gcc/ChangeLog

   1 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
   4         calls as pure.
   5
   6 2007-05-16  Eric Christopher  <echristo@apple.com>
   7
   8         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
   9         saving after stack push. Set sp_offset whenever we push.
  10         (rs6000_emit_epilogue): Move altivec register restore before stack push.
  11
  12 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
  13
  14         * configure.ac: Allow sysroots to be relocated under $prefix as
  15         well as $exec_prefix.
  16         * configure: Regenerate.
  17
  18 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
  19
  20         Revert:
  21
  22         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
  23
  24         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
  25         (gcc_tooldir): Likewise.
  26         * configure: Regenerate.
  27         * Makefile.in (libsubdir_to_prefix): New variable, based on the
  28         old configure.ac gcc_tooldir setting.
  29         (prefix_to_exec_prefix): New variable.
  30         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
  31         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
  32
  33 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
  34
  35         * c-typeck.c (build_binary_op): Return early for error.
  36
  37 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
  38
  39         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
  40         struct nb_iter_bound.
  41         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
  42         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
  43         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
  44         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
  45         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
  46         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
  47         (del_scev_info): Use ggc_free.
  48         (scev_initialize): Allocate scalar_evolution_info in gc memory.
  49         * loop-init.c: Include ggc.h.
  50         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
  51         (loop_optimizer_finalize): Use ggc_free.
  52         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
  53         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
  54         pass_iv_optimize): Add TODO_ggc_collect.
  55         * function.h (struct function): Remove skip marker from x_current_loops.
  56         * cfgloop.c: Include ggc.h.
  57         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
  58         memory.
  59         (establish_preds): Vector superloops is gc allocated.
  60         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
  61         loop->exits list.
  62         (flow_loops_find): Vector larray is gc allocated.
  63         (loop_exit_free): Use ggc_free.
  64         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
  65         that head of exits list is now not a part of struct loop.
  66         (record_loop_exits): Allocate exits table in gc memory.
  67         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
  68         head of exits list is now not a part of struct loop.
  69         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
  70         struct loop_exit): Add GTY marker.
  71         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
  72         Add skip marker to aux field.  Make head of exits list a separate
  73         object.
  74         (struct loops): Add GTY marker.  Make larray vector gc allocated.
  75         Add param marker to exits table.
  76         (get_loops): Type changed.
  77         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
  78         dependency.
  79         (cfgloop.o, loop-init.o): Add ggc.h dependency.
  80         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
  81         * basic-block.h (struct basic_block_def): Remove skip marker from
  82         loop_father field.
  83
  84 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
  85
  86         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
  87         of 0 in the call to expand_expr().
  88         (expand_builtin_mathfn_3): Ditto.
  89         (expand_builtin_interclass_mathfn): Ditto.
  90         (expand_builtin_cexpi): Ditto.
  91         (expand_builtin_int_roundingfn): Ditto.
  92         (expand_builtin_int_roundingfn_2): Ditto.
  93         (expand_builtin_pow): Ditto.
  94         (expand_builtin_powi): Ditto.
  95         (expand_builtin_bswap): Ditto.
  96         (expand_builtin_unop): Ditto.
  97         (expand_builtin_fabs): Ditto.
  98         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
  99         the call to expand_expr().
 100         (expand_builtin_sync_operation): Ditto.
 101         (expand_builtin_compare_and_swap): Ditto.
 102         (expand_builtin_lock_test_and_set): Ditto.
 103         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
 104         instead of 0 in the call to expand_expr().
 105         (expand_builtin_extract_return_addr): Ditto.
 106         (expand_builtin_eh_return): Ditto.
 107         (expand_eh_return): Ditto.
 108         * explow.c (expr_size): Ditto.
 109         * expr.c (optimize_bitfield_assignment_op): Ditto.
 110         (expand_assignement): Ditto.
 111         (store_expr): Ditto.
 112         (store_field): Ditto.
 113         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
 114         the call to expand_expr().
 115         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
 116         in the call to expand_expr().
 117         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
 118         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
 119         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
 120         of expand_expr().
 121         * optabs.c (expand_vec_shift_expr): Ditto.
 122         (expand_vec_cond_expr): Ditto.
 123         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
 124         call to expand_expr().
 125         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
 126         in the call to expand_expr().
 127
 128 2007-05-14  Dave Korn  <dave.korn@artimi.com>
 129
 130         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
 131
 132 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
 133
 134         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
 135         instead of c_common_unsigned_type.
 136         (c_common_unsigned_type): Remove.
 137         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
 138         c_common_unsigned_type.
 139         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
 140         c_common_unsigned_type.
 141         * c-common.h (c_common_unsigned_type): Remove.
 142         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
 143         c_common_unsigned_type.
 144         * c-format.c (check_format_types): Use unsigned_type_for instead of
 145         c_common_unsigned_type.
 146         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 147         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
 148         c_common_unsigned_type.
 149         * convert.c (convert_to_integer): Use unsigned_type_for instead of
 150         lang_hooks.types.unsigned_type.
 151         * expmed.c (make_tree): Use unsigned_type_for instead of
 152         lang_hooks.types.unsigned_type.
 153         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
 154         lang_hooks.types.unsigned_type.
 155         (build_range_check): Likewise.
 156         (fold_unary): Likewise.
 157         (fold_binary): Likewise.
 158         (fold_ternary): Likewise.
 159         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 160         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
 161         * tree.c (get_unsigned_type): New.
 162         (unsigned_type_for): Use get_unsigned_type instead of
 163         lang_hooks.types.unsigned_type.
 164
 165 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
 166
 167         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
 168         to m68k_get_function_kind.  Update its prototype.
 169         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
 170         interrupt_thread.
 171         (m68k_interrupt_function_p): Return enum m68k_function_type
 172         instead of bool.  Rename to m68k_get_function_kind.
 173         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
 174         target is not fido.
 175         (m68k_compute_frame_layout): Don't mark any register for save
 176         if an interrupt_thread attribute is specified.
 177         (m68k_hard_regno_rename_ok): Update a use of
 178         m68k_interrupt_function_p.
 179         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
 180         m68k_interrupt_function_p.
 181         (m68k_function_type): New.
 182         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
 183         for a function with an interrupt_thread attribute.
 184         * doc/extend.texi: Document the interrupt_thread attribute.
 185
 186 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
 187
 188         Fix PR tree-optimization/31911
 189         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
 190         if they didn't change the expression.
 191
 192 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
 193
 194         * tree-scalar-evolution.c (resolve_mixers): Exported.
 195         * tree-scalar-evolution.h (resolve_mixers): Declare.
 196         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
 197         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
 198         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
 199         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
 200         init_array_ref, init_pointer_ref, analyze_indirect_ref,
 201         strip_conversion, analyze_offset_expr, address_analysis,
 202         object_analysis, analyze_offset): Removed.
 203         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
 204         split_constant_offset, canonicalize_base_object_address,
 205         object_address_invariant_in_loop_p, disjoint_objects_p,
 206         dr_may_alias_p, dr_address_invariant_p): New functions.
 207         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
 208         and dr_analyze_alias.
 209         (initialize_data_dependence_relation): Use dr_may_alias_p
 210         and object_address_invariant_in_loop_p.
 211         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
 212         is chrec_dont_know.
 213         (find_data_references_in_stmt): Restrict the analysis of data references
 214         to the given loop nest.
 215         (find_data_references_in_loop): Made static.  Pass loop nest to
 216         find_data_references_in_stmt.
 217         (compute_data_dependences_for_loop): Use DR_VOPS.
 218         (free_data_ref): Free DR_VOPS.
 219         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
 220         (struct innermost_loop_behavior): ... new.
 221         (struct base_object_info): Replaced by ...
 222         (struct indices): ... new.
 223         (struct dr_alias): New.
 224         (enum data_ref_type): Removed.
 225         (struct data_reference): Consist of struct innermost_loop_behavior,
 226         struct indices and struct dr_alias.
 227         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
 228         (DR_MEMTAG): Renamed to ...
 229         (DR_SYMBOL_TAG): ... this.
 230         (find_data_references_in_loop): Declaration removed.
 231         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
 232         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
 233         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
 234         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
 235
 236 2007-05-13  Revital Eres  <eres@il.ibm.com>
 237
 238         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
 239         which walks virtual def-use chains to find redundant stores.
 240         (dse_optimize_stmt): Call it.
 241
 242 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 243
 244         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
 245         * passes.c (init_optimization_passes): Move pass_jump_bypass
 246         after loop2.
 247
 248         * basic-block.h (bb_has_eh_pred): Fix style issue.
 249
 250 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 251
 252         PR rtl-optimization/31848
 253         * loop-invariant.c (move_invariant_reg): If we move an insn
 254         with a REG_EQUAL note, and that insn is not always executed,
 255         remove the REG_EQUAL note.
 256
 257 2007-05-12  Richard Guenther  <rguenther@suse.de>
 258
 259         PR tree-optimization/31797
 260         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
 261         propagate into a stmt that has volatile ops.
 262
 263 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
 264
 265         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
 266         (gcc_tooldir): Likewise.
 267         * configure: Regenerate.
 268         * Makefile.in (libsubdir_to_prefix): New variable, based on the
 269         old configure.ac gcc_tooldir setting.
 270         (prefix_to_exec_prefix): New variable.
 271         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
 272         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
 273
 274 2007-05-11  Silvius Rus  <rus@google.com>
 275
 276         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
 277         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
 278         * c-common.h (strict_aliasing_warning): Change return type.
 279         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
 280         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
 281         (build_c_cast): Condition call to strict_aliasing_warning.
 282         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
 283         * flags.h (set_Wstrict_aliasing): Declare.
 284         * opts.c (set_Wstrict_alising): Define, add call to.
 285         * tree-flow.h (strict_aliasing_warning_backend): Declare.
 286         * tree-ssa-alias-warnings.c: New file.
 287         * tree-ssa-alias.c (compute_may_aliases): Add call to
 288         strict_aliasing_warning_backend.
 289
 290 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
 291
 292         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
 293         Use loop_depth and loop_outer accessor functions.
 294         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
 295         determine_invariantness_stmt, move_computations_stmt): Ditto.
 296         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
 297         add_loop, loopify, unloop, fix_loop_structure): Ditto.
 298         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
 299         * tree-scalar-evolution.c (interpret_loop_phi,
 300         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
 301         instantiate_parameters_1, scev_const_prop): Ditto.
 302         * cfghooks.c (make_forwarder_block): Ditto.
 303         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
 304         * modulo-sched.c (loop_canon_p): Ditto.
 305         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
 306         slpeel_can_duplicate_loop_p): Ditto.
 307         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
 308         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
 309         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
 310         cancel_loop, verify_loop_structure): Ditto.
 311         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
 312         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
 313         superloops vector instead of "pred" array.
 314         (establish_preds): Take father loop as an argument.  Initialize the
 315         superloops vector.
 316         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
 317         initialize loop->outer.
 318         (flow_loop_tree_node_remove): Truncate the superloops vector.
 319         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
 320         "pred" merged to "superloops" vector.
 321         (loop_depth, loop_outer): New.
 322         (fel_init): Use loop_outer.
 323
 324 2007-05-11  Jan Hubicka  <jh@suse.cz>
 325
 326         * cgraphunit.c: Include gt-cgraphunit.h
 327         (static_ctors, static_dtors): New static vars.
 328         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
 329         based on implementation in c-common.c
 330         (cgraph_finalize_function): Call record_cdtor_fn.
 331         (cgraph_optimize): Call cgraph_build_cdtor_fns.
 332         * decl.c (finish_function): Do not call c_record_cdtor_fn.
 333         (c_write_global_declarations): Do not call c_build_cdtor_fns.
 334         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
 335         build_cdtor, c_build_cdtor_fns): Remove.
 336         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
 337         c_build_cdtor_fns): Remove prototype.
 338
 339 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
 340
 341         PR other/31852
 342         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
 343         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
 344         * builtins.c (fold_builtin_memchr): New.
 345         (expand_builtin_memchr): Call the latter.
 346         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
 347         * doc/extend.texi ([Other built-in functions provided by GCC]):
 348         Document memchr.
 349
 350 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
 351
 352         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
 353         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
 354         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
 355         PFPO_OP1_TYPE_SHIFT): Constants added.
 356         (DFP_ALL): Mode macro defined.
 357         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
 358         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
 359         Insn definitions added.
 360         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
 361         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
 362         Expanders added.
 363
 364 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
 365
 366         PR tree-optimization/31885
 367         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
 368         to be undetermined.
 369         (automatically_generated_chrec_p): Return false for NULL.
 370
 371 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 372
 373         * config/bfin/bfin.h (MOVE_RATIO): Define.
 374
 375 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
 376
 377         * config.gcc (sparc-wrs-vxworks): New target.
 378         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
 379         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
 380         * config/sparc/sparc.h: Include vxworks-dummy.h.
 381         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
 382         include LABEL_REFs too.
 383         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
 384         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
 385         VxWorks.
 386         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
 387         on VxWorks.
 388         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
 389         (sparc_emit_call_insn): New function.
 390         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
 391         functions when generating VxWorks PIC.
 392         * config/sparc/sparc.md (vxworks_load_got): New pattern.
 393         (call, call_value): Use sparc_emit_call_insn instead of
 394         emit_call_insn.
 395
 396 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 397
 398         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
 399
 400 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 401
 402         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
 403         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
 404         instead of operand_subword.
 405
 406 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 407
 408         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
 409         * config/bfin/bfin.c (bfin_local_alignment): New function.
 410         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
 411
 412 2007-05-08  Chao-ying Fu  <fu@mips.com>
 413
 414         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
 415         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
 416         (smsub_widen_optab, umsub_widen_optab): Define.
 417         * optabs.c (init_optabs): Initialize smsub_widen_optab and
 418         umsub_widen_optab.
 419         * genopinit.c (optabs): Fill in smsub_widen_optab and
 420         umsub_widen_optab.
 421         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
 422         and umsub_widen_optab to implement multiply-subtract sequences.
 423         * config/mips/mips.md (*msac<u>_di): Rename to...
 424         (<u>msubsidi4): ...this.  Extend condition to include
 425         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 426         of operand 0 to "ka" and use the three-operand form of msub<u>
 427         for TARGET_DSPR2.
 428         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
 429         to define_expands.
 430
 431 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 432
 433         PR rtl-optimization/28011
 434         * reload.c (push_reload): Set dont_share if IN appears in OUT
 435         also when IN is a PLUS rtx.
 436         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 437         are same PLUS rtx.
 438
 439 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
 440
 441         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
 442         call unshare_all_decls.
 443         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
 444         (unshare_all_decls): Remove.
 445
 446 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
 447
 448         PR 31847
 449         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
 450         dumps.
 451
 452 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 453             Nigel Stephens  <nigel@mips.com>
 454
 455         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
 456         Update comments and all uses.
 457         (MIN_FPRS_PER_FMT): Define.
 458         * config/mips/mips.c (function_arg): Fix to correctly handle
 459         the -mips32r2 -mfp64 -mabi=32 case.
 460         (override_options): Enable use of odd-numbered registers for
 461         SFmode values on MIPS32.
 462         (mips_save_reg_p): Save whole floating-point register pair if
 463         either half is used.
 464         (compute_frame_size): Fix comment.
 465
 466 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
 467
 468         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
 469         argument of type bool.
 470         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
 471         argument. Safely select temporary P register according to it.
 472         (do_link): Change call site of add_to_reg accordingly.
 473         (do_unlink): Add epilogue_p as a fourth argument and pass it
 474         to add_to_reg.
 475         (expand_interrupt_handler_epilogue): Change call of do_unlink
 476         accordingly.
 477         (bfin_expand_prologue): Add a third argument sibcall_p.
 478         * config/bfin/bfin.md (epilogue): Change call of
 479         bfin_expand_epilogue accordingly.
 480         (sibcall_epilogue): Likewise.
 481         (eh_return_internal): Likewise.
 482
 483         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
 484         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
 485         * config/bfin/bfin.c (bfin_handle_option): Handle
 486         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
 487         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
 488         Support bf534, bf536 and bf561.
 489         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
 490
 491 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
 492
 493         PR target/31854
 494         * config/i386/i386.c (ix86_function_regparm): Process local
 495         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
 496
 497 2007-05-07  Mike Stump  <mrs@apple.com>
 498
 499         * doc/invoke.texi (Warning Options): Document that -Wempty-body
 500         also checks for and while statements in C++.
 501
 502 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
 503
 504         * gcc.c (at_file_supplied): New variable.
 505         (main): Set it if we expanded argv.
 506         (do_spec_1): Pass an @-file to the linker if we were called with
 507         an @-file argument and HAVE_GNU_LD.
 508         * collect2.c (at_file_supplied): New variable.
 509         (response_file): New variable.
 510         (collect_exit): Unlink response_file if necessary.
 511         (handler): Likewise.
 512         (do_wait): Likewise.
 513         (main): Set at_file_supplied if we expanded argv.
 514         (collect_execute): Pass an @-file to subprocesses if we were called
 515         with an @-file argument.
 516         * configure.ac: Add define for HAVE_GNU_LD.
 517         * configure: Regenerate.
 518         * config.in: Regenerate.
 519
 520 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
 521
 522         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
 523         operand to HI mode.
 524         (mulsi3): New.
 525         (divsi3): New.
 526         (udivsi3): New.
 527
 528 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
 529
 530         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 531         (TARGET_ENCODE_SECTION_INFO): Re-define.
 532         (m32c_encode_section_info): New
 533         (function_vector_handler): New
 534         (current_function_special_page_vector): New
 535         (m32c_special_page_vector_p): New.
 536         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
 537         Prototype.
 538         * config/m32c/jump.md: Added instruction JSRS for functions
 539         with attribute "function_vector".
 540         * doc/extend.texi (function_vector): Added description
 541         for M16C, M32C targets.
 542
 543 2007-05-07  DJ Delorie  <dj@redhat.com>
 544
 545         PR 31794
 546         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
 547         ashrpsi3, lshrpsi3): Update shift count constraint.
 548
 549 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
 550             Nathan Froyd  <froydnj@codesourcery.com>
 551
 552         PR 22133
 553         * c-incpath.c (add_path): Strip trailing path separators.
 554
 555 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 556
 557         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
 558         Free dominance info before purging EH edges.
 559         (eliminate_degenerate_phis): Likewise.
 560         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
 561
 562 2007-05-07  Jan Hubicka  <jh@suse.cz>
 563
 564         * gimplify.c (gimplify_expr): Do not crash when folding
 565         (void *)(int)&a + 4.
 566
 567 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 568
 569         PR driver/31694
 570         * c-opts.c (lang_fortran): Make it non static.
 571         * c-common.h (lang_fortran): New prototype.
 572         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
 573         -lang-fortran option was passed by the driver.
 574
 575 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
 576
 577         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
 578         of ASSERT_CHECKING.  Tweak message.
 579
 580 2007-05-06  Revital Eres  <eres@il.ibm.com>
 581
 582         PR 30957
 583         * loop-unroll.c (insert_var_expansion_initialization):
 584         Initialize the expansions with -zero instead of +zero.
 585
 586 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 587
 588         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 589         into pic and non-pic versions. Mark r19 as used for
 590         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 591         for tgd_load, tld_load and tie_load .
 592         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 593         version of tgd_load, tld_load and tie_load depending on the
 594         value of flag_pic.
 595
 596 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
 597             Jakub Jelinek  <jakub@redhat.com>
 598
 599         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
 600         (__do_global_dtors_aux): Use more paranoid loop to run
 601         destructors if HIDDEN_DTOR_LIST_END.
 602         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
 603
 604 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
 605
 606         * varasm.c (align_variable): Don't increase alignment for
 607         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
 608         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
 609
 610 2007-05-04  Josh Conner  <jconner@apple.com>
 611
 612         * basic-block.h (cdi_direction): Assign values to all enumeration
 613         constants.
 614         (dom_computed): Remove.
 615         (dom_info_state): New.
 616         (set_dom_info_availability): New.
 617         * tree-ssa-loop-im.c (determine_invariantness): Initialize
 618         walk_data.dom_direction.
 619         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
 620         instead of dom_computed[].
 621         (split_edge): Likewise.
 622         (create_basic_block): Likewise.
 623         (merge_blocks): Likewise.
 624         * ifcvt.c (find_if_header): Likewise.
 625         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
 626         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 627         * tree-ssa.c (verify_ssa): Likewise.
 628         * tree-cfg.c (tree_verify_flow_info): Likewise.
 629         (remove_edge_and_dominated_blocks): Likewise.
 630         * dominance.c (dom_computed): Make static.
 631         (calc_dfs_tree_nonrec): Change third param to a bool.
 632         (calc_dfs_tree): Change second param to a bool.
 633         (calc_idioms): Change second param to a bool.  Use
 634         dom_convert_dir_to_idx.
 635         (init_dom_info): Validate dir before using.
 636         (dom_convert_dir_to_idx): New.
 637         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
 638         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
 639         (free_dominance_info): Use dom_convert_dir_to_idx.
 640         (get_immediate_dominator): Likewise.
 641         (set_immediate_dominator): Likewise.
 642         (get_dominated_by): Likewise.
 643         (redirect_immediate_dominators): Likewise.
 644         (nearest_common_denominator): Likewise.
 645         (dominated_by_p): Likewise.
 646         (bb_dom_dfs_in): Likewise.
 647         (bb_dom_dfs_out): Likewise.
 648         (recount_dominator): Likewise.
 649         (iterate_fix_dominators): Likewise.
 650         (add_to_dominance_info): Likewise.
 651         (delete_from_dominance_info): Likewise.
 652         (first_dom_son): Likewise.
 653         (next_dom_son): Likewise.
 654         (dom_info_available_p): Likewise.
 655         (dom_info_state): New.
 656         (set_dom_info_availability): New.
 657
 658 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 659
 660         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
 661         Expander removed.
 662         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
 663
 664 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
 665
 666         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
 667         (subdi3, subdi_carry): Delete.
 668
 669 2007-05-04  Jan Hubicka  <jh@suse.cz>
 670             Richard Guenther  <rguenther@suse.de>
 671
 672         * opts.c (decode_options): Do not fiddle with inlining
 673         parameters in case of optimizing for size.
 674         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
 675         for size do nothing.
 676         (cgraph_decide_inlining_of_small_function): When optimizing for
 677         size never inline functions increasing caller size.
 678         (cgraph_early_inlining): Inline for size when optimizing for size.
 679
 680 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 681
 682         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
 683         logical operations piecewise.
 684         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
 685         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
 686         subdi_sesidi_di): Delete.
 687         (add_with_carry): Produce carry in CC instead of a DREG to shorten
 688         the generated sequence.  Allow three-reg add in constraints.  Rewrite
 689         the rtl expression for carry to avoid zero_extend of a constant.
 690         (sub_with_carry): New pattern.
 691         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
 692         different sequence not involving jumps.
 693         (notbi): Now a named pattern.
 694
 695 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
 696
 697         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
 698         Add the note about a significant loss of accuracy of some
 699         mathematical routines when these options are used.
 700
 701 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 702
 703         * haifa-sched.c (rtx_vec_t): New typedef.
 704         (contributes_to_priority_p): Extract piece of priority () into new
 705         static function.
 706         (priority): Use the function.  Add assertion.
 707         (rank_for_schedule, set_priorities): Add assertion to check that
 708         insn's priority is initialized.
 709         (clear_priorities, calc_priorities): Change signature.  Make it update
 710         all relevant insns.  Update all callers ('add_to_speculative_block ()'
 711         and 'create_block_check_twin ()').
 712         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
 713         Add new field 'priority_status'.
 714         (INSN_PRIORITY_STATUS): New macro.
 715         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
 716
 717 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 718
 719         * sched-ebb.c (debug_ebb_dependencies): New static function.
 720         (init_ready_list): Use it.
 721
 722         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
 723         with changed signature and 'debug_rgn_dependencies ()'.
 724         (debug_rgn_dependencies): New static function.
 725         (init_ready_list): Use it.
 726
 727         * sched-int.h (debug_dependencies): Declare.
 728
 729 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 730
 731         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
 732
 733 2007-05-04  Dirk Mueller  <dmueller@suse.de>
 734
 735         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
 736
 737 2007-05-03  Jan Hubicka  <jh@suse.cz>
 738
 739         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
 740         for pointer type in more cases than before.
 741
 742         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
 743
 744         * tree-object-size.c (plus_expr_object_size): When operand size is
 745         unknown, return unknown.
 746
 747 2007-05-03  Dirk Mueller  <dmueller@suse.de>
 748
 749         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
 750
 751         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
 752         options.
 753
 754         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
 755
 756 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
 757
 758         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
 759
 760 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
 761
 762         * config/soft-fp/double.h, config/soft-fp/extended.h,
 763         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 764         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 765         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 766         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 767         glibc CVS.
 768
 769 2007-05-03  Ian Lance Taylor  <iant@google.com>
 770
 771         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 772         MASK_PPC_GFXOPT for 8540 or 8548.
 773
 774 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 775
 776         * tree-vect-transform.c (vect_update_inits_of_drs): Use
 777         vect_print_dump_info() to output debug information.
 778
 779 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 780
 781         PR target/31768
 782         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
 783         operands of size 2 when operand is not MEM_P.
 784
 785 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 786
 787         PR tree-optimization/30565
 788         * lambda-code.c (perfect_nestify): Fix updating of dominators.
 789
 790 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 791
 792         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
 793         (umulsi3_highpart): Use them.
 794         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
 795         for final accumulator to D regisster tranfser.
 796
 797 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
 798
 799         PR tree-optimization/31699
 800         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
 801         code.
 802         (vect_enhance_data_refs_alignment): Compute peel amount using
 803         TYPE_VECTOR_SUBPARTS instead of vf.
 804         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
 805
 806 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
 807
 808         PR bootstrap/31776
 809         * system.h: Remove inclusion of double-int.h
 810         * tree.h: Include double-int.h
 811         * gengtype.c: Likewise
 812         * cfgloop.h: Likewise
 813         * Makefile.in: Adjust dependencies on double-int.h
 814
 815 2007-05-02  Eric Christopher  <echristo@apple.com>
 816
 817         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
 818         -shared to -Zdynamiclib.
 819
 820 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
 821
 822         PR c++/31663
 823         * c-common.c (strip_pointer_or_array_types): New function.
 824         * c-common.h (strip_pointer_or_array_types): New function declaration.
 825
 826 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 827
 828         PR tree-optimization/31771
 829         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
 830
 831 2007-05-02  Paul Brook  <paul@codesourcery.com>
 832
 833         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
 834
 835 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 836
 837         PR middle-end/29715
 838         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
 839         transformation.
 840
 841 2007-05-02  Nick Clifton  <nickc@redhat.com>
 842
 843         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
 844
 845 2007-05-02  Richard Guenther  <rguenther@suse.de>
 846
 847         PR tree-optimization/31146
 848         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 849         argument, single_use_p.  If we have a single use that is
 850         a conversion to the definition rhs type, propagate that rhs.
 851         (forward_propagate_addr_expr): Pass single_use_p argument
 852         to forward_propagate_addr_expr_1.
 853
 854 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
 857         variable.
 858
 859 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 860
 861         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
 862         'AMD Family 10 core'.
 863
 864 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 865
 866         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
 867         and athlon64-sse3 as improved versions of k8, opteron and athlon64
 868         with SSE3 instruction set support.
 869         * doc/invoke.texi: Likewise.
 870
 871 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 872
 873         * config/i386/i386.c (override_options): Tuning 32-byte loop
 874         alignment for amdfam10 architecture. Increasing the max loop
 875         alignment to 24 bytes.
 876
 877 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
 878
 879         * config/m68k/constraints.md: New.
 880         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
 881         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
 882         EXTRA_CONSTRAINT): Remove.
 883         * config/m68k/m68k.md: Include constraints.md.
 884         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 885
 886 2007-05-01  Ian Lance Taylor  <iant@google.com>
 887
 888         PR tree-optimization/31739
 889         * tree-vrp.c (vrp_val_is_max): New static function.
 890         (vrp_val_is_min): New static function.
 891         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 892         copying the node.
 893         (set_value_range): Use vrp_val_is_{max,min}.
 894         (extract_range_from_assert): Likewise.
 895         (extract_range_from_binary_expr): Likewise.
 896         (extract_range_from_unary_expr): Likewise.
 897         (dump_value_range, vrp_meet): Likewise.
 898         (vrp_visit_phi_node): Likewise.
 899         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 900
 901 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 902
 903         * config/i386/gmon-sol2.c (size_t): New type.
 904         (intptr_t): Likewise.
 905         (s_textsize): Declare as size_t.
 906         (sbrk): Declare.
 907         (monstartup): Use size_t for sizes.
 908         (_mcount): Save and restore registers.
 909         (internal_mcount): Pass 0 as the first argument to monstartup
 910         in 64-bit mode.
 911         (moncontrol): Convert pointer to appropriately sized integer
 912         before passing to profil.
 913
 914 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 915
 916         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 917         __NO_FPRS__, not just if _SOFT_DOUBLE.
 918         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 919         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 920         also for E500 double.
 921         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 922         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 923         && !TARGET_FPRS).
 924
 925 2007-05-01  Richard Guenther  <rguenther@suse.de>
 926
 927         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 928         is NULL.
 929
 930 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 931
 932         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 933
 934 2007-05-01  Jan Hubicka  <jh@suse.cz>
 935
 936         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 937         invariant.
 938
 939 2007-05-01  Jan Hubicka  <jh@suse.cz>
 940
 941         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 942         (maybe_fold_offset_to_reference): Declare.
 943         * fold-const.c (fold_unary): Do not fold
 944         (type *)&A into &A->field_of_type_and_offset_0
 945         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 946         size is unknown, give up.
 947         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 948         offsets.
 949         (maybe_fold_offset_to_reference): New.
 950         (maybe_fold_stmt_indirect): Use it.
 951         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 952         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 953         field references.
 954         (gimplify_expr): Likewise for plus_expr.
 955
 956 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 957
 958         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 959         bsi_after_labels.  Always insert statements before bsi.
 960         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 961         * predict.c (apply_return_prediction): Check for empty blocks.
 962         * cfgexpand.c (lab_rtx_for_bb): New variable.
 963         (label_rtx_for_bb): Do not create new tree labels.
 964         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 965         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 966         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 967         creating edges.
 968         (label_for_bb): Add field used.
 969         (update_eh_label, main_block_label): Mark the label used.
 970         (cleanup_dead_labels): Remove unused labels.
 971
 972 2007-05-01  Richard Guenther  <rguenther@suse.de>
 973
 974         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 975         if it is not about to be set.
 976         (get_value_range): Do not pre-allocate equiv bitmap.
 977         (update_value_range): No need to clear equiv field.
 978         (add_equivalence): Change prototype to get bitmap pointer.
 979         Allocate bitmap here if it is not already.
 980         (extract_range_from_assert): Do not allocate bitmap here.
 981         Update callers to add_equivalence.
 982         (extract_range_from_ssa_name): Likewise.
 983         (get_vr_for_comparison): New static helper.
 984         (compare_name_with_value): Handle NULL equiv bitmap by
 985         peeling the first iteration of the comparison loop.
 986         Use get_vr_for_comparison.
 987         (compare_names): Handle NULL equiv bitmaps by using fake
 988         ones.  Use get_vr_for_comparison.
 989
 990 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 991
 992         * double-int.c (mpz_set_double_int): Moved from
 993         tree-ssa-loop-niter.c.
 994         (mpz_get_double_int): Likewise; also, add option to wrap
 995         out-of-range integers.
 996         * double-int.h: New prototypes for above.
 997         * tree.c (get_static_type_bounds): Moved from
 998         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 999         TYPE_MAX_VALUE if they exist..
1000         * tree.h: New prototype for above.
1001         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
1002         get_type_bounds calls.
1003         (mpz_set_double_int): Move to double-int.c.
1004         (get_type_bounds): Move to tree.c, rename to
1005         get_static_type_bounds.
1006         (mpz_to_double_int): Move to double-int.c, rename to
1007         mpz_get_double_int.
1008
1009 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
1010
1011         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
1012         DIV0 exception can fall through to a normal return.
1013
1014 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
1015
1016         PR middle-end/22156
1017         Temporarily revert:
1018         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1019         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1020         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1021         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1022         initialize align to silence bogus warning.
1023         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1024         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1025         all_no_warning.
1026         (struct sra_walk_fns): Remove use_all parameter from use.
1027         (sra_hash_tree): Handle BIT_FIELD_REFs.
1028         (sra_elt_hash): Don't hash bitfld blocks.
1029         (sra_elt_eq): Skip them in parent compares as well.  Handle
1030         BIT_FIELD_REFs.
1031         (sra_walk_expr): Don't maintain or pass down use_all_p.
1032         (scan_use): Remove use_all parameter.
1033         (scalarize_use): Likewise.  Re-expand assignment to
1034         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1035         output, and re-scalarize after output.  Don't mark anything
1036         for no warning.
1037         (scalarize_ldst): Adjust.
1038         (scalarize_walk_gimple_modify_statement): Likewise.
1039         (build_element_name_1): Handle BIT_FIELD_REFs.
1040         (instantiate_element): Don't warn for any element whose parent
1041         is used as a whole.
1042         (instantiate_missing_elements_1): Return the sra_elt.
1043         (canon_type_for_field): New.
1044         (try_instantiate_multiple_fields): New.
1045         (instantiate_missing_elemnts): Use them.
1046         (mark_no_warning): Removed.
1047         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1048         (REPLDUP, sra_build_elt_assignment): New.
1049         (generate_copy_inout): Use them.
1050         (generate_element_copy): Likewise.  Handle bitfld differences.
1051         (generate_element_zero): Don't recurse for blocks.  Use
1052         sra_build_elt_assignment.
1053         (generate_one_element_int): Take elt instead of var.  Use
1054         sra_build_elt_assignment.
1055         (generate_element_init_1): Adjust.
1056         (scalarize_use, scalarize_copy): Use REPLDUP.
1057         (scalarize_ldst): Move assert before dereference.
1058         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1059
1060 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1061
1062         PR C++/31721
1063         * tree.c (reconstruct_complex_type): Reconstruct a reference
1064         correctly.
1065         Also use the same mode for the pointer as the old pointer type.
1066
1067 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1068
1069         * doc/trouble.texi (Interoperation): Remove note about Ultrix
1070         Fortran compiler.
1071
1072 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
1073
1074         PR rtl-optimization/31676
1075         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
1076         (df_refs_record): Call it.
1077
1078 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1079
1080         * rtl.def (SS_ABS): New code.
1081         * config/bfin/bfin.c (print_operand): New modifier 'v'.
1082         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
1083         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
1084         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
1085         (bfin_init_builtins): Define them.
1086         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
1087         (bfin_expand_builtin): ... and handle the others here.
1088         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
1089         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
1090         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
1091         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
1092         operand is only HImode.
1093
1094 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
1095
1096         * regclass.c (scan_one_insn): Remove splitting of
1097         two address insns.
1098
1099 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
1100             Nigel Stephens  <nigel@mips.com>
1101
1102         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
1103
1104 2007-04-28  Jan Hubicka  <jh@suse.cz>
1105
1106         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
1107         insn_locators_alloc instead of insn_locators_initialize;
1108         call reset_block_changes.
1109         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1110         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
1111         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
1112         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1113         * config/score/score.c (th_output_mi_thunk): Likewise.
1114         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1115         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
1116         tolerate uninitialized locator info.
1117
1118         Re-apply:
1119         * function.c (init_function_start): Don't init line number info.
1120         (expand_function_end): Update.
1121         (reset_block_changes, record_block_change, finalize_block_changes,
1122         check_block_change, free_block_changes): Kill.
1123         * function.h (reset_block_changes, record_block_change,
1124         finalize_block_changes, check_block_change, free_block_changes): Remove
1125         prototypes.
1126         (struct function): Remove ib_boundaries_block.
1127         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1128         Use curr_insn_locator to initialize locator.
1129         (emit_line_note): Remove.
1130         * cfgexpand.c (expand_gimple_cond_expr): Update.
1131         (construct_exit_block): Likewise.
1132         (tree_expand_cfg): Initialize/finalize locators.
1133         * expr.c (expand_expr_real): Update.
1134         * cfglayout.c (line_locators_locs, line_locators_lines,
1135         file_locators_locs, file_locators_files): Remove.
1136         (set_block_levels): Move to cfgexpand.c.
1137         (insn_locators_initialize): Remove.
1138         (pass_insn_locators_initialize): Remove.
1139         (locations_locators_locs, locations_locators_vals): New static vars.
1140         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1141         Likewise.
1142         (insn_locators_alloc, insn_locators_finalize,
1143         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1144         New functions.
1145         (locator_location): New.
1146         (locator_line, locator_file): Rewrite.
1147         * rtl.h (emit_line_note): Kill.
1148         (insn_locators_alloc, insn_locators_finalize,
1149         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1150         Declare.
1151         * tree-inline.c (initialize_cfun): Do not initialize
1152         ib_boundaries_block.
1153         * passes.c (pass_insn_locators_initialize): Remove.
1154
1155 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
1156
1157         * tree-cfg.c (move_block_to_fn): Release bb from dominance
1158         info.  Update last_basic_block correctly.
1159
1160 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1161
1162         PR target/31701
1163         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
1164         register itself to hold the offset constant.  Tell flow the use
1165         of r4 and r5 when they are used.
1166
1167 2007-04-27  Richard Guenther  <rguenther@suse.de>
1168
1169         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
1170         if we simplified anything.
1171         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
1172         warnings until we did a simplification and the stmt was not
1173         marked as TREE_NO_WARNING.
1174
1175 2007-04-27  Mike Stump  <mrs@apple.com>
1176
1177         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
1178
1179 2007-04-27  Ian Lance Taylor  <iant@google.com>
1180
1181         PR middle-end/31710
1182         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
1183         TYPE_MAX_VALUE exist, convert them to the new type.
1184
1185 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1186
1187         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
1188         if it claims to be available.
1189         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1190         edge is redirected.
1191         (perform_tree_ssa_dce): Always free postdominators.
1192
1193 2007-04-27  Richard Henderson  <rth@redhat.com>
1194
1195         * config/alpha/predicates.md (aligned_memory_operand): Mark
1196         as define_special_predicate.
1197         (unaligned_memory_operand, normal_memory_operand): Likewise.
1198         (reg_or_unaligned_mem_operand): Remove.
1199         (any_memory_operand): Match the documentation and check for
1200         non-renumbered pseudos during reload.
1201         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1202         alpha_secondary_reload_class, update to new interface, make static.
1203         Handle CQImode like HImode.  Remove FP subreg check.
1204         (alpha_expand_mov): Use replace_equiv_address.
1205         (alpha_expand_mov_nobwx): Use any_memory_operand.
1206         (TARGET_SECONDARY_RELOAD): New.
1207         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1208         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1209         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1210         * config/alpha/alpha.md: ... here.
1211         (RELOAD12, reloadmode): New.
1212         (movcqi): New.
1213         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1214         Don't handle the aligned case here.
1215         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1216         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1217         reload_inhi_help.  Don't expect a scratch register.
1218         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1219         reload_outhi_help.
1220         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1221
1222 2007-04-27  Richard Guenther  <rguenther@suse.de>
1223
1224         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1225
1226 2007-04-27  Richard Guenther  <rguenther@suse.de>
1227
1228         PR tree-optimization/30965
1229         PR tree-optimization/30978
1230         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1231         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1232         (find_equivalent_equality_comparison): Likewise.
1233         (simplify_cond): Likewise.
1234         (get_prop_source_stmt): New helper.
1235         (get_prop_dest_stmt): Likewise.
1236         (can_propagate_from): Likewise.
1237         (remove_prop_source_from_use): Likewise.
1238         (combine_cond_expr_cond): Likewise.
1239         (forward_propagate_comparison): New function.
1240         (forward_propagate_into_cond): Rewrite to use fold for
1241         tree combining.
1242         (tree_ssa_forward_propagate_single_use_vars): Call
1243         forward_propagate_comparison to propagate comparisons.
1244
1245 2007-04-27  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/31715
1248         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1249         sure to do computation on the offset in an appropriate
1250         signed type.
1251
1252 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
1253
1254         * reload.h (elimination_target_reg_p): Declare.
1255         * reload.c (find_reloads): Don't apply the reg_rtx move
1256         optimization if the SET_DEST satisfies elimination_target_reg_p.
1257         * reload1.c (elimination_target_reg_p): New function.
1258         (gen_reload): In the move/add2 fallback, make sure that op0
1259         does not overlap the destination register.
1260
1261 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1262
1263         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1264         transform only GIMPLE_MODIFY_STMTs.
1265         * tree-complex.c (expand_complex_operations_1): Ditto.
1266         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1267         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1268         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1269         branches.
1270         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1271         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1272         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1273         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1274         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1275         slpeel_add_loop_guard): Ditto.
1276         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1277         * lambda-code.c (perfect_nestify): Ditto.
1278         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1279         before the first statement.
1280         * tree-optimize.c (execute_free_datastructures): Fix comments.
1281         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1282         * tree-flow.h (disband_implicit_edges): Declaration removed.
1283         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1284         branches.
1285         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1286         without gotos.
1287         (disband_implicit_edges, has_label_p): Removed.
1288         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1289         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1290         branches.
1291         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1292         side effects.
1293         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1294         also for COND_EXPRs.
1295         * cfgexpand.c (label_rtx_for_bb): New function.
1296         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1297         Use label_rtx_for_bb to find the labels.
1298         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1299         last block.  Detect fallthru edges.
1300
1301 2007-04-26  Ian Lance Taylor  <iant@google.com>
1302
1303         PR target/28675
1304         * reload.c (find_reloads_subreg_address): If the address was valid
1305         in the original mode but not in the new mode, reload the whole
1306         address.
1307
1308 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1309
1310         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1311         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1312         (cleanup_control_expr_graph): Do not invalidate dominance info.
1313         Record altered blocks.
1314         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1315         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1316         cleanup_tree_cfg_bb): New functions.
1317         (remove_forwarder_block): Do not maintain the worklist of blocks.
1318         Record altered blocks.
1319         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1320         not over whole cfg.
1321         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1322         delete_unreachable_blocks if dominators are not available.
1323         * tree-inline.c (optimize_inline_calls): Free dominance information
1324         earlier.
1325         * tree-flow.h (remove_edge_and_dominated_blocks,
1326         cfgcleanup_altered_bbs): Altered.
1327         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1328         blocks.
1329         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1330         functions.
1331         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1332         do not invalidate dominators.
1333
1334 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1335
1336         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1337         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1338         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1339         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1340
1341 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1342
1343         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1344
1345 2007-04-26  Richard Guenther  <rguenther@suse.de>
1346
1347         PR tree-optimization/31703
1348         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1349         the right type for the target of the bittest.
1350
1351 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1352
1353         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1354         ix86_sol10_return_in_memory.
1355
1356 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1357
1358         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1359         variables.
1360
1361 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR c++/31598
1364         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1365
1366         PR tree-optimization/30558
1367         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1368         clear this_state.prev_try.
1369
1370 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1371             Mark Mitchell  <mark@codesourcery.com>
1372
1373         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1374         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1375         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1376
1377 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1378
1379         PR driver/31107
1380         * doc/invoke.texi (%:print-asm-header): Document.
1381         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1382         and -ftarget-help.
1383         (static_spec_functions): Add print-asm-header.
1384         (main): Print a banner before the --target-help linker options.
1385         (print_asm_header_spec_function): New function.
1386
1387 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1388
1389         PR target/31403
1390         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1391         (movsf_ie): Likewise.
1392
1393 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1394
1395         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1396
1397 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1398
1399         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1400         for divide-by-zero.
1401         (__umodsi3, __modsi3): Likewise.
1402
1403 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1404
1405         * c-typeck.c (build_compound_expr): Annotate warning()
1406         call with OPT_Wunused_value.
1407         * tree-ssa.c (warn_uninit): Annotate warning with
1408         OPT_Wunintialized.
1409         * c-common.c (handle_sentinel_attribute): Annotate warning
1410         call with OPT_Wattributes.
1411
1412 2007-04-25  Thiemo Seufer  <ths@mips.com>
1413
1414         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1415         (mips16): Fix typo.
1416         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1417         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1418         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1419         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1420         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1421         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1422
1423 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1424
1425         PR target/31680
1426         * config/i386/winnt.c (i386_pe_file_end): Strip only
1427         USER_LABEL_PREFIX when writing export name.
1428
1429 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1430
1431         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1432         sh/elf.h, vx-common.h and vxworks.h.
1433         * config/sh/sh.h: Include config/vxworks-dummy.h.
1434         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1435         (OVERRIDE_OPTIONS): Use it.
1436         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1437         (vxworks_picreg): New pattern.
1438         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1439         VXWORKS_OS_CPP_BUILTINS.
1440         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1441         to their VXWORKS_* equivalents.
1442         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1443         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1444         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1445         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1446         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1447         -mrtp/-fPIC multilibs.
1448         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1449         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1450         (MULTILIB_OSDIRNAMES): Delete.
1451
1452 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1453
1454         PR target/18989
1455         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1456
1457 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1458
1459         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1460         rounding mode to be specified by the caller.
1461         (real_to_mpfr) Likewise.
1462         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1463         include new arguments.
1464         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1465
1466 2007-04-24  Ian Lance Taylor  <iant@google.com>
1467
1468         PR tree-optimization/31605
1469         * tree-vrp.c (set_value_range): Check that min and max are not
1470         both overflow infinities.
1471         (set_value_range_to_value): New static function.
1472         (extract_range_from_binary_expr): Call set_value_range_to_value.
1473         (extract_range_from_cond_expr): Likewise.
1474         (extract_range_from_expr): Likewise.
1475         (extract_range_from_unary_expr): Likewise.  Don't create a range
1476         which overflows on both sides.
1477         (vrp_meet): Check for a useless range.
1478         (vrp_visit_phi_node): If we see a constant which looks like an
1479         overflow infinity, turn off the TREE_OVERFLOW flag.
1480
1481 2007-04-24  Ian Lance Taylor  <iant@google.com>
1482
1483         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1484
1485 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1486
1487         PR diagnostic/25923
1488         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1489         diagnostic message is being built.
1490         * tree-pretty-print.c (dump_generic_node): Only write the
1491         formatted text into BUFFER's stream if we are not building a
1492         diagnostic message.
1493         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1494         dump_generic_node.
1495         * Makefile.in (toplev.o): Depend on tree-pass.h.
1496
1497 2007-04-24  Ian Lance Taylor  <iant@google.com>
1498
1499         PR tree-optimization/31602
1500         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1501         conditionals in the copied loop header.
1502         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1503         warnings if TREE_NO_WARNING is set.
1504         * doc/invoke.texi (Warning Options): Clarify that
1505         -Wstrict-overflow does not warn about loops.
1506
1507 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1508
1509         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1510         expand on the comment about _Decimal128 arguments and check the
1511         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1512         that _Decimal128 argument uses even/odd register pair.
1513         (function_arg): Ditto.
1514
1515 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1516
1517         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1518         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1519
1520 2007-04-24  Richard Guenther  <rguenther@suse.de>
1521             Olga Golovanevsky  <olga@il.ibm.com>
1522
1523         * fold-const.c (multiple_of_p): Check for bottom
1524         to be zero.
1525
1526 2007-04-24  Richard Henderson  <rth@redhat.com>
1527
1528         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1529         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1530         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1531         looking for non-zero bits shifted out.  Avoid a recursive call
1532         when constructing the scalar.
1533         (__floatundisf): Likewise.
1534
1535 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1536
1537         * dwarf2out.c (field_byte_offset): Move the existing logic
1538         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1539         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1540
1541 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1542
1543         PR target/31641
1544         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1545         argument of 0 for memset.
1546         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1547         unsigned shift instead of the signed variant.
1548
1549 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1550
1551         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1552         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1553         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1554         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1555         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1556         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1557         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1558         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1559         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1560         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1561         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1562         "mul<mode>3", "div<mode>3"): Insn definitions added.
1563         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1564         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1565         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1566         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1567         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1568         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1569         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1570         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1571         TARGET_FLOAT_FORMAT): Macro definitions removed.
1572         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1573         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1574         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1575         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1576         (s390_gen_rtx_const_DI): Function removed.
1577         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1578
1579 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1580
1581         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1582         over an external ffs function.
1583
1584 2007-04-24  Chao-ying Fu  <fu@mips.com>
1585             Richard Sandiford  <richard@nildram.co.uk>
1586
1587         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1588         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1589         (smadd_widen_optab, umadd_widen_optab): Define.
1590         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1591         umadd_widen_optab.
1592         * genopinit.c (optabs): Fill in smadd_widen_optab and
1593         umadd_widen_optab.
1594         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1595         and umadd_widen_optab to implement multiply-add sequences.
1596         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1597         (<u>maddsidi4): ...this.  Extend condition to include
1598         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1599         of operand 0 to "ka" and use the three-operand form of madd<u>
1600         for TARGET_DSPR2.
1601         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1602         to define_expands.
1603         * config/mips/constraints.md (ka): New register constraint.
1604
1605 2007-04-24  Jan Hubicka  <j@suse.cz>
1606
1607         Revert:
1608
1609         2007-04-23  Jan Hubicka  <jh@suse.cz>
1610         * function.c (init_function_start): Don't init line number info.
1611         (expand_function_end): Update.
1612         (reset_block_changes, record_block_change, finalize_block_changes,
1613         check_block_change, free_block_changes): Kill.
1614         * function.h (reset_block_changes, record_block_change,
1615         finalize_block_changes, check_block_change, free_block_changes): Remove
1616         prototypes.
1617         (struct function): Remove ib_boundaries_block.
1618         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1619         Use curr_insn_locator to initialize locator.
1620         (emit_line_note): Remove.
1621         * cfgexpand.c (expand_gimple_cond_expr): Update.
1622         (construct_exit_block): Likewise.
1623         (tree_expand_cfg): Initialize/finalize locators.
1624         * expr.c (expand_expr_real): Update.
1625         * cfglayout.c (line_locators_locs, line_locators_lines,
1626         file_locators_locs, file_locators_files): Remove.
1627         (set_block_levels): Move to cfgexpand.c.
1628         (insn_locators_initialize): Remove.
1629         (pass_insn_locators_initialize): Remove.
1630         (locations_locators_locs, locations_locators_vals): New static vars.
1631         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1632         Likewise.
1633         (insn_locators_alloc, insn_locators_finalize,
1634         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1635         New functions.
1636         (locator_location): New.
1637         (locator_line, locator_file): Rewrite.
1638         * rtl.h (emit_line_note): Kill.
1639         (insn_locators_alloc, insn_locators_finalize,
1640         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1641         Declare.
1642         * tree-inline.c (initialize_cfun): Do not initialize
1643         ib_boundaries_block.
1644         * passes.c (pass_insn_locators_initialize): Remove.
1645
1646 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1647
1648         * doc/invoke.texi: Removed leading '-' from option index entries.
1649
1650 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1651
1652         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1653         Use phi_nodes_ptr.
1654         (create_phi_node): Use set_phi_nodes.
1655         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1656         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1657         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1658         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1659         (bsi_start, bsi_last): Use bb_stmt_list.
1660         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1661         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1662         Traverse the statements using tsi iterator.
1663         * basic-block.h (struct basic_block_def): Fields stmt_list
1664         and phi_nodes moved to ...
1665         (struct tree_bb_info): ... new structure.
1666         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1667         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1668         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1669         (tree_verify_flow_info): Verify that il.tree is not set for
1670         entry and exit block.
1671         (tree_split_block): Use set_bb_stmt_list.
1672
1673 2007-04-23  Mike Stump  <mrs@apple.com>
1674
1675         * config/i386/i386.c (ix86_tune_features
1676         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1677         nocona and core2.
1678
1679 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1680
1681         * config/i386/i386.md (prefix_extra): New attribute.
1682         (length): Add prefix_extra.
1683
1684         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1685         (sse2_movntv2di): Likewise.
1686         (sse2_cvtps2dq): Likewise.
1687         (sse2_cvtpd2pi): Likewise.
1688         (sse2_cvttpd2pi): Likewise.
1689         (*sse2_cvtpd2ps): Likewise.
1690         (*add<mode>3): Likewise.
1691         (sse2_ssadd<mode>3): Likewise.
1692         (sse2_usadd<mode>3): Likewise.
1693         (*sub<mode>3): Likewise.
1694         (sse2_sssub<mode>3): Likewise.
1695         (sse2_ussub<mode>3): Likewise.
1696         (*mulv8hi3): Likewise.
1697         (*smulv8hi3_highpart): Likewise.
1698         (*umulv8hi3_highpart): Likewise.
1699         (sse2_umulv2siv2di3): Likewise.
1700         (sse2_pmaddwd): Likewise.
1701         (ashr<mode>3): Likewise.
1702         (lshr<mode>3): Likewise.
1703         (ashl<mode>3): Likewise.
1704         (sse2_ashlti3): Likewise.
1705         (sse2_lshrti3): Likewise.
1706         (*umaxv16qi3): Likewise.
1707         (*smaxv8hi3): Likewise.
1708         (*uminv16qi3): Likewise.
1709         (*sminv8hi3): Likewise.
1710         (sse2_eq<mode>3): Likewise.
1711         (sse2_gt<mode>3): Likewise.
1712         (*and<mode>3): Likewise.
1713         (sse2_nand<mode>3): Likewise.
1714         (*ior<mode>3): Likewise.
1715         (*xor<mode>3): Likewise.
1716         (sse2_packsswb): Likewise.
1717         (sse2_packssdw): Likewise.
1718         (sse2_packuswb): Likewise.
1719         (sse2_punpckhbw): Likewise.
1720         (sse2_punpcklbw): Likewise.
1721         (sse2_punpckhwd): Likewise.
1722         (sse2_punpcklwd): Likewise.
1723         (sse2_punpckhdq): Likewise.
1724         (sse2_punpckldq): Likewise.
1725         (sse2_punpckhqdq): Likewise.
1726         (sse2_punpcklqdq): Likewise.
1727         (*sse2_pinsrw): Likewise.
1728         (*sse2_pextrw): Likewise.
1729         (sse2_pshufd_1): Likewise.
1730         (sse2_uavgv16qi3): Likewise.
1731         (sse2_uavgv8hi3): Likewise.
1732         (sse2_psadbw): Likewise.
1733         (sse2_pmovmskb): Likewise.
1734         (*sse2_maskmovdqu): Likewise.
1735         (*sse2_maskmovdqu_rex64): Likewise.
1736         (sse4a_extrqi): Likewise.
1737         (sse4a_extrq): Likewise.
1738         (sse3_lddqu): Set prefix_rep.
1739         (sse3_addsubv4sf3): Likewise.
1740         (sse3_haddv4sf3): Likewise.
1741         (sse3_hsubv4sf3): Likewise.
1742         (sse_cvtss2si): Likewise.
1743         (sse_cvtss2si_2): Likewise.
1744         (sse_cvtss2siq): Likewise.
1745         (sse_cvtss2siq_2): Likewise.
1746         (sse_cvttss2si): Likewise.
1747         (sse_cvttss2siq): Likewise.
1748         (sse2_cvttps2dq): Likewise.
1749         (sse3_movshdup): Likewise.
1750         (sse3_movsldup): Likewise.
1751         (sse2_cvtsd2si): Likewise.
1752         (sse2_cvtsd2si_2): Likewise.
1753         (sse2_cvtsd2siq): Likewise.
1754         (sse2_cvtsd2siq_2): Likewise.
1755         (sse2_cvttsd2si): Likewise.
1756         (sse2_cvttsd2siq): Likewise.
1757         (*sse2_cvtpd2dq): Likewise.
1758         (*sse2_cvttpd2dq): Likewise.
1759         (sse2_pshuflw_1): Likewise.
1760         (sse2_pshufhw_1): Likewise.
1761         (sse4a_insertqi): Likewise.
1762         (sse4a_insertq): Likewise.
1763         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1764         (ssse3_phadddv4si3): Likewise.
1765         (ssse3_phaddswv8hi3): Likewise.
1766         (ssse3_phsubwv8hi3): Likewise.
1767         (ssse3_phsubdv4si3): Likewise.
1768         (ssse3_phsubswv8hi3): Likewise.
1769         (ssse3_pmaddubswv8hi3): Likewise.
1770         (ssse3_pmulhrswv8hi3): Likewise.
1771         (ssse3_pshufbv16qi3): Likewise.
1772         (ssse3_psign<mode>3): Likewise.
1773         (ssse3_palignrti): Likewise.
1774         (abs<mode>2): Likewise.
1775         (ssse3_phaddwv4hi3): Set prefix_extra.
1776         (ssse3_phadddv2si3): Likewise.
1777         (ssse3_phaddswv4hi3): Likewise.
1778         (ssse3_phsubwv4hi3): Likewise.
1779         (ssse3_phsubdv2si3): Likewise.
1780         (ssse3_phsubswv4hi3): Likewise.
1781         (ssse3_pmaddubswv4hi3): Likewise.
1782         (ssse3_pmulhrswv4hi3): Likewise.
1783         (ssse3_pshufbv8qi3): Likewise.
1784         (ssse3_psign<mode>3): Likewise.
1785         (ssse3_palignrdi): Likewise.
1786         (abs<mode>2): Likewise.
1787         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1788         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1789         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1790
1791 2007-04-23  Nick Clifton  <nickc@redhat.com>
1792
1793         * params.def: Fix formatting of emacs local variables.
1794
1795 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1796
1797         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1798         move if inter-unit move isn't allowed.
1799         Don't split moving the first element of V2DI to DI to inter-unit
1800         move if inter-unit move isn't allowed.
1801
1802 2007-04-23  Richard Guenther  <rguenther@suse.de>
1803
1804         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1805         and CDI_POST_DOMINATORS separately.
1806
1807 2007-04-23  Nick Clifton  <nickc@redhat.com>
1808
1809         * c.opt (Wformat-contains-nul): Add warning attribute.
1810
1811 2007-04-23  Jan Hubicka  <jh@suse.cz>
1812
1813         * function.c (init_function_start): Don't init line number info.
1814         (expand_function_end): Update.
1815         (reset_block_changes, record_block_change, finalize_block_changes,
1816         check_block_change, free_block_changes): Kill.
1817         * function.h (reset_block_changes, record_block_change,
1818         finalize_block_changes, check_block_change, free_block_changes): Remove
1819         prototypes.
1820         (struct function): Remove ib_boundaries_block.
1821         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1822         Use curr_insn_locator to initialize locator.
1823         (emit_line_note): Remove.
1824         * cfgexpand.c (expand_gimple_cond_expr): Update.
1825         (construct_exit_block): Likewise.
1826         (tree_expand_cfg): Initialize/finalize locators.
1827         * expr.c (expand_expr_real): Update.
1828         * cfglayout.c (line_locators_locs, line_locators_lines,
1829         file_locators_locs, file_locators_files): Remove.
1830         (set_block_levels): Move to cfgexpand.c.
1831         (insn_locators_initialize): Remove.
1832         (pass_insn_locators_initialize): Remove.
1833         (locations_locators_locs, locations_locators_vals): New static vars.
1834         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1835         Likewise.
1836         (insn_locators_alloc, insn_locators_finalize,
1837         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1838         New functions.
1839         (locator_location): New.
1840         (locator_line, locator_file): Rewrite.
1841         * rtl.h (emit_line_note): Kill.
1842         (insn_locators_alloc, insn_locators_finalize,
1843         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1844         Declare.
1845         * tree-inline.c (initialize_cfun): Do not initialize
1846         ib_boundaries_block.
1847         * passes.c (pass_insn_locators_initialize): Remove.
1848
1849 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1850
1851         PR middle-end/31448
1852         * expr.c (reduce_to_bit_field_precision): Handle
1853         CONST_INT rtx's.
1854
1855 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1856
1857         PR tree-optimization/24659
1858         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1859         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1860         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1861         * genopinit.c (optabs): Rename vec_pack_mod_optab
1862         to vec_pack_trunc_optab.
1863         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1864         early for scalar floating point operands for NOP_EXPR.
1865         (vectorizable_type_promotion): Ditto.
1866         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1867         vec_pack_trunc_optab.
1868         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1869
1870         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1871         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1872         Rename from VEC_PACK_MOD_EXPR.
1873         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1874         * expr.c (expand_expr_real_1): Ditto.
1875         * tree-inline.c (estimate_num_insns_1): Ditto.
1876         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1877
1878         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1879         (vec_unpacks_lo_v4sf): Ditto.
1880         (vec_pack_trunc_v2df): Ditto.
1881         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1882         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1883         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1884
1885         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1886         vec_pack_mod_v8hi.
1887         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1888
1889         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1890         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1891         packing of floating point operands.
1892         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1893         represent unpacking of floating point operands.
1894         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1895         [vec_unpacks_hi]: Ditto.
1896         [vec_unpacks_lo]: Ditto.
1897
1898 2007-04-22  Jan Hubicka  <jh@suse.cz>
1899
1900         * final.c (rest_of_handle_final): Call
1901         targetm.asm_out.constructor/targetm.asm_out.destructor
1902         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1903         proper priority via decl_*_priority_insert.
1904         * c-common.c (c_expand_body): Likewise.
1905
1906 2007-04-22  Richard Guenther  <rguenther@suse.de>
1907
1908         PR tree-optimization/29789
1909         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1910         (rewrite_reciprocal): New helper split out from
1911         determine_invariantness_stmt.
1912         (rewrite_bittest): Likewise.
1913         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1914         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1915         is not.
1916
1917 2007-04-22  Revital Eres  <eres@il.ibm.com>
1918
1919         * loop-unroll.c (var_to_expand): New field to support also
1920         insns of the form x = something + x.
1921         (analyze_insn_to_expand_var): Use it.
1922         (expand_var_during_unrolling): Likewise.
1923
1924 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1925
1926         * predict.c: Include pointer-set.h.
1927         (bb_predictions): New variable.
1928         (tree_predicted_by_p, tree_predict_edge,
1929         remove_predictions_associated_with_edge): Use bb_predictions map
1930         instead of bb->predictions.
1931         (clear_bb_predictions, assert_is_empty): New functions.
1932         (combine_predictions_for_bb): Use bb_predictions map.  Call
1933         clear_bb_predictions.
1934         (tree_estimate_probability): Create and free bb_predictions map.
1935         * Makefile.in (predict.o): Add pointer-set.h dependency.
1936         * basic-block.h (struct basic_block_def): Remove predictions
1937         field.
1938         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1939
1940 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1941
1942         PR target/31480
1943         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1944         is null.
1945
1946 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1947
1948         * timevar.c (timevar_print): Change reference of --disable-checking to
1949         --enable-checking=release.  Also warn if assert checking is disabled.
1950
1951 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1952
1953         PR C/30265
1954         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1955         decl as addressable if the compound literal was marked as
1956         addressable.
1957         Mark the decl as a gimple register if it is a complex or
1958         vector decl and does not live in memory.
1959
1960 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1961
1962         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1963         (GENERIC_NEXT): New function macro.
1964         (PHI_CHAIN): Use phi_node's new chain variable.
1965         (tree_phi_node): Change tree_common to tree_base
1966         and add the chain field.
1967         * tree-phinodes.c (make_phi_node): Don't set
1968         TREE_TYPE on the new node.
1969         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1970         instead of checking GIMPLE_TUPLE_P in chain_next.
1971         * tree-vect-transform.c
1972         (get_initial_def_for_induction): Look at
1973         PHI_RESULT_TREE for the type of the phi node.
1974         (update_vuses_to_preheader): Use PHI_CHAIN
1975         instead of TREE_CHAIN on the phi node.
1976         * tree-ssa-structalias.c (compute_points_to_sets):
1977         Likewise.
1978         (ipa_pta_execute): Likewise.
1979
1980 2007-04-21  Richard Guenther  <rguenther@suse.de>
1981
1982         PR middle-end/31136
1983         * fold-const.c (fold_unary): Call fold_convert_const on the
1984         original tree.
1985
1986 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1987
1988         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1989         (store_killed_in_pat): New.
1990
1991 2007-04-20  Richard Henderson  <rth@redhat.com>
1992
1993         PR target/31628
1994         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1995         TREE_LIST with a void_type_node value, not void_list_node exactly.
1996
1997 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1998
1999         * doc/standards.texi: Re-arrange into language-specific
2000         subsections. Add a C++ section, documenting which standards we
2001         support.
2002
2003 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
2004
2005         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
2006         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
2007
2008 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
2009
2010         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
2011         ecrti.o and crtbegin.o.
2012         (LIB_DEFAULT_SPEC): Include -lc.
2013         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
2014
2015 2007-04-20  Richard Henderson  <rth@redhat.com>
2016
2017         PR target/28623
2018         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
2019         argument; update all callers.
2020         (get_unaligned_offset): New.
2021         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
2022         get_unaligned_address, just pass on the address directly.
2023         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
2024         the subreg in the helper patterns.
2025         (unaligned_extendqidi_le): Use get_unaligned_offset.
2026         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
2027         (unaligned_extendhidi_be): Likewise.
2028         (unaligned_extendhidi): Tidy.
2029         * config/alpha/alpha-protos.h: Update.
2030
2031 2007-04-20  Richard Henderson  <rth@redhat.com>
2032
2033         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
2034         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
2035         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
2036         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2037         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2038         (CPP_SPEC): Don't include %(cpp_subtarget).
2039         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
2040         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2041         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
2042
2043 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
2044
2045         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
2046         for __builtin_ia32_cmpordss.
2047
2048         PR tree-optimization/31632
2049         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2050         and arg1 for optimizations of comparison against min/max values.
2051         Fold arg0 to arg1's type for optimizations of comparison against
2052         min+1 and max-1 values.
2053
2054 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2055
2056         * reload.c (combine_reloads): When trying to use a dying register,
2057         check whether it's uninitialized and don't use if so.
2058
2059 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
2060
2061         * fold-const.c: Remove prototypes for native_encode_expr and
2062         native_interpret_expr.
2063         (native_encode_expr): Make non-static.
2064         (native_interpret_expr): Likewise.
2065         * tree.h: Add prototypes for the above.
2066
2067 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2068
2069         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
2070         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
2071         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
2072         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
2073         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
2074         Add length attributes.
2075
2076 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
2077
2078         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
2079         not that it is 1.
2080
2081         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
2082         __STDC_WANT_DEC_FP__.
2083
2084 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2085
2086         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
2087         for long double compatibility.
2088         * configure: Regenerate.
2089
2090 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2091
2092         PR rtl-optimization/29841
2093         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
2094         trap instructions.
2095         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
2096         that may cause control flow transfer from being moved.
2097
2098 2007-04-18  Jan Hubicka  <jh@suse.cz>
2099
2100         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
2101         types.
2102
2103 2007-04-18  Eric Christopher  <echristo@apple.com>
2104
2105         * config/rs6000/darwin.md (load_macho_picbase): Use link register
2106         only. Update operands.
2107         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
2108         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
2109         link register to pic register.
2110
2111 2007-04-18  Dirk Mueller  <dmueller@suse.de>
2112
2113         PR diagnostic/31227
2114         * tree-vrp.c (search_for_addr_array): New.
2115         (check_array_bounds): Suppress warning about
2116         address taken of array refs if its not de-referenced.
2117
2118 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2119
2120         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
2121         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
2122
2123         * tree-vectorizer.h (NITERS_KNOWN_P): New.
2124         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
2125         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
2126
2127         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
2128         dump print.
2129         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
2130         print message.
2131         (vect_analyze_scalar_cycles): Fix indentation.
2132         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
2133         (vect_mark_relevant): Include phis in relevance analysis.
2134
2135         * tree-vect-transform.c (vect_transform_loop): Add an assert.
2136
2137 2007-04-18  Anatoly Sokolov <aesok@post.ru>
2138
2139         * config/avr/avr.c (ptrreg_to_str): Replace error() with
2140         output_operand_lossage().
2141
2142 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2143
2144         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
2145         the unused code for reduction without adjust-in-epilog to simplify the
2146         function.
2147
2148 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
2149
2150         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
2151         (S390_TDC_NEGATIVE_ZERO): New constant.
2152         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
2153         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
2154         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
2155         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
2156         (S390_TDC_POSITIVE_INFINITY): New constant.
2157         (S390_TDC_NEGATIVE_INFINITY): New constant.
2158         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
2159         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
2160         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
2161         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
2162         (S390_TDC_INFINITY): New constant.
2163         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
2164         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
2165         optimization for UNSPEC_CCZ_TO_INT.
2166         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
2167         ("*ccz_to_int"): New insn.
2168         ("isinf<mode>2"): New insn.
2169         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
2170         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
2171         (UNSPEC_CCZ_TO_INT): New constant.
2172
2173 2007-04-18  Richard Guenther  <rguenther@suse.de>
2174
2175         PR tree-optimization/19431
2176         PR tree-optimization/21463
2177         * tree-pass.h (pass_phiprop): Declare.
2178         * passes.c (init_optimization_passes): New phiprop pass.
2179         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
2180         (phivn_valid_p): New helper function.
2181         (phiprop_insert_phi): Likewise.
2182         (propagate_with_phi): Likewise.
2183         (tree_ssa_phiprop): New propagator propagating loads
2184         through phi nodes if profitable.
2185
2186 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2187
2188         * tree-vect-analyze.c (process_use): New function.
2189         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
2190         Check phis in all bbs.
2191         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2192         assert.
2193
2194 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2195
2196         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2197         we use REG_EQUAL.
2198
2199 2007-04-17  Anatoly Sokolov <aesok@post.ru>
2200
2201         PR target/30483
2202         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2203         error().
2204
2205 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
2206
2207         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2208         on "0".
2209         (sse_vmmulv4sf3): Likewise.
2210         (sse2_vmaddv2df3): Likewise.
2211         (sse2_vmmulv2df3): Likewise.
2212
2213 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
2214
2215         PR rtl-optimization/31360
2216         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2217         (target_reg_cost): New.
2218         (init_set_costs): Initialize target_reg_cost.  Add comments
2219         regarding the rationale of the costs.
2220         (global_cost_for_size): Renamed to...
2221         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
2222         of register pressure.
2223         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2224         estimate_reg_pressure_cost.  Add number of ivs.
2225         (determine_set_costs): Dump target_reg_cost.
2226         * loop-invariant.c (gain_for_invariant):  Use
2227         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
2228         (best_gain_for_invariant, find_invariants_to_move): Remove
2229         n_inv_uses.
2230         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2231         (target_reg_cost): Declare.
2232         (global_cost_for_size): Declaration removed.
2233         (estimate_reg_pressure_cost): Declare.
2234
2235 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
2236
2237         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2238         regnos into even/odd register pairs.
2239         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2240         TDmode similar to the other floating point modes.
2241         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2242         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2243         define_expand's.
2244         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2245         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2246         (movdd_hardfloat64): Use TARGET_MFPGPR.
2247
2248 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2249
2250         * reload1.c (delete_output_reload): Don't count output in n_inherited.
2251
2252         Revert
2253         2005-01-05  Richard Henderson  <rth@redhat.com>
2254         PR rtl-opt/10692
2255         * reload1.c (do_input_reload): Restrict the optimization deleteing
2256         a previous output reload to RELOAD_FOR_INPUT.
2257
2258 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
2259
2260         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2261         induc_vec_info_type.
2262         (vectorizable_induction): New function declaration.
2263         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2264         check if already vectorized.  Find first place in BB where new stmts
2265         can be inserted.  Takes only one argument.
2266         (vectorizable_induction): New function.
2267         (vect_transform_stmt): Add case for induc_vec_info_type to call
2268         vectorizable_induction.
2269         (vect_transform_loop): Consider phis for vectorization.
2270         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2271         condition.
2272         (analyze_operations): Call vectorizable_induction when analyzing phis.
2273         Fix comment.
2274         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2275         (vect_mark_relevant): Include phis in relevance analysis.
2276         (vect_mark_stmts_to_be_vectorize): Likewise.
2277         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2278
2279 2007-04-16  Lawrence Crowl  <crowl@google.com>
2280
2281         * doc/invoke.texi (Debugging Options): Add documentation for the
2282         -femit-struct-debug options -femit-struct-debug-baseonly,
2283         -femit-struct-debug-reduced, and
2284         -femit-struct-debug-detailed[=...].
2285
2286         * c-opts.c (c_common_handle_option): Add
2287         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2288         and OPT_femit_struct_debug_detailed_.
2289         * c.opt: Add specifications for
2290         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2291         and -femit-struct-debug-detailed[=...].
2292         * opts.c (set_struct_debug_option): Parse the
2293         -femit-struct-debug-... options.
2294         * opts.c (matches_main_base, main_input_basename,
2295         main_input_baselength, base_of_path, matches_main_base): Add
2296         variables and functions to compare header base name to compilation
2297         unit base name.
2298         * opts.c (should_emit_struct_debug): Add to determine to emit a
2299         structure based on the option.
2300         (dump_struct_debug) Also disabled function to debug this
2301         function.
2302         * opts.c (handle_options): Save the base name of the
2303         compilation unit.
2304
2305         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2306         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2307         This hook indicates if a type is generic.  Set it by default
2308         to "never generic".
2309         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2310         to determine if a struct type is generic or not.
2311         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2312         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2313         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2314         with live C++ hook.
2315
2316         * flags.h (enum debug_info_usage): Add an enumeration to describe
2317         a program's use of a structure type.
2318         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2319         to indicate the program's usage of the type.  Filter structs based
2320         on the -femit-struct-debug-... specification.
2321         (gen_type_die): Split into two routines, gen_type_die and
2322         gen_type_die_with_usage.  gen_type_die is now a wrapper
2323         that assumes direct usage.
2324         (gen_type_die_with_usage): Replace calls to gen_type_die
2325         with gen_type_die_with_usage adding the program usage of
2326         the referenced type.
2327         (dwarf2out_imported_module_or_decl): Suppress struct debug
2328         information using should_emit_struct_debug when appropriate.
2329
2330 2007-04-16  Ian Lance Taylor  <iant@google.com>
2331
2332         PR tree-optimization/31522
2333         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2334         (vrp_initialize): Allocate vr_phi_edge_counts.
2335         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2336         executable edge.  Drop test for all constants.
2337         (vrp_finalize): Free vrp_phi_edge_counts.
2338
2339         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2340         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2341
2342         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2343         predecessors at head rather than tail.
2344
2345 2007-04-16  Matthias Klose  <doko@debian.org>
2346
2347         * config/alpha/linux.h (CPP_SPEC): Define.
2348         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2349
2350 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2351
2352         * function.h: Remove sequence_stack extern declaration.
2353
2354 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2355
2356         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2357         TARGET_FIDOA.
2358         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2359         defined.
2360
2361 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2362
2363         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2364         (enum avr_arch): Add.
2365         (avr_mcu_types): Use avr_arch enumeration constants instead of
2366         numbers.
2367         * config/avr/avr.h (LINK_SPEC): Simplify.
2368
2369 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2370
2371         * config/m68k/m68k.c (m68k_libcall_value,
2372         m68k_function_value): Use macros for register names more.
2373
2374         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2375         instead.
2376         (M68K_REGNAME): Use A6_REG.
2377         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2378
2379 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2380
2381         PR middle-end/28071
2382         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2383         'pending_read_list_length' and 'pending_write_list_length'.  Update
2384         comment.
2385         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2386         to handle two length counters instead of one.  Update all uses.
2387         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2388         two length counters instead of one.
2389         * sched-rgn.c (propagate_deps): Update to handle two length counters
2390         instead of one.
2391
2392 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2393
2394         PR target/31582
2395         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2396         copy of source, pass it to ix86_expand_vector_set and return
2397         it as target.
2398
2399 2007-04-16  David Ung  <davidu@mips.com>
2400             Joseph Myers  <joseph@codesourcery.com>
2401
2402         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2403         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2404         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2405         Add 74K processor information.
2406         * config/mips/mips.md: Include 74k.md.
2407         (cpu): Add 74kc,74kf,74kx.
2408         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2409         * config/mips/74k.md: New.
2410         * doc/invoke.texi (MIPS Options): Document 74K support.
2411
2412 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2413
2414         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2415         vectorizable_* functions.
2416         * tree-vect-transform.c (vectorizable_call): Add check for
2417         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2418         (vectorizable_store): likewise.
2419         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2420         Add comments.
2421         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2422         (vectorizable_type_promotion, vectorizable_load): Likewise.
2423         (vectorizable_live_operation, vectorizable_condition): Likewise.
2424         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2425         STMT_VINFO_LIVE_P.
2426         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2427
2428 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2429
2430         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2431         register numbers more.
2432         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2433         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2434         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2435         FUNCTION_VALUE_REGNO_P): Likewise.
2436         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2437         STATIC_CHAIN_REGNUM): Likewise.
2438         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2439         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2440         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2441         * config/m68k/m68k.md (FP_REG): New.
2442
2443 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2444
2445         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2446         alignment on fido.
2447
2448 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2449
2450         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2451         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2452         comment typos.
2453
2454 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2455
2456         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2457         cold loops.
2458
2459 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2460
2461         PR c/31520
2462         * c-decl.c (finish_decl): Grab the type of the decl after the call
2463         to store_init_value.
2464
2465 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2466
2467         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2468
2469 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR c++/25874
2472         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2473         post dominators and cleanup cfg before returning.
2474
2475 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2476
2477         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2478         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2479
2480 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2481
2482         * config.gcc: Recognize fido.
2483         * config/m68k/m68k-devices.def (fidoa): New.
2484         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2485         __mfido__.
2486         (FL_FIDOA, TARGET_FIDOA): New.
2487         * config/m68k/m68k.opt (mfidoa): New.
2488
2489 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2490
2491         PR middle-end/31322
2492         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2493         when a personality function is used.
2494
2495 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2496
2497         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2498
2499 2007-04-13  Mike Stump  <mrs@apple.com>
2500
2501         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2502         we can...
2503         * config/darwin.opt (fapple-kext): Make C++ only.
2504         * config/darwin.c (darwin_override_options): Remove code to ensure
2505         -fapple-kext is given for C++ only.
2506
2507 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2508
2509         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2510         * config/mips/mips.c (override_options): Call
2511         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2512
2513 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2514
2515         * config/i386/i386.opt (msvr3-shlib): Removed.
2516
2517         * doc/invoke.texi: Remove -msvr3-shlib.
2518
2519 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2520
2521         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2522         with "popcnt" instruction.
2523
2524 2007-04-13  Richard Guenther  <rguenther@suse.de>
2525
2526         PR tree-optimization/21258
2527         * tree-vrp.c (compare_case_labels): New helper.
2528         (find_switch_asserts): New function.
2529         (find_assert_locations): Call it for SWITCH_EXPRs.
2530
2531 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2534         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2535         check is now implied in X87_FLOAT_MODE_P.
2536         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2537         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2538         (fix_trunc<mode>_i386_fisttp): Ditto.
2539         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2540         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2541         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2542         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2543         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2544         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2545         (unnamed_splitters): Ditto.
2546         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2547         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2548         FIRST_SSE_REG for local functions when SSE math is enabled or
2549         for functions with sseregparm attribute.
2550         (standard_80387_constant_p): Return -1 if mode is not
2551         X87_FLOAT_MODE_P.
2552         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2553         (ix86_expand_compare): Ditto.
2554         (ix86_expand_carry_flag_compare): Ditto.
2555         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2556         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2557         DECIMAL_FLOAT_MODE_P.
2558         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2559         of SCALAR_FLOAT_MODE_P.
2560         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2561         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2562         checks before FLOAT_MODE_P.
2563         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2564         before FLOAT_MODE_P.
2565         [DIV]: Ditto.
2566         [NEG]: Ditto.
2567         [ABS]: Ditto.
2568         [SQRT]: Ditto.
2569         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2570
2571 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2572             Charles Wilson  <libtool@cwilson.fastmail.fm>
2573
2574         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2575         (libgcc.mvars): Don't depend on them.
2576         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2577         * exec-tool.in: New.
2578
2579 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2580
2581         * doc/invoke.text (--help): Document --help=common.
2582
2583 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2584
2585         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2586
2587 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2588
2589         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2590         * genemit.c (main): Emit #include "integrate.h".
2591         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2592         (LOADGP_RTP): New mips_loadgp_style.
2593         * config/mips/mips.h: Include config/vxworks-dummy.h.
2594         (TARGET_RTP_PIC): New macro.
2595         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2596         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2597         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2598         for TARGET_RTP_PIC.
2599         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2600         -mvxworks-pic when using -mrtp and a PIC option.
2601         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2602         for RTP PIC.
2603         (mips_symbolic_constant_p, mips_symbolic_address_p)
2604         (mips_symbol_insns): Handle SYMBOL_HALF.
2605         (override_options): Warn about -G and -mrtp being used together.
2606         Initialize mips_lo_relocs[SYMBOL_HALF].
2607         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2608         (mips_emit_loadgp): Handle LOADGP_RTP.
2609         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2610         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2611         (tablejump): Handle function-relative case table entries if
2612         TARGET_RTP_PIC.
2613         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2614
2615 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2616
2617         * config/mips/mips.md (load_call<mode>): Allow any general register.
2618         destination.
2619         (sibcall_value_internal, sibcall_value_multiple_internal)
2620         (call_value_internal, call_value_split, call_value_multiple_internal)
2621         (call_value_multiple_split): Remove constraints from operand 0.
2622
2623 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2624
2625         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2626         rather than loadgp_noshared.
2627         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2628         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2629         gen_loadgp.
2630         * config/mips/mips.md (loadgp): Rename to...
2631         (loadgp_newabi): ...this.
2632         (loadgp_noshared): Rename to...
2633         (loadgp_absolute): ...this.
2634
2635 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2636
2637         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2638         false for locally-binding symbols.
2639         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2640
2641 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2642
2643         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2644         (SYMBOL_GOT_PAGE_OFST): ...this.
2645         (SYMBOL_GOT_GLOBAL): Rename to...
2646         (SYMBOL_GOT_DISP): ...this.
2647         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2648         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2649         * config/mips/mips.c (mips_global_symbol_p): New function.
2650         (mips_symbol_binds_local_p): Likewise.
2651         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2652         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2653         and mips_symbol_binds_local_p.
2654         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2655         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2656         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2657         SYMBOL_GOTOFF_DISP.
2658         (mips_ok_for_lazy_binding_p): New function.
2659         (mips_load_call_address, mips_expand_call): Use it.
2660         (mips_dangerous_for_la25_p): Likewise.
2661         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2662         (*got_disp<mode>): Use got_disp_operand instead of
2663         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2664         SYMBOL_GOTOFF_GLOBAL.
2665         (*got_page<mode>): Use got_page_ofst_operand instead of
2666         local_got_operand.
2667         * config/mips/predicates.md (const_call_insn_operand): Use
2668         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2669         (global_got_operand): Rename to...
2670         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2671         SYMBOL_GOT_GLOBAL.
2672         (local_got_operand): Rename to...
2673         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2674         of SYMBOL_GOT_LOCAL.
2675
2676 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2677
2678         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2679         TARGET_CALL_CLOBBERED_GP.
2680         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2681         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2682         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2683         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2684         of TARGET_ABICALLS && !TARGET_NEWABI.
2685         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2686         * config/mips/mips.c (mips_load_call_address): Check
2687         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2688         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2689         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2690         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2691         TARGET_ABICALLS && TARGET_NEWABI.
2692         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2693         TARGET_ABICALLS.
2694         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2695         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2696         TARGET_ABICALLS && TARGET_NEWABI.
2697         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2698         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2699         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2700         whether indirect calls must use $25.
2701         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2702         TARGET_ABICALLS.
2703         * config/mips/mips.md (jal_macro): Check flag_pic and
2704         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2705         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2706         instead of TARGET_ABICALLS.
2707         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2708         TARGET_ABICALLS && TARGET_OLDABI.
2709         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2710         (sibcall): In the comment above the define_insn, mention
2711         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2712         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2713         instead of TARGET_ABICALLS.
2714
2715 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2716
2717         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2718         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2719         (MACFLAGS_MATCH_P): New macro.
2720         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2721         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2722         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2723         the other MACFLAG constants.
2724         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2725         (flag_machi): Tighten constraints.  Renumber some of the operands.
2726         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2727         output template.
2728         (flag_machi_parts_acconly): New pattern.
2729         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2730         used.
2731         (flag_macinit1hi): Tighten constraints.
2732         (flag_mul_macv2hi_parts_acconly): New pattern.
2733
2734         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2735         Use a more efficient implementation.
2736         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2737         inline sequences when not optimizing for size.
2738
2739         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2740         movhi_high2low): Delete, merge functionality into...
2741         (packv2hi): ... this pattern.
2742
2743         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2744         * config/bfin/bfin.opt (msim): New option.
2745         (mcpu=): New option.
2746         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2747         (bfin_cpu_t): Typedef of enum bfin_cpu.
2748         (bfin_cpu_type): New declaration.
2749         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2750         -msim and -mcpu= options.
2751         (LIB_SPEC): Likewise.
2752         * config/bfin/bfin.c (bfin_cpu_type): Define.
2753         (bfin_handle_option): Handle -mcpu= option.
2754         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2755         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2756         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2757
2758 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2759
2760         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2761         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2762         (powerpc-wrs-vxworksae): Use ${tm_file}.
2763         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2764         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2765         * config/i386/vx-common.h: New file.
2766
2767 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2768
2769         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2770         of crt0.o%s.
2771
2772 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2773
2774         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2775         ldxtr.
2776
2777 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2778
2779         PR c++/31078
2780         PR c++/31103
2781         * c-common.c (c_build_qualified_type): Set canonical type
2782         appropriately.
2783
2784 2007-04-12  Richard Guenther  <rguenther@suse.de>
2785
2786         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2787         lower bound and element size if lower bound is not zero
2788         or either of the ARRAY_REF operands is set.
2789
2790 2007-04-12  Richard Guenther  <rguenther@suse.de>
2791
2792         PR tree-optimization/24689
2793         PR tree-optimization/31307
2794         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2795         indices by value.
2796         * gimplify.c (canonicalize_addr_expr): To be consistent with
2797         gimplify_compound_lval only set operands two and three of
2798         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2799         it never at this place.
2800         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2801
2802 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2803
2804         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2805         null before emitting a .nsubspa directive.
2806
2807 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2808
2809         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2810         need_to_partition_p if there are no memory statements in the
2811         function.
2812
2813 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2814
2815         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2816         (gcd_of_steps_may_divide_p): New function.
2817         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2818
2819 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2820
2821         * reload.c (find_reloads_toplev, find_reloads_address,
2822         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2823         not a pointer equality test, to decide if we need to call
2824         push_reg_equiv_alt_mem.
2825
2826 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2827
2828         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2829         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2830         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2831
2832 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2833
2834         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2835         vector to be positive.
2836
2837 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2838
2839         PR 30735
2840         PR 31090
2841         * doc/invoke.texi: Document --params max-aliased-vops and
2842         avg-aliased-vops.
2843         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2844         debug_memory_partitions): Move to tree-flow.h
2845         * params.h (AVG_ALIASED_VOPS): Define.
2846         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2847         users.
2848         (mp_info_t): Likewise.
2849         (get_mem_sym_stats_for): New.
2850         (set_memory_partition): Move from tree-flow-inline.h.
2851         (mark_non_addressable): Only clear the set of symbols for the
2852         partition if it exists.
2853         (dump_memory_partitions): Move from tree-ssa-operands.c
2854         (debug_memory_partitions): Likewise.
2855         (need_to_partition_p): New.
2856         (dump_mem_ref_stats): New.
2857         (debug_mem_ref_stats): New.
2858         (dump_mem_sym_stats): New.
2859         (debug_mem_sym_stats): New.
2860         (update_mem_sym_stats_from_stmt): New.
2861         (compare_mp_info_entries): New.
2862         (mp_info_cmp): Call it.
2863         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2864         objects.
2865         (get_mpt_for): Move from tree-ssa-operands.c.
2866         (find_partition_for): New.
2867         (create_partition_for): Remove.
2868         (estimate_vop_reduction): New.
2869         (update_reference_counts): New.
2870         (build_mp_info): New.
2871         (compute_memory_partitions): Refactor.
2872         Document new heuristic.
2873         Call build_mp_info, update_reference_counts,
2874         find_partition_for and estimate_vop_reduction.
2875         (compute_may_aliases): Populate virtual operands before
2876         calling debugging dumps.
2877         (delete_mem_sym_stats): New.
2878         (delete_mem_ref_stats): New.
2879         (init_mem_ref_stats): New.
2880         (init_alias_info): Call it.
2881         (maybe_create_global_var): Remove alias_info argument.
2882         Get number of call sites and number of pure/const call sites
2883         from gimple_mem_ref_stats().
2884         (dump_alias_info): Call dump_memory_partitions first.
2885         (dump_points_to_info_for): Show how many times a pointer has
2886         been dereferenced.
2887         * opts.c (decode_options): For -O2 set --param
2888         max-aliased-vops to 500.
2889         For -O3 set --param max-aliased-vops to 1000 and --param
2890         avg-aliased-vops to 3.
2891         * fortran/options.c (gfc_init_options): Remove assignment to
2892         MAX_ALIASED_VOPS.
2893         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2894         * tree-dfa.c (dump_variable): Dump memory reference
2895         statistics.
2896         Dump NO_ALIAS* settings.
2897         (referenced_var_lookup): Tidy.
2898         (mem_sym_stats): New.
2899         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2900         and ORIG are different SSA names for a memory partition.
2901         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2902         * tree-flow.h (struct mem_sym_stats_d): Define.
2903         (mem_sym_stats_t): Define.
2904         (struct mem_ref_stats_d): Define.
2905         (struct gimple_df): Add field mem_ref_stats.
2906         (enum noalias_state): Define.
2907         (struct var_ann_d): Add bitfield noalias_state.
2908         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2909         debug_mem_ref_stats, debug_memory_partitions,
2910         debug_mem_sym_stats): Declare.
2911         * tree-ssa-structalias.c (update_alias_info): Update call
2912         sites, pure/const call sites and asm sites in structure
2913         returned by gimple_mem_ref_stats.
2914         Remove local variable IS_POTENTIAL_DEREF.
2915         Increase NUM_DEREFS if the memory expression is a potential
2916         dereference.
2917         Call update_mem_sym_stats_from_stmt.
2918         If the memory references memory, call
2919         update_mem_sym_stats_from_stmt for all the direct memory
2920         symbol references found.
2921         (intra_create_variable_infos): Set noalias_state field for
2922         pointer arguments according to the value of
2923         flag_argument_noalias.
2924         * tree-ssa-structalias.h (struct alias_info): Remove fields
2925         num_calls_found and num_pure_const_calls_found.
2926         (update_mem_sym_stats_from_stmt): Declare.
2927         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2928         Set default value to 100.
2929         (PARAM_AVG_ALIASED_VOPS): Define.
2930
2931 2007-04-11  Richard Guenther  <rguenther@suse.de>
2932
2933         PR middle-end/31530
2934         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2935         a * -b + c as c - a * b if we honor sign dependent rounding.
2936
2937 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2938
2939         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2940         bfin_expand_strmov.
2941         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2942         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2943         variables.
2944         (initialize_trampoline): Don't use old-style function definition.
2945         (bfin_secondary_reload): Mark IN_P argument as unused.
2946
2947 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2948
2949         PR tree-optimization/31343
2950         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2951         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2952         * testsuite/gcc.dg/vect/pr31343.c: New.
2953
2954 2007-04-10  Eric Christopher  <echristo@apple.com>
2955
2956         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2957         * config/i386/i386.md (*cmpfp0): Use.
2958         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2959         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2960         (fix_trunc<mode>_i386_fisttp): Ditto.
2961         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2962         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2963         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2964         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2965         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2966         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2967         (unnamed_splitters): Ditto.
2968         * config/i386/i386.c (output_fix_trunc): Assert that
2969         we're not being passed a TFmode operand.
2970
2971 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2972
2973         PR tree-optimization/31526
2974         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2975         n_basic_blocks to find newly added blocks.
2976
2977 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2978
2979         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2980         alternative.
2981         (fix_trunc<mode>si_sse): Ditto.
2982         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2983         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2984         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2985         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2986         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2987         expander using SSEMODEF mode macro.
2988         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2989         expander using SSEMODEF mode macro.
2990         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2991         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2992         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2993         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2994         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2995         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2996         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2997         Macroize insn using X87MODEF mode macro.
2998
2999 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3000
3001         * config/i386/sse.md (sse2_pinsrw): Removed.
3002         (sse2_pextrw): Renamed to ...
3003         (*sse2_pextrw): This.
3004
3005 2007-04-09  Jan Hubicka  <jh@suse.cz>
3006
3007         PR target/27869
3008         * config/i386/sse.md
3009         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
3010         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
3011         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
3012         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
3013
3014 2007-04-09  Jan Hubicka  <jh@suse.cz>
3015
3016         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
3017         multiple fields of union.
3018
3019 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
3020
3021         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
3022         (create_preheaders): Check that loops are available.
3023         (fix_loop_structure): Clean up, improve comments.
3024         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
3025         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
3026         state flags.
3027         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
3028         * predict.c (tree_estimate_probability): Do not call
3029         calculate_dominance_info.  Call create_preheaders.
3030         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
3031         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
3032         flags.
3033         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
3034         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
3035         * tree-cfg.c (tree_split_edge): Make an assert more precise.
3036         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
3037         arguments.
3038
3039 2007-04-08  Jan Hubicka  <jh@suse.cz>
3040
3041         * tree.h (maybe_fold_offset_to_component_ref): Declare.
3042         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
3043         * fold-const.c (fold_unary): Use it.
3044
3045 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3046
3047         * varasm.c (assemble_variable): Remove call to
3048         lang_hooks.decls.prepare_assemble_variable.
3049         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
3050         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
3051         * langhooks.h (lang_hooks_for_decls): Remove
3052         prepare_assemble_variable.
3053
3054 2007-04-08  Mike Stump  <mrs@apple.com>
3055
3056         * config/i386/i386.c: Use inc/dec on Core2.
3057
3058 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
3059
3060         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
3061         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3062         lhd_tree_inlining_end_inlining): Remove.
3063         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
3064         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
3065         end_inlining hooks.
3066         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
3067         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3068         lhd_tree_inlining_end_inlining): Remove prototypes.
3069         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
3070         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3071         LANG_HOOKS_TREE_INLINING_START_INLINING,
3072         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
3073
3074         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
3075         not set it.
3076
3077 2007-04-08  Anatoly Sokolov <aesok@post.ru>
3078
3079         PR target/29932
3080         * config/avr/predicates.md (io_address_operand): Delete predicate.
3081         (low_io_address_operand): Don't use 'mode' argument.
3082         (higth_io_address_operand): Rename ...
3083         (high_io_address_operand): ... to this. Don't use 'mode' argument.
3084         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
3085         for above change.
3086
3087 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
3088
3089         Revert change removing staticp.
3090
3091 2007-04-07  Anatoly Sokolov <aesok@post.ru>
3092
3093         PR target/30289
3094         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
3095         earlyclobber.
3096
3097 2007-04-07  Bruce Korb  <bkorb@gnu.org>
3098
3099         * c.opt: Add -Wformat-contains-nul.
3100         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
3101           -Wformat setting.
3102         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
3103         the NUL byte warning.
3104
3105 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
3106
3107         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
3108
3109 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3110
3111         * tree.c (staticp): No longer use staticp langhook.
3112         * langhooks.c (lhd_staticp): Removed.
3113         * langhooks.h (struct lang_hooks): Remove staticp.
3114         * c-common.c (c_staticp): Remove.
3115         * c-common.h (c_staticp): Ditto.
3116         * langhooks-defs.h (lhd_staticp): Ditto.
3117         (LHD_HOOKS_STATICP): Ditto
3118         * tree.h (gcc_assert_lowered): New macro.
3119
3120 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3121
3122         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
3123         argument "reliable".
3124         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
3125         Add argument "reliable".  Propagate it through calls.
3126         (infer_loop_bounds_from_undefined):  Derive number of iterations
3127         estimates from references in blocks that do not dominate loop latch.
3128         (gcov_type_to_double_int): New function.
3129         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
3130         and expected_loop_iterations_unbounded.
3131         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
3132         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
3133         * tree-data-ref.c (estimated_loop_iterations): Export.
3134         (get_references_in_stmt): Fix -- do not return addresses of local
3135         objects.
3136         * cfgloop.h (expected_loop_iterations_unbounded,
3137         estimated_loop_iterations): Declare.
3138
3139 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3140
3141         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3142
3143 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
3146         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
3147         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
3148         Use output_387_reg_move().
3149         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
3150         expander using X87MODEF12 mode macro.
3151         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
3152         choosing register preferences.  Use output_387_reg_move().
3153         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
3154         instead of "x".  Use output_387_reg_move().
3155         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
3156         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
3157         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
3158         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
3159         Use output_387_reg_move().
3160         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
3161         mode macro.
3162         (*truncxf?f_i387 splitter): Ditto.
3163
3164 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3165
3166         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3167         LANG_HOOKS_SAFE_FROM_P.
3168         * expr.c (safe_from_p): Remove langhook call.
3169         * langhooks.h (lang_hooks): Remove safe_from_p.
3170         (lhd_safe_from_p): Remove prototype.
3171         * langhooks.c (lhd_safe_from_p): Remove.
3172
3173 2007-04-06  Jan Hubicka  <jh@suse.cz>
3174
3175         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
3176         functions.
3177
3178 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3179
3180         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
3181         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
3182         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
3183         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
3184         alternative.
3185         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
3186         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
3187
3188 2007-04-05  Richard Henderson  <rth@redhat.com>
3189
3190         * config/alpha/alpha.c (print_operand) [+]: Remove.
3191         (alpha_end_function): Print nop if call at end of function.
3192         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3193         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3194         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3195         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3196         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3197         the call pattern. Update peepholes to match.
3198
3199 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
3200
3201         * doc/extend.texi (Other Builtins): Add decimal float variants
3202         of signbit.
3203         * builtins.def: Ditto.
3204         * builtins.c (expand_builtin): Ditto.
3205
3206 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
3207             H.J. Lu  <hongjiu.lu@intel.com>
3208
3209         PR target/31478
3210         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3211         of V8HImode when calling ix86_binary_operator_ok.
3212         (sse2_pmaddwd): Call ix86_binary_operator_ok.
3213         (sdot_prodv8hi): Operands 1 and 2 must be register.
3214
3215 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3216
3217         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3218         initialize align to silence bogus warning.
3219
3220 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3221
3222         PR middle-end/22156
3223         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
3224         all_no_warning.
3225         (struct sra_walk_fns): Remove use_all parameter from use.
3226         (sra_hash_tree): Handle BIT_FIELD_REFs.
3227         (sra_elt_hash): Don't hash bitfld blocks.
3228         (sra_elt_eq): Skip them in parent compares as well.  Handle
3229         BIT_FIELD_REFs.
3230         (sra_walk_expr): Don't maintain or pass down use_all_p.
3231         (scan_use): Remove use_all parameter.
3232         (scalarize_use): Likewise.  Re-expand assignment to
3233         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
3234         output, and re-scalarize after output.  Don't mark anything
3235         for no warning.
3236         (scalarize_ldst): Adjust.
3237         (scalarize_walk_gimple_modify_statement): Likewise.
3238         (build_element_name_1): Handle BIT_FIELD_REFs.
3239         (instantiate_element): Don't warn for any element whose parent
3240         is used as a whole.
3241         (instantiate_missing_elements_1): Return the sra_elt.
3242         (canon_type_for_field): New.
3243         (try_instantiate_multiple_fields): New.
3244         (instantiate_missing_elemnts): Use them.
3245         (mark_no_warning): Removed.
3246         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3247         (REPLDUP, sra_build_elt_assignment): New.
3248         (generate_copy_inout): Use them.
3249         (generate_element_copy): Likewise.  Handle bitfld differences.
3250         (generate_element_zero): Don't recurse for blocks.  Use
3251         sra_build_elt_assignment.
3252         (generate_one_element_int): Take elt instead of var.  Use
3253         sra_build_elt_assignment.
3254         (generate_element_init_1): Adjust.
3255         (scalarize_use, scalarize_copy): Use REPLDUP.
3256         (scalarize_ldst): Move assert before dereference.
3257         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3258
3259 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3260
3261         * regmove.c: Fix unused variable warnings due to previous commit.
3262
3263 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3264
3265         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3266         (regmove_bb_head): Remove.
3267         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3268         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3269         problems with fixup_match_1.
3270         Don't initialize/free regmove_bb_head.
3271
3272         (reg_is_remote_constant_p): If an insn is in the same basic block
3273         but not before INSN, consider it remote, too.
3274
3275 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3276
3277         PR target/25448
3278         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3279         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3280
3281 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3282
3283         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3284         (CONDITIONAL_REGISTER_USAGE): Likewise.
3285
3286 2007-04-04  Richard Henderson  <rth@redhat.com>
3287
3288         * config/alpha/lib1funcs.asm: Remove unused file.
3289
3290 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3291
3292         PR other/31356
3293         * opts.c (print_specific_help): Fix --help=<language>
3294         header line.
3295         (common_handle_option): Support --help=common.
3296
3297 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3298
3299         PR other/31353
3300         * gcc.c (main): Do not run the linker if
3301         print_subprocess_help indicates that it shouldn't be
3302         run.
3303
3304 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3305
3306         PR doc/31355
3307         * doc/invoke.texi (--help=): Document <languages> value, fix
3308         formatting in tables of values.
3309
3310 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3311
3312         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3313         dllimport attribute of virtual methods.
3314
3315 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3316
3317         * config/score/crti.asm: Change _bss_start to __bss_start.
3318         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3319         (OUTGOING_REG_PARM_STACK_SPACE) update.
3320         * config/score/score.opt: add options to make backend support
3321         score5, score5u, score7 and score7d.
3322         * config/score/score.md: Likewise.
3323         * config/score/misc.md: Likewise.
3324         * config/score/mac.md: Likewise.
3325         * doc/invoke.texi: Likewise.
3326         * doc/md.texi: update constraints define.
3327
3328 2007-04-03  Richard Henderson  <rth@redhat.com>
3329
3330         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3331         an appropriate type, use the mode instead.
3332
3333 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3334
3335         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3336         Set the default --with-arch setting to mips2.
3337         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3338         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3339         (MULTILIB_OSDIRNAMES): Delete.
3340         (MULTILIB_DIRNAMES): Define.
3341         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3342         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3343         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3344         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3345         VXWORKS_OS_CPP_BUILTINS.
3346         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3347         (MIPS_DEBUGGING_INFO): Undefine.
3348         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3349
3350 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3351
3352         PR middle-end/30704
3353         * fold-const.c (native_encode_real): Encode real.c provided longs
3354         as a series of 32-bit native integers.
3355         (native_interpret_real): Interpret buffer as a series of 32-bit
3356         native integers.
3357
3358 2007-04-03  Richard Guenther  <rguenther@suse.de>
3359
3360         * genpreds.c (write_insn_constraint_len): Write function
3361         optimized for CONSTRAINT_LEN implementation.
3362         (write_tm_preds_h): Output insn_constraint_len inline and
3363         use it for CONSTRAINT_LEN.
3364         (write_insn_preds_c): Don't output insn_constraint_len.
3365         * doc/md.texi (define_register_constraint): Document multi-letter
3366         constraints shall have the same length if they start with the same
3367         letter.
3368
3369 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         PR target/31175
3372         * config/i386/i386.md (isinf<mode>2): Expand only when
3373         TARGET_C99_FUNCTIONS is set.
3374
3375 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3378         (x86_64-*-linux*): Ditto.
3379         * config/i386/i386.opt (mpc): New option.
3380         * config/i386/i386.c (overrride_options): Handle
3381         ix87_precision_string.
3382         * config/i386/crtprec.c: New file.
3383         * config/i386/t-crtpc: Ditto.
3384         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3385         and -mpc80 options.
3386         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3387         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3388         crtprec32.o, crtprec64.o and crtprec80.o.
3389
3390         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3391         and -mpc80 options.
3392         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3393
3394 2007-04-02  Eric Christopher  <echristo@apple.com>
3395
3396         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3397         limitations on darwin.
3398
3399 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3400
3401         PR target/31137
3402         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3403
3404 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3405
3406         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3407
3408 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3409
3410         * libgcc2.h (exception_descriptor): Don't forward-declare.
3411         (__get_eh_table_language, __get_eh_table_version): Delete
3412         prototypes of long-dead functions.
3413
3414 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3415
3416         * ebitmap.h: New file
3417         * ebitmap.c: New file
3418         * Makefile.in (ebitmap.o): New target.
3419
3420 2007-04-01  Jan Hubicka  <jh@suse.cz>
3421
3422         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3423         before very first instruction.
3424
3425 2007-04-01  Jan Hubicka  <jh@suse.cz>
3426
3427         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3428         waring on 64bit hosts.
3429         * bitmap.h: Fix typo in bitmap_head_def.
3430
3431 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3432
3433         PR rtl-optimization/31391
3434         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3435         into a DELETED_LABEL note, and the label is in an empty basic
3436         block, update BB_END as well as BB_HEAD.
3437
3438 2007-04-01  Richard Henderson  <rth@redhat.com>
3439
3440         PR tree-optimization/31169
3441         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3442         to varying if the range is outside [0,  prec-1].
3443
3444 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3445
3446         PR target/31388
3447         * config/mips/mips.md (load_const_gp): New insn.
3448         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3449         the MIPS16 GP pseudo register if no_new_pseudos.
3450         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3451
3452 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3453
3454         PR target/31364
3455         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3456         secureplt.
3457         (call_value): Likewise.
3458
3459 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3460             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3461
3462         PR 14737
3463         * doc/invoke.texi: (optimization options): Reword description
3464         of -ffast-math. Document its primary purpose.
3465
3466 2007-03-31  Richard Guenther  <rguenther@suse.de>
3467
3468         * omp-low.c (splay-tree.h): Include.
3469         (lookup_decl): Replace splay-tree usage by pointer-map.
3470         (maybe_lookup_decl): Likewise.
3471         (new_omp_context): Likewise.
3472         (delete_omp_context): Likewise.
3473         * gimplify.c (splay-tree.h): Include.
3474         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3475         pointer-map.
3476         (remap_ssa_name): Likewise.
3477         (remap_decl): Likewise.
3478         (remap_type_1): Likewise.
3479         (remap_type): Likewise.
3480         (copy_body_r): Likewise.
3481         (expand_call_inline): Likewise.
3482         (clone_body): Likewise.
3483         (copy_tree_r): Likewise.
3484         (remap_save_expr): Likewise.
3485         (unsave_r): Likewise.
3486         (unsave_expr_now): Likewise.
3487         (tree_function_versioning): Likewise.
3488         (build_duplicate_type): Likewise.
3489         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3490         (struct copy_body_data): Replace splay-tree by pointer-map.
3491         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3492         not $(SPLAY_TREE_H).
3493         (gimplify.o): Depend on $(SPLAY_TREE_H).
3494         (omp-low.p): Likewise.
3495
3496 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3497
3498         * config/avr/predicates.md (even_register_operand,
3499         odd_register_operand): New predicates.
3500         * config/avr/avr.md (movw peephole2): New.
3501         (movw_r peephole2): New.
3502
3503 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3504
3505         * tree.h (get_signed_or_unsigned_type): New.
3506         * fold-const.c (operand_equal_for_comparison_p): Use
3507         get_signed_or_unsigned_type instead of
3508         lang_hooks.types.signed_or_unsigned_type.
3509         * expr.c (store_expr): Ditto.
3510         * langhooks.c (get_signed_or_unsigned_type): New.
3511         (lhd_signed_or_unsigned_type): New.
3512         * langhooks.h (lhd_signed_or_unsigned_type): New.
3513         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3514
3515 2007-03-30  Richard Henderson  <rth@redhat.com>
3516
3517         * tree-ssa-loop-ivopts.c: Include target.h.
3518         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3519         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3520         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3521         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3522
3523 2007-03-30  Richard Henderson  <rth@redhat.com>
3524             Kai Tietz  <kai.tietz@onevision.com>
3525
3526         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3527         default for 64-bit.
3528         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3529         (TARGET_64BIT_MS_ABI): New.
3530         (DBX_REGISTER_NUMBER): Handle 64-bit.
3531         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3532         (LONG_TYPE_SIZE): Force to 32.
3533         (REG_PARM_STACK_SPACE): New.
3534         (OUTGOING_REG_PARM_STACK_SPACE): New.
3535         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3536         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3537         (STACK_BOUNDARY): Use 128 for 64-bit.
3538         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3539         Add 64-bit implementation.
3540         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3541         argument unused.
3542         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3543         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3544         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3545         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3546         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3547         TARGET_64BIT_MS_ABI.
3548         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3549         (ix86_pass_by_reference): Likewise.
3550         (ix86_function_value_regno_p): Likewise.
3551         (ix86_build_builtin_va_list): Likewise.
3552         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3553         (function_arg_advance_ms_64): New.
3554         (function_arg_advance): Call it.
3555         (function_arg_ms_64): New.
3556         (function_arg): Call it.
3557         (function_value_ms_64): New.
3558         (ix86_function_value_1): Call it.
3559         (return_in_memory_ms_64): New.
3560         (ix86_return_in_memory): Call it.
3561         (setup_incoming_varargs_ms_64): New.
3562         (ix86_setup_incoming_varargs): Call it.
3563         (ix86_expand_prologue): Handle 64-bit stack probing.
3564         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3565         (output_pic_addr_const): Likewise.
3566         (x86_this_parameter): Likewise.
3567         (x86_output_mi_thunk): Likewise.
3568         (x86_function_profiler): Likewise.
3569         (TARGET_STRICT_ARGUMENT_NAMING): New.
3570         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3571         (TARGET_64BIT_MS_ABI): New.
3572         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3573         * config/i386/i386.md (allocate_stack_worker): Remove.
3574         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3575         describe the clobber of eax without a match_scratch.
3576         (allocate_stack_worker_postreload): Remove.
3577         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3578         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3579         (allocate_stack_worker_rex64_postreload): Remove.
3580         (allocate_stack): Handle 64-bit.
3581         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3582         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3583         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3584         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3585         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3586         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3587         * config.build (x86_64-*-mingw*): New host.
3588         * config.host (x86_64-*-mingw*): New host.
3589         * config.gcc (x86_64-*-mingw*): New target.
3590         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3591
3592 2007-03-30  Richard Henderson  <rth@redhat.com>
3593             Kai Tietz  <kai.tietz@onevision.com>
3594
3595         * c-pragma.c (struct def_pragma_macro_value): New.
3596         (struct def_pragma_macro): New.
3597         (pushed_macro_table): New.
3598         (dpm_hash, dpm_eq): New.
3599         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3600         (init_pragma): Install them.
3601         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3602
3603 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3604
3605         * config/avr/avr.c (avr_override_options): Clear
3606         'flag_delete_null_pointer_checks'.
3607
3608 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3609
3610         PR c++/26099
3611         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3612         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3613         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3614         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3615         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3616         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3617         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3618         C++ extensions.
3619         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3620
3621 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3622
3623         * regmove.c: Move all of pass_stack_adjustments from here...
3624         * combine-stack-adj.c: ...to this new file.
3625         * Makefile.in: Add rules for combine-stack-adj.o.
3626
3627 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3628
3629         PR tree-optimization/31383
3630         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3631         to have the same length.
3632
3633 2007-03-30  Jan Hubicka  <jh@suse.cz>
3634
3635         PR middle-end/30700
3636         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3637         availablility; add more sanity checking; ask varpool only about
3638         VAR_DECL.
3639
3640 2007-03-29  Richard Henderson  <rth@redhat.com>
3641
3642         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3643         to decide, but __SIZEOF_LONG_LONG__.
3644
3645 2007-03-29  Richard Henderson  <rth@redhat.com>
3646
3647         * emutls.c (struct __emutls_array): New.
3648         (emutls_destroy): Use it instead of casting element 0 from void*.
3649         (__emutls_get_address): Likewise.
3650
3651 2007-03-29  Richard Henderson  <rth@redhat.com>
3652
3653         * varasm.c (initializer_constant_valid_p): Don't deny
3654         DECL_DLLIMPORT_P on functions.
3655
3656         * config/i386/cygming.h: Remove function declarations.
3657         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3658         (ASM_OUTPUT_LABELREF): Remove.
3659         (COMMON_ASM_OP): Remove.
3660         (ASM_OUTPUT_COMMON): Remove.
3661         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3662         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3663         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3664         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3665         Rename from TARGET_ENCODE_SECTION_INFO.
3666         * config/i386/netware.h: Likewise.
3667         * config/i386/i386-protos.h: Update.
3668         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3669         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3670         (legitimate_constant_p): Reject dllimports.
3671         (dllimport_map, get_dllimport_decl): New.
3672         (legitimize_dllimport_symbol): New.
3673         (legitimize_address, ix86_expand_move): Use it.
3674         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3675         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3676         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3677         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3678         * config/i386/predicates.md (constant_call_address_operand): Only
3679         accept symbols; reject dllimport_p symbols.
3680         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3681         i386_pe_maybe_record_exported_symbol.
3682         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3683         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3684         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3685         trust the setting of DECL_DLLIMPORT_P.
3686         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3687         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3688         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3689         tidy the argument scanning loop.
3690         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3691         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3692         (i386_pe_strip_name_encoding): Remove.
3693         (i386_pe_binds_local_p): New.
3694         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3695         (i386_pe_output_labelref): Remove.
3696         (i386_pe_asm_output_aligned_decl_common): New.
3697         (i386_pe_maybe_record_exported_symbol): Rename from
3698         i386_pe_record_exported_symbol; check for dllexported symbols.
3699
3700 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3701
3702         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3703         add comment explaining why vsnprintf cannot be used.
3704
3705 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3706
3707         PR tree-optimization/30666
3708         * tree.c (build_complex_type): When creating type names for DWARF2
3709         debug info, create TYPE_DECLs for TYPE_NAME instead of
3710         IDENTIFIER_NODEs.
3711         (build_common_tree_nodes_2): Use build_complex_type when building
3712         predefined complex types, to preserve canonical types.
3713
3714 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3715
3716         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3717         (noce_get_alt_condition): Look at it to determine whether to
3718         reverse the condition or not.
3719         (noce_get_condition): Substitute the truth for lies.
3720         (noce_find_if_block): Set the then_else_reversed field.
3721
3722 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3723
3724         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3725         destination of this insn.
3726         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3727         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3728         'address + 4' rather than a stack based temporary which can be
3729         mis-optimized away.
3730
3731 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3732
3733         * config/s390/s390.c (s390_secondary_input_reload_class,
3734         s390_secondary_output_reload_class): Functions removed.
3735         (s390_secondary_reload): New function.
3736         (TARGET_SECONDARY_RELOAD): Target macro defined.
3737         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3738         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3739         * config/s390/s390.md ("reload_outti", "reload_outdi",
3740         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3741         "reload_out<mode>"): Expanders removed.
3742         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3743         "reload<mode>_nonoffmem_out"): Expanders added.
3744
3745 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3746
3747         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3748         SRC->DEST replacement failed anyway.
3749
3750 2007-03-28  Mike Stump  <mrs@apple.com>
3751
3752         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3753         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3754         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3755
3756 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3757
3758         * config.gcc: Accept barcelona as a variant of amdfam10.
3759         * config/i386/i386.c (override_options): Likewise.
3760         * doc/invoke.texi: Likewise.
3761
3762 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3763
3764         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3765         offsets for BIT_FIELD_REF and COMPONENT_REF.
3766
3767 2007-03-28  Richard Guenther  <rguenther@suse.de>
3768
3769         * tree.c (is_global_var): Move ...
3770         * tree-flow-inline.h (is_global_var): ... here.
3771         * tree.h (is_global_var): Remove declaration.
3772
3773 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3774
3775         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3776         option.
3777         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3778         * config/i386/i386.c (ix86_tune_features): Initialize new
3779         tuning option.
3780         * config/i386/predicates.md (promotable_binary_operator): Use
3781         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3782
3783 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3784
3785         PR target/31380
3786         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3787
3788 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3789
3790         * config/fr30/fr30.md (movsi_internal): Change destination
3791         constraint from m to V and add m to the end.
3792
3793 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3794
3795         * config/sh/sh.md (movsi_i): Fix type attribute.
3796
3797 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3798
3799         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3800         (movsf_ie): Likewise.
3801
3802 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3803
3804         * config.gcc: Add sh4-300 to multilib.
3805         * config/sh/t-mlib-sh4-300: New file.
3806
3807 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3808
3809         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3810         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3811         fix_trunc<mode>di2.
3812         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3813         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3814         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3815         "fixuns_trunctddi2"): Whitespace fix.
3816
3817 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3818
3819         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3820         the definition of struct sh_args.
3821         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3822         CALL_COOKIE_INT_REG_GET): Likewise.
3823
3824 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3825
3826         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3827         transformations are applied successfully.
3828
3829 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3830
3831         * tree.c (tree_contains_struct): Permit 512 tree codes.
3832         * tree.h (tree_contains_struct): Ditto.
3833         (MAX_TREE_CODES): Ditto.
3834         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3835         SPARE member to store remaining padding bits.
3836
3837 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3838
3839         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3840         architecture.
3841
3842 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3843
3844         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3845         * configure: Regenerate.
3846
3847         * configure: Regenerate using the correct version of autoconf.
3848
3849 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3850
3851         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3852         pointer regs.
3853         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3854         regs to "__SP_L__" and "__SP_H__".
3855
3856 2007-03-27  Richard Guenther  <rguenther@suse.de>
3857
3858         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3859         computations with it with a HOST_WIDE_INT variable.
3860
3861 2007-03-26  Mike Stump  <mrs@apple.com>
3862
3863         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3864         objective-c-header, objective-c++-header and objc++-cpp-output
3865         support.
3866         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3867
3868 2007-03-26  Richard Henderson  <rth@redhat.com>
3869
3870         PR target/31361
3871         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3872         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3873         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3874         IX86_BUILTIN_PSRLQ128): New.
3875         (ix86_init_mmx_sse_builtins): Add them.
3876         (ix86_expand_builtin): Expand them.
3877         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3878         operand 2 be TImode.
3879         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3880         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3881         _mm_srli_epi64): Mark __B const.
3882         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3883         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3884         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3885         new two-vector shift builtins.
3886
3887 2007-03-26  Ian Lance Taylor  <iant@google.com>
3888
3889         PR tree-optimization/31345
3890         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3891         [+INF, +INF(OVF)] into VARYING.
3892
3893 2007-03-26  Zack Weinberg  <zackw@panix.com>
3894
3895         * gengtype-parse.c: New file.
3896         * gengtype-yacc.y: Delete.
3897         * gengtype-lex.l: Don't include gengtype-yacc.h.
3898         Define YY_DECL and yyterminate appropriately for recursive
3899         descent parser.  yylval is now a string out-parameter to yylex.
3900         (HWS, EOID): New shorthand.
3901         (IWORD): Add a couple more types.
3902         (yylex): Add a setup stanza.  Remove the complex rules for
3903         detecting GTY'ed types and typedefs; replace with simple
3904         keyword detectors.  Adjust everything for the changed
3905         definition of yylval.  Ignore all pp-directives, not just #define.
3906         (yyerror): Delete.
3907         (parse_file): Rename yybegin; do not call yyparse.
3908         (yyend): New.
3909         * gengtype.c (xasprintf): Export again.
3910         (this_file): New.  Use everywhere __FILE__ was being used.
3911         (get_lang_bitmap): Special case types defined in gengtype.c.
3912         (do_typedef, new_structure): Suppress definition of certain types.
3913         (new_structure): Improve diagnostics of duplicate definitions.
3914         Make sure location_s is associated with input.h.
3915         (nreverse_pairs, define_location_structures): New functions.
3916         (main): Improve tagging of kludge types.  Remove old kludges
3917         for input.h types; use define_location_structures.
3918         * gengtype.h: Update prototypes.  Define token codes here.
3919         * Makefile.in: Remove all references to gengtype-yacc.
3920         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3921         and gengtype.
3922         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3923         add GTY((skip)) to the field that's only conditionally there.
3924         * doc/install.texi: Document that Bison is no longer required
3925         unless building treelang.
3926
3927         * gengtype.c: Don't include gtyp-gen.h.
3928         (srcdir): Declare here.
3929         (base_files, lang_dir_names): Allocate dynamically.
3930         (gt_files, num_gt_files, num_lang_dirs): New globals.
3931         (measure_input_list, read_input_line, read_input_list)
3932         (set_lang_bitmap): New functions.
3933         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3934         simplify, relying on read_input_list to set up the bitmaps.
3935         (main): Arguments are no longer unused.  Check for correct number
3936         of command line arguments, set srcdir and srcdir_len, then call
3937         read_input_list, before doing anything else.  No need to worry
3938         about duplicates in main loop.
3939         * configure.ac: Simplify the calculation of all_gtfiles.
3940         Put language tags in there.  Don't set or substitute
3941         all_gtfiles_files_langs or all_gtfiles_files_frags.
3942         * Makefile.in: Revamp the way gengtype is invoked, now that it
3943         takes a file on its command line with a much simpler format.
3944         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3945         (GTFILES): Remove duplicates and C source files.
3946         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3947         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3948         * configure: Regenerate.
3949
3950         * gengtype.h: Remove all type definitions to gengtype.c; leave
3951         only definitions of options_p, type_p, and pair_p as opaque
3952         pointers.  Update prototypes.
3953         * gengtype.c: Many type definitions moved here from gengtype.h.
3954         Consolidate type definitions at the top of the file.
3955         (xvasprintf): Delete.
3956         (xasprintf): Make static.
3957         (create_nested_pointer_option): Add 'next' parameter.
3958         (create_field_all, create_field_at): New functions.
3959         (create_field): Now a thin wrapper around create_field_all.
3960         (create_optional_field): Rename create_optional_field_ and add
3961         line argument.  Original name is now a macro which supplies
3962         __LINE__.
3963         (oprintf): Use vsnprintf directly.
3964         (close_output_files): Use fatal rather than perror/exit.
3965         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3966         (main): Set progname.  Don't use exit.
3967         * gengtype-yacc.y (struct_fields): Use create_field_at.
3968         (option, optionseqopt): Delete.
3969         (optionseq): Consolidate productions from option here so we
3970         can use the first argument to create_option.
3971
3972         * gengtype-lex.l: Distinguish unions from structures in the
3973         token type.  Don't call find_structure; return the tag as a string.
3974         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3975         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3976         Reorganize typedef_struct production accordingly.
3977         Use create_nested_ptr_option.
3978         * gengtype.c (create_nested_ptr_option): New function.
3979         * gengtype.h: Declare it.
3980
3981         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3982         (string_type): Don't declare.
3983         (do_scalar_typedef): Declare.
3984         (create_scalar_type): Update prototype.
3985         * gengtype.c (string_type): Make static.
3986         (scalar_nonchar, scalar_char): New.
3987         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3988         (resolve_typedef): Use scalar_nonchar for error recovery.
3989         (create_scalar_type): Remove name_len field.  Return scalar_char
3990         or scalar_nonchar as appropriate.
3991         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3992         to use string_type.
3993         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3994         whenever possible.
3995         (main): Initialize scalar_char and scalar_nonchar before calling
3996         gen_rtx_next.
3997         * gengtype-lex.l: Adjust for removal of second argument to
3998         create_scalar_type.  Use yylval.s instead of yylval.t when
3999         returning SCALAR.
4000         * gengtype-yacc.y: Type of SCALAR is string.  Call
4001         create_scalar_type from type:SCALAR rule.  Adjust for removal of
4002         second argument to create_scalar_type.
4003
4004         * vec.h: Remove all #if IN_GENGTYPE blocks.
4005         Add comment saying that changes may require adjustments to gengtype.
4006         * gengtype.c: Don't include coretypes.h or tm.h.
4007         Add comment to inclusion of errors.h.
4008         (note_def_vec, note_def_vec_alloc): New functions.
4009         * gengtype.h: Declare new functions.
4010         * gengtype-lex.l: Don't include coretypes.h.
4011         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
4012         Delete.
4013         (update_lineno): Remove unnecessary prototype.
4014         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
4015         (VEC rule): Just return VEC_TOKEN.
4016         * gengtype-yacc.y (VEC_TOKEN): New token type.
4017         (type): Add a production for VEC(a,b).
4018         * Makefile.in: Update dependencies.
4019
4020         * gengtype-lex.l: Remove rules for parsing pointer-to-function
4021         typedefs that use the old PARAMS macro.
4022
4023         * gengtype-lex.l: Remove all rules and states relating to yacc
4024         input files.
4025         * gengtype-yacc.y: Similarly.
4026         * gengtype.c (note_yacc_type): Delete function.
4027         * gengtype.h: Update prototypes.
4028
4029 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
4030
4031         * tree-pretty-print.c (dump_generic_node): Report precision of
4032         unnamed integer types.
4033
4034 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
4035
4036         * ifcvt.c (noce_try_store_flag_constants): Don't check
4037         no_new_pseudos here.
4038         (noce_try_store_flag_constants): Don't check no_new_pseudos.
4039         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
4040         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
4041         noce_try_sign_mask): Likewise.
4042         (if_convert): Check no_new_pseudos here.
4043
4044         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
4045         Remove prototypes.
4046         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
4047         (noce_get_condition): Handle new then_else_reversed argument.
4048         (noce_init_if_info): Remove, fold into noce_find_if_block.
4049         (noce_process_if_block): Take a struct noce_if_info as the
4050         argument.  Don't set up one based on ce_if_info.  Update pointer
4051         references accordingly.
4052         (cond_move_process_if_block): Likewise.
4053         (process_if_block): Removed.
4054         (find_if_block): Removed.  Move functionality two new functions,
4055         noce_find_if_block and cond_exec_find_if_block.
4056         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
4057         blocks and the symmetric IF-ELSE-JOIN case.
4058         (cond_exec_find_if_block): Also new function mostly based on old
4059         find_if_block and process_if_block.
4060         (find_if_header): Replace find_if_block call with separately
4061         guarded calls to noce_find_if_block and cond_exec_find_if_block.
4062         (find_cond_trap): Update noce_get_condition call.
4063         (dead_or_predicable): Likewise.
4064
4065 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
4066
4067         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
4068         Remove.
4069         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
4070         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
4071         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
4072         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
4073         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
4074         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
4075         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
4076         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
4077         __builtin_ia32_psrad128 builtins.
4078
4079 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
4080
4081         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
4082         * config/i386/constraints.md
4083         (define_constraint "I"): Use IN_RANGE macro.
4084         (define_constraint "J"): Ditto.
4085         (define_constraint "K"): Ditto.
4086         (define_constraint "M"): Ditto.
4087         (define_constraint "N"): Ditto.
4088         (define_constraint "O"): Ditto.
4089         * config/i386/predicates.md
4090         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
4091         (define_predicate "const_0_to_3_operand"): Ditto.
4092         (define_predicate "const_0_to_7_operand"): Ditto.
4093         (define_predicate "const_0_to_15_operand"): Ditto.
4094         (define_predicate "const_0_to_63_operand"): Ditto.
4095         (define_predicate "const_0_to_255_operand"): Ditto.
4096         (define_predicate "const_1_to_31_operand"): Ditto.
4097         (define_predicate "const_2_to_3_operand"): Ditto.
4098         (define_predicate "const_4_to_7_operand"): Ditto.
4099
4100 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4101
4102         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
4103         in SImode for save_world.
4104         * config/rs6000/altivec.md (save_world, restore_world): Convert to
4105         LR hard reg.
4106
4107 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
4108
4109         PR tree-optimization/30784
4110         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
4111         BIT_FIELD_REF.
4112
4113 2007-03-25  Revital Eres  <eres@il.ibm.com>
4114
4115         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
4116           Fold movement_possibility function into it.
4117
4118 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4119
4120         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
4121         (load_macho_picbase_{si,di}): Convert to LR hard reg.
4122         (call_indirect_nonlocal_darwin64): Same.
4123         (call_nonlocal_darwin64): Same.
4124         (call_value_indirect_nonlocal_darwin64): Same.
4125         (call_value_nonlocal_darwin64): Same.
4126         (sibcall_nonlocal_darwin64): Same.
4127         (sibcall_value_nonlocal_darwin64): Same.
4128         (sibcall_symbolic_64): Same.
4129         (sibcall_value_symbolic_64): Same.
4130         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
4131         LR pseudo.
4132         (rs6000_emit_load_toc_table): Same.
4133         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
4134         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
4135         (mull_call): Same.
4136         (divss_call): Same.
4137         (divus_call): Same.
4138         (quoss_call): Same.
4139         (quous_call): Same.
4140         (load_toc_v4_pic_si): Same
4141         (load_toc_v4_PIC_1): Same.
4142         (load_toc_v4_PIC_1b): Same.
4143         (call_indirect_aix{32,64}): Same.
4144         (call_value_indirect_aix{32,64}): Same.
4145         (call): Same.
4146         (call_value): Same.
4147         (call_local{32,64}): Same.
4148         (call_value_local{32,64}): Same.
4149         (call_indirect_nonlocal_aix{32,64}): Same.
4150         (call_nonlocal_aix{32,64}): Same.
4151         (call_value_indirect_nonlocal_aix{32,64}): Same.
4152         (call_value_nonlocal_aix{32,64}): Same.
4153         (call_indirect_nonlocal_sysv<mode>): Same.
4154         (call_nonlocal_sysv<mode>): Same.
4155         (call_value_indirect_nonlocal_sysv<mode>): Same.
4156         (call_value_nonlocal_sysv<mode>): Same.
4157         (sibcall): Same.
4158         (sibcall_local{32,64}): Same.
4159         (sibcall_value_local{32,64}): Same.
4160         (sibcall_nonlocal_aix{32,64}): Same.
4161         (sibcall_value_nonlocal_aix{32,64}): Same.
4162         (sibcall_nonlocal_sysv<mode>): Same.
4163         (sibcall_value): Same.
4164         (sibcall_value_nonlocal_sysv<mode>): Same.
4165
4166 2007-03-24  Paul Brook  <paul@codesourcery.com>
4167
4168         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
4169         * config/arm/linux-eabi.h: Remove legacy syscall hack.
4170
4171 2007-03-24  Richard Henderson  <rth@redhat.com>
4172
4173         * config/ia64/constraints.md: New file.
4174         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
4175         satisfies_constraint_?.
4176         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
4177         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
4178         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
4179         ia64_output_mi_thunk): Likewise.
4180         (ia64_const_ok_for_letter_p): Remove.
4181         (ia64_const_double_ok_for_letter_p): Remove.
4182         (ia64_extra_constraint): Remove.
4183         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
4184         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
4185         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
4186         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
4187         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
4188         EXTRA_MEMORY_CONSTRAINT): Remove.
4189         * config/ia64/ia64.md: Include constriants.md.  Replace
4190         CONST_OK_FOR_? with satisfies_constraint_?.
4191
4192 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
4193             H.J. Lu  <hongjiu.lu@intel.com>
4194
4195         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4196         DPD or BID name.
4197         (name macros): Use DPD_BID_NAME to convert names properly.
4198
4199         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4200         decimal floating point format.
4201         (init_floating_libfuncs): Change decimal functions so that they
4202         have a "bid_" prefix if the decimal system uses the BID format,
4203         and "dpd_" prefix if the decimal system uses the DPD format.
4204         (init_interclass_conv_libfuncs): Ditto.
4205         (init_intraclass_conv_libfuncs): Ditto.
4206
4207         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4208         using the BID format.
4209
4210         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4211         whether we are using the BID decimal format.
4212         * configure: Regenerate.
4213
4214         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4215         the compiler has decimal floating point enabled.  Define
4216         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4217         instead of DPD.
4218
4219         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4220         using the BID format.
4221
4222         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4223         whether we are using the BID decimal format.
4224         * configure: Regenerate.
4225
4226         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4227         the compiler has decimal floating point enabled.  Define
4228         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4229         instead of DPD.
4230
4231         * doc/install.texi (--enable-decimal-float): Document BID and DPD
4232         options, and that it is enabled for i386/x86_64 systems.
4233
4234         * Makefile.in (enable_decimal_float): New.
4235         (DECNUMFMT): New.
4236         (DECNUMINC): Add  -I$(DECNUMFMT).
4237         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4238         to $(DECNUMFMT) from $(DECNUM).
4239
4240         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4241         Substitute enable_decimal_float.
4242         * configure: Regenerated.
4243
4244         PR other/30529
4245         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4246         unsigned long.
4247
4248         * configure.ac: Enable decimal float for x86_64-*-linux*.
4249         * configure: Regenerated.
4250
4251         PR other/30530
4252         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4253         decimal128ClearSign to flip and clear the sign bit in decimal128.
4254         (decimal_real_maxval): Set decimal128SetSign to set the sign
4255         bit in decimal128.
4256
4257 2007-03-23  Ian Lance Taylor  <iant@google.com>
4258
4259         * fold-const.c (fold_binary): Correct warning for X - c >= X.
4260
4261 2007-03-23  Ian Lance Taylor  <iant@google.com>
4262
4263         * tree-dump.c (dump_files): Correct comment.
4264
4265 2007-03-23  Ian Lance Taylor  <iant@google.com>
4266
4267         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4268
4269 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4270
4271         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4272         in cfglayout mode.  Don't go into and out of cfglayout mode.
4273         Link the blocks in the order of the constructed traces.
4274         (rest_of_handle_tracer): Adjust call to tracer.
4275         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4276         Don't go into cfglayout mode.
4277         (rtl_loop_done): Don't go out of cfglayout mode.
4278         * cfglayout.c (relink_block_chain): New function, split out from...
4279         (fixup_reorder_chain): ...here.  Remove redundant checking.
4280         (cfg_layout_finalize): Don't clear the header, footer, and aux
4281         fields here, move the code to do so to relink_block_chain.  Likewise
4282         for free_original_copy_tables.
4283         * rtl.h (tracer): Update prototype.
4284         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4285         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4286         mode.  Use relink_block_chain to serialize the CFG according to the
4287         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4288         here...
4289         (gate_handle_reorder_blocks): ...to here.
4290         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4291         from here...
4292         (gate_duplicate_computed_gotos): ...to here.
4293         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4294         something always changes when going into and out of cfglayout mode.
4295         Perform an expensive cfg cleanup while going into cfglayout mode.
4296         Always update liveness information on HAVE_conditional_execution
4297         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4298         * reg-stack.c: Include cfglayout.h.
4299         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4300         the call to reorder_basic_blocks.
4301         * basic-block.h (reorder_basic_blocks): Update prototype.
4302         (relink_block_chain): New prototype.
4303         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4304
4305 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4306
4307         * config/mips/mips.md (type, hazard, *movdi_32bit,
4308         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4309         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4310         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4311         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4312         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4313         applicable.
4314         (movcc): Change first xfer to multi.
4315         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4316         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4317         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4318         config/mips/generic.md: Change reservations using "xfer" to use
4319         "mfc,mtc".
4320         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4321         using match_operand.
4322         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4323         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4324         examining mode.
4325         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4326
4327 2007-03-22  Richard Henderson  <rth@redhat.com>
4328
4329         * config/i386/i386.c: Remove unnecessary function declarations.
4330         Move targetm definition, and all related macros, to the end of
4331         the file.  Resort some functions to put definitions before uses.
4332         (ix86_attribute_table): Make static.  Move to end of file.
4333         (ix86_gimplify_va_arg): Make static.
4334
4335 2007-03-22  Richard Henderson  <rth@redhat.com>
4336
4337         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4338         don't increase local_regparm with force_align_arg_pointer check.
4339         (ix86_function_sseregparm): Assert 32-bit.
4340         (type_has_variadic_args_p): New.
4341         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4342         type_has_variadic_args_p.
4343         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4344         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4345         use memset instead.  Do maybe_vaarg check first; skip attribute
4346         tests if true; skip attribute tests for 64-bit.
4347         (construct_container): Remove TARGET_DEBUG_ARG.
4348         (function_arg_advance_32, function_arg_advance_64): Split out ...
4349         (function_arg_advance): ... from here.
4350         (function_arg_32, function_arg_64): Split out ...
4351         (function_arg): ... from here.
4352         (ix86_pass_by_reference): Tidy.
4353         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4354         (function_value_32): New, from parts of ix86_function_value
4355         and ix86_value_regno.
4356         (function_value_64): New, from parts of ix86_function_value
4357         and ix86_libcall_value.
4358         (ix86_function_value_1): New.
4359         (ix86_function_value, ix86_libcall_value): Use it.
4360         (return_in_memory_32, return_in_memory_64): Split out ...
4361         (ix86_return_in_memory): ... from here.
4362         (ix86_struct_value_rtx): Skip for 64-bit.
4363         (ix86_libcall_value, ix86_value_regno): Remove.
4364         (setup_incoming_varargs_64): Split out ...
4365         (ix86_setup_incoming_varargs): ... from here.
4366         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4367         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4368         * config/i386/i386-protos.h (ix86_function_value): Remove.
4369         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4370
4371 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4372
4373         PR other/23572
4374         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4375         infinities not supported, otherwise emit warning if -Woverflow. On
4376         underflow, emit warning if -Woverflow.
4377         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4378         and 0 otherwise.
4379         * real.h (real_from_string): Update declaration
4380
4381 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4382             Richard Henderson  <rth@redhat.com>
4383
4384         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4385         * calls.c (compute_argument_block_size, expand_call,
4386         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4387         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4388         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4389         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4390         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4391         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4392         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4393         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4394         Set to 1.
4395
4396 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4397
4398         * c-incpath.c (add_sysroot_to_chain): New.
4399         (merge_include_chains): Add sysroot argument.  Call
4400         add_sysroot_to_chain if sysrooted.
4401         (register_include_chains): Update call to merge_include_chains.
4402         * doc/cppopts.texi: Document use of '=' in include directory
4403         arguments.
4404
4405 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4406
4407         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4408         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4409         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4410         insn pattern using X87MODEF12 mode macro.
4411
4412 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4413
4414         * regmove.c (regmove_optimize): Use reg_mentioned_p
4415         instead of reg_overlap_mentioned_p for DST.
4416
4417 2007-03-21  Mike Stump  <mrs@apple.com>
4418
4419         * c.opt: Fixup for Objective-C/C++.
4420
4421 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4422
4423         * explow.c (convert_memory_address): Fold memory reference when
4424         POINTERS_EXTEND_UNSIGNED < 0
4425
4426 2007-03-21  Richard Henderson  <rth@redhat.com>
4427
4428         PR target/31245
4429         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4430         * config/i386/mmintrin.h (__m64): Likewise.
4431         * config/i386/xmmintrin.h (__m128): Likewise.
4432
4433 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4434
4435         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4436         (VXWORKS_OS_CPP_BUILTINS): Define.
4437         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4438         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4439
4440 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4441
4442         * rtl.h (constant_pool_reference_p): Delete.
4443         (find_constant_src): Declare.
4444         * rtlanal.c (find_constant_src): New function.
4445         * simplify-rtx.c (constant_pool_reference_p): Delete.
4446         * config/i386/i386.md: Use find_constant_src instead of
4447         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4448
4449 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4450
4451         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4452         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4453
4454 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4455
4456         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4457         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4458         (arm_elf_asm_constructor): Use it.
4459         (arm_elf_asm_destructor): New function.
4460
4461 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4462
4463         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4464
4465 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4466
4467         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4468
4469 2007-03-19  Andrew Haley  <aph@redhat.com>
4470
4471         PR tree-optimization/31264
4472         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4473         VIEW_CONVERT_EXPRs.
4474
4475 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4476
4477         PR rtl-optimization/30907
4478         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4479         (fwprop_init): Always call loop_optimizer_initialize.
4480         (fwprop_done): Always call loop_optimizer_finalize.
4481         (fwprop): We always have loop info now.
4482         (gate_fwprop_addr): Remove.
4483         (pass_fwprop_addr): Use gate_fwprop as gate.
4484
4485         PR rtl-optimization/30841
4486         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4487         df_chain_alloc): Call df_reorganize_refs unconditionally.
4488         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4489         refs_organized to refs_organized_size.
4490         (df_ref_create_structure): Use refs_organized_size instead of
4491         bitmap_size if refs had been organized, and keep refs_organized_size
4492         up-to-date.
4493         * df.h (struct df_ref_info): Change refs_organized to
4494         refs_organized_size.
4495         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4496         bitmap_size.
4497
4498 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4499
4500         * except.c (output_function_exception_table): Do not reference the
4501         EH personality routine for functions that do not require an
4502         exception table.
4503
4504 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4505
4506         PR c/30762
4507         * c-typeck.c (convert_for_assignment): Call comptypes for
4508         RECORD_TYPE or UNION_TYPE.
4509
4510         PR inline-asm/30505
4511         * reload1.c (reload): Do invalid ASM checking after
4512         cleanup_subreg_operands.
4513
4514 2007-03-19  Jeff Law  <law@redhat.com>
4515
4516         * tree-cfg.c (find_taken_edge): Tighten conditions for
4517         optimizing computed gotos.
4518
4519 2007-03-19  Michael Matz  <matz@suse.de>
4520
4521         * builtins.c (expand_builtin_sync_operation,
4522         expand_builtin_compare_and_swap,
4523         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4524         correctly.
4525
4526         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4527         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4528         for operand 3.
4529
4530 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4531
4532         * doc/tm.texi: Add brackets around the return type of
4533         TARGET_SECONDARY_RELOAD.
4534
4535 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4536         Richard Guenther  <rguenther@suse.de>
4537
4538         PR tree-optimization/31254
4539         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4540         Use handled_component_p () where appropriate.  Continue
4541         propagating into the rhs if we propagated into an INDIRECT_REF
4542         on the lhs.
4543
4544 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4545
4546         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4547         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4548         (xde, xdee): Mode attributes adjusted to support DFP modes.
4549         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4550         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4551         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4552         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4553         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4554         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4555         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4556         numbers.
4557         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4558         "movsf"): Insn definitions removed.
4559         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4560         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4561         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4562         definitions added.
4563         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4564         "reload_in<mode>", "reload_out<mode>"): Expander added.
4565         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4566         Expander removed.
4567
4568 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4569
4570         * config/s390/s390.md: Only non-functional changes.  Renamed
4571         FPR mode macro to BFP all over the file.
4572
4573 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4574
4575         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4576         (op_type attribute): RRF instruction type added.
4577         (fT0): New mode attribute.
4578         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4579         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4580         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4581         no secondary memory is needed when moving DFmode values between GPRs
4582         and FPRs.
4583
4584 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4585
4586         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4587         inverted and documentation adjusted.
4588         ("mhard-dfp", "msoft-dfp"): New options.
4589         * config/s390/s390.c (s390_handle_arch_option): New architecture
4590         switch: z9-ec.
4591         (override_options): Sanity checks for the new options added.
4592         * config.gcc: New architecture switch: z9-ec.
4593         * config/s390/s390.h (processor_flags): PF_DFP added.
4594         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4595         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4596         when the bit is NOT set so remove it from the defaults.
4597
4598 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4599
4600         * genemit.c (main): Print include statement for dfp.h.
4601         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4602         is not available.
4603
4604 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4605
4606         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4607
4608 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4609
4610         PR target/31022
4611         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4612         instead of PATTERN.
4613
4614 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4615
4616         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4617         attr_length_call, output_call, output_indirect_call): Cleanup
4618         formatting of targetm calls.
4619
4620 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4621
4622         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4623
4624 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4625
4626         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4627         reservation, bypass and anti-bypass descriptions for these instructions.
4628         Update move patterns.
4629         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4630         TYPE_FPSTORE.
4631
4632 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4633
4634         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4635         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4636         (get_initial_def_for_reduction): Likewise.
4637
4638 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4639
4640         Fix PR tree-optimization/29922
4641         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4642         (get_representative): Removed.
4643         (value_dies_in_block_x): Update for rvuse removal.
4644         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4645         (compute_antic_aux): Handle when PHI nodes appear in
4646         non-single-successors.
4647         (dump_bitmap_of_names): Removed.
4648         (compute_antic_safe): Renamed and removed rvuse calculation.
4649         Calculate only antic safe.
4650         (insert_into_preds_of_block): Remove assert.
4651         (execute_pre): Update for renamed functions.
4652         (defer_or_phi_translate_block): New function.
4653
4654 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4655
4656         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4657         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4658         typos.
4659         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4660         Follow spelling conventions.
4661
4662         * tree-data-ref.h: Remove the prototype for analyze_array.
4663
4664 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4665
4666         PR tree-optimization/31041
4667         * tree-vect-transform.c (get_initial_def_for_induction): Call
4668         force_gimple_operand.
4669
4670 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4671
4672         * ipa-type-escape.c (look_for_casts) : Revert code to use
4673         handled_component_p due to ada test a-numaux.adb.
4674
4675 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4676
4677         * final.c (final_scan_insn): Alter the condition of a
4678         conditional trap if we have nonstandard CC.
4679
4680 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4681
4682         * configure.ac: Remove excess quoting from asm line 0 test.
4683         * configure: Rebuilt.
4684
4685 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4686
4687         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4688         * c-common.c (convert_and_check): Move warning logic to...
4689         (warnings_for_convert_and_check): ...here. Define.
4690         * c-common.h (warnings_for_convert_and_check): Declare.
4691
4692 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4693
4694         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4695         (output_call): Likewise.
4696
4697 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4698
4699         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4700
4701 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4702
4703         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4704
4705 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4706
4707         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4708         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4709
4710 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4711
4712         PR tree-optimization/31183
4713         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4714         Use double_int instead of unsigned int for representing access_strides.
4715         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4716
4717 2007-03-16  Richard Guenther  <rguenther@suse.de>
4718
4719         PR tree-optimization/31146
4720         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4721         to allow recursion of forward_propagate_addr_expr.
4722         (forward_propagate_addr_into_variable_array_index): Likewise.
4723         (forward_propagate_addr_expr): Likewise.
4724         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4725         (forward_propagate_addr_expr_1): Recurse on simple copies
4726         instead of propagating into them.  Do so for useless conversions
4727         as well.
4728         (forward_propagate_addr_expr): Clean up unused statements after
4729         recursion.
4730
4731 2007-03-16  Richard Guenther  <rguenther@suse.de>
4732
4733         * builtins.c (expand_builtin_cexpi): Use the right argument
4734         for the expansion via cexp.
4735
4736 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4737
4738         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4739         * configure: Rebuilt.
4740
4741 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4742
4743         PR debug/29906
4744         * dwarf2out.c (force_type_die): Adjust comment.
4745         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4746
4747 2007-03-15  DJ Delorie  <dj@redhat.com>
4748
4749         * config/frv/predicates.md (minmax_operator): Don't check operands
4750         here.
4751
4752 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4753
4754         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4755         Update constant estimates of number of iterations.
4756         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4757         argument renamed to "realistic".
4758         (compute_estimated_nb_iterations): Removed.
4759         (record_niter_bound): New function.
4760         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4761         call record_nonwrapping_iv with upper = false.
4762         (infer_loop_bounds_from_signedness): Pass upper argument to
4763         record_nonwrapping_iv.
4764         (estimate_numbers_of_iterations_loop): Do not call
4765         compute_estimated_nb_iterations.  Record estimate based on profile
4766         information.  Initialize the constant estimates of number of
4767         iterations.
4768         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4769         estimates.
4770         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4771         number of iterations is too small.
4772         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4773         (EST_NOT_AVAILABLE): Removed.
4774         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4775         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4776         fields.
4777
4778 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4779
4780         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4781         Handle NE_EXPR guards.
4782
4783 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4784
4785         PR c++/24924
4786         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4787         Set also -pedantic-errors by default for the  preprocessor unless
4788         -fpermissive is given.
4789
4790 2007-03-15  Richard Guenther  <rguenther@suse.de>
4791
4792         PR middle-end/29719
4793         PR middle-end/31161
4794         * builtins.c (expand_builtin_cexpi): As a fallback if we
4795         don't have builtins for sincos or cexp create a function
4796         declaration for cexp and expand to a call to that.
4797         (expand_builtin_int_roundingfn): Always fall
4798         back to floor/ceil and its variants even if they may be
4799         not available.
4800
4801 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4802
4803         PR middle-end/31159
4804         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4805         jump tables, move the call to delete_dead_jumptables from here...
4806         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4807         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4808         don't allow merging of blocks that try_redirect_by_replacing_jump
4809         also does not handle when not optimizing.
4810
4811 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4812             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4813
4814         * config/i386/i386.md (x86_sahf_1): Correctly handle
4815         HAVE_AS_IX86_SAHF.
4816
4817 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4818
4819         PR target/31167
4820         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4821         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4822         from operand constraints and use "e" constraint instead.
4823         (*subti3_1, *subti3_1 splitter): Ditto.
4824         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4825         operand[1] predicate.
4826
4827 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4828
4829         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4830         arrays, multiply the access strides by the size of the sub-array.
4831         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4832
4833 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4834
4835         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4836         the configured assembler supports the sahf mnemonic.
4837         * configure: Regenerate.
4838         * config.in: Regenerate.
4839
4840         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4841         emit "sahf" or ".byte\t0x9e" as asm template.
4842
4843 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4844
4845         PR 31018
4846         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4847         option to replace hard coded TARGET_xxx in md file.
4848         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4849         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4850         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4851         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4852         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4853         (X86_TUNE_NOT_VECTORMODE): Ditto.
4854         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4855         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4856         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4857         (TUNE_SLOW_IMUL_IMM8): Ditto.
4858         (TUNE_MOVE_M1_VIA_OR): Ditto.
4859         (TUNE_NOT_UNPAIRABLE): Ditto.
4860         (TUNE_NOT_VECTORMODE): Ditto.
4861
4862         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4863         options.
4864
4865         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4866         tuning options instead of hard coded TARGET_xxx.
4867         (fix ssemode peephole2's): Ditto.
4868         (imul peephole2's): Ditto.
4869         (movsi_or): Ditto.
4870         (movdi_or_rex64): Ditto.
4871         (move peephole2): Ditto.
4872         (not peephole2's): Ditto.
4873
4874 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4875
4876         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4877         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4878         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4879         of empty body.
4880         * c-parser.c (c_parser_do_statement): Warn about empty body in
4881         do/while statement.
4882         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4883         * doc/invoke.texi (-Wempty-body): Update documentation.
4884
4885 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4886
4887         PR c/21438
4888         * c-common.h (warn_for_div_by_zero): Declare.
4889         * c-common.c (warn_for_div_by_zero): Define.
4890         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4891         warning.
4892
4893 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4894
4895         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4896         to PREFIX and STANDARD_PREFIX.
4897
4898 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4899             Phil Edwards  <phil@codesourcery.com>
4900
4901         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4902         (__gthread_once_t): Remove busy field for RTPs.
4903         (__GTHREAD_ONCE_INIT): Update accordingly.
4904
4905 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4906
4907         * doc/invoke.texi: Document VxWorks options.
4908
4909 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4910
4911         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4912
4913 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4914
4915         PR tree-optimization/30590
4916         * tree-nrv.c (tree_nrv): Check for the partial update of the
4917         return value.
4918
4919 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4920
4921         * flags.h (flag_random_seed): Remove declaration, in favor of...
4922         * toplev.h (get_random_seed, set_random_seed): ... these.
4923         * tree.c (get_file_function_name): Use the former.
4924         * opts.c (common_handle_option): Use the latter.
4925         * toplev.c
4926
4927 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4928
4929         PR middle-end/31127
4930         * cse.c (cse_find_path): Do not bail out if a basic block that
4931         we already visited now becomes part of a path that starts at a
4932         different basic block.  Just disallow this, to make sure we
4933         visit each basic block at most once.
4934
4935 2007-03-13  Jan Hubicka  <jh@suse.cz>
4936
4937         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4938         when profile esitmate is present, calls with very low frequency are
4939         cold.
4940
4941 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4942
4943         PR tree-optimization/30730
4944         PR tree-optimization/26900
4945         * tree-ssa-loop-niter.c: Include gmp.h.
4946         (bounds): New type.
4947         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4948         split_to_var_and_offset, determine_value_range,
4949         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4950         bound_difference, bounds_add, bounds_negate,
4951         number_of_iterations_ne_max, dump_affine_iv): New functions.
4952         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4953         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4954         difference of initial and final value of control iv to validate
4955         results.
4956         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4957         on the difference of the extremes of the control iv.  Add dumps.
4958         (expand_simple_operations): Handle phi nodes.
4959         (simplify_using_initial_conditions): Do not record used conditions.
4960         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4961         Do not set additional_info.
4962         (implies_nonnegative_p, implies_ge_p): Removed.
4963         (derive_constant_upper_bound): Do not use parameter `additional'.
4964         (record_estimate): Parameter `additional' removed.  Parameter
4965         `i_bound' added.  Do not call derive_constant_upper_bound.
4966         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4967         bound the number of iterations estimate.
4968         (estimate_numbers_of_iterations_loop): Pass the estimate from
4969         the number of iterations analysis to record_estimate.
4970         * tree.h (multiple_of_p): Declare.
4971         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4972         (scev_const_prop): Do not check expression_expensive_p.
4973         * fold-const.c (multiple_of_p): Exported.
4974         * double-int.c (double_int_mask): Exported.
4975         * double-int.h (double_int_mask): Declare.
4976         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4977         field.  Added max field.
4978
4979 2007-03-13  David Taylor  <taylor@candd.org>
4980
4981         PR driver/12448:
4982         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4983         default -MQ.
4984
4985 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4986
4987         PR target/31123
4988         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4989         two unamed patterns.
4990
4991 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4992
4993         * config/i386/i386.opt (mcx16, msahf): New options.
4994         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4995         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4996
4997         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4998         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4999         Output -mcx16 and -msahf options when corresponding bit is set.
5000
5001         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
5002         and -msahf options.
5003
5004 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
5005
5006         * configure.ac: Test for assembler tolerance to # 0 "".
5007         * configure, config.in: Rebuilt.
5008         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
5009
5010 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
5011
5012         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
5013
5014         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
5015         (handle_syscall): Handle direct system calls.
5016         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
5017
5018 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5019
5020         * doc/invoke.texi: Fix cpp.info cross-reference.
5021         * doc/passes.texi: Fix gcc.info cross-reference.
5022
5023 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
5024
5025         PR tree-optimization/30835
5026         * lambda-code.c (can_convert_to_perfect_nest): Check whether
5027         bb_for_stmt is not NULL before accessing it.
5028
5029 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
5030
5031         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
5032         some multilibs.
5033
5034 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5035
5036         PR 30635
5037         * doc/install.texi: Document --enable-stage1-languages
5038
5039 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
5040
5041         * tree-pass.h (pass_into_cfg_layout_mode,
5042         pass_outof_cfg_layout_mode): Declare.
5043         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
5044         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
5045         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
5046         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
5047
5048 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
5049
5050         * c-decl.c (warn_variable_length_array): New function.
5051         Refactored from grokdeclarator to handle warn_vla
5052         and handle unnamed array case.
5053         (grokdeclarator): Refactored VLA warning case.
5054         * c.opt (Wvla): New flag.
5055         * doc/invoke.texi (Wvla): New warning.
5056
5057 2007-03-12  Richard Henderson  <rth@redhat.com>
5058
5059         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
5060         (TARGET_SECTION_TYPE_FLAGS): New.
5061
5062 2007-03-12  Richard Henderson  <rth@redhat.com>
5063
5064         * config/darwin.c (machopic_reloc_rw_mask): New.
5065         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
5066         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
5067
5068 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
5069
5070         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
5071         * cppdefault.h (cpp_PREFIX): Document.
5072         (cpp_PREFIX_len): Likewise.
5073         (cpp_EXEC_PREFIX): New variable.
5074         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
5075         * c-incpath.c (add_standard_paths): Correct logic for relocating
5076         paths within prefix.
5077
5078 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
5079
5080         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
5081         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
5082         mode macro.
5083         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
5084         fix_truncdfdi_sse using SSEMODEF mode macro.
5085         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
5086         fix_truncdfsi_sse using SSEMODEF mode macro.
5087         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
5088         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
5089
5090 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
5091
5092         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
5093         elfos.h to tm_file.
5094
5095 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
5096
5097         * tree.h : Add multiple_of_p declaration.
5098         * fold-const.c (multiple_of_p): Make multiple_of_p public.
5099         * ipa-type-escape.c (results_of_malloc): Redundant.
5100         (visited_stmts): New. Visited stmt for walk_use_def_chains.
5101         (cast_type): Extended with new members.
5102         (check_cast): Returns cast_type.
5103         (cast): New structure for data of walk_use_def_chains.
5104         (is_malloc_result, is_cast_from_non_pointer_1,
5105         is_cast_from_non_pointer,
5106         is_array_access_through_pointer_and_index): New functions.
5107         (look_for_casts): Returns cast types.
5108         (check_call): Returns void.
5109         (okay_pointer_operation): Use support of pointer plus index,
5110         pointer plus constant and allow all multiplications.
5111
5112 2007-03-11  Richard Guenther  <rguenther@suse.de>
5113
5114         PR tree-optimization/31115
5115         * tree-vrp.c (extract_range_from_binary_expr): Make sure
5116         the shift count is positive and non-anti-range for RSHIFT_EXPR.
5117         A shift count of zero is not special as with *_DIV_EXPR.
5118         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
5119         direction.
5120
5121 2007-03-11  Ian Lance Taylor  <iant@google.com>
5122
5123         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
5124         the *_DIV_EXPR codes correctly with overflow infinities.
5125
5126 2007-03-11  Ira Rosen  <irar@il.ibm.com>
5127
5128         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
5129         indicate success/failure of the analysis. Add negation to subtrahend
5130         in case of subtraction. Fail if both operands contain constants.
5131         (create_data_ref): Fail if analyze_offset fails.
5132
5133 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
5134
5135         * config/i386/i386.md (frndintxf2): Rename to ...
5136         (rintxf2): ... this. Remove expander having same name.
5137         (rintsf2, rintdf2): Implement using SSEMODEF macro.
5138         (roundsf2, rounddf2): Ditto.
5139         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
5140         (lround<mode>di2, lround<mode>si2): Ditto.
5141
5142 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
5143
5144         * lower-subreg.c: Include except.h.
5145         (decompose_multiword_subregs): Verify that the only control flow
5146         insns we can split are loads to multi-words pseudos.
5147         Handle breaking such blocks after splitting, instead of calling
5148         find_many_sub_basic_blocks.
5149
5150         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
5151         on the new basic block.  Add a lengthy comment explaining why we
5152         thought this was necessary.
5153         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
5154
5155 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
5156
5157         PR c++/30924
5158         * tree.c (walk_type_fields): Recurse into the element type of
5159         ARRAY_TYPEs if there is a pointer set.
5160
5161 2007-03-10  Dirk Mueller  <dmueller@suse.de>
5162
5163         * c-common.c (warn_logical_operator): Fix condition.
5164
5165 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
5166
5167         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
5168         quotation mark.
5169         * config/darwin.c (machopic_select_section): Remove superfluous
5170         argument in call to categorize_decl_for_section.  Remove unused
5171         variable shlib.
5172
5173 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
5174
5175         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
5176         defined.
5177         * configure: Regenerate.
5178
5179 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
5180
5181         PR target/31101
5182         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
5183         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
5184         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
5185         Add LABEL_NUSES to emitted label.
5186         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
5187         branch probability value to emitted jump insn.
5188         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
5189         Do not check life information and do not re-arrange input operands
5190         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5191
5192 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5193
5194         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5195         the change of decode_asm_operands.
5196
5197 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5198
5199         * mode-switching.c (create_pre_exit): Skip blockage insn.
5200
5201 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
5202
5203         * tree-pass.h (TODO_update_smt_usage): Remove.
5204         Update all users.
5205         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5206         argument SOME.
5207         Update all users.
5208
5209 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5210
5211         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5212         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5213         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
5214         SOM target.
5215
5216 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
5217
5218         * gcc.c: Document %{, in big comment at top.
5219         (input_suffix_matches): Remove special handling for .s and
5220         .S.
5221         (input_spec_matches): New.
5222         (handle_braces): Handle %{,.
5223         (validate_switches): ',' indicates a value which is not a switch.
5224         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5225         to detect assembler input.
5226         * config/i386/sol2.h (CPP_SPEC): Likewise.
5227         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5228         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5229         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5230         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5231         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5232         -m64 causes deployment target to default to 10.5.
5233         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5234
5235 2007-03-09  Richard Henderson  <rth@redhat.com>
5236
5237         PR target/26090
5238         * target.h (targetm.asm.out.reloc_rw_mask): New.
5239         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5240         (TARGET_ASM_OUT): Use it.
5241         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5242         * varasm.c (categorize_decl_for_section): Remove shlib argument;
5243         use the new reloc_rw_mask target hook instead.
5244         (default_section_type_flags_1): Merge into...
5245         (default_section_type_flags): ... here.
5246         (decl_readonly_section_1): Merge into...
5247         (decl_readonly_section): ... here.
5248         (default_elf_select_section_1): Merge into...
5249         (default_elf_select_section): ... here.
5250         (default_unique_section_1): Merge into...
5251         (default_unique_section): ... here.
5252         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5253         (default_select_rtx_section): Use it.
5254         (default_elf_select_rtx_section): Likewise.
5255         * output.h: Update to match.
5256         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5257         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5258         (TARGET_ASM_RELOC_RW_MASK): New.
5259         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5260         to categorize_decl_for_section.
5261         (x86_64_elf_unique_section): Likewise.
5262         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5263         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5264         (TARGET_ASM_RELOC_RW_MASK): New.
5265         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5266         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5267         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5268         (TARGET_RWRELOC): Remove.
5269         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5270         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5271         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5272         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5273         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5274         (rs6000_xcoff_select_section): Use decl_readonly_section.
5275         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5276         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5277         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5278         (TARGET_SECTION_TYPE_FLAGS): Remove.
5279         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5280
5281 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5282
5283         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5284         complex constant equality/inequality comparisons for here.
5285         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5286         known at compile-time or can be simplified to a scalar comparison.
5287         (fold_relational_const): Move compile-time evaluation of complex
5288         constant equality/inequality comparisons to here.
5289
5290 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5291
5292         PR rtl-optimization/30643
5293         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5294         dest_addr_elt.
5295         (fold_rtx): Recurse, like before 2006-11-03.
5296
5297 2007-03-09  DJ Delorie  <dj@redhat.com>
5298
5299         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5300         m32c-pragma.o.
5301
5302 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5303
5304         PR tree-optimization/30375
5305         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5306         LHS of statements is not the same.
5307         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5308
5309 2007-03-09  Chao-ying Fu  <fu@mips.com>
5310
5311         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5312         REV 2.
5313         * doc/invoke.texi (-mdspr2): Document new option.
5314         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5315         New unspec for DSP REV 2.
5316         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5317         these instructions are extended in DSP REV 2.
5318         (mips-dspr2.md): Include.
5319         * config/mips/mips.opt (mdspr2): New option.
5320         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5321         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5322         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5323         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5324         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5325         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5326         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5327         and 2 builtins.
5328         (bdesc_map): Add one field of unsupported_target_flags.
5329         (bdesc_arrays):  Update entries to have extra fields.  Add
5330         dsp_32only_bdesc.
5331         (mips_init_builtins): Initialize new function types.
5332         Check unsupported_target_fileds to filter out builtins.
5333         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5334         TARGET_DSPR2.
5335         (ASM_SPEC): Pass mdspr2 to the assembler.
5336         * config/mips/mips-dspr2.md: New file.
5337
5338 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5339
5340         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5341
5342 2007-03-09  Ian Lance Taylor  <iant@google.com>
5343
5344         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5345         argument) like -Wstrict-overflow=2.
5346         * doc/invoke.texi (Warning Options): Update documentation.
5347
5348 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5349
5350         PR c++/17946
5351         * doc/invoke.texi (-Wlogical-op): Document.
5352         * common.opt (-Wlogical-op): New.
5353         * c-common.h (warn_logical_operator): Declare.
5354         * c-common.c (warn_logical_operator): Define.
5355         * c-typeck.c (parser_build_binary_op): Call
5356         warn_logical_operator.
5357
5358 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5359
5360         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5361         * final.c (final_scan_insn): Test for non-"" file name.
5362
5363 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5364
5365         * doc/loop.texi: Document the Omega linear constraints solver.
5366         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5367         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5368         omega-hash-table-size, omega-max-keys, and
5369         omega-eliminate-redundant-constraints.
5370         * tree-pass.h (pass_check_data_deps): Declared.
5371         * omega.c: New.
5372         * omega.h: New.
5373         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5374         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5375         pass_check_data_deps): New.
5376         * tree-data-ref.c (init_data_ref): Remove declaration.
5377         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5378         (analyze_array): Renamed init_array_ref, move up initializations.
5379         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5380         Removed arguments that are set to NULL.
5381         (analyze_indirect_ref): Correct indentation, correct call to
5382         init_pointer_ref.
5383         (object_analysis): Call init_array_ref instead of analyze_array.
5384         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5385         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5386         of DR_ACCESS_FNS_ADDR.
5387         (init_omega_eq_with_af, omega_extract_distance_vectors,
5388         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5389         ddr_consistent_p): New.
5390         (compute_affine_dependence): Check consistency of ddrs when
5391         flag_check_data_deps is passed.
5392         (analyze_all_data_dependences): Uncomment.
5393         (tree_check_data_deps): New.
5394         * tree-data-ref.h: Include omega.h.
5395         (DR_ACCESS_FNS_ADDR): Removed.
5396         (data_dependence_relation): Add inner_loop.
5397         (DDR_INNER_LOOP): New.
5398         * common.opt (fcheck-data-deps): New.
5399         * tree-flow.h (tree_check_data_deps): Declare.
5400         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5401         (OBJS-common): Depend on omega.o.
5402         (omega.o): Define.
5403         * passes.c (pass_check_data_deps): Scheduled.
5404         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5405         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5406         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5407         PARAM_VECT_MAX_VERSION_CHECKS,
5408         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5409
5410 2007-03-09  Richard Guenther  <rguenther@suse.de>
5411
5412         PR tree-optimization/30904
5413         PR middle-end/31058
5414         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5415         the same way as *_DIV_EXPR.
5416
5417 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5418
5419         * recog.c (decode_asm_operands): No mixed declarations and code.
5420
5421 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5422
5423         * rtl.def (ASM_INPUT): Add location.
5424         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5425         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5426         (decode_asm_operands): Add loc operand.
5427         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5428         * stmt.c (expand_asm): Rename to...
5429         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5430         gen_rtx_ASM_INPUT_loc.
5431         (expand_asm_expr): Adjust.
5432         * recog.c (decode_asm_operands): Add loc operand.
5433         (check_asm_operands, extract_insn): Adjust.
5434         * reload1.c (maybe_fix_stack_asms): Likewise.
5435         * final.c (asm_insn_count): Likewise.
5436         (final_scan_insn): Output # line before and after asm.
5437
5438 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5439
5440         * tree-ssa-structalias.c (variable_info): Remove
5441         finished_solution.
5442         (new_var_info): Ditto.
5443         (shared_bitmap_info_t): New structure.
5444         (shared_bitmap_table): New variable.
5445         (shared_bitmap_hash): New function.
5446         (shared_bitmap_eq): Ditto
5447         (shared_bitmap_lookup): Ditto.
5448         (shared_bitmap_add): Ditto.
5449         (merge_smts_into): Change to take bitmap directly.
5450         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5451         (init_alias_vars): Init shared bitmap hashtable.
5452         (delete_points_to_sets): Delete shared bitmap hashtable.
5453         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5454         is_aliased removal as a change that was still necessary was
5455         deleted.
5456
5457 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5458
5459         * config/i386/i386.h (override_options): Conditionally disable
5460         x86_sahf for 64bit targets only.
5461
5462 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5463
5464         PR C/31072
5465         * c-decl.c (merge_decls): Don't call make_var_volatile.
5466         * varasm.c (make_var_volatile): Remove.
5467         * output.h (make_var_volatile): Remove.
5468
5469 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5470
5471         PR tree-optimization/31085
5472         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5473
5474 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5475
5476         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5477         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5478         ATTR_CONST_NOTHROW_LIST.
5479
5480         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5481         FIX_TRUNC_EXPR.
5482
5483 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5484
5485         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5486
5487 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5488
5489         PR 31013
5490         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5491         is declared.
5492         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5493         passed, use shared libgcc.
5494
5495 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5496
5497         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5498         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5499         (honor_protect_cleanup_actions, lower_try_finally_switch):
5500         Likewise.
5501         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5502         ifc_temp_var): Likewise.
5503         * tree-inline.c (setup_one_parameter): Likewise.
5504         * tree-mudflap.c (mf_decl_cache_locals,
5505         mf_build_check_statement_for): Likewise.
5506         * tree-nested.c (init_tmp_var, save_tmp_var,
5507         finalize_nesting_tree_1): Likewise.
5508         * tree-outof-ssa.c (insert_copy_on_edge,
5509         insert_backedge_copies): Likewise.
5510         * tree-profile.c (tree_gen_edge_profiler,
5511         tree_gen_ic_profiler): Likewise.
5512         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5513         * tree-sra.c (sra_build_assignment): Likewise.
5514         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5515         * tree-ssa-math-opts.c (insert_reciprocals,
5516         execute_cse_sincos_1): Likewise.
5517         * tree-tailcall.c (adjust_accumulator_values,
5518         adjust_return_value): Likewise.
5519         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5520         * tree-vect-transform.c (vect_create_data_ref_ptr,
5521         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5522         vect_create_epilog_for_reduction, vectorizable_reduction,
5523         vectorizable_call, vectorizable_conversion,
5524         vectorizable_assignment, vectorizable_operation,
5525         vectorizable_type_demotion, vect_gen_widened_results_half,
5526         vect_permute_store_chain, vectorizable_store,
5527         vect_setup_realignment, vect_permute_load_chain,
5528         vectorizable_load, vectorizable_condition,
5529         vect_create_cond_for_align_checks): Likewise.
5530         * tree-vrp.c (build_assert_expr_for): Likewise.
5531
5532 2007-03-08  Ian Lance Taylor  <iant@google.com>
5533
5534         * tree-vrp.c: Include "intl.h".
5535         (usable_range_p): New static function.
5536         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5537         overflowed values, juts set *strict_overflow_p.
5538         (compare_values): Only return -2 if one of the operands is not a
5539         constant.
5540         (compare_ranges): Call usable_range_p.
5541         (compare_range_with_value): Likewise.
5542         (vrp_evaluate_conditional_warnv): Rename from
5543         vrp_evaluate_conditional.  Make static.  Change all callers.
5544         (vrp_evaluate_conditional): New function.
5545         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5546         on signed overflow.
5547         (simplify_abs_using_ranges): Likewise.
5548         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5549         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5550         within_stmt parameter.
5551         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5552         vrp_evaluate_conditional.
5553         * tree-ssa-threadedge.c
5554         (record_temporary_equivalences_from_stmts_at_dest): Change
5555         simplify parameter to take a second tree parameter.
5556         (simplify_control_stmt_condition): Likewise.
5557         (thread_across_edge): Likewise.
5558         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5559         (thread_across_edge): Likewise.
5560         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5561
5562 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5563
5564         * config/i386/i386.h (TARGET_SAHF): New define.
5565         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5566         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5567         (x86_sahf): New global variable.
5568         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5569         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5570         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5571         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5572         for 64-bit.
5573         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5574         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5575         when expanding fcomi/sahf based tests.
5576         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5577         expanding sahf based alternative. Emit sahf based sequence when
5578         optimizing for code size.
5579         * config/i386/i386.md (x86_sahf_1): Do not disable for
5580         TARGET_64BIT, enable for TARGET_SAHF.
5581
5582 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5583
5584         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5585         spurious whitespace from error message.
5586
5587 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5588
5589         PR c++/30852
5590         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5591
5592 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5593
5594         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5595         bitfields.
5596         * tree-sra.c (instantiate_element): Propagate disabled warnings
5597         from the element itself to the created variable.
5598
5599 2007-03-07  Richard Henderson  <rth@redhat.com>
5600
5601         PR target/30848
5602         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5603         silently fix up the stack in the case of a missing register.
5604
5605 2007-03-07  Paul Brook  <paul@codesourcery.com>
5606
5607         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5608
5609 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5610
5611         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5612         New.
5613         (phase1_vrs): Use them.
5614         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5615         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5616         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5617         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5618         __gnu_Unwind_Restore_WMMXC if required.
5619         (_Unwind_VRS_Pop): Implement iWMMXt support.
5620         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5621         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5622         gnu_Unwind_Save_WMMXC): Define.
5623
5624 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5625
5626         * config/vxworks.h (vxworks_override_options): Declare.
5627         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5628         * config/vxworks.c: Include target.h and toplev.h.
5629         (vxworks_override_options): New function.
5630         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5631
5632 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5633
5634         * config/s390/s390.c (override_options): Don't emit an error when
5635         -mstack-size is used without providing -mstack-guard.
5636         (s390_emit_prologue): Choose stack_guard value automatically if not
5637         provided via command line.
5638         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5639
5640 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5641
5642         * config/i386/i386.c (output_set_got): Add a GOT initialization
5643         sequence for VxWorks PIC.
5644         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5645         around labels as well as symbols.  Use gotoff_operand instead
5646         of local_symbolic_operand.
5647         (legitimize_pic_address): Use gotoff_operand instead of
5648         local_symbolic_operand.  Use @GOT accesses for labels as
5649         well as symbols.
5650         (ix86_output_addr_diff_elt): Use PC-relative rather than
5651         GP-relative offsets for VxWorks PIC.
5652         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5653         no_new_pseudos.  Check whether the returned register is op0.
5654         * config/i386/i386.md (tablejump): Use PC-relative rather than
5655         GP-relative offsets for VxWorks PIC.
5656         * config/i386/predicates.md (gotoff_operand): New predicate.
5657
5658 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5659
5660         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5661         before defining.
5662         * config/vxworks-dummy.h: New file.
5663         * config/i386/i386.h: Include it.
5664
5665 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5666
5667         * dwarf2out.c (is_inlined_entry_point): New
5668         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5669         DW_AT_ranges if the first subblock is the entry point.
5670
5671 2007-03-06  David Daney  <ddaney@avtrex.com>
5672
5673         * doc/install.texi (mips-*-*): Change recommended binutils
5674         version.
5675
5676 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5677
5678         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5679         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5680         devices.
5681         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5682         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5683
5684 2007-03-06  Jan Hubicka  <jh@suse.cz>
5685
5686         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5687         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5688         are hot.
5689         (probably_cold_bb_p): Cold functions are cold.
5690         (probably_never_executed_bb_p): Cold functions are cold.
5691         (tree_bb_level_predictions): Predict calls to cold functions as not
5692         taken.
5693         (compute_function_frequency): Check hot/cold attributes.
5694         * function.h (function_frequency): Update comments.
5695         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5696         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5697         (c_common_att): Add cold and hot.
5698
5699         * doc/extend.texi (hot,cold attributes): Document.
5700
5701 2007-03-06  Andrew Haley  <aph@redhat.com>
5702
5703         * function.c (expand_function_end): Move blockage to just after we
5704         emit the label for the naked return from the function.
5705
5706 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5707
5708         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5709         before redefining.
5710
5711 2007-03-06  Jan Hubicka  <jh@suse.cz>
5712
5713         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5714         loaded for constant large models.  Non-large 64bit PIC can do.
5715         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5716         * cmodel.h: Add LARGE PIC.
5717         * i386.md (UNSPEC_PLTOFF): New.
5718         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5719         needed.
5720         (*call_1_rex64): Disable for large models.
5721         (*call_1_rex64_large): New.
5722         (*call_value_1_rex64): Disable for large models.
5723         (*call_value_1_rex64_large): New.
5724         (set_rip_rex4): New.
5725         (set_got_offset_rex64): New.
5726         * predicates.md (constant_call_address_operand): For large model
5727         constant calls are not possible.
5728         * i386-protos.h (construct_plt_address): Declare.
5729         * i386.c (override_options): Accept large models.
5730         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5731         (legitimate_constant_p): Add new UNSPECs.
5732         (legitimate_pic_operand_p): Likewise.
5733         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5734         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5735         non-large model.
5736         (output_pic_addr_const): Add PLTOFF.
5737         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5738         (ix86_expand_move): Legitimize pic address when in PIC mode.
5739         (construct_plt_address): New function.
5740         (ix86_expand_call): Offload the address to register and use GOT pointer
5741         for large model.
5742         * invoke.texi (mcmodel=large): Update documentation.
5743
5744 2007-03-06  Richard Henderson  <rth@redhat.com>
5745
5746         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5747         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5748         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5749         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5750         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5751         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5752         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5753         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5754         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5755         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5756         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5757         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5758         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5759         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5760         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5761         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5762         x86_schedule, x86_use_bt, x86_pad_returns,
5763         x86_use_xchgb): Merge into ...
5764         (ix86_tune_features): ... here.  New array.
5765         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5766         x86_bswap): Merge into ...
5767         (ix86_arch_features): ... here.  New array.
5768         (x86_3dnow_a): Remove.
5769         (x86_accumulate_outgoing_args): Make static.
5770         (x86_arch_always_fancy_math_387): Make static.
5771         (ix86_tune_mask, ix86_arch_mask): Move ...
5772         (override_options): ... to local variables here.  Apply the
5773         appropriate mask to each element of ix86_arch_features and
5774         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5775         as were done in the old macros.
5776         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5777         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5778         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5779         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5780         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5781         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5782         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5783         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5784         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5785         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5786         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5787         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5788         x86_accumulate_outgoing_args, x86_prologue_using_move,
5789         x86_epilogue_using_move, x86_decompose_lea,
5790         x86_arch_always_fancy_math_387, x86_shift1,
5791         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5792         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5793         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5794         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5795         x86_use_incdec, x86_pad_returns, x86_bswap,
5796         x86_partial_flag_reg_stall): Remove.
5797         (enum ix86_tune_indices): New.
5798         (ix86_tune_features): New.
5799         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5800         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5801         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5802         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5803         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5804         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5805         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5806         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5807         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5808         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5809         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5810         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5811         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5812         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5813         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5814         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5815         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5816         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5817         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5818         TARGET_EXT_80387_CONSTANTS): Use it.
5819         (enum ix86_arch_indices): New.
5820         (ix86_arch_features): New.
5821         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5822         TARGET_BSWAP): Use it.
5823         (ix86_tune_mask, ix86_arch_mask): Remove.
5824
5825 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5826
5827         PR bootstrap/31020
5828         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5829         Define using $${sysroot_headers_suffix}.
5830         * configure: Regenerate.
5831         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5832         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5833         defined.
5834         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5835         * gcc.c (print_sysroot_headers_suffix): New.
5836         (option_map): Include --print-sysroot-headers-suffix.
5837         (display_help): Mention -print-sysroot-headers-suffix.
5838         (process_command): Handle -print-sysroot-headers-suffix.
5839         (do_spec_1): Append multilib directory to include-fixed path if
5840         sysroot suffixes in use.
5841         (main): Handle -print-sysroot-headers-suffix.
5842         * Makefile.in (start.encap): Don't depend on xlimits.h
5843         (xlimits.h): Remove.
5844         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5845         limits.h for each multilib in fixinc_list.
5846         (fixinc_list, s-fixinc_list): New.
5847         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5848         generate them for each multilib in fixinc_list.
5849         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5850         multilib in fixinc_list.
5851         (mostlyclean): Don't remove xlimits.h.
5852         (clean): Remove include-fixed.
5853         (real-install-headers-tar, real-install-headers-cpio,
5854         real-install-headers-cp): Don't copy include, only include-fixed.
5855         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5856         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5857         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5858         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5859
5860 2007-03-06  Jan Hubicka  <jh@suse.cz>
5861
5862         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5863         NANs easilly.
5864
5865 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5866
5867         * configure.ac: Allow tm_file to contain build-directory files.
5868         * configure: Regenerate.
5869         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5870         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5871         * config/m68k/print-sysroot-suffix.sh: New file.
5872
5873 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5874
5875         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5876         of pic_offset_table_rtx if reload_completed.
5877         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5878         PIC_OFFSET_TABLE_REGNUM.
5879         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5880         return true.
5881         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5882         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5883
5884 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5885
5886         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5887         functions that call eh_return.
5888
5889 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5890
5891         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5892         functions that need a constant pool.
5893
5894 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5895
5896         PR target/28181
5897         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5898         (m68k_preferred_reload_class): Likewise.
5899         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5900         (SECONDARY_RELOAD_CLASS): Define.
5901         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5902         (LIMIT_RELOAD_CLASS): Delete.
5903         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5904         registers from storing bytes.
5905         (m68k_secondary_reload_class): New function.
5906         (m68k_preferred_reload_class): Likewise.
5907
5908 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5909
5910         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5911         leaf functions.
5912         (m68k_expand_prologue): Likewise.
5913
5914 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5915
5916         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5917         (mips_expand_epilogue): Add a bool parameter.
5918         (m68k_legitimize_sibcall_address): Declare.
5919         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5920         (m68k_expand_epilogue): Add a parameter to select between sibling
5921         and normal epilogues.  Only generate a return for the latter.
5922         (m68k_ok_for_sibcall_p): New function.
5923         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5924         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5925         (sibcall_value, *sibcall_value): Likewise.
5926         (*call, *call_value): Require !SIBLING_CALL_P.
5927         (epilogue): Update call to m68k_expand_epilogue.
5928         (sibcall_epilogue): New pattern.
5929         * config/m68k/predicates.md (const_call_operand): Say that this
5930         predicate applies to sibling calls too.
5931         (sibcall_operand): New predicate.
5932
5933 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5934
5935         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5936         alternatives as movsi_cf.
5937         (movsf_cf_hard): Add commentary.
5938
5939 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5940             Richard Sandiford  <richard@codesourcery.com>
5941
5942         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5943         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5944         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5945         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5946         as being live on exit from an interrupt function.
5947         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5948         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5949         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5950         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5951         (m68k_interrupt_function_p): Globalize.
5952         (m68k_compute_frame_layout): Remove reverse mask code.
5953         (m68k_emit_movem, m68k_set_frame_related): New functions.
5954         (m68k_output_function_prologue): Delete in favor of...
5955         (m68k_expand_prologue): ...this new function.
5956         (m68k_output_function_epilogue): Delete in favor of...
5957         (m68k_expand_epilogue): ...this new function.
5958         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5959         functions.
5960         (print_operand): Handle %?.
5961         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5962         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5963         (prologue, epilogue): New patterns.
5964         (return): Turn into a define_expand.
5965         (*return): New pattern, derived from old "return" pattern.  Use rte
5966         rather than rts for interrupt functions.  Only use rtd if the pop
5967         count is nonzero.
5968         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5969         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5970         (link, *link, unlink, *unlink, load_got): Likewise.
5971
5972 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5973
5974         PR target/23482
5975         PR target/17114
5976         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5977         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5978         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5979         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5980         and m68k_matches_u_p.
5981         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5982         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5983         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5984         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5985         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5986         (REG_STRICT_P): New macro.
5987         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5988         PCREL_GENERAL_OPERAND_OK.
5989         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5990         m68k_legitimate_base_reg_p.
5991         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5992         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5993         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5994         * config/m68k/m68k.c (m68k_address): New structure.
5995         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5996         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5997         (m68k_jump_table_ref_p, m68k_decompose_address)
5998         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5999         (m68k_matches_u_p): New functions.
6000         (print_operand_address): Rewrite to use m68k_decompose_index.
6001
6002 2007-03-05  David Taylor  <dtaylor@emc.com>
6003
6004         * gcc.c: Correct copyright date in --version output.
6005
6006 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6007
6008         * pa.md: In unamed move patterns, disparge copies between general
6009         and floating point registers using '?' modifier.  Don't include 'f'
6010         constraint for register preferences in DImode, SImode, HImode and
6011         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
6012         Remove constraints for copies between general and floating registers
6013         in soft-float DFmode pattern.
6014         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
6015         floating register.
6016         (movsf): Likewise.
6017
6018 2007-03-05  Mike Stump  <mrs@apple.com>
6019
6020         * c-common.c (targetcm): Add.
6021         * c-opts.c (c_common_handle_option): Handle language specific
6022         target options.
6023         * opts.c (handle_option): Verify language for target options, if
6024         any are given.
6025         * opth-gen.awk: Add CL_LANG_ALL.
6026         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
6027         (TARGETCM_INITIALIZER): Add.
6028         * target.h (struct gcc_targetcm): Add.
6029         (targetcm): Add.
6030         * targhooks.c (default_handle_c_option): Add.
6031         * targhooks.h (default_handle_c_option): Add.
6032         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
6033
6034         * config/darwin.opt (iframework): Add.
6035         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
6036         * config/darwin-c.c (handle_c_option): Add.
6037         (TARGET_HANDLE_C_OPTION): Add.
6038         (targetcm): Add.
6039         * doc/invoke.texi (Darwin Options): Add -iframework.
6040
6041 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6042
6043         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
6044         conversion.
6045
6046 2007-03-05  Ian Lance Taylor  <iant@google.com>
6047
6048         * c.opt (fgnu89-inline): New option.
6049         * c-opts.c (c_common_post_options): Set default value for
6050         flag_gnu89_inline.
6051         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
6052         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
6053         inline functions.
6054         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
6055         (grokdeclarator, start_function): Likewise.
6056         * c-cppbuiltin.c (c_cpp_builtins): Define either
6057         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
6058         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
6059         (C Dialect Options): Document -fgnu89-inline.
6060         * doc/extend.texi (Function Attributes): Explain what the
6061         gnu_inline attribute does.
6062         * doc/cpp.texi (Common Predefined Macros): Document
6063         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
6064
6065 2007-03-05  Ian Lance Taylor  <iant@google.com>
6066
6067         PR tree-optimization/31034
6068         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
6069         half-range if the other side is an overflow infinity.
6070
6071 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6072
6073         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
6074         (bfin*-linux-uclibc*): New configuration.
6075         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
6076         defining.
6077         * config/bfin/linux.h: New file.
6078         * config/bfin/libgcc-bfin.ver: New file.
6079         * config/bfin/t-bfin-uclinux: New file.
6080         * config/bfin/t-bfin-linux: New file.
6081         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
6082         (TARGET_OS_CPP_BUILTINS): New macro.
6083
6084 2007-03-05  Richard Guenther  <rguenther@suse.de>
6085
6086         * fold-const.c (fold_binary): Remove duplicate folding
6087         of comparison of non-null ADDR_EXPR against null.
6088
6089 2007-03-05  Richard Guenther  <rguenther@suse.de>
6090             Dorit Nuzman  <dorit@il.ibm.com>
6091
6092         PR tree-optimization/26420
6093         * tree-vectorizer.c (vectorize_loops): Bail out early if there
6094         are no loops in the function.  Only print the number of
6095         vectorized loops if it is greater than zero or we are supposed
6096         to print information about unvectorized loops.
6097
6098 2007-03-05  Revital Eres  <eres@il.ibm.com>
6099
6100         * gcc.dg/var-expand1.c: New test.
6101         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
6102         when an accumulator is expanded.
6103
6104 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6105
6106         PR other/30465
6107         * c-common.c (convert_and_check): Don't give warnings for
6108         conversion if 'expr' already overflowed.
6109
6110 2007-03-04  Roger Sayle  <roger@eyesopen.com>
6111
6112         PR middle-end/30744
6113         * fold-const.c (fold_comparison): Enforce type consistency when
6114         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
6115
6116 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
6117
6118         * tree-ssa-address.c (create_mem_ref): Do not put an expression
6119         containing a cast to the base of TARGET_MEM_REF.
6120
6121 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
6122
6123         * tree.c (tree_contains_struct_check_failed): Remove spurious
6124         whitespace from error message.
6125
6126 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
6127
6128         PR target/30406
6129         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
6130         instead of precision.
6131
6132 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
6133             Nathan Sidwell  <nathan@codesourcery.com>
6134
6135         * emit-rtl.c (find_auto_inc): New.
6136         (try_split): recreate REG_INC notes,
6137         Use regular for loops rather than whiles.
6138
6139 2007-03-03  Andreas Schwab  <schwab@suse.de>
6140
6141         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
6142         * configure: Regenerate.
6143
6144 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6145
6146         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
6147         flag_rounding_math, not flag_unsafe_math_optimizations.
6148
6149         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
6150         fold_build2.
6151         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
6152         alpha_fold_vector_minmax): Likewise.
6153         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6154         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
6155
6156 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6157
6158         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
6159         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
6160         if the lhs has side-effects.
6161         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
6162
6163 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6164
6165         * config/i386/i386.h (TUNEMASK): Remove define.
6166         (ARCHMASK): Remove define.
6167         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
6168          Use ix86_arch_mask variable instead of ARCHMASK.
6169         * config/i386/i386.c (override_options): Ditto.
6170         (standard_80387_constant_p): Ditto.
6171
6172 2007-03-02  Ian Lance Taylor  <iant@google.com>
6173
6174         Used signed infinities in VRP.
6175         * tree-vrp.c (uses_overflow_infinity): New static function.
6176         (supports_overflow_infinity): New static function.
6177         (make_overflow_infinity): New static function.
6178         (negative_overflow_infinity): New static function.
6179         (positive_overflow_infinity): New static function.
6180         (is_negative_overflow_infinity): New static function.
6181         (is_positive_overflow_infinity): New static function.
6182         (is_overflow_infinity): New static function.
6183         (overflow_infinity_range_p): New static function.
6184         (compare_values_warnv): New function split out of compare_values.
6185         (compare_value): Call it.
6186         (set_value_range_to_nonnegative): Add overflow_infinity
6187         parameter.  Change caller.
6188         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
6189         Change callers.
6190         (vrp_expr_computes_nonzero): Likewise.
6191         (compare_ranges, compare_range_with_value): Likewise.
6192         (compare_name_with_value, compare_names): Likewise.
6193         (vrp_evaluate_conditional): Likewise.
6194         (set_value_range): Handle infinity
6195         (vrp_operand_equal_p, operand_less_p): Likewise.
6196         (extract_range_from_assert): Likewise.
6197         (vrp_int_const_binop): Likewise.
6198         (extract_range_from_binary_expr): Likewise.
6199         (extract_range_from_unary_expr): Likewise.
6200         (extract_range_from_comparison): Likewise.
6201         (extract_range_from_expr): Likewise.
6202         (dump_value_range): Likewise.
6203         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6204         (test_for_singularity): Likewise.
6205         (vrp_int_const_binop): Remove inline qualifier.
6206         (adjust_range_with_scev): Add comment.
6207         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6208
6209 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
6210
6211         * tree-ssa-structalias.c (could_have_pointers): Tidy.
6212         (get_constraint_for): Likewise.
6213         (do_structure_copy): Likewise.
6214         (find_func_aliases): Fix references to MODIFY_EXPR.
6215         (intra_create_variable_infos): Tidy.
6216         * tree-ssa-operands.c (add_virtual_operand): Add argument
6217         IS_CALL_SITE.
6218         When adding members of alias sets, if IS_CALL_SITE is true and
6219         the symbol is not call-clobbered, skip it.
6220         Adjust all callers.
6221
6222 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6223
6224         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6225         entry by means of emit_insn_at_entry.
6226
6227 2007-03-02  Richard Henderson  <rth@redhat.com>
6228
6229         * expr.h (promoted_input_arg): Remove decl.
6230         * function.c (promoted_input_arg): Merge into ...
6231         * combine.c (setup_incoming_promotions): ... only caller.
6232         Rearrange to avoid double loop.
6233
6234 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6235             Peter Bergner  <bergner@vnet.ibm.com>
6236             Janis Johnson  <janis187@us.ibm.com>
6237
6238         * config/rs6000/dfp.md: New file.
6239         * config/rs6000/rs6000.md: Include dfp.md.
6240         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6241         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6242         and TDmode decimal float modes in FP registers.
6243         (num_insns_constant): Likewise.
6244         (rs6000_legitimate_offset_address_p): Likewise.
6245         (rs6000_legitimize_address): Likewise.
6246         (rs6000_legitimize_reload_address): Likewise.
6247         (rs6000_legitimate_address): Likewise.
6248         (rs6000_emit_move): Likewise.
6249         (function_arg_boundary): Likewise.
6250         (function_arg_advance): Likewise.
6251         (rs6000_darwin64_record_arg_recurse): Likewise.
6252         (function_arg): Likewise.
6253         (rs6000_gimplify_va_arg): Likewise.
6254         (rs6000_split_multireg_move): Likewise.
6255         (rs6000_output_function_epilogue): Likewise.
6256         (rs6000_output_function_epilogue): Likewise.
6257         (rs6000_register_move_cost): Likewise.
6258         (rs6000_function_value): Likewise.
6259         (rs6000_libcall_value): Likewise.
6260
6261 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6262
6263         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6264
6265 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6266
6267         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6268         Use $MULTIDIR to choose between the kernel and RTP headers,
6269         and use $WIND_BASE and $WIND_USR to locate them.
6270
6271 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6272
6273         * config/i386/i386.c (override_options): Put initialization of
6274         ix86_tune_mask and ix86_arch_mask to the correct place.
6275
6276 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6277             Michael Meissner  <michael.meissner@amd.com>
6278
6279         PR target/31019
6280         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6281         (ARCHMASK): Define.
6282         (TARGET_CMOVE): Use ARCHMASK.
6283         (TARGET_CMPXCHG): Ditto.
6284         (TARGET_CMPXCHG8B): Ditto.
6285         (TARGET_XADD): Ditto.
6286         (TARGET_BSWAP): Ditto.
6287         * config/i386/i386.c (ix86_tune_mask): New global variable.
6288         (ix86_arch_mask): Ditto.
6289         (override_options): Initialize ix86_tune_mask and
6290         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6291         target_flags.
6292
6293 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6294
6295         PR 30992
6296         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6297
6298 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6299
6300         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6301         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6302         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6303         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6304         hook.
6305         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6306         rs6000_init_dwarf_reg_sizes_extra): New.
6307         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6308         SPE register high parts.
6309
6310 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6311
6312         * Makefile.in: Add install-pdf target as
6313         copied from automake v1.10 rules.
6314         * configure.ac: Add install-pdf to target list.
6315         * configure: Regenerate.
6316
6317 2007-03-01  Paul Brook  <paul@codesourcery.com>
6318
6319         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6320         modes to LDRD for DImode.
6321         (output_move_double): Fixup out of range ldrd/strd.
6322         (vfp_secondary_reload_class): Rename...
6323         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6324         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6325         coproc_secondary_reload_class for CLASS_IWMMXT.
6326         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6327         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6328
6329 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6330
6331         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6332         factor by the estimated number of iterations.
6333         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6334         prefetch latency.
6335
6336         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6337         decode_caches_intel, detect_caches_intel): New functions.
6338         (host_detect_local_cpu): Use detect_caches_amd and
6339         detect_caches_intel.
6340
6341 2007-03-01  Richard Henderson  <rth@redhat.com>
6342
6343         * expr.c (emit_move_complex_push): Export.
6344         (emit_move_complex_parts): Split out from ...
6345         (emit_move_complex): ... here.
6346         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6347         * config/i386/i386.md (movcdi): New.
6348
6349 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6350
6351         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6352         size of mode1 to check for tieable modes in MMX case.
6353
6354 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6355
6356         * Makefile.in (rtlanal.o): Depend on tree.h.
6357         * rtl.h (offset_within_section_p, split_const): Declare.
6358         * rtlanal.c: Include tree.h.
6359         (offset_within_block_p): New function, taken from
6360         mips_offset_within_object_p.
6361         (split_const): New function, taken from mips_split_const.
6362         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6363         Declare.
6364         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6365         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6366         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6367         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6368         (m68k_illegitimate_symbolic_constant_p): New function.
6369         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6370         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6371         symbolic constant that might be outside the symbol's section,
6372         move the symbol first and then add the offset.
6373         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6374         Override.
6375         * config/mips/mips.c (mips_split_const): Delete.
6376         (mips_offset_within_object_p): Delete.
6377         (mips_symbolic_constant_p): Use offset_within_section_p and
6378         split_const instead of mips_offset_within_object_p and
6379         mips_split_const.
6380         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6381         (mips_legitimize_const_move, print_operand_reloc)
6382         (mips_dangerous_for_la25_p): Use split_const instead of
6383         mips_split_const.
6384
6385 2007-02-28  Eric Christopher  <echristo@apple.com>
6386
6387         * Makefile.in (install-include-dir): Don't rm -rf include.
6388
6389 2007-02-28  Richard Guenther  <rguenther@suse.de>
6390
6391         PR middle-end/30364
6392         * fold-const.c (fold_binary): Do not associate expressions
6393         with more than one variable for integer types that do not wrap.
6394
6395 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6396
6397         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6398         Delete, and replace with...
6399         (fold_builtin_call_array): This.  Update callers to use it.
6400         * fold-const.c (fold_build_call_list): Delete, and replace with...
6401         (fold_build_call_array): This.
6402         (fold_build_call_list_initializer): Delete, and replace with...
6403         (fold_build_call_array_initializer): This.
6404         * tree.h: Update declarations to reflect above changes.
6405
6406         * c-typeck.c (build_function_call): Store converted arguments
6407         in a stack-allocated array instead of building a list.
6408         (convert_arguments): Store arguments in the array passed in as an
6409         argument, and return the actual number of arguments.
6410         * c-format.c: (check_function_format): Pass arguments in an
6411         array instead of a list.
6412         * c-common.c (check_function_nonnull): Likewise.
6413         (check_function_sentinel): Likewise.
6414         (check_function_arguments): Likewise.
6415         * c-common.h: Update declarations to reflect above changes.
6416
6417 2007-02-28  Jan Hubicka  <jh@suse.cz>
6418
6419         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6420         PRED_NEGATIVE_RETURN): Update outcomes.
6421
6422 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6423
6424         * calls.c (emit_library_call_value_1): Handle partial registers
6425         correctly when building up CALL_INSN_FUNCTION_USAGE.
6426
6427 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6428
6429         * pa/predicates.md (move_src_operand): Allow zero for mode.
6430         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6431         move pattern.
6432
6433 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6434
6435         PR target/30970
6436         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6437         *movv2df_internal): Enable pattern only for valid operand
6438         combinations.
6439         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6440         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6441
6442 2007-02-27  Mike Stump  <mrs@apple.com>
6443
6444         * config/darwin-crt3.c: Avoid compilation when compiling for a
6445         kext multilib.
6446
6447 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6448
6449         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6450         FIXED_INCLUDE_DIR.
6451         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6452         for fixed headers and limits.h.
6453         (install-include-dir, install-headers-tar, install-headers-cpio,
6454         install-headers-cp, real-install-headers-tar,
6455         real-install-headers-cpio, real-install-headers-cp): Handle
6456         include-fixed as well as include.
6457         (install-mkheaders): Don't install files that go only in include
6458         not include-fixed.
6459         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6460         from GCC_INCLUDE_DIR.
6461         * gcc.c (process_command): Remove special -BstageN/ handling.
6462         (do_spec_1): Add include-fixed directories.
6463
6464 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6465
6466         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6467         _smulsi3_highpart.
6468         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6469         New functions.
6470         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6471         patterns.
6472
6473 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6474
6475         * c-common.c (get_priority): Add check for
6476         SUPPORTS_INIT_PRIORITY.
6477
6478 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6479
6480         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6481
6482         * config/bfin/bfin.c: Include "cfglayout.h".
6483         (MAX_LSETUP_DISTANCE): New macro.
6484         (struct loop_info): New members incoming, incoming_src and
6485         incoming_dest.  Delete member predecessor.
6486         (length_for_loop): New function.
6487         (bfin_optimize_loop): Handle more different loop structures.
6488         (bfin_discover_loop): Rework detection of predecessor blocks by
6489         examining incoming edges.
6490         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6491         bfin_reorg_loops.
6492         (bfin_reorder_loops): New function.
6493         (bfin_reorg_loops): Use these three new functions.
6494
6495         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6496         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6497         (CONSTRAINT_LEN): Add entry for 'q'.
6498         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6499         Add 'q' constraints.
6500         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6501         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6502
6503         * config/bfin/bfin.md (add_with_carry): New pattern.
6504         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6505         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6506         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6507         support unsigned multiplies too.  Removed incorrect commutativity from
6508         operand 1 constraint where appropriate.
6509         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6510         patterns.
6511         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6512         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6513         New patterns.
6514         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6515         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6516         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6517         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6518         usmulhisi_hh_huh): New patterns.
6519
6520         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6521         lshifthi3): Fix output template to use half reg for operand 2.
6522
6523         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6524         instead of R2.
6525
6526         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6527
6528 2007-02-27  Andreas Schwab  <schwab@suse.de>
6529
6530         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6531
6532 2007-02-27  Jan Hubicka  <jh@suse.cz>
6533
6534         * predict.c (last_basic_block_p): Remove.
6535         (tree_estimate_probability): Update return heuristic for commonized
6536         return blocks.
6537
6538 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6539
6540         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6541
6542 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6543
6544         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6545         * doc/cpp.texi: Standardize title page.
6546         * doc/cppinternals.texi: Likewise.
6547         * doc/gcc.texi: Standardize title page, remove version number
6548         from copyright page.
6549         * doc/gccint.texi: Likewise.
6550         * doc/install.texi: Standardize title page, add table of
6551         contents.
6552
6553 2007-02-26  Jan Hubicka  <jh@suse.cz>
6554
6555         * predict.def: Set outcomes according to more recent results.
6556         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6557         Remove dead predictors.
6558         * predict.c (return_prediction): Fix pasto.
6559
6560 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6561
6562         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6563         change; avoid a memory leak when returning early.
6564
6565 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6566
6567         * c-decl.c (static_ctors): Move to c-common.c.
6568         (static_dtors): Likewise.
6569         (finish_function): Use c_record_cdtor_fn.
6570         (build_cdtor): Move to c-common.c.
6571         (c_write_global_declarations): Use c_build_cdtor_fns.
6572         * c-common.h (static_ctors): Declare.
6573         (static_dtors): Likewise.
6574         (c_record_cdtor_fn): Likewise.
6575         (c_build_cdtor_fns): Likewise.
6576         * c-common.c (static_ctors): New variable.
6577         (static_dtors): Likewise.
6578         (c_record_cdtor_fn): New function.
6579         (build_cdtor): Move from c-decl.c
6580         (c_build_cdtor_fns): New function.
6581
6582         * output.h (assemble_addr_to_section): Declare.
6583         (get_cdtor_priority_section): Likewise.
6584         * varasm.c (assemble_addr_to_section): New function.
6585         (get_cdtor_priority_section): Likewise.
6586         (default_named_section_asm_out_destructor): Use them.
6587         (destor_dtor_section_asm_out_destructor): Likewise.
6588         (default_named_section_asm_out_constructor): Likewise.
6589         (default_ctor_section_asm_out_constructor): Likewise.
6590         * config.gcc (*-*-vxworks*): Include vxworks.o.
6591         * config/t-vxworks (vxworks.o): New target.
6592         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6593         (TARGET_ASM_CONSTRUCTOR): Define.
6594         (TARGET_ASM_DESTRUCTOR): Likewise.
6595         (vxworks_asm_out_constructor): Declare.
6596         (vxworks_asm_out_destructor): Likewise.
6597
6598         * c-common.c (get_priority): Check that we have not just an
6599         INTEGER_CST, but an integer constant with integeral type.
6600
6601 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6602
6603         PR tree-optimization/30938
6604         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6605         use &dt[nargs-1] instead of &dt[nargs] in the call to
6606         vect_is_simple_use().
6607
6608 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6609
6610         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6611         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6612         Do not attempt to handle MEM inside auto-inc expressions.
6613         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6614         of a register modified by an auto-inc expression.  However, do handle
6615         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6616         (elimination_effects): Prohibit elimination of a register modified
6617         by an auto-inc expression.  Disable register elimination rules whose
6618         target register is modified by an auto-inc expression with variable
6619         increment.
6620
6621 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6622
6623         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6624         off-by-one error.
6625         (array_at_struct_end_p): New function.
6626         (idx_infer_loop_bounds): Use it.
6627         (estimate_numbers_of_iterations_loop): Export.
6628         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6629         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6630         (tree_estimate_probability): Call record_loop_exits.
6631         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6632         (estimated_loop_iterations, estimated_loop_iterations_int,
6633         estimated_loop_iterations_tree): New functions.
6634         (analyze_siv_subscript_cst_affine,
6635         compute_overlap_steps_for_affine_1_2,
6636         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6637         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6638         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6639         (PRED_LOOP_ITERATIONS_GUESSED): New.
6640         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6641         * cfgloop.h (estimate_numbers_of_iterations_loop,
6642         estimated_loop_iterations_int): Declare.
6643
6644 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6645
6646         * doc/extend.texi: Document optional priority argument to
6647         constructors and destructors.
6648         * tree.c (init_priority_for_decl): Adjust GTY markers.
6649         (init_ttree): Use priority-info hash functions for
6650         init_priority_for_decl.
6651         (tree_map_eq): Rename to ...
6652         (tree_map_base_eq): ... this.
6653         (tree_map_marked_p): Rename to ...
6654         (tree_map_base_marked_p): ... this.
6655         (tree_map_base_hash): New function.
6656         (decl_init_priority_lookup): Rework.
6657         (decl_fini_priority_lookup): New function.
6658         (decl_priority_info): New function.
6659         (decl_init_priority_insert): Use it.
6660         (decl_fini_priority_insert): Likewise.
6661         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6662         hierarchy.
6663         (decl_restrict_base_insert): Likewise.
6664         (decl_debug_expr_insert): Likewise.
6665         (decl_value_expr_lookup): Likewise.
6666         (decl_value_expr_insert): Likewise.
6667         * tree.h (priority_type): New type.
6668         (decl_init_priority_lookup): Use priority_type.
6669         (decl_fini_priority_lookup): New function.
6670         (decl_init_priority_insert): Use priority_type.
6671         (decl_fini_priority_insert): New function.
6672         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6673         (DECL_INIT_PRIORITY): Likewise.
6674         (SET_DECL_INIT_PRIORITY): Add comment.
6675         (DECL_FINI_PRIORITY): New macro.
6676         (SET_DECL_FINI_PRIORITY): Likewise.
6677         (DEFAULT_INIT_PRIORITY): Document.
6678         (MAX_INIT_PRIORITY): Likewise.
6679         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6680         (tree_map_base): New type.
6681         (tree_map_base_eq): New function.
6682         (tree_map_base_hash): Likewise.
6683         (tree_map_base_marked_p): Likewise.
6684         (tree_map): Inherit from tree_map_base.
6685         (tree_map_eq): Make it a macro.
6686         (tree_map_marked_p): Likewise.
6687         (tree_int_map): Inherit from tree_map_base.
6688         (tree_int_map_eq): Make it a macro.
6689         (tree_int_map_hash): Likewise.
6690         (tree_int_map_marked_p): Likewise.
6691         (tree_priority_map): New type.
6692         (tree_priority_map_eq): New macro.
6693         (tree_priority_map_hash): Likewise.
6694         (tree_priority_map_marked_p): Likewise.
6695         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6696         hierarchy.
6697         (emutls_common_1): Likewise.
6698         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6699         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6700         of tree_map hierarchy.
6701         * tree-cfg.c (move_stmt_r): Likewise.
6702         (new_label_mapper): Likewise.
6703         * c-tree.h (c_expand_body): Move to ...
6704         * c-common.h (c_expand_body): ... here.
6705         * c-decl.c (c_expand_body): Move to ...
6706         * c-common.c (c_expand_body): ... here.
6707         (c_common_attribute_table): Allow 1 argument for the constructor
6708         and destructor attributes.
6709         (get_priority): New function.
6710         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6711         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6712
6713 2007-02-24  Jan Hubicka  <jh@suse.cz>
6714
6715         PR middle-end/30509
6716         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6717
6718 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6719             Jan Hubicka  <jh@suse.cz>
6720
6721         PR target/30778
6722         * i386.c (counter_mode): New function.
6723         (expand_set_or_movmem_via_loop): Use it.
6724         (expand_movmem_epilogue): Likewise; fix pasto.
6725         (ix86_expand_movmem): Do emit guard even for constant counts.
6726         (ix86_expand_setmem): Likewise.
6727
6728 2007-02-25  Nick Clifton  <nickc@redhat.com>
6729
6730         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6731         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6732
6733 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6734
6735         PR target/30770
6736         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6737         count argument with 0x10, not with 0x16.
6738         (expand_setmem_epilogue): Ditto.
6739
6740 2007-02-24  Mike Stump  <mrs@apple.com>
6741
6742         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6743         symbols.
6744
6745 2007-02-24  Richard Guenther  <rguenther@suse.de>
6746
6747         PR middle-end/30951
6748         * fold-const.c (fold_binary): Fold x +- CST op x for
6749         EQ_EXPR and NE_EXPR.
6750
6751 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6752
6753         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6754
6755 2007-02-24  Jan Hubicka  <jh@suse.cz>
6756
6757         * cgraphunit.c (decide_is_function_needed): Honor
6758         -fkeep-inline-functions.
6759
6760 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6761
6762         * builtins.c (fold_builtin_modf): New.
6763         (fold_builtin_2): Use it.
6764
6765 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6766
6767         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6768         (determine_max_iter): Take additional LOOP arg; all callers changed.
6769         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6770         one using simplifications.
6771         (simplify_using_initial_values): Return if the expression becomes
6772         invalid due to altered regs.
6773
6774 2007-02-23  DJ Delorie  <dj@redhat.com>
6775
6776         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6777
6778 2007-02-23  Mike Stump  <mrs@apple.com>
6779
6780         * tlink.c (scan_linker_output): Parse linker messages from
6781         darwin9's linker better.
6782
6783 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6784
6785         PR debug/29614
6786         * varpool.c (varpool_assemble_pending_decls):  Set
6787         varpool_last_needed_node to null.
6788
6789 2007-02-23  DJ Delorie  <dj@redhat.com>
6790
6791         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6792         alignment bigger than the object file can handle.
6793
6794 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6795
6796         PR target/30825
6797         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6798         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6799         (*movsf_1): Penalize MMX moves.
6800
6801 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6802
6803         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6804         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6805
6806         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6807
6808 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6809
6810         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6811         (fold_builtin_1): Use them.
6812         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6813         BUILT_IN_SIGNIFICAND.
6814
6815 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6816
6817         * config/i386/i386.c (bdesc_1arg): Initialize
6818         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6819         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6820         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6821         and IX86_BUILTIN_MOVSLDUP.
6822
6823 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6824
6825         PR rtl-optimization/30841
6826         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6827
6828 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6829
6830         * builtins.c (fold_builtin_frexp): New.
6831         (fold_builtin_2): Use it.
6832
6833 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6834
6835         * doc/invoke.texi (Spec Files): Document getenv spec function.
6836
6837         * gcc.c (getenv_spec_function): New function.
6838         (static_spec_functions): Add it.
6839         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6840         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6841         header files.
6842
6843 2007-02-22  Michael Matz  <matz@suse.de
6844
6845         PR c++/29433
6846         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6847         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6848
6849 2007-02-22  Ian Lance Taylor  <iant@google.com>
6850
6851         PR debug/30898
6852         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6853         (mem_loc_descriptor): Call it.
6854
6855 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6856             Ira Rosen  <irar@il.ibm.com>
6857
6858         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6859
6860 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6861
6862         PR tree-optimization/30843
6863         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6864         stores only after all the group is vectorized.
6865
6866 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6867
6868         PR tree-optimization/30858
6869         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6870         in the reduction cycle have a single use in the loop.
6871         * tree-vectorizer.h (relevant): Add documentation.
6872
6873 2007-02-20  Mike Stump  <mrs@apple.com>
6874
6875         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6876         * configure: Regenerate.
6877
6878 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6879
6880         Change the defaults of some parameters and options.
6881         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6882         * config/spu/spu.c (spu_optimization_options): Add.
6883         (spu_override_options): Change params in spu_optimization_options.
6884         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6885
6886         Register 127 is only 16 byte aligned when used as a frame pointer.
6887         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6888         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6889         HARD_FRAME_POINTER_REGNUM.
6890         (spu_legitimate_address):  Use regno_aligned_for_reload.
6891         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6892         aligned when frame_pointer_needed is true.
6893         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6894         to 8 bits.
6895         * config/spu/spu.h (INIT_EXPANDERS): Define.
6896
6897         Make sure shift and rotate instructions have valid immediate operands.
6898         * config/spu/predicates.md (spu_shift_operand): Remove.
6899         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6900         * config/spu/constraints.md (W, O): Extend range.
6901         * config/spu/spu.md (umask, nmask): Define.
6902         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6903         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6904         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6905         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6906         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6907         (lshr<mode>3_reg):  Fix rtl description.
6908
6909         Make sure mulhisi immediate operands are valid.
6910         * config/spu/predicates.md (imm_K_operand): Add.
6911         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6912
6913         Generate constants using fsmbi and andi.
6914         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6915         (print_operand, spu_split_immediate, classify_immediate,
6916         fsmbi_const_p): Handle IC_FSMBI2.
6917
6918         Correctly handle a CONST_VECTOR containing symbols.
6919         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6920         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6921         (immediate_load_p): Allow symbols that use 2 instructions to create.
6922         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6923         with symbols when flag_pic is set.
6924         (const_vector_immediate_p): New.
6925         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6926         accept a CONST_VECTOR with symbols.
6927         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6928         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6929         correctly.
6930         * config/spu/spu.md (high, low): Delete.
6931         (low_<mode>): Define.
6932
6933         Remove INTRmode and INTR_REGNUM, which didn't work.
6934         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6935         of INTR_REGNUM.
6936         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6937         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6938         peephole2 pattern): Don't use INTR or 131.
6939         (movintrcc): Delete.
6940         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6941         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6942         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6943         (UNSPEC_SET_INTR): Add.
6944         * config/spu/spu-modes.def (INTR): Remove.
6945
6946         More accurate warnings about run-time relocations.
6947         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6948
6949         Correctly warn about immediate arguments to specific intrinsics.
6950         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6951         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6952         the instruction predicate.
6953
6954         Fix tree check errors with latest update.
6955         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6956         CALL_EXPR_ARG.
6957         (spu_expand_builtin): Use CALL_EXPR_FN.
6958
6959         Add missing specific intrinsics.
6960         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6961         si_bislede.
6962         * config/spu/spu_internals.h: Ditto.
6963
6964         Fix incorrect operand modifiers.
6965         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6966         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6967
6968         Optimize one case of zero_extend of a vec_select.
6969         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6970
6971         Accept any immediate for hbr.
6972         * config/spu/spu.md (hbr):  Change s constraints to i.
6973
6974 2007-02-21  Paul Brook  <paul@codesourcery.com>
6975
6976         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6977         condexec_count when skipping USE and CLOBBER.
6978
6979 2007-02-21  Nick Clifton  <nickc@redhat.com>
6980
6981         * common.opt (Warray-bounds): Add Warning attribute.
6982         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6983         Likewise.
6984         (fsized-zeroes): Add Optimization attribute.
6985         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6986         * c.opt (Wc++0x-compat): Add Warning attribute.
6987
6988 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6989
6990         PR middle-end/30761
6991         * reload1.c (eliminate_regs_in_insn): In the single_set special
6992         case, attempt to re-recognize the insn before falling back to
6993         having reload fix it up.
6994
6995 2007-02-20  Eric Christopher  <echristo@gmail.com>
6996
6997         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6998         Rewrite accordingly.
6999         (frv_read_iacc_argument): Ditto.
7000         (frv_expand_set_builtin): Take a call instead of arglist, update for
7001         above changes.
7002         (frv_expand_unop_builtin): Ditto.
7003         (frv_expand_binop_builtin): Ditto.
7004         (frv_expand_cut_builtin): Ditto.
7005         (frv_expand_binopimm_builtin): Ditto.
7006         (frv_expand_voidbinop_builtin): Ditto.
7007         (frv_expand_int_void2arg): Ditto.
7008         (frv_expand_prefetches): Ditto.
7009         (frv_expand_voidtriop_builtin): Ditto.
7010         (frv_expand_voidaccop_builtin): Ditto.
7011         (frv_expand_load_builtin): Ditto.
7012         (frv_expand_store_builtin): Ditto.
7013         (frv_expand_mdpackh_builtin): Ditto.
7014         (frv_expand_mclracc_builtin): Ditto.
7015         (frv_expand_mrdacc_builtin): Ditto.
7016         (frv_expand_mwtacc_builtin): Ditto.
7017         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
7018         calls for above.
7019
7020 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
7021
7022         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
7023         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
7024         cmpb instruction.
7025         (HAVE_GAS_DFP): Check for assembler support of decimal floating
7026         point instructions.
7027         * configure: Regenerate.
7028         * config.in: Regenerate.
7029         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
7030         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
7031         masks to power6 and power6x and to POWERPC_MASKS.
7032         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7033         _ARCH_PWR6.
7034         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
7035         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
7036         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7037         Access PROTOTYPE as variable, not mask.
7038
7039 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7040
7041         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
7042         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
7043         * combine.c (adjust_for_new_dest): Use it.
7044         * postreload.c (reload_combine): Likewise.
7045
7046 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7047
7048         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
7049         notes on an insn with multiple sets, even if single_set returns
7050         non-NULL for that insn.
7051
7052 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7053
7054         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
7055         scalbn and scalbln.
7056
7057 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
7058
7059         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
7060         if user didn't pass it.
7061         * config/i386/darwin.h (CC1_SPEC): Likewise.
7062         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
7063         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
7064         -mmacosx-version-min.
7065
7066 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7067             Uros Bizjak  <ubizjak@gmail.com>
7068
7069         * optabs.h (enum optab_index): Add new OTI_scalb.
7070         (scalb_optab): Define corresponding macro.
7071         * optabs.c (init_optabs): Initialize scalb_optab.
7072         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
7073         patterns.
7074         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
7075         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
7076         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
7077         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
7078         flag_unsafe_math_optimizations is set.
7079
7080         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
7081         to implement scalbf, scalb and scalbl built-ins as inline x87
7082         intrinsics.
7083
7084 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7085             DJ Delorie <dj@redhat.com>
7086
7087         PR other/30824
7088         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
7089         (diagnostic_report_diagnostic): ... here, and turn them into real
7090         errors. If warnings are inhibited, no need to do anything.
7091
7092 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
7093
7094         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
7095         better code generation.
7096
7097 2007-02-20  Ben Elliston  <bje@au.ibm.com>
7098
7099         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
7100
7101 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
7102
7103         * config/alpha/alpha.c, config/alpha/alpha.md,
7104         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
7105         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
7106         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
7107         config/arm/lib1funcs.asm: Follow spelling conventions.
7108
7109         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
7110         config/fr30/fr30.md, config/i386/i386.h,
7111         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7112         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
7113         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
7114         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
7115         config/rs6000/altivec.md, config/rs6000/rs6000.c,
7116         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
7117         config/sparc/sparc.c, config/sparc/sparc.h,
7118         config/sparc/sparc.md, config/spu/constraints.md,
7119         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
7120         conventions.
7121
7122 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
7123
7124         PR target/29943
7125         * varasm.c (use_blocks_for_decl_p): Return false for decls with
7126         alias attribute.
7127
7128 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7129
7130         * doc/invoke.texi (-ftree-lrs): Remove.
7131
7132 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
7133
7134         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
7135         NULL.
7136
7137 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
7138
7139         * config/ia64/ia64.c (ia64_expand_builtin): Use the
7140         new CALL_EXPR_FN macro for retrieving the function
7141         declaration of the input expression.
7142
7143 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7144
7145         * c.opt (Waddress): New.
7146         * common.opt (Walways-true): Delete.
7147         (Wstring-literal-comparison): Delete.
7148         * doc/invoke.texi (Warning Options): Delete -Walways-true and
7149         -Wstring-literal-comparison. Add -Waddress.
7150         (Waddress): New.
7151         (Walways-true): Delete.
7152         (Wstring-literal-comparison): Delete.
7153         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
7154         consistently instead of -Walways-true in example.
7155         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
7156         * c-typeck.c (parser_build_binary_op): Replace
7157         -Wstring-literal-comparison and -Walways-true with -Waddress.
7158         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
7159         with -Waddress.
7160
7161 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7162
7163         * tree-cfg.c (dump_function_to_file): Be prepared for functions
7164         without DECL_STRUCT_FUNCTION initialized.
7165
7166 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7167
7168         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
7169         due to calls to functions taking pointers as parameters.
7170
7171 2007-02-19  Richard Henderson  <rth@redhat.com>
7172
7173         PR debug/29558
7174         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
7175         in memory.
7176
7177 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7178
7179         * config/s390/s390.c (s390_call_saved_register_used,
7180         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
7181         accessed to the new scheme.
7182
7183 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7184
7185         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
7186         (cris_print_index, cris_print_operand, cris_print_operand_address)
7187         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
7188         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
7189         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7190         GET_CODE () == xxx.
7191         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7192         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7193         GO_IF_LEGITIMATE_ADDRESS): Ditto.
7194         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7195         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7196         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7197         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7198         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7199         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7200         (uminsi3, call, call_value): Ditto.
7201         (define_split: indir_to_reg_split, unnamed): Ditto.
7202
7203 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
7204
7205         PR tree-optimization/30975
7206         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7207         wrong assert.
7208
7209 2007-02-18  Eric Christopher  <echristo@gmail.com>
7210
7211         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7212         Remove use of arglist.
7213         (mips_expand_builtin): Remove use of arglist, pass in expr.
7214         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7215         (mips_expand_builtin_movtf): Ditto.
7216         (mips_expand_builtin_compare): Ditto.
7217
7218 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7219
7220         * tree-sra.c (sra_build_assignment): Replace assertion
7221         checking with a comment explaining why it can't be done.
7222
7223 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7224
7225         PR middle-end/30833
7226         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7227         during CALL_EXPR representation conversion.
7228         * tree-ssa-propagate.c (set_rhs): Likewise.
7229
7230 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7231
7232         * tree-sra.c (sra_build_assignment): Disable assertion checking
7233         for now.
7234
7235 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7236
7237         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7238         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7239         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7240         Likewise.
7241         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7242         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
7243         gimplify_init_ctor_eval_range, gimple_push_cleanup,
7244         gimplify_omp_for, gimplify_omp_atomic_pipeline,
7245         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7246         force_gimple_operand): Likewise.
7247         * ipa-cp.c (constant_val_insert): Likewise.
7248         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7249         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7250         perfect_nestify): Likewise.
7251         * langhooks.c (lhd_omp_assignment): Likewise.
7252         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7253         lower_copyprivate_clauses, lower_send_clauses,
7254         lower_send_shared_vars, expand_parallel_call,
7255         expand_omp_for_generic, expand_omp_for_static_nochunk,
7256         expand_omp_for_static_chunk, expand_omp_sections,
7257         lower_omp_single_copy, lower_omp_for_lastprivate,
7258         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7259         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7260         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7261         Likewise.
7262
7263 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7264
7265         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7266         config/sh/sh.md: Follow spelling conventions.
7267
7268         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7269         config/frv/predicates.md: Follow spelling conventions.
7270
7271         * config/m68k/linux-unwind.h: Fix a comment typo.
7272         * target.h: Follow spelling conventions.
7273
7274 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7275
7276         PR rtl-optimization/28173
7277         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7278         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7279         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7280         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7281         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7282
7283 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7284
7285         * builtins.c (fold_builtin_load_exponent): New.
7286         (fold_builtin_2): Use it.
7287
7288 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7289
7290         PR rtl-optimization/30773
7291         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7292         if we fail to attach a REG_EQUIV note.
7293
7294 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7295             Roger Sayle  <roger@eyesopen.com>
7296
7297         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7298
7299 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7300
7301         * calls.c (initialize_argument_information): Pass original EXP
7302         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7303         code to split complex arguments here, as part of initializing the
7304         ARGS array.
7305         (expand_call): Remove code that builds a list of arguments and
7306         inserts implicit arguments into it.  Instead, just count how many
7307         implicit arguments there will be so we can determine the size of
7308         the ARGS array, and let initialize_argument_information do the work.
7309         (split_complex_values): Delete unused function.
7310
7311 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7312
7313         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7314
7315 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7316
7317         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7318         for arg pointer based indexed addressing.
7319
7320 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7321
7322         * config/ia64/ia64.h, config/ia64/ia64.md,
7323         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7324         spelling conventions.
7325
7326 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7327
7328         * config/m68k/m68k.c (split_di): New.
7329         * config/m68k/m68k-protos.h: Declare split_di.
7330         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7331           Improve predicate handling and split constant shifts.
7332
7333 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7334
7335         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7336         parameter for register bitfield operations, general predicates
7337         cleanup
7338
7339 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7340
7341         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7342         * config/m68k/linux-unwind.h: New file.
7343
7344 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7345
7346         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7347         config/i386/athlon.md, config/ia64/ia64.md,
7348         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7349         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7350         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7351         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7352         tree-vect-transform.c: Fix comment typos.
7353
7354 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7355
7356         * sched-deps.c (find_insn_list): Remove.
7357         * sched-int.h: Remove the prototype for find_insn_list.
7358
7359 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7360
7361         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7362         to linker.
7363         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7364         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7365         darwin_rs6000_override_options.
7366         (C_COMMON_OVERRIDE_OPTIONS): Expect
7367         darwin_macosx_version_min to be non-NULL always.
7368         (TARGET_C99_FUNCTIONS): Likewise.
7369         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7370         (DARWIN_MINVERSION_SPEC): New.
7371         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7372         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7373         to cc1*.
7374         (DARWIN_MINVERSION_SPEC): New.
7375         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7376         value.
7377         * config/darwin-c.c (darwin_cpp_builtins): Expect
7378         darwin_macosx_version_min to be non-NULL always.
7379
7380         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7381
7382 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7383
7384         * config/i386/i386.h (x86_use_xchgb): New.
7385         (TARGET_USE_XCHGB): New macro.
7386         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7387         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7388         Split after reload into bswaphi for shifts of 8.
7389         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7390         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7391         or when optimizing for size.
7392
7393 2007-02-16  Richard Guenther  <rguenther@suse.de>
7394             Christian Bruel  <christian.bruel@st.com>
7395
7396         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7397         DECLs but prefer SSA_NAMEs over DECLs.
7398
7399 2007-02-16  Richard Guenther  <rguenther@suse.de>
7400
7401         * tree-flow-inline.h (single_imm_use_p): Remove.
7402         (zero_imm_uses_p): Likewise.
7403         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7404         instead of single_imm_use_p.
7405         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7406         zero_imm_uses_p.
7407
7408 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7409
7410         PR other/27843
7411         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7412         nested double- and backquotes.
7413
7414 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7415
7416         PR middle-end/30391
7417         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7418         should be unreachable.
7419         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7420         For the time being redirect GIMPLE_MODIFY_STMT to the new
7421         (renamed) build_gimple_modify_stmt_stat.
7422         (build2_gimple_stat): Rename to...
7423         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7424         Always build a GIMPLE_MODIFY_STMT node.
7425         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7426         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7427         declarations.
7428
7429         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7430         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7431         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7432         expand_complex_div_wide): Likewise.
7433         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7434         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7435         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7436         * tree-ssa-loop-manip.c (create_iv): Likewise.
7437         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7438         abs_replacement): Likewise.
7439         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7440         realify_fake_stores): Likewise.
7441
7442         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7443         node rather than a GIMPLE_MODIFY_STMT node.
7444         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7445         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7446         Likewise.
7447         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7448         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7449         GIMPLE_MODIFY_STMT.
7450
7451 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7452
7453         PR middle-end/30433
7454         * fold-const.c (fold_comparison): Add back the
7455         folding of constant complex comparisions.
7456
7457 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7458
7459         PR middle-end/30729
7460         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7461         effects unknown to this function, return early.
7462
7463 2007-02-15  Ian Lance Taylor  <iant@google.com>
7464
7465         * lower-subreg.c (move_eh_region_note): New static function.
7466         (resolve_simple_move): Call it.
7467         (decompose_multiword_subregs): Track blocks for which we resolve a
7468         simple move which is also a control flow insn.  Pass them to
7469         find_many_sub_basic_blocks.
7470         (pass_lower_subreg): Add TODO_verify_flow.
7471         (pass_lower_subreg2): Likewise.
7472
7473 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7474             Brooks Moses  <brooks.moses@codesourcery.com>
7475             Lee Millward  <lee.millward@codesourcery.com>
7476
7477         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7478         (VL_EXP_CLASS_P): New.
7479         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7480         TREE_CODE_LENGTH.
7481         (TREE_OPERAND_CHECK_CODE): Likewise.
7482         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7483         (TREE_RTL_OPERAND_CHECK): Likewise.
7484         (tree_operand_check_failed): Make second parameter the whole tree
7485         instead of its code.  Fixed callers.
7486         (VL_EXP_CHECK): New.
7487         (TREE_OPERAND_LENGTH): New.
7488         (VL_EXP_OPERAND_LENGTH): New.
7489         (CALL_EXPR_FN): New.
7490         (CALL_EXPR_STATIC_CHAIN): New.
7491         (CALL_EXPR_ARGS): New.
7492         (CALL_EXPR_ARG): New.
7493         (call_expr_nargs): New.
7494         (CALL_EXPR_ARGP): New.
7495         (build_nt_call_list): Declare.
7496         (build_vl_exp_stat): Declare.
7497         (build_vl_exp): New.
7498         (build_call_list): Declare.
7499         (build_call_nary): Declare.
7500         (build_call_valist): Declare.
7501         (build_call_array): Declare.
7502         (call_expr_arg): Declare.
7503         (call_expr_argp): Declare.
7504         (call_expr_arglist): Declare.
7505         (fold_build_call_list): Declare.
7506         (fold_build_call_list_initializer): Declare.
7507         (fold_call_expr): Declare to replace fold_builtin.
7508         (fold_builtin_fputs): Update to agree with modified definition.
7509         (fold_builtin_strcpy): Likewise.
7510         (fold_builtin_strncpy): Likewise.
7511         (fold_builtin_memory_chk): Likewise.
7512         (fold_builtin_stxcpy_chk): Likewise.
7513         (fold_builtin_strncpy_chk): Likewise.
7514         (fold_builtin_next_arg): Likewise.
7515         (fold_build_call_expr): Declare.
7516         (fold_builtin_call_list): Declare.
7517         (fold_builtin_call_valist): Declare.
7518         (build_call_expr): Declare.
7519         (validate_arglist): Update to agree with modified definition.
7520         (tree_operand_length): New.
7521         (call_expr_arg_iterator): New.
7522         (init_call_expr_arg_iterator): New.
7523         (next_call_expr_arg): New.
7524         (first_call_expr_arg): New.
7525         (more_call_expr_args_p): New.
7526         (FOR_EACH_CALL_EXPR_ARG): New.
7527
7528         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7529         and tcc_gimple_stmt.
7530         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7531         than sizeof (char *).
7532         (tree_size): Likewise.  Add case for tcc_vl_exp.
7533         (tree_node_structure): Add case for tcc_vl_exp.
7534         (contains_placeholder_p): Likewise.
7535         (substitute_in_expr): Likewise.
7536         (substitute_placeholder_in_expr): Likewise.
7537         (stabilize_reference_1): Likewise.
7538         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7539         to diagnose breakage of this interface for constructing CALL_EXPRs.
7540         (build_nt): Add similar assertion here.
7541         (build_nt_call_list): New.
7542         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7543         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7544         TREE_CODE_LENGTH.
7545         (get_callee_fndecl): Use new CALL_EXPR accessors.
7546         (tree_operand_check_failed): Change parameters to pass entire node
7547         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7548         (process_call_operands): New.
7549         (build_vl_exp_stat): New.
7550         (build_call_list): New.
7551         (build_call_nary): New.
7552         (build_call_valist): New.
7553         (build_call_array): New.
7554         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7555         (call_expr_arglist): New.
7556
7557         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7558         tcc_vl_exp instead of a fixed-size tcc_expression.
7559
7560         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7561         accessors for CALL_EXPRs.
7562         (AGGR_INIT_EXPR): Likewise.
7563
7564 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7565             Brooks Moses  <brooks.moses@codesourcery.com>
7566             Lee Millward  <lee.millward@codesourcery.com>
7567
7568         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7569         (expand_builtin_nonlocal_goto): Change parameter to be entire
7570         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7571         (expand_builtin_prefetch): Likewise.
7572         (expand_builtin_classify_type): Likewise.
7573         (mathfn_built_in): Return NULL_TREE instead of 0.
7574         (expand_errno_check): Use new CALL_EXPR accessors.
7575         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7576         Return NULL_RTX instead of 0.
7577         (expand_builtin_mathfn_2): Likewise.
7578         (expand_builtin_mathfn_3): Likewise.
7579         (expand_builtin_interclass_mathfn): Likewise.
7580         (expand_builtin_sincos): Likewise.
7581         (expand_builtin_cexpi): Likewise.
7582         (expand_builtin_int_roundingfn): Likewise.
7583         (expand_builtin_int_roundingfn_2): Likewise.
7584         (expand_builtin_pow): Likewise.
7585         (expand_builtin_powi): Likewise.
7586         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7587         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7588         accessors and constructors.  Return NULL_RTX instead of 0.
7589         (expand_builtin_strstr): Likewise.
7590         (expand_builtin_strchr): Likewise.
7591         (expand_builtin_strrchr): Likewise.
7592         (expand_builtin_strpbrk): Likewise.
7593         (expand_builtin_memcpy): Likewise.
7594         (expand_builtin_mempcpy): Likewise.
7595         (expand_builtin_mempcpy_args): New.
7596         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7597         (expand_builtin_memmove_args): New.
7598         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7599         (expand_movstr): Likewise.
7600         (expand_builtin_strcpy): Likewise.
7601         (expand_builtin_strcpy_args): New.
7602         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7603         (expand_builtin_strncpy): Likewise.
7604         (expand_builtin_memset): Likewise.
7605         (expand_builtin_memset_args): New.
7606         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7607         (expand_builtin_memcmp): Likewise.
7608         (expand_builtin_strcmp): Likewise.
7609         (expand_builtin_strncmp): Likewise.
7610         (expand_builtin_strcat): Likewise.
7611         (expand_builtin_strncat): Likewise.
7612         (expand_builtin_strspn): Likewise.
7613         (expand_builtin_strcspn): Likewise.
7614         (expand_builtin_args_info): Likewise.
7615         (expand_builtin_va_start): Likewise.
7616         (gimplify_va_arg_expr): Likewise.
7617         (expand_builtin_va_end): Likewise.
7618         (expand_builtin_va_copy): Likewise.
7619         (expand_builtin_frame_address): Likewise.
7620         (expand_builtin_alloca): Likewise.
7621         (expand_builtin_bswap): Likewise.
7622         (expand_builtin_unop): Likewise.
7623         (expand_builtin_fputs): Likewise.
7624         (expand_builtin_expect): Likewise.
7625         (expand_builtin_fabs): Likewise.
7626         (expand_builtin_copysign): Likewise.
7627         (expand_builtin_printf): Likewise.
7628         (expand_builtin_fprintf): Likewise.
7629         (expand_builtin_sprintf): Likewise.
7630         (expand_builtin_init_trampoline): Likewise.
7631         (expand_builtin_signbit): Likewise.
7632         (expand_builtin_fork_or_exec): Likewise.
7633         (expand_builtin_sync_operation): Likewise.
7634         (expand_builtin_compare_and_swap): Likewise.
7635         (expand_builtin_lock_test_and_set): Likewise.
7636         (expand_builtin_lock_release): Likewise.
7637         (expand_builtin): Likewise.
7638         (builtin_mathfn_code): Likewise.
7639
7640         (fold_builtin_constant_p): Pass call arguments individually instead
7641         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7642         accessors and constructors.  Return NULL_TREE instead of 0.
7643         (fold_builtin_expect): Likewise.
7644         (fold_builtin_classify_type): Likewise.
7645         (fold_builtin_strlen): Likewise.
7646         (fold_builtin_nan): Likewise.
7647         (integer_valued_real_p): Likewise.
7648         (fold_trunc_transparent_mathfn): Likewise.
7649         (fold_fixed_mathfn): Likewise.
7650         (fold_builtin_cabs): Likewise.
7651         (fold_builtin_sqrt): Likewise.
7652         (fold_builtin_cbrt): Likewise.
7653         (fold_builtin_cos): Likewise.
7654         (fold_builtin_cosh): Likewise.
7655         (fold_builtin_tan): Likewise.
7656         (fold_builtin_sincos): Likewise.
7657         (fold_builtin_cexp): Likewise.
7658         (fold_builtin_trunc): Likewise.
7659         (fold_builtin_floor): Likewise.
7660         (fold_builtin_ceil): Likewise.
7661         (fold_builtin_round): Likewise.
7662         (fold_builtin_int_roundingfn): Likewise.
7663         (fold_builtin_bitop): Likewise.
7664         (fold_builtin_bswap): Likewise.
7665         (fold_builtin_logarithm): Likewise.
7666         (fold_builtin_hypot): Likewise.
7667         (fold_builtin_pow): Likewise.
7668         (fold_builtin_powi): Likewise.
7669         (fold_builtin_exponent): Likewise.
7670         (fold_builtin_memset): Likewise.
7671         (fold_builtin_bzero): Likewise.
7672         (fold_builtin_memory_op): Likewise.
7673         (fold_builtin_bcopy): Deleted; call site changed to invoke
7674         fold_builtin_memory_op directly.
7675         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7676         (fold_builtin_strncpy): Likewise.
7677         (fold_builtin_memcmp): Likewise.
7678         (fold_builtin_strcmp): Likewise.
7679         (fold_builtin_strncmp): Likewise.
7680         (fold_builtin_signbit): Likewise.
7681         (fold_builtin_copysign): Likewise.
7682         (fold_builtin_isascii): Likewise.
7683         (fold_builtin_toascii): Likewise.
7684         (fold_builtin_isdigit): Likewise.
7685         (fold_builtin_fabs): Likewise.
7686         (fold_builtin_abs): Likewise.
7687         (fold_builtin_fmin_fmax): Likewise.
7688         (fold_builtin_carg): Likewise.
7689         (fold_builtin_classify): Likewise.
7690         (fold_builtin_unordered_cmp): Likewise.
7691
7692         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7693         New functions split out from fold_builtin_1.
7694         (fold_builtin_n): New.
7695         (fold_builtin_varargs): New.
7696         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7697         instead.
7698         (fold_call_expr): New.
7699         (build_function_call_expr): Rewrite to use new helper function.
7700         (fold_builtin_call_list): New.
7701         (build_call_expr): New.
7702         (fold_builtin_call_valist): New.
7703         (rewrite_call_expr): New.
7704         (validate_arg): New.
7705         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7706         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7707         accessors.
7708
7709         (fold_builtin_strstr):  Pass call arguments individually instead
7710         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7711         accessors and constructors.  Return NULL_TREE instead of 0.
7712         (fold_builtin_strchr): Likewise.
7713         (fold_builtin_strrchr): Likewise.
7714         (fold_builtin_strpbrk): Likewise.
7715         (fold_builtin_strcat): Likewise.
7716         (fold_builtin_strncat): Likewise.
7717         (fold_builtin_strspn): Likewise.
7718         (fold_builtin_strcspn): Likewise.
7719         (fold_builtin_fputs): Likewise.
7720         (fold_builtin_next_arg): Likewise.
7721         (fold_builtin_sprintf): Likewise.
7722
7723         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7724         NULL_RTX instead of 0.
7725         (expand_builtin_memory_chk): Likewise.
7726         (maybe_emit_chk_warning): Likewise.
7727         (maybe_emit_sprintf_chk_warning): Likewise.
7728
7729         (fold_builtin_object_size): Pass call arguments individually instead
7730         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7731         accessors and constructors.  Return NULL_TREE instead of 0.
7732         (fold_builtin_memory_chk): Likewise.
7733         (fold_builtin_stxcpy_chk): Likewise.
7734         (fold_builtin_strncpy_chk): Likewise.
7735         (fold_builtin_strcat_chk): Likewise.
7736         (fold_builtin_strcat_chk): Likewise.
7737         (fold_builtin_strncat_chk): Likewise.
7738         (fold_builtin_sprintf_chk): Likewise.
7739         (fold_builtin_snprintf_chk): Likewise.
7740         (fold_builtin_printf): Likewise.
7741         (fold_builtin_vprintf): Likewise.
7742
7743         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7744         constructors.
7745         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7746         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7747         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7748         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7749         (fold_unary): Likewise.
7750         (fold_binary): Likewise.
7751         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7752         ternary expressions.
7753         (fold): Add logic for tcc_vl_exp.
7754         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7755         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7756         (fold_build3_stat): Add assertion to flag broken interface for
7757         constructing CALL_EXPRs.
7758         (fold_build_call_list): New.
7759         (fold_build_call_list_initializer): New.
7760         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7761         constructors.
7762         (fold_strip_sign_ops): Likewise.
7763
7764 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7765             Brooks Moses  <brooks.moses@codesourcery.com>
7766             Lee Millward  <lee.millward@codesourcery.com>
7767
7768         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7769         accessors and dump arguments explicitly.
7770
7771         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7772         TREE_CODE_LENGTH.
7773         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7774         explicitly.
7775         (print_call_name): Use new CALL_EXPR accessors.
7776
7777         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7778         CALL_EXPR arguments explicitly instead of as a list.  Use
7779         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7780
7781         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7782         (vrp_visit_stmt): Likewise.
7783
7784         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7785         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7786         TREE_CODE_LENGTH.
7787         (force_move_till_expr): Likewise.
7788
7789         * targhooks.c (default_external_stack_protect_fail): Use
7790         build_call_expr instead of build_function_call_expr.
7791         (default_hidden_stack_protect_fail): Likewise.
7792
7793         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7794         build the call.
7795
7796         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7797         and walk arguments explicitly.
7798
7799         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7800         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7801         (expand_simple_operations): Likewise.
7802         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7803
7804         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7805         of TREE_CODE_LENGTH.
7806         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7807
7808         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7809         instead of TREE_CODE_LENGTH.
7810
7811         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7812         (tree_ic_transform): Likewise.
7813         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7814         parameter instead of arglist.  Fix callers.
7815         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7816         (tree_stringops_transform): Likewise.
7817         (tree_indirect_call_to_profile): Likewise.
7818         (tree_stringops_values_to_profile): Likewise.
7819
7820         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7821         (eliminate_tail_call): Likewise.
7822
7823         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7824
7825         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7826         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7827         operands.
7828         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7829
7830         * omp-low.c (build_omp_barrier): Use build_call_expr.
7831         (lower_rec_input_clauses): Likewise.
7832         (lower_reduction_clauses): Likewise.
7833         (expand_parallel_call): Likewise.
7834         (maybe_catch_exception): Likewise.
7835         (expand_omp_for_generic): Likewise.
7836         (expand_omp_for_static_nochunk): Likewise.
7837         (expand_omp_sections): Likewise.
7838         (lower_omp_single_simple): Likewise.
7839         (lower_omp_single_copy): Likewise.
7840         (lower_omp_master): Likewise.
7841         (lower_omp_ordered): Likewise.
7842         (lower_omp_critical): Likewise.
7843
7844         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7845         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7846
7847         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7848         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7849         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7850
7851         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7852         and generalize to handle any number of operands.
7853         (chrec_contains_undetermined): Likewise.
7854         (tree_contains_chrecs): Likewise.
7855         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7856
7857         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7858
7859         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7860         fold_call_expr instead of fold_builtin.
7861         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7862         match declarations there.
7863         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7864         updates.
7865
7866         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7867         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7868
7869         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7870         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7871
7872         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7873         accessors.
7874
7875         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7876         (execute_cse_sincos): Use new CALL_EXPR accessors.
7877
7878         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7879
7880         * gimple-low.c (lower_function_body): Use build_call_expr.
7881         (lower_builtin_setjmp): Likewise.
7882
7883         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7884         (set_storage_via_libcall): Likewise.
7885         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7886         instead of TREE_CODE_LENGTH.
7887         (expand_expr_real_1): Use new CALL_EXPR accessors.
7888
7889         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7890         generalize to handle any number of operands.
7891         (TB_parent_eq): Likewise.
7892
7893         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7894         (strip_builtin_expect): Likewise.
7895
7896         * function.c (gimplify_parameters): Use build_call_expr.
7897
7898         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7899         instead of TREE_CODE_LENGTH.
7900
7901         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7902         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7903
7904         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7905         iterators.
7906
7907         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7908         (gimplify_decl_expr): Likewise.
7909         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7910         Use new CALL_EXPR iterators.
7911         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7912         (gimplify_modify_expr_to_memset): Likewise.
7913         (gimplify_variable_sized_compare): Likewise.
7914         (gimplify_omp_atomic_fetch_op): Likewise.
7915         (gimplify_omp_atomic_pipeline): Likewise.
7916         (gimplify_omp_atomic_mutex): Likewise.
7917         (gimplify_function_tree): Likewise.
7918
7919         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7920         (call_expr_flags): Likewise.
7921         (expand_call): Likewise.
7922
7923         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7924         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7925         accessors.
7926
7927         * coverage.c (create_coverage): Use build_call_expr.
7928
7929         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7930         (temp_call_expr_obstack): New.
7931         (pool_copy_list): Delete.
7932         (temp_copy_call_expr): New.
7933         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7934         CALL_EXPR accessors.  Get rid of special goo for copying argument
7935         lists and use temp_copy_call_expr instead.
7936         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7937         CALL_EXPR accessors.
7938         (create_expression_by_pieces): Likewise.  Use build_call_array
7939         to construct the result instead of fold_build3.
7940         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7941         dealing with argument lists.
7942         (init_pre): Remove references to expression_node_pool and
7943         list_node_pool.  Init temp_call_expr_obstack instead.
7944         (fini_pre): Remove references to expression_node_pool and
7945         list_node_pool.
7946
7947         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7948         and walk arguments explicitly instead of as a list.
7949
7950         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7951         (mx_register_decls): Likewise.
7952         (mudflap_register_call): Likewise.
7953         (mudflap_finish_file): Likewise.
7954
7955         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7956         (ipa_callsite_compute_param): Likewise.
7957
7958         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7959         accessors and constructor.
7960
7961         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7962         accessors and constructor.
7963         (convert_tramp_reference): Likewise.
7964         (convert_call_expr): Likewise.
7965         (finalize_nesting_tree_1): Likewise.
7966
7967         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7968         accessors.
7969
7970         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7971
7972         * tree-inline.c (initialize_inlined_parameters): Pass entire
7973         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7974         accessors.
7975         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7976         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7977
7978         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7979         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7980         (vectorizable_reduction): Likewise.
7981         (vectorizable_call): Use new CALL_EXPR iterators.
7982         (vectorizable_conversion): Use build_call_expr.
7983         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7984         (vect_gen_widened_results_half): Use build_call_expr.
7985         (vect_setup_realignment): Likewise.
7986         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7987
7988         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7989         (pass_through_call): Likewise.
7990         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7991         fold_builtin.
7992
7993         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7994         (tree_gen_pow2_profiler): Likewise.
7995         (tree_gen_one_value_profiler): Likewise.
7996         (tree_gen_ic_func_profiler): Likewise.
7997         (tree_gen_average_profiler): Likewise.
7998         (tree_gen_ior_profiler): Likewise.
7999
8000         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
8001         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
8002         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8003
8004         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
8005         of TREE_CODE_LENGTH.
8006
8007         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
8008         of TREE_CODE_LENGTH.
8009
8010         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
8011         constructor.
8012         (convert_to_integer): Likewise.
8013
8014         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
8015         accessors.
8016
8017 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8018             Brooks Moses  <brooks.moses@codesourcery.com>
8019             Lee Millward  <lee.millward@codesourcery.com>
8020
8021         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
8022         accessors.
8023         * config/frv/frv.c (frv_expand_builtin): Likewise.
8024         * config/s390/s390.c (s390_expand_builtin): Likewise.
8025
8026         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
8027         (sparc_expand_builtin): Use new CALL_EXPR accessors.
8028
8029         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
8030         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
8031         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
8032         (ix86_expand_store_builtin): Likewise.
8033         (ix86_expand_unop_builtin): Likewise.
8034         (ix86_expand_unop1_builtin): Likewise.
8035         (ix86_expand_sse_compare): Likewise.
8036         (ix86_expand_sse_comi): Likewise.
8037         (ix86_expand_vec_init_builtin): Likewise.
8038         (ix86_expand_vec_ext_builtin): Likewise.
8039         (ix86_expand_vec_set_builtin): Likewise.
8040         (ix86_expand_builtin): Use new CALL_EXPR accessors.
8041
8042         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
8043         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8044
8045         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
8046         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8047         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
8048
8049         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
8050         build_call_expr.
8051         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8052         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
8053         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8054         (altivec_expand_abs_builtin): Likewise.
8055         (rs6000_expand_binop_builtin): Likewise.
8056         (altivec_expand_predicate_builtin): Likewise.
8057         (altivec_expand_lv_builtin): Likewise.
8058         (spe_expand_stv_builtin): Likewise.
8059         (altivec_expand_stv_builtin): Likewise.
8060         (rs6000_expand_ternop_builtin): Likewise.
8061         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
8062         (altivec_expand_st_builtin): Likewise.
8063         (altivec_expand_dst_builtin): Likewise.
8064         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
8065         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8066         (altivec_expand_vec_set_builtin): Likewise.
8067         (altivec_expand_vec_ext_builtin): Likewise.
8068         (altivec_expand_builtin): Use new CALL_EXPR accessors.
8069         (spe_expand_builtin): Likewise.
8070         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
8071         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8072         (spe_expand_evsel_builtin): Likewise.
8073         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
8074         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
8075
8076         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
8077         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8078         (arm_expand_unop_builtin): Likewise.
8079         (arm_expand_builtin): Use new CALL_EXPR accessors.
8080
8081         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
8082         accessors.
8083
8084         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
8085         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8086         (bfin_expand_unop_builtin): Likewise.
8087         (bfin_expand_builtin): Use new CALL_EXPR accessors.
8088
8089 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8090             Brooks Moses  <brooks.moses@codesourcery.com>
8091             Lee Millward  <lee.millward@codesourcery.com>
8092
8093         * c-semantics.c (build_stmt): Add internal diagnostic check.
8094
8095         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
8096         accessors.  Print arguments explicitly instead of as a list.
8097
8098         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
8099
8100         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
8101         (c_finish_omp_flish): Likewise.
8102
8103         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
8104         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
8105         instead of TREE_CODE_LENGTH.
8106         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
8107         (c_warn_unused_result): Likewise.
8108
8109 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8110
8111         PR c/26494
8112         * doc/invoke.texi (Warning Options): Remove
8113         -Werror-implicit-function-declaration.
8114         (Wimplicit-function-declaration): Update description.
8115         * opts.c (common_handle_option): Move handling of -Werror=* to...
8116         (enable_warning_as_error): ...here.
8117         * opts.h (enable_warning_as_error): Declare.
8118         * c-decl.c (implicit_decl_warning): Unless
8119         -Wno-implicit-function-declaration is given, emit a pedwarn if
8120         -std=c99 or emit a warning if -Wimplicit-function-declaration.
8121         * c.opt (Wimplicit-function-declaration): Replace
8122         mesg_implicit_function_declaration with
8123         warn_implicit_function_declaration.
8124         * c-opts.c (c_common_handle_option):
8125         -Werror-implicit-function-declaration is exactly equal as
8126         -Werror=implicit-function-declaration.
8127         (set_Wimplicit): Replace mesg_implicit_function_declaration with
8128         warn_implicit_function_declaration.
8129         (c_common_post_options): -Wimplict-function-declaration is enabled
8130         by default by -std=c99, otherwise is disabled by default.
8131         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
8132
8133 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8134
8135         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
8136         DECL on the rhs to a DECL on the lhs for debug info purposes if the
8137         former is ignored but not the latter.
8138
8139 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8140
8141         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
8142         is made and the reference doesn't use the alias set of its type,
8143         do not create the temporary using that type.
8144
8145 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
8146
8147         * jump.c: Remove prototypes for delete_computation and
8148         delete_prior_computation.
8149
8150 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8151
8152         * jump.c (get_label_after): Delete.
8153         (get_label_before, delete_computation, delete_jump,
8154         delete_prior_computation, follow_jumps): Move...
8155         * reorg.c (delete_computation, delete_prior_computation): ... here...
8156         (get_label_before, delete_jump): ... making these static ...
8157         (follow_jumps): ... and simplifying this since it only runs after
8158         reload.
8159         * rtl.h (get_label_after, get_label_before, delete_jump,
8160         follow_jumps): Delete prototypes.
8161
8162 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8163
8164         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
8165
8166 2007-02-15  Nick Clifton  <nickc@redhat.com>
8167
8168         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
8169         order to prevent it from being munged by the target.
8170
8171 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
8172
8173         * config/i386/i386.md: Remove misleading comment.
8174
8175 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8176
8177         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
8178         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
8179         invalid patterns.
8180
8181 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8182
8183         * tree-sra.c (instantiate_missing_elements): Canonicalize
8184         bit-field types.
8185         (sra_build_assignment): New.
8186         (generate_copy_inout, generate_element_copy,
8187         generate_element_zero, generate_one_element_init): Use it.
8188
8189 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8190
8191         * tree-sra.c (instantiate_missing_elements): Canonicalize
8192         bit-field types.
8193         (sra_build_assignment): New.
8194         (generate_copy_inout, generate_element_copy,
8195         generate_element_zero, generate_one_element_init): Use it.
8196
8197 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8198
8199         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8200         limbo die nodes.
8201
8202 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
8203
8204         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8205         types as aggregates not scalars.
8206         * function.c (assign_stack_temp_for_type): Likewise.
8207
8208 2007-02-14  Roger Sayle  <roger@eyesopen.com>
8209             Zdenek Dvorak  <dvorakz@suse.cz>
8210
8211         * tree-dump.c (dump_switch_p_1): Require exact match of the option
8212         name.
8213
8214 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
8215
8216         * passes.c (next_pass_1): Clear the next field of the copied
8217         pass structure.
8218
8219 2007-02-14  Richard Henderson  <rth@redhat.com>
8220
8221         * tree-sra.c (early_sra): New.
8222         (decl_can_be_decomposed_p): Deny va_list if early_sra.
8223         (tree_sra_early, pass_sra_early): New.
8224         * tree-pass.h (pass_sra_early): Declare.
8225         * passes.c (init_optimization_passes): Use it.
8226
8227 2007-02-14  Richard Guenther  <rguenther@suse.de>
8228
8229         * flags.h (issue_strict_overflow_warning): Convert to a macro.
8230
8231 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
8232
8233          PR tree-optimization/30771
8234         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8235         also phi nodes.
8236         (vect_analyze_operations): Induction phis can now be marked as
8237         used_in_loop.
8238         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8239         Update documentation accordingly.
8240
8241 2007-02-14  Nick Clifton  <nickc@redhat.com>
8242
8243         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8244         most 3 arguments are supported.
8245         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8246
8247 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
8248
8249         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8250         Ensure dst->current is valid.
8251
8252 2007-02-13  Paul Brook  <paul@codesourcery.com>
8253
8254         * config.gcc: Add arm*-*-uclinux-*eabi.
8255         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8256         (SUBTARGET_EXTRA_LINK_SPEC): Define.
8257         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8258         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8259         (LINK_SPEC): Define.
8260         (LIB_SPEC): Define.
8261         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8262         register.
8263         * config/arm/uclinux-eabi.h: New file.
8264         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8265         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8266         based targets.
8267
8268 2007-02-13  Ian Lance Taylor  <iant@google.com>
8269
8270         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8271         * flags.h (warn_strict_overflow): Declare.
8272         (enum warn_strict_overflow_code): Define.
8273         (issue_strict_overflow_warning): New static inline function.
8274         * opts.c (warn_strict_overflow): New variable.
8275         (common_handle_option): Handle OPT_Wstrict_overflow and
8276         OPT_Wstrict_overflow_.
8277         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8278         OPT_Wall.
8279         * fold-const.c: Include intl.h.
8280         (fold_deferring_overflow_warnings): New static variable.
8281         (fold_deferred_overflow_warning): New static variable.
8282         (fold_deferred_overflow_code): New static variable.
8283         (fold_defer_overflow_warnings): New function.
8284         (fold_undefer_overflow_warnings): New function.
8285         (fold_undefer_and_ignore_overflow_warnings): New function.
8286         (fold_deferring_overflow_warnings_p): New function.
8287         (fold_overflow_warning): New static function.
8288         (make_range): Add strict_overflow_p parameter.  Change all
8289         callers.
8290         (extract_muldiv, extract_muldiv_1): Likewise.
8291         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8292         tree_expr_nonnegative_p.
8293         (fold_negate_expr): Call fold_overflow_warning.
8294         (fold_range_test): Likewise.
8295         (fold_comparison): Likewise.
8296         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8297         instead of tree_expr_nonnegative_p.
8298         (tree_expr_nonnegative_warnv_p): Rename from
8299         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8300         (tree_expr_nonnegative_p): New function.
8301         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8302         strict_overflow_p parameter.
8303         (tree_expr_nonzero_p): New function.
8304         * passes.c (verify_interpass_invariants): New static function.
8305         (execute_one_pass): Call it.
8306         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8307         warnings.
8308         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8309         (estimate_numbers_of_iterations): Likewise.
8310         (scev_probably_wraps_p): Likewise.
8311         * tree-ssa-ccp.c: Include "toplev.h".
8312         (evaluate_stmt): Defer fold overflow warnings until we know we are
8313         going to optimize.
8314         (struct fold_stmt_r_data): Add stmt field.
8315         (fold_stmt_r): Defer fold overflow warnings until we know we
8316         optimized.
8317         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8318         (fold_stmt_inplace): Likewise.
8319         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8320         (cleanup_control_expr_graph): Defer fold overflow warnings until
8321         we know we are going to optimize.
8322         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8323         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8324         Likewise.
8325         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8326         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8327         * tree-ssa-loop-manip.c (create_iv): Likewise.
8328         * c-typeck.c (build_conditional_expr): Likewise.
8329         (build_binary_op): Likewise.
8330         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8331         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8332         (extract_range_from_unary_expr): Likewise.
8333         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8334         assuming that signed overflow does not occur.
8335         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8336         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8337         (fold_defer_overflow_warnings): Declare.
8338         (fold_undefer_overflow_warnings): Declare.
8339         (fold_undefer_and_ignore_overflow_warnings): Declare.
8340         (fold_deferring_overflow_warnings_p): Declare.
8341         (tree_expr_nonzero_warnv_p): Declare.
8342         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8343         of warning options.
8344         (Warning Options): Document -Wstrict-overflow.
8345         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8346         (tree-ssa-ccp.o): Likewise.
8347         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8348         (fold-const.o): Depend on intl.h.
8349
8350 2007-02-13  Ian Lance Taylor  <iant@google.com>
8351
8352         PR middle-end/30751
8353         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8354         addresses.
8355
8356 2007-02-13  Stuart Hastings  <stuart@apple.com>
8357
8358         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8359
8360 2007-02-13  Richard Henderson  <rth@redhat.com>
8361
8362         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8363         handled_component_p before looking for the indirect_ref.
8364
8365 2007-02-13  Richard Henderson  <rth@redhat.com>
8366
8367         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8368         remove flags clobber.
8369         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8370         (bswaphi_lowpart): New.
8371         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8372         remove TARGET_BSWAP test.  Delete expander of the same name.
8373
8374         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8375         (expand_unop): Use them.
8376
8377 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8378
8379         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8380         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8381         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8382         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8383         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8384         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8385         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8386         assembler dialect choice from asm templates.
8387
8388 2007-02-12  Richard Henderson  <rth@redhat.com>
8389
8390         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8391         (fixuns_trunc<SSEMODEF>si2): Use it.
8392         * config/i386/sse.md (vec_setv4sf_0): Export.
8393         * config/i386/i386.c (ix86_build_const_vector): Export.
8394         (ix86_split_convert_uns_si_sse): Rename from
8395         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8396         * config/i386/i386-protos.h: Update.
8397
8398 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8399
8400         PR c/29521
8401         * c-typeck.c (c_finish_return): Improve warning message.
8402
8403 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8404
8405         * alias.c (find_symbolic_term): Delete unused function.
8406
8407 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8408
8409         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8410         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8411         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8412
8413 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8414
8415         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8416         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8417         the function, temporarily point the debug interface to the null one.
8418
8419 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8420
8421         * dwarf2out.c (round_up_to_align): New static function.
8422         (field_byte_offset): Use it to round the offset.
8423
8424 2007-02-12  Richard Henderson  <rth@redhat.com>
8425
8426         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8427         (inswl_const): Export.
8428
8429 2007-02-12  Richard Henderson  <rth@redhat.com>
8430
8431         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8432         result mode of the libcall, convert back to outmode.
8433
8434 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8435
8436         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8437         (bswapdi2): New define_expand to implement 32-bit implementation.
8438
8439 2007-02-12  Nick Clifton  <nickc@redhat.com>
8440
8441         * doc/invoke.texi (Overall Options): Document --help=.
8442         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8443         (cc1_options): Pass --help= on to cc1.
8444         (display_help): Add description of --help=.
8445         (process_command): Add code to handle --help=.  Allow translated
8446         --help and --target-help switches to be passed on to compiler
8447         sub-process.
8448         (main): Remove unused if statement.
8449         * opts.c (columns): Remove.
8450         (LEFT_COLUMN): Define.
8451         (wrap_help): Add columns argument.
8452         (print_filtered_help): Change parameters to be an include bitmask,
8453         an exclude bitmask, an any bitmask and the column width.  Move the
8454         code to display the params list here.  Add code to display the
8455         status of options rather than their descriptions if the quiet flag
8456         is not active.
8457         (print_specific_help): Change parameters to be an include bitmask,
8458         an exclude bitmask and an any bitmask.  Move code to look up the
8459         column width here.  Decide upon the title for an options listing.
8460         (common_handle_options): Add code to handle --help=.  Adapt code
8461         for --help and --target-help to use the revised form of the
8462         print_specific_help function.
8463         (print_help): Delete.
8464         (print_param_help): Delete.
8465         (print_switch): Delete.
8466         * opts.h (cl_lang_count): Add prototype.
8467         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8468         CL_MAX_OPTION_CLASS): New defines.
8469         * optc-gen.awk: Add construction of cl_lang_count.
8470         * c.opt: Add Warning attribute to warning options and Optimization
8471         attribute to optimization options.
8472         * common.opt: Likewise.
8473         Add --help=.
8474         Add -fhelp and -ftarget-help as aliases for the transformed --help
8475         and --target-help options.
8476         * opt-functions.awk: Add code to handle Warning and Optimization
8477         attributes.
8478
8479 2007-02-12  Richard Henderson  <rth@redhat.com>
8480
8481         * config/alpha/constraints.md: New file.
8482         * config/alpha/alpha.c: Include tm-constrs.h.
8483         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8484         alpha_extra_constraint): Remove.
8485         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8486         * config/alpha/alpha-protos.h: Update.
8487         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8488         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8489         (EXTRA_CONSTRAINT): Remove.
8490         * config/alpha/alpha.md: Include constraints.md.
8491         (adddi splitter): Use satisfies_constraint_*.
8492         * config/alpha/predicates.md (add_operand): Likewise.
8493         (sext_add_operand, addition_operation): Likewise.
8494
8495 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8496
8497         PR tree-optimization/29145
8498         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8499         in our handling of restrict qualified pointers.
8500
8501 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8502
8503         PR middle-end/7651
8504         * doc/invoke.texi (Wunused-value): Update description.
8505         (Wextra): Delete item.
8506         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8507         value of Wunused-value.
8508         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8509         (c_finish_stmt_expr): Don't check extra_warnings.
8510         (emit_side_effect_warnings): The caller is responsible to check
8511         warn_unused_value.
8512
8513 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8514             Matt Thomas  <matt@3am-software.com>
8515
8516         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8517
8518 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8519
8520         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8521         comparisons of POPCOUNT against zero.
8522         (simplify_const_relational_operation): Likewise.
8523
8524 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8525
8526         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8527
8528 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8529
8530         * dwarf2out.c (root_type): Delete unused function.
8531
8532 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8533
8534         * genattrtab.c (contained_in_p): Delete unused function.
8535         (write_expr_attr_cache): Likewise.
8536
8537 2007-02-11  Jan Hubicka  <jh@suse.cz>
8538
8539         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8540         previous patch.
8541
8542 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8543
8544         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8545         to add the REG_EQ* note.
8546         * see.c (see_merge_one_use_extension): Likewise.
8547         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8548         turn REG_EQUAL notes into REG_EQUIV notes if the target
8549         register may have more than one set.
8550         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8551         * gcse.c (try_replace_reg): Likewise.
8552         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8553         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8554         more than one REG_EQUIV note.
8555         * reload1.c (gen_reload): Use set_unique_reg_note.
8556
8557 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8558
8559         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8560         (ix86_builtin_conversion): New function.
8561
8562 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8563
8564         PR target/29487
8565         * tree.h (DECL_REPLACEABLE_P): New macro.
8566         * except.c (set_nothrow_function_flags): Likewise.
8567
8568 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8569             Ira Rosen  <irar@il.ibm.com>
8570             Dorit Nuzman  <dorit@il.ibm.com>
8571
8572         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8573         * targhooks.c (default_builtin_vectorized_conversion): New.
8574         * targhooks.h (default_builtin_vectorized_function): New declaration.
8575         * target.h (struct vectorize): Add builtin_conversion field.
8576         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8577         stmt_vec_info_type value.
8578         (vectorizable_conversion): New declaration.
8579         * tree-vect-analyze.c (vect_analyze_operations): Add
8580         vectorizable_conversion call.
8581         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8582         * tree-vect-transform.c (vectorizable_conversion): New function.
8583         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8584         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8585         mode.
8586         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8587         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8588         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8589         or ALTIVEC_BUILTIN_VCFSX.
8590
8591 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8592
8593         PR target/30634
8594         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8595         CONST_DOUBLE and operand 0 is a hard register.
8596         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8597         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8598         is a hard floating-point register.
8599
8600 2007-02-10  Richard Henderson  <rth@redhat.com>
8601             Jakub Jelinek  <jakub@redhat.com>
8602             Alexandre Oliva  <aoliva@redhat.com>
8603
8604         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8605         * builtin-types.def (BT_WORD): Make unsigned.
8606         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8607         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8608         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8609         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8610         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8611         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8612         emulated tls.
8613         * expr.c (emutls_var_address): New.
8614         (expand_expr_real_1): Expand emulated tls.
8615         (expand_expr_addr_expr_1): Likewise.
8616         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8617         * output.h (emutls_finish): Declare.
8618         * toplev.c (compile_file): Call it.
8619         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8620         address before wrapping in CONST.
8621         * varasm.c (emutls_htab, emutls_object_type): New.
8622         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8623         (get_emutls_object_name, get_emutls_object_type): New.
8624         (get_emutls_init_templ_addr, emutls_decl): New.
8625         (emutls_common_1, emutls_finish): New.
8626         (assemble_variable): When emulating tls, swap decls; generate
8627         constructor for the emutls objects.
8628         (do_assemble_alias): When emulating tls, swap decl and target name.
8629         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8630         for emulated tls.
8631         * varpool.c (decide_is_variable_needed): Look at force_output.
8632         Recurse for emulated tls.
8633         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8634         with decide_is_variable_needed.
8635         * emutls.c: New file.
8636         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8637         tls_object for real tls.
8638
8639 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8640
8641         PR rtl-optimization/29599
8642         * reload1.c (eliminate_regs_in_insn): Take the destination
8643         mode into account when computing the offset.
8644
8645 2007-02-09  Stuart Hastings  <stuart@apple.com>
8646             Richard Henderson  <rth@redhat.com>
8647
8648         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8649         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8650         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8651         fixuns_truncdfhi2): New.
8652         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8653         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8654         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8655         (floatunssidf2): Allow nonimmediate source.
8656         * config/i386/sse.md (movdi_to_sse): New.
8657         (vec_concatv2di): Drop '*'.
8658         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8659         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8660         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8661         New.
8662         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8663         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8664         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8665         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8666         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8667         ix86_build_const_vector.
8668         (x86_emit_floatuns): Rewrite.
8669
8670 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8671
8672         * genautomata.c (longest_path_length): Delete unused function.
8673         (struct state): Delete unused longest_path_length.
8674         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8675         (get_free_state): Delete unused.
8676
8677 2007-02-09  Jan Hubicka  <jh@suse.cz>
8678
8679         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8680         * doc/invoke.texi (inline-unit-growth): Update default value.
8681
8682         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8683         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8684         (rebuild_cgraph_edges): Likewise.
8685         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8686         (dump_cgraph_node): Dump frequencies.
8687         (cgraph_clone_edge): Add frequency scales.
8688         (cgraph_clone_node): Add freuqnecy.
8689         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8690         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8691         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8692         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8693         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8694         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8695         (save_inline_function_body): Likewise.
8696         * ipa-inline.c: inluce rtl.h
8697         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8698         (cgraph_edge_badness): Use frequencies.
8699         (cgraph_decide_recursive_inlining): Update clonning.
8700         (cgraph_decide_inlining_of_small_function): Dump frequency.
8701         * predict.c (estimate_bb_frequencies): Export.
8702         * predict.h (estimate_bb_frequencies): Declare.
8703         * tree-inline.c (copy_bb): Watch overflows.
8704         (expand_call_inline): Update call of cgraph_create_edge.
8705         (optimize_inline_calls): Use TODO flags to update frequnecies.
8706         * passes.h: Include predict.h
8707         (init_optimization_passes): Move profile ahead.
8708         (execute_function_todo): Handle TODO_rebuild_frequencies.
8709
8710 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8711
8712         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8713         the insbl or inswl pattern into a register.
8714
8715 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8716
8717         * config/ia64/ia64.md (bswapdi2): New define_insn.
8718
8719 2007-02-09  Richard Henderson  <rth@redhat.com>
8720
8721         * config/i386/constraints.md (Ym): New constraint.
8722         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8723         (movdi_1_rex64): Split sse and xmm general register moves from
8724         memory move alternatives.  Use conditional register constraints.
8725         (movsf_1, movdf_integer): Likewise.
8726         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8727         (movdf_integer_rex64): New.
8728         (pushsf_rex64): Fix output constraints.
8729         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8730         (sse2_stored): Likewise.
8731         (sse2_storeq_rex64): New.
8732         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8733         amd and not generic.
8734         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8735         for optimize_size.  Remove SF/DFmode hack.
8736
8737 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8738
8739         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8740         (bit_SSE4a): New.
8741
8742 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8743             Richard Sandiford  <richard@codesourcery.com>
8744
8745         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8746         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8747         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8748         m68k/t-mlib to tmake_file.
8749         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8750         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8751         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8752         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8753         variable is not empty, add t-$m68k_arch_family to tmake_file.
8754         Add t-mlibs to tmake_file.
8755         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8756         * config/m68k/t-cf: New file.
8757         * config/m68k/t-m68k: Likewise.
8758         * config/m68k/t-mlibs: Likewise.
8759         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8760         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8761         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8762         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8763         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8764         Delete.
8765         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8766         (INSTALL_LIBGCC): Delete.
8767         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8768         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8769         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8770         (M68K_MLIB_CPU): Define.
8771         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8772         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8773         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8774
8775 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8776             Richard Guenther  <rguenther@suse.de>
8777
8778         PR middle-end/23361
8779         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8780         against INT_MIN/INT_MAX.
8781         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8782         file if a loop is removed.
8783
8784 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8785
8786         * calls.c (store_one_arg): Pass correct alignment to
8787         emit_push_insn for non-BLKmode values.
8788         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8789         unaligned stack slot via a suitably aligned slot.
8790
8791 2007-02-08  DJ Delorie  <dj@redhat.com>
8792
8793         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8794         warnings.
8795         (legal_subregs): Use unsigned char, make const.
8796         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8797
8798 2007-02-08  Paul Brook  <paul@codesourcery.com>
8799
8800         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8801         special interworking needed.
8802
8803 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8804
8805         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8806         conditional to __SSE2__.
8807         (Entries below should have been added to first ChangeLog
8808         entry for amdfam10 dated 2007-02-05)
8809         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8810         defined.
8811         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8812         defined.
8813         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8814         defined.
8815
8816 2007-02-08  DJ Delorie  <dj@redhat.com>
8817
8818         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8819         * config/m32c/m32c.c (legal_subregs): New.
8820         (m32c_illegal_subreg_p): New.
8821         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8822         unsupported subregs of hard regs.
8823
8824 2007-02-08  Jan Hubicka  <jh@suse.cz>
8825
8826         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8827         the same one; always update histograms.
8828
8829 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8830
8831         * passes.c (init_optimization_passes): Tidy comment.
8832
8833 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8834
8835         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8836         strip zero_extend, bswap and rotates from POCOUNT's argument.
8837         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8838         zero_extend and rotates from PARITY's argument.
8839         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8840         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8841         of an integer constant at compile-time.
8842
8843 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8844
8845         PR 30562
8846         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8847         Update all users.
8848         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8849         users.
8850         (init_alias_info):
8851         * tree-ssa-live.c (remove_unused_locals): Do not remove
8852         TREE_ADDRESSABLE variables.
8853         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8854         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8855         FOR_CLOBBER.  Update all users.
8856         If VAR has an associated alias set, add a virtual operand for
8857         it if no alias is found to conflict with the memory reference.
8858
8859 2007-02-07  Jan Hubicka  <jh@suse.cz>
8860             Robert Kidd <rkidd@crhc.uiuc.edu>
8861
8862         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8863
8864 2007-02-07  Ian Lance Taylor  <iant@google.com>
8865
8866         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8867
8868 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8869
8870         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8871         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8872         tablejumpdi, movsi_to_cr_one): Remove constraints from
8873         define_expand's match_operands.
8874
8875 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8876
8877         * global.c (compute_regsets): Move declatation of "i" inside of
8878         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8879
8880 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8881
8882         PR c++/30703
8883         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8884         of INDIRECT_REF <RESULT_DECL>.
8885
8886         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8887
8888 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8889             Kaz Kojima  <kkojima@gcc.gnu.org>
8890
8891         PR target/29746
8892         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8893         properly.
8894         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8895
8896 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8897
8898         * doc/loop.texi: Document possibility not to perform disambiguation
8899         of loops with multiple latches.
8900         * cfgloopmanip.c (alp_enum_p): Removed.
8901         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8902         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8903         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8904         the new forwarder block.
8905         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8906         Handle the case latch is NULL.
8907         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8908         when marking loop exits.
8909         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8910         be modified.
8911         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8912         disambiguate_loops_with_multiple_latches.
8913         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8914         before fix_loop_structure.
8915         * cfgloop.c: Include pointer-set.h and output.h.
8916         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8917         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8918         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8919         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8920         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8921         disambiguate_multiple_latches, get_loop_body_with_size,
8922         disambiguate_loops_with_multiple_latches): New functions.
8923         (flow_loop_dump): Dump multiple latch edges.
8924         (flow_loop_nodes_find): Handle loops with multiple latches.
8925         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8926         (glb_enum_p): Modified.
8927         (get_loop_body): Use get_loop_body_with_size.
8928         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8929         (AVOID_CFG_MODIFICATIONS): New constant.
8930         (disambiguate_loops_with_multiple_latches, add_loop,
8931         get_loop_body_with_size): Declare.
8932         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8933
8934 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8935
8936         PR inline-asm/28686
8937         * global.c (compute_regsets): New function.
8938         (global_alloc): Refactored ELIMINABLE_REGSET
8939         and NO_GLOBAL_ALLOC_REGS computation out.
8940         (rest_of_handle_global_alloc): Call compute_regsets()
8941         for non-optimizing case.
8942
8943 2007-02-06  Richard Henderson  <rth@redhat.com>
8944
8945         * config/i386/constraints.md (Y2): Rename from Y.
8946         (Yi): New constraint.
8947         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8948         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8949         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8950         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8951         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8952         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8953         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8954         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8955         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8956         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8957         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8958         vec_extractv2si_1): Change Y constraints to Y2.
8959         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8960         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8961         Change Y constraints to Y2.
8962         (sse2_loadld): Change Y constraints to x.
8963
8964 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8965
8966         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8967         (parity<mode>2): New define_expand using rs6000_emit_parity.
8968         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8969         rs6000_emit_parity): New functions.
8970         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8971         rs6000_emit_parity): Prototype here.
8972
8973 2007-02-06  Ian Lance Taylor  <iant@google.com>
8974
8975         * lower-subreg.c (simple_move_operand): Reject CONST.
8976         (resolve_clobber): Call validate_change rather than directly
8977         assigning to XEXP (pat, 0).
8978
8979 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8980
8981         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8982         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8983         (tree-cfg.o): Remove hashtab.h dependency.
8984
8985         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8986         (struct ivopts_data): Change niters to pointer_map_t.
8987         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8988         (niter_for_exit): Create pointer_map on demand.  Change for
8989         pointer_map API.
8990         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8991         (free_loop_data): Destroy data->niters if created and reset field.
8992         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8993         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8994
8995         * tree-ssa-reassoc.c: Include pointer-set.h.
8996         (bb_rank): Change to long *.
8997         (operand_rank): Change to pointer_map_t.
8998         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8999         (insert_operand_rank): Accept long.
9000         (operand_entry_hash, operand_entry_eq): Remove.
9001         (get_rank): Return long.  Adjust for changes above.
9002         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
9003         and operand_rank.
9004         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
9005
9006         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
9007         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
9008         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
9009         is not NULL.
9010         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
9011         directly since it cannot be NULL.
9012         (get_vi_for_tree): Rewrite for pointer_map API.
9013         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
9014         (init_alias_vars): Create vi_for_tree as pointer_map.
9015         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
9016
9017         * tree-cfg.c: Don't include hashtab.h.
9018         (edge_to_cases): Declare as pointer_map.
9019         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
9020         Delete.
9021         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
9022         (start_recording_case_labels): Create edge_to_cases as pointer_map.
9023         (end_recoding_case_labels): Cleanup edge_to_cases manually before
9024         destroying it.
9025         (record_switch_edge): Delete.
9026         (get_cases_for_edge): Adjust for pointer_map API, inline
9027         record_switch_edge (rewritten for new API), remove goto.
9028
9029 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
9030
9031         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
9032         * tree-nested.c: Include pointer-set.h.
9033         (var_map_elt, var_map_eq, var_map_hash): Delete.
9034         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
9035         to pointer_map_t's.
9036         (nesting_info_bitmap_obstack): New.
9037         (lookup_field_for_decl): Adjust for pointer_map API.
9038         (lookup_tramp_for_decl): Adjust for pointer_map API.
9039         (get_nonlocal_debug_decl): Adjust for pointer_map API.
9040         (get_local_debug_decl): Adjust for pointer_map API.
9041         (convert_nl_goto_reference): Adjust for pointer_map API.
9042         (convert_nl_goto_receiver): Adjust for pointer_map API.
9043         (create_nesting_tree): Create outside GGC space.  Create bitmap on
9044         the new obstack.  Create field_map and var_map as pointer_maps.
9045         (free_nesting_tree): Adjust for changes to create_nesting_tree.
9046         (root): Delete.
9047         (lower_nested_functions): Move root here, no need to NULL it.
9048         Initialize and release the obstack.
9049
9050 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
9051
9052         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
9053         Remove prototypes and make them non-static.
9054         (struct tree_int_map): Remove.
9055         * tree.h (struct tree_int_map): Move here, turning TO into an
9056         unsigned int.
9057         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
9058
9059         * tree.h (TREE_COMPLEXITY): Remove.
9060         (struct tree_exp): Remove complexity field.
9061         * tree.c (build1_stat): Don't set it.
9062
9063 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
9064             Victor Kaplansky  <victork@il.ibm.com>
9065
9066         * tree-vectorizer.c (vect_is_simple_use): Support induction.
9067         (vect_is_simple_reduction): Support reduction with induction as
9068         one of the operands.
9069         (vect_is_simple_iv_evolution): Fix formatting.
9070         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
9071         formatting.  Don't mark induction phis for vectorization.
9072         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
9073         * tree-vect-transform.c (get_initial_def_for_induction): New function.
9074         (vect_get_vec_def_for_operand): Support induction.
9075         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
9076         induction case.
9077         (vectorizable_reduction): Support reduction with induction as one of
9078         the operands.
9079         (vectorizable_type_demotion): Use def-type of stmt argument rather
9080         than dummy def-type.
9081
9082         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
9083         flag_tree_scev_cprop.
9084         * common.opt (tree-scev-cprop): New flag.
9085
9086         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
9087         call to vect_get_new_vect_var.
9088
9089 2007-02-06  Ira Rosen  <irar@il.ibm.com>
9090
9091         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
9092         vectype is not NULL.
9093         (vect_pattern_recog_1): Likewise.
9094
9095 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9096
9097         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
9098         (fold_negate_expr): Likewise.
9099
9100 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
9101
9102         PR debug/30189
9103         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
9104         even if cv-qualification is the same.
9105
9106 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
9107
9108         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
9109         __enable_execute_stack on completion.
9110
9111 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9112
9113         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
9114         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
9115         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
9116         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
9117         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
9118         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
9119         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
9120         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
9121
9122 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9123
9124         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
9125         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
9126         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
9127         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
9128         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
9129         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
9130         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
9131         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
9132         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
9133         umuldi3_highpart_rex64, umulsi3_highpart_insn,
9134         umulsi3_highpart_zext, smuldi3_highpart_rex64,
9135         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
9136         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
9137         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
9138         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
9139         sqrtextenddfxf2_i387): Added amdfam10_decode.
9140
9141         * config/i386/athlon.md (athlon_idirect_amdfam10,
9142         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
9143         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
9144         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
9145         athlon_ivector_store_amdfam10): New define_insn_reservation.
9146         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
9147         amdfam10.
9148
9149 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9150
9151         * config/i386/athlon.md (athlon_call_amdfam10,
9152         athlon_pop_amdfam10, athlon_lea_amdfam10): New
9153         define_insn_reservation.
9154         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
9155         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
9156         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
9157
9158 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9159
9160         * config/i386/athlon.md (athlon_sseld_amdfam10,
9161         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
9162         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
9163
9164 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9165
9166         * config/i386/athlon.md (athlon_sseins_amdfam10): New
9167         define_insn_reservation.
9168         * config/i386/i386.md (sseins): Added sseins to define_attr type
9169         and define_attr unit.
9170         * config/i386/sse.md: Set type attribute to sseins for insertq
9171         and insertqi.
9172
9173 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9174
9175         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
9176         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
9177         ssecomi_load_amdfam10, ssecomi_amdfam10,
9178         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
9179         define_insn_reservation.
9180         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
9181
9182 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9183
9184         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
9185         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
9186         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
9187         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
9188         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
9189         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
9190         define_insn_reservation.
9191
9192         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9193         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9194         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9195         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9196         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9197
9198 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9199
9200         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9201         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9202         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9203         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9204         athlon_ssemul_load_k8): Added amdfam10.
9205
9206 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9207
9208         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9209         (x86_sse_unaligned_move_optimal): New variable.
9210
9211         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9212         m_AMDFAM10.
9213         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9214         for unaligned vector SSE double/single precision loads for AMDFAM10.
9215
9216 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9217
9218         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9219         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9220         Define TARGET_CPU_DEFAULT_amdfam10.
9221         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9222         (processor_type): Add PROCESSOR_AMDFAM10.
9223
9224         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9225         processor_type in config/i386/i386.h.
9226         Enable imul peepholes for TARGET_AMDFAM10.
9227
9228         * config.gcc: Add support for --with-cpu option for amdfam10.
9229
9230         * config/i386/i386.c (amdfam10_cost): New variable.
9231         (m_AMDFAM10): New macro.
9232         (m_ATHLON_K8_AMDFAM10): New macro.
9233         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9234         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9235         x86_promote_QImode, x86_integer_DFmode_moves,
9236         x86_partial_reg_dependency, x86_memory_mismatch_stall,
9237         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9238         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9239         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9240         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9241         Enable/disable for amdfam10.
9242         (override_options): Add amdfam10_cost to processor_target_table.
9243         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9244         processor_alias_table.
9245         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9246         (ix86_adjust_cost): Add code for amdfam10.
9247
9248 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9249
9250         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9251         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9252         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9253         * config/i386/i386.h: Add builtin definition for SSE4A.
9254         * config/i386/i386.md: Add support for ABM instructions
9255         (popcnt and lzcnt).
9256         * config/i386/sse.md: Add support for SSE4A instructions
9257         (movntss, movntsd, extrq, insertq).
9258         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9259         Add -march=amdfam10 flag.
9260         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9261         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9262         and amdfam10.
9263         * doc/extend.texi: Add documentation for SSE4A builtins.
9264
9265 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9266
9267         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9268
9269 2007-02-05  Richard Guenther  <rguenther@suse.de>
9270
9271         * tree-vectorizer.h (vectorizable_function): Add argument type
9272         argument, change return type.
9273         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9274         * tree-vect-transform.c (vectorizable_function): Handle extra
9275         argument, return vectorized function decl.
9276         (build_vectorized_function_call): Remove.
9277         (vectorizable_call): Handle calls with result and argument types
9278         differing.  Handle loop vectorization factor correctly.
9279         * targhooks.c (default_builtin_vectorized_function): Adjust for
9280         extra argument.
9281         * targhooks.h (default_builtin_vectorized_function): Likewise.
9282         * target.h (builtin_vectorized_function): Add argument type
9283         argument.
9284         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9285         extra argument, allow vectorizing of lrintf.
9286         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9287         documentation of target hook.
9288
9289 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9290
9291         PR target/30665
9292         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9293         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9294         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9295
9296 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9297
9298         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9299         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9300         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9301         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9302         before canonicalizing sincos to cexpi.
9303         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9304
9305 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9306
9307         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9308         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9309         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9310
9311 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9312
9313         * mips-tfile.c (initialize_init_file): Correct endianness test.
9314
9315 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9316
9317         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9318         the 'y' constraint.
9319
9320 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9321
9322         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9323         saves in a PARALLEL before the register assignments.
9324
9325 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9326
9327         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9328         DWARF_FRAME_RETURN_COLUMN to be a general register.
9329         * dwarf2out.c (init_return_column_size): New function, split from...
9330         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9331         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9332         to be nongeneral registers.
9333         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9334         integer registers.
9335         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9336         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9337
9338 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9339
9340         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9341
9342 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9343
9344         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9345         (remove_path): Use can_remove_branch_p and remove_branch instead
9346         of loop_delete_branch_edge.
9347         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9348         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9349         Update profile using scale_dominated_blocks_in_loop.
9350         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9351         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9352         (can_remove_branch_p, remove_branch): Declare.
9353         * tree-cfg.c (tree_can_remove_branch_p): New function.
9354         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9355         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9356         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9357
9358 2007-02-05  Jan Hubicka  <jh@suse.cz>
9359
9360         PR middle-end/30696
9361         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9362         nodes in cgraph, don't remove offline copy of the function.
9363
9364 2007-02-04  Jan Hubicka  <jh@suse.cz>
9365
9366         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9367         vectors might cause maybe_lookup_element_for_expr to be called
9368         on non-sra-candidate.
9369
9370 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9371
9372         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9373         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9374         spelling conventions.
9375
9376 2007-02-04  Richard Guenther  <rguenther@suse.de>
9377
9378         PR middle-end/30636
9379         * fold-const.c (try_move_mult_to_index): Make sure to not
9380         overflow one dimension of a multi-dimensional array access.
9381
9382 2007-02-04  Jan Hubicka  <jh@suse.cz>
9383
9384         * passes.c (init_optimization_passes): Reindent.
9385
9386 2007-02-04  Jan Hubicka  <jh@suse.cz>
9387             Eric Botcazou  <ebotcazou@adacore.com>
9388
9389         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9390         (execute_fixup_cfg): Break out the abnormal goto code.
9391         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9392         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9393         (optimize_inline_calls): Call make_nonlocal_label_edges.
9394
9395 2007-02-04  Jan Hubicka  <jh@suse.cz>
9396
9397         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9398         true when something was changed.
9399         (rename_ssa_copies): When something was changed, do
9400         TODO_remove_unused_locals.
9401         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9402         add TODO_remove_unused_locals when instruction was removed.
9403
9404 2007-02-04  Jan Hubicka  <jh@suse.cz>
9405
9406         * ipa-inline.c (try_inline): Improve debug output; work on already
9407         inline edges too.
9408         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9409         call try_inline for already inlined edges too when flattening;
9410         inline also functions that make callee growth but overall unit size
9411         reduce.
9412
9413 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9414
9415         * config/m32c/bitops.md, config/m32c/jump.md,
9416         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9417         config/m32r/m32r.h, config/m32r/m32r.md,
9418         config/m32r/predicates.md, config/m68hc11/larith.asm,
9419         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9420         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9421         config/mips/mips-protos.h, config/mips/mips.c,
9422         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9423         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9424         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9425         spelling conventions.
9426
9427         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9428         Follow spelling conventions.
9429
9430 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9431
9432         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9433         warn about C++0x compatibility.
9434
9435 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9436
9437         * config/h8300/h8300.c, config/h8300/h8300.h,
9438         config/h8300/h8300.md: Follow spelling conventions.
9439
9440 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9441
9442         PR middle-end/30667
9443         * combine.c (try_combine): Do not substitute source operand
9444         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9445
9446 2007-02-03  Jan Hubicka  <jh@suse.cz>
9447
9448         PR gcov-profile/30650
9449         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9450         do not divide by zero for never executed counters.
9451         (tree_find_values_to_profile): Fix counters.
9452         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9453
9454 2007-02-03  Ian Lance Taylor  <iant@google.com>
9455
9456         * lower-subreg.c (simple_move_operand): New static function,
9457         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9458         operands.
9459         (simple_move): Call simple_move_operand.
9460         (find_decomposable_subregs): Add special handling of MEMs.
9461         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9462         meaning of return value.  If we see a hard register, test whether
9463         it can store a word_mode value.  Change all callers.
9464
9465 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9466
9467         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9468         ftrapv insns and expanders.
9469         (subdi3): Change define_expand operand 1 to arith11_operand, and
9470         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9471         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9472         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9473         respectively.
9474
9475         PR middle-end/30174
9476         * varasm.c (notice_global_symbol): Treat global objects as weak when
9477         flag_shlib is true.
9478
9479 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9480
9481         * emit-rtl.c (dconstpi): Delete.
9482         (dconstsqrt2): New.
9483         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9484         * real.h (dconstpi): Delete.
9485         (dconstsqrt2): New.
9486         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9487         (fold_builtin_hypot): Likewise.
9488
9489 2007-02-03  Tom Tromey  <tromey@redhat.com>
9490
9491         PR driver/30246
9492         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9493         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9494
9495 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9496
9497         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9498         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9499         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9500         config/rs6000/cell.md, config/rs6000/darwin.h,
9501         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9502         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9503         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9504         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9505         typos.  Follow spelling conventions.
9506         * doc/invoke.texi: Follow spelling conventions.
9507
9508 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9509
9510         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9511         canonicalization transformations that attempt to simplify integer
9512         constant comparisons to become comparisons against zero.
9513
9514 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9515
9516         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9517         fabs(x)*sqrt(2).
9518         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9519         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9520
9521 2007-02-02  Mike Stump  <mrs@apple.com>
9522
9523         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9524         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9525         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9526         generate a branch island.
9527
9528 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9529
9530         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9531         (xtensa_legitimate_address_p): New.
9532         (xtensa_legitimize_address): New.
9533         (xtensa_output_addr_const_extra): New.
9534         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9535         (BASE_REG_P): New.
9536         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9537         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9538         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9539         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9540         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9541         (xtensa_legitimize_address): New.
9542         (xtensa_output_addr_const_extra): New.
9543
9544 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9545
9546         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9547
9548 2007-02-02  Ian Lance Taylor  <iant@google.com>
9549
9550         * expmed.c (expand_divmod): Add comment.
9551
9552 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9553
9554         * emit-rtl.c (renumber_insns): Remove.
9555         * flags.h: Remove the extern for flag_renumber_insns.
9556         * rtl.h: Remove the prototype for renumber_insns.
9557         * toplev.c (flag_renumber_insns): Remove.
9558
9559 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9560
9561         Revert for x86 darwin:
9562         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9563
9564         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9565         code before the following patch under TARGET_MACHO.
9566         (ix86_function_value_regno_p): Likewise.
9567
9568 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9569
9570         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9571         COMPLEX_EXPR.
9572
9573 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9574
9575         PR target/29682
9576         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9577         general or fp registers.  Add comments.
9578         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9579
9580 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9581
9582         * pointer-set.c (insert_aux): Only return insertion slot.
9583         (pointer_set_insert): Adjust.
9584         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9585         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9586         pointer_map_traverse): New.
9587         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9588         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9589         pointer_map_contains, pointer_map_traverse): Declare.
9590
9591 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9592
9593         PR middle-end/30473
9594         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9595         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9596
9597 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9598
9599         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9600
9601         (struct _dep): New type.
9602         (dep_t): New typedef.
9603         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9604         (DEP_STATUS): New access macro.  The macro with the same name was
9605         renamed to DEP_LINK_STATUS.
9606         (dep_init): Declare function
9607
9608         (struct _dep_link): New type.
9609         (dep_link_t): New typedef.
9610         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9611         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9612         (DEP_LINK_STATUS): New macro.
9613         (debug_dep_links): New debug function.
9614
9615         (struct _deps_list): New type.
9616         (deps_list_t): New typedef.
9617         (DEPS_LIST_FIRST): New access macro.
9618         (FOR_EACH_DEP_LINK): New cycle macro.
9619         (create_deps_list, free_deps_list, delete_deps_list): Declare
9620         functions.
9621         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9622         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9623         (copy_deps_list_change_con): Ditto.
9624
9625         (move_dep_link): Declare function.
9626
9627         (struct _dep_node): New type.
9628         (dep_node_t): New typedef.
9629         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9630
9631         (struct haifa_insn_data.back_deps): New field to hold backward
9632         dependencies of the insn.
9633         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9634         to deps_list_t.
9635         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9636         Change its type to deps_list_t.
9637         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9638         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9639         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9640
9641         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9642
9643         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9644
9645         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9646         all callers.
9647         (dep_cost): Declare.
9648
9649         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9650         (ds_to_dk, dk_to_ds): New functions.
9651
9652         (init_dep_1): New static function.
9653         (init_dep): New function.
9654         (copy_dep): New static function.
9655
9656         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9657         functions.
9658         (detach_dep_link): New static function.
9659         (move_dep_link): New function.
9660
9661         (dep_links_consistent_p, dump_dep_links): New static functions.
9662         (debug_dep_links): New debugging function.
9663
9664         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9665
9666         (alloc_deps_list, init_deps_list): New static functions.
9667         (create_deps_list): New function.
9668         (clear_deps_list): New static function.
9669         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9670         (deps_list_consistent_p, dump_deps_list): New static functions.
9671         (debug_deps_list): New function.
9672         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9673         functions.
9674         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9675
9676         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9677         use new scheduler dependencies lists.
9678         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9679         (sched_analyze): Ditto.  Initialize dependencies lists.
9680         (add_forw_dep, compute_forward_dependences): Update to use new
9681         scheduler dependencies lists.
9682
9683         (init_dependency_caches): Init deps_obstack.
9684         (free_dependency_caches): Free deps_obstack.
9685
9686         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9687         new scheduler dependencies lists.
9688         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9689         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9690
9691         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9692         Update to use new scheduler dependencies lists.
9693         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9694         (debug_dependencies): Ditto.
9695         (schedule_region): Update comments.
9696
9697         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9698         scheduler dependencies lists.
9699         (schedule_ebb): Update comments.
9700
9701         * rtl.def (DEPS_LIST): Remove.
9702
9703         * lists.c (unused_deps_list): Remove.
9704         (free_list): Update assertions.
9705
9706         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9707         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9708
9709         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9710         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9711
9712         * haifa-sched.c (comments): Update.
9713         (insn_cost1): Remove.  Inline the code into insn_cost ().
9714         (insn_cost): Update to use new scheduler dependencies lists.  Move
9715         processing of the dependency cost to dep_cost ().
9716         (dep_cost): New function.  Use it instead of insn_cost () when
9717         evaluating cost of the dependency.  Use compatible interface to
9718         interact with the target.
9719         (priority): Update to use new scheduler dependencies lists.
9720         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9721         with greater number of insns that depend on the insn.
9722         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9723         code to free backward dependencies lists.  Inline and optimize code
9724         from resolve_dep () - see PR28071.
9725         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9726         lists.  Update call to targetm.sched.is_costly_dependence hook.
9727
9728         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9729         scheduler dependencies lists.
9730
9731         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9732         (init_h_i_d): Initialize dependencies lists.
9733
9734         (process_insn_depend_be_in_spec): Rename to
9735         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9736         dependencies lists.
9737         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9738         Update to use new scheduler dependencies lists.
9739         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9740
9741         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9742         new scheduler dependencies lists.
9743         (build_intra_loop_deps): Ditto.
9744
9745         * target.h (struct _dep): Declare to use in
9746         gcc_target.sched.is_costly_dependence.
9747         (struct gcc_target.sched.adjust_cost): Fix typo.
9748         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9749         single dep_t parameter instead of an equivalent triad.
9750         (struct gcc_target.sched.adjust_cost_2): Remove.
9751
9752         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9753
9754         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9755
9756         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9757         documentation.
9758         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9759
9760         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9761         (REG_DEP_TRUE): Document.
9762
9763         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9764         Change signature to correspond to the targetm.sched.adjust_cost hook.
9765         Update use in TARGET_SCHED_ADJUST_COST_2.
9766         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9767         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9768         new scheduler dependencies lists.
9769         (ia64_gen_check): Ditto.
9770
9771         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9772         dependencies lists.
9773
9774         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9775         signature to correspond to the targetm.sched.is_costly_dependence hook.
9776         (is_costly_group): Update to use new scheduler dependencies lists.
9777
9778         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9779         instead of INSN_COST () macro.
9780
9781 2007-02-01  Ian Lance Taylor  <iant@google.com>
9782
9783         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9784
9785 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9786
9787         * pa.md (tp_load): Correct mfctl instruction syntax.
9788
9789 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9790
9791         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9792         altivec_padding_size calculation on AIX.  Improve comment, add
9793         assert to verify that it's right.
9794
9795         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9796         64-bit.
9797
9798 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9799
9800         PR inline-asm/28686
9801         * global.c (global_alloc): Add mising initialization of
9802         ELIMINABLE_REGSET.
9803
9804 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9805
9806         * alias.c (init_alias_analysis): Correct whitespace.
9807         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9808         partition_hot_cold_basic_blocks): Likewise.
9809         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9810         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9811         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9812         fold_builtin_snprintf_chk, fold_builtin_printf,
9813         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9814         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9815         * cfgcleanup.c (cleanup_cfg): Likewise.
9816         * cfgexpand.c (tree_expand_cfg): Likewise.
9817         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9818         * function.c (get_next_funcdef_no): Likewise.
9819         * gengtype.c (main): Likewise.
9820         * genmodes.c (main): Likewise.
9821         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9822         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9823         * ifcvt.c (noce_emit_move_insn): Likewise.
9824         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9825         Likewise.
9826         * stor-layout.c (get_best_mode): Likewise.
9827         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9828         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9829         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9830         perform_var_substitution, solve_graph): Likewise.
9831         * tree-vrp.c (vrp_finalize): Likewise.
9832
9833 2007-02-01  Ian Lance Taylor  <iant@google.com>
9834
9835         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9836         high part of a paradoxical subreg, return a constant zero.
9837
9838 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9839
9840         * toplev.c (lang_dependent_init): Call init_set_costs.
9841         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9842
9843 2007-02-01  Richard Guenther  <rguenther@suse.de>
9844
9845         PR middle-end/30656
9846         * fold-const.c (fold_negate_expr): Allow negating a
9847         constant if overflow does not change.
9848
9849 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9850
9851         * doc/c-tree.texi (Expression trees): Improve markup.
9852         * doc/tm.texi (Register Classes, Addressing Modes)
9853         (Floating Point): Fix spacing after abbreviations.  Fix some
9854         typos.
9855
9856 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9857
9858         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9859         * doc/contrib.texi: Likewise.
9860         * doc/install.texi: Likewise.
9861
9862 2007-01-31  Richard Henderson  <rth@redhat.com>
9863             Ian Lance Taylor  <iant@google.com>
9864
9865         * lower-subreg.c: New file.
9866         * rtl.def (CONCATN): Define.
9867         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9868         pass_lower_subreg2.
9869         * emit-rtl.c (update_reg_offset): New static function, broken out
9870         of gen_rtx_REG_offset.
9871         (gen_rtx_REG_offset): Call update_reg_offset.
9872         (gen_reg_rtx_offset): New function.
9873         * regclass.c: Revert patch of 2006-03-05, restoring
9874         reg_scan_update.
9875         (clear_reg_info_regno): New function.
9876         * dwarf2out.c (concatn_loc_descriptor): New static function.
9877         (loc_descriptor): Handle CONCATN.
9878         * common.opt (fsplit_wide_types): New option.
9879         * opts.c (decode_options): Set flag_split_wide_types when
9880         optimizing.
9881         * timevar.def (TV_LOWER_SUBREG): Define.
9882         * rtl.h (gen_reg_rtx_offset): Declare.
9883         (reg_scan_update): Declare.
9884         * regs.h (clear_reg_info_regno): Declare.
9885         * tree-pass.h (pass_lower_subreg): Declare.
9886         (pass_lower_subreg2): Declare.
9887         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9888         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9889         -fsplit-wide-types.
9890         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9891         * Makefile.in (OBJS-common): Add lower-subreg.o.
9892         (lower-subreg.o): New target.
9893
9894 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9895
9896         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9897
9898 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9899
9900         PR target/19087
9901         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9902
9903 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9904
9905         PR middle-end/29335
9906         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9907
9908 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9909
9910         * cfgloop.h: Include vec-prim.h.
9911         (enum li_flags): Remove LI_ONLY_OLD.
9912         (loop_iterator): Changed.
9913         (fel_next, fel_init): Iterate over loop tree.
9914         (FOR_EACH_LOOP_BREAK): New macro.
9915         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9916         FOR_EACH_LOOP.
9917         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9918         * modulo-sched.c (sms_schedule): Ditto.
9919         * tree-vectorizer.c (vectorize_loops): Ditto.
9920         * doc/loop.texi: Update information on loop numbering and behavior of
9921         FOR_EACH_LOOP wrto new loops.
9922         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9923         add_to_evolution_1): Test nestedness of loops instead of comparing
9924         their numbers.
9925         * tree-chrec.c (chrec_fold_plus_poly_poly,
9926         chrec_fold_multiply_poly_poly, chrec_evaluate,
9927         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9928         reset_evolution_in_loop): Ditto.
9929         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9930
9931 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9932
9933         * c-common.c (warn_about_parentheses): Separate warning about
9934         un-parenthized sequence of comparison operators from the one
9935         which is supposed to warn about x <= y <= z.
9936
9937 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9938
9939         * optabs.h (enum optab_index): Add new OTI_isinf.
9940         (isinf_optab): Define corresponding macro.
9941         * optabs.c (init_optabs): Initialize isinf_optab.
9942         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9943         patterns.
9944         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9945         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9946         using isinf_optab.
9947         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9948         expand_builtin_interclass_mathfn.
9949         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9950         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9951         (fxam<mode>2_i387): New insn pattern.
9952         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9953         built-in functions as x87 inline asm.
9954
9955 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9956
9957         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9958
9959 2007-01-30  Eric Christopher  <echristo@apple.com>
9960
9961         * config.gcc: Add geode.
9962
9963 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9964
9965         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9966         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9967         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9968         value-prof.c: Fix comment typos.
9969
9970 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9971
9972         PR c++/24745
9973         * doc/invoke.texi (Wpointer-arith): Document warning.
9974
9975 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9976
9977         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9978         the list of discrepancies from the draft TR.
9979
9980 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9981
9982         PR c++/30601
9983         * doc/invoke.texi (-Wreturn-type): Update description to
9984         match new behavior.
9985
9986 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9987
9988         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9989
9990 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9991
9992         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9993         to handle optabs that operate on floating point input argument and
9994         output to integer output.
9995         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9996         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9997         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9998         expand_builtin_interclass_mathfn ().
9999         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
10000         (ilogbsi2): Remove.
10001         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
10002         ilogbl built-in functions as x87 intrinsics.
10003
10004 2007-01-30  Richard Guenther  <rguenther@suse.de>
10005
10006         PR middle-end/27657
10007         * dwarf2out.c (reference_to_unused): Query varpool if the
10008         variable was output.
10009
10010 2007-01-30  Richard Guenther  <rguenther@suse.de>
10011
10012         PR middle-end/30313
10013         * passes.c (execute_one_pass): Reset in_gimple_form to not
10014         confuse non-unit-at-a-time mode.
10015
10016 2007-01-29  Roger Sayle  <roger@eyesopen.com>
10017             Richard Guenther  <rguenther@suse.de>
10018
10019         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
10020         avoid undefined behaviour on overflow.  Use force_fit_type_double
10021         to construct the constant with the specified TREE_OVERFLOW.
10022
10023 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10024
10025         * config/dfp-bit.c: Add parameterized support for fp exceptions.
10026         * config/dfp-bit.h: Ditto.
10027
10028 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10029
10030         * c-decl.c (pop_scope): Replace warnings with call to
10031         warn_for_unused_label.
10032         * c-common.h (warn_for_unused_label): Declare.
10033         * c-common.c (warn_for_unused_label): Define.
10034
10035 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10036
10037         * tree-optimize.c (update_inlined_to_pointers): Delete unused
10038         function.
10039
10040 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10041
10042         * Makefile.in (USER_H): Remove decfloat.h.
10043         * ginclude/decfloat.h: Delete, moving contents to ...
10044         * ginclude/float.h: Add support for decimal floating point,
10045         guarded by __STDC_WANT_DEC_FP__.
10046
10047 2007-01-29  Mike Stump  <mrs@apple.com>
10048
10049         * doc/gccint.texi (Top): Rename Loop Representation to Loop
10050         Analysis and Representation to resolve case insensitive conflict.
10051         * doc/loop.texi (Loop Analysis and Representation): Likewise.
10052
10053 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
10054
10055         * tree.h (struct tree_memory_tag): Add aliases member.
10056         (MTAG_ALIASES): New macro.
10057         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
10058         (add_may_alias): Remove pointer-set. Update for may_aliases being
10059         a bitmap.
10060         (mark_aliases_call_clobbered): Update for may_aliases being a
10061         bitmap.
10062         (compute_tag_properties): Ditto.
10063         (create_partition_for): Ditto.
10064         (compute_memory_partitions): Ditto.
10065         (dump_may_aliases_for): Ditto.
10066         (is_aliased_with): Ditto.
10067         (add_may_alias_for_new_tag): Ditto.
10068         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
10069         (compute_is_aliased): New function.
10070         (compute_may_aliases): Call compute_is_aliased).
10071         (init_alias_info): Initialize alias_bitmap_obstack.
10072         (union_alias_set_into): New function.
10073         (compute_flow_sensitive_aliasing): Use union_aliases_into.
10074         (have_common_aliases_p): Rewrite to take two bitmaps and use
10075         intersection.
10076         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
10077         Update for bitmaps.
10078         (finalize_ref_all_pointers): Update for add_may_alias changes.
10079         (new_type_alias): Ditto.
10080         * tree-flow-inline.h (may_aliases): Return a bitmap.
10081         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
10082         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
10083         may_aliases being a bitmap.
10084         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
10085         may_aliases now returns a bitmap.
10086         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
10087         being a bitmap.
10088         * tree-ssa-operands.c (add_virtual_operand): Update for
10089         may_aliases being a bitmap.
10090
10091 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
10092
10093         PR tree-optimization/30630
10094         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
10095         variable as changed.
10096
10097 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
10098
10099         PR c++/28266
10100         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
10101         expanded only once even if an error occurs.
10102
10103 2007-01-29  Ben Elliston  <bje@au.ibm.com>
10104
10105         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
10106         (__gcov_average_profiler): Likewise.
10107         (__gcov_ior_profiler): Likewise.
10108         (__gcov_merge_ior): Likewise.
10109
10110 2007-01-28  Jan Hubicka  <jh@suse.cz>
10111
10112         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
10113         * value-prof.c (stringop_block_profile): Likewise.
10114
10115 2007-01-28  Jan Hubicka  <jh@suse.cz>
10116
10117         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
10118         variant handling histograms; add wrapper.
10119         (clear_storage_via_libcall): Export.
10120         (emit_block_move_hints): Break out from ...; add histograms.
10121         (emit_block_move): ... this one.
10122         (clear_storage_hints): Break out from ...; add histograms.
10123         (clear_storage): ... this one.
10124         (set_storage_via_memset): Handle histogram.
10125         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
10126         (clear_storage_hints, clear_storage_via_libcall): Declare.
10127         (set_storage_via_setmem): Update prototype.
10128         * doc/md.texi (movmem, setmem): Document new arguments.
10129
10130         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
10131         new histograms.
10132         (stringop_block_profile): New global function.
10133         (tree_stringops_values_to_profile): Profile block size and alignment.
10134         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
10135         HIST_TYPE_IOR.
10136         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
10137         (stringop_block_profile): Declare.
10138         * builtins.c: Include value-prof.h.
10139         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
10140         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
10141         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
10142         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
10143         * profile.c (instrument_values): Add new counters.
10144         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
10145         calls.
10146         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
10147         (tree_init_edge_profiler): Build new profilers.
10148         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
10149         (pass_tree_profile): Add dump.
10150         (tree_profile_hooks): Update.
10151         * Makefile.in (LIBGCOV): Add new constants.
10152         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
10153         __gcov_ior_profiler): New.
10154         * i386.md (movmem/setmem expanders): Add new optional arguments.
10155
10156 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
10157
10158         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
10159
10160 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10161
10162         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
10163         (tree_unswitch_single_loop): Pass eni_size_weights to
10164         tree_num_loop_insns.
10165         * tree-ssa-loop-manip.c: Include tree-inline.h.
10166         (can_unroll_loop_p): Pass eni_size_weights to
10167         tree_num_loop_insns.
10168         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
10169         Pass eni_size_weights to estimate_num_insns.
10170         * tree.h (init_inline_once): Export.
10171         * toplev.c (backend_init): Call init_inline_once.
10172         * cgraphunit.c (cgraph_process_new_functions,
10173         cgraph_analyze_function): Pass eni_inlining_weights to
10174         estimate_num_insns.
10175         * ipa-inline.c (compute_inline_parameters): Ditto.
10176         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
10177         to estimate_num_insns.
10178         (try_unroll_loop_completely): Pass eni_size_weights to
10179         tree_num_loop_insns.
10180         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
10181         ot estimate_num_insns.
10182         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
10183         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
10184         * tree-inline.c (eni_inlining_weights, eni_size_weights,
10185         eni_time_weights): New variables.
10186         (init_inline_once): Initialize them.
10187         (struct eni_data): Mew.
10188         (estimate_num_insns_1, estimate_num_insns): Use weights.
10189         * tree-inline.h (struct eni_weights_d): New.
10190         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10191         (estimate_num_insns): Declaration changed.
10192         * cfgloop.h (tree_num_loop_insns): Declaration changed.
10193         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10194         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10195
10196 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10197
10198         * tree-data-ref.c (conflict_fn): Assert that the number of affine
10199         relations in the conflict function is valid.
10200
10201 2007-01-27  Ian Lance Taylor  <iant@google.com>
10202
10203         * common.opt: Add fstrict-overflow.
10204         * opts.c (decode_options): Set flag_strict_overflow if -O2.
10205         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10206         (TYPE_OVERFLOW_UNDEFINED): Define.
10207         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
10208         Replace all uses.
10209         * tree.h (TYPE_TRAP_SIGNED): Don't define.
10210         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10211         (fold_negate_expr): Likewise.
10212         (make_range): Likewise.
10213         (extract_muldiv_1): Likewise.
10214         (maybe_canonicalize_comparison): Likewise.
10215         (fold_comparison): Likewise.
10216         (fold_binary): Likewise.
10217         (tree_expr_nonnegative_p): Likewise.
10218         (tree_expr_nonzero_p): Likewise.
10219         * tree-vrp.c (compare_values): Likewise.
10220         (extract_range_from_binary_expr): Likewise.
10221         (extract_range_from_unary_expr): Likewise.
10222         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10223         Likewise.
10224         (nowrap_type_p): Likewise.
10225         * tree-scalar-evolution.c (simple_iv): Likewise.
10226         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10227         (build_range_check): Likewise.
10228         (extract_muldiv_1): Likewise.
10229         (fold_comparison): Likewise.
10230         * tree-vrp.c (vrp_int_const_binop): Likewise.
10231         (extract_range_from_unary_expr): Likewise.
10232         * convert.c (convert_to_integer): Likewise.
10233         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10234         (fold_comparison): Likewise.
10235         (fold_binary): Likewise.
10236         * optabs.c (optab_for_tree_code): Likewise.
10237         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10238         * simplify-rtx.c (simplify_const_relational_operation): Check
10239         flag_strict_overflow and flag_trapv.
10240         (simplify_const_relational_operation): Likewise.
10241         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10242         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
10243         -fstrict-overflow.
10244
10245 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10246
10247         * tree.c (tree_fold_gcd): Delete.
10248         * tree.h (tree_fold_gcd): Remove prototype.
10249         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10250         test whether one constant integer is a multiple of another.  Instead
10251         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10252         * fold-const.c (multiple_of_p):  We've determined both TOP and
10253         BOTTOM are integer constants so we can call int_const_binop directly
10254         instead of the more generic const_binop.
10255
10256 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10257
10258         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10259         1*X check that the constant hasn't overflowed, to preserve the
10260         TREE_OVERFLOW bit.
10261         (round_up): Provide an efficient implementation when rouding-up an
10262         INTEGER_CST to a power-of-two.
10263
10264 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10265
10266         * doc/sourcebuild.texi: Add comma for clarity.
10267         * doc/extend.texi: Fix some typos.
10268         * doc/passes.texi: Likewise.
10269         * doc/cppinternals.texi: Likewise.
10270         * doc/c-tree.texi: Likewise.
10271         * doc/tree-ssa.texi: Likewise.
10272         * doc/install.texi: Likewise.
10273
10274 2007-01-27  Jan Hubicka  <jh@suse.cz>
10275
10276         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10277         (pass_sra): Do not require alias information.
10278         * passes.c (init_optimization_passes): Add SRA
10279
10280 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10281
10282         * tracer.c (rest_of_handle_tracer): We already cleaned
10283         up the CFG in tracer() so don't do it here again.
10284         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10285         cleanup_cfg here, either.  And don't call renumber_insns.
10286
10287         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10288         and BB_HEAD are in the insn stream here.  Instead make sure
10289         that BB_INSN is valid on all insns.  Also, do check here that
10290         there are no pending branch predictions...
10291         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10292         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10293         here.
10294
10295 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10296
10297         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10298         function to simplify/factorize operand order canonicalization.
10299         (ix86_fixup_binary_operands): Reorganize using the above function.
10300         (ix86_binary_operator_ok): Likewise.
10301
10302 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10303
10304         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10305         file scope from optimize_attrs.
10306         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10307         up search.
10308         (optimize_attrs): Clear insn_code_values after freeing it.
10309
10310 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10311
10312         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10313         a parts.base assignment.
10314
10315 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10316
10317         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10318         (compute_subscript_distance, initialize_data_dependence_relation,
10319         finalize_ddr_dependent, analyze_ziv_subscript,
10320         analyze_siv_subscript_cst_affine,
10321         compute_overlap_steps_for_affine_univar,
10322         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10323         analyze_siv_subscript, analyze_miv_subscript,
10324         analyze_overlapping_iterations, subscript_dependence_tester_1,
10325         compute_self_dependence, free_dependence_relation): Work
10326         with affine_fn instead of chrecs.
10327         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10328         common_affine_function, affine_function_base,
10329         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10330         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10331         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10332         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10333         (all_chrecs_equal_p): Removed.
10334         * tree-data-ref.h (affine_fn, conflict_function): New types.
10335         (struct subscript): Change type of conflicting_iterations_in_a
10336         and conflicting_iterations_in_b.
10337
10338 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10339
10340         PR other/30182
10341         * config/pa/pa.h (TARGET_HPUX_11): New.
10342         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10343         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10344
10345 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10346         Richard Guenther  <rguenther@suse.de>
10347
10348         * tree-ssa-structalias.c (solve_graph): Handle case
10349         we merged the variable to another.
10350
10351 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10352
10353         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10354         functions.
10355
10356         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10357         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10358
10359 2007-01-25  DJ Delorie  <dj@redhat.com>
10360
10361         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10362         allow changes to modes which don't fit in those registers.
10363
10364         * reload1.c (choose_reload_regs): Check for invalid subregs before
10365         computing their locations, not after.
10366
10367 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10368
10369         PR 25127
10370         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10371         save Altivec registers in an eh_return function.
10372         (compute_vrsave_mask): Likewise.
10373         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10374         for saving Altivec registers.
10375         (rs6000_emit_prologue): Don't allocate stack twice in
10376         eh_return function.  Correct expected value of altivec_save_offset
10377         when using save_world.  Describe save of R0 to stack when using
10378         save_world.  Describe stack pointer adjustment when using
10379         save_world.  Remove duplicated eh_return parameter register saving.
10380         Update sp_offset variable after save_world.
10381         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10382         darwin-world.asm.
10383         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10384         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10385         implies Altivec.
10386
10387 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10388
10389         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10390
10391 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10392
10393         PR other/30182
10394         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10395         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10396
10397 2007-01-25  Richard Guenther  <rguenther@suse.de>
10398
10399         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10400         * common.opt (-Wcoverage-mismatch): New warning option.
10401         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10402         if -Wcoverage-mismatch is given.
10403
10404 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10405
10406         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10407         (ipcp_driver): Change to static definition.
10408         Add dumping of the ifunctions.
10409         (constant_val_insert): Remove unused parameter. Support for SSA.
10410         (ipcp_propagate_const): Support for SSA.
10411         (ipcp_profile_bb_print): Print only analyzed nodes.
10412         (ipcp_replace_map_create): Remove support for Fortran constant
10413         for now.
10414         * ipa-prop.c (ipa_method_modify_stmt,
10415         ipa_callsite_compute_param): Support for SSA.
10416         * ipa-prop.h (ipcp_driver): Remove declaration.
10417         (IS_VALID_TREE_MAP_INDEX): Add define.
10418
10419 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10420
10421         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10422
10423 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10424
10425         PR middle-end/30447
10426         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10427         constant argument to cabs and do it without checking for
10428         -funsafe-math-optimizations.
10429
10430 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10431
10432         * c-common.h (RID_FIRST_CXX0X): New.
10433         (RID_LAST_CXX0X): New.
10434         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10435         by -Wall.
10436         * c.opt (Wc++0x-compat): New.
10437         * doc/invoke.texi (-Wc++0x-compat): Document.
10438
10439 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10440
10441         * builtins.c (fold_builtin_carg): New.
10442         (fold_builtin_1): Use it.
10443
10444 2007-01-24  Jan Hubicka  <jh@suse.cz>
10445
10446         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10447
10448         * ipa-inline.c (initial_insns, max_insns): Delete.
10449         (compute_max_insns): New function.
10450         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10451         of insns as base for code growth.
10452         (cgraph_decide_inlining): Make initial_insns local; do not compute
10453         max_insns.
10454         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10455         * doc/invoke.texi (inline-unit-growth): Update docs.
10456
10457 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10458
10459         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10460         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10461         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10462         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10463         for CPUs that have PTA_CX16 set.
10464
10465         PR middle-end/27416
10466         * gimplify.c (omp_check_private): New function.
10467         (gimplify_scan_omp_clauses): Use it for
10468         firstprivate/lastprivate/reduction.
10469
10470         PR middle-end/30494
10471         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10472         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10473
10474         PR middle-end/30421
10475         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10476         If lower_lastprivate_clauses emits some statements, append them
10477         to dlist rather than body_p and to body_p append an initializer.
10478         (lower_omp_for): Adjust caller.
10479
10480 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10481
10482         * target.h (globalize_decl_name): New.
10483         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10484         * output.h (default_globalize_decl_name): New.
10485         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10486         globalize_label.
10487         (globalize_decl): Ditto.
10488         (default_globalize_decl_name): New.
10489         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10490         (ia64_handle_version_id_attribute): New.
10491         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10492         (ia64_asm_output_external): Use globalize_decl_name instead
10493         of globalize_label.
10494         * doc/extend.texi (version_id): New pragma.
10495         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10496
10497 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10498
10499         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10500         _uleb128_t and _Unwind_SWord with _sleb128_t.
10501         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10502         uw_frame_state_for, uw_update_context_1): Likewise.
10503         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10504         * unwind-pe.h (read_uleb128, read_sleb128,
10505         read_encoded_value_with_base): Likewise.
10506         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10507
10508 2007-01-24  Richard Guenther  <rguenther@suse.de>
10509
10510         * builtins.c (expand_builtin_cexpi): Get the fndecl
10511         for cexp in the correct way.
10512
10513 2007-01-24  Jan Hubicka  <jh@suse.cz>
10514
10515         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10516
10517 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10518
10519         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10520         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10521         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10522         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10523         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10524         __SIZEOF_PTRDIFF_T__.
10525         * doc/cpp.texi: Documentation for the new builtin macros added.
10526
10527 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10528
10529         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10530         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10531         instead of operands[2] to avoid access past the end of array.
10532
10533 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10534
10535         * reload1.c (emit_reload_insns): Pass the reload register
10536         for a non-spill output reload through forget_old_reloads_1.
10537
10538 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10539
10540         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10541         _SOFT_DOUBLE if doubles use software floating-point.
10542         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10543         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10544         * config/rs6000/darwin-ldouble.c: Also compile functions for
10545         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10546         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10547         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10548         commented-out long double override.
10549         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10550         * config/rs6000/eabispe.h: Likewise.
10551         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10552         long double for non-SPE.
10553         (rs6000_handle_option): Likewise.
10554         (invalid_e500_subreg): Disallow more subregs involding DImode,
10555         DFmode, TImode or TFmode.
10556         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10557         E500 double.
10558         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10559         double.
10560         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10561         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10562         double.
10563         (rs6000_legitimate_address): Also check for TFmode for E500
10564         double.
10565         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10566         (spe_build_register_parallel): Handle TFmode and TCmode.
10567         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10568         double.
10569         (function_arg): Handle TFmode and TCmode for E500 double.
10570         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10571         in general.
10572         (print_operand): Handle TFmode and TImode for %y.
10573         (rs6000_generate_compare): Handle TFmode comparisons for E500
10574         double.
10575         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10576         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10577         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10578         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10579         TFmode for E500 double.
10580         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10581         (floatsidf2): Enable for E500 double.
10582         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10583         (extenddftf2): Change to extenddftf2_fprs.
10584         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10585         depending on TARGET_E500_DOUBLE.
10586         (extendsftf2): Enable for E500 double.
10587         (trunctfdf2): Enable for E500 double.
10588         (trunctfsf2): Change to trunctfsf2_fprs.
10589         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10590         depending on TARGET_E500_DOUBLE.
10591         (floatsitf2): Enable for E500 double.
10592         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10593         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10594         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10595         (negtf2): Change to negtf2_internal.
10596         (negtf2): New expander.
10597         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10598         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10599         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10600         (movdi_internal32): Use rs6000_nonimmediate_operand.
10601         (unnamed splitter): Likewise.
10602         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10603         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10604         (SPE64TF, DITI): New mode macros.
10605         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10606         modes.
10607         (frob_tf_ti): New.
10608         (frob_<mode>_di_2): New.
10609         (frob_tf_di_8_2): New.
10610         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10611         (frob_ti_tf): New.
10612         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10613         more modes.
10614         (frob_ti_<mode>_8_2): New.
10615         (frob_ti_tf_2): New.
10616         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10617         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10618         TFmode.
10619         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10620         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10621         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10622         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10623         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10624         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10625         tsttflt_gp): New.
10626
10627 2007-01-23  Ian Lance Taylor  <iant@google.com>
10628
10629         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10630         insn-*.o first.
10631         (OBJS-archive): Reformat, alphabetize.
10632         (OBJS): Change out_object_file to OBJS-md.
10633
10634 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10635
10636         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10637         JUMP_P and CALL_P predicates where applicable.
10638         * config/i386/i386.c: Ditto.
10639         * config/i386/i386.md: Ditto.
10640         * config/i386/mmx.md: Ditto.
10641         * config/i386/predicates.md: Ditto.
10642
10643 2007-01-22  Andreas Schwab  <schwab@suse.de>
10644
10645         * config/m68k/m68k.h: Fix comment.
10646
10647 2007-01-22  Jan Hubicka  <jh@suse.cz>
10648
10649         * passes.c (init_optimization_passes): Do not rerun
10650         pass_early_warn_uninitialized.
10651
10652 2007-01-22  Richard Guenther  <rguenther@suse.de>
10653
10654         PR tree-optimization/30038
10655         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10656         function.
10657         (execute_cse_sincos_1): Likewise.
10658         (execute_cse_sincos): Likewise.
10659         (gate_cse_sincos): Likewise.
10660         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10661         the cexpi() canonicalization of sincos().
10662         * tree-pass.h (pass_cse_sincos): Declare.
10663         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10664
10665 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10666
10667         PR rtl-optimization/29329
10668         * combine.c (replaced_rhs_insn): Rename to i2mod.
10669         (replaced_rhs_value): Rename to i2mod_new_rhs.
10670         (i2mod_old_rhs): New global variable.
10671         (combine_instructions): Adjust for above change.  Save a copy of
10672         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10673         note are substituted in the second instruction.
10674         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10675         ditch the note if it pertains to the second eliminated register
10676         and this register is mentioned in i2mod_old_rhs.
10677
10678         Revert:
10679         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10680
10681         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10682         the insn to which the note was originally attached.
10683
10684 2007-01-21  Jan Hubicka  <jh@suse.cz>
10685
10686         * ipa-inline.c (inlining_mode): Comment, move up.
10687         (cgraph_decide_inlining_incrementally): Do not perform inlining
10688         itself; fix handling of flattening of self recursive functions.
10689         (cgraph_find_cycles): Remove.
10690         (cgraph_flatten_node): Remove.
10691         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10692         (try_inline): New function.
10693         (cgraph_early_inlining): Update call of
10694         cgraph_decide_inlining_incrementally.  Apply inlining here.
10695         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10696
10697 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10698
10699         PR bootstrap/30511
10700         * tree-vrp.c (check_array_bounds): do not warn
10701         about ADDR_EXPR's of ARRAY_REF's which are immediately
10702         used in binary expressions.
10703
10704 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10705
10706         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10707         read_write_dep and macros for its access.
10708         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10709         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10710         argument, call vect_check_interleaving for every independent pair of
10711         data-refs. Mark loads that access the same memory location as a store
10712         in the loop.
10713         (vect_check_dependences): Remove.
10714         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10715         call, fix the call to vect_analyze_data_ref_dependence.
10716         (vect_analyze_data_ref_access): For statements that access the same
10717         data-ref, check that they are not stores; for loads, check that there
10718         is no store that access the same location.
10719
10720 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10721             Joseph Myers  <joseph@codesourcery.com>
10722
10723         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10724         (-fdump-rtl-stack): Likewise.
10725         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10726         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10727         (-mpt-fixed): Use @minus{} for minus sign.
10728         (Using Precompiled Headers): Fix under/overfull hbox.
10729
10730 2007-01-20  Jan Hubicka  <jh@suse.cz>
10731
10732         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10733         place within annotation.
10734
10735 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10736
10737         * pa.c (output_move_double): Change array size of xoperands to 4.
10738
10739 2007-01-20  Jan Hubicka  <jh@suse.cz>
10740
10741         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10742         as temporary.
10743
10744 2007-01-19  Ian Lance Taylor  <iant@google.com>
10745
10746         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10747         constant to unsigned HOST_WIDE_INT before negating.
10748
10749 2007-01-19  Ian Lance Taylor  <iant@google.com>
10750
10751         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10752         to unsigned.
10753         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10754         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10755         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10756         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10757         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10758         (realloc_vdef, realloc_vuse): Change second parameter to
10759         unsigned.
10760         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10761         fields to unsigned.
10762         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10763         unsigned. Change x and lim locals to unsigned.
10764         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10765         unsigned.
10766         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10767         (copy_virtual_operands): Change i and n locals to unsigned.
10768
10769 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10770
10771         PR middle-end/29335
10772         * builtins.c (fold_builtin_1): Handle builtin fdim.
10773
10774 2007-01-20  Jan Hubicka  <jh@suse.cz>
10775
10776         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10777         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10778         init_alias_heapvars.
10779         (init_alias_heapvars): Initialize only when not already initialized.
10780         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10781
10782 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10783
10784         * common.opt (fsigned-zeros): New command line option.
10785         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10786         of flag_unsafe_math_optimizations.
10787         * opts.c (set_fast_math_flags): The -ffast-math command line option
10788         implies -fno-signed-zeros.
10789         (fast_math_flags_set_p): Likewise.
10790
10791         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10792         the documentation of -ffast-math appropriately.  Wrap long lines.
10793
10794 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10795
10796         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10797         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10798
10799 2007-01-19  Tomas Bily  <tbily@suse.cz>
10800
10801         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10802         * tree-profile.c:
10803         (tree_init_ic_make_global_vars): New function
10804         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10805         (tree_gen_ic_profiler): New function
10806         (tree_gen_ic_func_profiler): New function
10807         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10808         (tree_profile_hooks): Added hook for indirec/virtual calls
10809         * value-prof.c (tree_find_values_to_profile): New case for
10810         indirect calls
10811         (tree_values_to_profile): Call for determining indirect/virtual
10812         counters
10813         (tree_indirect_call_to_profile): New function
10814         (tree_ic_transform): New function
10815         (tree_ic): New function
10816         (find_func_by_pid): New function
10817         (init_pid_map): New function
10818         (tree_value_profile_transformations): Added check for
10819         indirect/virtual call transformation
10820         * value-prof.h (enum hist_type): New counter type for
10821         indirect/virtual calls
10822         (profile_hooks): Added new hook for profiling indirect/virtual
10823         calls
10824         * profile.c (instrument_values): New case for indirect/virtual
10825         call added
10826         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10827         (GCOV_COUNTER_V_INDIR): New counter type
10828         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10829         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10830         call added
10831         * cgraph.c: Definition of cgraph_max_pid
10832         (cgraph_create_node): Default init of pid attribute
10833         * cgraph.h: Declaration of cgraph_max_pid
10834         (struct cgraph_node): Added pid attribute
10835         * libgcov.c (__gcov_indirect_call_profiler): New function
10836         (__gcov_one_value_profiler_body): New function
10837         (__gcov_one_value_profiler): Body was moved to
10838         __gcov_one_value_profiler_body and calls it
10839
10840 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10841
10842         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10843         * gengtype.c (write_types_data, write_func_for_structure,
10844         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10845         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10846         (walk_type, write_func_for_structure): Generate the mark_hook if
10847         needed.
10848
10849 2007-01-19  Jan Hubicka  <jh@suse.cz>
10850
10851         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10852         'early' argument take inlining mode argument specifying whether to
10853         inline for size/speeed or all functions; add support for flattening;
10854         improve dumpting.
10855         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10856
10857 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10858
10859         PR c++/17947
10860         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10861         the name of the declared identifier.
10862
10863 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10864
10865         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10866         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10867         duplicate evaluation.
10868
10869 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10870
10871         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10872         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10873         to XFMode, use acosxf2 and truncate result to requested mode.
10874         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10875         (asin<mode>2): Similarly, with asin expanders.
10876         (*fscalexf4_i387): Rename from *fscalexf4.
10877         (expNcorexf3): New expander.
10878         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10879         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10880         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10881         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10882         patterns for SSE math.
10883         (exp10<mode>2): Similarly, with exp10 expanders.
10884         (exp2<mode>2): Similarly, with exp2 expanders.
10885         (expm1<mode>2): Similarly, with expm1 expanders.
10886         (ldexp<mode>3): Similarly, with ldexp expanders.
10887         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10888         Use gen_truncxf<mode>2_i387_noop to truncate result.
10889
10890 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10891
10892         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10893         for ColdFire targets.
10894
10895 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10896             Richard Sandiford  <richard@codesourcery.com>
10897
10898         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10899         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10900         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10901         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10902         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10903         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10904
10905 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10906
10907         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10908         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10909         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10910         (*adddi_dilshr32_cf): New pattern.
10911         (adddi3, subdi3): Remove first alternatives.
10912
10913 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10914
10915         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10916         implemented using move.l, do not use its cc result for floating-point
10917         comparisons.
10918
10919 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10920
10921         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10922         from accepting 's' constraints if flag_pic.
10923
10924 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10925
10926         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10927         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10928         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10929         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10930
10931 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10932
10933         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10934         ColdFire alternatives.
10935         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10936         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10937         architectures that support ff1 instruction.
10938
10939 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10940             Julian Brown  <julian@codesourcery.com>
10941
10942         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10943         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10944         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10945         Add commentary.
10946
10947 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10948
10949         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10950         and return a bool.
10951         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10952         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10953         HOST_WIDE_INT instead of an rtx.
10954         (m68k_rtx_costs): Update call accordingly.
10955         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10956         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10957         Return a bool.
10958         (output_move_simode_const): Update calls after above changes.
10959         Rework to use automatic variables and predicates like MEM_P.
10960         * config/m68k/m68k.md (pushexthisi_const): Update call to
10961         valid_mov3q_const.
10962
10963 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10964
10965         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10966         in dump_flags test.
10967
10968 2007-01-19  Richard Guenther  <rguenther@suse.de>
10969
10970         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10971         via cexp in case sincos is not available.
10972
10973 2007-01-19  Richard Guenther  <rguenther@suse.de>
10974
10975         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10976         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10977         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10978         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10979         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10980         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10981         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10982         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10983
10984 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10985
10986         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10987         New insn patterns.
10988         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10989         (atan2xf3): Directly generate RTL pattern.
10990         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10991         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10992         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10993         disable patterns for SSE math.
10994         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10995         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10996         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10997         disable patterns for SSE math.
10998
10999 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
11000
11001         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
11002
11003 2007-01-18  Roger Sayle  <roger@eyesopen.com>
11004
11005         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
11006         VIEW_CONVERT_EXPR to the same type as it's operand.
11007
11008 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
11009
11010         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
11011         configured for long double 128.
11012
11013 2007-01-18  Mike Stump  <mrs@apple.com>
11014
11015         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
11016         error.
11017
11018 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
11019
11020         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
11021         type correct.
11022
11023 2007-01-18  Jan Hubicka  <jh@suse.cz>
11024
11025         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
11026         greater than NUM_VOP_FREE_BUCKETS.
11027
11028 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
11029
11030         * tree-ssa-structalias.c: Update comments.
11031         (ptabitmap_obstack): Removed.
11032         (pta_obstack): New.
11033         (oldpta_obstack): Ditto.
11034         (stats): Add a few members.
11035         (struct variable_info): Remove node, complex, address_taken, and
11036         indirect_target members. Add oldsolution member.
11037         (new_var_info): Do not initialize removed members.
11038         (constraint_expr_type): Remove INCLUDES.
11039         (constraint_graph): Add size, implicit_preds, rep,
11040         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
11041         (FIRST_REF_NODE): New macro.
11042         (LAST_REF_NODE): Ditto.
11043         (FIRST_ADDR_NODE): Ditto.
11044         (find): New function.
11045         (unite): Ditto.
11046         (dump_constraint): Do not handle INCLUDES.
11047         (insert_into_complex): Do not insert duplicate constraints.
11048         (condense_varmap_nodes): Renamed and rewritten into ...
11049         (merge_node_constraints): This. Also fix bug in handling of
11050         offseted copy constraints.
11051         (clear_edges_for_node): No longer need to deal with preds at all,
11052         or removing associated preds/succs.
11053         (merge_graph_nodes): Deal with indirect_cycles.
11054         Don't deal with predecessors.
11055         (add_implicit_graph_edge): New function.
11056         (add_pred_graph_edge): Ditto.
11057         (add_graph_edge): Don't deal with predecessors.
11058         (build_constraint_graph): Removed.
11059         (build_pred_graph): New function.
11060         (build_succ_graph): Ditto.
11061         (struct scc_info): Removed in_component. Added roots, dfs, and
11062         node_mapping. Remove visited_index, unification_queue.
11063         (scc_visit): Deal with union-find we do now.
11064         Deal with cycles with REF nodes.
11065         (collapse_nodes): Renamed and rewritten to ...
11066         (unify_nodes): This.
11067         (process_unification_queue): Removed.
11068         (topo_visit): Cleanup
11069         (do_da_constraint): Use find.
11070         (do_sd_constraint): Ditto.
11071         (do_ds_constraint): Ditto.
11072         (do_complex_constraint): Ditto.
11073         (init_scc_info): Update for removed and added members.
11074         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
11075         (find_indirect_cycles): This.
11076         (equivalence_class): New variable.
11077         (label_visit): New function.
11078         (perform_variable_substitution): Rewritten.
11079         (free_var_substitution_info): New function.
11080         (find_equivalent_node): Ditto.
11081         (move_complex_constraints): Ditto.
11082         (eliminate_indirect_cycles): Ditto.
11083         (solve_graph): Only propagate changed bits.
11084         Use indirect cycle elimination.
11085         Use find.
11086         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
11087         (tree_id_eq): Renamed to ...
11088         (tree_vi_eq): This. Update for member change
11089         (insert_id_for_tree): Renamed and rewritten to ...
11090         (insert_vi_for_tree): This.
11091         (lookup_id_for_tree): Renamed and rewritten to ...
11092         (lookup_vi_for_tree): This.
11093         (get_id_for_tree): Renamed and rewritten to ...
11094         (get_vi_for_tree): Ditto.
11095         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
11096         (process_constraint): Don't handle INCLUDES.
11097         Remove special ADDRESSOF case.
11098         (find_func_aliases): Rewrite to use vi functions instead of id
11099         ones.
11100         (create_function_info_for): Ditto.
11101         (create_variable_info_for): Ditto.
11102         (intra_create_variable_infos): Ditto.
11103         (merge_smts_into): Ditto.
11104         (find_what_p_points_to): Ditto.
11105         (init_base_vars): Ditto.
11106         (init_alias_vars): Ditto.
11107         (remove_preds_and_fake_succs): New function.
11108         (dump_sa_points_to_info): Dump new stats.
11109         (dump_solution_for_var): Use find.
11110         (set_used_smts): Fix formatting.
11111         (compute_points_to_sets): Updated for new functions.
11112         (ipa_pta_execute): Ditto.
11113
11114 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11115             Richard Sandiford  <richard@codesourcery.com>
11116
11117         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
11118         parallels.
11119         * calls.c (expand_call): If the return value is a PARALLEL,
11120         extract its first member.
11121         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
11122         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11123         use FUNCTION_EXTRA_EPILOGUE.
11124         (m68k_function_value): Return a PARALLEL if the return value
11125         is of a pointer type.
11126         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
11127         (FUNCTION_EXTRA_EPILOGUE): Remove.
11128         * config/m68k/m68k.md (D0_REG): New constant.
11129
11130 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11131
11132         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11133         output a NOP for empty epilogues.
11134
11135 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11136
11137         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
11138         before function.  Extend register save check to include all
11139         registers, not just integer ones.
11140
11141 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11142
11143         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
11144         (m68k_use_return_insn): ...this.
11145         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
11146         * config/m68k/m68k.c (use_return_insn): Rename to...
11147         (m68k_use_return_insn): ...this.
11148         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
11149         of USE_RETURN_INSN.
11150
11151 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11152
11153         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
11154         nearest even, fix denormal rounding overflow.
11155
11156 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11157
11158         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
11159         f%$smove and f%$move.
11160         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
11161         (extendsfdf2_cf): Use fdmove instead of f%&move.
11162         (truncdfsf2_cf): Use fsmove instead of f%$smove.
11163         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
11164
11165 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11166
11167         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
11168         GPR<-GPR moves.
11169
11170 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11171
11172         * real.h (real_format): Add a canonical_nan_lsbs_set field.
11173         (coldfire_single_format): Declare.
11174         (coldfire_double_format): Likewise.
11175         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
11176         of qnan_msb_set to determine the lower bits of a canonical
11177         NaN significand.
11178         (encode_ieee_double): Likewise.
11179         (encode_ieee_quad): Likewise.
11180         (ieee_single_format): Initialize canonical_nan_lsbs_set.
11181         (mips_single_format): Likewise.
11182         (ieee_double_format): Likewise.
11183         (mips_double_format): Likewise.
11184         (ieee_extended_motorola_format): Likewise.
11185         (ieee_extended_intel_96_format): Likewise.
11186         (ieee_extended_intel_128_format): Likewise.
11187         (ieee_extended_intel_96_round_53_format): Likewise.
11188         (ibm_extended_format): Likewise.
11189         (mips_extended_format): Likewise.
11190         (ieee_quad_format): Likewise.
11191         (mips_quad_format): Likewise.
11192         (vax_f_format): Likewise.
11193         (vax_d_format): Likewise.
11194         (vax_g_format): Likewise.
11195         (i370_single_format): Likewise.
11196         (i370_double_format): Likewise.
11197         (decimal_single_format): Likewise.
11198         (decimal_double_format): Likewise.
11199         (decimal_quad_format): Likewise.
11200         (c4x_single_format): Likewise.
11201         (c4x_extended_format): Likewise.
11202         (real_internal_format): Likewise.
11203         (coldfire_single_format): New real_format.
11204         (coldfire_double_format): Likewise.
11205         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11206         canonical_nan_lsbs_set.
11207         (pdp11_d_format): Likewise.
11208         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11209         if TARGET_COLDFIRE_CPU.
11210
11211 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11212
11213         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11214         (output_call, m68k_legitimize_call_address): Declare.
11215         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11216         parenthesees.  Add support for a 'W' constraint.
11217         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11218         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11219         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11220         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11221         variables.
11222         (override_options): Initialize them.  Do not set flag_no_function_cse
11223         for TARGET_ID_SHARED_LIBRARY.
11224         (m68k_output_pic_call): Delete.
11225         (m68k_legitimize_call_address): New function.
11226         (print_operand): Remove the %o prefix.  Handle the %p prefix.
11227         (output_call): New function.
11228         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
11229         target address from the GOT if symbolic jumps are not allowed.
11230         * config/m68k/m68k.md (call, general_operand): Do not set
11231         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
11232         Merge separate flag_pic and !flag_pic define_insns into...
11233         (*call, *call_value): ...these new patterns.  Match the address
11234         rather than the containing MEM and require it to be a call_operand.
11235         Use output_call to generate the asm template.
11236         * config/m68k/predicates.md (const_call_operand): New predicate.
11237         (call_operand): Likewise.
11238
11239 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11240
11241         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11242         (STACK_GROWS_DOWNWARD): Define to 1.
11243         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11244         comments, emphasizing that these values are only defaults.
11245         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11246         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11247
11248 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11249
11250         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11251
11252 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11253             Richard Sandiford  <richard@codesourcery.com>
11254
11255         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11256         (FP_REGNO_P): New macros.
11257         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11258         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11259         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11260         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11261
11262 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11263
11264         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11265         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11266         to $tmake_file.
11267         * config/m68k/t-floatlib: New file, extracting common code from...
11268         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11269         * config/m68k/t-uclinux: Here.
11270         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11271         routines on ColdFire targets.
11272
11273 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11274
11275         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11276         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11277         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11278         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11279         explicitly set MOTOROLA to 1.
11280         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11281
11282 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11283             Nathan Sidwell  <nathan@codesourcery.com>
11284
11285         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11286         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11287         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11288         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11289         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11290         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11291         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11292         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11293         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11294         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11295         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11296         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11297         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11298         (DBX_REGISTER_NUMBER): Delete.
11299         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11300         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11301         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11302
11303 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11304
11305         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11306         * config/flat.h: New file.
11307         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11308         OBJECT_FORMAT_FLAT.
11309         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11310         indirect references for -msep-data or -mid-shared-library.
11311         Do not use PC-relative code addresses either.
11312         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11313         to -mpcrel.
11314         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11315         for shared libraries and crt1.o for executables.  Use crti.o and
11316         crtbegin.o.
11317         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11318         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11319         Do not add -elf2flt or -shared-lib-id options here.
11320         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11321         Pass -shared-lib-id if -mid-shared-library, taking the library
11322         identifier from -mshared-library-id if given, otherwise
11323         defaulting to 0.
11324         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11325         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11326         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11327         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11328         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11329         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11330         and crtend.o.
11331         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11332         jump sequence for ISA A and ISA A+.
11333         (PICJUMP): Likewise.
11334
11335 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11336
11337         * config.gcc (m68k-*-uclinux*): Base the port on the common
11338         and m68k GNU/Linux files rather than on the generic ELF ones.
11339         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11340         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11341
11342 2007-01-18  Julian Brown  <julian@codesourcery.com>
11343             Richard Sandiford  <richard@codesourcery.com>
11344
11345         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11346         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11347         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11348         before redefining.
11349         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11350         80 unconditionally.
11351         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11352
11353 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11354
11355         * doc/install.texi: Document m68k-uclinuxoldabi.
11356         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11357         * config/m68k/uclinux-oldabi.h: New file, copied from
11358         config/m68k/uclinux.h.
11359
11360 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11361
11362         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11363         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11364         (m32r_compute_frame_size): Use unsigned for regno.
11365         (m32r_reload_lr): Use gen_frame_mem.
11366         (pop): New.
11367         (m32r_output_function_epilogue): Don't output the function epilogue
11368         textually here.
11369         (m32r_expand_epilogue): New.
11370         (direct_return): Return false if the function has the interrupt
11371         attribute.
11372         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11373         * config/m32r/m32r.md (epilogue): New expander.
11374         (return_lr, return_rte): New insns.
11375         (return): Make it expander.
11376         (return_normal): New expander.
11377
11378 2007-01-18  Josh Conner  <jconner@apple.com>
11379
11380         PR target/30485
11381         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11382         support for UNLE, UNLT, UNGE, and UNGT.
11383
11384 2007-01-18  Jan Hubicka  <jh@suse.cz>
11385
11386         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11387         * tree-tailcall (add_virtual_phis): Likewise.
11388         (optimize_tail_call): Return TODOs.
11389         (execute_tail_calls): Return TODOs.
11390         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11391         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11392         changed.
11393         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11394         Cleanup cfg using TODO.
11395         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11396         * passes.c (execute_function_todo): When cleanup did something, remove
11397         unused locals.
11398         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11399         (make_edges): Don't cleanup_cfg.
11400
11401 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11402
11403         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11404         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11405         operate on the top of stack.
11406         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11407         register handling of instructions that output to the second
11408         stack slot.
11409         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11410         (move_for_stack_reg): Special-case check for dead destination
11411         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11412
11413         * config/i386/i386.md (UNSPEC_TAN): New constant.
11414         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11415         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11416         to correctly model move of constant 1.0 to top stack slot.
11417         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11418         (unnamed peephole2 pattern): Remove corresponding peephole2
11419         pattern that optimizes tan insn and loading of constant 1.0.
11420         (tanxf2): Use fptanxf4_i387.
11421         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11422         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11423         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11424         disable patterns for SSE math.
11425         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11426         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11427
11428 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11429             Richard Guenther <rguenther@suse.de>
11430
11431         PR diagnostic/8268
11432         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11433         * common.opt (Warray-bounds): Add new warning option.
11434         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11435         if -Wall is given.
11436         * Makefile.in: make tree-vrp.o depend on toplev.h
11437         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11438         is enabled.
11439         (check_array_refs, check_array_bounds, check_array_ref): New.
11440
11441 2007-01-18  Jan Hubicka  <jh@suse.cz>
11442
11443         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11444         (execute_ssa_ccp): Return flags conditionally.
11445         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11446         changed.
11447         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11448
11449 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11450
11451         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11452         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11453
11454         * Makefile.c (GTFILES): Add cfglayout.h.
11455         * gengtype.c (open_base_files): Likewise.
11456         * cfglayout.c (cfg_layout_function_footer,
11457         cfg_layout_function_header) Reindent to make gengtype happy.
11458         * cfglayout.h (cfg_layout_function_footer,
11459         cfg_layout_function_header): Add GTY(()) marker.
11460
11461         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11462
11463 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11464
11465         * genautomata.c (write_automata): Include xstrerror output in the
11466         error message if writing the DFA description file fails.
11467
11468 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11469
11470         * config/mips/mips-protos.h (mips_output_external): Make it
11471         return void.
11472         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11473         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11474         (extern_list): Likewise.
11475         (extern_head): Likewise.
11476         (TARGET_ASM_FILE_END): Likewise.
11477         (mips_file_end): Likewise.
11478         (mips_output_external): Rewritten.
11479
11480 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11481
11482         * genpreds.c (write_insn_preds_c): Only write out the function
11483         body for regclass_for_constraint if we have register constraints.
11484
11485 2007-01-17  Tom Tromey  <tromey@redhat.com>
11486
11487         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11488         * doc/install.texi (Testing): Use sourceware.org.
11489         (Binaries): Likewise.
11490         (Specific): Likewise.
11491         * doc/contrib.texi (Contributors): Use sourceware.org.
11492
11493 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11494
11495         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11496         (AVR_ENHANCED): Rename to ...
11497         (AVR_HAVE_MUL): ... new.
11498         (avr_enhanced_p): Rename to ...
11499         (avr_have_mul_p): ... new.
11500         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11501         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11502         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11503         (avr_have_mul_p): ... new.
11504         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11505         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11506         'avr_enhanced_p' and 'enhanced'.
11507         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11508         AVR_HAVE_MUL instead of AVR_ENHANCED.
11509         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11510         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11511         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11512         instead of AVR_ENHANCED.
11513         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11514         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11515         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11516
11517 2007-01-17  Ian Lance Taylor  <iant@google.com>
11518
11519         * vec.h (VEC_reserve_exact): Define.
11520         (vec_gc_p_reserve_exact): Declare.
11521         (vec_gc_o_reserve_exact): Declare.
11522         (vec_heap_p_reserve_exact): Declare.
11523         (vec_heap_o_reserve_exact): Declare.
11524         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11525         versions.
11526         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11527         negative parameter.
11528         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11529         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11530         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11531         * vec.c (calculate_allocation): Add exact parameter.  Change all
11532         callers.
11533         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11534         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11535         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11536         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11537         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11538         (vec_heap_p_reserve_exact): New function.
11539         (vec_heap_o_reserve_exact): New function.
11540
11541 2007-01-17  Jan Hubicka  <jh@suse.cz>
11542
11543         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11544
11545 2007-01-17  Eric Christopher  <echristo@apple.com>
11546
11547         * config.gcc: Support core2 processor.
11548
11549 2007-01-16  Jan Hubicka  <jh@suse.cz>
11550
11551         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11552         the names, just unlink the chain so we don't crash on dangling pointers
11553         to dead SSA names.
11554
11555 2007-01-16  Jan Hubicka  <jh@suse.cz>
11556
11557         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11558         * tree-pass.h: Reorder to make IPA passes appear toegher.
11559         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11560         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11561         parameters, do not call early inliner.
11562         * ipa-inline.c: Update comments.  Include tree-flow.h
11563         (cgraph_decide_inlining): Do not compute inlining parameters.
11564         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11565         be called with function context set up.
11566         (pass_ipa_inline): Remove unreachable functions before pass.
11567         (cgraph_early_inlining): Simplify assuming to be called from the
11568         PM as local pass.
11569         (pass_early_inline): New pass.
11570         (cgraph_gate_ipa_early_inlining): New gate.
11571         (pass_ipa_early_inline): Turn into simple wrapper.
11572         (compute_inline_parameters): New function.
11573         (gate_inline_passes): New gate.
11574         (pass_inline_parameters): New pass.
11575         (apply_inline): Move here from tree-optimize.c
11576         (pass_apply_inline): New pass.
11577         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11578         transforming.
11579         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11580         doing them by hand.
11581         (tree_function_versioning): Do not allocate dummy struct function.
11582         * tree-inline.h (optimize_inline_calls): Update prototype.
11583         * tree-optimize.c (execute_fixup_cfg): Export.
11584         (pass_fixup_cfg): Remove
11585         (tree_rest_of_compilation): Do not apply inlines.
11586         * tree-flow.h (execute_fixup_cfg): Declare.
11587         * Makefile.in (gt-passes.c): New.
11588         * passes.c: Include gt-passes.h
11589         (init_optimization_passes): New passes.
11590         (nnodes, order): New static vars.
11591         (do_per_function_toporder): New function.
11592         (execute_one_pass): Dump current pass here.
11593         (execute_ipa_pass_list): Don't dump current pass here.
11594
11595 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11596
11597         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11598         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11599
11600 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11601
11602         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11603         (strong_alias): Define.
11604         (__gcc_qmul): Provide non-FMA for soft-float.
11605         (__gcc_qdiv): Same.
11606         (__gcc_qneg): New.
11607         (__gcc_qeq): New.
11608         (__gcc_qle): New.
11609         (__gcc_qge): New.
11610         (__gcc_qunord): New.
11611         (__gcc_stoq): New.
11612         (__gcc_dtoq): New.
11613         (__gcc_qtos): New.
11614         (__gcc_qtod): New.
11615         (__gcc_qtoi): New.
11616         (__gcc_qtou): New.
11617         (__gcc_itoq): New.
11618         (__gcc_utoq): New.
11619         (fmsub): New.
11620         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11621         soft-float functions.
11622         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11623         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11624         about long double soft float.
11625
11626 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11627             Tehila Meyzels  <tehila@il.ibm.com>
11628
11629         * tree-vectorizer.h (is_pattern_stmt_p): New.
11630         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11631         formatting (tabs instead of spaces). Cleanup and clarify setting
11632         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11633         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11634         (vectorizable_type_demotion): Check that types are integral.
11635         (vectorizable_type_promotion): Likewise.
11636         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11637         comments.
11638
11639 2007-01-16  Jan Hubicka  <jh@suse.cz>
11640
11641         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11642         cgraph edges too.
11643
11644 2007-01-15  Eric Christopher  <echristo@apple.com>
11645
11646         * ifcvt.c: Include vec.h, vecprim.h.
11647         (check_cond_move_block): New argument regs.
11648         Reorganize. Add registers used to regs.
11649         (cond_move_process_if_block): Use regs set above as
11650         loop bounds.
11651
11652 2007-01-15  Eric Christopher  <echristo@apple.com>
11653
11654         * config/darwin.h: Update copyright.
11655         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11656         (LINK_COMMAND_SPEC): Add -u.
11657         (LINK_SPEC): Fix umbrella for above.
11658
11659 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11660
11661         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11662         glibc CVS.
11663
11664 2007-01-15  Tom Tromey  <tromey@redhat.com>
11665
11666         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11667         * doc/install.texi (Testing): Don't mention jacks.
11668         (Configuration): Document --enable-java-maintainer-mode.  Move
11669         --with-java-home to libgcj-specific section.  Document
11670         --with-ecj-jar.
11671         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11672
11673 2007-01-15  Jan Hubicka  <jh@suse.cz>
11674
11675         * tree-ssa-dce.c (DCE_TODOs): New.
11676         (propagate_necessity): Return if something changed.
11677         (eliminate_unnecessary_stmts): Likewise.
11678         (perform_tree_ssa_dce): Return TODO flags when needed.
11679         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11680
11681 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11682
11683         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11684         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11685         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11686         patterns using X87MODEF12 mode macro.  Extend operand 1
11687         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11688         (log10<mode>2): Ditto.
11689         (log2<mode>2): Ditto.
11690         (log1p<mode>2): Ditto.
11691         (logb<mode>2): Ditto.
11692         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11693         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11694         (*fxtractxf3_i387): Rename from *fxtractxf3.
11695         (fxtract_extend<mode>xf3_i387): New insn pattern.
11696         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11697         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11698         and gen_fyl2xxf3_i387().
11699
11700 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11701
11702         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11703         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11704         get_loop_exit_edges.  Changed return type to bool.
11705         * cfgloop.h (fix_loop_placement): Declaration removed.
11706
11707 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11708
11709         * param.h (MIN_VECT_LOOP_BOUND): New.
11710         * params.def (MIN_VECT_LOOP_BOUND): New.
11711         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11712         argument - minimum threshold for number of iterations.
11713         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11714         argument to declaration.
11715         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11716         MIN_VECT_LOOP_BOUND.
11717         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11718         slpeel_tree_peel_loop_to_edge with additional argument.
11719         (vect_do_peeling_for_alignment): Likewise.
11720         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11721
11722 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11723
11724         PR target/30413
11725         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11726         operands of size 1.
11727
11728 2007-01-14  Jan Hubicka  <jh@suse.cz>
11729
11730         * tree-dfa.c (remove_referenced_var): New function.
11731         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11732         prune referenced vars list too.
11733         * tree-flow.h (remove_referenced_var): Declare.
11734
11735 2007-01-14  Jan Hubicka  <jh@suse.cz>
11736
11737         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11738         separately.
11739         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11740         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11741         * except.h (verify_eh_throw_table_statements): Kill prototype.
11742         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11743         into call exrepssions.
11744         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11745         eh trhow verifier.
11746         * tree-cfg.c: Include pointer-set.h.
11747         (verify_node_sharing): Work on pointer set.
11748         (verify_eh_throw_stmt_node): New.
11749         (verify_stmts): Use pointers sets, verify throw_stmt.
11750
11751 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11752
11753         * ipa-reference.c (analyze_function): Consider also addresses taken
11754         in phi nodes.
11755
11756 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11757
11758         * c-typeck.c (null_pointer_constant_p): Replace use of
11759         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11760         (build_c_cast): Likewise.
11761
11762 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11763
11764         * tree.h (force_fit_type_double): Remove unused final argument.
11765         * c-common.c (constant_expression_warning): Replace use of
11766         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11767         (convert_and_check): Likewise.
11768         (shorten_compare): Update call to force_fit_type_double.
11769         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11770         * convert.c (convert_to_pointer): Update call to
11771         force_fit_type_double.
11772         * fold-const.c (force_fit_type_double): Remove overflowed_const
11773         argument.
11774         (int_const_binop, fold_convert_const_int_from_int,
11775         fold_convert_const_int_from_real, fold_div_compare,
11776         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11777         fold_abs_const, fold_not_const): Remove the final argument from
11778         calls to force_fit_type_double.
11779
11780 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11781
11782         * configure.ac: Set insn to "nop" for spu-*-* also.
11783         * configure: Regenerate.
11784
11785 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11786
11787         * builtins.def : Add BUILT_IN_FREE.
11788
11789 2007-01-12  Jan Hubicka  <jh@suse.cz>
11790
11791         PR tree-optimization/30443
11792         * tree-inline.c (tree_function_versioning): Do not optimize when
11793         cloning for inlining.
11794
11795 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11796
11797         * doc/loop.texi: Document recording of loop exits.
11798         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11799         (update_single_exits_after_duplication,
11800         update_single_exit_for_duplicated_loop,
11801         update_single_exit_for_duplicated_loops): Removed.
11802         (duplicate_loop_to_header_edge): Do not call
11803         update_single_exits_after_duplication and
11804         update_single_exit_for_duplicated_loops.
11805         (loop_version): Do not update single_exit information.
11806         (fix_loop_structure): Use record_loop_exits instead of
11807         mark_single_exit_loops.
11808         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11809         the lists of loop exits.
11810         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11811         split_edge, merge_blocks): Update the lists of loop exits.
11812         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11813         loop_optimizer_init.
11814         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11815         of mark_single_exit_loops.
11816         (loop_optimizer_finalize): Call release_recorded_exits.
11817         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11818         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11819         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11820         update single exit information.
11821         * lambda-code.c (perfect_nestify): Ditto.
11822         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11823         (mark_single_exit_loops): Removed.
11824         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11825         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11826         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11827         functions.
11828         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11829         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11830         (verify_loop_structure): Verify consistency of the exit lists.
11831         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11832         (set_single_exit): Removed.
11833         * cfgloop.h (struct loop_exit): New function.
11834         (struct loop): single_exit_ field replaced by exits field.
11835         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11836         (struct loops): Added exits hash.
11837         (mark_single_exit_loops, set_single_exit): Declaration removed.
11838         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11839
11840 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11841
11842         * doc/invoke.texi: Avoid use of @headitem.
11843
11844 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11845
11846         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11847
11848 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11849
11850         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11851         list of targets.
11852
11853 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11854             Richard Sandiford  <richard@codesourcery.com>
11855
11856         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11857         * config/m68k/m68k.opt: Resort options.
11858         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11859
11860 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11861             Richard Sandiford  <richard@codesourcery.com>
11862
11863         * doc/invoke.texi: Document the macros that are defined by
11864         m68k's -mtune and -mhard-float options.
11865         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11866         (m68k_cpp_cpu_family): Likewise.
11867         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11868         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11869         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11870         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11871         (m68k_cpp_cpu_family): Likewise.
11872
11873 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11874
11875         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11876         macros besides mc68000 as tuning macros.  Use a switch statement
11877         to set them and mcpu32.
11878
11879 2007-01-12  Julian Brown  <julian@codesourcery.com>
11880
11881         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11882         (TARGET_68040_ONLY): Rename to...
11883         (TARGET_68040): ...this.
11884         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11885         * config/m68k/m68k.md: Likewise.
11886
11887 2007-01-12  Julian Brown  <julian@codesourcery.com>
11888             Nathan Sidwell  <nathan@codesourcery.com>
11889             Richard Sandiford  <richard@codesourcery.com>
11890
11891         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11892         the -mcpu= argument associated with the --with-cpu setting.
11893         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11894         if different from the one implied by the -mcpu setting.
11895         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11896         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11897         * doc/invoke.texi: Mention ColdFire in the introduction to the
11898         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11899         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11900         -mhard-float.  Document the previously-undocumented -m5206e,
11901         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11902         documentation for consistency.
11903         * doc/install.texi: Mention new --with-cpu arguments.
11904         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11905         default CPU if neither -mcpu nor -march are specified.
11906         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11907         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11908         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11909         using m68k_tune to decide between families that implement the
11910         same ISA.  Use m68k_tune to set __mcfv4e__.
11911         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11912         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11913         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11914         (FL_ISA_C, FL_ISA_MMU): New macros.
11915         (MASK_COLDFIRE): Delete.
11916         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11917         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11918         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11919         (TARGET_HARD_FLOAT): Do not define here.
11920         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11921         (TUNE_68000): New macro.
11922         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11923         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11924         (TUNE_CFV2): Redefine in terms of m68k_tune.
11925         (uarch_type, target_device, fpu_type): New enums.
11926         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11927         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11928         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11929         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11930         (FL_FOR_isa_c): New macros.
11931         (m68k_isa): New enum.
11932         (m68k_target_selection): New structure.
11933         (all_devices, all_isas, all_microarchs): New tables.
11934         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11935         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11936         (MASK_ALL_CPU_BITS): Delete.
11937         (m68k_find_selection): New function.
11938         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11939         Map the legacy target options to a combination of the new ones.
11940         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11941         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11942         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11943         settings.
11944         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11945         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11946         properties.
11947         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11948         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11949         * config/m68k/m68k-devices.def: New file.
11950
11951 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11952             Nathan Sidwell  <nathan@codesourcery.com>
11953
11954         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11955         (SUBTARGET_EXTRA_SPECS): New macros.
11956         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11957         use %(asm_cpu_spec) instead.
11958         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11959         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11960         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11961         (EXTRA_SPECS): Rename to...
11962         (SUBTARGET_EXTRA_SPECS): ...this.
11963
11964 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11965             Richard Sandiford  <richard@codesourcery.com>
11966             Julian Brown  <julian@codesourcery.com>
11967
11968         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11969         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11970         to the configuration's default CPU.
11971         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11972         Remove default masks.
11973         (m680[012]0-*-*): Set the default with_cpu to the first part of
11974         the target name.
11975         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11976         (m68k*-*-linux): Extend the --with-cpu handling to...
11977         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11978         and m68010.  Don't set target_cpu_default2.
11979         * doc/install.texi: Document --with-cpu for m68k.
11980         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11981         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11982         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11983         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11984         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11985         (ASM_SPEC): Remove use of %(asm_cpu_default).
11986         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11987         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11988         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11989         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11990         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11991         (TARGET_DEFAULT): Delete.
11992         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11993         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11994         (CPP_CPU_SPEC): Delete.
11995         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11996         the appropriate string.
11997         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11998         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11999         (ASM_SPEC): Don't use %(asm_default_spec).
12000         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12001         TARGET_DEFAULT and add MASK_68881.
12002         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
12003
12004 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12005
12006         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
12007         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
12008         MASK_68010 alongside MASK_68020.
12009         * doc/invoke.texi: Document -m68010.
12010         * config/m68k/m68k.opt (m68010): New.
12011         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
12012         if TUNE_68010.
12013         (TUNE_68010): New macro.
12014         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
12015         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
12016         (M68K_CPU_m68332): Add MASK_68010.
12017         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
12018         fallback definition.
12019         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
12020         defines.
12021         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
12022         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
12023         to all entries that use MASK_68020.
12024         (output_move_simode_const, output_move_himode, output_move_qimode)
12025         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
12026         instead of TARGET_68020 to select clr behavior.  Remove comment
12027         about there being no TARGET_68010.
12028         * config/m68k/m68k.md: Likewise throughout.
12029
12030 2007-01-12  Julian Brown  <julian@codesourcery.com>
12031
12032         * config/m68k/m68k.h (TARGET_ISAB): New macro.
12033         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
12034         * config/m68k/m68k.md: Likewise.
12035
12036 2007-01-12  Julian Brown  <julian@codesourcery.com>
12037
12038         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
12039         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
12040
12041 2007-01-12  Julian Brown  <julian@codesourcery.com>
12042
12043         * config/m68k/m68k.h (TUNE_68040_60): New macro.
12044         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
12045         * config/m68k/m68k.md: Likewise.
12046
12047 2007-01-12  Julian Brown  <julian@codesourcery.com>
12048             Richard Sandiford  <richard@codesourcery.com>
12049
12050         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
12051         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
12052         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
12053         TARGET_CPU32.
12054         (TARGET_CPU32): Rename to...
12055         (TUNE_CPU32): ...this.
12056         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
12057         (TUNE_CFV2): New macros.
12058         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
12059         remove conditions that are implied by TARGET_68020.
12060         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
12061         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
12062         (m68k_output_function_epilogue): Likewise.
12063         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
12064         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
12065         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
12066         non-68000 timings.  Refactor multiplication and division costs.
12067         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
12068         TUNE_CPU32 instead of TARGET_CPU32.
12069         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
12070         and TUNE_68060 instead of TARGET_68060.
12071         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
12072         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
12073         TARGET_CPU32.
12074         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
12075         && !TARGET_COLDFIRE" to choose between moveq and clr.
12076         Likewise in the unnamed movsf pattern.
12077         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
12078         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
12079         ashiftrt pattern.
12080
12081 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12082
12083         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
12084         of tabbing before backslashes.
12085
12086 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12087
12088         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
12089         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
12090         (ASM_OUTPUT_INTERNAL_LABEL): Define.
12091
12092 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12093
12094         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
12095         find_interesting_uses_cond.
12096         (find_interesting_uses_cond): Use extract_cond_operands.
12097         (rewrite_use_compare): Use extract_cond_operands and
12098         force_gimple_operand_bsi.  Do not call update_stmt.
12099         (determine_use_iv_cost_condition): Use extract_cond_operands.
12100         Return cheaper of using original bound and changing the exit bound.
12101
12102 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12103
12104         PR tree-optimization/29516
12105         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
12106         most_expensive_mult_to_index, addr_to_parts,
12107         create_mem_ref, maybe_fold_tmr): Make the type of
12108         fields of TARGET_MEM_REF sizetype.
12109         (move_fixed_address_to_symbol, move_pointer_to_base):
12110         New functions.
12111         * tree.def (TARGET_MEM_REF): Add comment on types of
12112         the operands.
12113
12114 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
12115
12116         * c-common.c (vector_types_convertible_p): Treat opaque types as
12117         always convertible if they have the same size, but not otherwise.
12118
12119 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
12120
12121         * ifcvt.c (struct noce_if_info): Add comments to the fields.
12122         Remove the b_unconditional field.
12123         (noce_try_sign_mask): Do not look at b_unconditional.
12124         (noce_process_if_block): Do not use merge_if_blocks.  Update
12125         the CFG here.  Do not set b_unconditional.
12126         (cond_move_process_if_block): Likewise.
12127         (find_cond_trap): Likewise.
12128         (check_cond_move_block): Require simple jump insns at the end
12129         of the basic block.
12130
12131 2007-01-11  Jan Hubicka  <jh@suse.cz>
12132
12133         PR tree-optimization/1046
12134         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
12135         when alias info is not ready.
12136         (pass_tail_recursion): Do not require aliasing.
12137         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
12138         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
12139         * tree-ssa-copy.c (pass_copy_prop): Likewise.
12140         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
12141         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
12142         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
12143         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
12144         before inlining.
12145         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
12146         When aliasing is not build, mark statement as volatile.
12147
12148 2007-01-11  Tom Tromey  <tromey@redhat.com>
12149
12150         PR preprocessor/15185, PR preprocessor/20989:
12151         * doc/cppopts.texi <-MT>: Update description of algorithm for
12152         computing default target.
12153         <-M, -MD>: Reword "basename" text.
12154
12155 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12156
12157         * builtins.c (expand_builtin_pow, expand_builtin_powi,
12158         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
12159         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12160         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
12161         fold_builtin_bswap, real_constp, fold_builtin_pow,
12162         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
12163         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
12164         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
12165         * convert.c (convert_to_pointer): Likewise.
12166         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12167         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
12168         const_binop, fold_convert_const_int_from_int,
12169         fold_convert_const_int_from_real,
12170         fold_convert_const_real_from_real, sign_bit_p,
12171         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
12172         fold_sign_changed_comparison, fold_unary, fold_comparison,
12173         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
12174         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12175         * print-tree.c (print_node_brief, print_node): Likewise.
12176         * stor-layout.c (place_field, layout_type): Likewise.
12177         * tree-chrec.c (keep_cast): Likewise.
12178         * tree.c (build_vector, build_real, build_real_from_int_cst,
12179         build_complex): Likewise.
12180
12181 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12182
12183         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
12184         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
12185
12186 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
12187
12188         * configure.ac (strict1_warn): Rename to strict_warn.
12189         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
12190         cc_set_by_configure, quoted_cc_set_by_configure,
12191         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12192         all_boot_languages, all_stagestuff): Remove.
12193         (target_list): Remove bootstrap targets.
12194         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12195         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12196         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12197         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12198         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12199         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12200         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12201         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12202         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12203         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12204         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12205         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12206         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12207         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12208         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12209         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12210         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12211         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12212         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12213         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12214         (mostlyclean): Adjust.
12215         (clean, distclean): Don't mention bootstrap stuff.
12216         * configure: Regenerate.
12217         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12218         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12219         treelang/config-lang.in (stagestuff): Remove.
12220         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12221         stageprofile, stagefeedback, stagestuff): Remove mention.
12222
12223 2007-01-11  Nick Clifton  <nickc@redhat.com>
12224
12225         * config/mcore/predicates.md (mcore_general_movesrc_operand):
12226         Accept CONSTs.
12227         (mcore_general_movdst_operand): Do not accept CONST_INTs.
12228         (mcore_arith_K_S_operand): Run the test for the S constraint not
12229         the test for the M constraint.
12230         (mcore_addsub_operand): Do not accept integer values that are
12231         larger than 32 bits.
12232         * config/mcore/mcore.md: Remove unused constraints from split.
12233         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12234         (addsi3): Likewise.
12235         (allocate_stack): Likewise.
12236         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12237         operands to 32 bits.
12238         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12239         INTVAL.
12240         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12241         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12242         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12243         mcore_output_bclri, mcore_output_andn, output_inline_const,
12244         mcore_output_move, mcore_output_movedouble): Likewise.
12245         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12246         (output_inline_const): Likewise.
12247         (output_inline_const): Fix format strings used in sprintf
12248         statements.
12249         * config/mcore/mcore-protos.h: Update prototypes for changed
12250         functions in mcore.c.
12251         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12252         HOST_WIDE_INT and not int.
12253         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12254         CONST_OK_FOR_N): Likewise.
12255         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12256         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12257         an INTVAL.
12258
12259 2007-01-10  Jan Hubicka  <jh@suse.cz>
12260
12261         * tree-vrp.c (remove_range_assertions): Release defs.
12262         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12263         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12264
12265 2007-01-10  Paul Brook  <paul@codesourcery.com>
12266
12267         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12268         * config/arm/arm.md (mulsi3subsi): New insn.
12269
12270 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12271
12272         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12273         (tree_transform_and_unroll_loop): New.
12274         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12275         Declare.
12276
12277 2007-01-10  Robert Kennedy <jimbob@google.com>
12278
12279         * fold-const.c (fold_comparison): Fold comparisons like (x *
12280         1000 < 0) to (x < 0).
12281
12282 2007-01-10  Ian Lance Taylor  <iant@google.com>
12283
12284         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12285         operands have the same priority.
12286
12287 2007-01-10  Tom Tromey  <tromey@redhat.com>
12288
12289         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12290         (fold_binary): Likewise.
12291         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12292         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12293         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12294         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12295         * langhooks.h (struct lang_hooks): Removed field
12296         'can_use_bit_fields_p'.
12297
12298 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12299
12300         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12301
12302 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12303
12304         * function.c (get_last_funcdef_no): New function.
12305         * function.h (get_last_funcdef_no): Declare.
12306         * tree-inline.c (initialize_cfun): Add initialization.
12307         (tree_function_versioning): Cleanup.
12308
12309 2007-01-10  Jan Hubicka  <jh@suse.cz>
12310
12311         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12312         PHIs.
12313
12314 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12315             Ben Elliston  <bje@au.ibm.com>
12316
12317         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12318         for SAVE_NONLOCAL and Pmode for any other save level.
12319         * spu-protos.h (spu_restore_stack_block): Declare.
12320         * spu.md (save_stack_block): Remove.
12321         (restore_stack_block): Call spu_restore_stack_block.
12322         * spu.c (spu_restore_stack_block): New function.
12323         (spu_expand_epilogue): Remove old comment.
12324
12325 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12326
12327         PR tree-optimization/30322
12328         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12329         (cand_value_at): Return the value as aff_tree.
12330         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12331         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12332         aff_combination_mult): New functions.
12333         (aff_combination_add): Use aff_combination_add_cst.
12334         (aff_combination_convert): Allow conversions to a wider type.
12335         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12336         * tree-affine.h (aff_combination_mult): Declare.
12337
12338 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12339
12340         * doc/tm.texi: Update documentation to reflect reality of exec
12341         and start file search behaviours. Update copyright year.
12342         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12343         header file directories.
12344
12345 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12346
12347         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12348         (*cosxf2): Rename to cosxf2_i387.
12349         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12350         using X87MODEF12 mode macro. Rename patterns to
12351         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12352         for SSE math.
12353         (*cosdf2, *cossf2): Ditto.
12354         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12355         to match extended input operands.
12356         (sincos<mode>3): New expander.
12357         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12358         insn patterns and corresponding splitters.
12359
12360 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12361
12362         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12363         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12364
12365 2007-01-09  Nicolas Pitre  <nico@cam.org>
12366
12367         PR target/30173
12368         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12369
12370 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12371
12372         * target.h (struct gcc_target): New field library_rtti_comdat.
12373         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12374         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12375         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12376         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12377
12378 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12379
12380         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12381
12382 2007-01-08  Richard Guenther  <rguenther@suse.de>
12383
12384         * tree.h (force_fit_type_double): Export.
12385         (force_fit_type): Remove.
12386         * fold-const.c (force_fit_type_double): New function.
12387         (force_fit_type): Remove.
12388         (int_const_binop): Use it.
12389         (fold_convert_const_int_from_int): Likewise.
12390         (fold_convert_const_int_from_real): Likewise.
12391         (fold_div_compare): Likewise.
12392         (fold_sign_changed_comparison): Likewise.
12393         (fold_unary): Likewise.
12394         (fold_negate_const): Likewise.
12395         (fold_abs_const): Likewise.
12396         (fold_not_const): Likewise.
12397         * c-common.c (shorten_compare): Use force_fit_type_double.
12398         * convert.c (convert_to_pointer): Likewise.
12399
12400 2007-01-08  Richard Guenther  <rguenther@suse.de>
12401
12402         * tree.h (build_int_cst_wide_type): Export.
12403         * tree.c (build_int_cst_wide_type): New function.
12404         (build_int_cst_wide): Fix comment.
12405         * builtins.c (fold_builtin_object_size): Use build_int_cst
12406         to build -1 or 0 of the correct type.  Use fit_double_type
12407         to check for overflow.
12408         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12409         to build the mask.
12410         (decode_field_reference): Likewise.
12411         (all_ones_mask_p): Likewise.
12412         (native_interpret_int): Use build_int_cst_wide_type.
12413         (fold_binary): Use build_int_cst_type to build an all-ones
12414         value.
12415         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12416
12417 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12418
12419         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12420
12421 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12422
12423         * genautomata.c (STATS_OPTION): New option.
12424         (stats_flag): New flag.
12425         (gen_automata_option): Handle it.
12426         (initiate_automaton_gen): Ditto.
12427         (write_automata): Output statistics only if stats_flag is
12428         set. Likewise, output time statistics only if time_flag is set.
12429         * doc/md.texi (Processor pipeline description): Document new flag.
12430
12431 2007-01-08  Richard Guenther  <rguenther@suse.de>
12432
12433         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12434         * tree.c (build_int_cst_type): Likewise.
12435         (size_in_bytes): Don't call force_fit_type on the result.
12436         (int_fits_type_p): Use fit_double_type.
12437         * fold-const.c (fit_double_type): New function.
12438         (force_fit_type): Use it.
12439         * tree.h (fit_double_type): Export.
12440
12441 2007-01-08  Jan Hubicka  <jh@suse.cz>
12442
12443         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12444         * ipa.c (function_and_variable_visibility): Fix return type.
12445
12446 2007-01-08  Richard Guenther  <rguenther@suse.de>
12447
12448         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12449         of offset to build the index.
12450         * tree-pretty-print.c (dump_generic_node): Don't build negated
12451         const just for printing.
12452         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12453         * builtins.c (fold_builtin_int_roundingfn): Check if result
12454         fits the type by using force_fit_type and comparing the result.
12455         * predict.c (predict_loops): Use compare_tree_int for comparison.
12456         * tree.c (build_int_cst): Fall back to integer_type_node for
12457         NULL_TREE type.
12458         (build_int_cst_wide): Assert type is non-null.
12459
12460 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12461
12462         * tree-vrp.c (extract_range_from_cond_expr): New.
12463         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12464         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12465         as expressions.
12466         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12467         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12468         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12469         used as expressions.
12470         * tree-object-size.c (cond_expr_object_size): New.
12471         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12472
12473 2007-01-08  Jan Hubicka  <jh@suse.cz>
12474
12475         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12476         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12477         statement.
12478
12479 2007-01-08  Richard Guenther  <rguenther@suse.de>
12480
12481         PR tree-optimization/23603
12482         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12483         (extract_range_from_binary): Fall back to truthvalue instead of
12484         varying for TRUTH_*_EXPR.
12485         (extract_range_from_comparison): Fall back to truthvalue instead of
12486         varying.
12487         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12488         if all visited PHI values were constant.
12489
12490 2007-01-08  Jan Hubicka  <jh@suse.cz>
12491
12492         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12493         (cgraph_analyze_function): break out from ...
12494         (cgraph_finalize_compilation_unit): ... here.
12495         (cgraph_expand_function): Remove forgoten commented out line.
12496         (cgraph_optimize): Analyze functions.
12497
12498 2007-01-08  Jan Hubicka  <jh@suse.cz>
12499
12500         * tree-pas.h (TODO_remove_function): New flag.
12501         (TODO_update*): Renumber.
12502         (pass_ipa_increase_alignment,
12503         pass_ipa_function_and_variable_visibility): New passes.
12504         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12505         (cgraph_function_and_variable_visibility): Move to ipa.c
12506         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12507         cgraph_increase_alignment.
12508         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12509         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12510         calling tree-inline.
12511         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12512         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12513         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12514         (gate_increase_alignment): New function.
12515         (pass_ipa_increase_alignment): New pass.
12516         * ipa.c: Inline tree-pass.h and timevar.h
12517         (function_and_variable_visibility): Move here from cgraphunit.c
12518         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12519         * passes.c (init_optimization_passes): Add the two new passes.
12520         (execute_todo): Handle cgraph_remove_functions.
12521
12522 2007-01-08  Nick Clifton  <nickc@redhat.com>
12523
12524         * config/frv/predicates.md (reg_or_0_operand): Accept
12525         CONST_DOUBLEs.
12526
12527 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12528
12529         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12530         * config.gcc: Add bfin*-rtems*.
12531
12532 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12533
12534         * c.opt: Add -flax-vector-conversions.
12535         * c-typeck.c (convert_for_assignment): Pass flag to
12536         vector_types_convertible_p to allow emission of note.
12537         (digest_init): Likewise.
12538         * c-opts.c: Handle -flax-vector-conversions.
12539         * c-common.c (flag_lax_vector_conversions): New.
12540         (vector_types_convertible_p): Unless -flax-vector conversions
12541         has been passed, disallow conversions between vectors with
12542         differing numbers of subparts and/or element types.  If such
12543         a conversion is disallowed, possibly emit a note on the first
12544         occasion only to inform the user of -flax-vector-conversions.
12545         The new last argument specifies this.
12546         * c-common.h (flag_lax_vector_conversions): New.
12547         (vector_types_convertible_p): Add extra argument.
12548         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12549         char_type_node for V*QI type vectors.
12550         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12551         Update to satisfy new typechecking rules.
12552         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12553         C and C++ variants.
12554         * doc/invoke.texi (C Dialect Options): Document
12555         -flax-vector-conversions.
12556
12557 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12558
12559         PR tree-optimization/29877
12560         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12561         a register variable on the RHS to not be replaceable.
12562
12563 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12564         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12565         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12566         const_simm15, const_pow2, const_npow2): Added.
12567         * config/score/misc.md (insv, extv, extzv, movmemsi,
12568         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12569         * config/score/score.c (score_address_cost, score_select_cc_mode):
12570         Added.
12571         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12572         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12573         Update score_print_operand.
12574         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12575         Adjust register allocate order and update some macro define.
12576         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12577         mdx_block_move_straight, mdx_block_move_loop_head,
12578         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12579         mdx_block_move): Added.
12580         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12581         mdp_limm): Updated and fix some bug and typo.
12582         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12583         (movsf, movdf, doloop_end): Added.
12584
12585 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12586
12587         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12588         config/arm/thumb2.md: Fix comment typos.
12589         * doc/extend.texi: Fix a typo.
12590
12591 2007-01-07  Eric Christopher  <echristo@apple.com>
12592
12593         * configure.ac: Check for __stack_chk_fail for darwin.
12594         * configure: Regenerate.
12595
12596 2007-01-07  Richard Guenther  <rguenther@suse.de>
12597
12598         * tree-vrp.c (extract_range_from_assert): CSE calls to
12599         compare_values where possible.
12600         (extract_range_from_unary_expr): Likewise.
12601
12602 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12603
12604         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12605         * config/avr/avr.c (call_insn_operand): Delete function.
12606         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12607         instead of register number. Use predicates.
12608         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12609         call_insn_operand): Add.
12610
12611 2007-01-06  Jan Hubicka  <jh@suse.cz>
12612
12613         * tree-pass.h (pass_build_cgraph_edges): Declare.
12614         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12615         (visited_nodes): Remove.
12616         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12617         build_cgrpah_edges; make visited_nodes local.
12618         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12619         (record_references_in_initializer): Move to cgraphbuild.c
12620         (initialize_inline_failed, rebuild_cgraph_edges,
12621         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12622         (verify_cgraph_node): Make visited_nodes local.
12623         (cgraph_analyze_function): Do not call cgraph_create_edges and
12624         initialize_inline_failed.
12625         (cgraph_expand_function): Do not call cgraph_lower_function;
12626         assert that function is already lowered.
12627         * Makefile.in (cgraphbuild.o): New.
12628         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12629         at the end of lowering passes.
12630
12631 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12632
12633         * ifcvt.c (cond_move_convert_if_block): New function, code
12634         factored out from...
12635         (cond_move_process_if_block): ...here.  Call the new function
12636         on the THEN and ELSE blocks.
12637         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12638         already takes care of this.
12639
12640 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12641
12642         PR c/19978
12643         * tree.h (TREE_OVERFLOW_P): New.
12644         * c-typeck.c (parser_build_unary_op): Warn only if result
12645         overflowed and operands did not.
12646         (parser_build_binary_op): Likewise.
12647         (convert_for_assignment): Remove redundant overflow_warning.
12648         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12649
12650 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12651
12652         * c-typeck.c (store_init_value): Split over two lines to follow
12653         the GNU coding style.
12654
12655 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12656
12657         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12658         __GXX_EXPERIMENTAL_CXX0X__.
12659         * doc/cpp.texi: Same.
12660
12661 2007-01-05  Richard Guenther  <rguenther@suse.de>
12662
12663         PR middle-end/27826
12664         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12665         with mismatched types.  Instead explicitly build a
12666         conversion NOP_EXPR.
12667
12668 2007-01-05  Ian Lance Taylor  <iant@google.com>
12669
12670         * c-common.c (decl_with_nonnull_addr_p): New function.
12671         (c_common_truthvalue_conversion): Call it.
12672         * c-typeck.c (build_binary_op): Likewise.
12673         * c-common.h (decl_with_nonnull_addr_p): Declare.
12674
12675 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12676
12677         PR c/30360
12678         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12679         denom against 0.0.
12680
12681 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12682
12683         * doc/install.texi (Final install): Document the fact that
12684         the GNAT runtime should not be stripped.
12685
12686 2007-01-04  Jan Hubicka  <jh@suse.cz>
12687
12688         * tree-inline.c (fold_marked_statements): Update operand caches
12689         and EH after folding
12690
12691 2007-01-04  Ian Lance Taylor  <iant@google.com>
12692
12693         * c-common.c (check_function_nonnull): Whitespace fix.
12694
12695 2007-01-04  Jan Hubicka  <jh@suse.cz>
12696
12697         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12698         comitted older version of patch.
12699         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12700         function, celanup cfg and collect garbage.
12701
12702 2007-01-04  Mike Stump  <mrs@apple.com>
12703
12704         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12705         (clean): Likewise.
12706
12707 2007-01-04  Eric Christopher  <echristo@apple.com>
12708
12709         * libgcc2.c (__bswapsi2): Use SItype.
12710         (__bswapdi2): Use DItype.
12711         * libgcc2.h: Update for above.
12712
12713 2007-01-04  Paul Brook  <paul@codesourcery.com>
12714
12715         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12716         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12717         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12718         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12719         umulsi3_highpart): Make conditional on !arm_arch6.
12720         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12721         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12722         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12723         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12724         umulsi3_highpart_v6): New insns.
12725
12726 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12727
12728         * fold-const.c (fold_convert): When casting an expression to void,
12729         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12730         have a type.  Instead of attempting to build a NOP_EXPR, return
12731         these "special" trees directly.
12732
12733 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12734
12735         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12736         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12737         rs6000_cost->fp not 0 as adjustment for outer NEG.
12738
12739 2007-01-04  Jan Hubicka  <jh@suse.cz>
12740
12741         * cgraph.c (cgraph_release_function_body): New function.
12742         (cgraph_remove_node): Use it.
12743         * cgraph.h (cgraph_release_function_body): Declare.
12744         * cgraphunit.c (cgraph_expand_function): Use it.
12745         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12746         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12747         is initialized and while compilation of other function is running.
12748         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12749         statement CFG annotations from here to ...
12750         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12751
12752 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12753
12754         * cfgloop.h (enum li_flags): Make the constants powers of two.
12755
12756 2007-01-04  Jan Hubicka  <jh@suse.cz>
12757
12758         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12759         set.
12760         (fold_marked_statements): New function.
12761         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12762         * tree-inline.h (copy_body_data): Add statements_to_fold.
12763
12764 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12765
12766         * config.gcc: Mention libgcc/config.host.
12767         * Makefile.in: Update comments mentioning libgcc.
12768         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12769         (all.cross, start.encap, rest.encap, rest.cross): Update
12770         dependencies for libgcc move.
12771         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12772         (clean-target, clean-target-libgcc): Delete.
12773         (srcdirify, GCC_EXTRA_PARTS): New macros.
12774         (libgcc-support, libgcc.mvars): New rules.
12775         (distclean): Remove mention of mklibgcc.
12776         (install): Don't reference INSTALL_LIBGCC.
12777         (install-common): Don't reference EXTRA_PARTS.
12778         (install-libgcc, install-multilib): Delete rules.
12779         * mklibgcc.in: Delete file.
12780         * doc/configfiles.texi: Don't mention mklibgcc.
12781
12782         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12783         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12784         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12785         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12786         (mklibgcc, ldblspecs): Likewise.
12787
12788         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12789         (posixpre.def): Use $(T).
12790         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12791         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12792         (SHLIB_LINK): Make dummy.
12793         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12794
12795         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12796
12797         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12798         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12799         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12800         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12801
12802         * configure.ac (all_outputs): Remove mklibgcc.
12803         * configure: Regenerated.
12804
12805 2007-01-03  Josh Conner  <jconner@apple.com>
12806
12807         PR middle-end/29683
12808         * calls.c (compute_argument_addresses): Set stack and stack_slot
12809         for partial args, too.
12810         (store_one_arg): Use locate.size.constant for the size when
12811         generating a save_area.
12812
12813 2007-01-03  Robert Kennedy <jimbob@google.com>
12814
12815         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12816         whose definitions are deleted due to basic block merging.
12817
12818 2007-01-03  Paul Brook  <paul@codesourcery.com>
12819
12820         PR target/16634
12821         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12822         functions.
12823         (use_return_insn): Return 0 for Thumb interrupt functions.
12824         (print_multi_reg): Add rfe argument for IRQ returns.
12825         (arm_output_epilogue): Pop interrupt return address directly into PC.
12826         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12827
12828 2007-01-03  Paul Brook  <paul@codesourcery.com>
12829
12830         Merge from sourcerygxx-4_1.
12831         * config/arm/thumb2.md: New file.
12832         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12833         Thumb-2.
12834         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12835         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12836         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12837         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12838         tables.
12839         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12840         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12841         comptibility.
12842         * config/arm/ieee754-sf.S: Ditto.
12843         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12844         (thumb1_base_register_rtx_p): ... to this.
12845         (thumb_index_register_rtx_p): Rename...
12846         (thumb1_index_register_rtx_p): ... to this.
12847         (thumb_output_function_prologue): Rename...
12848         (thumb1_output_function_prologue): ... to this.
12849         (thumb_legitimate_address_p): Rename...
12850         (thumb1_legitimate_address_p): ... to this.
12851         (thumb_rtx_costs): Rename...
12852         (thumb1_rtx_costs): ... to this.
12853         (thumb_compute_save_reg_mask): Rename...
12854         (thumb1_compute_save_reg_mask): ... to this.
12855         (thumb_final_prescan_insn): Rename...
12856         (thumb1_final_prescan_insn): ... to this.
12857         (thumb_expand_epilogue): Rename...
12858         (thumb1_expand_epilogue): ... to this.
12859         (arm_unwind_emit_stm): Rename...
12860         (arm_unwind_emit_sequence): ... to this.
12861         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12862         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12863         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12864         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12865         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12866         thumb2_output_casesi): New functions.
12867         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12868         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12869         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12870         THUMB2_WORK_REGS): Define.
12871         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12872         arm_condexec_mask, arm_condexec_masklen)): New variables.
12873         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12874         (arm_override_options): Check new CPU capabilities.
12875         Set new architecture flag variables.
12876         (arm_isr_value): Handle v7m interrupt functions.
12877         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12878         Thumb-2.
12879         (const_ok_for_arm): Handle Thumb-2 constants.
12880         (arm_gen_constant): Ditto.  Use movw when available.
12881         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12882         functions.
12883         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12884         (thumb_find_work_register, arm_load_pic_register,
12885         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12886         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12887         print_multi_reg, output_mov_long_double_fpa_from_arm,
12888         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12889         output_mov_double_fpa_from_arm, output_move_double,
12890         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12891         output_return_instruction, arm_output_function_prologue,
12892         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12893         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12894         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12895         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12896         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12897         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12898         '!' and 'L'.
12899         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12900         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12901         (arm_file_start): Output directive for unified syntax.
12902         (arm_unwind_emit_set): Handle stack alignment instruction.
12903         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12904         Add v6t2, v7, v7a, v7r and v7m.
12905         (RETLDM): Add Thumb-2 code.
12906         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12907         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12908         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12909         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12910         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12911         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12912         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12913         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12914         ADJUST_INSN_LENGTH): Define.
12915         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12916         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12917         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12918         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12919         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12920         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12921         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12922         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12923         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12924         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12925         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12926         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12927         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12928         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12929         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12930         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12931         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12932         cortex-m3.
12933         * config/arm/arm-tune.md: Regenerate.
12934         * config/arm/arm-protos.h: Update prototypes.
12935         * config/arm/vfp.md: Enable patterns for Thumb-2.
12936         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12937         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12938         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12939         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12940         * config/arm/libunwind.S: Add Thumb-2 code.
12941         * config/arm/constraints.md: Update include Thumb-2.
12942         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12943         * config/arm/ieee754-df.S: Ditto.
12944         * config/arm/bpabi.S: Ditto.
12945         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12946         * config/arm/predicates.md (low_register_operand,
12947         low_reg_or_int_operand, thumb_16bit_operator): New.
12948         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12949         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12950         * config/arm/t-arm-elf: Add armv7 multilib.
12951         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12952         Include thumb2.md.
12953         (UNSPEC_STACK_ALIGN, ce_count): New.
12954         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12955         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12956         insns/expanders.
12957         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12958         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12959         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12960         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12961         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12962         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12963         insns.
12964         * doc/extend.texi: Document ARMv7-M interrupt functions.
12965         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12966
12967 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12968
12969         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12970         (struct _Unwind_Context): Rename args_size to flags, remove
12971         signal_frame field, add a new args_size field and version field.
12972         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12973         _Unwind_IsExtendedContext): New inline functions.
12974         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12975         Assume by_value array is only present if _Unwind_IsExtendedContext.
12976         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12977         _Unwind_IsSignalFrame.
12978         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12979         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12980         (uw_init_context_1): Initialize context->flags to
12981         EXTENDED_CONTEXT_BIT.
12982         * config/rs6000/linux-unwind.h (frob_update_context): Use
12983         _Unwind_SetSignalFrame.
12984
12985 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12986
12987         PR middle-end/30353
12988         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12989         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12990         the value.
12991
12992 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12993
12994         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12995         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12996         RET, AT_SP): Remove.
12997         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12998         instead of RET.
12999
13000         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13001         * cfgbuild.c (find_basic_blocks): Likewise.
13002         * cfgrtl.c (rtl_create_basic_block): Likewise.
13003         * function.c (temp_slots_at_level): Likewise.
13004         * reg-stack.c (stack_regs_mentioned): Likewise.
13005         * regclass.c (allocate_reg_info): Likewise.
13006         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13007         set_bb_for_stmt, move_block_to_fn): Likewise.
13008         * tree-complex.c (tree_lower_complex): Likewise.
13009         * vec.h (VEC_safe_grow_cleared): New.
13010
13011         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
13012
13013 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
13014
13015         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
13016         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
13017         to loop_version.
13018         * cfgloopmanip.c (scale_loop_frequencies): Export.
13019         (loopify): Scale the frequencies by prescribed coefficients.
13020         (set_zero_probability): New function.
13021         (duplicate_loop_to_header_edge): Improve updating of frequencies.
13022         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
13023         and frequencies according to arguments.
13024         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
13025         correctly.
13026         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
13027         * modulo-sched.c (sms_schedule): Set probabilities for entering
13028         versioned loop correctly.
13029         * tree-vect-transform.c (vect_transform_loop): Ditto.
13030         * cfgloop.h (loopify, loop_version): Declaration changed.
13031         (scale_loop_frequencies): Declared.
13032
13033 2007-01-02  Jan Hubicka  <jh@suse.cz>
13034
13035         * cgraph.c: Include tree-flow.h
13036         (cgraph_add_new-function): Handle IPA_SSA mode; execute
13037         early_local_passes.
13038         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
13039         * tree-pass.h (pass_all_early_optimizations): Declare.
13040         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
13041         early_local_passes.
13042         (cgraph_analyze_function): Do early_local_passes.
13043         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13044         Do not add referenced vars.
13045         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
13046         SSA form.
13047         (gate_all_early_local_passes): New gate.
13048         (pass_early_local_passes): Use new gate.
13049         (execute_early_local_optimizations): New functions.
13050         (gate_all_early_optimizations): New gate.
13051         (pass_all_early_optimizations): New pass.
13052         (execute_free_datastructures): Free SSA only when initialized.
13053         (gate_init_datastructures): Init only when optimizing.
13054         (tree_lowering_passes): Do early local passes when called late.
13055         * tree-profile.c (do_tree_profiling): Don't profile functions added
13056         late.
13057         (do_early_tree_profiling, pass_early_tree_profile): Kill.
13058         * tree-cfg.c (update_modified_stmts): Do not update when operands are
13059         not active.
13060         * passes.c (init_optimizations_passes): Reorder so we go into SSA
13061         during early_local_passes.
13062         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
13063
13064
13065 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13066
13067         * Makefile.in: Update copyright year.
13068
13069 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13070
13071         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
13072         in $(lang_checks) and check-consistency targets.
13073
13074 2007-01-02  Jan Hubicka  <jh@suse.cz>
13075
13076         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13077         Do not add referenced vars.
13078         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
13079         are not active.
13080         * passes.c (init_optimization_passes): Put mudflap_2 after
13081         free_datastructures.
13082
13083 2007-01-02  Jan Hubicka  <jh@suse.cz>
13084
13085         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
13086         Set NOTHROW flag on call statements proved to be nothrow.
13087         Update statement of local calls so new pure/const functions are
13088         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
13089         goto receivers.
13090         (tree_rest_of_compilation): Register hooks and initialize bitmap
13091         early. Do not set after_inlining flag.
13092
13093 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
13094
13095         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
13096         HOST_BITS_PER_LONGLONG
13097
13098 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13099
13100         PR c/19977
13101         * c-typeck.c (store_init_value): Don't emit pedantic overflow
13102         warning for non-static initializers.
13103
13104 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
13105
13106         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
13107         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
13108         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
13109         Always use set_unique_reg_note to add REG_EQUAL notes.
13110
13111 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13112
13113         Revert:
13114         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13115
13116         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13117         * cfgbuild.c (find_basic_blocks): Likewise.
13118         * cfgrtl.c (rtl_create_basic_block): Likewise.
13119         * function.c (temp_slots_at_level): Likewise.
13120         * reg-stack.c (stack_regs_mentioned): Likewise.
13121         * regclass.c (allocate_reg_info): Likewise.
13122         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13123         set_bb_for_stmt, move_block_to_fn): Likewise.
13124         * tree-complex.c (tree_lower_complex): Likewise.
13125         * vec.h (VEC_safe_grow_cleared): New.
13126
13127 2007-01-02  Ian Lance Taylor  <iant@google.com>
13128
13129         * c-common.c (c_common_truthvalue_conversion): When warning about
13130         using an assignment as a truth value, set TREE_NO_WARNING.
13131
13132 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13133
13134         PR middle-end/7651
13135         * c.opt (Wold-style-declaration): New.
13136         * doc/invoke.texi (C-only Warning Options): New.
13137         (Wold-style-declaration): Document it.
13138         (Wextra): Enabled by -Wextra.
13139         * c-opts.c (c_common_post_options): Enabled by -Wextra.
13140         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
13141         -Wold-style-declaration.
13142
13143 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13144
13145         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13146         * cfgbuild.c (find_basic_blocks): Likewise.
13147         * cfgrtl.c (rtl_create_basic_block): Likewise.
13148         * function.c (temp_slots_at_level): Likewise.
13149         * reg-stack.c (stack_regs_mentioned): Likewise.
13150         * regclass.c (allocate_reg_info): Likewise.
13151         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13152         set_bb_for_stmt, move_block_to_fn): Likewise.
13153         * tree-complex.c (tree_lower_complex): Likewise.
13154         * vec.h (VEC_safe_grow_cleared): New.
13155
13156 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
13157
13158         * c-common.c (c_common_nodes_and_builtins): Since variants of
13159         void_type_node get built before it is given a name, we need to
13160         give those variants the name, too.
13161         (complete_array_type): We need to work with the canonical main
13162         type of the array, from which we will build the qualified version.
13163         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
13164         * print-tree.c (print_node): Display canonical type information
13165         for each type.
13166         * stor-layout.c (layout_type): When we don't know the
13167         alignment of a type for which we're building an array, we end up
13168         guessing wrong, so make the type require structural equality.
13169         * tree.c (make_node_stat): When we build a new type, it is its
13170         own canonical type.
13171         (build_type_attribute_qual_variant): When building an attribute
13172         variant, its canonical type is the non-attribute variant. However,
13173         if the attributes are target-dependent and they differ, we need to
13174         use structural equality checks for this type.
13175         (build_qualified_type): A qualified type is not equivalent to its
13176         unqualified variant; set the canonical type appropriately.
13177         (build_distinct_type_copy): When building a distinct type from
13178         another type, the new type is its own canonical type.
13179         (build_variant_type_copy): When building a new type variant, we
13180         assume that it is equivalent to the original type.
13181         (build_pointer_type_for_mode): When building a pointer type, also
13182         build a canonical type pointer.
13183         (build_reference_type_for_mode): When building a reference type,
13184         also build a canonical type reference.
13185         (build_index_type): When we can't hash an index type (e.g.,
13186         because its maximum value is negative), the index type requires
13187         structural equality tests.
13188         (build_array_type): Build the canonical form of an array type.
13189         (build_function_type): Function types require structural equality,
13190         because they contain default arguments, attributes, etc.
13191         (build_method_type_directly): Ditto for method types.
13192         (build_offset_type): Build the canonical offset type.
13193         (build_complex_type): Build the canonical vector type.
13194         (make_vector_type): Build the canonical vector type.
13195         * tree.h (TYPE_CANONICAL): New.
13196         (TYPE_STRUCTURAL_EQUALITY_P): New.
13197         (SET_TYPE_STRUCTURAL_EQUALITY): New.
13198         (struct tree_type): Added "canonical" field.
13199         * params.h (VERIFY_CANONICAL_TYPES): New.
13200         * doc/c-tree.texi (TYPE_CANONICAL): Document.
13201         (TYPE_STRUCTURAL_EQUALITY_P): Document.
13202         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13203         * doc/invoke.texi (verify-canonical-types): Document --param
13204         parameter for verifying canonical types.
13205
13206 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13207
13208         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13209         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13210         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13211         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13212         tm_file.
13213         * config/rs6000/e500.h: New.
13214         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13215         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13216         Remove.
13217         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13218         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13219         TARGET_E500_DOUBLE): Remove.
13220         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13221         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13222         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13223         * config/rs6000/rs6000.c (rs6000_override_options): Use
13224         CHECK_E500_OPTIONS.
13225
13226 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13227
13228         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13229         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13230         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13231         rs6000_emit_cmove): Don't check TARGET_E500.
13232         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13233         sordered): Don't check TARGET_E500.
13234
13235 2007-01-01  Eric Christopher  <echristo@apple.com>
13236
13237         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13238         HARD_REGISTER_NUM_P.
13239
13240 2007-01-01  Roger Sayle  <roger@eyesopen.com>
13241
13242         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13243         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13244         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13245         eq/ne Y".
13246
13247 2007-01-01  Mike Stump  <mrs@apple.com>
13248
13249         * configure.ac: Remove support for building with Apple's gcc-3.1.
13250
13251 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13252
13253         PR middle-end/30311
13254         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13255         REG is a hard register.  Do not modify REG before calling
13256         subreg_nregs.
13257         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13258         multiple of the size of YMODE for certain lowpart cases.
13259
13260 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13261
13262         PR middle-end/30253
13263         * gimplify (voidify_wrapper_expr): Update for
13264         GIMPLE_MODIFY_STMT.
13265
13266 2007-01-01  Andreas Schwab  <schwab@suse.de>
13267
13268         PR target/29166
13269         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13270         save of BR0 in extra_spill_size instead of spill_size.
13271         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13272         area.
13273         (ia64_expand_epilogue): Restore BR0 from its new location.
13274
13275 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13276
13277         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13278         Use a temporary variable if the left hand side is not a gimple
13279         register.
13280
13281 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13282
13283         * gimplify.c (gimplify_return_expr): Make the temporary variable
13284         for the return expression, a gimple register variable.
13285
13286 2007-01-01  Jan Hubicka  <jh@suse.cz>
13287
13288         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13289         INSN_LIST.
13290
13291 2007-01-01  Mike Stump  <mrs@apple.com>
13292
13293         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13294         .literal16.
13295         * config/darwin.c (machopic_select_rtx_section): Use
13296         HAVE_GAS_LITERAL16.
13297         (darwin_mergeable_constant_section): Likewise.
13298         * configure: Regenerate.
13299         * config.in: Regenerate.
13300
13301 2007-01-01  Jan Hubicka  <jh@suse.cz>
13302             Andrew Pinski  <pinskia@gmail.com>
13303
13304         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13305         before starting IPA passes.