/sse.md
3055         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
3056         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
3057         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
3058         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
3059
3060 2007-04-09  Jan Hubicka  <jh@suse.cz>
3061
3062         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
3063         multiple fields of union.
3064
3065 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
3066
3067         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
3068         (create_preheaders): Check that loops are available.
3069         (fix_loop_structure): Clean up, improve comments.
3070         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
3071         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
3072         state flags.
3073         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
3074         * predict.c (tree_estimate_probability): Do not call
3075         calculate_dominance_info.  Call create_preheaders.
3076         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
3077         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
3078         flags.
3079         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
3080         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
3081         * tree-cfg.c (tree_split_edge): Make an assert more precise.
3082         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
3083         arguments.
3084
3085 2007-04-08  Jan Hubicka  <jh@suse.cz>
3086
3087         * tree.h (maybe_fold_offset_to_component_ref): Declare.
3088         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
3089         * fold-const.c (fold_unary): Use it.
3090
3091 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3092
3093         * varasm.c (assemble_variable): Remove call to
3094         lang_hooks.decls.prepare_assemble_variable.
3095         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
3096         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
3097         * langhooks.h (lang_hooks_for_decls): Remove
3098         prepare_assemble_variable.
3099
3100 2007-04-08  Mike Stump  <mrs@apple.com>
3101
3102         * config/i386/i386.c: Use inc/dec on Core2.
3103
3104 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
3105
3106         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
3107         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3108         lhd_tree_inlining_end_inlining): Remove.
3109         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
3110         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
3111         end_inlining hooks.
3112         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
3113         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3114         lhd_tree_inlining_end_inlining): Remove prototypes.
3115         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
3116         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3117         LANG_HOOKS_TREE_INLINING_START_INLINING,
3118         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
3119
3120         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
3121         not set it.
3122
3123 2007-04-08  Anatoly Sokolov <aesok@post.ru>
3124
3125         PR target/29932
3126         * config/avr/predicates.md (io_address_operand): Delete predicate.
3127         (low_io_address_operand): Don't use 'mode' argument.
3128         (higth_io_address_operand): Rename ...
3129         (high_io_address_operand): ... to this. Don't use 'mode' argument.
3130         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
3131         for above change.
3132
3133 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
3134
3135         Revert change removing staticp.
3136
3137 2007-04-07  Anatoly Sokolov <aesok@post.ru>
3138
3139         PR target/30289
3140         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
3141         earlyclobber.
3142
3143 2007-04-07  Bruce Korb  <bkorb@gnu.org>
3144
3145         * c.opt: Add -Wformat-contains-nul.
3146         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
3147           -Wformat setting.
3148         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
3149         the NUL byte warning.
3150
3151 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
3152
3153         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
3154
3155 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3156
3157         * tree.c (staticp): No longer use staticp langhook.
3158         * langhooks.c (lhd_staticp): Removed.
3159         * langhooks.h (struct lang_hooks): Remove staticp.
3160         * c-common.c (c_staticp): Remove.
3161         * c-common.h (c_staticp): Ditto.
3162         * langhooks-defs.h (lhd_staticp): Ditto.
3163         (LHD_HOOKS_STATICP): Ditto
3164         * tree.h (gcc_assert_lowered): New macro.
3165
3166 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3167
3168         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
3169         argument "reliable".
3170         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
3171         Add argument "reliable".  Propagate it through calls.
3172         (infer_loop_bounds_from_undefined):  Derive number of iterations
3173         estimates from references in blocks that do not dominate loop latch.
3174         (gcov_type_to_double_int): New function.
3175         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
3176         and expected_loop_iterations_unbounded.
3177         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
3178         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
3179         * tree-data-ref.c (estimated_loop_iterations): Export.
3180         (get_references_in_stmt): Fix -- do not return addresses of local
3181         objects.
3182         * cfgloop.h (expected_loop_iterations_unbounded,
3183         estimated_loop_iterations): Declare.
3184
3185 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3186
3187         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3188
3189 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3190
3191         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
3192         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
3193         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
3194         Use output_387_reg_move().
3195         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
3196         expander using X87MODEF12 mode macro.
3197         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
3198         choosing register preferences.  Use output_387_reg_move().
3199         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
3200         instead of "x".  Use output_387_reg_move().
3201         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
3202         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
3203         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
3204         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
3205         Use output_387_reg_move().
3206         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
3207         mode macro.
3208         (*truncxf?f_i387 splitter): Ditto.
3209
3210 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3211
3212         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3213         LANG_HOOKS_SAFE_FROM_P.
3214         * expr.c (safe_from_p): Remove langhook call.
3215         * langhooks.h (lang_hooks): Remove safe_from_p.
3216         (lhd_safe_from_p): Remove prototype.
3217         * langhooks.c (lhd_safe_from_p): Remove.
3218
3219 2007-04-06  Jan Hubicka  <jh@suse.cz>
3220
3221         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
3222         functions.
3223
3224 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3225
3226         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
3227         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
3228         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
3229         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
3230         alternative.
3231         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
3232         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
3233
3234 2007-04-05  Richard Henderson  <rth@redhat.com>
3235
3236         * config/alpha/alpha.c (print_operand) [+]: Remove.
3237         (alpha_end_function): Print nop if call at end of function.
3238         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3239         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3240         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3241         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3242         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3243         the call pattern. Update peepholes to match.
3244
3245 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
3246
3247         * doc/extend.texi (Other Builtins): Add decimal float variants
3248         of signbit.
3249         * builtins.def: Ditto.
3250         * builtins.c (expand_builtin): Ditto.
3251
3252 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
3253             H.J. Lu  <hongjiu.lu@intel.com>
3254
3255         PR target/31478
3256         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3257         of V8HImode when calling ix86_binary_operator_ok.
3258         (sse2_pmaddwd): Call ix86_binary_operator_ok.
3259         (sdot_prodv8hi): Operands 1 and 2 must be register.
3260
3261 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3262
3263         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3264         initialize align to silence bogus warning.
3265
3266 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3267
3268         PR middle-end/22156
3269         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
3270         all_no_warning.
3271         (struct sra_walk_fns): Remove use_all parameter from use.
3272         (sra_hash_tree): Handle BIT_FIELD_REFs.
3273         (sra_elt_hash): Don't hash bitfld blocks.
3274         (sra_elt_eq): Skip them in parent compares as well.  Handle
3275         BIT_FIELD_REFs.
3276         (sra_walk_expr): Don't maintain or pass down use_all_p.
3277         (scan_use): Remove use_all parameter.
3278         (scalarize_use): Likewise.  Re-expand assignment to
3279         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
3280         output, and re-scalarize after output.  Don't mark anything
3281         for no warning.
3282         (scalarize_ldst): Adjust.
3283         (scalarize_walk_gimple_modify_statement): Likewise.
3284         (build_element_name_1): Handle BIT_FIELD_REFs.
3285         (instantiate_element): Don't warn for any element whose parent
3286         is used as a whole.
3287         (instantiate_missing_elements_1): Return the sra_elt.
3288         (canon_type_for_field): New.
3289         (try_instantiate_multiple_fields): New.
3290         (instantiate_missing_elemnts): Use them.
3291         (mark_no_warning): Removed.
3292         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3293         (REPLDUP, sra_build_elt_assignment): New.
3294         (generate_copy_inout): Use them.
3295         (generate_element_copy): Likewise.  Handle bitfld differences.
3296         (generate_element_zero): Don't recurse for blocks.  Use
3297         sra_build_elt_assignment.
3298         (generate_one_element_int): Take elt instead of var.  Use
3299         sra_build_elt_assignment.
3300         (generate_element_init_1): Adjust.
3301         (scalarize_use, scalarize_copy): Use REPLDUP.
3302         (scalarize_ldst): Move assert before dereference.
3303         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3304
3305 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3306
3307         * regmove.c: Fix unused variable warnings due to previous commit.
3308
3309 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3310
3311         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3312         (regmove_bb_head): Remove.
3313         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3314         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3315         problems with fixup_match_1.
3316         Don't initialize/free regmove_bb_head.
3317
3318         (reg_is_remote_constant_p): If an insn is in the same basic block
3319         but not before INSN, consider it remote, too.
3320
3321 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3322
3323         PR target/25448
3324         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3325         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3326
3327 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3328
3329         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3330         (CONDITIONAL_REGISTER_USAGE): Likewise.
3331
3332 2007-04-04  Richard Henderson  <rth@redhat.com>
3333
3334         * config/alpha/lib1funcs.asm: Remove unused file.
3335
3336 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3337
3338         PR other/31356
3339         * opts.c (print_specific_help): Fix --help=<language>
3340         header line.
3341         (common_handle_option): Support --help=common.
3342
3343 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3344
3345         PR other/31353
3346         * gcc.c (main): Do not run the linker if
3347         print_subprocess_help indicates that it shouldn't be
3348         run.
3349
3350 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3351
3352         PR doc/31355
3353         * doc/invoke.texi (--help=): Document <languages> value, fix
3354         formatting in tables of values.
3355
3356 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3357
3358         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3359         dllimport attribute of virtual methods.
3360
3361 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3362
3363         * config/score/crti.asm: Change _bss_start to __bss_start.
3364         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3365         (OUTGOING_REG_PARM_STACK_SPACE) update.
3366         * config/score/score.opt: add options to make backend support
3367         score5, score5u, score7 and score7d.
3368         * config/score/score.md: Likewise.
3369         * config/score/misc.md: Likewise.
3370         * config/score/mac.md: Likewise.
3371         * doc/invoke.texi: Likewise.
3372         * doc/md.texi: update constraints define.
3373
3374 2007-04-03  Richard Henderson  <rth@redhat.com>
3375
3376         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3377         an appropriate type, use the mode instead.
3378
3379 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3380
3381         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3382         Set the default --with-arch setting to mips2.
3383         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3384         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3385         (MULTILIB_OSDIRNAMES): Delete.
3386         (MULTILIB_DIRNAMES): Define.
3387         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3388         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3389         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3390         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3391         VXWORKS_OS_CPP_BUILTINS.
3392         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3393         (MIPS_DEBUGGING_INFO): Undefine.
3394         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3395
3396 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3397
3398         PR middle-end/30704
3399         * fold-const.c (native_encode_real): Encode real.c provided longs
3400         as a series of 32-bit native integers.
3401         (native_interpret_real): Interpret buffer as a series of 32-bit
3402         native integers.
3403
3404 2007-04-03  Richard Guenther  <rguenther@suse.de>
3405
3406         * genpreds.c (write_insn_constraint_len): Write function
3407         optimized for CONSTRAINT_LEN implementation.
3408         (write_tm_preds_h): Output insn_constraint_len inline and
3409         use it for CONSTRAINT_LEN.
3410         (write_insn_preds_c): Don't output insn_constraint_len.
3411         * doc/md.texi (define_register_constraint): Document multi-letter
3412         constraints shall have the same length if they start with the same
3413         letter.
3414
3415 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         PR target/31175
3418         * config/i386/i386.md (isinf<mode>2): Expand only when
3419         TARGET_C99_FUNCTIONS is set.
3420
3421 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3422
3423         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3424         (x86_64-*-linux*): Ditto.
3425         * config/i386/i386.opt (mpc): New option.
3426         * config/i386/i386.c (overrride_options): Handle
3427         ix87_precision_string.
3428         * config/i386/crtprec.c: New file.
3429         * config/i386/t-crtpc: Ditto.
3430         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3431         and -mpc80 options.
3432         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3433         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3434         crtprec32.o, crtprec64.o and crtprec80.o.
3435
3436         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3437         and -mpc80 options.
3438         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3439
3440 2007-04-02  Eric Christopher  <echristo@apple.com>
3441
3442         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3443         limitations on darwin.
3444
3445 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3446
3447         PR target/31137
3448         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3449
3450 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3451
3452         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3453
3454 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3455
3456         * libgcc2.h (exception_descriptor): Don't forward-declare.
3457         (__get_eh_table_language, __get_eh_table_version): Delete
3458         prototypes of long-dead functions.
3459
3460 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3461
3462         * ebitmap.h: New file
3463         * ebitmap.c: New file
3464         * Makefile.in (ebitmap.o): New target.
3465
3466 2007-04-01  Jan Hubicka  <jh@suse.cz>
3467
3468         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3469         before very first instruction.
3470
3471 2007-04-01  Jan Hubicka  <jh@suse.cz>
3472
3473         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3474         waring on 64bit hosts.
3475         * bitmap.h: Fix typo in bitmap_head_def.
3476
3477 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3478
3479         PR rtl-optimization/31391
3480         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3481         into a DELETED_LABEL note, and the label is in an empty basic
3482         block, update BB_END as well as BB_HEAD.
3483
3484 2007-04-01  Richard Henderson  <rth@redhat.com>
3485
3486         PR tree-optimization/31169
3487         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3488         to varying if the range is outside [0,  prec-1].
3489
3490 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3491
3492         PR target/31388
3493         * config/mips/mips.md (load_const_gp): New insn.
3494         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3495         the MIPS16 GP pseudo register if no_new_pseudos.
3496         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3497
3498 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3499
3500         PR target/31364
3501         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3502         secureplt.
3503         (call_value): Likewise.
3504
3505 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3506             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3507
3508         PR 14737
3509         * doc/invoke.texi: (optimization options): Reword description
3510         of -ffast-math. Document its primary purpose.
3511
3512 2007-03-31  Richard Guenther  <rguenther@suse.de>
3513
3514         * omp-low.c (splay-tree.h): Include.
3515         (lookup_decl): Replace splay-tree usage by pointer-map.
3516         (maybe_lookup_decl): Likewise.
3517         (new_omp_context): Likewise.
3518         (delete_omp_context): Likewise.
3519         * gimplify.c (splay-tree.h): Include.
3520         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3521         pointer-map.
3522         (remap_ssa_name): Likewise.
3523         (remap_decl): Likewise.
3524         (remap_type_1): Likewise.
3525         (remap_type): Likewise.
3526         (copy_body_r): Likewise.
3527         (expand_call_inline): Likewise.
3528         (clone_body): Likewise.
3529         (copy_tree_r): Likewise.
3530         (remap_save_expr): Likewise.
3531         (unsave_r): Likewise.
3532         (unsave_expr_now): Likewise.
3533         (tree_function_versioning): Likewise.
3534         (build_duplicate_type): Likewise.
3535         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3536         (struct copy_body_data): Replace splay-tree by pointer-map.
3537         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3538         not $(SPLAY_TREE_H).
3539         (gimplify.o): Depend on $(SPLAY_TREE_H).
3540         (omp-low.p): Likewise.
3541
3542 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3543
3544         * config/avr/predicates.md (even_register_operand,
3545         odd_register_operand): New predicates.
3546         * config/avr/avr.md (movw peephole2): New.
3547         (movw_r peephole2): New.
3548
3549 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3550
3551         * tree.h (get_signed_or_unsigned_type): New.
3552         * fold-const.c (operand_equal_for_comparison_p): Use
3553         get_signed_or_unsigned_type instead of
3554         lang_hooks.types.signed_or_unsigned_type.
3555         * expr.c (store_expr): Ditto.
3556         * langhooks.c (get_signed_or_unsigned_type): New.
3557         (lhd_signed_or_unsigned_type): New.
3558         * langhooks.h (lhd_signed_or_unsigned_type): New.
3559         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3560
3561 2007-03-30  Richard Henderson  <rth@redhat.com>
3562
3563         * tree-ssa-loop-ivopts.c: Include target.h.
3564         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3565         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3566         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3567         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3568
3569 2007-03-30  Richard Henderson  <rth@redhat.com>
3570             Kai Tietz  <kai.tietz@onevision.com>
3571
3572         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3573         default for 64-bit.
3574         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3575         (TARGET_64BIT_MS_ABI): New.
3576         (DBX_REGISTER_NUMBER): Handle 64-bit.
3577         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3578         (LONG_TYPE_SIZE): Force to 32.
3579         (REG_PARM_STACK_SPACE): New.
3580         (OUTGOING_REG_PARM_STACK_SPACE): New.
3581         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3582         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3583         (STACK_BOUNDARY): Use 128 for 64-bit.
3584         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3585         Add 64-bit implementation.
3586         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3587         argument unused.
3588         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3589         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3590         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3591         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3592         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3593         TARGET_64BIT_MS_ABI.
3594         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3595         (ix86_pass_by_reference): Likewise.
3596         (ix86_function_value_regno_p): Likewise.
3597         (ix86_build_builtin_va_list): Likewise.
3598         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3599         (function_arg_advance_ms_64): New.
3600         (function_arg_advance): Call it.
3601         (function_arg_ms_64): New.
3602         (function_arg): Call it.
3603         (function_value_ms_64): New.
3604         (ix86_function_value_1): Call it.
3605         (return_in_memory_ms_64): New.
3606         (ix86_return_in_memory): Call it.
3607         (setup_incoming_varargs_ms_64): New.
3608         (ix86_setup_incoming_varargs): Call it.
3609         (ix86_expand_prologue): Handle 64-bit stack probing.
3610         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3611         (output_pic_addr_const): Likewise.
3612         (x86_this_parameter): Likewise.
3613         (x86_output_mi_thunk): Likewise.
3614         (x86_function_profiler): Likewise.
3615         (TARGET_STRICT_ARGUMENT_NAMING): New.
3616         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3617         (TARGET_64BIT_MS_ABI): New.
3618         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3619         * config/i386/i386.md (allocate_stack_worker): Remove.
3620         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3621         describe the clobber of eax without a match_scratch.
3622         (allocate_stack_worker_postreload): Remove.
3623         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3624         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3625         (allocate_stack_worker_rex64_postreload): Remove.
3626         (allocate_stack): Handle 64-bit.
3627         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3628         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3629         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3630         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3631         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3632         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3633         * config.build (x86_64-*-mingw*): New host.
3634         * config.host (x86_64-*-mingw*): New host.
3635         * config.gcc (x86_64-*-mingw*): New target.
3636         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3637
3638 2007-03-30  Richard Henderson  <rth@redhat.com>
3639             Kai Tietz  <kai.tietz@onevision.com>
3640
3641         * c-pragma.c (struct def_pragma_macro_value): New.
3642         (struct def_pragma_macro): New.
3643         (pushed_macro_table): New.
3644         (dpm_hash, dpm_eq): New.
3645         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3646         (init_pragma): Install them.
3647         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3648
3649 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3650
3651         * config/avr/avr.c (avr_override_options): Clear
3652         'flag_delete_null_pointer_checks'.
3653
3654 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3655
3656         PR c++/26099
3657         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3658         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3659         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3660         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3661         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3662         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3663         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3664         C++ extensions.
3665         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3666
3667 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3668
3669         * regmove.c: Move all of pass_stack_adjustments from here...
3670         * combine-stack-adj.c: ...to this new file.
3671         * Makefile.in: Add rules for combine-stack-adj.o.
3672
3673 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3674
3675         PR tree-optimization/31383
3676         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3677         to have the same length.
3678
3679 2007-03-30  Jan Hubicka  <jh@suse.cz>
3680
3681         PR middle-end/30700
3682         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3683         availablility; add more sanity checking; ask varpool only about
3684         VAR_DECL.
3685
3686 2007-03-29  Richard Henderson  <rth@redhat.com>
3687
3688         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3689         to decide, but __SIZEOF_LONG_LONG__.
3690
3691 2007-03-29  Richard Henderson  <rth@redhat.com>
3692
3693         * emutls.c (struct __emutls_array): New.
3694         (emutls_destroy): Use it instead of casting element 0 from void*.
3695         (__emutls_get_address): Likewise.
3696
3697 2007-03-29  Richard Henderson  <rth@redhat.com>
3698
3699         * varasm.c (initializer_constant_valid_p): Don't deny
3700         DECL_DLLIMPORT_P on functions.
3701
3702         * config/i386/cygming.h: Remove function declarations.
3703         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3704         (ASM_OUTPUT_LABELREF): Remove.
3705         (COMMON_ASM_OP): Remove.
3706         (ASM_OUTPUT_COMMON): Remove.
3707         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3708         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3709         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3710         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3711         Rename from TARGET_ENCODE_SECTION_INFO.
3712         * config/i386/netware.h: Likewise.
3713         * config/i386/i386-protos.h: Update.
3714         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3715         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3716         (legitimate_constant_p): Reject dllimports.
3717         (dllimport_map, get_dllimport_decl): New.
3718         (legitimize_dllimport_symbol): New.
3719         (legitimize_address, ix86_expand_move): Use it.
3720         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3721         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3722         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3723         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3724         * config/i386/predicates.md (constant_call_address_operand): Only
3725         accept symbols; reject dllimport_p symbols.
3726         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3727         i386_pe_maybe_record_exported_symbol.
3728         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3729         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3730         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3731         trust the setting of DECL_DLLIMPORT_P.
3732         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3733         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3734         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3735         tidy the argument scanning loop.
3736         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3737         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3738         (i386_pe_strip_name_encoding): Remove.
3739         (i386_pe_binds_local_p): New.
3740         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3741         (i386_pe_output_labelref): Remove.
3742         (i386_pe_asm_output_aligned_decl_common): New.
3743         (i386_pe_maybe_record_exported_symbol): Rename from
3744         i386_pe_record_exported_symbol; check for dllexported symbols.
3745
3746 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3747
3748         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3749         add comment explaining why vsnprintf cannot be used.
3750
3751 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3752
3753         PR tree-optimization/30666
3754         * tree.c (build_complex_type): When creating type names for DWARF2
3755         debug info, create TYPE_DECLs for TYPE_NAME instead of
3756         IDENTIFIER_NODEs.
3757         (build_common_tree_nodes_2): Use build_complex_type when building
3758         predefined complex types, to preserve canonical types.
3759
3760 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3761
3762         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3763         (noce_get_alt_condition): Look at it to determine whether to
3764         reverse the condition or not.
3765         (noce_get_condition): Substitute the truth for lies.
3766         (noce_find_if_block): Set the then_else_reversed field.
3767
3768 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3769
3770         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3771         destination of this insn.
3772         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3773         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3774         'address + 4' rather than a stack based temporary which can be
3775         mis-optimized away.
3776
3777 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3778
3779         * config/s390/s390.c (s390_secondary_input_reload_class,
3780         s390_secondary_output_reload_class): Functions removed.
3781         (s390_secondary_reload): New function.
3782         (TARGET_SECONDARY_RELOAD): Target macro defined.
3783         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3784         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3785         * config/s390/s390.md ("reload_outti", "reload_outdi",
3786         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3787         "reload_out<mode>"): Expanders removed.
3788         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3789         "reload<mode>_nonoffmem_out"): Expanders added.
3790
3791 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3792
3793         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3794         SRC->DEST replacement failed anyway.
3795
3796 2007-03-28  Mike Stump  <mrs@apple.com>
3797
3798         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3799         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3800         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3801
3802 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3803
3804         * config.gcc: Accept barcelona as a variant of amdfam10.
3805         * config/i386/i386.c (override_options): Likewise.
3806         * doc/invoke.texi: Likewise.
3807
3808 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3809
3810         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3811         offsets for BIT_FIELD_REF and COMPONENT_REF.
3812
3813 2007-03-28  Richard Guenther  <rguenther@suse.de>
3814
3815         * tree.c (is_global_var): Move ...
3816         * tree-flow-inline.h (is_global_var): ... here.
3817         * tree.h (is_global_var): Remove declaration.
3818
3819 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3820
3821         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3822         option.
3823         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3824         * config/i386/i386.c (ix86_tune_features): Initialize new
3825         tuning option.
3826         * config/i386/predicates.md (promotable_binary_operator): Use
3827         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3828
3829 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3830
3831         PR target/31380
3832         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3833
3834 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3835
3836         * config/fr30/fr30.md (movsi_internal): Change destination
3837         constraint from m to V and add m to the end.
3838
3839 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3840
3841         * config/sh/sh.md (movsi_i): Fix type attribute.
3842
3843 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3844
3845         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3846         (movsf_ie): Likewise.
3847
3848 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3849
3850         * config.gcc: Add sh4-300 to multilib.
3851         * config/sh/t-mlib-sh4-300: New file.
3852
3853 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3854
3855         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3856         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3857         fix_trunc<mode>di2.
3858         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3859         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3860         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3861         "fixuns_trunctddi2"): Whitespace fix.
3862
3863 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3864
3865         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3866         the definition of struct sh_args.
3867         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3868         CALL_COOKIE_INT_REG_GET): Likewise.
3869
3870 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3871
3872         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3873         transformations are applied successfully.
3874
3875 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3876
3877         * tree.c (tree_contains_struct): Permit 512 tree codes.
3878         * tree.h (tree_contains_struct): Ditto.
3879         (MAX_TREE_CODES): Ditto.
3880         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3881         SPARE member to store remaining padding bits.
3882
3883 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3884
3885         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3886         architecture.
3887
3888 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3889
3890         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3891         * configure: Regenerate.
3892
3893         * configure: Regenerate using the correct version of autoconf.
3894
3895 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3896
3897         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3898         pointer regs.
3899         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3900         regs to "__SP_L__" and "__SP_H__".
3901
3902 2007-03-27  Richard Guenther  <rguenther@suse.de>
3903
3904         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3905         computations with it with a HOST_WIDE_INT variable.
3906
3907 2007-03-26  Mike Stump  <mrs@apple.com>
3908
3909         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3910         objective-c-header, objective-c++-header and objc++-cpp-output
3911         support.
3912         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3913
3914 2007-03-26  Richard Henderson  <rth@redhat.com>
3915
3916         PR target/31361
3917         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3918         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3919         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3920         IX86_BUILTIN_PSRLQ128): New.
3921         (ix86_init_mmx_sse_builtins): Add them.
3922         (ix86_expand_builtin): Expand them.
3923         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3924         operand 2 be TImode.
3925         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3926         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3927         _mm_srli_epi64): Mark __B const.
3928         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3929         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3930         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3931         new two-vector shift builtins.
3932
3933 2007-03-26  Ian Lance Taylor  <iant@google.com>
3934
3935         PR tree-optimization/31345
3936         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3937         [+INF, +INF(OVF)] into VARYING.
3938
3939 2007-03-26  Zack Weinberg  <zackw@panix.com>
3940
3941         * gengtype-parse.c: New file.
3942         * gengtype-yacc.y: Delete.
3943         * gengtype-lex.l: Don't include gengtype-yacc.h.
3944         Define YY_DECL and yyterminate appropriately for recursive
3945         descent parser.  yylval is now a string out-parameter to yylex.
3946         (HWS, EOID): New shorthand.
3947         (IWORD): Add a couple more types.
3948         (yylex): Add a setup stanza.  Remove the complex rules for
3949         detecting GTY'ed types and typedefs; replace with simple
3950         keyword detectors.  Adjust everything for the changed
3951         definition of yylval.  Ignore all pp-directives, not just #define.
3952         (yyerror): Delete.
3953         (parse_file): Rename yybegin; do not call yyparse.
3954         (yyend): New.
3955         * gengtype.c (xasprintf): Export again.
3956         (this_file): New.  Use everywhere __FILE__ was being used.
3957         (get_lang_bitmap): Special case types defined in gengtype.c.
3958         (do_typedef, new_structure): Suppress definition of certain types.
3959         (new_structure): Improve diagnostics of duplicate definitions.
3960         Make sure location_s is associated with input.h.
3961         (nreverse_pairs, define_location_structures): New functions.
3962         (main): Improve tagging of kludge types.  Remove old kludges
3963         for input.h types; use define_location_structures.
3964         * gengtype.h: Update prototypes.  Define token codes here.
3965         * Makefile.in: Remove all references to gengtype-yacc.
3966         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3967         and gengtype.
3968         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3969         add GTY((skip)) to the field that's only conditionally there.
3970         * doc/install.texi: Document that Bison is no longer required
3971         unless building treelang.
3972
3973         * gengtype.c: Don't include gtyp-gen.h.
3974         (srcdir): Declare here.
3975         (base_files, lang_dir_names): Allocate dynamically.
3976         (gt_files, num_gt_files, num_lang_dirs): New globals.
3977         (measure_input_list, read_input_line, read_input_list)
3978         (set_lang_bitmap): New functions.
3979         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3980         simplify, relying on read_input_list to set up the bitmaps.
3981         (main): Arguments are no longer unused.  Check for correct number
3982         of command line arguments, set srcdir and srcdir_len, then call
3983         read_input_list, before doing anything else.  No need to worry
3984         about duplicates in main loop.
3985         * configure.ac: Simplify the calculation of all_gtfiles.
3986         Put language tags in there.  Don't set or substitute
3987         all_gtfiles_files_langs or all_gtfiles_files_frags.
3988         * Makefile.in: Revamp the way gengtype is invoked, now that it
3989         takes a file on its command line with a much simpler format.
3990         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3991         (GTFILES): Remove duplicates and C source files.
3992         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3993         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3994         * configure: Regenerate.
3995
3996         * gengtype.h: Remove all type definitions to gengtype.c; leave
3997         only definitions of options_p, type_p, and pair_p as opaque
3998         pointers.  Update prototypes.
3999         * gengtype.c: Many type definitions moved here from gengtype.h.
4000         Consolidate type definitions at the top of the file.
4001         (xvasprintf): Delete.
4002         (xasprintf): Make static.
4003         (create_nested_pointer_option): Add 'next' parameter.
4004         (create_field_all, create_field_at): New functions.
4005         (create_field): Now a thin wrapper around create_field_all.
4006         (create_optional_field): Rename create_optional_field_ and add
4007         line argument.  Original name is now a macro which supplies
4008         __LINE__.
4009         (oprintf): Use vsnprintf directly.
4010         (close_output_files): Use fatal rather than perror/exit.
4011         (note_def_vec, note_def_vec_alloc): Use create_field_at.
4012         (main): Set progname.  Don't use exit.
4013         * gengtype-yacc.y (struct_fields): Use create_field_at.
4014         (option, optionseqopt): Delete.
4015         (optionseq): Consolidate productions from option here so we
4016         can use the first argument to create_option.
4017
4018         * gengtype-lex.l: Distinguish unions from structures in the
4019         token type.  Don't call find_structure; return the tag as a string.
4020         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
4021         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
4022         Reorganize typedef_struct production accordingly.
4023         Use create_nested_ptr_option.
4024         * gengtype.c (create_nested_ptr_option): New function.
4025         * gengtype.h: Declare it.
4026
4027         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
4028         (string_type): Don't declare.
4029         (do_scalar_typedef): Declare.
4030         (create_scalar_type): Update prototype.
4031         * gengtype.c (string_type): Make static.
4032         (scalar_nonchar, scalar_char): New.
4033         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
4034         (resolve_typedef): Use scalar_nonchar for error recovery.
4035         (create_scalar_type): Remove name_len field.  Return scalar_char
4036         or scalar_nonchar as appropriate.
4037         (adjust_field_type): Look at scalar_is_char boolean to decide whether
4038         to use string_type.
4039         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
4040         whenever possible.
4041         (main): Initialize scalar_char and scalar_nonchar before calling
4042         gen_rtx_next.
4043         * gengtype-lex.l: Adjust for removal of second argument to
4044         create_scalar_type.  Use yylval.s instead of yylval.t when
4045         returning SCALAR.
4046         * gengtype-yacc.y: Type of SCALAR is string.  Call
4047         create_scalar_type from type:SCALAR rule.  Adjust for removal of
4048         second argument to create_scalar_type.
4049
4050         * vec.h: Remove all #if IN_GENGTYPE blocks.
4051         Add comment saying that changes may require adjustments to gengtype.
4052         * gengtype.c: Don't include coretypes.h or tm.h.
4053         Add comment to inclusion of errors.h.
4054         (note_def_vec, note_def_vec_alloc): New functions.
4055         * gengtype.h: Declare new functions.
4056         * gengtype-lex.l: Don't include coretypes.h.
4057         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
4058         Delete.
4059         (update_lineno): Remove unnecessary prototype.
4060         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
4061         (VEC rule): Just return VEC_TOKEN.
4062         * gengtype-yacc.y (VEC_TOKEN): New token type.
4063         (type): Add a production for VEC(a,b).
4064         * Makefile.in: Update dependencies.
4065
4066         * gengtype-lex.l: Remove rules for parsing pointer-to-function
4067         typedefs that use the old PARAMS macro.
4068
4069         * gengtype-lex.l: Remove all rules and states relating to yacc
4070         input files.
4071         * gengtype-yacc.y: Similarly.
4072         * gengtype.c (note_yacc_type): Delete function.
4073         * gengtype.h: Update prototypes.
4074
4075 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
4076
4077         * tree-pretty-print.c (dump_generic_node): Report precision of
4078         unnamed integer types.
4079
4080 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
4081
4082         * ifcvt.c (noce_try_store_flag_constants): Don't check
4083         no_new_pseudos here.
4084         (noce_try_store_flag_constants): Don't check no_new_pseudos.
4085         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
4086         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
4087         noce_try_sign_mask): Likewise.
4088         (if_convert): Check no_new_pseudos here.
4089
4090         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
4091         Remove prototypes.
4092         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
4093         (noce_get_condition): Handle new then_else_reversed argument.
4094         (noce_init_if_info): Remove, fold into noce_find_if_block.
4095         (noce_process_if_block): Take a struct noce_if_info as the
4096         argument.  Don't set up one based on ce_if_info.  Update pointer
4097         references accordingly.
4098         (cond_move_process_if_block): Likewise.
4099         (process_if_block): Removed.
4100         (find_if_block): Removed.  Move functionality two new functions,
4101         noce_find_if_block and cond_exec_find_if_block.
4102         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
4103         blocks and the symmetric IF-ELSE-JOIN case.
4104         (cond_exec_find_if_block): Also new function mostly based on old
4105         find_if_block and process_if_block.
4106         (find_if_header): Replace find_if_block call with separately
4107         guarded calls to noce_find_if_block and cond_exec_find_if_block.
4108         (find_cond_trap): Update noce_get_condition call.
4109         (dead_or_predicable): Likewise.
4110
4111 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
4112
4113         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
4114         Remove.
4115         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
4116         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
4117         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
4118         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
4119         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
4120         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
4121         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
4122         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
4123         __builtin_ia32_psrad128 builtins.
4124
4125 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
4126
4127         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
4128         * config/i386/constraints.md
4129         (define_constraint "I"): Use IN_RANGE macro.
4130         (define_constraint "J"): Ditto.
4131         (define_constraint "K"): Ditto.
4132         (define_constraint "M"): Ditto.
4133         (define_constraint "N"): Ditto.
4134         (define_constraint "O"): Ditto.
4135         * config/i386/predicates.md
4136         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
4137         (define_predicate "const_0_to_3_operand"): Ditto.
4138         (define_predicate "const_0_to_7_operand"): Ditto.
4139         (define_predicate "const_0_to_15_operand"): Ditto.
4140         (define_predicate "const_0_to_63_operand"): Ditto.
4141         (define_predicate "const_0_to_255_operand"): Ditto.
4142         (define_predicate "const_1_to_31_operand"): Ditto.
4143         (define_predicate "const_2_to_3_operand"): Ditto.
4144         (define_predicate "const_4_to_7_operand"): Ditto.
4145
4146 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4147
4148         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
4149         in SImode for save_world.
4150         * config/rs6000/altivec.md (save_world, restore_world): Convert to
4151         LR hard reg.
4152
4153 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
4154
4155         PR tree-optimization/30784
4156         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
4157         BIT_FIELD_REF.
4158
4159 2007-03-25  Revital Eres  <eres@il.ibm.com>
4160
4161         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
4162           Fold movement_possibility function into it.
4163
4164 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4165
4166         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
4167         (load_macho_picbase_{si,di}): Convert to LR hard reg.
4168         (call_indirect_nonlocal_darwin64): Same.
4169         (call_nonlocal_darwin64): Same.
4170         (call_value_indirect_nonlocal_darwin64): Same.
4171         (call_value_nonlocal_darwin64): Same.
4172         (sibcall_nonlocal_darwin64): Same.
4173         (sibcall_value_nonlocal_darwin64): Same.
4174         (sibcall_symbolic_64): Same.
4175         (sibcall_value_symbolic_64): Same.
4176         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
4177         LR pseudo.
4178         (rs6000_emit_load_toc_table): Same.
4179         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
4180         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
4181         (mull_call): Same.
4182         (divss_call): Same.
4183         (divus_call): Same.
4184         (quoss_call): Same.
4185         (quous_call): Same.
4186         (load_toc_v4_pic_si): Same
4187         (load_toc_v4_PIC_1): Same.
4188         (load_toc_v4_PIC_1b): Same.
4189         (call_indirect_aix{32,64}): Same.
4190         (call_value_indirect_aix{32,64}): Same.
4191         (call): Same.
4192         (call_value): Same.
4193         (call_local{32,64}): Same.
4194         (call_value_local{32,64}): Same.
4195         (call_indirect_nonlocal_aix{32,64}): Same.
4196         (call_nonlocal_aix{32,64}): Same.
4197         (call_value_indirect_nonlocal_aix{32,64}): Same.
4198         (call_value_nonlocal_aix{32,64}): Same.
4199         (call_indirect_nonlocal_sysv<mode>): Same.
4200         (call_nonlocal_sysv<mode>): Same.
4201         (call_value_indirect_nonlocal_sysv<mode>): Same.
4202         (call_value_nonlocal_sysv<mode>): Same.
4203         (sibcall): Same.
4204         (sibcall_local{32,64}): Same.
4205         (sibcall_value_local{32,64}): Same.
4206         (sibcall_nonlocal_aix{32,64}): Same.
4207         (sibcall_value_nonlocal_aix{32,64}): Same.
4208         (sibcall_nonlocal_sysv<mode>): Same.
4209         (sibcall_value): Same.
4210         (sibcall_value_nonlocal_sysv<mode>): Same.
4211
4212 2007-03-24  Paul Brook  <paul@codesourcery.com>
4213
4214         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
4215         * config/arm/linux-eabi.h: Remove legacy syscall hack.
4216
4217 2007-03-24  Richard Henderson  <rth@redhat.com>
4218
4219         * config/ia64/constraints.md: New file.
4220         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
4221         satisfies_constraint_?.
4222         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
4223         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
4224         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
4225         ia64_output_mi_thunk): Likewise.
4226         (ia64_const_ok_for_letter_p): Remove.
4227         (ia64_const_double_ok_for_letter_p): Remove.
4228         (ia64_extra_constraint): Remove.
4229         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
4230         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
4231         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
4232         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
4233         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
4234         EXTRA_MEMORY_CONSTRAINT): Remove.
4235         * config/ia64/ia64.md: Include constriants.md.  Replace
4236         CONST_OK_FOR_? with satisfies_constraint_?.
4237
4238 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
4239             H.J. Lu  <hongjiu.lu@intel.com>
4240
4241         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4242         DPD or BID name.
4243         (name macros): Use DPD_BID_NAME to convert names properly.
4244
4245         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4246         decimal floating point format.
4247         (init_floating_libfuncs): Change decimal functions so that they
4248         have a "bid_" prefix if the decimal system uses the BID format,
4249         and "dpd_" prefix if the decimal system uses the DPD format.
4250         (init_interclass_conv_libfuncs): Ditto.
4251         (init_intraclass_conv_libfuncs): Ditto.
4252
4253         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4254         using the BID format.
4255
4256         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4257         whether we are using the BID decimal format.
4258         * configure: Regenerate.
4259
4260         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4261         the compiler has decimal floating point enabled.  Define
4262         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4263         instead of DPD.
4264
4265         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4266         using the BID format.
4267
4268         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4269         whether we are using the BID decimal format.
4270         * configure: Regenerate.
4271
4272         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4273         the compiler has decimal floating point enabled.  Define
4274         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4275         instead of DPD.
4276
4277         * doc/install.texi (--enable-decimal-float): Document BID and DPD
4278         options, and that it is enabled for i386/x86_64 systems.
4279
4280         * Makefile.in (enable_decimal_float): New.
4281         (DECNUMFMT): New.
4282         (DECNUMINC): Add  -I$(DECNUMFMT).
4283         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4284         to $(DECNUMFMT) from $(DECNUM).
4285
4286         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4287         Substitute enable_decimal_float.
4288         * configure: Regenerated.
4289
4290         PR other/30529
4291         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4292         unsigned long.
4293
4294         * configure.ac: Enable decimal float for x86_64-*-linux*.
4295         * configure: Regenerated.
4296
4297         PR other/30530
4298         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4299         decimal128ClearSign to flip and clear the sign bit in decimal128.
4300         (decimal_real_maxval): Set decimal128SetSign to set the sign
4301         bit in decimal128.
4302
4303 2007-03-23  Ian Lance Taylor  <iant@google.com>
4304
4305         * fold-const.c (fold_binary): Correct warning for X - c >= X.
4306
4307 2007-03-23  Ian Lance Taylor  <iant@google.com>
4308
4309         * tree-dump.c (dump_files): Correct comment.
4310
4311 2007-03-23  Ian Lance Taylor  <iant@google.com>
4312
4313         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4314
4315 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4316
4317         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4318         in cfglayout mode.  Don't go into and out of cfglayout mode.
4319         Link the blocks in the order of the constructed traces.
4320         (rest_of_handle_tracer): Adjust call to tracer.
4321         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4322         Don't go into cfglayout mode.
4323         (rtl_loop_done): Don't go out of cfglayout mode.
4324         * cfglayout.c (relink_block_chain): New function, split out from...
4325         (fixup_reorder_chain): ...here.  Remove redundant checking.
4326         (cfg_layout_finalize): Don't clear the header, footer, and aux
4327         fields here, move the code to do so to relink_block_chain.  Likewise
4328         for free_original_copy_tables.
4329         * rtl.h (tracer): Update prototype.
4330         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4331         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4332         mode.  Use relink_block_chain to serialize the CFG according to the
4333         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4334         here...
4335         (gate_handle_reorder_blocks): ...to here.
4336         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4337         from here...
4338         (gate_duplicate_computed_gotos): ...to here.
4339         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4340         something always changes when going into and out of cfglayout mode.
4341         Perform an expensive cfg cleanup while going into cfglayout mode.
4342         Always update liveness information on HAVE_conditional_execution
4343         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4344         * reg-stack.c: Include cfglayout.h.
4345         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4346         the call to reorder_basic_blocks.
4347         * basic-block.h (reorder_basic_blocks): Update prototype.
4348         (relink_block_chain): New prototype.
4349         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4350
4351 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4352
4353         * config/mips/mips.md (type, hazard, *movdi_32bit,
4354         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4355         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4356         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4357         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4358         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4359         applicable.
4360         (movcc): Change first xfer to multi.
4361         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4362         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4363         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4364         config/mips/generic.md: Change reservations using "xfer" to use
4365         "mfc,mtc".
4366         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4367         using match_operand.
4368         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4369         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4370         examining mode.
4371         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4372
4373 2007-03-22  Richard Henderson  <rth@redhat.com>
4374
4375         * config/i386/i386.c: Remove unnecessary function declarations.
4376         Move targetm definition, and all related macros, to the end of
4377         the file.  Resort some functions to put definitions before uses.
4378         (ix86_attribute_table): Make static.  Move to end of file.
4379         (ix86_gimplify_va_arg): Make static.
4380
4381 2007-03-22  Richard Henderson  <rth@redhat.com>
4382
4383         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4384         don't increase local_regparm with force_align_arg_pointer check.
4385         (ix86_function_sseregparm): Assert 32-bit.
4386         (type_has_variadic_args_p): New.
4387         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4388         type_has_variadic_args_p.
4389         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4390         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4391         use memset instead.  Do maybe_vaarg check first; skip attribute
4392         tests if true; skip attribute tests for 64-bit.
4393         (construct_container): Remove TARGET_DEBUG_ARG.
4394         (function_arg_advance_32, function_arg_advance_64): Split out ...
4395         (function_arg_advance): ... from here.
4396         (function_arg_32, function_arg_64): Split out ...
4397         (function_arg): ... from here.
4398         (ix86_pass_by_reference): Tidy.
4399         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4400         (function_value_32): New, from parts of ix86_function_value
4401         and ix86_value_regno.
4402         (function_value_64): New, from parts of ix86_function_value
4403         and ix86_libcall_value.
4404         (ix86_function_value_1): New.
4405         (ix86_function_value, ix86_libcall_value): Use it.
4406         (return_in_memory_32, return_in_memory_64): Split out ...
4407         (ix86_return_in_memory): ... from here.
4408         (ix86_struct_value_rtx): Skip for 64-bit.
4409         (ix86_libcall_value, ix86_value_regno): Remove.
4410         (setup_incoming_varargs_64): Split out ...
4411         (ix86_setup_incoming_varargs): ... from here.
4412         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4413         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4414         * config/i386/i386-protos.h (ix86_function_value): Remove.
4415         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4416
4417 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4418
4419         PR other/23572
4420         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4421         infinities not supported, otherwise emit warning if -Woverflow. On
4422         underflow, emit warning if -Woverflow.
4423         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4424         and 0 otherwise.
4425         * real.h (real_from_string): Update declaration
4426
4427 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4428             Richard Henderson  <rth@redhat.com>
4429
4430         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4431         * calls.c (compute_argument_block_size, expand_call,
4432         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4433         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4434         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4435         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4436         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4437         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4438         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4439         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4440         Set to 1.
4441
4442 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4443
4444         * c-incpath.c (add_sysroot_to_chain): New.
4445         (merge_include_chains): Add sysroot argument.  Call
4446         add_sysroot_to_chain if sysrooted.
4447         (register_include_chains): Update call to merge_include_chains.
4448         * doc/cppopts.texi: Document use of '=' in include directory
4449         arguments.
4450
4451 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4452
4453         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4454         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4455         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4456         insn pattern using X87MODEF12 mode macro.
4457
4458 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4459
4460         * regmove.c (regmove_optimize): Use reg_mentioned_p
4461         instead of reg_overlap_mentioned_p for DST.
4462
4463 2007-03-21  Mike Stump  <mrs@apple.com>
4464
4465         * c.opt: Fixup for Objective-C/C++.
4466
4467 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4468
4469         * explow.c (convert_memory_address): Fold memory reference when
4470         POINTERS_EXTEND_UNSIGNED < 0
4471
4472 2007-03-21  Richard Henderson  <rth@redhat.com>
4473
4474         PR target/31245
4475         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4476         * config/i386/mmintrin.h (__m64): Likewise.
4477         * config/i386/xmmintrin.h (__m128): Likewise.
4478
4479 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4480
4481         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4482         (VXWORKS_OS_CPP_BUILTINS): Define.
4483         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4484         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4485
4486 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4487
4488         * rtl.h (constant_pool_reference_p): Delete.
4489         (find_constant_src): Declare.
4490         * rtlanal.c (find_constant_src): New function.
4491         * simplify-rtx.c (constant_pool_reference_p): Delete.
4492         * config/i386/i386.md: Use find_constant_src instead of
4493         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4494
4495 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4496
4497         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4498         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4499
4500 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4501
4502         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4503         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4504         (arm_elf_asm_constructor): Use it.
4505         (arm_elf_asm_destructor): New function.
4506
4507 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4508
4509         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4510
4511 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4512
4513         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4514
4515 2007-03-19  Andrew Haley  <aph@redhat.com>
4516
4517         PR tree-optimization/31264
4518         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4519         VIEW_CONVERT_EXPRs.
4520
4521 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4522
4523         PR rtl-optimization/30907
4524         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4525         (fwprop_init): Always call loop_optimizer_initialize.
4526         (fwprop_done): Always call loop_optimizer_finalize.
4527         (fwprop): We always have loop info now.
4528         (gate_fwprop_addr): Remove.
4529         (pass_fwprop_addr): Use gate_fwprop as gate.
4530
4531         PR rtl-optimization/30841
4532         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4533         df_chain_alloc): Call df_reorganize_refs unconditionally.
4534         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4535         refs_organized to refs_organized_size.
4536         (df_ref_create_structure): Use refs_organized_size instead of
4537         bitmap_size if refs had been organized, and keep refs_organized_size
4538         up-to-date.
4539         * df.h (struct df_ref_info): Change refs_organized to
4540         refs_organized_size.
4541         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4542         bitmap_size.
4543
4544 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4545
4546         * except.c (output_function_exception_table): Do not reference the
4547         EH personality routine for functions that do not require an
4548         exception table.
4549
4550 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4551
4552         PR c/30762
4553         * c-typeck.c (convert_for_assignment): Call comptypes for
4554         RECORD_TYPE or UNION_TYPE.
4555
4556         PR inline-asm/30505
4557         * reload1.c (reload): Do invalid ASM checking after
4558         cleanup_subreg_operands.
4559
4560 2007-03-19  Jeff Law  <law@redhat.com>
4561
4562         * tree-cfg.c (find_taken_edge): Tighten conditions for
4563         optimizing computed gotos.
4564
4565 2007-03-19  Michael Matz  <matz@suse.de>
4566
4567         * builtins.c (expand_builtin_sync_operation,
4568         expand_builtin_compare_and_swap,
4569         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4570         correctly.
4571
4572         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4573         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4574         for operand 3.
4575
4576 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4577
4578         * doc/tm.texi: Add brackets around the return type of
4579         TARGET_SECONDARY_RELOAD.
4580
4581 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4582         Richard Guenther  <rguenther@suse.de>
4583
4584         PR tree-optimization/31254
4585         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4586         Use handled_component_p () where appropriate.  Continue
4587         propagating into the rhs if we propagated into an INDIRECT_REF
4588         on the lhs.
4589
4590 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4591
4592         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4593         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4594         (xde, xdee): Mode attributes adjusted to support DFP modes.
4595         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4596         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4597         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4598         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4599         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4600         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4601         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4602         numbers.
4603         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4604         "movsf"): Insn definitions removed.
4605         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4606         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4607         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4608         definitions added.
4609         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4610         "reload_in<mode>", "reload_out<mode>"): Expander added.
4611         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4612         Expander removed.
4613
4614 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4615
4616         * config/s390/s390.md: Only non-functional changes.  Renamed
4617         FPR mode macro to BFP all over the file.
4618
4619 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4620
4621         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4622         (op_type attribute): RRF instruction type added.
4623         (fT0): New mode attribute.
4624         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4625         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4626         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4627         no secondary memory is needed when moving DFmode values between GPRs
4628         and FPRs.
4629
4630 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4631
4632         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4633         inverted and documentation adjusted.
4634         ("mhard-dfp", "msoft-dfp"): New options.
4635         * config/s390/s390.c (s390_handle_arch_option): New architecture
4636         switch: z9-ec.
4637         (override_options): Sanity checks for the new options added.
4638         * config.gcc: New architecture switch: z9-ec.
4639         * config/s390/s390.h (processor_flags): PF_DFP added.
4640         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4641         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4642         when the bit is NOT set so remove it from the defaults.
4643
4644 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4645
4646         * genemit.c (main): Print include statement for dfp.h.
4647         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4648         is not available.
4649
4650 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4651
4652         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4653
4654 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4655
4656         PR target/31022
4657         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4658         instead of PATTERN.
4659
4660 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4661
4662         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4663         attr_length_call, output_call, output_indirect_call): Cleanup
4664         formatting of targetm calls.
4665
4666 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4667
4668         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4669
4670 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4671
4672         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4673         reservation, bypass and anti-bypass descriptions for these instructions.
4674         Update move patterns.
4675         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4676         TYPE_FPSTORE.
4677
4678 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4679
4680         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4681         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4682         (get_initial_def_for_reduction): Likewise.
4683
4684 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4685
4686         Fix PR tree-optimization/29922
4687         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4688         (get_representative): Removed.
4689         (value_dies_in_block_x): Update for rvuse removal.
4690         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4691         (compute_antic_aux): Handle when PHI nodes appear in
4692         non-single-successors.
4693         (dump_bitmap_of_names): Removed.
4694         (compute_antic_safe): Renamed and removed rvuse calculation.
4695         Calculate only antic safe.
4696         (insert_into_preds_of_block): Remove assert.
4697         (execute_pre): Update for renamed functions.
4698         (defer_or_phi_translate_block): New function.
4699
4700 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4701
4702         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4703         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4704         typos.
4705         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4706         Follow spelling conventions.
4707
4708         * tree-data-ref.h: Remove the prototype for analyze_array.
4709
4710 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4711
4712         PR tree-optimization/31041
4713         * tree-vect-transform.c (get_initial_def_for_induction): Call
4714         force_gimple_operand.
4715
4716 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4717
4718         * ipa-type-escape.c (look_for_casts) : Revert code to use
4719         handled_component_p due to ada test a-numaux.adb.
4720
4721 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4722
4723         * final.c (final_scan_insn): Alter the condition of a
4724         conditional trap if we have nonstandard CC.
4725
4726 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4727
4728         * configure.ac: Remove excess quoting from asm line 0 test.
4729         * configure: Rebuilt.
4730
4731 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4732
4733         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4734         * c-common.c (convert_and_check): Move warning logic to...
4735         (warnings_for_convert_and_check): ...here. Define.
4736         * c-common.h (warnings_for_convert_and_check): Declare.
4737
4738 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4739
4740         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4741         (output_call): Likewise.
4742
4743 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4744
4745         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4746
4747 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4748
4749         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4750
4751 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4752
4753         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4754         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4755
4756 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4757
4758         PR tree-optimization/31183
4759         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4760         Use double_int instead of unsigned int for representing access_strides.
4761         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4762
4763 2007-03-16  Richard Guenther  <rguenther@suse.de>
4764
4765         PR tree-optimization/31146
4766         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4767         to allow recursion of forward_propagate_addr_expr.
4768         (forward_propagate_addr_into_variable_array_index): Likewise.
4769         (forward_propagate_addr_expr): Likewise.
4770         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4771         (forward_propagate_addr_expr_1): Recurse on simple copies
4772         instead of propagating into them.  Do so for useless conversions
4773         as well.
4774         (forward_propagate_addr_expr): Clean up unused statements after
4775         recursion.
4776
4777 2007-03-16  Richard Guenther  <rguenther@suse.de>
4778
4779         * builtins.c (expand_builtin_cexpi): Use the right argument
4780         for the expansion via cexp.
4781
4782 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4783
4784         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4785         * configure: Rebuilt.
4786
4787 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4788
4789         PR debug/29906
4790         * dwarf2out.c (force_type_die): Adjust comment.
4791         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4792
4793 2007-03-15  DJ Delorie  <dj@redhat.com>
4794
4795         * config/frv/predicates.md (minmax_operator): Don't check operands
4796         here.
4797
4798 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4799
4800         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4801         Update constant estimates of number of iterations.
4802         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4803         argument renamed to "realistic".
4804         (compute_estimated_nb_iterations): Removed.
4805         (record_niter_bound): New function.
4806         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4807         call record_nonwrapping_iv with upper = false.
4808         (infer_loop_bounds_from_signedness): Pass upper argument to
4809         record_nonwrapping_iv.
4810         (estimate_numbers_of_iterations_loop): Do not call
4811         compute_estimated_nb_iterations.  Record estimate based on profile
4812         information.  Initialize the constant estimates of number of
4813         iterations.
4814         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4815         estimates.
4816         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4817         number of iterations is too small.
4818         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4819         (EST_NOT_AVAILABLE): Removed.
4820         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4821         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4822         fields.
4823
4824 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4825
4826         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4827         Handle NE_EXPR guards.
4828
4829 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4830
4831         PR c++/24924
4832         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4833         Set also -pedantic-errors by default for the  preprocessor unless
4834         -fpermissive is given.
4835
4836 2007-03-15  Richard Guenther  <rguenther@suse.de>
4837
4838         PR middle-end/29719
4839         PR middle-end/31161
4840         * builtins.c (expand_builtin_cexpi): As a fallback if we
4841         don't have builtins for sincos or cexp create a function
4842         declaration for cexp and expand to a call to that.
4843         (expand_builtin_int_roundingfn): Always fall
4844         back to floor/ceil and its variants even if they may be
4845         not available.
4846
4847 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4848
4849         PR middle-end/31159
4850         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4851         jump tables, move the call to delete_dead_jumptables from here...
4852         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4853         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4854         don't allow merging of blocks that try_redirect_by_replacing_jump
4855         also does not handle when not optimizing.
4856
4857 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4858             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4859
4860         * config/i386/i386.md (x86_sahf_1): Correctly handle
4861         HAVE_AS_IX86_SAHF.
4862
4863 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4864
4865         PR target/31167
4866         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4867         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4868         from operand constraints and use "e" constraint instead.
4869         (*subti3_1, *subti3_1 splitter): Ditto.
4870         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4871         operand[1] predicate.
4872
4873 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4874
4875         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4876         arrays, multiply the access strides by the size of the sub-array.
4877         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4878
4879 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4880
4881         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4882         the configured assembler supports the sahf mnemonic.
4883         * configure: Regenerate.
4884         * config.in: Regenerate.
4885
4886         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4887         emit "sahf" or ".byte\t0x9e" as asm template.
4888
4889 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4890
4891         PR 31018
4892         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4893         option to replace hard coded TARGET_xxx in md file.
4894         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4895         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4896         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4897         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4898         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4899         (X86_TUNE_NOT_VECTORMODE): Ditto.
4900         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4901         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4902         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4903         (TUNE_SLOW_IMUL_IMM8): Ditto.
4904         (TUNE_MOVE_M1_VIA_OR): Ditto.
4905         (TUNE_NOT_UNPAIRABLE): Ditto.
4906         (TUNE_NOT_VECTORMODE): Ditto.
4907
4908         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4909         options.
4910
4911         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4912         tuning options instead of hard coded TARGET_xxx.
4913         (fix ssemode peephole2's): Ditto.
4914         (imul peephole2's): Ditto.
4915         (movsi_or): Ditto.
4916         (movdi_or_rex64): Ditto.
4917         (move peephole2): Ditto.
4918         (not peephole2's): Ditto.
4919
4920 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4921
4922         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4923         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4924         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4925         of empty body.
4926         * c-parser.c (c_parser_do_statement): Warn about empty body in
4927         do/while statement.
4928         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4929         * doc/invoke.texi (-Wempty-body): Update documentation.
4930
4931 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4932
4933         PR c/21438
4934         * c-common.h (warn_for_div_by_zero): Declare.
4935         * c-common.c (warn_for_div_by_zero): Define.
4936         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4937         warning.
4938
4939 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4940
4941         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4942         to PREFIX and STANDARD_PREFIX.
4943
4944 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4945             Phil Edwards  <phil@codesourcery.com>
4946
4947         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4948         (__gthread_once_t): Remove busy field for RTPs.
4949         (__GTHREAD_ONCE_INIT): Update accordingly.
4950
4951 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4952
4953         * doc/invoke.texi: Document VxWorks options.
4954
4955 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4956
4957         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4958
4959 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4960
4961         PR tree-optimization/30590
4962         * tree-nrv.c (tree_nrv): Check for the partial update of the
4963         return value.
4964
4965 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4966
4967         * flags.h (flag_random_seed): Remove declaration, in favor of...
4968         * toplev.h (get_random_seed, set_random_seed): ... these.
4969         * tree.c (get_file_function_name): Use the former.
4970         * opts.c (common_handle_option): Use the latter.
4971         * toplev.c
4972
4973 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4974
4975         PR middle-end/31127
4976         * cse.c (cse_find_path): Do not bail out if a basic block that
4977         we already visited now becomes part of a path that starts at a
4978         different basic block.  Just disallow this, to make sure we
4979         visit each basic block at most once.
4980
4981 2007-03-13  Jan Hubicka  <jh@suse.cz>
4982
4983         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4984         when profile esitmate is present, calls with very low frequency are
4985         cold.
4986
4987 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4988
4989         PR tree-optimization/30730
4990         PR tree-optimization/26900
4991         * tree-ssa-loop-niter.c: Include gmp.h.
4992         (bounds): New type.
4993         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4994         split_to_var_and_offset, determine_value_range,
4995         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4996         bound_difference, bounds_add, bounds_negate,
4997         number_of_iterations_ne_max, dump_affine_iv): New functions.
4998         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4999         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
5000         difference of initial and final value of control iv to validate
5001         results.
5002         (number_of_iterations_cond): Add loop parameter.  Determine bounds
5003         on the difference of the extremes of the control iv.  Add dumps.
5004         (expand_simple_operations): Handle phi nodes.
5005         (simplify_using_initial_conditions): Do not record used conditions.
5006         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
5007         Do not set additional_info.
5008         (implies_nonnegative_p, implies_ge_p): Removed.
5009         (derive_constant_upper_bound): Do not use parameter `additional'.
5010         (record_estimate): Parameter `additional' removed.  Parameter
5011         `i_bound' added.  Do not call derive_constant_upper_bound.
5012         (record_nonwrapping_iv): Use derive_constant_upper_bound to
5013         bound the number of iterations estimate.
5014         (estimate_numbers_of_iterations_loop): Pass the estimate from
5015         the number of iterations analysis to record_estimate.
5016         * tree.h (multiple_of_p): Declare.
5017         * tree-scalar-evolution.c (expression_expensive_p): Removed.
5018         (scev_const_prop): Do not check expression_expensive_p.
5019         * fold-const.c (multiple_of_p): Exported.
5020         * double-int.c (double_int_mask): Exported.
5021         * double-int.h (double_int_mask): Declare.
5022         * tree-flow.h (struct tree_niter_desc): Removed additional_info
5023         field.  Added max field.
5024
5025 2007-03-13  David Taylor  <taylor@candd.org>
5026
5027         PR driver/12448:
5028         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
5029         default -MQ.
5030
5031 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5032
5033         PR target/31123
5034         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
5035         two unamed patterns.
5036
5037 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
5038
5039         * config/i386/i386.opt (mcx16, msahf): New options.
5040         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
5041         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
5042
5043         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
5044         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
5045         Output -mcx16 and -msahf options when corresponding bit is set.
5046
5047         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
5048         and -msahf options.
5049
5050 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
5051
5052         * configure.ac: Test for assembler tolerance to # 0 "".
5053         * configure, config.in: Rebuilt.
5054         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
5055
5056 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
5057
5058         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
5059
5060         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
5061         (handle_syscall): Handle direct system calls.
5062         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
5063
5064 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5065
5066         * doc/invoke.texi: Fix cpp.info cross-reference.
5067         * doc/passes.texi: Fix gcc.info cross-reference.
5068
5069 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
5070
5071         PR tree-optimization/30835
5072         * lambda-code.c (can_convert_to_perfect_nest): Check whether
5073         bb_for_stmt is not NULL before accessing it.
5074
5075 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
5076
5077         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
5078         some multilibs.
5079
5080 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5081
5082         PR 30635
5083         * doc/install.texi: Document --enable-stage1-languages
5084
5085 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
5086
5087         * tree-pass.h (pass_into_cfg_layout_mode,
5088         pass_outof_cfg_layout_mode): Declare.
5089         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
5090         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
5091         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
5092         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
5093
5094 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
5095
5096         * c-decl.c (warn_variable_length_array): New function.
5097         Refactored from grokdeclarator to handle warn_vla
5098         and handle unnamed array case.
5099         (grokdeclarator): Refactored VLA warning case.
5100         * c.opt (Wvla): New flag.
5101         * doc/invoke.texi (Wvla): New warning.
5102
5103 2007-03-12  Richard Henderson  <rth@redhat.com>
5104
5105         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
5106         (TARGET_SECTION_TYPE_FLAGS): New.
5107
5108 2007-03-12  Richard Henderson  <rth@redhat.com>
5109
5110         * config/darwin.c (machopic_reloc_rw_mask): New.
5111         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
5112         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
5113
5114 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
5115
5116         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
5117         * cppdefault.h (cpp_PREFIX): Document.
5118         (cpp_PREFIX_len): Likewise.
5119         (cpp_EXEC_PREFIX): New variable.
5120         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
5121         * c-incpath.c (add_standard_paths): Correct logic for relocating
5122         paths within prefix.
5123
5124 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
5125
5126         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
5127         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
5128         mode macro.
5129         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
5130         fix_truncdfdi_sse using SSEMODEF mode macro.
5131         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
5132         fix_truncdfsi_sse using SSEMODEF mode macro.
5133         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
5134         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
5135
5136 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
5137
5138         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
5139         elfos.h to tm_file.
5140
5141 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
5142
5143         * tree.h : Add multiple_of_p declaration.
5144         * fold-const.c (multiple_of_p): Make multiple_of_p public.
5145         * ipa-type-escape.c (results_of_malloc): Redundant.
5146         (visited_stmts): New. Visited stmt for walk_use_def_chains.
5147         (cast_type): Extended with new members.
5148         (check_cast): Returns cast_type.
5149         (cast): New structure for data of walk_use_def_chains.
5150         (is_malloc_result, is_cast_from_non_pointer_1,
5151         is_cast_from_non_pointer,
5152         is_array_access_through_pointer_and_index): New functions.
5153         (look_for_casts): Returns cast types.
5154         (check_call): Returns void.
5155         (okay_pointer_operation): Use support of pointer plus index,
5156         pointer plus constant and allow all multiplications.
5157
5158 2007-03-11  Richard Guenther  <rguenther@suse.de>
5159
5160         PR tree-optimization/31115
5161         * tree-vrp.c (extract_range_from_binary_expr): Make sure
5162         the shift count is positive and non-anti-range for RSHIFT_EXPR.
5163         A shift count of zero is not special as with *_DIV_EXPR.
5164         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
5165         direction.
5166
5167 2007-03-11  Ian Lance Taylor  <iant@google.com>
5168
5169         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
5170         the *_DIV_EXPR codes correctly with overflow infinities.
5171
5172 2007-03-11  Ira Rosen  <irar@il.ibm.com>
5173
5174         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
5175         indicate success/failure of the analysis. Add negation to subtrahend
5176         in case of subtraction. Fail if both operands contain constants.
5177         (create_data_ref): Fail if analyze_offset fails.
5178
5179 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
5180
5181         * config/i386/i386.md (frndintxf2): Rename to ...
5182         (rintxf2): ... this. Remove expander having same name.
5183         (rintsf2, rintdf2): Implement using SSEMODEF macro.
5184         (roundsf2, rounddf2): Ditto.
5185         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
5186         (lround<mode>di2, lround<mode>si2): Ditto.
5187
5188 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
5189
5190         * lower-subreg.c: Include except.h.
5191         (decompose_multiword_subregs): Verify that the only control flow
5192         insns we can split are loads to multi-words pseudos.
5193         Handle breaking such blocks after splitting, instead of calling
5194         find_many_sub_basic_blocks.
5195
5196         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
5197         on the new basic block.  Add a lengthy comment explaining why we
5198         thought this was necessary.
5199         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
5200
5201 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
5202
5203         PR c++/30924
5204         * tree.c (walk_type_fields): Recurse into the element type of
5205         ARRAY_TYPEs if there is a pointer set.
5206
5207 2007-03-10  Dirk Mueller  <dmueller@suse.de>
5208
5209         * c-common.c (warn_logical_operator): Fix condition.
5210
5211 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
5212
5213         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
5214         quotation mark.
5215         * config/darwin.c (machopic_select_section): Remove superfluous
5216         argument in call to categorize_decl_for_section.  Remove unused
5217         variable shlib.
5218
5219 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
5220
5221         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
5222         defined.
5223         * configure: Regenerate.
5224
5225 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
5226
5227         PR target/31101
5228         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
5229         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
5230         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
5231         Add LABEL_NUSES to emitted label.
5232         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
5233         branch probability value to emitted jump insn.
5234         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
5235         Do not check life information and do not re-arrange input operands
5236         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5237
5238 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5239
5240         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5241         the change of decode_asm_operands.
5242
5243 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5244
5245         * mode-switching.c (create_pre_exit): Skip blockage insn.
5246
5247 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
5248
5249         * tree-pass.h (TODO_update_smt_usage): Remove.
5250         Update all users.
5251         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5252         argument SOME.
5253         Update all users.
5254
5255 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5256
5257         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5258         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5259         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
5260         SOM target.
5261
5262 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
5263
5264         * gcc.c: Document %{, in big comment at top.
5265         (input_suffix_matches): Remove special handling for .s and
5266         .S.
5267         (input_spec_matches): New.
5268         (handle_braces): Handle %{,.
5269         (validate_switches): ',' indicates a value which is not a switch.
5270         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5271         to detect assembler input.
5272         * config/i386/sol2.h (CPP_SPEC): Likewise.
5273         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5274         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5275         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5276         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5277         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5278         -m64 causes deployment target to default to 10.5.
5279         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5280
5281 2007-03-09  Richard Henderson  <rth@redhat.com>
5282
5283         PR target/26090
5284         * target.h (targetm.asm.out.reloc_rw_mask): New.
5285         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5286         (TARGET_ASM_OUT): Use it.
5287         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5288         * varasm.c (categorize_decl_for_section): Remove shlib argument;
5289         use the new reloc_rw_mask target hook instead.
5290         (default_section_type_flags_1): Merge into...
5291         (default_section_type_flags): ... here.
5292         (decl_readonly_section_1): Merge into...
5293         (decl_readonly_section): ... here.
5294         (default_elf_select_section_1): Merge into...
5295         (default_elf_select_section): ... here.
5296         (default_unique_section_1): Merge into...
5297         (default_unique_section): ... here.
5298         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5299         (default_select_rtx_section): Use it.
5300         (default_elf_select_rtx_section): Likewise.
5301         * output.h: Update to match.
5302         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5303         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5304         (TARGET_ASM_RELOC_RW_MASK): New.
5305         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5306         to categorize_decl_for_section.
5307         (x86_64_elf_unique_section): Likewise.
5308         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5309         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5310         (TARGET_ASM_RELOC_RW_MASK): New.
5311         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5312         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5313         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5314         (TARGET_RWRELOC): Remove.
5315         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5316         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5317         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5318         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5319         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5320         (rs6000_xcoff_select_section): Use decl_readonly_section.
5321         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5322         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5323         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5324         (TARGET_SECTION_TYPE_FLAGS): Remove.
5325         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5326
5327 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5328
5329         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5330         complex constant equality/inequality comparisons for here.
5331         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5332         known at compile-time or can be simplified to a scalar comparison.
5333         (fold_relational_const): Move compile-time evaluation of complex
5334         constant equality/inequality comparisons to here.
5335
5336 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5337
5338         PR rtl-optimization/30643
5339         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5340         dest_addr_elt.
5341         (fold_rtx): Recurse, like before 2006-11-03.
5342
5343 2007-03-09  DJ Delorie  <dj@redhat.com>
5344
5345         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5346         m32c-pragma.o.
5347
5348 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5349
5350         PR tree-optimization/30375
5351         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5352         LHS of statements is not the same.
5353         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5354
5355 2007-03-09  Chao-ying Fu  <fu@mips.com>
5356
5357         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5358         REV 2.
5359         * doc/invoke.texi (-mdspr2): Document new option.
5360         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5361         New unspec for DSP REV 2.
5362         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5363         these instructions are extended in DSP REV 2.
5364         (mips-dspr2.md): Include.
5365         * config/mips/mips.opt (mdspr2): New option.
5366         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5367         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5368         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5369         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5370         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5371         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5372         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5373         and 2 builtins.
5374         (bdesc_map): Add one field of unsupported_target_flags.
5375         (bdesc_arrays):  Update entries to have extra fields.  Add
5376         dsp_32only_bdesc.
5377         (mips_init_builtins): Initialize new function types.
5378         Check unsupported_target_fileds to filter out builtins.
5379         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5380         TARGET_DSPR2.
5381         (ASM_SPEC): Pass mdspr2 to the assembler.
5382         * config/mips/mips-dspr2.md: New file.
5383
5384 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5385
5386         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5387
5388 2007-03-09  Ian Lance Taylor  <iant@google.com>
5389
5390         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5391         argument) like -Wstrict-overflow=2.
5392         * doc/invoke.texi (Warning Options): Update documentation.
5393
5394 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5395
5396         PR c++/17946
5397         * doc/invoke.texi (-Wlogical-op): Document.
5398         * common.opt (-Wlogical-op): New.
5399         * c-common.h (warn_logical_operator): Declare.
5400         * c-common.c (warn_logical_operator): Define.
5401         * c-typeck.c (parser_build_binary_op): Call
5402         warn_logical_operator.
5403
5404 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5405
5406         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5407         * final.c (final_scan_insn): Test for non-"" file name.
5408
5409 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5410
5411         * doc/loop.texi: Document the Omega linear constraints solver.
5412         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5413         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5414         omega-hash-table-size, omega-max-keys, and
5415         omega-eliminate-redundant-constraints.
5416         * tree-pass.h (pass_check_data_deps): Declared.
5417         * omega.c: New.
5418         * omega.h: New.
5419         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5420         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5421         pass_check_data_deps): New.
5422         * tree-data-ref.c (init_data_ref): Remove declaration.
5423         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5424         (analyze_array): Renamed init_array_ref, move up initializations.
5425         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5426         Removed arguments that are set to NULL.
5427         (analyze_indirect_ref): Correct indentation, correct call to
5428         init_pointer_ref.
5429         (object_analysis): Call init_array_ref instead of analyze_array.
5430         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5431         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5432         of DR_ACCESS_FNS_ADDR.
5433         (init_omega_eq_with_af, omega_extract_distance_vectors,
5434         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5435         ddr_consistent_p): New.
5436         (compute_affine_dependence): Check consistency of ddrs when
5437         flag_check_data_deps is passed.
5438         (analyze_all_data_dependences): Uncomment.
5439         (tree_check_data_deps): New.
5440         * tree-data-ref.h: Include omega.h.
5441         (DR_ACCESS_FNS_ADDR): Removed.
5442         (data_dependence_relation): Add inner_loop.
5443         (DDR_INNER_LOOP): New.
5444         * common.opt (fcheck-data-deps): New.
5445         * tree-flow.h (tree_check_data_deps): Declare.
5446         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5447         (OBJS-common): Depend on omega.o.
5448         (omega.o): Define.
5449         * passes.c (pass_check_data_deps): Scheduled.
5450         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5451         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5452         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5453         PARAM_VECT_MAX_VERSION_CHECKS,
5454         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5455
5456 2007-03-09  Richard Guenther  <rguenther@suse.de>
5457
5458         PR tree-optimization/30904
5459         PR middle-end/31058
5460         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5461         the same way as *_DIV_EXPR.
5462
5463 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5464
5465         * recog.c (decode_asm_operands): No mixed declarations and code.
5466
5467 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5468
5469         * rtl.def (ASM_INPUT): Add location.
5470         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5471         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5472         (decode_asm_operands): Add loc operand.
5473         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5474         * stmt.c (expand_asm): Rename to...
5475         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5476         gen_rtx_ASM_INPUT_loc.
5477         (expand_asm_expr): Adjust.
5478         * recog.c (decode_asm_operands): Add loc operand.
5479         (check_asm_operands, extract_insn): Adjust.
5480         * reload1.c (maybe_fix_stack_asms): Likewise.
5481         * final.c (asm_insn_count): Likewise.
5482         (final_scan_insn): Output # line before and after asm.
5483
5484 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5485
5486         * tree-ssa-structalias.c (variable_info): Remove
5487         finished_solution.
5488         (new_var_info): Ditto.
5489         (shared_bitmap_info_t): New structure.
5490         (shared_bitmap_table): New variable.
5491         (shared_bitmap_hash): New function.
5492         (shared_bitmap_eq): Ditto
5493         (shared_bitmap_lookup): Ditto.
5494         (shared_bitmap_add): Ditto.
5495         (merge_smts_into): Change to take bitmap directly.
5496         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5497         (init_alias_vars): Init shared bitmap hashtable.
5498         (delete_points_to_sets): Delete shared bitmap hashtable.
5499         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5500         is_aliased removal as a change that was still necessary was
5501         deleted.
5502
5503 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5504
5505         * config/i386/i386.h (override_options): Conditionally disable
5506         x86_sahf for 64bit targets only.
5507
5508 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5509
5510         PR C/31072
5511         * c-decl.c (merge_decls): Don't call make_var_volatile.
5512         * varasm.c (make_var_volatile): Remove.
5513         * output.h (make_var_volatile): Remove.
5514
5515 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5516
5517         PR tree-optimization/31085
5518         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5519
5520 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5521
5522         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5523         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5524         ATTR_CONST_NOTHROW_LIST.
5525
5526         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5527         FIX_TRUNC_EXPR.
5528
5529 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5530
5531         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5532
5533 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5534
5535         PR 31013
5536         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5537         is declared.
5538         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5539         passed, use shared libgcc.
5540
5541 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5542
5543         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5544         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5545         (honor_protect_cleanup_actions, lower_try_finally_switch):
5546         Likewise.
5547         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5548         ifc_temp_var): Likewise.
5549         * tree-inline.c (setup_one_parameter): Likewise.
5550         * tree-mudflap.c (mf_decl_cache_locals,
5551         mf_build_check_statement_for): Likewise.
5552         * tree-nested.c (init_tmp_var, save_tmp_var,
5553         finalize_nesting_tree_1): Likewise.
5554         * tree-outof-ssa.c (insert_copy_on_edge,
5555         insert_backedge_copies): Likewise.
5556         * tree-profile.c (tree_gen_edge_profiler,
5557         tree_gen_ic_profiler): Likewise.
5558         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5559         * tree-sra.c (sra_build_assignment): Likewise.
5560         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5561         * tree-ssa-math-opts.c (insert_reciprocals,
5562         execute_cse_sincos_1): Likewise.
5563         * tree-tailcall.c (adjust_accumulator_values,
5564         adjust_return_value): Likewise.
5565         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5566         * tree-vect-transform.c (vect_create_data_ref_ptr,
5567         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5568         vect_create_epilog_for_reduction, vectorizable_reduction,
5569         vectorizable_call, vectorizable_conversion,
5570         vectorizable_assignment, vectorizable_operation,
5571         vectorizable_type_demotion, vect_gen_widened_results_half,
5572         vect_permute_store_chain, vectorizable_store,
5573         vect_setup_realignment, vect_permute_load_chain,
5574         vectorizable_load, vectorizable_condition,
5575         vect_create_cond_for_align_checks): Likewise.
5576         * tree-vrp.c (build_assert_expr_for): Likewise.
5577
5578 2007-03-08  Ian Lance Taylor  <iant@google.com>
5579
5580         * tree-vrp.c: Include "intl.h".
5581         (usable_range_p): New static function.
5582         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5583         overflowed values, juts set *strict_overflow_p.
5584         (compare_values): Only return -2 if one of the operands is not a
5585         constant.
5586         (compare_ranges): Call usable_range_p.
5587         (compare_range_with_value): Likewise.
5588         (vrp_evaluate_conditional_warnv): Rename from
5589         vrp_evaluate_conditional.  Make static.  Change all callers.
5590         (vrp_evaluate_conditional): New function.
5591         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5592         on signed overflow.
5593         (simplify_abs_using_ranges): Likewise.
5594         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5595         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5596         within_stmt parameter.
5597         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5598         vrp_evaluate_conditional.
5599         * tree-ssa-threadedge.c
5600         (record_temporary_equivalences_from_stmts_at_dest): Change
5601         simplify parameter to take a second tree parameter.
5602         (simplify_control_stmt_condition): Likewise.
5603         (thread_across_edge): Likewise.
5604         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5605         (thread_across_edge): Likewise.
5606         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5607
5608 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5609
5610         * config/i386/i386.h (TARGET_SAHF): New define.
5611         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5612         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5613         (x86_sahf): New global variable.
5614         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5615         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5616         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5617         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5618         for 64-bit.
5619         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5620         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5621         when expanding fcomi/sahf based tests.
5622         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5623         expanding sahf based alternative. Emit sahf based sequence when
5624         optimizing for code size.
5625         * config/i386/i386.md (x86_sahf_1): Do not disable for
5626         TARGET_64BIT, enable for TARGET_SAHF.
5627
5628 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5629
5630         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5631         spurious whitespace from error message.
5632
5633 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5634
5635         PR c++/30852
5636         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5637
5638 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5639
5640         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5641         bitfields.
5642         * tree-sra.c (instantiate_element): Propagate disabled warnings
5643         from the element itself to the created variable.
5644
5645 2007-03-07  Richard Henderson  <rth@redhat.com>
5646
5647         PR target/30848
5648         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5649         silently fix up the stack in the case of a missing register.
5650
5651 2007-03-07  Paul Brook  <paul@codesourcery.com>
5652
5653         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5654
5655 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5656
5657         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5658         New.
5659         (phase1_vrs): Use them.
5660         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5661         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5662         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5663         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5664         __gnu_Unwind_Restore_WMMXC if required.
5665         (_Unwind_VRS_Pop): Implement iWMMXt support.
5666         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5667         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5668         gnu_Unwind_Save_WMMXC): Define.
5669
5670 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5671
5672         * config/vxworks.h (vxworks_override_options): Declare.
5673         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5674         * config/vxworks.c: Include target.h and toplev.h.
5675         (vxworks_override_options): New function.
5676         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5677
5678 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5679
5680         * config/s390/s390.c (override_options): Don't emit an error when
5681         -mstack-size is used without providing -mstack-guard.
5682         (s390_emit_prologue): Choose stack_guard value automatically if not
5683         provided via command line.
5684         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5685
5686 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5687
5688         * config/i386/i386.c (output_set_got): Add a GOT initialization
5689         sequence for VxWorks PIC.
5690         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5691         around labels as well as symbols.  Use gotoff_operand instead
5692         of local_symbolic_operand.
5693         (legitimize_pic_address): Use gotoff_operand instead of
5694         local_symbolic_operand.  Use @GOT accesses for labels as
5695         well as symbols.
5696         (ix86_output_addr_diff_elt): Use PC-relative rather than
5697         GP-relative offsets for VxWorks PIC.
5698         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5699         no_new_pseudos.  Check whether the returned register is op0.
5700         * config/i386/i386.md (tablejump): Use PC-relative rather than
5701         GP-relative offsets for VxWorks PIC.
5702         * config/i386/predicates.md (gotoff_operand): New predicate.
5703
5704 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5705
5706         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5707         before defining.
5708         * config/vxworks-dummy.h: New file.
5709         * config/i386/i386.h: Include it.
5710
5711 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5712
5713         * dwarf2out.c (is_inlined_entry_point): New
5714         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5715         DW_AT_ranges if the first subblock is the entry point.
5716
5717 2007-03-06  David Daney  <ddaney@avtrex.com>
5718
5719         * doc/install.texi (mips-*-*): Change recommended binutils
5720         version.
5721
5722 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5723
5724         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5725         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5726         devices.
5727         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5728         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5729
5730 2007-03-06  Jan Hubicka  <jh@suse.cz>
5731
5732         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5733         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5734         are hot.
5735         (probably_cold_bb_p): Cold functions are cold.
5736         (probably_never_executed_bb_p): Cold functions are cold.
5737         (tree_bb_level_predictions): Predict calls to cold functions as not
5738         taken.
5739         (compute_function_frequency): Check hot/cold attributes.
5740         * function.h (function_frequency): Update comments.
5741         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5742         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5743         (c_common_att): Add cold and hot.
5744
5745         * doc/extend.texi (hot,cold attributes): Document.
5746
5747 2007-03-06  Andrew Haley  <aph@redhat.com>
5748
5749         * function.c (expand_function_end): Move blockage to just after we
5750         emit the label for the naked return from the function.
5751
5752 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5753
5754         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5755         before redefining.
5756
5757 2007-03-06  Jan Hubicka  <jh@suse.cz>
5758
5759         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5760         loaded for constant large models.  Non-large 64bit PIC can do.
5761         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5762         * cmodel.h: Add LARGE PIC.
5763         * i386.md (UNSPEC_PLTOFF): New.
5764         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5765         needed.
5766         (*call_1_rex64): Disable for large models.
5767         (*call_1_rex64_large): New.
5768         (*call_value_1_rex64): Disable for large models.
5769         (*call_value_1_rex64_large): New.
5770         (set_rip_rex4): New.
5771         (set_got_offset_rex64): New.
5772         * predicates.md (constant_call_address_operand): For large model
5773         constant calls are not possible.
5774         * i386-protos.h (construct_plt_address): Declare.
5775         * i386.c (override_options): Accept large models.
5776         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5777         (legitimate_constant_p): Add new UNSPECs.
5778         (legitimate_pic_operand_p): Likewise.
5779         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5780         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5781         non-large model.
5782         (output_pic_addr_const): Add PLTOFF.
5783         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5784         (ix86_expand_move): Legitimize pic address when in PIC mode.
5785         (construct_plt_address): New function.
5786         (ix86_expand_call): Offload the address to register and use GOT pointer
5787         for large model.
5788         * invoke.texi (mcmodel=large): Update documentation.
5789
5790 2007-03-06  Richard Henderson  <rth@redhat.com>
5791
5792         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5793         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5794         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5795         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5796         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5797         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5798         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5799         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5800         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5801         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5802         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5803         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5804         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5805         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5806         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5807         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5808         x86_schedule, x86_use_bt, x86_pad_returns,
5809         x86_use_xchgb): Merge into ...
5810         (ix86_tune_features): ... here.  New array.
5811         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5812         x86_bswap): Merge into ...
5813         (ix86_arch_features): ... here.  New array.
5814         (x86_3dnow_a): Remove.
5815         (x86_accumulate_outgoing_args): Make static.
5816         (x86_arch_always_fancy_math_387): Make static.
5817         (ix86_tune_mask, ix86_arch_mask): Move ...
5818         (override_options): ... to local variables here.  Apply the
5819         appropriate mask to each element of ix86_arch_features and
5820         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5821         as were done in the old macros.
5822         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5823         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5824         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5825         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5826         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5827         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5828         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5829         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5830         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5831         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5832         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5833         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5834         x86_accumulate_outgoing_args, x86_prologue_using_move,
5835         x86_epilogue_using_move, x86_decompose_lea,
5836         x86_arch_always_fancy_math_387, x86_shift1,
5837         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5838         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5839         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5840         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5841         x86_use_incdec, x86_pad_returns, x86_bswap,
5842         x86_partial_flag_reg_stall): Remove.
5843         (enum ix86_tune_indices): New.
5844         (ix86_tune_features): New.
5845         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5846         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5847         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5848         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5849         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5850         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5851         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5852         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5853         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5854         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5855         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5856         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5857         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5858         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5859         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5860         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5861         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5862         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5863         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5864         TARGET_EXT_80387_CONSTANTS): Use it.
5865         (enum ix86_arch_indices): New.
5866         (ix86_arch_features): New.
5867         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5868         TARGET_BSWAP): Use it.
5869         (ix86_tune_mask, ix86_arch_mask): Remove.
5870
5871 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5872
5873         PR bootstrap/31020
5874         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5875         Define using $${sysroot_headers_suffix}.
5876         * configure: Regenerate.
5877         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5878         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5879         defined.
5880         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5881         * gcc.c (print_sysroot_headers_suffix): New.
5882         (option_map): Include --print-sysroot-headers-suffix.
5883         (display_help): Mention -print-sysroot-headers-suffix.
5884         (process_command): Handle -print-sysroot-headers-suffix.
5885         (do_spec_1): Append multilib directory to include-fixed path if
5886         sysroot suffixes in use.
5887         (main): Handle -print-sysroot-headers-suffix.
5888         * Makefile.in (start.encap): Don't depend on xlimits.h
5889         (xlimits.h): Remove.
5890         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5891         limits.h for each multilib in fixinc_list.
5892         (fixinc_list, s-fixinc_list): New.
5893         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5894         generate them for each multilib in fixinc_list.
5895         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5896         multilib in fixinc_list.
5897         (mostlyclean): Don't remove xlimits.h.
5898         (clean): Remove include-fixed.
5899         (real-install-headers-tar, real-install-headers-cpio,
5900         real-install-headers-cp): Don't copy include, only include-fixed.
5901         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5902         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5903         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5904         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5905
5906 2007-03-06  Jan Hubicka  <jh@suse.cz>
5907
5908         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5909         NANs easilly.
5910
5911 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5912
5913         * configure.ac: Allow tm_file to contain build-directory files.
5914         * configure: Regenerate.
5915         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5916         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5917         * config/m68k/print-sysroot-suffix.sh: New file.
5918
5919 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5920
5921         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5922         of pic_offset_table_rtx if reload_completed.
5923         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5924         PIC_OFFSET_TABLE_REGNUM.
5925         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5926         return true.
5927         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5928         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5929
5930 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5931
5932         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5933         functions that call eh_return.
5934
5935 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5936
5937         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5938         functions that need a constant pool.
5939
5940 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5941
5942         PR target/28181
5943         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5944         (m68k_preferred_reload_class): Likewise.
5945         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5946         (SECONDARY_RELOAD_CLASS): Define.
5947         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5948         (LIMIT_RELOAD_CLASS): Delete.
5949         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5950         registers from storing bytes.
5951         (m68k_secondary_reload_class): New function.
5952         (m68k_preferred_reload_class): Likewise.
5953
5954 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5955
5956         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5957         leaf functions.
5958         (m68k_expand_prologue): Likewise.
5959
5960 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5961
5962         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5963         (mips_expand_epilogue): Add a bool parameter.
5964         (m68k_legitimize_sibcall_address): Declare.
5965         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5966         (m68k_expand_epilogue): Add a parameter to select between sibling
5967         and normal epilogues.  Only generate a return for the latter.
5968         (m68k_ok_for_sibcall_p): New function.
5969         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5970         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5971         (sibcall_value, *sibcall_value): Likewise.
5972         (*call, *call_value): Require !SIBLING_CALL_P.
5973         (epilogue): Update call to m68k_expand_epilogue.
5974         (sibcall_epilogue): New pattern.
5975         * config/m68k/predicates.md (const_call_operand): Say that this
5976         predicate applies to sibling calls too.
5977         (sibcall_operand): New predicate.
5978
5979 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5980
5981         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5982         alternatives as movsi_cf.
5983         (movsf_cf_hard): Add commentary.
5984
5985 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5986             Richard Sandiford  <richard@codesourcery.com>
5987
5988         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5989         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5990         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5991         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5992         as being live on exit from an interrupt function.
5993         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5994         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5995         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5996         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5997         (m68k_interrupt_function_p): Globalize.
5998         (m68k_compute_frame_layout): Remove reverse mask code.
5999         (m68k_emit_movem, m68k_set_frame_related): New functions.
6000         (m68k_output_function_prologue): Delete in favor of...
6001         (m68k_expand_prologue): ...this new function.
6002         (m68k_output_function_epilogue): Delete in favor of...
6003         (m68k_expand_epilogue): ...this new function.
6004         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
6005         functions.
6006         (print_operand): Handle %?.
6007         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
6008         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
6009         (prologue, epilogue): New patterns.
6010         (return): Turn into a define_expand.
6011         (*return): New pattern, derived from old "return" pattern.  Use rte
6012         rather than rts for interrupt functions.  Only use rtd if the pop
6013         count is nonzero.
6014         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
6015         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
6016         (link, *link, unlink, *unlink, load_got): Likewise.
6017
6018 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
6019
6020         PR target/23482
6021         PR target/17114
6022         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
6023         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
6024         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
6025         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
6026         and m68k_matches_u_p.
6027         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
6028         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
6029         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
6030         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
6031         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
6032         (REG_STRICT_P): New macro.
6033         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
6034         PCREL_GENERAL_OPERAND_OK.
6035         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
6036         m68k_legitimate_base_reg_p.
6037         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
6038         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
6039         (PIC_CASE_VECTOR_ADDRESS): Update comment.
6040         * config/m68k/m68k.c (m68k_address): New structure.
6041         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
6042         (m68k_decompose_index, m68k_legitimate_constant_address_p)
6043         (m68k_jump_table_ref_p, m68k_decompose_address)
6044         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
6045         (m68k_matches_u_p): New functions.
6046         (print_operand_address): Rewrite to use m68k_decompose_index.
6047
6048 2007-03-05  David Taylor  <dtaylor@emc.com>
6049
6050         * gcc.c: Correct copyright date in --version output.
6051
6052 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6053
6054         * pa.md: In unamed move patterns, disparge copies between general
6055         and floating point registers using '?' modifier.  Don't include 'f'
6056         constraint for register preferences in DImode, SImode, HImode and
6057         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
6058         Remove constraints for copies between general and floating registers
6059         in soft-float DFmode pattern.
6060         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
6061         floating register.
6062         (movsf): Likewise.
6063
6064 2007-03-05  Mike Stump  <mrs@apple.com>
6065
6066         * c-common.c (targetcm): Add.
6067         * c-opts.c (c_common_handle_option): Handle language specific
6068         target options.
6069         * opts.c (handle_option): Verify language for target options, if
6070         any are given.
6071         * opth-gen.awk: Add CL_LANG_ALL.
6072         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
6073         (TARGETCM_INITIALIZER): Add.
6074         * target.h (struct gcc_targetcm): Add.
6075         (targetcm): Add.
6076         * targhooks.c (default_handle_c_option): Add.
6077         * targhooks.h (default_handle_c_option): Add.
6078         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
6079
6080         * config/darwin.opt (iframework): Add.
6081         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
6082         * config/darwin-c.c (handle_c_option): Add.
6083         (TARGET_HANDLE_C_OPTION): Add.
6084         (targetcm): Add.
6085         * doc/invoke.texi (Darwin Options): Add -iframework.
6086
6087 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6088
6089         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
6090         conversion.
6091
6092 2007-03-05  Ian Lance Taylor  <iant@google.com>
6093
6094         * c.opt (fgnu89-inline): New option.
6095         * c-opts.c (c_common_post_options): Set default value for
6096         flag_gnu89_inline.
6097         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
6098         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
6099         inline functions.
6100         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
6101         (grokdeclarator, start_function): Likewise.
6102         * c-cppbuiltin.c (c_cpp_builtins): Define either
6103         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
6104         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
6105         (C Dialect Options): Document -fgnu89-inline.
6106         * doc/extend.texi (Function Attributes): Explain what the
6107         gnu_inline attribute does.
6108         * doc/cpp.texi (Common Predefined Macros): Document
6109         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
6110
6111 2007-03-05  Ian Lance Taylor  <iant@google.com>
6112
6113         PR tree-optimization/31034
6114         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
6115         half-range if the other side is an overflow infinity.
6116
6117 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6118
6119         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
6120         (bfin*-linux-uclibc*): New configuration.
6121         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
6122         defining.
6123         * config/bfin/linux.h: New file.
6124         * config/bfin/libgcc-bfin.ver: New file.
6125         * config/bfin/t-bfin-uclinux: New file.
6126         * config/bfin/t-bfin-linux: New file.
6127         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
6128         (TARGET_OS_CPP_BUILTINS): New macro.
6129
6130 2007-03-05  Richard Guenther  <rguenther@suse.de>
6131
6132         * fold-const.c (fold_binary): Remove duplicate folding
6133         of comparison of non-null ADDR_EXPR against null.
6134
6135 2007-03-05  Richard Guenther  <rguenther@suse.de>
6136             Dorit Nuzman  <dorit@il.ibm.com>
6137
6138         PR tree-optimization/26420
6139         * tree-vectorizer.c (vectorize_loops): Bail out early if there
6140         are no loops in the function.  Only print the number of
6141         vectorized loops if it is greater than zero or we are supposed
6142         to print information about unvectorized loops.
6143
6144 2007-03-05  Revital Eres  <eres@il.ibm.com>
6145
6146         * gcc.dg/var-expand1.c: New test.
6147         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
6148         when an accumulator is expanded.
6149
6150 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6151
6152         PR other/30465
6153         * c-common.c (convert_and_check): Don't give warnings for
6154         conversion if 'expr' already overflowed.
6155
6156 2007-03-04  Roger Sayle  <roger@eyesopen.com>
6157
6158         PR middle-end/30744
6159         * fold-const.c (fold_comparison): Enforce type consistency when
6160         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
6161
6162 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
6163
6164         * tree-ssa-address.c (create_mem_ref): Do not put an expression
6165         containing a cast to the base of TARGET_MEM_REF.
6166
6167 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
6168
6169         * tree.c (tree_contains_struct_check_failed): Remove spurious
6170         whitespace from error message.
6171
6172 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
6173
6174         PR target/30406
6175         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
6176         instead of precision.
6177
6178 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
6179             Nathan Sidwell  <nathan@codesourcery.com>
6180
6181         * emit-rtl.c (find_auto_inc): New.
6182         (try_split): recreate REG_INC notes,
6183         Use regular for loops rather than whiles.
6184
6185 2007-03-03  Andreas Schwab  <schwab@suse.de>
6186
6187         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
6188         * configure: Regenerate.
6189
6190 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6191
6192         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
6193         flag_rounding_math, not flag_unsafe_math_optimizations.
6194
6195         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
6196         fold_build2.
6197         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
6198         alpha_fold_vector_minmax): Likewise.
6199         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6200         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
6201
6202 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6203
6204         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
6205         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
6206         if the lhs has side-effects.
6207         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
6208
6209 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6210
6211         * config/i386/i386.h (TUNEMASK): Remove define.
6212         (ARCHMASK): Remove define.
6213         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
6214          Use ix86_arch_mask variable instead of ARCHMASK.
6215         * config/i386/i386.c (override_options): Ditto.
6216         (standard_80387_constant_p): Ditto.
6217
6218 2007-03-02  Ian Lance Taylor  <iant@google.com>
6219
6220         Used signed infinities in VRP.
6221         * tree-vrp.c (uses_overflow_infinity): New static function.
6222         (supports_overflow_infinity): New static function.
6223         (make_overflow_infinity): New static function.
6224         (negative_overflow_infinity): New static function.
6225         (positive_overflow_infinity): New static function.
6226         (is_negative_overflow_infinity): New static function.
6227         (is_positive_overflow_infinity): New static function.
6228         (is_overflow_infinity): New static function.
6229         (overflow_infinity_range_p): New static function.
6230         (compare_values_warnv): New function split out of compare_values.
6231         (compare_value): Call it.
6232         (set_value_range_to_nonnegative): Add overflow_infinity
6233         parameter.  Change caller.
6234         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
6235         Change callers.
6236         (vrp_expr_computes_nonzero): Likewise.
6237         (compare_ranges, compare_range_with_value): Likewise.
6238         (compare_name_with_value, compare_names): Likewise.
6239         (vrp_evaluate_conditional): Likewise.
6240         (set_value_range): Handle infinity
6241         (vrp_operand_equal_p, operand_less_p): Likewise.
6242         (extract_range_from_assert): Likewise.
6243         (vrp_int_const_binop): Likewise.
6244         (extract_range_from_binary_expr): Likewise.
6245         (extract_range_from_unary_expr): Likewise.
6246         (extract_range_from_comparison): Likewise.
6247         (extract_range_from_expr): Likewise.
6248         (dump_value_range): Likewise.
6249         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6250         (test_for_singularity): Likewise.
6251         (vrp_int_const_binop): Remove inline qualifier.
6252         (adjust_range_with_scev): Add comment.
6253         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6254
6255 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
6256
6257         * tree-ssa-structalias.c (could_have_pointers): Tidy.
6258         (get_constraint_for): Likewise.
6259         (do_structure_copy): Likewise.
6260         (find_func_aliases): Fix references to MODIFY_EXPR.
6261         (intra_create_variable_infos): Tidy.
6262         * tree-ssa-operands.c (add_virtual_operand): Add argument
6263         IS_CALL_SITE.
6264         When adding members of alias sets, if IS_CALL_SITE is true and
6265         the symbol is not call-clobbered, skip it.
6266         Adjust all callers.
6267
6268 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6269
6270         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6271         entry by means of emit_insn_at_entry.
6272
6273 2007-03-02  Richard Henderson  <rth@redhat.com>
6274
6275         * expr.h (promoted_input_arg): Remove decl.
6276         * function.c (promoted_input_arg): Merge into ...
6277         * combine.c (setup_incoming_promotions): ... only caller.
6278         Rearrange to avoid double loop.
6279
6280 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6281             Peter Bergner  <bergner@vnet.ibm.com>
6282             Janis Johnson  <janis187@us.ibm.com>
6283
6284         * config/rs6000/dfp.md: New file.
6285         * config/rs6000/rs6000.md: Include dfp.md.
6286         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6287         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6288         and TDmode decimal float modes in FP registers.
6289         (num_insns_constant): Likewise.
6290         (rs6000_legitimate_offset_address_p): Likewise.
6291         (rs6000_legitimize_address): Likewise.
6292         (rs6000_legitimize_reload_address): Likewise.
6293         (rs6000_legitimate_address): Likewise.
6294         (rs6000_emit_move): Likewise.
6295         (function_arg_boundary): Likewise.
6296         (function_arg_advance): Likewise.
6297         (rs6000_darwin64_record_arg_recurse): Likewise.
6298         (function_arg): Likewise.
6299         (rs6000_gimplify_va_arg): Likewise.
6300         (rs6000_split_multireg_move): Likewise.
6301         (rs6000_output_function_epilogue): Likewise.
6302         (rs6000_output_function_epilogue): Likewise.
6303         (rs6000_register_move_cost): Likewise.
6304         (rs6000_function_value): Likewise.
6305         (rs6000_libcall_value): Likewise.
6306
6307 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6308
6309         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6310
6311 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6312
6313         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6314         Use $MULTIDIR to choose between the kernel and RTP headers,
6315         and use $WIND_BASE and $WIND_USR to locate them.
6316
6317 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6318
6319         * config/i386/i386.c (override_options): Put initialization of
6320         ix86_tune_mask and ix86_arch_mask to the correct place.
6321
6322 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6323             Michael Meissner  <michael.meissner@amd.com>
6324
6325         PR target/31019
6326         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6327         (ARCHMASK): Define.
6328         (TARGET_CMOVE): Use ARCHMASK.
6329         (TARGET_CMPXCHG): Ditto.
6330         (TARGET_CMPXCHG8B): Ditto.
6331         (TARGET_XADD): Ditto.
6332         (TARGET_BSWAP): Ditto.
6333         * config/i386/i386.c (ix86_tune_mask): New global variable.
6334         (ix86_arch_mask): Ditto.
6335         (override_options): Initialize ix86_tune_mask and
6336         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6337         target_flags.
6338
6339 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6340
6341         PR 30992
6342         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6343
6344 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6345
6346         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6347         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6348         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6349         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6350         hook.
6351         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6352         rs6000_init_dwarf_reg_sizes_extra): New.
6353         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6354         SPE register high parts.
6355
6356 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6357
6358         * Makefile.in: Add install-pdf target as
6359         copied from automake v1.10 rules.
6360         * configure.ac: Add install-pdf to target list.
6361         * configure: Regenerate.
6362
6363 2007-03-01  Paul Brook  <paul@codesourcery.com>
6364
6365         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6366         modes to LDRD for DImode.
6367         (output_move_double): Fixup out of range ldrd/strd.
6368         (vfp_secondary_reload_class): Rename...
6369         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6370         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6371         coproc_secondary_reload_class for CLASS_IWMMXT.
6372         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6373         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6374
6375 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6376
6377         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6378         factor by the estimated number of iterations.
6379         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6380         prefetch latency.
6381
6382         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6383         decode_caches_intel, detect_caches_intel): New functions.
6384         (host_detect_local_cpu): Use detect_caches_amd and
6385         detect_caches_intel.
6386
6387 2007-03-01  Richard Henderson  <rth@redhat.com>
6388
6389         * expr.c (emit_move_complex_push): Export.
6390         (emit_move_complex_parts): Split out from ...
6391         (emit_move_complex): ... here.
6392         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6393         * config/i386/i386.md (movcdi): New.
6394
6395 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6396
6397         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6398         size of mode1 to check for tieable modes in MMX case.
6399
6400 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6401
6402         * Makefile.in (rtlanal.o): Depend on tree.h.
6403         * rtl.h (offset_within_section_p, split_const): Declare.
6404         * rtlanal.c: Include tree.h.
6405         (offset_within_block_p): New function, taken from
6406         mips_offset_within_object_p.
6407         (split_const): New function, taken from mips_split_const.
6408         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6409         Declare.
6410         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6411         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6412         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6413         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6414         (m68k_illegitimate_symbolic_constant_p): New function.
6415         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6416         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6417         symbolic constant that might be outside the symbol's section,
6418         move the symbol first and then add the offset.
6419         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6420         Override.
6421         * config/mips/mips.c (mips_split_const): Delete.
6422         (mips_offset_within_object_p): Delete.
6423         (mips_symbolic_constant_p): Use offset_within_section_p and
6424         split_const instead of mips_offset_within_object_p and
6425         mips_split_const.
6426         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6427         (mips_legitimize_const_move, print_operand_reloc)
6428         (mips_dangerous_for_la25_p): Use split_const instead of
6429         mips_split_const.
6430
6431 2007-02-28  Eric Christopher  <echristo@apple.com>
6432
6433         * Makefile.in (install-include-dir): Don't rm -rf include.
6434
6435 2007-02-28  Richard Guenther  <rguenther@suse.de>
6436
6437         PR middle-end/30364
6438         * fold-const.c (fold_binary): Do not associate expressions
6439         with more than one variable for integer types that do not wrap.
6440
6441 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6442
6443         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6444         Delete, and replace with...
6445         (fold_builtin_call_array): This.  Update callers to use it.
6446         * fold-const.c (fold_build_call_list): Delete, and replace with...
6447         (fold_build_call_array): This.
6448         (fold_build_call_list_initializer): Delete, and replace with...
6449         (fold_build_call_array_initializer): This.
6450         * tree.h: Update declarations to reflect above changes.
6451
6452         * c-typeck.c (build_function_call): Store converted arguments
6453         in a stack-allocated array instead of building a list.
6454         (convert_arguments): Store arguments in the array passed in as an
6455         argument, and return the actual number of arguments.
6456         * c-format.c: (check_function_format): Pass arguments in an
6457         array instead of a list.
6458         * c-common.c (check_function_nonnull): Likewise.
6459         (check_function_sentinel): Likewise.
6460         (check_function_arguments): Likewise.
6461         * c-common.h: Update declarations to reflect above changes.
6462
6463 2007-02-28  Jan Hubicka  <jh@suse.cz>
6464
6465         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6466         PRED_NEGATIVE_RETURN): Update outcomes.
6467
6468 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6469
6470         * calls.c (emit_library_call_value_1): Handle partial registers
6471         correctly when building up CALL_INSN_FUNCTION_USAGE.
6472
6473 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6474
6475         * pa/predicates.md (move_src_operand): Allow zero for mode.
6476         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6477         move pattern.
6478
6479 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6480
6481         PR target/30970
6482         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6483         *movv2df_internal): Enable pattern only for valid operand
6484         combinations.
6485         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6486         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6487
6488 2007-02-27  Mike Stump  <mrs@apple.com>
6489
6490         * config/darwin-crt3.c: Avoid compilation when compiling for a
6491         kext multilib.
6492
6493 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6494
6495         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6496         FIXED_INCLUDE_DIR.
6497         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6498         for fixed headers and limits.h.
6499         (install-include-dir, install-headers-tar, install-headers-cpio,
6500         install-headers-cp, real-install-headers-tar,
6501         real-install-headers-cpio, real-install-headers-cp): Handle
6502         include-fixed as well as include.
6503         (install-mkheaders): Don't install files that go only in include
6504         not include-fixed.
6505         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6506         from GCC_INCLUDE_DIR.
6507         * gcc.c (process_command): Remove special -BstageN/ handling.
6508         (do_spec_1): Add include-fixed directories.
6509
6510 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6511
6512         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6513         _smulsi3_highpart.
6514         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6515         New functions.
6516         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6517         patterns.
6518
6519 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6520
6521         * c-common.c (get_priority): Add check for
6522         SUPPORTS_INIT_PRIORITY.
6523
6524 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6525
6526         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6527
6528         * config/bfin/bfin.c: Include "cfglayout.h".
6529         (MAX_LSETUP_DISTANCE): New macro.
6530         (struct loop_info): New members incoming, incoming_src and
6531         incoming_dest.  Delete member predecessor.
6532         (length_for_loop): New function.
6533         (bfin_optimize_loop): Handle more different loop structures.
6534         (bfin_discover_loop): Rework detection of predecessor blocks by
6535         examining incoming edges.
6536         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6537         bfin_reorg_loops.
6538         (bfin_reorder_loops): New function.
6539         (bfin_reorg_loops): Use these three new functions.
6540
6541         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6542         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6543         (CONSTRAINT_LEN): Add entry for 'q'.
6544         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6545         Add 'q' constraints.
6546         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6547         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6548
6549         * config/bfin/bfin.md (add_with_carry): New pattern.
6550         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6551         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6552         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6553         support unsigned multiplies too.  Removed incorrect commutativity from
6554         operand 1 constraint where appropriate.
6555         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6556         patterns.
6557         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6558         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6559         New patterns.
6560         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6561         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6562         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6563         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6564         usmulhisi_hh_huh): New patterns.
6565
6566         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6567         lshifthi3): Fix output template to use half reg for operand 2.
6568
6569         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6570         instead of R2.
6571
6572         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6573
6574 2007-02-27  Andreas Schwab  <schwab@suse.de>
6575
6576         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6577
6578 2007-02-27  Jan Hubicka  <jh@suse.cz>
6579
6580         * predict.c (last_basic_block_p): Remove.
6581         (tree_estimate_probability): Update return heuristic for commonized
6582         return blocks.
6583
6584 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6585
6586         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6587
6588 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6589
6590         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6591         * doc/cpp.texi: Standardize title page.
6592         * doc/cppinternals.texi: Likewise.
6593         * doc/gcc.texi: Standardize title page, remove version number
6594         from copyright page.
6595         * doc/gccint.texi: Likewise.
6596         * doc/install.texi: Standardize title page, add table of
6597         contents.
6598
6599 2007-02-26  Jan Hubicka  <jh@suse.cz>
6600
6601         * predict.def: Set outcomes according to more recent results.
6602         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6603         Remove dead predictors.
6604         * predict.c (return_prediction): Fix pasto.
6605
6606 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6607
6608         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6609         change; avoid a memory leak when returning early.
6610
6611 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6612
6613         * c-decl.c (static_ctors): Move to c-common.c.
6614         (static_dtors): Likewise.
6615         (finish_function): Use c_record_cdtor_fn.
6616         (build_cdtor): Move to c-common.c.
6617         (c_write_global_declarations): Use c_build_cdtor_fns.
6618         * c-common.h (static_ctors): Declare.
6619         (static_dtors): Likewise.
6620         (c_record_cdtor_fn): Likewise.
6621         (c_build_cdtor_fns): Likewise.
6622         * c-common.c (static_ctors): New variable.
6623         (static_dtors): Likewise.
6624         (c_record_cdtor_fn): New function.
6625         (build_cdtor): Move from c-decl.c
6626         (c_build_cdtor_fns): New function.
6627
6628         * output.h (assemble_addr_to_section): Declare.
6629         (get_cdtor_priority_section): Likewise.
6630         * varasm.c (assemble_addr_to_section): New function.
6631         (get_cdtor_priority_section): Likewise.
6632         (default_named_section_asm_out_destructor): Use them.
6633         (destor_dtor_section_asm_out_destructor): Likewise.
6634         (default_named_section_asm_out_constructor): Likewise.
6635         (default_ctor_section_asm_out_constructor): Likewise.
6636         * config.gcc (*-*-vxworks*): Include vxworks.o.
6637         * config/t-vxworks (vxworks.o): New target.
6638         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6639         (TARGET_ASM_CONSTRUCTOR): Define.
6640         (TARGET_ASM_DESTRUCTOR): Likewise.
6641         (vxworks_asm_out_constructor): Declare.
6642         (vxworks_asm_out_destructor): Likewise.
6643
6644         * c-common.c (get_priority): Check that we have not just an
6645         INTEGER_CST, but an integer constant with integeral type.
6646
6647 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6648
6649         PR tree-optimization/30938
6650         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6651         use &dt[nargs-1] instead of &dt[nargs] in the call to
6652         vect_is_simple_use().
6653
6654 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6655
6656         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6657         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6658         Do not attempt to handle MEM inside auto-inc expressions.
6659         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6660         of a register modified by an auto-inc expression.  However, do handle
6661         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6662         (elimination_effects): Prohibit elimination of a register modified
6663         by an auto-inc expression.  Disable register elimination rules whose
6664         target register is modified by an auto-inc expression with variable
6665         increment.
6666
6667 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6668
6669         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6670         off-by-one error.
6671         (array_at_struct_end_p): New function.
6672         (idx_infer_loop_bounds): Use it.
6673         (estimate_numbers_of_iterations_loop): Export.
6674         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6675         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6676         (tree_estimate_probability): Call record_loop_exits.
6677         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6678         (estimated_loop_iterations, estimated_loop_iterations_int,
6679         estimated_loop_iterations_tree): New functions.
6680         (analyze_siv_subscript_cst_affine,
6681         compute_overlap_steps_for_affine_1_2,
6682         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6683         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6684         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6685         (PRED_LOOP_ITERATIONS_GUESSED): New.
6686         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6687         * cfgloop.h (estimate_numbers_of_iterations_loop,
6688         estimated_loop_iterations_int): Declare.
6689
6690 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6691
6692         * doc/extend.texi: Document optional priority argument to
6693         constructors and destructors.
6694         * tree.c (init_priority_for_decl): Adjust GTY markers.
6695         (init_ttree): Use priority-info hash functions for
6696         init_priority_for_decl.
6697         (tree_map_eq): Rename to ...
6698         (tree_map_base_eq): ... this.
6699         (tree_map_marked_p): Rename to ...
6700         (tree_map_base_marked_p): ... this.
6701         (tree_map_base_hash): New function.
6702         (decl_init_priority_lookup): Rework.
6703         (decl_fini_priority_lookup): New function.
6704         (decl_priority_info): New function.
6705         (decl_init_priority_insert): Use it.
6706         (decl_fini_priority_insert): Likewise.
6707         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6708         hierarchy.
6709         (decl_restrict_base_insert): Likewise.
6710         (decl_debug_expr_insert): Likewise.
6711         (decl_value_expr_lookup): Likewise.
6712         (decl_value_expr_insert): Likewise.
6713         * tree.h (priority_type): New type.
6714         (decl_init_priority_lookup): Use priority_type.
6715         (decl_fini_priority_lookup): New function.
6716         (decl_init_priority_insert): Use priority_type.
6717         (decl_fini_priority_insert): New function.
6718         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6719         (DECL_INIT_PRIORITY): Likewise.
6720         (SET_DECL_INIT_PRIORITY): Add comment.
6721         (DECL_FINI_PRIORITY): New macro.
6722         (SET_DECL_FINI_PRIORITY): Likewise.
6723         (DEFAULT_INIT_PRIORITY): Document.
6724         (MAX_INIT_PRIORITY): Likewise.
6725         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6726         (tree_map_base): New type.
6727         (tree_map_base_eq): New function.
6728         (tree_map_base_hash): Likewise.
6729         (tree_map_base_marked_p): Likewise.
6730         (tree_map): Inherit from tree_map_base.
6731         (tree_map_eq): Make it a macro.
6732         (tree_map_marked_p): Likewise.
6733         (tree_int_map): Inherit from tree_map_base.
6734         (tree_int_map_eq): Make it a macro.
6735         (tree_int_map_hash): Likewise.
6736         (tree_int_map_marked_p): Likewise.
6737         (tree_priority_map): New type.
6738         (tree_priority_map_eq): New macro.
6739         (tree_priority_map_hash): Likewise.
6740         (tree_priority_map_marked_p): Likewise.
6741         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6742         hierarchy.
6743         (emutls_common_1): Likewise.
6744         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6745         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6746         of tree_map hierarchy.
6747         * tree-cfg.c (move_stmt_r): Likewise.
6748         (new_label_mapper): Likewise.
6749         * c-tree.h (c_expand_body): Move to ...
6750         * c-common.h (c_expand_body): ... here.
6751         * c-decl.c (c_expand_body): Move to ...
6752         * c-common.c (c_expand_body): ... here.
6753         (c_common_attribute_table): Allow 1 argument for the constructor
6754         and destructor attributes.
6755         (get_priority): New function.
6756         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6757         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6758
6759 2007-02-24  Jan Hubicka  <jh@suse.cz>
6760
6761         PR middle-end/30509
6762         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6763
6764 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6765             Jan Hubicka  <jh@suse.cz>
6766
6767         PR target/30778
6768         * i386.c (counter_mode): New function.
6769         (expand_set_or_movmem_via_loop): Use it.
6770         (expand_movmem_epilogue): Likewise; fix pasto.
6771         (ix86_expand_movmem): Do emit guard even for constant counts.
6772         (ix86_expand_setmem): Likewise.
6773
6774 2007-02-25  Nick Clifton  <nickc@redhat.com>
6775
6776         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6777         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6778
6779 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6780
6781         PR target/30770
6782         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6783         count argument with 0x10, not with 0x16.
6784         (expand_setmem_epilogue): Ditto.
6785
6786 2007-02-24  Mike Stump  <mrs@apple.com>
6787
6788         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6789         symbols.
6790
6791 2007-02-24  Richard Guenther  <rguenther@suse.de>
6792
6793         PR middle-end/30951
6794         * fold-const.c (fold_binary): Fold x +- CST op x for
6795         EQ_EXPR and NE_EXPR.
6796
6797 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6798
6799         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6800
6801 2007-02-24  Jan Hubicka  <jh@suse.cz>
6802
6803         * cgraphunit.c (decide_is_function_needed): Honor
6804         -fkeep-inline-functions.
6805
6806 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6807
6808         * builtins.c (fold_builtin_modf): New.
6809         (fold_builtin_2): Use it.
6810
6811 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6812
6813         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6814         (determine_max_iter): Take additional LOOP arg; all callers changed.
6815         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6816         one using simplifications.
6817         (simplify_using_initial_values): Return if the expression becomes
6818         invalid due to altered regs.
6819
6820 2007-02-23  DJ Delorie  <dj@redhat.com>
6821
6822         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6823
6824 2007-02-23  Mike Stump  <mrs@apple.com>
6825
6826         * tlink.c (scan_linker_output): Parse linker messages from
6827         darwin9's linker better.
6828
6829 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6830
6831         PR debug/29614
6832         * varpool.c (varpool_assemble_pending_decls):  Set
6833         varpool_last_needed_node to null.
6834
6835 2007-02-23  DJ Delorie  <dj@redhat.com>
6836
6837         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6838         alignment bigger than the object file can handle.
6839
6840 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6841
6842         PR target/30825
6843         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6844         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6845         (*movsf_1): Penalize MMX moves.
6846
6847 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6848
6849         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6850         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6851
6852         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6853
6854 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6855
6856         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6857         (fold_builtin_1): Use them.
6858         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6859         BUILT_IN_SIGNIFICAND.
6860
6861 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6862
6863         * config/i386/i386.c (bdesc_1arg): Initialize
6864         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6865         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6866         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6867         and IX86_BUILTIN_MOVSLDUP.
6868
6869 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6870
6871         PR rtl-optimization/30841
6872         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6873
6874 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6875
6876         * builtins.c (fold_builtin_frexp): New.
6877         (fold_builtin_2): Use it.
6878
6879 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6880
6881         * doc/invoke.texi (Spec Files): Document getenv spec function.
6882
6883         * gcc.c (getenv_spec_function): New function.
6884         (static_spec_functions): Add it.
6885         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6886         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6887         header files.
6888
6889 2007-02-22  Michael Matz  <matz@suse.de
6890
6891         PR c++/29433
6892         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6893         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6894
6895 2007-02-22  Ian Lance Taylor  <iant@google.com>
6896
6897         PR debug/30898
6898         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6899         (mem_loc_descriptor): Call it.
6900
6901 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6902             Ira Rosen  <irar@il.ibm.com>
6903
6904         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6905
6906 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6907
6908         PR tree-optimization/30843
6909         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6910         stores only after all the group is vectorized.
6911
6912 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6913
6914         PR tree-optimization/30858
6915         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6916         in the reduction cycle have a single use in the loop.
6917         * tree-vectorizer.h (relevant): Add documentation.
6918
6919 2007-02-20  Mike Stump  <mrs@apple.com>
6920
6921         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6922         * configure: Regenerate.
6923
6924 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6925
6926         Change the defaults of some parameters and options.
6927         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6928         * config/spu/spu.c (spu_optimization_options): Add.
6929         (spu_override_options): Change params in spu_optimization_options.
6930         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6931
6932         Register 127 is only 16 byte aligned when used as a frame pointer.
6933         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6934         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6935         HARD_FRAME_POINTER_REGNUM.
6936         (spu_legitimate_address):  Use regno_aligned_for_reload.
6937         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6938         aligned when frame_pointer_needed is true.
6939         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6940         to 8 bits.
6941         * config/spu/spu.h (INIT_EXPANDERS): Define.
6942
6943         Make sure shift and rotate instructions have valid immediate operands.
6944         * config/spu/predicates.md (spu_shift_operand): Remove.
6945         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6946         * config/spu/constraints.md (W, O): Extend range.
6947         * config/spu/spu.md (umask, nmask): Define.
6948         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6949         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6950         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6951         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6952         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6953         (lshr<mode>3_reg):  Fix rtl description.
6954
6955         Make sure mulhisi immediate operands are valid.
6956         * config/spu/predicates.md (imm_K_operand): Add.
6957         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6958
6959         Generate constants using fsmbi and andi.
6960         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6961         (print_operand, spu_split_immediate, classify_immediate,
6962         fsmbi_const_p): Handle IC_FSMBI2.
6963
6964         Correctly handle a CONST_VECTOR containing symbols.
6965         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6966         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6967         (immediate_load_p): Allow symbols that use 2 instructions to create.
6968         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6969         with symbols when flag_pic is set.
6970         (const_vector_immediate_p): New.
6971         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6972         accept a CONST_VECTOR with symbols.
6973         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6974         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6975         correctly.
6976         * config/spu/spu.md (high, low): Delete.
6977         (low_<mode>): Define.
6978
6979         Remove INTRmode and INTR_REGNUM, which didn't work.
6980         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6981         of INTR_REGNUM.
6982         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6983         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6984         peephole2 pattern): Don't use INTR or 131.
6985         (movintrcc): Delete.
6986         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6987         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6988         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6989         (UNSPEC_SET_INTR): Add.
6990         * config/spu/spu-modes.def (INTR): Remove.
6991
6992         More accurate warnings about run-time relocations.
6993         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6994
6995         Correctly warn about immediate arguments to specific intrinsics.
6996         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6997         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6998         the instruction predicate.
6999
7000         Fix tree check errors with latest update.
7001         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
7002         CALL_EXPR_ARG.
7003         (spu_expand_builtin): Use CALL_EXPR_FN.
7004
7005         Add missing specific intrinsics.
7006         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
7007         si_bislede.
7008         * config/spu/spu_internals.h: Ditto.
7009
7010         Fix incorrect operand modifiers.
7011         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
7012         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
7013
7014         Optimize one case of zero_extend of a vec_select.
7015         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
7016
7017         Accept any immediate for hbr.
7018         * config/spu/spu.md (hbr):  Change s constraints to i.
7019
7020 2007-02-21  Paul Brook  <paul@codesourcery.com>
7021
7022         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
7023         condexec_count when skipping USE and CLOBBER.
7024
7025 2007-02-21  Nick Clifton  <nickc@redhat.com>
7026
7027         * common.opt (Warray-bounds): Add Warning attribute.
7028         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
7029         Likewise.
7030         (fsized-zeroes): Add Optimization attribute.
7031         (fsplit-wide-types, ftree-scev-cprop): Likewise.
7032         * c.opt (Wc++0x-compat): Add Warning attribute.
7033
7034 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7035
7036         PR middle-end/30761
7037         * reload1.c (eliminate_regs_in_insn): In the single_set special
7038         case, attempt to re-recognize the insn before falling back to
7039         having reload fix it up.
7040
7041 2007-02-20  Eric Christopher  <echristo@gmail.com>
7042
7043         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
7044         Rewrite accordingly.
7045         (frv_read_iacc_argument): Ditto.
7046         (frv_expand_set_builtin): Take a call instead of arglist, update for
7047         above changes.
7048         (frv_expand_unop_builtin): Ditto.
7049         (frv_expand_binop_builtin): Ditto.
7050         (frv_expand_cut_builtin): Ditto.
7051         (frv_expand_binopimm_builtin): Ditto.
7052         (frv_expand_voidbinop_builtin): Ditto.
7053         (frv_expand_int_void2arg): Ditto.
7054         (frv_expand_prefetches): Ditto.
7055         (frv_expand_voidtriop_builtin): Ditto.
7056         (frv_expand_voidaccop_builtin): Ditto.
7057         (frv_expand_load_builtin): Ditto.
7058         (frv_expand_store_builtin): Ditto.
7059         (frv_expand_mdpackh_builtin): Ditto.
7060         (frv_expand_mclracc_builtin): Ditto.
7061         (frv_expand_mrdacc_builtin): Ditto.
7062         (frv_expand_mwtacc_builtin): Ditto.
7063         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
7064         calls for above.
7065
7066 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
7067
7068         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
7069         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
7070         cmpb instruction.
7071         (HAVE_GAS_DFP): Check for assembler support of decimal floating
7072         point instructions.
7073         * configure: Regenerate.
7074         * config.in: Regenerate.
7075         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
7076         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
7077         masks to power6 and power6x and to POWERPC_MASKS.
7078         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7079         _ARCH_PWR6.
7080         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
7081         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
7082         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7083         Access PROTOTYPE as variable, not mask.
7084
7085 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7086
7087         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
7088         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
7089         * combine.c (adjust_for_new_dest): Use it.
7090         * postreload.c (reload_combine): Likewise.
7091
7092 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7093
7094         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
7095         notes on an insn with multiple sets, even if single_set returns
7096         non-NULL for that insn.
7097
7098 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7099
7100         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
7101         scalbn and scalbln.
7102
7103 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
7104
7105         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
7106         if user didn't pass it.
7107         * config/i386/darwin.h (CC1_SPEC): Likewise.
7108         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
7109         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
7110         -mmacosx-version-min.
7111
7112 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7113             Uros Bizjak  <ubizjak@gmail.com>
7114
7115         * optabs.h (enum optab_index): Add new OTI_scalb.
7116         (scalb_optab): Define corresponding macro.
7117         * optabs.c (init_optabs): Initialize scalb_optab.
7118         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
7119         patterns.
7120         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
7121         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
7122         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
7123         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
7124         flag_unsafe_math_optimizations is set.
7125
7126         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
7127         to implement scalbf, scalb and scalbl built-ins as inline x87
7128         intrinsics.
7129
7130 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7131             DJ Delorie <dj@redhat.com>
7132
7133         PR other/30824
7134         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
7135         (diagnostic_report_diagnostic): ... here, and turn them into real
7136         errors. If warnings are inhibited, no need to do anything.
7137
7138 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
7139
7140         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
7141         better code generation.
7142
7143 2007-02-20  Ben Elliston  <bje@au.ibm.com>
7144
7145         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
7146
7147 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
7148
7149         * config/alpha/alpha.c, config/alpha/alpha.md,
7150         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
7151         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
7152         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
7153         config/arm/lib1funcs.asm: Follow spelling conventions.
7154
7155         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
7156         config/fr30/fr30.md, config/i386/i386.h,
7157         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7158         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
7159         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
7160         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
7161         config/rs6000/altivec.md, config/rs6000/rs6000.c,
7162         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
7163         config/sparc/sparc.c, config/sparc/sparc.h,
7164         config/sparc/sparc.md, config/spu/constraints.md,
7165         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
7166         conventions.
7167
7168 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
7169
7170         PR target/29943
7171         * varasm.c (use_blocks_for_decl_p): Return false for decls with
7172         alias attribute.
7173
7174 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7175
7176         * doc/invoke.texi (-ftree-lrs): Remove.
7177
7178 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
7179
7180         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
7181         NULL.
7182
7183 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
7184
7185         * config/ia64/ia64.c (ia64_expand_builtin): Use the
7186         new CALL_EXPR_FN macro for retrieving the function
7187         declaration of the input expression.
7188
7189 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7190
7191         * c.opt (Waddress): New.
7192         * common.opt (Walways-true): Delete.
7193         (Wstring-literal-comparison): Delete.
7194         * doc/invoke.texi (Warning Options): Delete -Walways-true and
7195         -Wstring-literal-comparison. Add -Waddress.
7196         (Waddress): New.
7197         (Walways-true): Delete.
7198         (Wstring-literal-comparison): Delete.
7199         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
7200         consistently instead of -Walways-true in example.
7201         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
7202         * c-typeck.c (parser_build_binary_op): Replace
7203         -Wstring-literal-comparison and -Walways-true with -Waddress.
7204         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
7205         with -Waddress.
7206
7207 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7208
7209         * tree-cfg.c (dump_function_to_file): Be prepared for functions
7210         without DECL_STRUCT_FUNCTION initialized.
7211
7212 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7213
7214         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
7215         due to calls to functions taking pointers as parameters.
7216
7217 2007-02-19  Richard Henderson  <rth@redhat.com>
7218
7219         PR debug/29558
7220         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
7221         in memory.
7222
7223 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7224
7225         * config/s390/s390.c (s390_call_saved_register_used,
7226         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
7227         accessed to the new scheme.
7228
7229 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7230
7231         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
7232         (cris_print_index, cris_print_operand, cris_print_operand_address)
7233         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
7234         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
7235         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7236         GET_CODE () == xxx.
7237         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7238         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7239         GO_IF_LEGITIMATE_ADDRESS): Ditto.
7240         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7241         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7242         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7243         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7244         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7245         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7246         (uminsi3, call, call_value): Ditto.
7247         (define_split: indir_to_reg_split, unnamed): Ditto.
7248
7249 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
7250
7251         PR tree-optimization/30975
7252         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7253         wrong assert.
7254
7255 2007-02-18  Eric Christopher  <echristo@gmail.com>
7256
7257         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7258         Remove use of arglist.
7259         (mips_expand_builtin): Remove use of arglist, pass in expr.
7260         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7261         (mips_expand_builtin_movtf): Ditto.
7262         (mips_expand_builtin_compare): Ditto.
7263
7264 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7265
7266         * tree-sra.c (sra_build_assignment): Replace assertion
7267         checking with a comment explaining why it can't be done.
7268
7269 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7270
7271         PR middle-end/30833
7272         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7273         during CALL_EXPR representation conversion.
7274         * tree-ssa-propagate.c (set_rhs): Likewise.
7275
7276 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7277
7278         * tree-sra.c (sra_build_assignment): Disable assertion checking
7279         for now.
7280
7281 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7282
7283         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7284         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7285         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7286         Likewise.
7287         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7288         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
7289         gimplify_init_ctor_eval_range, gimple_push_cleanup,
7290         gimplify_omp_for, gimplify_omp_atomic_pipeline,
7291         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7292         force_gimple_operand): Likewise.
7293         * ipa-cp.c (constant_val_insert): Likewise.
7294         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7295         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7296         perfect_nestify): Likewise.
7297         * langhooks.c (lhd_omp_assignment): Likewise.
7298         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7299         lower_copyprivate_clauses, lower_send_clauses,
7300         lower_send_shared_vars, expand_parallel_call,
7301         expand_omp_for_generic, expand_omp_for_static_nochunk,
7302         expand_omp_for_static_chunk, expand_omp_sections,
7303         lower_omp_single_copy, lower_omp_for_lastprivate,
7304         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7305         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7306         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7307         Likewise.
7308
7309 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7310
7311         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7312         config/sh/sh.md: Follow spelling conventions.
7313
7314         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7315         config/frv/predicates.md: Follow spelling conventions.
7316
7317         * config/m68k/linux-unwind.h: Fix a comment typo.
7318         * target.h: Follow spelling conventions.
7319
7320 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7321
7322         PR rtl-optimization/28173
7323         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7324         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7325         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7326         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7327         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7328
7329 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7330
7331         * builtins.c (fold_builtin_load_exponent): New.
7332         (fold_builtin_2): Use it.
7333
7334 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7335
7336         PR rtl-optimization/30773
7337         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7338         if we fail to attach a REG_EQUIV note.
7339
7340 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7341             Roger Sayle  <roger@eyesopen.com>
7342
7343         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7344
7345 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7346
7347         * calls.c (initialize_argument_information): Pass original EXP
7348         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7349         code to split complex arguments here, as part of initializing the
7350         ARGS array.
7351         (expand_call): Remove code that builds a list of arguments and
7352         inserts implicit arguments into it.  Instead, just count how many
7353         implicit arguments there will be so we can determine the size of
7354         the ARGS array, and let initialize_argument_information do the work.
7355         (split_complex_values): Delete unused function.
7356
7357 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7358
7359         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7360
7361 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7362
7363         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7364         for arg pointer based indexed addressing.
7365
7366 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7367
7368         * config/ia64/ia64.h, config/ia64/ia64.md,
7369         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7370         spelling conventions.
7371
7372 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7373
7374         * config/m68k/m68k.c (split_di): New.
7375         * config/m68k/m68k-protos.h: Declare split_di.
7376         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7377           Improve predicate handling and split constant shifts.
7378
7379 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7380
7381         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7382         parameter for register bitfield operations, general predicates
7383         cleanup
7384
7385 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7386
7387         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7388         * config/m68k/linux-unwind.h: New file.
7389
7390 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7391
7392         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7393         config/i386/athlon.md, config/ia64/ia64.md,
7394         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7395         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7396         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7397         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7398         tree-vect-transform.c: Fix comment typos.
7399
7400 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7401
7402         * sched-deps.c (find_insn_list): Remove.
7403         * sched-int.h: Remove the prototype for find_insn_list.
7404
7405 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7406
7407         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7408         to linker.
7409         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7410         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7411         darwin_rs6000_override_options.
7412         (C_COMMON_OVERRIDE_OPTIONS): Expect
7413         darwin_macosx_version_min to be non-NULL always.
7414         (TARGET_C99_FUNCTIONS): Likewise.
7415         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7416         (DARWIN_MINVERSION_SPEC): New.
7417         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7418         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7419         to cc1*.
7420         (DARWIN_MINVERSION_SPEC): New.
7421         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7422         value.
7423         * config/darwin-c.c (darwin_cpp_builtins): Expect
7424         darwin_macosx_version_min to be non-NULL always.
7425
7426         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7427
7428 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7429
7430         * config/i386/i386.h (x86_use_xchgb): New.
7431         (TARGET_USE_XCHGB): New macro.
7432         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7433         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7434         Split after reload into bswaphi for shifts of 8.
7435         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7436         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7437         or when optimizing for size.
7438
7439 2007-02-16  Richard Guenther  <rguenther@suse.de>
7440             Christian Bruel  <christian.bruel@st.com>
7441
7442         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7443         DECLs but prefer SSA_NAMEs over DECLs.
7444
7445 2007-02-16  Richard Guenther  <rguenther@suse.de>
7446
7447         * tree-flow-inline.h (single_imm_use_p): Remove.
7448         (zero_imm_uses_p): Likewise.
7449         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7450         instead of single_imm_use_p.
7451         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7452         zero_imm_uses_p.
7453
7454 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7455
7456         PR other/27843
7457         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7458         nested double- and backquotes.
7459
7460 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7461
7462         PR middle-end/30391
7463         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7464         should be unreachable.
7465         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7466         For the time being redirect GIMPLE_MODIFY_STMT to the new
7467         (renamed) build_gimple_modify_stmt_stat.
7468         (build2_gimple_stat): Rename to...
7469         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7470         Always build a GIMPLE_MODIFY_STMT node.
7471         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7472         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7473         declarations.
7474
7475         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7476         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7477         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7478         expand_complex_div_wide): Likewise.
7479         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7480         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7481         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7482         * tree-ssa-loop-manip.c (create_iv): Likewise.
7483         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7484         abs_replacement): Likewise.
7485         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7486         realify_fake_stores): Likewise.
7487
7488         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7489         node rather than a GIMPLE_MODIFY_STMT node.
7490         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7491         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7492         Likewise.
7493         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7494         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7495         GIMPLE_MODIFY_STMT.
7496
7497 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7498
7499         PR middle-end/30433
7500         * fold-const.c (fold_comparison): Add back the
7501         folding of constant complex comparisions.
7502
7503 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7504
7505         PR middle-end/30729
7506         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7507         effects unknown to this function, return early.
7508
7509 2007-02-15  Ian Lance Taylor  <iant@google.com>
7510
7511         * lower-subreg.c (move_eh_region_note): New static function.
7512         (resolve_simple_move): Call it.
7513         (decompose_multiword_subregs): Track blocks for which we resolve a
7514         simple move which is also a control flow insn.  Pass them to
7515         find_many_sub_basic_blocks.
7516         (pass_lower_subreg): Add TODO_verify_flow.
7517         (pass_lower_subreg2): Likewise.
7518
7519 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7520             Brooks Moses  <brooks.moses@codesourcery.com>
7521             Lee Millward  <lee.millward@codesourcery.com>
7522
7523         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7524         (VL_EXP_CLASS_P): New.
7525         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7526         TREE_CODE_LENGTH.
7527         (TREE_OPERAND_CHECK_CODE): Likewise.
7528         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7529         (TREE_RTL_OPERAND_CHECK): Likewise.
7530         (tree_operand_check_failed): Make second parameter the whole tree
7531         instead of its code.  Fixed callers.
7532         (VL_EXP_CHECK): New.
7533         (TREE_OPERAND_LENGTH): New.
7534         (VL_EXP_OPERAND_LENGTH): New.
7535         (CALL_EXPR_FN): New.
7536         (CALL_EXPR_STATIC_CHAIN): New.
7537         (CALL_EXPR_ARGS): New.
7538         (CALL_EXPR_ARG): New.
7539         (call_expr_nargs): New.
7540         (CALL_EXPR_ARGP): New.
7541         (build_nt_call_list): Declare.
7542         (build_vl_exp_stat): Declare.
7543         (build_vl_exp): New.
7544         (build_call_list): Declare.
7545         (build_call_nary): Declare.
7546         (build_call_valist): Declare.
7547         (build_call_array): Declare.
7548         (call_expr_arg): Declare.
7549         (call_expr_argp): Declare.
7550         (call_expr_arglist): Declare.
7551         (fold_build_call_list): Declare.
7552         (fold_build_call_list_initializer): Declare.
7553         (fold_call_expr): Declare to replace fold_builtin.
7554         (fold_builtin_fputs): Update to agree with modified definition.
7555         (fold_builtin_strcpy): Likewise.
7556         (fold_builtin_strncpy): Likewise.
7557         (fold_builtin_memory_chk): Likewise.
7558         (fold_builtin_stxcpy_chk): Likewise.
7559         (fold_builtin_strncpy_chk): Likewise.
7560         (fold_builtin_next_arg): Likewise.
7561         (fold_build_call_expr): Declare.
7562         (fold_builtin_call_list): Declare.
7563         (fold_builtin_call_valist): Declare.
7564         (build_call_expr): Declare.
7565         (validate_arglist): Update to agree with modified definition.
7566         (tree_operand_length): New.
7567         (call_expr_arg_iterator): New.
7568         (init_call_expr_arg_iterator): New.
7569         (next_call_expr_arg): New.
7570         (first_call_expr_arg): New.
7571         (more_call_expr_args_p): New.
7572         (FOR_EACH_CALL_EXPR_ARG): New.
7573
7574         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7575         and tcc_gimple_stmt.
7576         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7577         than sizeof (char *).
7578         (tree_size): Likewise.  Add case for tcc_vl_exp.
7579         (tree_node_structure): Add case for tcc_vl_exp.
7580         (contains_placeholder_p): Likewise.
7581         (substitute_in_expr): Likewise.
7582         (substitute_placeholder_in_expr): Likewise.
7583         (stabilize_reference_1): Likewise.
7584         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7585         to diagnose breakage of this interface for constructing CALL_EXPRs.
7586         (build_nt): Add similar assertion here.
7587         (build_nt_call_list): New.
7588         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7589         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7590         TREE_CODE_LENGTH.
7591         (get_callee_fndecl): Use new CALL_EXPR accessors.
7592         (tree_operand_check_failed): Change parameters to pass entire node
7593         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7594         (process_call_operands): New.
7595         (build_vl_exp_stat): New.
7596         (build_call_list): New.
7597         (build_call_nary): New.
7598         (build_call_valist): New.
7599         (build_call_array): New.
7600         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7601         (call_expr_arglist): New.
7602
7603         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7604         tcc_vl_exp instead of a fixed-size tcc_expression.
7605
7606         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7607         accessors for CALL_EXPRs.
7608         (AGGR_INIT_EXPR): Likewise.
7609
7610 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7611             Brooks Moses  <brooks.moses@codesourcery.com>
7612             Lee Millward  <lee.millward@codesourcery.com>
7613
7614         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7615         (expand_builtin_nonlocal_goto): Change parameter to be entire
7616         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7617         (expand_builtin_prefetch): Likewise.
7618         (expand_builtin_classify_type): Likewise.
7619         (mathfn_built_in): Return NULL_TREE instead of 0.
7620         (expand_errno_check): Use new CALL_EXPR accessors.
7621         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7622         Return NULL_RTX instead of 0.
7623         (expand_builtin_mathfn_2): Likewise.
7624         (expand_builtin_mathfn_3): Likewise.
7625         (expand_builtin_interclass_mathfn): Likewise.
7626         (expand_builtin_sincos): Likewise.
7627         (expand_builtin_cexpi): Likewise.
7628         (expand_builtin_int_roundingfn): Likewise.
7629         (expand_builtin_int_roundingfn_2): Likewise.
7630         (expand_builtin_pow): Likewise.
7631         (expand_builtin_powi): Likewise.
7632         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7633         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7634         accessors and constructors.  Return NULL_RTX instead of 0.
7635         (expand_builtin_strstr): Likewise.
7636         (expand_builtin_strchr): Likewise.
7637         (expand_builtin_strrchr): Likewise.
7638         (expand_builtin_strpbrk): Likewise.
7639         (expand_builtin_memcpy): Likewise.
7640         (expand_builtin_mempcpy): Likewise.
7641         (expand_builtin_mempcpy_args): New.
7642         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7643         (expand_builtin_memmove_args): New.
7644         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7645         (expand_movstr): Likewise.
7646         (expand_builtin_strcpy): Likewise.
7647         (expand_builtin_strcpy_args): New.
7648         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7649         (expand_builtin_strncpy): Likewise.
7650         (expand_builtin_memset): Likewise.
7651         (expand_builtin_memset_args): New.
7652         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7653         (expand_builtin_memcmp): Likewise.
7654         (expand_builtin_strcmp): Likewise.
7655         (expand_builtin_strncmp): Likewise.
7656         (expand_builtin_strcat): Likewise.
7657         (expand_builtin_strncat): Likewise.
7658         (expand_builtin_strspn): Likewise.
7659         (expand_builtin_strcspn): Likewise.
7660         (expand_builtin_args_info): Likewise.
7661         (expand_builtin_va_start): Likewise.
7662         (gimplify_va_arg_expr): Likewise.
7663         (expand_builtin_va_end): Likewise.
7664         (expand_builtin_va_copy): Likewise.
7665         (expand_builtin_frame_address): Likewise.
7666         (expand_builtin_alloca): Likewise.
7667         (expand_builtin_bswap): Likewise.
7668         (expand_builtin_unop): Likewise.
7669         (expand_builtin_fputs): Likewise.
7670         (expand_builtin_expect): Likewise.
7671         (expand_builtin_fabs): Likewise.
7672         (expand_builtin_copysign): Likewise.
7673         (expand_builtin_printf): Likewise.
7674         (expand_builtin_fprintf): Likewise.
7675         (expand_builtin_sprintf): Likewise.
7676         (expand_builtin_init_trampoline): Likewise.
7677         (expand_builtin_signbit): Likewise.
7678         (expand_builtin_fork_or_exec): Likewise.
7679         (expand_builtin_sync_operation): Likewise.
7680         (expand_builtin_compare_and_swap): Likewise.
7681         (expand_builtin_lock_test_and_set): Likewise.
7682         (expand_builtin_lock_release): Likewise.
7683         (expand_builtin): Likewise.
7684         (builtin_mathfn_code): Likewise.
7685
7686         (fold_builtin_constant_p): Pass call arguments individually instead
7687         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7688         accessors and constructors.  Return NULL_TREE instead of 0.
7689         (fold_builtin_expect): Likewise.
7690         (fold_builtin_classify_type): Likewise.
7691         (fold_builtin_strlen): Likewise.
7692         (fold_builtin_nan): Likewise.
7693         (integer_valued_real_p): Likewise.
7694         (fold_trunc_transparent_mathfn): Likewise.
7695         (fold_fixed_mathfn): Likewise.
7696         (fold_builtin_cabs): Likewise.
7697         (fold_builtin_sqrt): Likewise.
7698         (fold_builtin_cbrt): Likewise.
7699         (fold_builtin_cos): Likewise.
7700         (fold_builtin_cosh): Likewise.
7701         (fold_builtin_tan): Likewise.
7702         (fold_builtin_sincos): Likewise.
7703         (fold_builtin_cexp): Likewise.
7704         (fold_builtin_trunc): Likewise.
7705         (fold_builtin_floor): Likewise.
7706         (fold_builtin_ceil): Likewise.
7707         (fold_builtin_round): Likewise.
7708         (fold_builtin_int_roundingfn): Likewise.
7709         (fold_builtin_bitop): Likewise.
7710         (fold_builtin_bswap): Likewise.
7711         (fold_builtin_logarithm): Likewise.
7712         (fold_builtin_hypot): Likewise.
7713         (fold_builtin_pow): Likewise.
7714         (fold_builtin_powi): Likewise.
7715         (fold_builtin_exponent): Likewise.
7716         (fold_builtin_memset): Likewise.
7717         (fold_builtin_bzero): Likewise.
7718         (fold_builtin_memory_op): Likewise.
7719         (fold_builtin_bcopy): Deleted; call site changed to invoke
7720         fold_builtin_memory_op directly.
7721         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7722         (fold_builtin_strncpy): Likewise.
7723         (fold_builtin_memcmp): Likewise.
7724         (fold_builtin_strcmp): Likewise.
7725         (fold_builtin_strncmp): Likewise.
7726         (fold_builtin_signbit): Likewise.
7727         (fold_builtin_copysign): Likewise.
7728         (fold_builtin_isascii): Likewise.
7729         (fold_builtin_toascii): Likewise.
7730         (fold_builtin_isdigit): Likewise.
7731         (fold_builtin_fabs): Likewise.
7732         (fold_builtin_abs): Likewise.
7733         (fold_builtin_fmin_fmax): Likewise.
7734         (fold_builtin_carg): Likewise.
7735         (fold_builtin_classify): Likewise.
7736         (fold_builtin_unordered_cmp): Likewise.
7737
7738         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7739         New functions split out from fold_builtin_1.
7740         (fold_builtin_n): New.
7741         (fold_builtin_varargs): New.
7742         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7743         instead.
7744         (fold_call_expr): New.
7745         (build_function_call_expr): Rewrite to use new helper function.
7746         (fold_builtin_call_list): New.
7747         (build_call_expr): New.
7748         (fold_builtin_call_valist): New.
7749         (rewrite_call_expr): New.
7750         (validate_arg): New.
7751         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7752         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7753         accessors.
7754
7755         (fold_builtin_strstr):  Pass call arguments individually instead
7756         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7757         accessors and constructors.  Return NULL_TREE instead of 0.
7758         (fold_builtin_strchr): Likewise.
7759         (fold_builtin_strrchr): Likewise.
7760         (fold_builtin_strpbrk): Likewise.
7761         (fold_builtin_strcat): Likewise.
7762         (fold_builtin_strncat): Likewise.
7763         (fold_builtin_strspn): Likewise.
7764         (fold_builtin_strcspn): Likewise.
7765         (fold_builtin_fputs): Likewise.
7766         (fold_builtin_next_arg): Likewise.
7767         (fold_builtin_sprintf): Likewise.
7768
7769         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7770         NULL_RTX instead of 0.
7771         (expand_builtin_memory_chk): Likewise.
7772         (maybe_emit_chk_warning): Likewise.
7773         (maybe_emit_sprintf_chk_warning): Likewise.
7774
7775         (fold_builtin_object_size): Pass call arguments individually instead
7776         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7777         accessors and constructors.  Return NULL_TREE instead of 0.
7778         (fold_builtin_memory_chk): Likewise.
7779         (fold_builtin_stxcpy_chk): Likewise.
7780         (fold_builtin_strncpy_chk): Likewise.
7781         (fold_builtin_strcat_chk): Likewise.
7782         (fold_builtin_strcat_chk): Likewise.
7783         (fold_builtin_strncat_chk): Likewise.
7784         (fold_builtin_sprintf_chk): Likewise.
7785         (fold_builtin_snprintf_chk): Likewise.
7786         (fold_builtin_printf): Likewise.
7787         (fold_builtin_vprintf): Likewise.
7788
7789         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7790         constructors.
7791         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7792         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7793         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7794         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7795         (fold_unary): Likewise.
7796         (fold_binary): Likewise.
7797         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7798         ternary expressions.
7799         (fold): Add logic for tcc_vl_exp.
7800         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7801         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7802         (fold_build3_stat): Add assertion to flag broken interface for
7803         constructing CALL_EXPRs.
7804         (fold_build_call_list): New.
7805         (fold_build_call_list_initializer): New.
7806         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7807         constructors.
7808         (fold_strip_sign_ops): Likewise.
7809
7810 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7811             Brooks Moses  <brooks.moses@codesourcery.com>
7812             Lee Millward  <lee.millward@codesourcery.com>
7813
7814         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7815         accessors and dump arguments explicitly.
7816
7817         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7818         TREE_CODE_LENGTH.
7819         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7820         explicitly.
7821         (print_call_name): Use new CALL_EXPR accessors.
7822
7823         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7824         CALL_EXPR arguments explicitly instead of as a list.  Use
7825         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7826
7827         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7828         (vrp_visit_stmt): Likewise.
7829
7830         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7831         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7832         TREE_CODE_LENGTH.
7833         (force_move_till_expr): Likewise.
7834
7835         * targhooks.c (default_external_stack_protect_fail): Use
7836         build_call_expr instead of build_function_call_expr.
7837         (default_hidden_stack_protect_fail): Likewise.
7838
7839         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7840         build the call.
7841
7842         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7843         and walk arguments explicitly.
7844
7845         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7846         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7847         (expand_simple_operations): Likewise.
7848         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7849
7850         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7851         of TREE_CODE_LENGTH.
7852         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7853
7854         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7855         instead of TREE_CODE_LENGTH.
7856
7857         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7858         (tree_ic_transform): Likewise.
7859         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7860         parameter instead of arglist.  Fix callers.
7861         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7862         (tree_stringops_transform): Likewise.
7863         (tree_indirect_call_to_profile): Likewise.
7864         (tree_stringops_values_to_profile): Likewise.
7865
7866         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7867         (eliminate_tail_call): Likewise.
7868
7869         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7870
7871         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7872         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7873         operands.
7874         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7875
7876         * omp-low.c (build_omp_barrier): Use build_call_expr.
7877         (lower_rec_input_clauses): Likewise.
7878         (lower_reduction_clauses): Likewise.
7879         (expand_parallel_call): Likewise.
7880         (maybe_catch_exception): Likewise.
7881         (expand_omp_for_generic): Likewise.
7882         (expand_omp_for_static_nochunk): Likewise.
7883         (expand_omp_sections): Likewise.
7884         (lower_omp_single_simple): Likewise.
7885         (lower_omp_single_copy): Likewise.
7886         (lower_omp_master): Likewise.
7887         (lower_omp_ordered): Likewise.
7888         (lower_omp_critical): Likewise.
7889
7890         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7891         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7892
7893         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7894         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7895         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7896
7897         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7898         and generalize to handle any number of operands.
7899         (chrec_contains_undetermined): Likewise.
7900         (tree_contains_chrecs): Likewise.
7901         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7902
7903         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7904
7905         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7906         fold_call_expr instead of fold_builtin.
7907         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7908         match declarations there.
7909         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7910         updates.
7911
7912         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7913         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7914
7915         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7916         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7917
7918         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7919         accessors.
7920
7921         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7922         (execute_cse_sincos): Use new CALL_EXPR accessors.
7923
7924         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7925
7926         * gimple-low.c (lower_function_body): Use build_call_expr.
7927         (lower_builtin_setjmp): Likewise.
7928
7929         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7930         (set_storage_via_libcall): Likewise.
7931         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7932         instead of TREE_CODE_LENGTH.
7933         (expand_expr_real_1): Use new CALL_EXPR accessors.
7934
7935         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7936         generalize to handle any number of operands.
7937         (TB_parent_eq): Likewise.
7938
7939         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7940         (strip_builtin_expect): Likewise.
7941
7942         * function.c (gimplify_parameters): Use build_call_expr.
7943
7944         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7945         instead of TREE_CODE_LENGTH.
7946
7947         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7948         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7949
7950         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7951         iterators.
7952
7953         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7954         (gimplify_decl_expr): Likewise.
7955         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7956         Use new CALL_EXPR iterators.
7957         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7958         (gimplify_modify_expr_to_memset): Likewise.
7959         (gimplify_variable_sized_compare): Likewise.
7960         (gimplify_omp_atomic_fetch_op): Likewise.
7961         (gimplify_omp_atomic_pipeline): Likewise.
7962         (gimplify_omp_atomic_mutex): Likewise.
7963         (gimplify_function_tree): Likewise.
7964
7965         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7966         (call_expr_flags): Likewise.
7967         (expand_call): Likewise.
7968
7969         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7970         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7971         accessors.
7972
7973         * coverage.c (create_coverage): Use build_call_expr.
7974
7975         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7976         (temp_call_expr_obstack): New.
7977         (pool_copy_list): Delete.
7978         (temp_copy_call_expr): New.
7979         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7980         CALL_EXPR accessors.  Get rid of special goo for copying argument
7981         lists and use temp_copy_call_expr instead.
7982         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7983         CALL_EXPR accessors.
7984         (create_expression_by_pieces): Likewise.  Use build_call_array
7985         to construct the result instead of fold_build3.
7986         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7987         dealing with argument lists.
7988         (init_pre): Remove references to expression_node_pool and
7989         list_node_pool.  Init temp_call_expr_obstack instead.
7990         (fini_pre): Remove references to expression_node_pool and
7991         list_node_pool.
7992
7993         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7994         and walk arguments explicitly instead of as a list.
7995
7996         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7997         (mx_register_decls): Likewise.
7998         (mudflap_register_call): Likewise.
7999         (mudflap_finish_file): Likewise.
8000
8001         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
8002         (ipa_callsite_compute_param): Likewise.
8003
8004         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
8005         accessors and constructor.
8006
8007         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
8008         accessors and constructor.
8009         (convert_tramp_reference): Likewise.
8010         (convert_call_expr): Likewise.
8011         (finalize_nesting_tree_1): Likewise.
8012
8013         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
8014         accessors.
8015
8016         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
8017
8018         * tree-inline.c (initialize_inlined_parameters): Pass entire
8019         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
8020         accessors.
8021         (estimate_num_insns_1): Use new CALL_EXPR accessors.
8022         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
8023
8024         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
8025         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8026         (vectorizable_reduction): Likewise.
8027         (vectorizable_call): Use new CALL_EXPR iterators.
8028         (vectorizable_conversion): Use build_call_expr.
8029         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
8030         (vect_gen_widened_results_half): Use build_call_expr.
8031         (vect_setup_realignment): Likewise.
8032         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
8033
8034         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
8035         (pass_through_call): Likewise.
8036         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
8037         fold_builtin.
8038
8039         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
8040         (tree_gen_pow2_profiler): Likewise.
8041         (tree_gen_one_value_profiler): Likewise.
8042         (tree_gen_ic_func_profiler): Likewise.
8043         (tree_gen_average_profiler): Likewise.
8044         (tree_gen_ior_profiler): Likewise.
8045
8046         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
8047         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
8048         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8049
8050         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
8051         of TREE_CODE_LENGTH.
8052
8053         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
8054         of TREE_CODE_LENGTH.
8055
8056         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
8057         constructor.
8058         (convert_to_integer): Likewise.
8059
8060         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
8061         accessors.
8062
8063 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8064             Brooks Moses  <brooks.moses@codesourcery.com>
8065             Lee Millward  <lee.millward@codesourcery.com>
8066
8067         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
8068         accessors.
8069         * config/frv/frv.c (frv_expand_builtin): Likewise.
8070         * config/s390/s390.c (s390_expand_builtin): Likewise.
8071
8072         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
8073         (sparc_expand_builtin): Use new CALL_EXPR accessors.
8074
8075         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
8076         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
8077         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
8078         (ix86_expand_store_builtin): Likewise.
8079         (ix86_expand_unop_builtin): Likewise.
8080         (ix86_expand_unop1_builtin): Likewise.
8081         (ix86_expand_sse_compare): Likewise.
8082         (ix86_expand_sse_comi): Likewise.
8083         (ix86_expand_vec_init_builtin): Likewise.
8084         (ix86_expand_vec_ext_builtin): Likewise.
8085         (ix86_expand_vec_set_builtin): Likewise.
8086         (ix86_expand_builtin): Use new CALL_EXPR accessors.
8087
8088         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
8089         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8090
8091         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
8092         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8093         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
8094
8095         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
8096         build_call_expr.
8097         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8098         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
8099         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8100         (altivec_expand_abs_builtin): Likewise.
8101         (rs6000_expand_binop_builtin): Likewise.
8102         (altivec_expand_predicate_builtin): Likewise.
8103         (altivec_expand_lv_builtin): Likewise.
8104         (spe_expand_stv_builtin): Likewise.
8105         (altivec_expand_stv_builtin): Likewise.
8106         (rs6000_expand_ternop_builtin): Likewise.
8107         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
8108         (altivec_expand_st_builtin): Likewise.
8109         (altivec_expand_dst_builtin): Likewise.
8110         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
8111         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8112         (altivec_expand_vec_set_builtin): Likewise.
8113         (altivec_expand_vec_ext_builtin): Likewise.
8114         (altivec_expand_builtin): Use new CALL_EXPR accessors.
8115         (spe_expand_builtin): Likewise.
8116         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
8117         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8118         (spe_expand_evsel_builtin): Likewise.
8119         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
8120         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
8121
8122         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
8123         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8124         (arm_expand_unop_builtin): Likewise.
8125         (arm_expand_builtin): Use new CALL_EXPR accessors.
8126
8127         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
8128         accessors.
8129
8130         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
8131         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8132         (bfin_expand_unop_builtin): Likewise.
8133         (bfin_expand_builtin): Use new CALL_EXPR accessors.
8134
8135 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8136             Brooks Moses  <brooks.moses@codesourcery.com>
8137             Lee Millward  <lee.millward@codesourcery.com>
8138
8139         * c-semantics.c (build_stmt): Add internal diagnostic check.
8140
8141         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
8142         accessors.  Print arguments explicitly instead of as a list.
8143
8144         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
8145
8146         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
8147         (c_finish_omp_flish): Likewise.
8148
8149         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
8150         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
8151         instead of TREE_CODE_LENGTH.
8152         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
8153         (c_warn_unused_result): Likewise.
8154
8155 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8156
8157         PR c/26494
8158         * doc/invoke.texi (Warning Options): Remove
8159         -Werror-implicit-function-declaration.
8160         (Wimplicit-function-declaration): Update description.
8161         * opts.c (common_handle_option): Move handling of -Werror=* to...
8162         (enable_warning_as_error): ...here.
8163         * opts.h (enable_warning_as_error): Declare.
8164         * c-decl.c (implicit_decl_warning): Unless
8165         -Wno-implicit-function-declaration is given, emit a pedwarn if
8166         -std=c99 or emit a warning if -Wimplicit-function-declaration.
8167         * c.opt (Wimplicit-function-declaration): Replace
8168         mesg_implicit_function_declaration with
8169         warn_implicit_function_declaration.
8170         * c-opts.c (c_common_handle_option):
8171         -Werror-implicit-function-declaration is exactly equal as
8172         -Werror=implicit-function-declaration.
8173         (set_Wimplicit): Replace mesg_implicit_function_declaration with
8174         warn_implicit_function_declaration.
8175         (c_common_post_options): -Wimplict-function-declaration is enabled
8176         by default by -std=c99, otherwise is disabled by default.
8177         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
8178
8179 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8180
8181         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
8182         DECL on the rhs to a DECL on the lhs for debug info purposes if the
8183         former is ignored but not the latter.
8184
8185 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8186
8187         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
8188         is made and the reference doesn't use the alias set of its type,
8189         do not create the temporary using that type.
8190
8191 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
8192
8193         * jump.c: Remove prototypes for delete_computation and
8194         delete_prior_computation.
8195
8196 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8197
8198         * jump.c (get_label_after): Delete.
8199         (get_label_before, delete_computation, delete_jump,
8200         delete_prior_computation, follow_jumps): Move...
8201         * reorg.c (delete_computation, delete_prior_computation): ... here...
8202         (get_label_before, delete_jump): ... making these static ...
8203         (follow_jumps): ... and simplifying this since it only runs after
8204         reload.
8205         * rtl.h (get_label_after, get_label_before, delete_jump,
8206         follow_jumps): Delete prototypes.
8207
8208 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8209
8210         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
8211
8212 2007-02-15  Nick Clifton  <nickc@redhat.com>
8213
8214         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
8215         order to prevent it from being munged by the target.
8216
8217 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
8218
8219         * config/i386/i386.md: Remove misleading comment.
8220
8221 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8222
8223         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
8224         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
8225         invalid patterns.
8226
8227 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8228
8229         * tree-sra.c (instantiate_missing_elements): Canonicalize
8230         bit-field types.
8231         (sra_build_assignment): New.
8232         (generate_copy_inout, generate_element_copy,
8233         generate_element_zero, generate_one_element_init): Use it.
8234
8235 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8236
8237         * tree-sra.c (instantiate_missing_elements): Canonicalize
8238         bit-field types.
8239         (sra_build_assignment): New.
8240         (generate_copy_inout, generate_element_copy,
8241         generate_element_zero, generate_one_element_init): Use it.
8242
8243 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8244
8245         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8246         limbo die nodes.
8247
8248 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
8249
8250         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8251         types as aggregates not scalars.
8252         * function.c (assign_stack_temp_for_type): Likewise.
8253
8254 2007-02-14  Roger Sayle  <roger@eyesopen.com>
8255             Zdenek Dvorak  <dvorakz@suse.cz>
8256
8257         * tree-dump.c (dump_switch_p_1): Require exact match of the option
8258         name.
8259
8260 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
8261
8262         * passes.c (next_pass_1): Clear the next field of the copied
8263         pass structure.
8264
8265 2007-02-14  Richard Henderson  <rth@redhat.com>
8266
8267         * tree-sra.c (early_sra): New.
8268         (decl_can_be_decomposed_p): Deny va_list if early_sra.
8269         (tree_sra_early, pass_sra_early): New.
8270         * tree-pass.h (pass_sra_early): Declare.
8271         * passes.c (init_optimization_passes): Use it.
8272
8273 2007-02-14  Richard Guenther  <rguenther@suse.de>
8274
8275         * flags.h (issue_strict_overflow_warning): Convert to a macro.
8276
8277 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
8278
8279          PR tree-optimization/30771
8280         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8281         also phi nodes.
8282         (vect_analyze_operations): Induction phis can now be marked as
8283         used_in_loop.
8284         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8285         Update documentation accordingly.
8286
8287 2007-02-14  Nick Clifton  <nickc@redhat.com>
8288
8289         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8290         most 3 arguments are supported.
8291         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8292
8293 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
8294
8295         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8296         Ensure dst->current is valid.
8297
8298 2007-02-13  Paul Brook  <paul@codesourcery.com>
8299
8300         * config.gcc: Add arm*-*-uclinux-*eabi.
8301         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8302         (SUBTARGET_EXTRA_LINK_SPEC): Define.
8303         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8304         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8305         (LINK_SPEC): Define.
8306         (LIB_SPEC): Define.
8307         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8308         register.
8309         * config/arm/uclinux-eabi.h: New file.
8310         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8311         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8312         based targets.
8313
8314 2007-02-13  Ian Lance Taylor  <iant@google.com>
8315
8316         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8317         * flags.h (warn_strict_overflow): Declare.
8318         (enum warn_strict_overflow_code): Define.
8319         (issue_strict_overflow_warning): New static inline function.
8320         * opts.c (warn_strict_overflow): New variable.
8321         (common_handle_option): Handle OPT_Wstrict_overflow and
8322         OPT_Wstrict_overflow_.
8323         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8324         OPT_Wall.
8325         * fold-const.c: Include intl.h.
8326         (fold_deferring_overflow_warnings): New static variable.
8327         (fold_deferred_overflow_warning): New static variable.
8328         (fold_deferred_overflow_code): New static variable.
8329         (fold_defer_overflow_warnings): New function.
8330         (fold_undefer_overflow_warnings): New function.
8331         (fold_undefer_and_ignore_overflow_warnings): New function.
8332         (fold_deferring_overflow_warnings_p): New function.
8333         (fold_overflow_warning): New static function.
8334         (make_range): Add strict_overflow_p parameter.  Change all
8335         callers.
8336         (extract_muldiv, extract_muldiv_1): Likewise.
8337         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8338         tree_expr_nonnegative_p.
8339         (fold_negate_expr): Call fold_overflow_warning.
8340         (fold_range_test): Likewise.
8341         (fold_comparison): Likewise.
8342         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8343         instead of tree_expr_nonnegative_p.
8344         (tree_expr_nonnegative_warnv_p): Rename from
8345         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8346         (tree_expr_nonnegative_p): New function.
8347         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8348         strict_overflow_p parameter.
8349         (tree_expr_nonzero_p): New function.
8350         * passes.c (verify_interpass_invariants): New static function.
8351         (execute_one_pass): Call it.
8352         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8353         warnings.
8354         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8355         (estimate_numbers_of_iterations): Likewise.
8356         (scev_probably_wraps_p): Likewise.
8357         * tree-ssa-ccp.c: Include "toplev.h".
8358         (evaluate_stmt): Defer fold overflow warnings until we know we are
8359         going to optimize.
8360         (struct fold_stmt_r_data): Add stmt field.
8361         (fold_stmt_r): Defer fold overflow warnings until we know we
8362         optimized.
8363         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8364         (fold_stmt_inplace): Likewise.
8365         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8366         (cleanup_control_expr_graph): Defer fold overflow warnings until
8367         we know we are going to optimize.
8368         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8369         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8370         Likewise.
8371         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8372         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8373         * tree-ssa-loop-manip.c (create_iv): Likewise.
8374         * c-typeck.c (build_conditional_expr): Likewise.
8375         (build_binary_op): Likewise.
8376         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8377         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8378         (extract_range_from_unary_expr): Likewise.
8379         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8380         assuming that signed overflow does not occur.
8381         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8382         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8383         (fold_defer_overflow_warnings): Declare.
8384         (fold_undefer_overflow_warnings): Declare.
8385         (fold_undefer_and_ignore_overflow_warnings): Declare.
8386         (fold_deferring_overflow_warnings_p): Declare.
8387         (tree_expr_nonzero_warnv_p): Declare.
8388         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8389         of warning options.
8390         (Warning Options): Document -Wstrict-overflow.
8391         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8392         (tree-ssa-ccp.o): Likewise.
8393         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8394         (fold-const.o): Depend on intl.h.
8395
8396 2007-02-13  Ian Lance Taylor  <iant@google.com>
8397
8398         PR middle-end/30751
8399         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8400         addresses.
8401
8402 2007-02-13  Stuart Hastings  <stuart@apple.com>
8403
8404         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8405
8406 2007-02-13  Richard Henderson  <rth@redhat.com>
8407
8408         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8409         handled_component_p before looking for the indirect_ref.
8410
8411 2007-02-13  Richard Henderson  <rth@redhat.com>
8412
8413         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8414         remove flags clobber.
8415         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8416         (bswaphi_lowpart): New.
8417         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8418         remove TARGET_BSWAP test.  Delete expander of the same name.
8419
8420         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8421         (expand_unop): Use them.
8422
8423 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8424
8425         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8426         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8427         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8428         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8429         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8430         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8431         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8432         assembler dialect choice from asm templates.
8433
8434 2007-02-12  Richard Henderson  <rth@redhat.com>
8435
8436         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8437         (fixuns_trunc<SSEMODEF>si2): Use it.
8438         * config/i386/sse.md (vec_setv4sf_0): Export.
8439         * config/i386/i386.c (ix86_build_const_vector): Export.
8440         (ix86_split_convert_uns_si_sse): Rename from
8441         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8442         * config/i386/i386-protos.h: Update.
8443
8444 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8445
8446         PR c/29521
8447         * c-typeck.c (c_finish_return): Improve warning message.
8448
8449 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8450
8451         * alias.c (find_symbolic_term): Delete unused function.
8452
8453 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8454
8455         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8456         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8457         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8458
8459 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8460
8461         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8462         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8463         the function, temporarily point the debug interface to the null one.
8464
8465 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8466
8467         * dwarf2out.c (round_up_to_align): New static function.
8468         (field_byte_offset): Use it to round the offset.
8469
8470 2007-02-12  Richard Henderson  <rth@redhat.com>
8471
8472         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8473         (inswl_const): Export.
8474
8475 2007-02-12  Richard Henderson  <rth@redhat.com>
8476
8477         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8478         result mode of the libcall, convert back to outmode.
8479
8480 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8481
8482         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8483         (bswapdi2): New define_expand to implement 32-bit implementation.
8484
8485 2007-02-12  Nick Clifton  <nickc@redhat.com>
8486
8487         * doc/invoke.texi (Overall Options): Document --help=.
8488         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8489         (cc1_options): Pass --help= on to cc1.
8490         (display_help): Add description of --help=.
8491         (process_command): Add code to handle --help=.  Allow translated
8492         --help and --target-help switches to be passed on to compiler
8493         sub-process.
8494         (main): Remove unused if statement.
8495         * opts.c (columns): Remove.
8496         (LEFT_COLUMN): Define.
8497         (wrap_help): Add columns argument.
8498         (print_filtered_help): Change parameters to be an include bitmask,
8499         an exclude bitmask, an any bitmask and the column width.  Move the
8500         code to display the params list here.  Add code to display the
8501         status of options rather than their descriptions if the quiet flag
8502         is not active.
8503         (print_specific_help): Change parameters to be an include bitmask,
8504         an exclude bitmask and an any bitmask.  Move code to look up the
8505         column width here.  Decide upon the title for an options listing.
8506         (common_handle_options): Add code to handle --help=.  Adapt code
8507         for --help and --target-help to use the revised form of the
8508         print_specific_help function.
8509         (print_help): Delete.
8510         (print_param_help): Delete.
8511         (print_switch): Delete.
8512         * opts.h (cl_lang_count): Add prototype.
8513         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8514         CL_MAX_OPTION_CLASS): New defines.
8515         * optc-gen.awk: Add construction of cl_lang_count.
8516         * c.opt: Add Warning attribute to warning options and Optimization
8517         attribute to optimization options.
8518         * common.opt: Likewise.
8519         Add --help=.
8520         Add -fhelp and -ftarget-help as aliases for the transformed --help
8521         and --target-help options.
8522         * opt-functions.awk: Add code to handle Warning and Optimization
8523         attributes.
8524
8525 2007-02-12  Richard Henderson  <rth@redhat.com>
8526
8527         * config/alpha/constraints.md: New file.
8528         * config/alpha/alpha.c: Include tm-constrs.h.
8529         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8530         alpha_extra_constraint): Remove.
8531         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8532         * config/alpha/alpha-protos.h: Update.
8533         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8534         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8535         (EXTRA_CONSTRAINT): Remove.
8536         * config/alpha/alpha.md: Include constraints.md.
8537         (adddi splitter): Use satisfies_constraint_*.
8538         * config/alpha/predicates.md (add_operand): Likewise.
8539         (sext_add_operand, addition_operation): Likewise.
8540
8541 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8542
8543         PR tree-optimization/29145
8544         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8545         in our handling of restrict qualified pointers.
8546
8547 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8548
8549         PR middle-end/7651
8550         * doc/invoke.texi (Wunused-value): Update description.
8551         (Wextra): Delete item.
8552         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8553         value of Wunused-value.
8554         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8555         (c_finish_stmt_expr): Don't check extra_warnings.
8556         (emit_side_effect_warnings): The caller is responsible to check
8557         warn_unused_value.
8558
8559 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8560             Matt Thomas  <matt@3am-software.com>
8561
8562         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8563
8564 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8565
8566         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8567         comparisons of POPCOUNT against zero.
8568         (simplify_const_relational_operation): Likewise.
8569
8570 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8571
8572         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8573
8574 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8575
8576         * dwarf2out.c (root_type): Delete unused function.
8577
8578 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8579
8580         * genattrtab.c (contained_in_p): Delete unused function.
8581         (write_expr_attr_cache): Likewise.
8582
8583 2007-02-11  Jan Hubicka  <jh@suse.cz>
8584
8585         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8586         previous patch.
8587
8588 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8589
8590         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8591         to add the REG_EQ* note.
8592         * see.c (see_merge_one_use_extension): Likewise.
8593         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8594         turn REG_EQUAL notes into REG_EQUIV notes if the target
8595         register may have more than one set.
8596         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8597         * gcse.c (try_replace_reg): Likewise.
8598         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8599         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8600         more than one REG_EQUIV note.
8601         * reload1.c (gen_reload): Use set_unique_reg_note.
8602
8603 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8604
8605         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8606         (ix86_builtin_conversion): New function.
8607
8608 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8609
8610         PR target/29487
8611         * tree.h (DECL_REPLACEABLE_P): New macro.
8612         * except.c (set_nothrow_function_flags): Likewise.
8613
8614 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8615             Ira Rosen  <irar@il.ibm.com>
8616             Dorit Nuzman  <dorit@il.ibm.com>
8617
8618         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8619         * targhooks.c (default_builtin_vectorized_conversion): New.
8620         * targhooks.h (default_builtin_vectorized_function): New declaration.
8621         * target.h (struct vectorize): Add builtin_conversion field.
8622         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8623         stmt_vec_info_type value.
8624         (vectorizable_conversion): New declaration.
8625         * tree-vect-analyze.c (vect_analyze_operations): Add
8626         vectorizable_conversion call.
8627         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8628         * tree-vect-transform.c (vectorizable_conversion): New function.
8629         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8630         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8631         mode.
8632         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8633         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8634         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8635         or ALTIVEC_BUILTIN_VCFSX.
8636
8637 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8638
8639         PR target/30634
8640         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8641         CONST_DOUBLE and operand 0 is a hard register.
8642         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8643         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8644         is a hard floating-point register.
8645
8646 2007-02-10  Richard Henderson  <rth@redhat.com>
8647             Jakub Jelinek  <jakub@redhat.com>
8648             Alexandre Oliva  <aoliva@redhat.com>
8649
8650         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8651         * builtin-types.def (BT_WORD): Make unsigned.
8652         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8653         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8654         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8655         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8656         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8657         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8658         emulated tls.
8659         * expr.c (emutls_var_address): New.
8660         (expand_expr_real_1): Expand emulated tls.
8661         (expand_expr_addr_expr_1): Likewise.
8662         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8663         * output.h (emutls_finish): Declare.
8664         * toplev.c (compile_file): Call it.
8665         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8666         address before wrapping in CONST.
8667         * varasm.c (emutls_htab, emutls_object_type): New.
8668         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8669         (get_emutls_object_name, get_emutls_object_type): New.
8670         (get_emutls_init_templ_addr, emutls_decl): New.
8671         (emutls_common_1, emutls_finish): New.
8672         (assemble_variable): When emulating tls, swap decls; generate
8673         constructor for the emutls objects.
8674         (do_assemble_alias): When emulating tls, swap decl and target name.
8675         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8676         for emulated tls.
8677         * varpool.c (decide_is_variable_needed): Look at force_output.
8678         Recurse for emulated tls.
8679         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8680         with decide_is_variable_needed.
8681         * emutls.c: New file.
8682         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8683         tls_object for real tls.
8684
8685 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8686
8687         PR rtl-optimization/29599
8688         * reload1.c (eliminate_regs_in_insn): Take the destination
8689         mode into account when computing the offset.
8690
8691 2007-02-09  Stuart Hastings  <stuart@apple.com>
8692             Richard Henderson  <rth@redhat.com>
8693
8694         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8695         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8696         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8697         fixuns_truncdfhi2): New.
8698         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8699         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8700         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8701         (floatunssidf2): Allow nonimmediate source.
8702         * config/i386/sse.md (movdi_to_sse): New.
8703         (vec_concatv2di): Drop '*'.
8704         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8705         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8706         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8707         New.
8708         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8709         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8710         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8711         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8712         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8713         ix86_build_const_vector.
8714         (x86_emit_floatuns): Rewrite.
8715
8716 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8717
8718         * genautomata.c (longest_path_length): Delete unused function.
8719         (struct state): Delete unused longest_path_length.
8720         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8721         (get_free_state): Delete unused.
8722
8723 2007-02-09  Jan Hubicka  <jh@suse.cz>
8724
8725         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8726         * doc/invoke.texi (inline-unit-growth): Update default value.
8727
8728         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8729         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8730         (rebuild_cgraph_edges): Likewise.
8731         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8732         (dump_cgraph_node): Dump frequencies.
8733         (cgraph_clone_edge): Add frequency scales.
8734         (cgraph_clone_node): Add freuqnecy.
8735         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8736         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8737         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8738         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8739         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8740         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8741         (save_inline_function_body): Likewise.
8742         * ipa-inline.c: inluce rtl.h
8743         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8744         (cgraph_edge_badness): Use frequencies.
8745         (cgraph_decide_recursive_inlining): Update clonning.
8746         (cgraph_decide_inlining_of_small_function): Dump frequency.
8747         * predict.c (estimate_bb_frequencies): Export.
8748         * predict.h (estimate_bb_frequencies): Declare.
8749         * tree-inline.c (copy_bb): Watch overflows.
8750         (expand_call_inline): Update call of cgraph_create_edge.
8751         (optimize_inline_calls): Use TODO flags to update frequnecies.
8752         * passes.h: Include predict.h
8753         (init_optimization_passes): Move profile ahead.
8754         (execute_function_todo): Handle TODO_rebuild_frequencies.
8755
8756 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8757
8758         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8759         the insbl or inswl pattern into a register.
8760
8761 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8762
8763         * config/ia64/ia64.md (bswapdi2): New define_insn.
8764
8765 2007-02-09  Richard Henderson  <rth@redhat.com>
8766
8767         * config/i386/constraints.md (Ym): New constraint.
8768         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8769         (movdi_1_rex64): Split sse and xmm general register moves from
8770         memory move alternatives.  Use conditional register constraints.
8771         (movsf_1, movdf_integer): Likewise.
8772         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8773         (movdf_integer_rex64): New.
8774         (pushsf_rex64): Fix output constraints.
8775         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8776         (sse2_stored): Likewise.
8777         (sse2_storeq_rex64): New.
8778         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8779         amd and not generic.
8780         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8781         for optimize_size.  Remove SF/DFmode hack.
8782
8783 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8784
8785         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8786         (bit_SSE4a): New.
8787
8788 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8789             Richard Sandiford  <richard@codesourcery.com>
8790
8791         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8792         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8793         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8794         m68k/t-mlib to tmake_file.
8795         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8796         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8797         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8798         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8799         variable is not empty, add t-$m68k_arch_family to tmake_file.
8800         Add t-mlibs to tmake_file.
8801         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8802         * config/m68k/t-cf: New file.
8803         * config/m68k/t-m68k: Likewise.
8804         * config/m68k/t-mlibs: Likewise.
8805         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8806         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8807         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8808         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8809         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8810         Delete.
8811         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8812         (INSTALL_LIBGCC): Delete.
8813         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8814         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8815         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8816         (M68K_MLIB_CPU): Define.
8817         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8818         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8819         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8820
8821 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8822             Richard Guenther  <rguenther@suse.de>
8823
8824         PR middle-end/23361
8825         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8826         against INT_MIN/INT_MAX.
8827         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8828         file if a loop is removed.
8829
8830 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8831
8832         * calls.c (store_one_arg): Pass correct alignment to
8833         emit_push_insn for non-BLKmode values.
8834         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8835         unaligned stack slot via a suitably aligned slot.
8836
8837 2007-02-08  DJ Delorie  <dj@redhat.com>
8838
8839         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8840         warnings.
8841         (legal_subregs): Use unsigned char, make const.
8842         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8843
8844 2007-02-08  Paul Brook  <paul@codesourcery.com>
8845
8846         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8847         special interworking needed.
8848
8849 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8850
8851         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8852         conditional to __SSE2__.
8853         (Entries below should have been added to first ChangeLog
8854         entry for amdfam10 dated 2007-02-05)
8855         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8856         defined.
8857         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8858         defined.
8859         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8860         defined.
8861
8862 2007-02-08  DJ Delorie  <dj@redhat.com>
8863
8864         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8865         * config/m32c/m32c.c (legal_subregs): New.
8866         (m32c_illegal_subreg_p): New.
8867         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8868         unsupported subregs of hard regs.
8869
8870 2007-02-08  Jan Hubicka  <jh@suse.cz>
8871
8872         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8873         the same one; always update histograms.
8874
8875 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8876
8877         * passes.c (init_optimization_passes): Tidy comment.
8878
8879 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8880
8881         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8882         strip zero_extend, bswap and rotates from POCOUNT's argument.
8883         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8884         zero_extend and rotates from PARITY's argument.
8885         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8886         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8887         of an integer constant at compile-time.
8888
8889 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8890
8891         PR 30562
8892         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8893         Update all users.
8894         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8895         users.
8896         (init_alias_info):
8897         * tree-ssa-live.c (remove_unused_locals): Do not remove
8898         TREE_ADDRESSABLE variables.
8899         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8900         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8901         FOR_CLOBBER.  Update all users.
8902         If VAR has an associated alias set, add a virtual operand for
8903         it if no alias is found to conflict with the memory reference.
8904
8905 2007-02-07  Jan Hubicka  <jh@suse.cz>
8906             Robert Kidd <rkidd@crhc.uiuc.edu>
8907
8908         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8909
8910 2007-02-07  Ian Lance Taylor  <iant@google.com>
8911
8912         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8913
8914 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8915
8916         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8917         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8918         tablejumpdi, movsi_to_cr_one): Remove constraints from
8919         define_expand's match_operands.
8920
8921 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8922
8923         * global.c (compute_regsets): Move declatation of "i" inside of
8924         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8925
8926 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8927
8928         PR c++/30703
8929         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8930         of INDIRECT_REF <RESULT_DECL>.
8931
8932         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8933
8934 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8935             Kaz Kojima  <kkojima@gcc.gnu.org>
8936
8937         PR target/29746
8938         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8939         properly.
8940         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8941
8942 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8943
8944         * doc/loop.texi: Document possibility not to perform disambiguation
8945         of loops with multiple latches.
8946         * cfgloopmanip.c (alp_enum_p): Removed.
8947         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8948         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8949         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8950         the new forwarder block.
8951         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8952         Handle the case latch is NULL.
8953         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8954         when marking loop exits.
8955         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8956         be modified.
8957         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8958         disambiguate_loops_with_multiple_latches.
8959         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8960         before fix_loop_structure.
8961         * cfgloop.c: Include pointer-set.h and output.h.
8962         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8963         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8964         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8965         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8966         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8967         disambiguate_multiple_latches, get_loop_body_with_size,
8968         disambiguate_loops_with_multiple_latches): New functions.
8969         (flow_loop_dump): Dump multiple latch edges.
8970         (flow_loop_nodes_find): Handle loops with multiple latches.
8971         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8972         (glb_enum_p): Modified.
8973         (get_loop_body): Use get_loop_body_with_size.
8974         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8975         (AVOID_CFG_MODIFICATIONS): New constant.
8976         (disambiguate_loops_with_multiple_latches, add_loop,
8977         get_loop_body_with_size): Declare.
8978         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8979
8980 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8981
8982         PR inline-asm/28686
8983         * global.c (compute_regsets): New function.
8984         (global_alloc): Refactored ELIMINABLE_REGSET
8985         and NO_GLOBAL_ALLOC_REGS computation out.
8986         (rest_of_handle_global_alloc): Call compute_regsets()
8987         for non-optimizing case.
8988
8989 2007-02-06  Richard Henderson  <rth@redhat.com>
8990
8991         * config/i386/constraints.md (Y2): Rename from Y.
8992         (Yi): New constraint.
8993         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8994         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8995         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8996         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8997         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8998         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8999         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
9000         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
9001         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
9002         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
9003         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
9004         vec_extractv2si_1): Change Y constraints to Y2.
9005         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
9006         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
9007         Change Y constraints to Y2.
9008         (sse2_loadld): Change Y constraints to x.
9009
9010 2007-02-06  Roger Sayle  <roger@eyesopen.com>
9011
9012         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
9013         (parity<mode>2): New define_expand using rs6000_emit_parity.
9014         * config/rs6000/rs6000.c (rs6000_emit_popcount,
9015         rs6000_emit_parity): New functions.
9016         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
9017         rs6000_emit_parity): Prototype here.
9018
9019 2007-02-06  Ian Lance Taylor  <iant@google.com>
9020
9021         * lower-subreg.c (simple_move_operand): Reject CONST.
9022         (resolve_clobber): Call validate_change rather than directly
9023         assigning to XEXP (pat, 0).
9024
9025 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
9026
9027         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
9028         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
9029         (tree-cfg.o): Remove hashtab.h dependency.
9030
9031         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
9032         (struct ivopts_data): Change niters to pointer_map_t.
9033         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
9034         (niter_for_exit): Create pointer_map on demand.  Change for
9035         pointer_map API.
9036         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
9037         (free_loop_data): Destroy data->niters if created and reset field.
9038         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
9039         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
9040
9041         * tree-ssa-reassoc.c: Include pointer-set.h.
9042         (bb_rank): Change to long *.
9043         (operand_rank): Change to pointer_map_t.
9044         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
9045         (insert_operand_rank): Accept long.
9046         (operand_entry_hash, operand_entry_eq): Remove.
9047         (get_rank): Return long.  Adjust for changes above.
9048         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
9049         and operand_rank.
9050         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
9051
9052         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
9053         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
9054         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
9055         is not NULL.
9056         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
9057         directly since it cannot be NULL.
9058         (get_vi_for_tree): Rewrite for pointer_map API.
9059         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
9060         (init_alias_vars): Create vi_for_tree as pointer_map.
9061         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
9062
9063         * tree-cfg.c: Don't include hashtab.h.
9064         (edge_to_cases): Declare as pointer_map.
9065         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
9066         Delete.
9067         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
9068         (start_recording_case_labels): Create edge_to_cases as pointer_map.
9069         (end_recoding_case_labels): Cleanup edge_to_cases manually before
9070         destroying it.
9071         (record_switch_edge): Delete.
9072         (get_cases_for_edge): Adjust for pointer_map API, inline
9073         record_switch_edge (rewritten for new API), remove goto.
9074
9075 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
9076
9077         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
9078         * tree-nested.c: Include pointer-set.h.
9079         (var_map_elt, var_map_eq, var_map_hash): Delete.
9080         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
9081         to pointer_map_t's.
9082         (nesting_info_bitmap_obstack): New.
9083         (lookup_field_for_decl): Adjust for pointer_map API.
9084         (lookup_tramp_for_decl): Adjust for pointer_map API.
9085         (get_nonlocal_debug_decl): Adjust for pointer_map API.
9086         (get_local_debug_decl): Adjust for pointer_map API.
9087         (convert_nl_goto_reference): Adjust for pointer_map API.
9088         (convert_nl_goto_receiver): Adjust for pointer_map API.
9089         (create_nesting_tree): Create outside GGC space.  Create bitmap on
9090         the new obstack.  Create field_map and var_map as pointer_maps.
9091         (free_nesting_tree): Adjust for changes to create_nesting_tree.
9092         (root): Delete.
9093         (lower_nested_functions): Move root here, no need to NULL it.
9094         Initialize and release the obstack.
9095
9096 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
9097
9098         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
9099         Remove prototypes and make them non-static.
9100         (struct tree_int_map): Remove.
9101         * tree.h (struct tree_int_map): Move here, turning TO into an
9102         unsigned int.
9103         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
9104
9105         * tree.h (TREE_COMPLEXITY): Remove.
9106         (struct tree_exp): Remove complexity field.
9107         * tree.c (build1_stat): Don't set it.
9108
9109 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
9110             Victor Kaplansky  <victork@il.ibm.com>
9111
9112         * tree-vectorizer.c (vect_is_simple_use): Support induction.
9113         (vect_is_simple_reduction): Support reduction with induction as
9114         one of the operands.
9115         (vect_is_simple_iv_evolution): Fix formatting.
9116         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
9117         formatting.  Don't mark induction phis for vectorization.
9118         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
9119         * tree-vect-transform.c (get_initial_def_for_induction): New function.
9120         (vect_get_vec_def_for_operand): Support induction.
9121         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
9122         induction case.
9123         (vectorizable_reduction): Support reduction with induction as one of
9124         the operands.
9125         (vectorizable_type_demotion): Use def-type of stmt argument rather
9126         than dummy def-type.
9127
9128         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
9129         flag_tree_scev_cprop.
9130         * common.opt (tree-scev-cprop): New flag.
9131
9132         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
9133         call to vect_get_new_vect_var.
9134
9135 2007-02-06  Ira Rosen  <irar@il.ibm.com>
9136
9137         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
9138         vectype is not NULL.
9139         (vect_pattern_recog_1): Likewise.
9140
9141 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9142
9143         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
9144         (fold_negate_expr): Likewise.
9145
9146 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
9147
9148         PR debug/30189
9149         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
9150         even if cv-qualification is the same.
9151
9152 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
9153
9154         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
9155         __enable_execute_stack on completion.
9156
9157 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9158
9159         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
9160         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
9161         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
9162         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
9163         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
9164         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
9165         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
9166         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
9167
9168 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9169
9170         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
9171         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
9172         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
9173         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
9174         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
9175         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
9176         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
9177         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
9178         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
9179         umuldi3_highpart_rex64, umulsi3_highpart_insn,
9180         umulsi3_highpart_zext, smuldi3_highpart_rex64,
9181         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
9182         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
9183         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
9184         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
9185         sqrtextenddfxf2_i387): Added amdfam10_decode.
9186
9187         * config/i386/athlon.md (athlon_idirect_amdfam10,
9188         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
9189         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
9190         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
9191         athlon_ivector_store_amdfam10): New define_insn_reservation.
9192         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
9193         amdfam10.
9194
9195 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9196
9197         * config/i386/athlon.md (athlon_call_amdfam10,
9198         athlon_pop_amdfam10, athlon_lea_amdfam10): New
9199         define_insn_reservation.
9200         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
9201         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
9202         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
9203
9204 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9205
9206         * config/i386/athlon.md (athlon_sseld_amdfam10,
9207         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
9208         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
9209
9210 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9211
9212         * config/i386/athlon.md (athlon_sseins_amdfam10): New
9213         define_insn_reservation.
9214         * config/i386/i386.md (sseins): Added sseins to define_attr type
9215         and define_attr unit.
9216         * config/i386/sse.md: Set type attribute to sseins for insertq
9217         and insertqi.
9218
9219 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9220
9221         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
9222         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
9223         ssecomi_load_amdfam10, ssecomi_amdfam10,
9224         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
9225         define_insn_reservation.
9226         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
9227
9228 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9229
9230         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
9231         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
9232         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
9233         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
9234         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
9235         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
9236         define_insn_reservation.
9237
9238         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9239         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9240         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9241         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9242         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9243
9244 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9245
9246         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9247         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9248         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9249         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9250         athlon_ssemul_load_k8): Added amdfam10.
9251
9252 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9253
9254         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9255         (x86_sse_unaligned_move_optimal): New variable.
9256
9257         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9258         m_AMDFAM10.
9259         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9260         for unaligned vector SSE double/single precision loads for AMDFAM10.
9261
9262 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9263
9264         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9265         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9266         Define TARGET_CPU_DEFAULT_amdfam10.
9267         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9268         (processor_type): Add PROCESSOR_AMDFAM10.
9269
9270         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9271         processor_type in config/i386/i386.h.
9272         Enable imul peepholes for TARGET_AMDFAM10.
9273
9274         * config.gcc: Add support for --with-cpu option for amdfam10.
9275
9276         * config/i386/i386.c (amdfam10_cost): New variable.
9277         (m_AMDFAM10): New macro.
9278         (m_ATHLON_K8_AMDFAM10): New macro.
9279         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9280         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9281         x86_promote_QImode, x86_integer_DFmode_moves,
9282         x86_partial_reg_dependency, x86_memory_mismatch_stall,
9283         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9284         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9285         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9286         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9287         Enable/disable for amdfam10.
9288         (override_options): Add amdfam10_cost to processor_target_table.
9289         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9290         processor_alias_table.
9291         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9292         (ix86_adjust_cost): Add code for amdfam10.
9293
9294 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9295
9296         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9297         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9298         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9299         * config/i386/i386.h: Add builtin definition for SSE4A.
9300         * config/i386/i386.md: Add support for ABM instructions
9301         (popcnt and lzcnt).
9302         * config/i386/sse.md: Add support for SSE4A instructions
9303         (movntss, movntsd, extrq, insertq).
9304         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9305         Add -march=amdfam10 flag.
9306         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9307         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9308         and amdfam10.
9309         * doc/extend.texi: Add documentation for SSE4A builtins.
9310
9311 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9312
9313         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9314
9315 2007-02-05  Richard Guenther  <rguenther@suse.de>
9316
9317         * tree-vectorizer.h (vectorizable_function): Add argument type
9318         argument, change return type.
9319         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9320         * tree-vect-transform.c (vectorizable_function): Handle extra
9321         argument, return vectorized function decl.
9322         (build_vectorized_function_call): Remove.
9323         (vectorizable_call): Handle calls with result and argument types
9324         differing.  Handle loop vectorization factor correctly.
9325         * targhooks.c (default_builtin_vectorized_function): Adjust for
9326         extra argument.
9327         * targhooks.h (default_builtin_vectorized_function): Likewise.
9328         * target.h (builtin_vectorized_function): Add argument type
9329         argument.
9330         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9331         extra argument, allow vectorizing of lrintf.
9332         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9333         documentation of target hook.
9334
9335 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9336
9337         PR target/30665
9338         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9339         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9340         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9341
9342 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9343
9344         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9345         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9346         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9347         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9348         before canonicalizing sincos to cexpi.
9349         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9350
9351 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9352
9353         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9354         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9355         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9356
9357 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9358
9359         * mips-tfile.c (initialize_init_file): Correct endianness test.
9360
9361 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9362
9363         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9364         the 'y' constraint.
9365
9366 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9367
9368         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9369         saves in a PARALLEL before the register assignments.
9370
9371 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9372
9373         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9374         DWARF_FRAME_RETURN_COLUMN to be a general register.
9375         * dwarf2out.c (init_return_column_size): New function, split from...
9376         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9377         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9378         to be nongeneral registers.
9379         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9380         integer registers.
9381         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9382         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9383
9384 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9385
9386         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9387
9388 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9389
9390         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9391         (remove_path): Use can_remove_branch_p and remove_branch instead
9392         of loop_delete_branch_edge.
9393         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9394         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9395         Update profile using scale_dominated_blocks_in_loop.
9396         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9397         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9398         (can_remove_branch_p, remove_branch): Declare.
9399         * tree-cfg.c (tree_can_remove_branch_p): New function.
9400         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9401         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9402         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9403
9404 2007-02-05  Jan Hubicka  <jh@suse.cz>
9405
9406         PR middle-end/30696
9407         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9408         nodes in cgraph, don't remove offline copy of the function.
9409
9410 2007-02-04  Jan Hubicka  <jh@suse.cz>
9411
9412         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9413         vectors might cause maybe_lookup_element_for_expr to be called
9414         on non-sra-candidate.
9415
9416 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9417
9418         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9419         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9420         spelling conventions.
9421
9422 2007-02-04  Richard Guenther  <rguenther@suse.de>
9423
9424         PR middle-end/30636
9425         * fold-const.c (try_move_mult_to_index): Make sure to not
9426         overflow one dimension of a multi-dimensional array access.
9427
9428 2007-02-04  Jan Hubicka  <jh@suse.cz>
9429
9430         * passes.c (init_optimization_passes): Reindent.
9431
9432 2007-02-04  Jan Hubicka  <jh@suse.cz>
9433             Eric Botcazou  <ebotcazou@adacore.com>
9434
9435         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9436         (execute_fixup_cfg): Break out the abnormal goto code.
9437         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9438         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9439         (optimize_inline_calls): Call make_nonlocal_label_edges.
9440
9441 2007-02-04  Jan Hubicka  <jh@suse.cz>
9442
9443         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9444         true when something was changed.
9445         (rename_ssa_copies): When something was changed, do
9446         TODO_remove_unused_locals.
9447         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9448         add TODO_remove_unused_locals when instruction was removed.
9449
9450 2007-02-04  Jan Hubicka  <jh@suse.cz>
9451
9452         * ipa-inline.c (try_inline): Improve debug output; work on already
9453         inline edges too.
9454         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9455         call try_inline for already inlined edges too when flattening;
9456         inline also functions that make callee growth but overall unit size
9457         reduce.
9458
9459 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9460
9461         * config/m32c/bitops.md, config/m32c/jump.md,
9462         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9463         config/m32r/m32r.h, config/m32r/m32r.md,
9464         config/m32r/predicates.md, config/m68hc11/larith.asm,
9465         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9466         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9467         config/mips/mips-protos.h, config/mips/mips.c,
9468         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9469         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9470         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9471         spelling conventions.
9472
9473         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9474         Follow spelling conventions.
9475
9476 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9477
9478         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9479         warn about C++0x compatibility.
9480
9481 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9482
9483         * config/h8300/h8300.c, config/h8300/h8300.h,
9484         config/h8300/h8300.md: Follow spelling conventions.
9485
9486 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9487
9488         PR middle-end/30667
9489         * combine.c (try_combine): Do not substitute source operand
9490         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9491
9492 2007-02-03  Jan Hubicka  <jh@suse.cz>
9493
9494         PR gcov-profile/30650
9495         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9496         do not divide by zero for never executed counters.
9497         (tree_find_values_to_profile): Fix counters.
9498         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9499
9500 2007-02-03  Ian Lance Taylor  <iant@google.com>
9501
9502         * lower-subreg.c (simple_move_operand): New static function,
9503         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9504         operands.
9505         (simple_move): Call simple_move_operand.
9506         (find_decomposable_subregs): Add special handling of MEMs.
9507         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9508         meaning of return value.  If we see a hard register, test whether
9509         it can store a word_mode value.  Change all callers.
9510
9511 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9512
9513         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9514         ftrapv insns and expanders.
9515         (subdi3): Change define_expand operand 1 to arith11_operand, and
9516         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9517         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9518         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9519         respectively.
9520
9521         PR middle-end/30174
9522         * varasm.c (notice_global_symbol): Treat global objects as weak when
9523         flag_shlib is true.
9524
9525 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9526
9527         * emit-rtl.c (dconstpi): Delete.
9528         (dconstsqrt2): New.
9529         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9530         * real.h (dconstpi): Delete.
9531         (dconstsqrt2): New.
9532         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9533         (fold_builtin_hypot): Likewise.
9534
9535 2007-02-03  Tom Tromey  <tromey@redhat.com>
9536
9537         PR driver/30246
9538         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9539         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9540
9541 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9542
9543         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9544         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9545         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9546         config/rs6000/cell.md, config/rs6000/darwin.h,
9547         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9548         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9549         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9550         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9551         typos.  Follow spelling conventions.
9552         * doc/invoke.texi: Follow spelling conventions.
9553
9554 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9555
9556         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9557         canonicalization transformations that attempt to simplify integer
9558         constant comparisons to become comparisons against zero.
9559
9560 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9561
9562         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9563         fabs(x)*sqrt(2).
9564         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9565         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9566
9567 2007-02-02  Mike Stump  <mrs@apple.com>
9568
9569         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9570         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9571         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9572         generate a branch island.
9573
9574 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9575
9576         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9577         (xtensa_legitimate_address_p): New.
9578         (xtensa_legitimize_address): New.
9579         (xtensa_output_addr_const_extra): New.
9580         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9581         (BASE_REG_P): New.
9582         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9583         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9584         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9585         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9586         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9587         (xtensa_legitimize_address): New.
9588         (xtensa_output_addr_const_extra): New.
9589
9590 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9591
9592         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9593
9594 2007-02-02  Ian Lance Taylor  <iant@google.com>
9595
9596         * expmed.c (expand_divmod): Add comment.
9597
9598 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9599
9600         * emit-rtl.c (renumber_insns): Remove.
9601         * flags.h: Remove the extern for flag_renumber_insns.
9602         * rtl.h: Remove the prototype for renumber_insns.
9603         * toplev.c (flag_renumber_insns): Remove.
9604
9605 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9606
9607         Revert for x86 darwin:
9608         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9609
9610         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9611         code before the following patch under TARGET_MACHO.
9612         (ix86_function_value_regno_p): Likewise.
9613
9614 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9615
9616         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9617         COMPLEX_EXPR.
9618
9619 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9620
9621         PR target/29682
9622         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9623         general or fp registers.  Add comments.
9624         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9625
9626 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9627
9628         * pointer-set.c (insert_aux): Only return insertion slot.
9629         (pointer_set_insert): Adjust.
9630         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9631         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9632         pointer_map_traverse): New.
9633         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9634         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9635         pointer_map_contains, pointer_map_traverse): Declare.
9636
9637 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9638
9639         PR middle-end/30473
9640         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9641         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9642
9643 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9644
9645         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9646
9647         (struct _dep): New type.
9648         (dep_t): New typedef.
9649         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9650         (DEP_STATUS): New access macro.  The macro with the same name was
9651         renamed to DEP_LINK_STATUS.
9652         (dep_init): Declare function
9653
9654         (struct _dep_link): New type.
9655         (dep_link_t): New typedef.
9656         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9657         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9658         (DEP_LINK_STATUS): New macro.
9659         (debug_dep_links): New debug function.
9660
9661         (struct _deps_list): New type.
9662         (deps_list_t): New typedef.
9663         (DEPS_LIST_FIRST): New access macro.
9664         (FOR_EACH_DEP_LINK): New cycle macro.
9665         (create_deps_list, free_deps_list, delete_deps_list): Declare
9666         functions.
9667         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9668         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9669         (copy_deps_list_change_con): Ditto.
9670
9671         (move_dep_link): Declare function.
9672
9673         (struct _dep_node): New type.
9674         (dep_node_t): New typedef.
9675         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9676
9677         (struct haifa_insn_data.back_deps): New field to hold backward
9678         dependencies of the insn.
9679         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9680         to deps_list_t.
9681         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9682         Change its type to deps_list_t.
9683         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9684         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9685         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9686
9687         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9688
9689         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9690
9691         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9692         all callers.
9693         (dep_cost): Declare.
9694
9695         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9696         (ds_to_dk, dk_to_ds): New functions.
9697
9698         (init_dep_1): New static function.
9699         (init_dep): New function.
9700         (copy_dep): New static function.
9701
9702         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9703         functions.
9704         (detach_dep_link): New static function.
9705         (move_dep_link): New function.
9706
9707         (dep_links_consistent_p, dump_dep_links): New static functions.
9708         (debug_dep_links): New debugging function.
9709
9710         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9711
9712         (alloc_deps_list, init_deps_list): New static functions.
9713         (create_deps_list): New function.
9714         (clear_deps_list): New static function.
9715         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9716         (deps_list_consistent_p, dump_deps_list): New static functions.
9717         (debug_deps_list): New function.
9718         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9719         functions.
9720         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9721
9722         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9723         use new scheduler dependencies lists.
9724         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9725         (sched_analyze): Ditto.  Initialize dependencies lists.
9726         (add_forw_dep, compute_forward_dependences): Update to use new
9727         scheduler dependencies lists.
9728
9729         (init_dependency_caches): Init deps_obstack.
9730         (free_dependency_caches): Free deps_obstack.
9731
9732         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9733         new scheduler dependencies lists.
9734         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9735         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9736
9737         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9738         Update to use new scheduler dependencies lists.
9739         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9740         (debug_dependencies): Ditto.
9741         (schedule_region): Update comments.
9742
9743         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9744         scheduler dependencies lists.
9745         (schedule_ebb): Update comments.
9746
9747         * rtl.def (DEPS_LIST): Remove.
9748
9749         * lists.c (unused_deps_list): Remove.
9750         (free_list): Update assertions.
9751
9752         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9753         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9754
9755         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9756         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9757
9758         * haifa-sched.c (comments): Update.
9759         (insn_cost1): Remove.  Inline the code into insn_cost ().
9760         (insn_cost): Update to use new scheduler dependencies lists.  Move
9761         processing of the dependency cost to dep_cost ().
9762         (dep_cost): New function.  Use it instead of insn_cost () when
9763         evaluating cost of the dependency.  Use compatible interface to
9764         interact with the target.
9765         (priority): Update to use new scheduler dependencies lists.
9766         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9767         with greater number of insns that depend on the insn.
9768         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9769         code to free backward dependencies lists.  Inline and optimize code
9770         from resolve_dep () - see PR28071.
9771         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9772         lists.  Update call to targetm.sched.is_costly_dependence hook.
9773
9774         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9775         scheduler dependencies lists.
9776
9777         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9778         (init_h_i_d): Initialize dependencies lists.
9779
9780         (process_insn_depend_be_in_spec): Rename to
9781         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9782         dependencies lists.
9783         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9784         Update to use new scheduler dependencies lists.
9785         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9786
9787         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9788         new scheduler dependencies lists.
9789         (build_intra_loop_deps): Ditto.
9790
9791         * target.h (struct _dep): Declare to use in
9792         gcc_target.sched.is_costly_dependence.
9793         (struct gcc_target.sched.adjust_cost): Fix typo.
9794         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9795         single dep_t parameter instead of an equivalent triad.
9796         (struct gcc_target.sched.adjust_cost_2): Remove.
9797
9798         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9799
9800         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9801
9802         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9803         documentation.
9804         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9805
9806         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9807         (REG_DEP_TRUE): Document.
9808
9809         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9810         Change signature to correspond to the targetm.sched.adjust_cost hook.
9811         Update use in TARGET_SCHED_ADJUST_COST_2.
9812         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9813         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9814         new scheduler dependencies lists.
9815         (ia64_gen_check): Ditto.
9816
9817         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9818         dependencies lists.
9819
9820         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9821         signature to correspond to the targetm.sched.is_costly_dependence hook.
9822         (is_costly_group): Update to use new scheduler dependencies lists.
9823
9824         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9825         instead of INSN_COST () macro.
9826
9827 2007-02-01  Ian Lance Taylor  <iant@google.com>
9828
9829         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9830
9831 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9832
9833         * pa.md (tp_load): Correct mfctl instruction syntax.
9834
9835 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9836
9837         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9838         altivec_padding_size calculation on AIX.  Improve comment, add
9839         assert to verify that it's right.
9840
9841         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9842         64-bit.
9843
9844 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9845
9846         PR inline-asm/28686
9847         * global.c (global_alloc): Add mising initialization of
9848         ELIMINABLE_REGSET.
9849
9850 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9851
9852         * alias.c (init_alias_analysis): Correct whitespace.
9853         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9854         partition_hot_cold_basic_blocks): Likewise.
9855         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9856         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9857         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9858         fold_builtin_snprintf_chk, fold_builtin_printf,
9859         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9860         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9861         * cfgcleanup.c (cleanup_cfg): Likewise.
9862         * cfgexpand.c (tree_expand_cfg): Likewise.
9863         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9864         * function.c (get_next_funcdef_no): Likewise.
9865         * gengtype.c (main): Likewise.
9866         * genmodes.c (main): Likewise.
9867         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9868         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9869         * ifcvt.c (noce_emit_move_insn): Likewise.
9870         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9871         Likewise.
9872         * stor-layout.c (get_best_mode): Likewise.
9873         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9874         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9875         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9876         perform_var_substitution, solve_graph): Likewise.
9877         * tree-vrp.c (vrp_finalize): Likewise.
9878
9879 2007-02-01  Ian Lance Taylor  <iant@google.com>
9880
9881         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9882         high part of a paradoxical subreg, return a constant zero.
9883
9884 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9885
9886         * toplev.c (lang_dependent_init): Call init_set_costs.
9887         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9888
9889 2007-02-01  Richard Guenther  <rguenther@suse.de>
9890
9891         PR middle-end/30656
9892         * fold-const.c (fold_negate_expr): Allow negating a
9893         constant if overflow does not change.
9894
9895 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9896
9897         * doc/c-tree.texi (Expression trees): Improve markup.
9898         * doc/tm.texi (Register Classes, Addressing Modes)
9899         (Floating Point): Fix spacing after abbreviations.  Fix some
9900         typos.
9901
9902 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9903
9904         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9905         * doc/contrib.texi: Likewise.
9906         * doc/install.texi: Likewise.
9907
9908 2007-01-31  Richard Henderson  <rth@redhat.com>
9909             Ian Lance Taylor  <iant@google.com>
9910
9911         * lower-subreg.c: New file.
9912         * rtl.def (CONCATN): Define.
9913         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9914         pass_lower_subreg2.
9915         * emit-rtl.c (update_reg_offset): New static function, broken out
9916         of gen_rtx_REG_offset.
9917         (gen_rtx_REG_offset): Call update_reg_offset.
9918         (gen_reg_rtx_offset): New function.
9919         * regclass.c: Revert patch of 2006-03-05, restoring
9920         reg_scan_update.
9921         (clear_reg_info_regno): New function.
9922         * dwarf2out.c (concatn_loc_descriptor): New static function.
9923         (loc_descriptor): Handle CONCATN.
9924         * common.opt (fsplit_wide_types): New option.
9925         * opts.c (decode_options): Set flag_split_wide_types when
9926         optimizing.
9927         * timevar.def (TV_LOWER_SUBREG): Define.
9928         * rtl.h (gen_reg_rtx_offset): Declare.
9929         (reg_scan_update): Declare.
9930         * regs.h (clear_reg_info_regno): Declare.
9931         * tree-pass.h (pass_lower_subreg): Declare.
9932         (pass_lower_subreg2): Declare.
9933         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9934         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9935         -fsplit-wide-types.
9936         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9937         * Makefile.in (OBJS-common): Add lower-subreg.o.
9938         (lower-subreg.o): New target.
9939
9940 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9941
9942         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9943
9944 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9945
9946         PR target/19087
9947         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9948
9949 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9950
9951         PR middle-end/29335
9952         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9953
9954 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9955
9956         * cfgloop.h: Include vec-prim.h.
9957         (enum li_flags): Remove LI_ONLY_OLD.
9958         (loop_iterator): Changed.
9959         (fel_next, fel_init): Iterate over loop tree.
9960         (FOR_EACH_LOOP_BREAK): New macro.
9961         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9962         FOR_EACH_LOOP.
9963         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9964         * modulo-sched.c (sms_schedule): Ditto.
9965         * tree-vectorizer.c (vectorize_loops): Ditto.
9966         * doc/loop.texi: Update information on loop numbering and behavior of
9967         FOR_EACH_LOOP wrto new loops.
9968         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9969         add_to_evolution_1): Test nestedness of loops instead of comparing
9970         their numbers.
9971         * tree-chrec.c (chrec_fold_plus_poly_poly,
9972         chrec_fold_multiply_poly_poly, chrec_evaluate,
9973         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9974         reset_evolution_in_loop): Ditto.
9975         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9976
9977 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9978
9979         * c-common.c (warn_about_parentheses): Separate warning about
9980         un-parenthized sequence of comparison operators from the one
9981         which is supposed to warn about x <= y <= z.
9982
9983 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9984
9985         * optabs.h (enum optab_index): Add new OTI_isinf.
9986         (isinf_optab): Define corresponding macro.
9987         * optabs.c (init_optabs): Initialize isinf_optab.
9988         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9989         patterns.
9990         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9991         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9992         using isinf_optab.
9993         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9994         expand_builtin_interclass_mathfn.
9995         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9996         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9997         (fxam<mode>2_i387): New insn pattern.
9998         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9999         built-in functions as x87 inline asm.
10000
10001 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
10002
10003         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
10004
10005 2007-01-30  Eric Christopher  <echristo@apple.com>
10006
10007         * config.gcc: Add geode.
10008
10009 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
10010
10011         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
10012         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
10013         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
10014         value-prof.c: Fix comment typos.
10015
10016 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10017
10018         PR c++/24745
10019         * doc/invoke.texi (Wpointer-arith): Document warning.
10020
10021 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
10022
10023         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
10024         the list of discrepancies from the draft TR.
10025
10026 2007-01-30  Dirk Mueller  <dmueller@suse.de>
10027
10028         PR c++/30601
10029         * doc/invoke.texi (-Wreturn-type): Update description to
10030         match new behavior.
10031
10032 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
10033
10034         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
10035
10036 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
10037
10038         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
10039         to handle optabs that operate on floating point input argument and
10040         output to integer output.
10041         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
10042         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
10043         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
10044         expand_builtin_interclass_mathfn ().
10045         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
10046         (ilogbsi2): Remove.
10047         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
10048         ilogbl built-in functions as x87 intrinsics.
10049
10050 2007-01-30  Richard Guenther  <rguenther@suse.de>
10051
10052         PR middle-end/27657
10053         * dwarf2out.c (reference_to_unused): Query varpool if the
10054         variable was output.
10055
10056 2007-01-30  Richard Guenther  <rguenther@suse.de>
10057
10058         PR middle-end/30313
10059         * passes.c (execute_one_pass): Reset in_gimple_form to not
10060         confuse non-unit-at-a-time mode.
10061
10062 2007-01-29  Roger Sayle  <roger@eyesopen.com>
10063             Richard Guenther  <rguenther@suse.de>
10064
10065         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
10066         avoid undefined behaviour on overflow.  Use force_fit_type_double
10067         to construct the constant with the specified TREE_OVERFLOW.
10068
10069 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10070
10071         * config/dfp-bit.c: Add parameterized support for fp exceptions.
10072         * config/dfp-bit.h: Ditto.
10073
10074 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10075
10076         * c-decl.c (pop_scope): Replace warnings with call to
10077         warn_for_unused_label.
10078         * c-common.h (warn_for_unused_label): Declare.
10079         * c-common.c (warn_for_unused_label): Define.
10080
10081 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10082
10083         * tree-optimize.c (update_inlined_to_pointers): Delete unused
10084         function.
10085
10086 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10087
10088         * Makefile.in (USER_H): Remove decfloat.h.
10089         * ginclude/decfloat.h: Delete, moving contents to ...
10090         * ginclude/float.h: Add support for decimal floating point,
10091         guarded by __STDC_WANT_DEC_FP__.
10092
10093 2007-01-29  Mike Stump  <mrs@apple.com>
10094
10095         * doc/gccint.texi (Top): Rename Loop Representation to Loop
10096         Analysis and Representation to resolve case insensitive conflict.
10097         * doc/loop.texi (Loop Analysis and Representation): Likewise.
10098
10099 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
10100
10101         * tree.h (struct tree_memory_tag): Add aliases member.
10102         (MTAG_ALIASES): New macro.
10103         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
10104         (add_may_alias): Remove pointer-set. Update for may_aliases being
10105         a bitmap.
10106         (mark_aliases_call_clobbered): Update for may_aliases being a
10107         bitmap.
10108         (compute_tag_properties): Ditto.
10109         (create_partition_for): Ditto.
10110         (compute_memory_partitions): Ditto.
10111         (dump_may_aliases_for): Ditto.
10112         (is_aliased_with): Ditto.
10113         (add_may_alias_for_new_tag): Ditto.
10114         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
10115         (compute_is_aliased): New function.
10116         (compute_may_aliases): Call compute_is_aliased).
10117         (init_alias_info): Initialize alias_bitmap_obstack.
10118         (union_alias_set_into): New function.
10119         (compute_flow_sensitive_aliasing): Use union_aliases_into.
10120         (have_common_aliases_p): Rewrite to take two bitmaps and use
10121         intersection.
10122         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
10123         Update for bitmaps.
10124         (finalize_ref_all_pointers): Update for add_may_alias changes.
10125         (new_type_alias): Ditto.
10126         * tree-flow-inline.h (may_aliases): Return a bitmap.
10127         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
10128         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
10129         may_aliases being a bitmap.
10130         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
10131         may_aliases now returns a bitmap.
10132         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
10133         being a bitmap.
10134         * tree-ssa-operands.c (add_virtual_operand): Update for
10135         may_aliases being a bitmap.
10136
10137 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
10138
10139         PR tree-optimization/30630
10140         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
10141         variable as changed.
10142
10143 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
10144
10145         PR c++/28266
10146         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
10147         expanded only once even if an error occurs.
10148
10149 2007-01-29  Ben Elliston  <bje@au.ibm.com>
10150
10151         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
10152         (__gcov_average_profiler): Likewise.
10153         (__gcov_ior_profiler): Likewise.
10154         (__gcov_merge_ior): Likewise.
10155
10156 2007-01-28  Jan Hubicka  <jh@suse.cz>
10157
10158         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
10159         * value-prof.c (stringop_block_profile): Likewise.
10160
10161 2007-01-28  Jan Hubicka  <jh@suse.cz>
10162
10163         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
10164         variant handling histograms; add wrapper.
10165         (clear_storage_via_libcall): Export.
10166         (emit_block_move_hints): Break out from ...; add histograms.
10167         (emit_block_move): ... this one.
10168         (clear_storage_hints): Break out from ...; add histograms.
10169         (clear_storage): ... this one.
10170         (set_storage_via_memset): Handle histogram.
10171         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
10172         (clear_storage_hints, clear_storage_via_libcall): Declare.
10173         (set_storage_via_setmem): Update prototype.
10174         * doc/md.texi (movmem, setmem): Document new arguments.
10175
10176         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
10177         new histograms.
10178         (stringop_block_profile): New global function.
10179         (tree_stringops_values_to_profile): Profile block size and alignment.
10180         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
10181         HIST_TYPE_IOR.
10182         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
10183         (stringop_block_profile): Declare.
10184         * builtins.c: Include value-prof.h.
10185         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
10186         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
10187         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
10188         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
10189         * profile.c (instrument_values): Add new counters.
10190         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
10191         calls.
10192         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
10193         (tree_init_edge_profiler): Build new profilers.
10194         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
10195         (pass_tree_profile): Add dump.
10196         (tree_profile_hooks): Update.
10197         * Makefile.in (LIBGCOV): Add new constants.
10198         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
10199         __gcov_ior_profiler): New.
10200         * i386.md (movmem/setmem expanders): Add new optional arguments.
10201
10202 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
10203
10204         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
10205
10206 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10207
10208         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
10209         (tree_unswitch_single_loop): Pass eni_size_weights to
10210         tree_num_loop_insns.
10211         * tree-ssa-loop-manip.c: Include tree-inline.h.
10212         (can_unroll_loop_p): Pass eni_size_weights to
10213         tree_num_loop_insns.
10214         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
10215         Pass eni_size_weights to estimate_num_insns.
10216         * tree.h (init_inline_once): Export.
10217         * toplev.c (backend_init): Call init_inline_once.
10218         * cgraphunit.c (cgraph_process_new_functions,
10219         cgraph_analyze_function): Pass eni_inlining_weights to
10220         estimate_num_insns.
10221         * ipa-inline.c (compute_inline_parameters): Ditto.
10222         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
10223         to estimate_num_insns.
10224         (try_unroll_loop_completely): Pass eni_size_weights to
10225         tree_num_loop_insns.
10226         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
10227         ot estimate_num_insns.
10228         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
10229         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
10230         * tree-inline.c (eni_inlining_weights, eni_size_weights,
10231         eni_time_weights): New variables.
10232         (init_inline_once): Initialize them.
10233         (struct eni_data): Mew.
10234         (estimate_num_insns_1, estimate_num_insns): Use weights.
10235         * tree-inline.h (struct eni_weights_d): New.
10236         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10237         (estimate_num_insns): Declaration changed.
10238         * cfgloop.h (tree_num_loop_insns): Declaration changed.
10239         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10240         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10241
10242 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10243
10244         * tree-data-ref.c (conflict_fn): Assert that the number of affine
10245         relations in the conflict function is valid.
10246
10247 2007-01-27  Ian Lance Taylor  <iant@google.com>
10248
10249         * common.opt: Add fstrict-overflow.
10250         * opts.c (decode_options): Set flag_strict_overflow if -O2.
10251         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10252         (TYPE_OVERFLOW_UNDEFINED): Define.
10253         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
10254         Replace all uses.
10255         * tree.h (TYPE_TRAP_SIGNED): Don't define.
10256         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10257         (fold_negate_expr): Likewise.
10258         (make_range): Likewise.
10259         (extract_muldiv_1): Likewise.
10260         (maybe_canonicalize_comparison): Likewise.
10261         (fold_comparison): Likewise.
10262         (fold_binary): Likewise.
10263         (tree_expr_nonnegative_p): Likewise.
10264         (tree_expr_nonzero_p): Likewise.
10265         * tree-vrp.c (compare_values): Likewise.
10266         (extract_range_from_binary_expr): Likewise.
10267         (extract_range_from_unary_expr): Likewise.
10268         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10269         Likewise.
10270         (nowrap_type_p): Likewise.
10271         * tree-scalar-evolution.c (simple_iv): Likewise.
10272         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10273         (build_range_check): Likewise.
10274         (extract_muldiv_1): Likewise.
10275         (fold_comparison): Likewise.
10276         * tree-vrp.c (vrp_int_const_binop): Likewise.
10277         (extract_range_from_unary_expr): Likewise.
10278         * convert.c (convert_to_integer): Likewise.
10279         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10280         (fold_comparison): Likewise.
10281         (fold_binary): Likewise.
10282         * optabs.c (optab_for_tree_code): Likewise.
10283         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10284         * simplify-rtx.c (simplify_const_relational_operation): Check
10285         flag_strict_overflow and flag_trapv.
10286         (simplify_const_relational_operation): Likewise.
10287         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10288         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
10289         -fstrict-overflow.
10290
10291 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10292
10293         * tree.c (tree_fold_gcd): Delete.
10294         * tree.h (tree_fold_gcd): Remove prototype.
10295         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10296         test whether one constant integer is a multiple of another.  Instead
10297         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10298         * fold-const.c (multiple_of_p):  We've determined both TOP and
10299         BOTTOM are integer constants so we can call int_const_binop directly
10300         instead of the more generic const_binop.
10301
10302 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10303
10304         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10305         1*X check that the constant hasn't overflowed, to preserve the
10306         TREE_OVERFLOW bit.
10307         (round_up): Provide an efficient implementation when rouding-up an
10308         INTEGER_CST to a power-of-two.
10309
10310 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10311
10312         * doc/sourcebuild.texi: Add comma for clarity.
10313         * doc/extend.texi: Fix some typos.
10314         * doc/passes.texi: Likewise.
10315         * doc/cppinternals.texi: Likewise.
10316         * doc/c-tree.texi: Likewise.
10317         * doc/tree-ssa.texi: Likewise.
10318         * doc/install.texi: Likewise.
10319
10320 2007-01-27  Jan Hubicka  <jh@suse.cz>
10321
10322         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10323         (pass_sra): Do not require alias information.
10324         * passes.c (init_optimization_passes): Add SRA
10325
10326 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10327
10328         * tracer.c (rest_of_handle_tracer): We already cleaned
10329         up the CFG in tracer() so don't do it here again.
10330         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10331         cleanup_cfg here, either.  And don't call renumber_insns.
10332
10333         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10334         and BB_HEAD are in the insn stream here.  Instead make sure
10335         that BB_INSN is valid on all insns.  Also, do check here that
10336         there are no pending branch predictions...
10337         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10338         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10339         here.
10340
10341 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10342
10343         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10344         function to simplify/factorize operand order canonicalization.
10345         (ix86_fixup_binary_operands): Reorganize using the above function.
10346         (ix86_binary_operator_ok): Likewise.
10347
10348 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10349
10350         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10351         file scope from optimize_attrs.
10352         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10353         up search.
10354         (optimize_attrs): Clear insn_code_values after freeing it.
10355
10356 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10357
10358         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10359         a parts.base assignment.
10360
10361 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10362
10363         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10364         (compute_subscript_distance, initialize_data_dependence_relation,
10365         finalize_ddr_dependent, analyze_ziv_subscript,
10366         analyze_siv_subscript_cst_affine,
10367         compute_overlap_steps_for_affine_univar,
10368         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10369         analyze_siv_subscript, analyze_miv_subscript,
10370         analyze_overlapping_iterations, subscript_dependence_tester_1,
10371         compute_self_dependence, free_dependence_relation): Work
10372         with affine_fn instead of chrecs.
10373         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10374         common_affine_function, affine_function_base,
10375         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10376         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10377         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10378         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10379         (all_chrecs_equal_p): Removed.
10380         * tree-data-ref.h (affine_fn, conflict_function): New types.
10381         (struct subscript): Change type of conflicting_iterations_in_a
10382         and conflicting_iterations_in_b.
10383
10384 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10385
10386         PR other/30182
10387         * config/pa/pa.h (TARGET_HPUX_11): New.
10388         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10389         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10390
10391 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10392         Richard Guenther  <rguenther@suse.de>
10393
10394         * tree-ssa-structalias.c (solve_graph): Handle case
10395         we merged the variable to another.
10396
10397 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10398
10399         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10400         functions.
10401
10402         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10403         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10404
10405 2007-01-25  DJ Delorie  <dj@redhat.com>
10406
10407         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10408         allow changes to modes which don't fit in those registers.
10409
10410         * reload1.c (choose_reload_regs): Check for invalid subregs before
10411         computing their locations, not after.
10412
10413 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10414
10415         PR 25127
10416         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10417         save Altivec registers in an eh_return function.
10418         (compute_vrsave_mask): Likewise.
10419         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10420         for saving Altivec registers.
10421         (rs6000_emit_prologue): Don't allocate stack twice in
10422         eh_return function.  Correct expected value of altivec_save_offset
10423         when using save_world.  Describe save of R0 to stack when using
10424         save_world.  Describe stack pointer adjustment when using
10425         save_world.  Remove duplicated eh_return parameter register saving.
10426         Update sp_offset variable after save_world.
10427         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10428         darwin-world.asm.
10429         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10430         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10431         implies Altivec.
10432
10433 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10434
10435         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10436
10437 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10438
10439         PR other/30182
10440         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10441         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10442
10443 2007-01-25  Richard Guenther  <rguenther@suse.de>
10444
10445         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10446         * common.opt (-Wcoverage-mismatch): New warning option.
10447         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10448         if -Wcoverage-mismatch is given.
10449
10450 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10451
10452         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10453         (ipcp_driver): Change to static definition.
10454         Add dumping of the ifunctions.
10455         (constant_val_insert): Remove unused parameter. Support for SSA.
10456         (ipcp_propagate_const): Support for SSA.
10457         (ipcp_profile_bb_print): Print only analyzed nodes.
10458         (ipcp_replace_map_create): Remove support for Fortran constant
10459         for now.
10460         * ipa-prop.c (ipa_method_modify_stmt,
10461         ipa_callsite_compute_param): Support for SSA.
10462         * ipa-prop.h (ipcp_driver): Remove declaration.
10463         (IS_VALID_TREE_MAP_INDEX): Add define.
10464
10465 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10466
10467         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10468
10469 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10470
10471         PR middle-end/30447
10472         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10473         constant argument to cabs and do it without checking for
10474         -funsafe-math-optimizations.
10475
10476 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10477
10478         * c-common.h (RID_FIRST_CXX0X): New.
10479         (RID_LAST_CXX0X): New.
10480         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10481         by -Wall.
10482         * c.opt (Wc++0x-compat): New.
10483         * doc/invoke.texi (-Wc++0x-compat): Document.
10484
10485 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10486
10487         * builtins.c (fold_builtin_carg): New.
10488         (fold_builtin_1): Use it.
10489
10490 2007-01-24  Jan Hubicka  <jh@suse.cz>
10491
10492         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10493
10494         * ipa-inline.c (initial_insns, max_insns): Delete.
10495         (compute_max_insns): New function.
10496         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10497         of insns as base for code growth.
10498         (cgraph_decide_inlining): Make initial_insns local; do not compute
10499         max_insns.
10500         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10501         * doc/invoke.texi (inline-unit-growth): Update docs.
10502
10503 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10504
10505         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10506         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10507         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10508         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10509         for CPUs that have PTA_CX16 set.
10510
10511         PR middle-end/27416
10512         * gimplify.c (omp_check_private): New function.
10513         (gimplify_scan_omp_clauses): Use it for
10514         firstprivate/lastprivate/reduction.
10515
10516         PR middle-end/30494
10517         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10518         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10519
10520         PR middle-end/30421
10521         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10522         If lower_lastprivate_clauses emits some statements, append them
10523         to dlist rather than body_p and to body_p append an initializer.
10524         (lower_omp_for): Adjust caller.
10525
10526 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10527
10528         * target.h (globalize_decl_name): New.
10529         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10530         * output.h (default_globalize_decl_name): New.
10531         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10532         globalize_label.
10533         (globalize_decl): Ditto.
10534         (default_globalize_decl_name): New.
10535         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10536         (ia64_handle_version_id_attribute): New.
10537         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10538         (ia64_asm_output_external): Use globalize_decl_name instead
10539         of globalize_label.
10540         * doc/extend.texi (version_id): New pragma.
10541         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10542
10543 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10544
10545         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10546         _uleb128_t and _Unwind_SWord with _sleb128_t.
10547         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10548         uw_frame_state_for, uw_update_context_1): Likewise.
10549         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10550         * unwind-pe.h (read_uleb128, read_sleb128,
10551         read_encoded_value_with_base): Likewise.
10552         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10553
10554 2007-01-24  Richard Guenther  <rguenther@suse.de>
10555
10556         * builtins.c (expand_builtin_cexpi): Get the fndecl
10557         for cexp in the correct way.
10558
10559 2007-01-24  Jan Hubicka  <jh@suse.cz>
10560
10561         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10562
10563 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10564
10565         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10566         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10567         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10568         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10569         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10570         __SIZEOF_PTRDIFF_T__.
10571         * doc/cpp.texi: Documentation for the new builtin macros added.
10572
10573 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10574
10575         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10576         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10577         instead of operands[2] to avoid access past the end of array.
10578
10579 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10580
10581         * reload1.c (emit_reload_insns): Pass the reload register
10582         for a non-spill output reload through forget_old_reloads_1.
10583
10584 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10585
10586         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10587         _SOFT_DOUBLE if doubles use software floating-point.
10588         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10589         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10590         * config/rs6000/darwin-ldouble.c: Also compile functions for
10591         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10592         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10593         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10594         commented-out long double override.
10595         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10596         * config/rs6000/eabispe.h: Likewise.
10597         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10598         long double for non-SPE.
10599         (rs6000_handle_option): Likewise.
10600         (invalid_e500_subreg): Disallow more subregs involding DImode,
10601         DFmode, TImode or TFmode.
10602         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10603         E500 double.
10604         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10605         double.
10606         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10607         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10608         double.
10609         (rs6000_legitimate_address): Also check for TFmode for E500
10610         double.
10611         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10612         (spe_build_register_parallel): Handle TFmode and TCmode.
10613         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10614         double.
10615         (function_arg): Handle TFmode and TCmode for E500 double.
10616         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10617         in general.
10618         (print_operand): Handle TFmode and TImode for %y.
10619         (rs6000_generate_compare): Handle TFmode comparisons for E500
10620         double.
10621         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10622         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10623         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10624         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10625         TFmode for E500 double.
10626         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10627         (floatsidf2): Enable for E500 double.
10628         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10629         (extenddftf2): Change to extenddftf2_fprs.
10630         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10631         depending on TARGET_E500_DOUBLE.
10632         (extendsftf2): Enable for E500 double.
10633         (trunctfdf2): Enable for E500 double.
10634         (trunctfsf2): Change to trunctfsf2_fprs.
10635         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10636         depending on TARGET_E500_DOUBLE.
10637         (floatsitf2): Enable for E500 double.
10638         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10639         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10640         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10641         (negtf2): Change to negtf2_internal.
10642         (negtf2): New expander.
10643         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10644         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10645         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10646         (movdi_internal32): Use rs6000_nonimmediate_operand.
10647         (unnamed splitter): Likewise.
10648         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10649         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10650         (SPE64TF, DITI): New mode macros.
10651         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10652         modes.
10653         (frob_tf_ti): New.
10654         (frob_<mode>_di_2): New.
10655         (frob_tf_di_8_2): New.
10656         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10657         (frob_ti_tf): New.
10658         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10659         more modes.
10660         (frob_ti_<mode>_8_2): New.
10661         (frob_ti_tf_2): New.
10662         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10663         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10664         TFmode.
10665         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10666         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10667         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10668         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10669         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10670         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10671         tsttflt_gp): New.
10672
10673 2007-01-23  Ian Lance Taylor  <iant@google.com>
10674
10675         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10676         insn-*.o first.
10677         (OBJS-archive): Reformat, alphabetize.
10678         (OBJS): Change out_object_file to OBJS-md.
10679
10680 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10681
10682         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10683         JUMP_P and CALL_P predicates where applicable.
10684         * config/i386/i386.c: Ditto.
10685         * config/i386/i386.md: Ditto.
10686         * config/i386/mmx.md: Ditto.
10687         * config/i386/predicates.md: Ditto.
10688
10689 2007-01-22  Andreas Schwab  <schwab@suse.de>
10690
10691         * config/m68k/m68k.h: Fix comment.
10692
10693 2007-01-22  Jan Hubicka  <jh@suse.cz>
10694
10695         * passes.c (init_optimization_passes): Do not rerun
10696         pass_early_warn_uninitialized.
10697
10698 2007-01-22  Richard Guenther  <rguenther@suse.de>
10699
10700         PR tree-optimization/30038
10701         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10702         function.
10703         (execute_cse_sincos_1): Likewise.
10704         (execute_cse_sincos): Likewise.
10705         (gate_cse_sincos): Likewise.
10706         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10707         the cexpi() canonicalization of sincos().
10708         * tree-pass.h (pass_cse_sincos): Declare.
10709         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10710
10711 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10712
10713         PR rtl-optimization/29329
10714         * combine.c (replaced_rhs_insn): Rename to i2mod.
10715         (replaced_rhs_value): Rename to i2mod_new_rhs.
10716         (i2mod_old_rhs): New global variable.
10717         (combine_instructions): Adjust for above change.  Save a copy of
10718         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10719         note are substituted in the second instruction.
10720         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10721         ditch the note if it pertains to the second eliminated register
10722         and this register is mentioned in i2mod_old_rhs.
10723
10724         Revert:
10725         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10726
10727         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10728         the insn to which the note was originally attached.
10729
10730 2007-01-21  Jan Hubicka  <jh@suse.cz>
10731
10732         * ipa-inline.c (inlining_mode): Comment, move up.
10733         (cgraph_decide_inlining_incrementally): Do not perform inlining
10734         itself; fix handling of flattening of self recursive functions.
10735         (cgraph_find_cycles): Remove.
10736         (cgraph_flatten_node): Remove.
10737         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10738         (try_inline): New function.
10739         (cgraph_early_inlining): Update call of
10740         cgraph_decide_inlining_incrementally.  Apply inlining here.
10741         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10742
10743 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10744
10745         PR bootstrap/30511
10746         * tree-vrp.c (check_array_bounds): do not warn
10747         about ADDR_EXPR's of ARRAY_REF's which are immediately
10748         used in binary expressions.
10749
10750 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10751
10752         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10753         read_write_dep and macros for its access.
10754         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10755         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10756         argument, call vect_check_interleaving for every independent pair of
10757         data-refs. Mark loads that access the same memory location as a store
10758         in the loop.
10759         (vect_check_dependences): Remove.
10760         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10761         call, fix the call to vect_analyze_data_ref_dependence.
10762         (vect_analyze_data_ref_access): For statements that access the same
10763         data-ref, check that they are not stores; for loads, check that there
10764         is no store that access the same location.
10765
10766 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10767             Joseph Myers  <joseph@codesourcery.com>
10768
10769         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10770         (-fdump-rtl-stack): Likewise.
10771         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10772         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10773         (-mpt-fixed): Use @minus{} for minus sign.
10774         (Using Precompiled Headers): Fix under/overfull hbox.
10775
10776 2007-01-20  Jan Hubicka  <jh@suse.cz>
10777
10778         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10779         place within annotation.
10780
10781 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10782
10783         * pa.c (output_move_double): Change array size of xoperands to 4.
10784
10785 2007-01-20  Jan Hubicka  <jh@suse.cz>
10786
10787         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10788         as temporary.
10789
10790 2007-01-19  Ian Lance Taylor  <iant@google.com>
10791
10792         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10793         constant to unsigned HOST_WIDE_INT before negating.
10794
10795 2007-01-19  Ian Lance Taylor  <iant@google.com>
10796
10797         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10798         to unsigned.
10799         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10800         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10801         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10802         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10803         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10804         (realloc_vdef, realloc_vuse): Change second parameter to
10805         unsigned.
10806         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10807         fields to unsigned.
10808         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10809         unsigned. Change x and lim locals to unsigned.
10810         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10811         unsigned.
10812         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10813         (copy_virtual_operands): Change i and n locals to unsigned.
10814
10815 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10816
10817         PR middle-end/29335
10818         * builtins.c (fold_builtin_1): Handle builtin fdim.
10819
10820 2007-01-20  Jan Hubicka  <jh@suse.cz>
10821
10822         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10823         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10824         init_alias_heapvars.
10825         (init_alias_heapvars): Initialize only when not already initialized.
10826         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10827
10828 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10829
10830         * common.opt (fsigned-zeros): New command line option.
10831         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10832         of flag_unsafe_math_optimizations.
10833         * opts.c (set_fast_math_flags): The -ffast-math command line option
10834         implies -fno-signed-zeros.
10835         (fast_math_flags_set_p): Likewise.
10836
10837         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10838         the documentation of -ffast-math appropriately.  Wrap long lines.
10839
10840 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10841
10842         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10843         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10844
10845 2007-01-19  Tomas Bily  <tbily@suse.cz>
10846
10847         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10848         * tree-profile.c:
10849         (tree_init_ic_make_global_vars): New function
10850         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10851         (tree_gen_ic_profiler): New function
10852         (tree_gen_ic_func_profiler): New function
10853         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10854         (tree_profile_hooks): Added hook for indirec/virtual calls
10855         * value-prof.c (tree_find_values_to_profile): New case for
10856         indirect calls
10857         (tree_values_to_profile): Call for determining indirect/virtual
10858         counters
10859         (tree_indirect_call_to_profile): New function
10860         (tree_ic_transform): New function
10861         (tree_ic): New function
10862         (find_func_by_pid): New function
10863         (init_pid_map): New function
10864         (tree_value_profile_transformations): Added check for
10865         indirect/virtual call transformation
10866         * value-prof.h (enum hist_type): New counter type for
10867         indirect/virtual calls
10868         (profile_hooks): Added new hook for profiling indirect/virtual
10869         calls
10870         * profile.c (instrument_values): New case for indirect/virtual
10871         call added
10872         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10873         (GCOV_COUNTER_V_INDIR): New counter type
10874         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10875         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10876         call added
10877         * cgraph.c: Definition of cgraph_max_pid
10878         (cgraph_create_node): Default init of pid attribute
10879         * cgraph.h: Declaration of cgraph_max_pid
10880         (struct cgraph_node): Added pid attribute
10881         * libgcov.c (__gcov_indirect_call_profiler): New function
10882         (__gcov_one_value_profiler_body): New function
10883         (__gcov_one_value_profiler): Body was moved to
10884         __gcov_one_value_profiler_body and calls it
10885
10886 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10887
10888         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10889         * gengtype.c (write_types_data, write_func_for_structure,
10890         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10891         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10892         (walk_type, write_func_for_structure): Generate the mark_hook if
10893         needed.
10894
10895 2007-01-19  Jan Hubicka  <jh@suse.cz>
10896
10897         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10898         'early' argument take inlining mode argument specifying whether to
10899         inline for size/speeed or all functions; add support for flattening;
10900         improve dumpting.
10901         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10902
10903 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10904
10905         PR c++/17947
10906         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10907         the name of the declared identifier.
10908
10909 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10910
10911         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10912         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10913         duplicate evaluation.
10914
10915 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10916
10917         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10918         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10919         to XFMode, use acosxf2 and truncate result to requested mode.
10920         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10921         (asin<mode>2): Similarly, with asin expanders.
10922         (*fscalexf4_i387): Rename from *fscalexf4.
10923         (expNcorexf3): New expander.
10924         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10925         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10926         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10927         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10928         patterns for SSE math.
10929         (exp10<mode>2): Similarly, with exp10 expanders.
10930         (exp2<mode>2): Similarly, with exp2 expanders.
10931         (expm1<mode>2): Similarly, with expm1 expanders.
10932         (ldexp<mode>3): Similarly, with ldexp expanders.
10933         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10934         Use gen_truncxf<mode>2_i387_noop to truncate result.
10935
10936 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10937
10938         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10939         for ColdFire targets.
10940
10941 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10942             Richard Sandiford  <richard@codesourcery.com>
10943
10944         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10945         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10946         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10947         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10948         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10949         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10950
10951 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10952
10953         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10954         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10955         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10956         (*adddi_dilshr32_cf): New pattern.
10957         (adddi3, subdi3): Remove first alternatives.
10958
10959 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10960
10961         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10962         implemented using move.l, do not use its cc result for floating-point
10963         comparisons.
10964
10965 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10966
10967         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10968         from accepting 's' constraints if flag_pic.
10969
10970 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10971
10972         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10973         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10974         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10975         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10976
10977 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10978
10979         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10980         ColdFire alternatives.
10981         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10982         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10983         architectures that support ff1 instruction.
10984
10985 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10986             Julian Brown  <julian@codesourcery.com>
10987
10988         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10989         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10990         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10991         Add commentary.
10992
10993 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10994
10995         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10996         and return a bool.
10997         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10998         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10999         HOST_WIDE_INT instead of an rtx.
11000         (m68k_rtx_costs): Update call accordingly.
11001         (output_move_const_into_data_reg): Likewise.  Fix formatting.
11002         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
11003         Return a bool.
11004         (output_move_simode_const): Update calls after above changes.
11005         Rework to use automatic variables and predicates like MEM_P.
11006         * config/m68k/m68k.md (pushexthisi_const): Update call to
11007         valid_mov3q_const.
11008
11009 2007-01-19  Dirk Mueller  <dmueller@suse.de>
11010
11011         * tree-ssa-alias.c (perform_var_substitution): Fix typo
11012         in dump_flags test.
11013
11014 2007-01-19  Richard Guenther  <rguenther@suse.de>
11015
11016         * builtins.c (expand_builtin_cexpi): Fall back to expanding
11017         via cexp in case sincos is not available.
11018
11019 2007-01-19  Richard Guenther  <rguenther@suse.de>
11020
11021         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
11022         * defaults.h (TARGET_HAS_SINCOS): Default to off.
11023         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
11024         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
11025         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
11026         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
11027         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
11028         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
11029
11030 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
11031
11032         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
11033         New insn patterns.
11034         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
11035         (atan2xf3): Directly generate RTL pattern.
11036         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
11037         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
11038         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11039         disable patterns for SSE math.
11040         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
11041         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
11042         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11043         disable patterns for SSE math.
11044
11045 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
11046
11047         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
11048
11049 2007-01-18  Roger Sayle  <roger@eyesopen.com>
11050
11051         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
11052         VIEW_CONVERT_EXPR to the same type as it's operand.
11053
11054 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
11055
11056         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
11057         configured for long double 128.
11058
11059 2007-01-18  Mike Stump  <mrs@apple.com>
11060
11061         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
11062         error.
11063
11064 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
11065
11066         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
11067         type correct.
11068
11069 2007-01-18  Jan Hubicka  <jh@suse.cz>
11070
11071         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
11072         greater than NUM_VOP_FREE_BUCKETS.
11073
11074 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
11075
11076         * tree-ssa-structalias.c: Update comments.
11077         (ptabitmap_obstack): Removed.
11078         (pta_obstack): New.
11079         (oldpta_obstack): Ditto.
11080         (stats): Add a few members.
11081         (struct variable_info): Remove node, complex, address_taken, and
11082         indirect_target members. Add oldsolution member.
11083         (new_var_info): Do not initialize removed members.
11084         (constraint_expr_type): Remove INCLUDES.
11085         (constraint_graph): Add size, implicit_preds, rep,
11086         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
11087         (FIRST_REF_NODE): New macro.
11088         (LAST_REF_NODE): Ditto.
11089         (FIRST_ADDR_NODE): Ditto.
11090         (find): New function.
11091         (unite): Ditto.
11092         (dump_constraint): Do not handle INCLUDES.
11093         (insert_into_complex): Do not insert duplicate constraints.
11094         (condense_varmap_nodes): Renamed and rewritten into ...
11095         (merge_node_constraints): This. Also fix bug in handling of
11096         offseted copy constraints.
11097         (clear_edges_for_node): No longer need to deal with preds at all,
11098         or removing associated preds/succs.
11099         (merge_graph_nodes): Deal with indirect_cycles.
11100         Don't deal with predecessors.
11101         (add_implicit_graph_edge): New function.
11102         (add_pred_graph_edge): Ditto.
11103         (add_graph_edge): Don't deal with predecessors.
11104         (build_constraint_graph): Removed.
11105         (build_pred_graph): New function.
11106         (build_succ_graph): Ditto.
11107         (struct scc_info): Removed in_component. Added roots, dfs, and
11108         node_mapping. Remove visited_index, unification_queue.
11109         (scc_visit): Deal with union-find we do now.
11110         Deal with cycles with REF nodes.
11111         (collapse_nodes): Renamed and rewritten to ...
11112         (unify_nodes): This.
11113         (process_unification_queue): Removed.
11114         (topo_visit): Cleanup
11115         (do_da_constraint): Use find.
11116         (do_sd_constraint): Ditto.
11117         (do_ds_constraint): Ditto.
11118         (do_complex_constraint): Ditto.
11119         (init_scc_info): Update for removed and added members.
11120         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
11121         (find_indirect_cycles): This.
11122         (equivalence_class): New variable.
11123         (label_visit): New function.
11124         (perform_variable_substitution): Rewritten.
11125         (free_var_substitution_info): New function.
11126         (find_equivalent_node): Ditto.
11127         (move_complex_constraints): Ditto.
11128         (eliminate_indirect_cycles): Ditto.
11129         (solve_graph): Only propagate changed bits.
11130         Use indirect cycle elimination.
11131         Use find.
11132         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
11133         (tree_id_eq): Renamed to ...
11134         (tree_vi_eq): This. Update for member change
11135         (insert_id_for_tree): Renamed and rewritten to ...
11136         (insert_vi_for_tree): This.
11137         (lookup_id_for_tree): Renamed and rewritten to ...
11138         (lookup_vi_for_tree): This.
11139         (get_id_for_tree): Renamed and rewritten to ...
11140         (get_vi_for_tree): Ditto.
11141         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
11142         (process_constraint): Don't handle INCLUDES.
11143         Remove special ADDRESSOF case.
11144         (find_func_aliases): Rewrite to use vi functions instead of id
11145         ones.
11146         (create_function_info_for): Ditto.
11147         (create_variable_info_for): Ditto.
11148         (intra_create_variable_infos): Ditto.
11149         (merge_smts_into): Ditto.
11150         (find_what_p_points_to): Ditto.
11151         (init_base_vars): Ditto.
11152         (init_alias_vars): Ditto.
11153         (remove_preds_and_fake_succs): New function.
11154         (dump_sa_points_to_info): Dump new stats.
11155         (dump_solution_for_var): Use find.
11156         (set_used_smts): Fix formatting.
11157         (compute_points_to_sets): Updated for new functions.
11158         (ipa_pta_execute): Ditto.
11159
11160 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11161             Richard Sandiford  <richard@codesourcery.com>
11162
11163         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
11164         parallels.
11165         * calls.c (expand_call): If the return value is a PARALLEL,
11166         extract its first member.
11167         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
11168         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11169         use FUNCTION_EXTRA_EPILOGUE.
11170         (m68k_function_value): Return a PARALLEL if the return value
11171         is of a pointer type.
11172         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
11173         (FUNCTION_EXTRA_EPILOGUE): Remove.
11174         * config/m68k/m68k.md (D0_REG): New constant.
11175
11176 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11177
11178         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11179         output a NOP for empty epilogues.
11180
11181 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11182
11183         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
11184         before function.  Extend register save check to include all
11185         registers, not just integer ones.
11186
11187 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11188
11189         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
11190         (m68k_use_return_insn): ...this.
11191         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
11192         * config/m68k/m68k.c (use_return_insn): Rename to...
11193         (m68k_use_return_insn): ...this.
11194         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
11195         of USE_RETURN_INSN.
11196
11197 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11198
11199         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
11200         nearest even, fix denormal rounding overflow.
11201
11202 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11203
11204         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
11205         f%$smove and f%$move.
11206         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
11207         (extendsfdf2_cf): Use fdmove instead of f%&move.
11208         (truncdfsf2_cf): Use fsmove instead of f%$smove.
11209         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
11210
11211 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11212
11213         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
11214         GPR<-GPR moves.
11215
11216 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11217
11218         * real.h (real_format): Add a canonical_nan_lsbs_set field.
11219         (coldfire_single_format): Declare.
11220         (coldfire_double_format): Likewise.
11221         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
11222         of qnan_msb_set to determine the lower bits of a canonical
11223         NaN significand.
11224         (encode_ieee_double): Likewise.
11225         (encode_ieee_quad): Likewise.
11226         (ieee_single_format): Initialize canonical_nan_lsbs_set.
11227         (mips_single_format): Likewise.
11228         (ieee_double_format): Likewise.
11229         (mips_double_format): Likewise.
11230         (ieee_extended_motorola_format): Likewise.
11231         (ieee_extended_intel_96_format): Likewise.
11232         (ieee_extended_intel_128_format): Likewise.
11233         (ieee_extended_intel_96_round_53_format): Likewise.
11234         (ibm_extended_format): Likewise.
11235         (mips_extended_format): Likewise.
11236         (ieee_quad_format): Likewise.
11237         (mips_quad_format): Likewise.
11238         (vax_f_format): Likewise.
11239         (vax_d_format): Likewise.
11240         (vax_g_format): Likewise.
11241         (i370_single_format): Likewise.
11242         (i370_double_format): Likewise.
11243         (decimal_single_format): Likewise.
11244         (decimal_double_format): Likewise.
11245         (decimal_quad_format): Likewise.
11246         (c4x_single_format): Likewise.
11247         (c4x_extended_format): Likewise.
11248         (real_internal_format): Likewise.
11249         (coldfire_single_format): New real_format.
11250         (coldfire_double_format): Likewise.
11251         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11252         canonical_nan_lsbs_set.
11253         (pdp11_d_format): Likewise.
11254         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11255         if TARGET_COLDFIRE_CPU.
11256
11257 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11258
11259         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11260         (output_call, m68k_legitimize_call_address): Declare.
11261         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11262         parenthesees.  Add support for a 'W' constraint.
11263         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11264         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11265         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11266         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11267         variables.
11268         (override_options): Initialize them.  Do not set flag_no_function_cse
11269         for TARGET_ID_SHARED_LIBRARY.
11270         (m68k_output_pic_call): Delete.
11271         (m68k_legitimize_call_address): New function.
11272         (print_operand): Remove the %o prefix.  Handle the %p prefix.
11273         (output_call): New function.
11274         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
11275         target address from the GOT if symbolic jumps are not allowed.
11276         * config/m68k/m68k.md (call, general_operand): Do not set
11277         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
11278         Merge separate flag_pic and !flag_pic define_insns into...
11279         (*call, *call_value): ...these new patterns.  Match the address
11280         rather than the containing MEM and require it to be a call_operand.
11281         Use output_call to generate the asm template.
11282         * config/m68k/predicates.md (const_call_operand): New predicate.
11283         (call_operand): Likewise.
11284
11285 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11286
11287         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11288         (STACK_GROWS_DOWNWARD): Define to 1.
11289         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11290         comments, emphasizing that these values are only defaults.
11291         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11292         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11293
11294 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11295
11296         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11297
11298 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11299             Richard Sandiford  <richard@codesourcery.com>
11300
11301         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11302         (FP_REGNO_P): New macros.
11303         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11304         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11305         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11306         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11307
11308 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11309
11310         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11311         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11312         to $tmake_file.
11313         * config/m68k/t-floatlib: New file, extracting common code from...
11314         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11315         * config/m68k/t-uclinux: Here.
11316         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11317         routines on ColdFire targets.
11318
11319 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11320
11321         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11322         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11323         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11324         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11325         explicitly set MOTOROLA to 1.
11326         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11327
11328 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11329             Nathan Sidwell  <nathan@codesourcery.com>
11330
11331         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11332         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11333         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11334         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11335         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11336         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11337         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11338         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11339         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11340         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11341         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11342         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11343         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11344         (DBX_REGISTER_NUMBER): Delete.
11345         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11346         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11347         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11348
11349 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11350
11351         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11352         * config/flat.h: New file.
11353         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11354         OBJECT_FORMAT_FLAT.
11355         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11356         indirect references for -msep-data or -mid-shared-library.
11357         Do not use PC-relative code addresses either.
11358         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11359         to -mpcrel.
11360         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11361         for shared libraries and crt1.o for executables.  Use crti.o and
11362         crtbegin.o.
11363         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11364         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11365         Do not add -elf2flt or -shared-lib-id options here.
11366         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11367         Pass -shared-lib-id if -mid-shared-library, taking the library
11368         identifier from -mshared-library-id if given, otherwise
11369         defaulting to 0.
11370         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11371         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11372         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11373         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11374         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11375         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11376         and crtend.o.
11377         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11378         jump sequence for ISA A and ISA A+.
11379         (PICJUMP): Likewise.
11380
11381 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11382
11383         * config.gcc (m68k-*-uclinux*): Base the port on the common
11384         and m68k GNU/Linux files rather than on the generic ELF ones.
11385         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11386         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11387
11388 2007-01-18  Julian Brown  <julian@codesourcery.com>
11389             Richard Sandiford  <richard@codesourcery.com>
11390
11391         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11392         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11393         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11394         before redefining.
11395         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11396         80 unconditionally.
11397         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11398
11399 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11400
11401         * doc/install.texi: Document m68k-uclinuxoldabi.
11402         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11403         * config/m68k/uclinux-oldabi.h: New file, copied from
11404         config/m68k/uclinux.h.
11405
11406 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11407
11408         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11409         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11410         (m32r_compute_frame_size): Use unsigned for regno.
11411         (m32r_reload_lr): Use gen_frame_mem.
11412         (pop): New.
11413         (m32r_output_function_epilogue): Don't output the function epilogue
11414         textually here.
11415         (m32r_expand_epilogue): New.
11416         (direct_return): Return false if the function has the interrupt
11417         attribute.
11418         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11419         * config/m32r/m32r.md (epilogue): New expander.
11420         (return_lr, return_rte): New insns.
11421         (return): Make it expander.
11422         (return_normal): New expander.
11423
11424 2007-01-18  Josh Conner  <jconner@apple.com>
11425
11426         PR target/30485
11427         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11428         support for UNLE, UNLT, UNGE, and UNGT.
11429
11430 2007-01-18  Jan Hubicka  <jh@suse.cz>
11431
11432         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11433         * tree-tailcall (add_virtual_phis): Likewise.
11434         (optimize_tail_call): Return TODOs.
11435         (execute_tail_calls): Return TODOs.
11436         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11437         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11438         changed.
11439         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11440         Cleanup cfg using TODO.
11441         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11442         * passes.c (execute_function_todo): When cleanup did something, remove
11443         unused locals.
11444         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11445         (make_edges): Don't cleanup_cfg.
11446
11447 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11448
11449         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11450         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11451         operate on the top of stack.
11452         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11453         register handling of instructions that output to the second
11454         stack slot.
11455         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11456         (move_for_stack_reg): Special-case check for dead destination
11457         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11458
11459         * config/i386/i386.md (UNSPEC_TAN): New constant.
11460         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11461         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11462         to correctly model move of constant 1.0 to top stack slot.
11463         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11464         (unnamed peephole2 pattern): Remove corresponding peephole2
11465         pattern that optimizes tan insn and loading of constant 1.0.
11466         (tanxf2): Use fptanxf4_i387.
11467         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11468         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11469         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11470         disable patterns for SSE math.
11471         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11472         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11473
11474 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11475             Richard Guenther <rguenther@suse.de>
11476
11477         PR diagnostic/8268
11478         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11479         * common.opt (Warray-bounds): Add new warning option.
11480         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11481         if -Wall is given.
11482         * Makefile.in: make tree-vrp.o depend on toplev.h
11483         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11484         is enabled.
11485         (check_array_refs, check_array_bounds, check_array_ref): New.
11486
11487 2007-01-18  Jan Hubicka  <jh@suse.cz>
11488
11489         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11490         (execute_ssa_ccp): Return flags conditionally.
11491         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11492         changed.
11493         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11494
11495 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11496
11497         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11498         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11499
11500         * Makefile.c (GTFILES): Add cfglayout.h.
11501         * gengtype.c (open_base_files): Likewise.
11502         * cfglayout.c (cfg_layout_function_footer,
11503         cfg_layout_function_header) Reindent to make gengtype happy.
11504         * cfglayout.h (cfg_layout_function_footer,
11505         cfg_layout_function_header): Add GTY(()) marker.
11506
11507         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11508
11509 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11510
11511         * genautomata.c (write_automata): Include xstrerror output in the
11512         error message if writing the DFA description file fails.
11513
11514 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11515
11516         * config/mips/mips-protos.h (mips_output_external): Make it
11517         return void.
11518         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11519         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11520         (extern_list): Likewise.
11521         (extern_head): Likewise.
11522         (TARGET_ASM_FILE_END): Likewise.
11523         (mips_file_end): Likewise.
11524         (mips_output_external): Rewritten.
11525
11526 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11527
11528         * genpreds.c (write_insn_preds_c): Only write out the function
11529         body for regclass_for_constraint if we have register constraints.
11530
11531 2007-01-17  Tom Tromey  <tromey@redhat.com>
11532
11533         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11534         * doc/install.texi (Testing): Use sourceware.org.
11535         (Binaries): Likewise.
11536         (Specific): Likewise.
11537         * doc/contrib.texi (Contributors): Use sourceware.org.
11538
11539 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11540
11541         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11542         (AVR_ENHANCED): Rename to ...
11543         (AVR_HAVE_MUL): ... new.
11544         (avr_enhanced_p): Rename to ...
11545         (avr_have_mul_p): ... new.
11546         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11547         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11548         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11549         (avr_have_mul_p): ... new.
11550         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11551         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11552         'avr_enhanced_p' and 'enhanced'.
11553         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11554         AVR_HAVE_MUL instead of AVR_ENHANCED.
11555         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11556         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11557         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11558         instead of AVR_ENHANCED.
11559         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11560         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11561         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11562
11563 2007-01-17  Ian Lance Taylor  <iant@google.com>
11564
11565         * vec.h (VEC_reserve_exact): Define.
11566         (vec_gc_p_reserve_exact): Declare.
11567         (vec_gc_o_reserve_exact): Declare.
11568         (vec_heap_p_reserve_exact): Declare.
11569         (vec_heap_o_reserve_exact): Declare.
11570         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11571         versions.
11572         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11573         negative parameter.
11574         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11575         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11576         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11577         * vec.c (calculate_allocation): Add exact parameter.  Change all
11578         callers.
11579         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11580         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11581         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11582         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11583         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11584         (vec_heap_p_reserve_exact): New function.
11585         (vec_heap_o_reserve_exact): New function.
11586
11587 2007-01-17  Jan Hubicka  <jh@suse.cz>
11588
11589         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11590
11591 2007-01-17  Eric Christopher  <echristo@apple.com>
11592
11593         * config.gcc: Support core2 processor.
11594
11595 2007-01-16  Jan Hubicka  <jh@suse.cz>
11596
11597         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11598         the names, just unlink the chain so we don't crash on dangling pointers
11599         to dead SSA names.
11600
11601 2007-01-16  Jan Hubicka  <jh@suse.cz>
11602
11603         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11604         * tree-pass.h: Reorder to make IPA passes appear toegher.
11605         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11606         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11607         parameters, do not call early inliner.
11608         * ipa-inline.c: Update comments.  Include tree-flow.h
11609         (cgraph_decide_inlining): Do not compute inlining parameters.
11610         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11611         be called with function context set up.
11612         (pass_ipa_inline): Remove unreachable functions before pass.
11613         (cgraph_early_inlining): Simplify assuming to be called from the
11614         PM as local pass.
11615         (pass_early_inline): New pass.
11616         (cgraph_gate_ipa_early_inlining): New gate.
11617         (pass_ipa_early_inline): Turn into simple wrapper.
11618         (compute_inline_parameters): New function.
11619         (gate_inline_passes): New gate.
11620         (pass_inline_parameters): New pass.
11621         (apply_inline): Move here from tree-optimize.c
11622         (pass_apply_inline): New pass.
11623         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11624         transforming.
11625         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11626         doing them by hand.
11627         (tree_function_versioning): Do not allocate dummy struct function.
11628         * tree-inline.h (optimize_inline_calls): Update prototype.
11629         * tree-optimize.c (execute_fixup_cfg): Export.
11630         (pass_fixup_cfg): Remove
11631         (tree_rest_of_compilation): Do not apply inlines.
11632         * tree-flow.h (execute_fixup_cfg): Declare.
11633         * Makefile.in (gt-passes.c): New.
11634         * passes.c: Include gt-passes.h
11635         (init_optimization_passes): New passes.
11636         (nnodes, order): New static vars.
11637         (do_per_function_toporder): New function.
11638         (execute_one_pass): Dump current pass here.
11639         (execute_ipa_pass_list): Don't dump current pass here.
11640
11641 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11642
11643         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11644         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11645
11646 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11647
11648         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11649         (strong_alias): Define.
11650         (__gcc_qmul): Provide non-FMA for soft-float.
11651         (__gcc_qdiv): Same.
11652         (__gcc_qneg): New.
11653         (__gcc_qeq): New.
11654         (__gcc_qle): New.
11655         (__gcc_qge): New.
11656         (__gcc_qunord): New.
11657         (__gcc_stoq): New.
11658         (__gcc_dtoq): New.
11659         (__gcc_qtos): New.
11660         (__gcc_qtod): New.
11661         (__gcc_qtoi): New.
11662         (__gcc_qtou): New.
11663         (__gcc_itoq): New.
11664         (__gcc_utoq): New.
11665         (fmsub): New.
11666         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11667         soft-float functions.
11668         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11669         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11670         about long double soft float.
11671
11672 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11673             Tehila Meyzels  <tehila@il.ibm.com>
11674
11675         * tree-vectorizer.h (is_pattern_stmt_p): New.
11676         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11677         formatting (tabs instead of spaces). Cleanup and clarify setting
11678         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11679         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11680         (vectorizable_type_demotion): Check that types are integral.
11681         (vectorizable_type_promotion): Likewise.
11682         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11683         comments.
11684
11685 2007-01-16  Jan Hubicka  <jh@suse.cz>
11686
11687         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11688         cgraph edges too.
11689
11690 2007-01-15  Eric Christopher  <echristo@apple.com>
11691
11692         * ifcvt.c: Include vec.h, vecprim.h.
11693         (check_cond_move_block): New argument regs.
11694         Reorganize. Add registers used to regs.
11695         (cond_move_process_if_block): Use regs set above as
11696         loop bounds.
11697
11698 2007-01-15  Eric Christopher  <echristo@apple.com>
11699
11700         * config/darwin.h: Update copyright.
11701         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11702         (LINK_COMMAND_SPEC): Add -u.
11703         (LINK_SPEC): Fix umbrella for above.
11704
11705 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11706
11707         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11708         glibc CVS.
11709
11710 2007-01-15  Tom Tromey  <tromey@redhat.com>
11711
11712         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11713         * doc/install.texi (Testing): Don't mention jacks.
11714         (Configuration): Document --enable-java-maintainer-mode.  Move
11715         --with-java-home to libgcj-specific section.  Document
11716         --with-ecj-jar.
11717         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11718
11719 2007-01-15  Jan Hubicka  <jh@suse.cz>
11720
11721         * tree-ssa-dce.c (DCE_TODOs): New.
11722         (propagate_necessity): Return if something changed.
11723         (eliminate_unnecessary_stmts): Likewise.
11724         (perform_tree_ssa_dce): Return TODO flags when needed.
11725         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11726
11727 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11728
11729         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11730         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11731         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11732         patterns using X87MODEF12 mode macro.  Extend operand 1
11733         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11734         (log10<mode>2): Ditto.
11735         (log2<mode>2): Ditto.
11736         (log1p<mode>2): Ditto.
11737         (logb<mode>2): Ditto.
11738         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11739         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11740         (*fxtractxf3_i387): Rename from *fxtractxf3.
11741         (fxtract_extend<mode>xf3_i387): New insn pattern.
11742         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11743         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11744         and gen_fyl2xxf3_i387().
11745
11746 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11747
11748         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11749         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11750         get_loop_exit_edges.  Changed return type to bool.
11751         * cfgloop.h (fix_loop_placement): Declaration removed.
11752
11753 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11754
11755         * param.h (MIN_VECT_LOOP_BOUND): New.
11756         * params.def (MIN_VECT_LOOP_BOUND): New.
11757         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11758         argument - minimum threshold for number of iterations.
11759         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11760         argument to declaration.
11761         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11762         MIN_VECT_LOOP_BOUND.
11763         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11764         slpeel_tree_peel_loop_to_edge with additional argument.
11765         (vect_do_peeling_for_alignment): Likewise.
11766         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11767
11768 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11769
11770         PR target/30413
11771         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11772         operands of size 1.
11773
11774 2007-01-14  Jan Hubicka  <jh@suse.cz>
11775
11776         * tree-dfa.c (remove_referenced_var): New function.
11777         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11778         prune referenced vars list too.
11779         * tree-flow.h (remove_referenced_var): Declare.
11780
11781 2007-01-14  Jan Hubicka  <jh@suse.cz>
11782
11783         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11784         separately.
11785         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11786         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11787         * except.h (verify_eh_throw_table_statements): Kill prototype.
11788         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11789         into call exrepssions.
11790         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11791         eh trhow verifier.
11792         * tree-cfg.c: Include pointer-set.h.
11793         (verify_node_sharing): Work on pointer set.
11794         (verify_eh_throw_stmt_node): New.
11795         (verify_stmts): Use pointers sets, verify throw_stmt.
11796
11797 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11798
11799         * ipa-reference.c (analyze_function): Consider also addresses taken
11800         in phi nodes.
11801
11802 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11803
11804         * c-typeck.c (null_pointer_constant_p): Replace use of
11805         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11806         (build_c_cast): Likewise.
11807
11808 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11809
11810         * tree.h (force_fit_type_double): Remove unused final argument.
11811         * c-common.c (constant_expression_warning): Replace use of
11812         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11813         (convert_and_check): Likewise.
11814         (shorten_compare): Update call to force_fit_type_double.
11815         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11816         * convert.c (convert_to_pointer): Update call to
11817         force_fit_type_double.
11818         * fold-const.c (force_fit_type_double): Remove overflowed_const
11819         argument.
11820         (int_const_binop, fold_convert_const_int_from_int,
11821         fold_convert_const_int_from_real, fold_div_compare,
11822         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11823         fold_abs_const, fold_not_const): Remove the final argument from
11824         calls to force_fit_type_double.
11825
11826 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11827
11828         * configure.ac: Set insn to "nop" for spu-*-* also.
11829         * configure: Regenerate.
11830
11831 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11832
11833         * builtins.def : Add BUILT_IN_FREE.
11834
11835 2007-01-12  Jan Hubicka  <jh@suse.cz>
11836
11837         PR tree-optimization/30443
11838         * tree-inline.c (tree_function_versioning): Do not optimize when
11839         cloning for inlining.
11840
11841 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11842
11843         * doc/loop.texi: Document recording of loop exits.
11844         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11845         (update_single_exits_after_duplication,
11846         update_single_exit_for_duplicated_loop,
11847         update_single_exit_for_duplicated_loops): Removed.
11848         (duplicate_loop_to_header_edge): Do not call
11849         update_single_exits_after_duplication and
11850         update_single_exit_for_duplicated_loops.
11851         (loop_version): Do not update single_exit information.
11852         (fix_loop_structure): Use record_loop_exits instead of
11853         mark_single_exit_loops.
11854         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11855         the lists of loop exits.
11856         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11857         split_edge, merge_blocks): Update the lists of loop exits.
11858         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11859         loop_optimizer_init.
11860         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11861         of mark_single_exit_loops.
11862         (loop_optimizer_finalize): Call release_recorded_exits.
11863         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11864         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11865         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11866         update single exit information.
11867         * lambda-code.c (perfect_nestify): Ditto.
11868         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11869         (mark_single_exit_loops): Removed.
11870         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11871         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11872         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11873         functions.
11874         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11875         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11876         (verify_loop_structure): Verify consistency of the exit lists.
11877         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11878         (set_single_exit): Removed.
11879         * cfgloop.h (struct loop_exit): New function.
11880         (struct loop): single_exit_ field replaced by exits field.
11881         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11882         (struct loops): Added exits hash.
11883         (mark_single_exit_loops, set_single_exit): Declaration removed.
11884         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11885
11886 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11887
11888         * doc/invoke.texi: Avoid use of @headitem.
11889
11890 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11891
11892         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11893
11894 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11895
11896         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11897         list of targets.
11898
11899 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11900             Richard Sandiford  <richard@codesourcery.com>
11901
11902         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11903         * config/m68k/m68k.opt: Resort options.
11904         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11905
11906 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11907             Richard Sandiford  <richard@codesourcery.com>
11908
11909         * doc/invoke.texi: Document the macros that are defined by
11910         m68k's -mtune and -mhard-float options.
11911         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11912         (m68k_cpp_cpu_family): Likewise.
11913         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11914         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11915         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11916         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11917         (m68k_cpp_cpu_family): Likewise.
11918
11919 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11920
11921         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11922         macros besides mc68000 as tuning macros.  Use a switch statement
11923         to set them and mcpu32.
11924
11925 2007-01-12  Julian Brown  <julian@codesourcery.com>
11926
11927         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11928         (TARGET_68040_ONLY): Rename to...
11929         (TARGET_68040): ...this.
11930         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11931         * config/m68k/m68k.md: Likewise.
11932
11933 2007-01-12  Julian Brown  <julian@codesourcery.com>
11934             Nathan Sidwell  <nathan@codesourcery.com>
11935             Richard Sandiford  <richard@codesourcery.com>
11936
11937         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11938         the -mcpu= argument associated with the --with-cpu setting.
11939         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11940         if different from the one implied by the -mcpu setting.
11941         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11942         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11943         * doc/invoke.texi: Mention ColdFire in the introduction to the
11944         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11945         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11946         -mhard-float.  Document the previously-undocumented -m5206e,
11947         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11948         documentation for consistency.
11949         * doc/install.texi: Mention new --with-cpu arguments.
11950         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11951         default CPU if neither -mcpu nor -march are specified.
11952         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11953         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11954         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11955         using m68k_tune to decide between families that implement the
11956         same ISA.  Use m68k_tune to set __mcfv4e__.
11957         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11958         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11959         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11960         (FL_ISA_C, FL_ISA_MMU): New macros.
11961         (MASK_COLDFIRE): Delete.
11962         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11963         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11964         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11965         (TARGET_HARD_FLOAT): Do not define here.
11966         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11967         (TUNE_68000): New macro.
11968         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11969         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11970         (TUNE_CFV2): Redefine in terms of m68k_tune.
11971         (uarch_type, target_device, fpu_type): New enums.
11972         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11973         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11974         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11975         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11976         (FL_FOR_isa_c): New macros.
11977         (m68k_isa): New enum.
11978         (m68k_target_selection): New structure.
11979         (all_devices, all_isas, all_microarchs): New tables.
11980         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11981         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11982         (MASK_ALL_CPU_BITS): Delete.
11983         (m68k_find_selection): New function.
11984         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11985         Map the legacy target options to a combination of the new ones.
11986         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11987         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11988         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11989         settings.
11990         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11991         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11992         properties.
11993         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11994         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11995         * config/m68k/m68k-devices.def: New file.
11996
11997 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11998             Nathan Sidwell  <nathan@codesourcery.com>
11999
12000         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
12001         (SUBTARGET_EXTRA_SPECS): New macros.
12002         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
12003         use %(asm_cpu_spec) instead.
12004         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
12005         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
12006         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
12007         (EXTRA_SPECS): Rename to...
12008         (SUBTARGET_EXTRA_SPECS): ...this.
12009
12010 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
12011             Richard Sandiford  <richard@codesourcery.com>
12012             Julian Brown  <julian@codesourcery.com>
12013
12014         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
12015         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
12016         to the configuration's default CPU.
12017         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
12018         Remove default masks.
12019         (m680[012]0-*-*): Set the default with_cpu to the first part of
12020         the target name.
12021         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
12022         (m68k*-*-linux): Extend the --with-cpu handling to...
12023         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
12024         and m68010.  Don't set target_cpu_default2.
12025         * doc/install.texi: Document --with-cpu for m68k.
12026         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
12027         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
12028         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
12029         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
12030         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
12031         (ASM_SPEC): Remove use of %(asm_cpu_default).
12032         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
12033         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
12034         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
12035         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
12036         __HAVE_FPU__ if TARGET_HARD_FLOAT.
12037         (TARGET_DEFAULT): Delete.
12038         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
12039         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
12040         (CPP_CPU_SPEC): Delete.
12041         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
12042         the appropriate string.
12043         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
12044         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
12045         (ASM_SPEC): Don't use %(asm_default_spec).
12046         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12047         TARGET_DEFAULT and add MASK_68881.
12048         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
12049
12050 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12051
12052         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
12053         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
12054         MASK_68010 alongside MASK_68020.
12055         * doc/invoke.texi: Document -m68010.
12056         * config/m68k/m68k.opt (m68010): New.
12057         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
12058         if TUNE_68010.
12059         (TUNE_68010): New macro.
12060         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
12061         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
12062         (M68K_CPU_m68332): Add MASK_68010.
12063         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
12064         fallback definition.
12065         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
12066         defines.
12067         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
12068         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
12069         to all entries that use MASK_68020.
12070         (output_move_simode_const, output_move_himode, output_move_qimode)
12071         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
12072         instead of TARGET_68020 to select clr behavior.  Remove comment
12073         about there being no TARGET_68010.
12074         * config/m68k/m68k.md: Likewise throughout.
12075
12076 2007-01-12  Julian Brown  <julian@codesourcery.com>
12077
12078         * config/m68k/m68k.h (TARGET_ISAB): New macro.
12079         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
12080         * config/m68k/m68k.md: Likewise.
12081
12082 2007-01-12  Julian Brown  <julian@codesourcery.com>
12083
12084         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
12085         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
12086
12087 2007-01-12  Julian Brown  <julian@codesourcery.com>
12088
12089         * config/m68k/m68k.h (TUNE_68040_60): New macro.
12090         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
12091         * config/m68k/m68k.md: Likewise.
12092
12093 2007-01-12  Julian Brown  <julian@codesourcery.com>
12094             Richard Sandiford  <richard@codesourcery.com>
12095
12096         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
12097         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
12098         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
12099         TARGET_CPU32.
12100         (TARGET_CPU32): Rename to...
12101         (TUNE_CPU32): ...this.
12102         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
12103         (TUNE_CFV2): New macros.
12104         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
12105         remove conditions that are implied by TARGET_68020.
12106         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
12107         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
12108         (m68k_output_function_epilogue): Likewise.
12109         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
12110         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
12111         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
12112         non-68000 timings.  Refactor multiplication and division costs.
12113         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
12114         TUNE_CPU32 instead of TARGET_CPU32.
12115         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
12116         and TUNE_68060 instead of TARGET_68060.
12117         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
12118         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
12119         TARGET_CPU32.
12120         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
12121         && !TARGET_COLDFIRE" to choose between moveq and clr.
12122         Likewise in the unnamed movsf pattern.
12123         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
12124         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
12125         ashiftrt pattern.
12126
12127 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12128
12129         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
12130         of tabbing before backslashes.
12131
12132 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12133
12134         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
12135         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
12136         (ASM_OUTPUT_INTERNAL_LABEL): Define.
12137
12138 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12139
12140         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
12141         find_interesting_uses_cond.
12142         (find_interesting_uses_cond): Use extract_cond_operands.
12143         (rewrite_use_compare): Use extract_cond_operands and
12144         force_gimple_operand_bsi.  Do not call update_stmt.
12145         (determine_use_iv_cost_condition): Use extract_cond_operands.
12146         Return cheaper of using original bound and changing the exit bound.
12147
12148 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12149
12150         PR tree-optimization/29516
12151         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
12152         most_expensive_mult_to_index, addr_to_parts,
12153         create_mem_ref, maybe_fold_tmr): Make the type of
12154         fields of TARGET_MEM_REF sizetype.
12155         (move_fixed_address_to_symbol, move_pointer_to_base):
12156         New functions.
12157         * tree.def (TARGET_MEM_REF): Add comment on types of
12158         the operands.
12159
12160 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
12161
12162         * c-common.c (vector_types_convertible_p): Treat opaque types as
12163         always convertible if they have the same size, but not otherwise.
12164
12165 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
12166
12167         * ifcvt.c (struct noce_if_info): Add comments to the fields.
12168         Remove the b_unconditional field.
12169         (noce_try_sign_mask): Do not look at b_unconditional.
12170         (noce_process_if_block): Do not use merge_if_blocks.  Update
12171         the CFG here.  Do not set b_unconditional.
12172         (cond_move_process_if_block): Likewise.
12173         (find_cond_trap): Likewise.
12174         (check_cond_move_block): Require simple jump insns at the end
12175         of the basic block.
12176
12177 2007-01-11  Jan Hubicka  <jh@suse.cz>
12178
12179         PR tree-optimization/1046
12180         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
12181         when alias info is not ready.
12182         (pass_tail_recursion): Do not require aliasing.
12183         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
12184         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
12185         * tree-ssa-copy.c (pass_copy_prop): Likewise.
12186         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
12187         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
12188         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
12189         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
12190         before inlining.
12191         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
12192         When aliasing is not build, mark statement as volatile.
12193
12194 2007-01-11  Tom Tromey  <tromey@redhat.com>
12195
12196         PR preprocessor/15185, PR preprocessor/20989:
12197         * doc/cppopts.texi <-MT>: Update description of algorithm for
12198         computing default target.
12199         <-M, -MD>: Reword "basename" text.
12200
12201 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12202
12203         * builtins.c (expand_builtin_pow, expand_builtin_powi,
12204         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
12205         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12206         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
12207         fold_builtin_bswap, real_constp, fold_builtin_pow,
12208         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
12209         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
12210         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
12211         * convert.c (convert_to_pointer): Likewise.
12212         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12213         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
12214         const_binop, fold_convert_const_int_from_int,
12215         fold_convert_const_int_from_real,
12216         fold_convert_const_real_from_real, sign_bit_p,
12217         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
12218         fold_sign_changed_comparison, fold_unary, fold_comparison,
12219         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
12220         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12221         * print-tree.c (print_node_brief, print_node): Likewise.
12222         * stor-layout.c (place_field, layout_type): Likewise.
12223         * tree-chrec.c (keep_cast): Likewise.
12224         * tree.c (build_vector, build_real, build_real_from_int_cst,
12225         build_complex): Likewise.
12226
12227 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12228
12229         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
12230         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
12231
12232 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
12233
12234         * configure.ac (strict1_warn): Rename to strict_warn.
12235         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
12236         cc_set_by_configure, quoted_cc_set_by_configure,
12237         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12238         all_boot_languages, all_stagestuff): Remove.
12239         (target_list): Remove bootstrap targets.
12240         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12241         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12242         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12243         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12244         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12245         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12246         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12247         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12248         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12249         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12250         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12251         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12252         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12253         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12254         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12255         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12256         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12257         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12258         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12259         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12260         (mostlyclean): Adjust.
12261         (clean, distclean): Don't mention bootstrap stuff.
12262         * configure: Regenerate.
12263         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12264         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12265         treelang/config-lang.in (stagestuff): Remove.
12266         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12267         stageprofile, stagefeedback, stagestuff): Remove mention.
12268
12269 2007-01-11  Nick Clifton  <nickc@redhat.com>
12270
12271         * config/mcore/predicates.md (mcore_general_movesrc_operand):
12272         Accept CONSTs.
12273         (mcore_general_movdst_operand): Do not accept CONST_INTs.
12274         (mcore_arith_K_S_operand): Run the test for the S constraint not
12275         the test for the M constraint.
12276         (mcore_addsub_operand): Do not accept integer values that are
12277         larger than 32 bits.
12278         * config/mcore/mcore.md: Remove unused constraints from split.
12279         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12280         (addsi3): Likewise.
12281         (allocate_stack): Likewise.
12282         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12283         operands to 32 bits.
12284         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12285         INTVAL.
12286         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12287         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12288         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12289         mcore_output_bclri, mcore_output_andn, output_inline_const,
12290         mcore_output_move, mcore_output_movedouble): Likewise.
12291         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12292         (output_inline_const): Likewise.
12293         (output_inline_const): Fix format strings used in sprintf
12294         statements.
12295         * config/mcore/mcore-protos.h: Update prototypes for changed
12296         functions in mcore.c.
12297         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12298         HOST_WIDE_INT and not int.
12299         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12300         CONST_OK_FOR_N): Likewise.
12301         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12302         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12303         an INTVAL.
12304
12305 2007-01-10  Jan Hubicka  <jh@suse.cz>
12306
12307         * tree-vrp.c (remove_range_assertions): Release defs.
12308         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12309         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12310
12311 2007-01-10  Paul Brook  <paul@codesourcery.com>
12312
12313         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12314         * config/arm/arm.md (mulsi3subsi): New insn.
12315
12316 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12317
12318         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12319         (tree_transform_and_unroll_loop): New.
12320         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12321         Declare.
12322
12323 2007-01-10  Robert Kennedy <jimbob@google.com>
12324
12325         * fold-const.c (fold_comparison): Fold comparisons like (x *
12326         1000 < 0) to (x < 0).
12327
12328 2007-01-10  Ian Lance Taylor  <iant@google.com>
12329
12330         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12331         operands have the same priority.
12332
12333 2007-01-10  Tom Tromey  <tromey@redhat.com>
12334
12335         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12336         (fold_binary): Likewise.
12337         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12338         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12339         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12340         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12341         * langhooks.h (struct lang_hooks): Removed field
12342         'can_use_bit_fields_p'.
12343
12344 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12345
12346         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12347
12348 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12349
12350         * function.c (get_last_funcdef_no): New function.
12351         * function.h (get_last_funcdef_no): Declare.
12352         * tree-inline.c (initialize_cfun): Add initialization.
12353         (tree_function_versioning): Cleanup.
12354
12355 2007-01-10  Jan Hubicka  <jh@suse.cz>
12356
12357         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12358         PHIs.
12359
12360 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12361             Ben Elliston  <bje@au.ibm.com>
12362
12363         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12364         for SAVE_NONLOCAL and Pmode for any other save level.
12365         * spu-protos.h (spu_restore_stack_block): Declare.
12366         * spu.md (save_stack_block): Remove.
12367         (restore_stack_block): Call spu_restore_stack_block.
12368         * spu.c (spu_restore_stack_block): New function.
12369         (spu_expand_epilogue): Remove old comment.
12370
12371 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12372
12373         PR tree-optimization/30322
12374         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12375         (cand_value_at): Return the value as aff_tree.
12376         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12377         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12378         aff_combination_mult): New functions.
12379         (aff_combination_add): Use aff_combination_add_cst.
12380         (aff_combination_convert): Allow conversions to a wider type.
12381         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12382         * tree-affine.h (aff_combination_mult): Declare.
12383
12384 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12385
12386         * doc/tm.texi: Update documentation to reflect reality of exec
12387         and start file search behaviours. Update copyright year.
12388         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12389         header file directories.
12390
12391 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12392
12393         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12394         (*cosxf2): Rename to cosxf2_i387.
12395         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12396         using X87MODEF12 mode macro. Rename patterns to
12397         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12398         for SSE math.
12399         (*cosdf2, *cossf2): Ditto.
12400         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12401         to match extended input operands.
12402         (sincos<mode>3): New expander.
12403         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12404         insn patterns and corresponding splitters.
12405
12406 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12407
12408         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12409         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12410
12411 2007-01-09  Nicolas Pitre  <nico@cam.org>
12412
12413         PR target/30173
12414         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12415
12416 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12417
12418         * target.h (struct gcc_target): New field library_rtti_comdat.
12419         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12420         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12421         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12422         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12423
12424 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12425
12426         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12427
12428 2007-01-08  Richard Guenther  <rguenther@suse.de>
12429
12430         * tree.h (force_fit_type_double): Export.
12431         (force_fit_type): Remove.
12432         * fold-const.c (force_fit_type_double): New function.
12433         (force_fit_type): Remove.
12434         (int_const_binop): Use it.
12435         (fold_convert_const_int_from_int): Likewise.
12436         (fold_convert_const_int_from_real): Likewise.
12437         (fold_div_compare): Likewise.
12438         (fold_sign_changed_comparison): Likewise.
12439         (fold_unary): Likewise.
12440         (fold_negate_const): Likewise.
12441         (fold_abs_const): Likewise.
12442         (fold_not_const): Likewise.
12443         * c-common.c (shorten_compare): Use force_fit_type_double.
12444         * convert.c (convert_to_pointer): Likewise.
12445
12446 2007-01-08  Richard Guenther  <rguenther@suse.de>
12447
12448         * tree.h (build_int_cst_wide_type): Export.
12449         * tree.c (build_int_cst_wide_type): New function.
12450         (build_int_cst_wide): Fix comment.
12451         * builtins.c (fold_builtin_object_size): Use build_int_cst
12452         to build -1 or 0 of the correct type.  Use fit_double_type
12453         to check for overflow.
12454         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12455         to build the mask.
12456         (decode_field_reference): Likewise.
12457         (all_ones_mask_p): Likewise.
12458         (native_interpret_int): Use build_int_cst_wide_type.
12459         (fold_binary): Use build_int_cst_type to build an all-ones
12460         value.
12461         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12462
12463 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12464
12465         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12466
12467 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12468
12469         * genautomata.c (STATS_OPTION): New option.
12470         (stats_flag): New flag.
12471         (gen_automata_option): Handle it.
12472         (initiate_automaton_gen): Ditto.
12473         (write_automata): Output statistics only if stats_flag is
12474         set. Likewise, output time statistics only if time_flag is set.
12475         * doc/md.texi (Processor pipeline description): Document new flag.
12476
12477 2007-01-08  Richard Guenther  <rguenther@suse.de>
12478
12479         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12480         * tree.c (build_int_cst_type): Likewise.
12481         (size_in_bytes): Don't call force_fit_type on the result.
12482         (int_fits_type_p): Use fit_double_type.
12483         * fold-const.c (fit_double_type): New function.
12484         (force_fit_type): Use it.
12485         * tree.h (fit_double_type): Export.
12486
12487 2007-01-08  Jan Hubicka  <jh@suse.cz>
12488
12489         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12490         * ipa.c (function_and_variable_visibility): Fix return type.
12491
12492 2007-01-08  Richard Guenther  <rguenther@suse.de>
12493
12494         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12495         of offset to build the index.
12496         * tree-pretty-print.c (dump_generic_node): Don't build negated
12497         const just for printing.
12498         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12499         * builtins.c (fold_builtin_int_roundingfn): Check if result
12500         fits the type by using force_fit_type and comparing the result.
12501         * predict.c (predict_loops): Use compare_tree_int for comparison.
12502         * tree.c (build_int_cst): Fall back to integer_type_node for
12503         NULL_TREE type.
12504         (build_int_cst_wide): Assert type is non-null.
12505
12506 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12507
12508         * tree-vrp.c (extract_range_from_cond_expr): New.
12509         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12510         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12511         as expressions.
12512         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12513         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12514         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12515         used as expressions.
12516         * tree-object-size.c (cond_expr_object_size): New.
12517         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12518
12519 2007-01-08  Jan Hubicka  <jh@suse.cz>
12520
12521         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12522         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12523         statement.
12524
12525 2007-01-08  Richard Guenther  <rguenther@suse.de>
12526
12527         PR tree-optimization/23603
12528         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12529         (extract_range_from_binary): Fall back to truthvalue instead of
12530         varying for TRUTH_*_EXPR.
12531         (extract_range_from_comparison): Fall back to truthvalue instead of
12532         varying.
12533         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12534         if all visited PHI values were constant.
12535
12536 2007-01-08  Jan Hubicka  <jh@suse.cz>
12537
12538         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12539         (cgraph_analyze_function): break out from ...
12540         (cgraph_finalize_compilation_unit): ... here.
12541         (cgraph_expand_function): Remove forgoten commented out line.
12542         (cgraph_optimize): Analyze functions.
12543
12544 2007-01-08  Jan Hubicka  <jh@suse.cz>
12545
12546         * tree-pas.h (TODO_remove_function): New flag.
12547         (TODO_update*): Renumber.
12548         (pass_ipa_increase_alignment,
12549         pass_ipa_function_and_variable_visibility): New passes.
12550         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12551         (cgraph_function_and_variable_visibility): Move to ipa.c
12552         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12553         cgraph_increase_alignment.
12554         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12555         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12556         calling tree-inline.
12557         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12558         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12559         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12560         (gate_increase_alignment): New function.
12561         (pass_ipa_increase_alignment): New pass.
12562         * ipa.c: Inline tree-pass.h and timevar.h
12563         (function_and_variable_visibility): Move here from cgraphunit.c
12564         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12565         * passes.c (init_optimization_passes): Add the two new passes.
12566         (execute_todo): Handle cgraph_remove_functions.
12567
12568 2007-01-08  Nick Clifton  <nickc@redhat.com>
12569
12570         * config/frv/predicates.md (reg_or_0_operand): Accept
12571         CONST_DOUBLEs.
12572
12573 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12574
12575         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12576         * config.gcc: Add bfin*-rtems*.
12577
12578 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12579
12580         * c.opt: Add -flax-vector-conversions.
12581         * c-typeck.c (convert_for_assignment): Pass flag to
12582         vector_types_convertible_p to allow emission of note.
12583         (digest_init): Likewise.
12584         * c-opts.c: Handle -flax-vector-conversions.
12585         * c-common.c (flag_lax_vector_conversions): New.
12586         (vector_types_convertible_p): Unless -flax-vector conversions
12587         has been passed, disallow conversions between vectors with
12588         differing numbers of subparts and/or element types.  If such
12589         a conversion is disallowed, possibly emit a note on the first
12590         occasion only to inform the user of -flax-vector-conversions.
12591         The new last argument specifies this.
12592         * c-common.h (flag_lax_vector_conversions): New.
12593         (vector_types_convertible_p): Add extra argument.
12594         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12595         char_type_node for V*QI type vectors.
12596         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12597         Update to satisfy new typechecking rules.
12598         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12599         C and C++ variants.
12600         * doc/invoke.texi (C Dialect Options): Document
12601         -flax-vector-conversions.
12602
12603 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12604
12605         PR tree-optimization/29877
12606         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12607         a register variable on the RHS to not be replaceable.
12608
12609 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12610         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12611         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12612         const_simm15, const_pow2, const_npow2): Added.
12613         * config/score/misc.md (insv, extv, extzv, movmemsi,
12614         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12615         * config/score/score.c (score_address_cost, score_select_cc_mode):
12616         Added.
12617         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12618         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12619         Update score_print_operand.
12620         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12621         Adjust register allocate order and update some macro define.
12622         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12623         mdx_block_move_straight, mdx_block_move_loop_head,
12624         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12625         mdx_block_move): Added.
12626         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12627         mdp_limm): Updated and fix some bug and typo.
12628         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12629         (movsf, movdf, doloop_end): Added.
12630
12631 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12632
12633         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12634         config/arm/thumb2.md: Fix comment typos.
12635         * doc/extend.texi: Fix a typo.
12636
12637 2007-01-07  Eric Christopher  <echristo@apple.com>
12638
12639         * configure.ac: Check for __stack_chk_fail for darwin.
12640         * configure: Regenerate.
12641
12642 2007-01-07  Richard Guenther  <rguenther@suse.de>
12643
12644         * tree-vrp.c (extract_range_from_assert): CSE calls to
12645         compare_values where possible.
12646         (extract_range_from_unary_expr): Likewise.
12647
12648 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12649
12650         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12651         * config/avr/avr.c (call_insn_operand): Delete function.
12652         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12653         instead of register number. Use predicates.
12654         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12655         call_insn_operand): Add.
12656
12657 2007-01-06  Jan Hubicka  <jh@suse.cz>
12658
12659         * tree-pass.h (pass_build_cgraph_edges): Declare.
12660         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12661         (visited_nodes): Remove.
12662         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12663         build_cgrpah_edges; make visited_nodes local.
12664         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12665         (record_references_in_initializer): Move to cgraphbuild.c
12666         (initialize_inline_failed, rebuild_cgraph_edges,
12667         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12668         (verify_cgraph_node): Make visited_nodes local.
12669         (cgraph_analyze_function): Do not call cgraph_create_edges and
12670         initialize_inline_failed.
12671         (cgraph_expand_function): Do not call cgraph_lower_function;
12672         assert that function is already lowered.
12673         * Makefile.in (cgraphbuild.o): New.
12674         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12675         at the end of lowering passes.
12676
12677 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12678
12679         * ifcvt.c (cond_move_convert_if_block): New function, code
12680         factored out from...
12681         (cond_move_process_if_block): ...here.  Call the new function
12682         on the THEN and ELSE blocks.
12683         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12684         already takes care of this.
12685
12686 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12687
12688         PR c/19978
12689         * tree.h (TREE_OVERFLOW_P): New.
12690         * c-typeck.c (parser_build_unary_op): Warn only if result
12691         overflowed and operands did not.
12692         (parser_build_binary_op): Likewise.
12693         (convert_for_assignment): Remove redundant overflow_warning.
12694         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12695
12696 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12697
12698         * c-typeck.c (store_init_value): Split over two lines to follow
12699         the GNU coding style.
12700
12701 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12702
12703         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12704         __GXX_EXPERIMENTAL_CXX0X__.
12705         * doc/cpp.texi: Same.
12706
12707 2007-01-05  Richard Guenther  <rguenther@suse.de>
12708
12709         PR middle-end/27826
12710         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12711         with mismatched types.  Instead explicitly build a
12712         conversion NOP_EXPR.
12713
12714 2007-01-05  Ian Lance Taylor  <iant@google.com>
12715
12716         * c-common.c (decl_with_nonnull_addr_p): New function.
12717         (c_common_truthvalue_conversion): Call it.
12718         * c-typeck.c (build_binary_op): Likewise.
12719         * c-common.h (decl_with_nonnull_addr_p): Declare.
12720
12721 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12722
12723         PR c/30360
12724         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12725         denom against 0.0.
12726
12727 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12728
12729         * doc/install.texi (Final install): Document the fact that
12730         the GNAT runtime should not be stripped.
12731
12732 2007-01-04  Jan Hubicka  <jh@suse.cz>
12733
12734         * tree-inline.c (fold_marked_statements): Update operand caches
12735         and EH after folding
12736
12737 2007-01-04  Ian Lance Taylor  <iant@google.com>
12738
12739         * c-common.c (check_function_nonnull): Whitespace fix.
12740
12741 2007-01-04  Jan Hubicka  <jh@suse.cz>
12742
12743         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12744         comitted older version of patch.
12745         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12746         function, celanup cfg and collect garbage.
12747
12748 2007-01-04  Mike Stump  <mrs@apple.com>
12749
12750         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12751         (clean): Likewise.
12752
12753 2007-01-04  Eric Christopher  <echristo@apple.com>
12754
12755         * libgcc2.c (__bswapsi2): Use SItype.
12756         (__bswapdi2): Use DItype.
12757         * libgcc2.h: Update for above.
12758
12759 2007-01-04  Paul Brook  <paul@codesourcery.com>
12760
12761         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12762         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12763         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12764         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12765         umulsi3_highpart): Make conditional on !arm_arch6.
12766         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12767         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12768         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12769         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12770         umulsi3_highpart_v6): New insns.
12771
12772 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12773
12774         * fold-const.c (fold_convert): When casting an expression to void,
12775         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12776         have a type.  Instead of attempting to build a NOP_EXPR, return
12777         these "special" trees directly.
12778
12779 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12780
12781         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12782         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12783         rs6000_cost->fp not 0 as adjustment for outer NEG.
12784
12785 2007-01-04  Jan Hubicka  <jh@suse.cz>
12786
12787         * cgraph.c (cgraph_release_function_body): New function.
12788         (cgraph_remove_node): Use it.
12789         * cgraph.h (cgraph_release_function_body): Declare.
12790         * cgraphunit.c (cgraph_expand_function): Use it.
12791         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12792         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12793         is initialized and while compilation of other function is running.
12794         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12795         statement CFG annotations from here to ...
12796         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12797
12798 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12799
12800         * cfgloop.h (enum li_flags): Make the constants powers of two.
12801
12802 2007-01-04  Jan Hubicka  <jh@suse.cz>
12803
12804         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12805         set.
12806         (fold_marked_statements): New function.
12807         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12808         * tree-inline.h (copy_body_data): Add statements_to_fold.
12809
12810 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12811
12812         * config.gcc: Mention libgcc/config.host.
12813         * Makefile.in: Update comments mentioning libgcc.
12814         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12815         (all.cross, start.encap, rest.encap, rest.cross): Update
12816         dependencies for libgcc move.
12817         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12818         (clean-target, clean-target-libgcc): Delete.
12819         (srcdirify, GCC_EXTRA_PARTS): New macros.
12820         (libgcc-support, libgcc.mvars): New rules.
12821         (distclean): Remove mention of mklibgcc.
12822         (install): Don't reference INSTALL_LIBGCC.
12823         (install-common): Don't reference EXTRA_PARTS.
12824         (install-libgcc, install-multilib): Delete rules.
12825         * mklibgcc.in: Delete file.
12826         * doc/configfiles.texi: Don't mention mklibgcc.
12827
12828         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12829         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12830         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12831         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12832         (mklibgcc, ldblspecs): Likewise.
12833
12834         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12835         (posixpre.def): Use $(T).
12836         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12837         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12838         (SHLIB_LINK): Make dummy.
12839         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12840
12841         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12842
12843         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12844         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12845         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12846         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12847
12848         * configure.ac (all_outputs): Remove mklibgcc.
12849         * configure: Regenerated.
12850
12851 2007-01-03  Josh Conner  <jconner@apple.com>
12852
12853         PR middle-end/29683
12854         * calls.c (compute_argument_addresses): Set stack and stack_slot
12855         for partial args, too.
12856         (store_one_arg): Use locate.size.constant for the size when
12857         generating a save_area.
12858
12859 2007-01-03  Robert Kennedy <jimbob@google.com>
12860
12861         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12862         whose definitions are deleted due to basic block merging.
12863
12864 2007-01-03  Paul Brook  <paul@codesourcery.com>
12865
12866         PR target/16634
12867         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12868         functions.
12869         (use_return_insn): Return 0 for Thumb interrupt functions.
12870         (print_multi_reg): Add rfe argument for IRQ returns.
12871         (arm_output_epilogue): Pop interrupt return address directly into PC.
12872         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12873
12874 2007-01-03  Paul Brook  <paul@codesourcery.com>
12875
12876         Merge from sourcerygxx-4_1.
12877         * config/arm/thumb2.md: New file.
12878         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12879         Thumb-2.
12880         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12881         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12882         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12883         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12884         tables.
12885         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12886         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12887         comptibility.
12888         * config/arm/ieee754-sf.S: Ditto.
12889         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12890         (thumb1_base_register_rtx_p): ... to this.
12891         (thumb_index_register_rtx_p): Rename...
12892         (thumb1_index_register_rtx_p): ... to this.
12893         (thumb_output_function_prologue): Rename...
12894         (thumb1_output_function_prologue): ... to this.
12895         (thumb_legitimate_address_p): Rename...
12896         (thumb1_legitimate_address_p): ... to this.
12897         (thumb_rtx_costs): Rename...
12898         (thumb1_rtx_costs): ... to this.
12899         (thumb_compute_save_reg_mask): Rename...
12900         (thumb1_compute_save_reg_mask): ... to this.
12901         (thumb_final_prescan_insn): Rename...
12902         (thumb1_final_prescan_insn): ... to this.
12903         (thumb_expand_epilogue): Rename...
12904         (thumb1_expand_epilogue): ... to this.
12905         (arm_unwind_emit_stm): Rename...
12906         (arm_unwind_emit_sequence): ... to this.
12907         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12908         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12909         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12910         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12911         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12912         thumb2_output_casesi): New functions.
12913         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12914         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12915         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12916         THUMB2_WORK_REGS): Define.
12917         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12918         arm_condexec_mask, arm_condexec_masklen)): New variables.
12919         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12920         (arm_override_options): Check new CPU capabilities.
12921         Set new architecture flag variables.
12922         (arm_isr_value): Handle v7m interrupt functions.
12923         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12924         Thumb-2.
12925         (const_ok_for_arm): Handle Thumb-2 constants.
12926         (arm_gen_constant): Ditto.  Use movw when available.
12927         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12928         functions.
12929         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12930         (thumb_find_work_register, arm_load_pic_register,
12931         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12932         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12933         print_multi_reg, output_mov_long_double_fpa_from_arm,
12934         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12935         output_mov_double_fpa_from_arm, output_move_double,
12936         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12937         output_return_instruction, arm_output_function_prologue,
12938         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12939         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12940         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12941         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12942         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12943         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12944         '!' and 'L'.
12945         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12946         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12947         (arm_file_start): Output directive for unified syntax.
12948         (arm_unwind_emit_set): Handle stack alignment instruction.
12949         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12950         Add v6t2, v7, v7a, v7r and v7m.
12951         (RETLDM): Add Thumb-2 code.
12952         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12953         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12954         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12955         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12956         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12957         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12958         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12959         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12960         ADJUST_INSN_LENGTH): Define.
12961         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12962         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12963         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12964         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12965         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12966         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12967         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12968         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12969         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12970         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12971         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12972         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12973         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12974         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12975         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12976         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12977         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12978         cortex-m3.
12979         * config/arm/arm-tune.md: Regenerate.
12980         * config/arm/arm-protos.h: Update prototypes.
12981         * config/arm/vfp.md: Enable patterns for Thumb-2.
12982         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12983         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12984         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12985         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12986         * config/arm/libunwind.S: Add Thumb-2 code.
12987         * config/arm/constraints.md: Update include Thumb-2.
12988         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12989         * config/arm/ieee754-df.S: Ditto.
12990         * config/arm/bpabi.S: Ditto.
12991         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12992         * config/arm/predicates.md (low_register_operand,
12993         low_reg_or_int_operand, thumb_16bit_operator): New.
12994         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12995         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12996         * config/arm/t-arm-elf: Add armv7 multilib.
12997         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12998         Include thumb2.md.
12999         (UNSPEC_STACK_ALIGN, ce_count): New.
13000         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
13001         arm_zero_extendsidi2, arm_zero_extendqidi2): New
13002         insns/expanders.
13003         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
13004         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
13005         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
13006         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
13007         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
13008         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
13009         insns.
13010         * doc/extend.texi: Document ARMv7-M interrupt functions.
13011         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
13012
13013 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
13014
13015         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
13016         (struct _Unwind_Context): Rename args_size to flags, remove
13017         signal_frame field, add a new args_size field and version field.
13018         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
13019         _Unwind_IsExtendedContext): New inline functions.
13020         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13021         Assume by_value array is only present if _Unwind_IsExtendedContext.
13022         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
13023         _Unwind_IsSignalFrame.
13024         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
13025         (uw_update_context_1): Use _Unwind_SetSignalFrame.
13026         (uw_init_context_1): Initialize context->flags to
13027         EXTENDED_CONTEXT_BIT.
13028         * config/rs6000/linux-unwind.h (frob_update_context): Use
13029         _Unwind_SetSignalFrame.
13030
13031 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13032
13033         PR middle-end/30353
13034         * gimplify.c (gimplify_modify_expr_complex_part): Move below
13035         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
13036         the value.
13037
13038 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
13039
13040         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
13041         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
13042         RET, AT_SP): Remove.
13043         * config/i386/i386.md (*sse_prologue_save_insn): Use return
13044         instead of RET.
13045
13046         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13047         * cfgbuild.c (find_basic_blocks): Likewise.
13048         * cfgrtl.c (rtl_create_basic_block): Likewise.
13049         * function.c (temp_slots_at_level): Likewise.
13050         * reg-stack.c (stack_regs_mentioned): Likewise.
13051         * regclass.c (allocate_reg_info): Likewise.
13052         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13053         set_bb_for_stmt, move_block_to_fn): Likewise.
13054         * tree-complex.c (tree_lower_complex): Likewise.
13055         * vec.h (VEC_safe_grow_cleared): New.
13056
13057         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
13058
13059 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
13060
13061         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
13062         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
13063         to loop_version.
13064         * cfgloopmanip.c (scale_loop_frequencies): Export.
13065         (loopify): Scale the frequencies by prescribed coefficients.
13066         (set_zero_probability): New function.
13067         (duplicate_loop_to_header_edge): Improve updating of frequencies.
13068         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
13069         and frequencies according to arguments.
13070         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
13071         correctly.
13072         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
13073         * modulo-sched.c (sms_schedule): Set probabilities for entering
13074         versioned loop correctly.
13075         * tree-vect-transform.c (vect_transform_loop): Ditto.
13076         * cfgloop.h (loopify, loop_version): Declaration changed.
13077         (scale_loop_frequencies): Declared.
13078
13079 2007-01-02  Jan Hubicka  <jh@suse.cz>
13080
13081         * cgraph.c: Include tree-flow.h
13082         (cgraph_add_new-function): Handle IPA_SSA mode; execute
13083         early_local_passes.
13084         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
13085         * tree-pass.h (pass_all_early_optimizations): Declare.
13086         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
13087         early_local_passes.
13088         (cgraph_analyze_function): Do early_local_passes.
13089         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13090         Do not add referenced vars.
13091         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
13092         SSA form.
13093         (gate_all_early_local_passes): New gate.
13094         (pass_early_local_passes): Use new gate.
13095         (execute_early_local_optimizations): New functions.
13096         (gate_all_early_optimizations): New gate.
13097         (pass_all_early_optimizations): New pass.
13098         (execute_free_datastructures): Free SSA only when initialized.
13099         (gate_init_datastructures): Init only when optimizing.
13100         (tree_lowering_passes): Do early local passes when called late.
13101         * tree-profile.c (do_tree_profiling): Don't profile functions added
13102         late.
13103         (do_early_tree_profiling, pass_early_tree_profile): Kill.
13104         * tree-cfg.c (update_modified_stmts): Do not update when operands are
13105         not active.
13106         * passes.c (init_optimizations_passes): Reorder so we go into SSA
13107         during early_local_passes.
13108         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
13109
13110
13111 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13112
13113         * Makefile.in: Update copyright year.
13114
13115 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13116
13117         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
13118         in $(lang_checks) and check-consistency targets.
13119
13120 2007-01-02  Jan Hubicka  <jh@suse.cz>
13121
13122         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13123         Do not add referenced vars.
13124         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
13125         are not active.
13126         * passes.c (init_optimization_passes): Put mudflap_2 after
13127         free_datastructures.
13128
13129 2007-01-02  Jan Hubicka  <jh@suse.cz>
13130
13131         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
13132         Set NOTHROW flag on call statements proved to be nothrow.
13133         Update statement of local calls so new pure/const functions are
13134         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
13135         goto receivers.
13136         (tree_rest_of_compilation): Register hooks and initialize bitmap
13137         early. Do not set after_inlining flag.
13138
13139 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
13140
13141         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
13142         HOST_BITS_PER_LONGLONG
13143
13144 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13145
13146         PR c/19977
13147         * c-typeck.c (store_init_value): Don't emit pedantic overflow
13148         warning for non-static initializers.
13149
13150 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
13151
13152         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
13153         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
13154         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
13155         Always use set_unique_reg_note to add REG_EQUAL notes.
13156
13157 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13158
13159         Revert:
13160         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13161
13162         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13163         * cfgbuild.c (find_basic_blocks): Likewise.
13164         * cfgrtl.c (rtl_create_basic_block): Likewise.
13165         * function.c (temp_slots_at_level): Likewise.
13166         * reg-stack.c (stack_regs_mentioned): Likewise.
13167         * regclass.c (allocate_reg_info): Likewise.
13168         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13169         set_bb_for_stmt, move_block_to_fn): Likewise.
13170         * tree-complex.c (tree_lower_complex): Likewise.
13171         * vec.h (VEC_safe_grow_cleared): New.
13172
13173 2007-01-02  Ian Lance Taylor  <iant@google.com>
13174
13175         * c-common.c (c_common_truthvalue_conversion): When warning about
13176         using an assignment as a truth value, set TREE_NO_WARNING.
13177
13178 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13179
13180         PR middle-end/7651
13181         * c.opt (Wold-style-declaration): New.
13182         * doc/invoke.texi (C-only Warning Options): New.
13183         (Wold-style-declaration): Document it.
13184         (Wextra): Enabled by -Wextra.
13185         * c-opts.c (c_common_post_options): Enabled by -Wextra.
13186         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
13187         -Wold-style-declaration.
13188
13189 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13190
13191         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13192         * cfgbuild.c (find_basic_blocks): Likewise.
13193         * cfgrtl.c (rtl_create_basic_block): Likewise.
13194         * function.c (temp_slots_at_level): Likewise.
13195         * reg-stack.c (stack_regs_mentioned): Likewise.
13196         * regclass.c (allocate_reg_info): Likewise.
13197         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13198         set_bb_for_stmt, move_block_to_fn): Likewise.
13199         * tree-complex.c (tree_lower_complex): Likewise.
13200         * vec.h (VEC_safe_grow_cleared): New.
13201
13202 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
13203
13204         * c-common.c (c_common_nodes_and_builtins): Since variants of
13205         void_type_node get built before it is given a name, we need to
13206         give those variants the name, too.
13207         (complete_array_type): We need to work with the canonical main
13208         type of the array, from which we will build the qualified version.
13209         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
13210         * print-tree.c (print_node): Display canonical type information
13211         for each type.
13212         * stor-layout.c (layout_type): When we don't know the
13213         alignment of a type for which we're building an array, we end up
13214         guessing wrong, so make the type require structural equality.
13215         * tree.c (make_node_stat): When we build a new type, it is its
13216         own canonical type.
13217         (build_type_attribute_qual_variant): When building an attribute
13218         variant, its canonical type is the non-attribute variant. However,
13219         if the attributes are target-dependent and they differ, we need to
13220         use structural equality checks for this type.
13221         (build_qualified_type): A qualified type is not equivalent to its
13222         unqualified variant; set the canonical type appropriately.
13223         (build_distinct_type_copy): When building a distinct type from
13224         another type, the new type is its own canonical type.
13225         (build_variant_type_copy): When building a new type variant, we
13226         assume that it is equivalent to the original type.
13227         (build_pointer_type_for_mode): When building a pointer type, also
13228         build a canonical type pointer.
13229         (build_reference_type_for_mode): When building a reference type,
13230         also build a canonical type reference.
13231         (build_index_type): When we can't hash an index type (e.g.,
13232         because its maximum value is negative), the index type requires
13233         structural equality tests.
13234         (build_array_type): Build the canonical form of an array type.
13235         (build_function_type): Function types require structural equality,
13236         because they contain default arguments, attributes, etc.
13237         (build_method_type_directly): Ditto for method types.
13238         (build_offset_type): Build the canonical offset type.
13239         (build_complex_type): Build the canonical vector type.
13240         (make_vector_type): Build the canonical vector type.
13241         * tree.h (TYPE_CANONICAL): New.
13242         (TYPE_STRUCTURAL_EQUALITY_P): New.
13243         (SET_TYPE_STRUCTURAL_EQUALITY): New.
13244         (struct tree_type): Added "canonical" field.
13245         * params.h (VERIFY_CANONICAL_TYPES): New.
13246         * doc/c-tree.texi (TYPE_CANONICAL): Document.
13247         (TYPE_STRUCTURAL_EQUALITY_P): Document.
13248         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13249         * doc/invoke.texi (verify-canonical-types): Document --param
13250         parameter for verifying canonical types.
13251
13252 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13253
13254         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13255         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13256         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13257         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13258         tm_file.
13259         * config/rs6000/e500.h: New.
13260         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13261         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13262         Remove.
13263         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13264         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13265         TARGET_E500_DOUBLE): Remove.
13266         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13267         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13268         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13269         * config/rs6000/rs6000.c (rs6000_override_options): Use
13270         CHECK_E500_OPTIONS.
13271
13272 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13273
13274         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13275         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13276         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13277         rs6000_emit_cmove): Don't check TARGET_E500.
13278         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13279         sordered): Don't check TARGET_E500.
13280
13281 2007-01-01  Eric Christopher  <echristo@apple.com>
13282
13283         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13284         HARD_REGISTER_NUM_P.
13285
13286 2007-01-01  Roger Sayle  <roger@eyesopen.com>
13287
13288         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13289         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13290         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13291         eq/ne Y".
13292
13293 2007-01-01  Mike Stump  <mrs@apple.com>
13294
13295         * configure.ac: Remove support for building with Apple's gcc-3.1.
13296
13297 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13298
13299         PR middle-end/30311
13300         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13301         REG is a hard register.  Do not modify REG before calling
13302         subreg_nregs.
13303         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13304         multiple of the size of YMODE for certain lowpart cases.
13305
13306 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13307
13308         PR middle-end/30253
13309         * gimplify (voidify_wrapper_expr): Update for
13310         GIMPLE_MODIFY_STMT.
13311
13312 2007-01-01  Andreas Schwab  <schwab@suse.de>
13313
13314         PR target/29166
13315         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13316         save of BR0 in extra_spill_size instead of spill_size.
13317         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13318         area.
13319         (ia64_expand_epilogue): Restore BR0 from its new location.
13320
13321 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13322
13323         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13324         Use a temporary variable if the left hand side is not a gimple
13325         register.
13326
13327 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13328
13329         * gimplify.c (gimplify_return_expr): Make the temporary variable
13330         for the return expression, a gimple register variable.
13331
13332 2007-01-01  Jan Hubicka  <jh@suse.cz>
13333
13334         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13335         INSN_LIST.
13336
13337 2007-01-01  Mike Stump  <mrs@apple.com>
13338
13339         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13340         .literal16.
13341         * config/darwin.c (machopic_select_rtx_section): Use
13342         HAVE_GAS_LITERAL16.
13343         (darwin_mergeable_constant_section): Likewise.
13344         * configure: Regenerate.
13345         * config.in: Regenerate.
13346
13347 2007-01-01  Jan Hubicka  <jh@suse.cz>
13348             Andrew Pinski  <pinskia@gmail.com>
13349
13350         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13351         before starting IPA passes.