gcc/ChangeLog

   1 2007-05-16  Eric Christopher  <echristo@apple.com>
   2
   3         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
   4         saving after stack push. Set sp_offset whenever we push.
   5         (rs6000_emit_epilogue): Move altivec register restore before stack push.
   6
   7 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
   8
   9         * configure.ac: Allow sysroots to be relocated under $prefix as
  10         well as $exec_prefix.
  11         * configure: Regenerate.
  12
  13 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
  14
  15         Revert:
  16
  17         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
  18
  19         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
  20         (gcc_tooldir): Likewise.
  21         * configure: Regenerate.
  22         * Makefile.in (libsubdir_to_prefix): New variable, based on the
  23         old configure.ac gcc_tooldir setting.
  24         (prefix_to_exec_prefix): New variable.
  25         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
  26         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
  27
  28 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
  29
  30         * c-typeck.c (build_binary_op): Return early for error.
  31
  32 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
  33
  34         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
  35         struct nb_iter_bound.
  36         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
  37         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
  38         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
  39         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
  40         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
  41         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
  42         (del_scev_info): Use ggc_free.
  43         (scev_initialize): Allocate scalar_evolution_info in gc memory.
  44         * loop-init.c: Include ggc.h.
  45         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
  46         (loop_optimizer_finalize): Use ggc_free.
  47         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
  48         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
  49         pass_iv_optimize): Add TODO_ggc_collect.
  50         * function.h (struct function): Remove skip marker from x_current_loops.
  51         * cfgloop.c: Include ggc.h.
  52         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
  53         memory.
  54         (establish_preds): Vector superloops is gc allocated.
  55         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
  56         loop->exits list.
  57         (flow_loops_find): Vector larray is gc allocated.
  58         (loop_exit_free): Use ggc_free.
  59         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
  60         that head of exits list is now not a part of struct loop.
  61         (record_loop_exits): Allocate exits table in gc memory.
  62         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
  63         head of exits list is now not a part of struct loop.
  64         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
  65         struct loop_exit): Add GTY marker.
  66         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
  67         Add skip marker to aux field.  Make head of exits list a separate
  68         object.
  69         (struct loops): Add GTY marker.  Make larray vector gc allocated.
  70         Add param marker to exits table.
  71         (get_loops): Type changed.
  72         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
  73         dependency.
  74         (cfgloop.o, loop-init.o): Add ggc.h dependency.
  75         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
  76         * basic-block.h (struct basic_block_def): Remove skip marker from
  77         loop_father field.
  78
  79 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
  80
  81         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
  82         of 0 in the call to expand_expr().
  83         (expand_builtin_mathfn_3): Ditto.
  84         (expand_builtin_interclass_mathfn): Ditto.
  85         (expand_builtin_cexpi): Ditto.
  86         (expand_builtin_int_roundingfn): Ditto.
  87         (expand_builtin_int_roundingfn_2): Ditto.
  88         (expand_builtin_pow): Ditto.
  89         (expand_builtin_powi): Ditto.
  90         (expand_builtin_bswap): Ditto.
  91         (expand_builtin_unop): Ditto.
  92         (expand_builtin_fabs): Ditto.
  93         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
  94         the call to expand_expr().
  95         (expand_builtin_sync_operation): Ditto.
  96         (expand_builtin_compare_and_swap): Ditto.
  97         (expand_builtin_lock_test_and_set): Ditto.
  98         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
  99         instead of 0 in the call to expand_expr().
 100         (expand_builtin_extract_return_addr): Ditto.
 101         (expand_builtin_eh_return): Ditto.
 102         (expand_eh_return): Ditto.
 103         * explow.c (expr_size): Ditto.
 104         * expr.c (optimize_bitfield_assignment_op): Ditto.
 105         (expand_assignement): Ditto.
 106         (store_expr): Ditto.
 107         (store_field): Ditto.
 108         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
 109         the call to expand_expr().
 110         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
 111         in the call to expand_expr().
 112         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
 113         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
 114         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
 115         of expand_expr().
 116         * optabs.c (expand_vec_shift_expr): Ditto.
 117         (expand_vec_cond_expr): Ditto.
 118         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
 119         call to expand_expr().
 120         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
 121         in the call to expand_expr().
 122
 123 2007-05-14  Dave Korn  <dave.korn@artimi.com>
 124
 125         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
 126
 127 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
 128
 129         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
 130         instead of c_common_unsigned_type.
 131         (c_common_unsigned_type): Remove.
 132         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
 133         c_common_unsigned_type.
 134         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
 135         c_common_unsigned_type.
 136         * c-common.h (c_common_unsigned_type): Remove.
 137         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
 138         c_common_unsigned_type.
 139         * c-format.c (check_format_types): Use unsigned_type_for instead of
 140         c_common_unsigned_type.
 141         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 142         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
 143         c_common_unsigned_type.
 144         * convert.c (convert_to_integer): Use unsigned_type_for instead of
 145         lang_hooks.types.unsigned_type.
 146         * expmed.c (make_tree): Use unsigned_type_for instead of
 147         lang_hooks.types.unsigned_type.
 148         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
 149         lang_hooks.types.unsigned_type.
 150         (build_range_check): Likewise.
 151         (fold_unary): Likewise.
 152         (fold_binary): Likewise.
 153         (fold_ternary): Likewise.
 154         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
 155         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
 156         * tree.c (get_unsigned_type): New.
 157         (unsigned_type_for): Use get_unsigned_type instead of
 158         lang_hooks.types.unsigned_type.
 159
 160 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
 161
 162         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
 163         to m68k_get_function_kind.  Update its prototype.
 164         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
 165         interrupt_thread.
 166         (m68k_interrupt_function_p): Return enum m68k_function_type
 167         instead of bool.  Rename to m68k_get_function_kind.
 168         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
 169         target is not fido.
 170         (m68k_compute_frame_layout): Don't mark any register for save
 171         if an interrupt_thread attribute is specified.
 172         (m68k_hard_regno_rename_ok): Update a use of
 173         m68k_interrupt_function_p.
 174         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
 175         m68k_interrupt_function_p.
 176         (m68k_function_type): New.
 177         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
 178         for a function with an interrupt_thread attribute.
 179         * doc/extend.texi: Document the interrupt_thread attribute.
 180
 181 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
 182
 183         Fix PR tree-optimization/31911
 184         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
 185         if they didn't change the expression.
 186
 187 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
 188
 189         * tree-scalar-evolution.c (resolve_mixers): Exported.
 190         * tree-scalar-evolution.h (resolve_mixers): Declare.
 191         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
 192         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
 193         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
 194         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
 195         init_array_ref, init_pointer_ref, analyze_indirect_ref,
 196         strip_conversion, analyze_offset_expr, address_analysis,
 197         object_analysis, analyze_offset): Removed.
 198         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
 199         split_constant_offset, canonicalize_base_object_address,
 200         object_address_invariant_in_loop_p, disjoint_objects_p,
 201         dr_may_alias_p, dr_address_invariant_p): New functions.
 202         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
 203         and dr_analyze_alias.
 204         (initialize_data_dependence_relation): Use dr_may_alias_p
 205         and object_address_invariant_in_loop_p.
 206         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
 207         is chrec_dont_know.
 208         (find_data_references_in_stmt): Restrict the analysis of data references
 209         to the given loop nest.
 210         (find_data_references_in_loop): Made static.  Pass loop nest to
 211         find_data_references_in_stmt.
 212         (compute_data_dependences_for_loop): Use DR_VOPS.
 213         (free_data_ref): Free DR_VOPS.
 214         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
 215         (struct innermost_loop_behavior): ... new.
 216         (struct base_object_info): Replaced by ...
 217         (struct indices): ... new.
 218         (struct dr_alias): New.
 219         (enum data_ref_type): Removed.
 220         (struct data_reference): Consist of struct innermost_loop_behavior,
 221         struct indices and struct dr_alias.
 222         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
 223         (DR_MEMTAG): Renamed to ...
 224         (DR_SYMBOL_TAG): ... this.
 225         (find_data_references_in_loop): Declaration removed.
 226         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
 227         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
 228         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
 229         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
 230
 231 2007-05-13  Revital Eres  <eres@il.ibm.com>
 232
 233         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
 234         which walks virtual def-use chains to find redundant stores.
 235         (dse_optimize_stmt): Call it.
 236
 237 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 238
 239         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
 240         * passes.c (init_optimization_passes): Move pass_jump_bypass
 241         after loop2.
 242
 243         * basic-block.h (bb_has_eh_pred): Fix style issue.
 244
 245 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
 246
 247         PR rtl-optimization/31848
 248         * loop-invariant.c (move_invariant_reg): If we move an insn
 249         with a REG_EQUAL note, and that insn is not always executed,
 250         remove the REG_EQUAL note.
 251
 252 2007-05-12  Richard Guenther  <rguenther@suse.de>
 253
 254         PR tree-optimization/31797
 255         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
 256         propagate into a stmt that has volatile ops.
 257
 258 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
 259
 260         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
 261         (gcc_tooldir): Likewise.
 262         * configure: Regenerate.
 263         * Makefile.in (libsubdir_to_prefix): New variable, based on the
 264         old configure.ac gcc_tooldir setting.
 265         (prefix_to_exec_prefix): New variable.
 266         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
 267         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
 268
 269 2007-05-11  Silvius Rus  <rus@google.com>
 270
 271         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
 272         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
 273         * c-common.h (strict_aliasing_warning): Change return type.
 274         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
 275         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
 276         (build_c_cast): Condition call to strict_aliasing_warning.
 277         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
 278         * flags.h (set_Wstrict_aliasing): Declare.
 279         * opts.c (set_Wstrict_alising): Define, add call to.
 280         * tree-flow.h (strict_aliasing_warning_backend): Declare.
 281         * tree-ssa-alias-warnings.c: New file.
 282         * tree-ssa-alias.c (compute_may_aliases): Add call to
 283         strict_aliasing_warning_backend.
 284
 285 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
 286
 287         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
 288         Use loop_depth and loop_outer accessor functions.
 289         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
 290         determine_invariantness_stmt, move_computations_stmt): Ditto.
 291         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
 292         add_loop, loopify, unloop, fix_loop_structure): Ditto.
 293         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
 294         * tree-scalar-evolution.c (interpret_loop_phi,
 295         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
 296         instantiate_parameters_1, scev_const_prop): Ditto.
 297         * cfghooks.c (make_forwarder_block): Ditto.
 298         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
 299         * modulo-sched.c (loop_canon_p): Ditto.
 300         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
 301         slpeel_can_duplicate_loop_p): Ditto.
 302         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
 303         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
 304         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
 305         cancel_loop, verify_loop_structure): Ditto.
 306         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
 307         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
 308         superloops vector instead of "pred" array.
 309         (establish_preds): Take father loop as an argument.  Initialize the
 310         superloops vector.
 311         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
 312         initialize loop->outer.
 313         (flow_loop_tree_node_remove): Truncate the superloops vector.
 314         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
 315         "pred" merged to "superloops" vector.
 316         (loop_depth, loop_outer): New.
 317         (fel_init): Use loop_outer.
 318
 319 2007-05-11  Jan Hubicka  <jh@suse.cz>
 320
 321         * cgraphunit.c: Include gt-cgraphunit.h
 322         (static_ctors, static_dtors): New static vars.
 323         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
 324         based on implementation in c-common.c
 325         (cgraph_finalize_function): Call record_cdtor_fn.
 326         (cgraph_optimize): Call cgraph_build_cdtor_fns.
 327         * decl.c (finish_function): Do not call c_record_cdtor_fn.
 328         (c_write_global_declarations): Do not call c_build_cdtor_fns.
 329         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
 330         build_cdtor, c_build_cdtor_fns): Remove.
 331         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
 332         c_build_cdtor_fns): Remove prototype.
 333
 334 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
 335
 336         PR other/31852
 337         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
 338         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
 339         * builtins.c (fold_builtin_memchr): New.
 340         (expand_builtin_memchr): Call the latter.
 341         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
 342         * doc/extend.texi ([Other built-in functions provided by GCC]):
 343         Document memchr.
 344
 345 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
 346
 347         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
 348         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
 349         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
 350         PFPO_OP1_TYPE_SHIFT): Constants added.
 351         (DFP_ALL): Mode macro defined.
 352         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
 353         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
 354         Insn definitions added.
 355         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
 356         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
 357         Expanders added.
 358
 359 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
 360
 361         PR tree-optimization/31885
 362         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
 363         to be undetermined.
 364         (automatically_generated_chrec_p): Return false for NULL.
 365
 366 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 367
 368         * config/bfin/bfin.h (MOVE_RATIO): Define.
 369
 370 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
 371
 372         * config.gcc (sparc-wrs-vxworks): New target.
 373         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
 374         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
 375         * config/sparc/sparc.h: Include vxworks-dummy.h.
 376         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
 377         include LABEL_REFs too.
 378         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
 379         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
 380         VxWorks.
 381         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
 382         on VxWorks.
 383         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
 384         (sparc_emit_call_insn): New function.
 385         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
 386         functions when generating VxWorks PIC.
 387         * config/sparc/sparc.md (vxworks_load_got): New pattern.
 388         (call, call_value): Use sparc_emit_call_insn instead of
 389         emit_call_insn.
 390
 391 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 392
 393         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
 394
 395 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
 396
 397         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
 398         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
 399         instead of operand_subword.
 400
 401 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
 402
 403         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
 404         * config/bfin/bfin.c (bfin_local_alignment): New function.
 405         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
 406
 407 2007-05-08  Chao-ying Fu  <fu@mips.com>
 408
 409         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
 410         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
 411         (smsub_widen_optab, umsub_widen_optab): Define.
 412         * optabs.c (init_optabs): Initialize smsub_widen_optab and
 413         umsub_widen_optab.
 414         * genopinit.c (optabs): Fill in smsub_widen_optab and
 415         umsub_widen_optab.
 416         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
 417         and umsub_widen_optab to implement multiply-subtract sequences.
 418         * config/mips/mips.md (*msac<u>_di): Rename to...
 419         (<u>msubsidi4): ...this.  Extend condition to include
 420         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
 421         of operand 0 to "ka" and use the three-operand form of msub<u>
 422         for TARGET_DSPR2.
 423         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
 424         to define_expands.
 425
 426 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
 427
 428         PR rtl-optimization/28011
 429         * reload.c (push_reload): Set dont_share if IN appears in OUT
 430         also when IN is a PLUS rtx.
 431         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
 432         are same PLUS rtx.
 433
 434 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
 435
 436         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
 437         call unshare_all_decls.
 438         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
 439         (unshare_all_decls): Remove.
 440
 441 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
 442
 443         PR 31847
 444         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
 445         dumps.
 446
 447 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
 448             Nigel Stephens  <nigel@mips.com>
 449
 450         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
 451         Update comments and all uses.
 452         (MIN_FPRS_PER_FMT): Define.
 453         * config/mips/mips.c (function_arg): Fix to correctly handle
 454         the -mips32r2 -mfp64 -mabi=32 case.
 455         (override_options): Enable use of odd-numbered registers for
 456         SFmode values on MIPS32.
 457         (mips_save_reg_p): Save whole floating-point register pair if
 458         either half is used.
 459         (compute_frame_size): Fix comment.
 460
 461 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
 462
 463         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
 464         argument of type bool.
 465         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
 466         argument. Safely select temporary P register according to it.
 467         (do_link): Change call site of add_to_reg accordingly.
 468         (do_unlink): Add epilogue_p as a fourth argument and pass it
 469         to add_to_reg.
 470         (expand_interrupt_handler_epilogue): Change call of do_unlink
 471         accordingly.
 472         (bfin_expand_prologue): Add a third argument sibcall_p.
 473         * config/bfin/bfin.md (epilogue): Change call of
 474         bfin_expand_epilogue accordingly.
 475         (sibcall_epilogue): Likewise.
 476         (eh_return_internal): Likewise.
 477
 478         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
 479         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
 480         * config/bfin/bfin.c (bfin_handle_option): Handle
 481         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
 482         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
 483         Support bf534, bf536 and bf561.
 484         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
 485
 486 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
 487
 488         PR target/31854
 489         * config/i386/i386.c (ix86_function_regparm): Process local
 490         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
 491
 492 2007-05-07  Mike Stump  <mrs@apple.com>
 493
 494         * doc/invoke.texi (Warning Options): Document that -Wempty-body
 495         also checks for and while statements in C++.
 496
 497 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
 498
 499         * gcc.c (at_file_supplied): New variable.
 500         (main): Set it if we expanded argv.
 501         (do_spec_1): Pass an @-file to the linker if we were called with
 502         an @-file argument and HAVE_GNU_LD.
 503         * collect2.c (at_file_supplied): New variable.
 504         (response_file): New variable.
 505         (collect_exit): Unlink response_file if necessary.
 506         (handler): Likewise.
 507         (do_wait): Likewise.
 508         (main): Set at_file_supplied if we expanded argv.
 509         (collect_execute): Pass an @-file to subprocesses if we were called
 510         with an @-file argument.
 511         * configure.ac: Add define for HAVE_GNU_LD.
 512         * configure: Regenerate.
 513         * config.in: Regenerate.
 514
 515 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
 516
 517         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
 518         operand to HI mode.
 519         (mulsi3): New.
 520         (divsi3): New.
 521         (udivsi3): New.
 522
 523 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
 524
 525         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 526         (TARGET_ENCODE_SECTION_INFO): Re-define.
 527         (m32c_encode_section_info): New
 528         (function_vector_handler): New
 529         (current_function_special_page_vector): New
 530         (m32c_special_page_vector_p): New.
 531         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
 532         Prototype.
 533         * config/m32c/jump.md: Added instruction JSRS for functions
 534         with attribute "function_vector".
 535         * doc/extend.texi (function_vector): Added description
 536         for M16C, M32C targets.
 537
 538 2007-05-07  DJ Delorie  <dj@redhat.com>
 539
 540         PR 31794
 541         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
 542         ashrpsi3, lshrpsi3): Update shift count constraint.
 543
 544 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
 545             Nathan Froyd  <froydnj@codesourcery.com>
 546
 547         PR 22133
 548         * c-incpath.c (add_path): Strip trailing path separators.
 549
 550 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
 551
 552         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
 553         Free dominance info before purging EH edges.
 554         (eliminate_degenerate_phis): Likewise.
 555         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
 556
 557 2007-05-07  Jan Hubicka  <jh@suse.cz>
 558
 559         * gimplify.c (gimplify_expr): Do not crash when folding
 560         (void *)(int)&a + 4.
 561
 562 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 563
 564         PR driver/31694
 565         * c-opts.c (lang_fortran): Make it non static.
 566         * c-common.h (lang_fortran): New prototype.
 567         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
 568         -lang-fortran option was passed by the driver.
 569
 570 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
 571
 572         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
 573         of ASSERT_CHECKING.  Tweak message.
 574
 575 2007-05-06  Revital Eres  <eres@il.ibm.com>
 576
 577         PR 30957
 578         * loop-unroll.c (insert_var_expansion_initialization):
 579         Initialize the expansions with -zero instead of +zero.
 580
 581 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
 582
 583         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
 584         into pic and non-pic versions. Mark r19 as used for
 585         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
 586         for tgd_load, tld_load and tie_load .
 587         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
 588         version of tgd_load, tld_load and tie_load depending on the
 589         value of flag_pic.
 590
 591 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
 592             Jakub Jelinek  <jakub@redhat.com>
 593
 594         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
 595         (__do_global_dtors_aux): Use more paranoid loop to run
 596         destructors if HIDDEN_DTOR_LIST_END.
 597         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
 598
 599 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
 600
 601         * varasm.c (align_variable): Don't increase alignment for
 602         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
 603         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
 604
 605 2007-05-04  Josh Conner  <jconner@apple.com>
 606
 607         * basic-block.h (cdi_direction): Assign values to all enumeration
 608         constants.
 609         (dom_computed): Remove.
 610         (dom_info_state): New.
 611         (set_dom_info_availability): New.
 612         * tree-ssa-loop-im.c (determine_invariantness): Initialize
 613         walk_data.dom_direction.
 614         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
 615         instead of dom_computed[].
 616         (split_edge): Likewise.
 617         (create_basic_block): Likewise.
 618         (merge_blocks): Likewise.
 619         * ifcvt.c (find_if_header): Likewise.
 620         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
 621         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 622         * tree-ssa.c (verify_ssa): Likewise.
 623         * tree-cfg.c (tree_verify_flow_info): Likewise.
 624         (remove_edge_and_dominated_blocks): Likewise.
 625         * dominance.c (dom_computed): Make static.
 626         (calc_dfs_tree_nonrec): Change third param to a bool.
 627         (calc_dfs_tree): Change second param to a bool.
 628         (calc_idioms): Change second param to a bool.  Use
 629         dom_convert_dir_to_idx.
 630         (init_dom_info): Validate dir before using.
 631         (dom_convert_dir_to_idx): New.
 632         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
 633         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
 634         (free_dominance_info): Use dom_convert_dir_to_idx.
 635         (get_immediate_dominator): Likewise.
 636         (set_immediate_dominator): Likewise.
 637         (get_dominated_by): Likewise.
 638         (redirect_immediate_dominators): Likewise.
 639         (nearest_common_denominator): Likewise.
 640         (dominated_by_p): Likewise.
 641         (bb_dom_dfs_in): Likewise.
 642         (bb_dom_dfs_out): Likewise.
 643         (recount_dominator): Likewise.
 644         (iterate_fix_dominators): Likewise.
 645         (add_to_dominance_info): Likewise.
 646         (delete_from_dominance_info): Likewise.
 647         (first_dom_son): Likewise.
 648         (next_dom_son): Likewise.
 649         (dom_info_available_p): Likewise.
 650         (dom_info_state): New.
 651         (set_dom_info_availability): New.
 652
 653 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 654
 655         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
 656         Expander removed.
 657         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
 658
 659 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
 660
 661         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
 662         (subdi3, subdi_carry): Delete.
 663
 664 2007-05-04  Jan Hubicka  <jh@suse.cz>
 665             Richard Guenther  <rguenther@suse.de>
 666
 667         * opts.c (decode_options): Do not fiddle with inlining
 668         parameters in case of optimizing for size.
 669         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
 670         for size do nothing.
 671         (cgraph_decide_inlining_of_small_function): When optimizing for
 672         size never inline functions increasing caller size.
 673         (cgraph_early_inlining): Inline for size when optimizing for size.
 674
 675 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
 676
 677         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
 678         logical operations piecewise.
 679         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
 680         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
 681         subdi_sesidi_di): Delete.
 682         (add_with_carry): Produce carry in CC instead of a DREG to shorten
 683         the generated sequence.  Allow three-reg add in constraints.  Rewrite
 684         the rtl expression for carry to avoid zero_extend of a constant.
 685         (sub_with_carry): New pattern.
 686         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
 687         different sequence not involving jumps.
 688         (notbi): Now a named pattern.
 689
 690 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
 691
 692         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
 693         Add the note about a significant loss of accuracy of some
 694         mathematical routines when these options are used.
 695
 696 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 697
 698         * haifa-sched.c (rtx_vec_t): New typedef.
 699         (contributes_to_priority_p): Extract piece of priority () into new
 700         static function.
 701         (priority): Use the function.  Add assertion.
 702         (rank_for_schedule, set_priorities): Add assertion to check that
 703         insn's priority is initialized.
 704         (clear_priorities, calc_priorities): Change signature.  Make it update
 705         all relevant insns.  Update all callers ('add_to_speculative_block ()'
 706         and 'create_block_check_twin ()').
 707         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
 708         Add new field 'priority_status'.
 709         (INSN_PRIORITY_STATUS): New macro.
 710         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
 711
 712 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 713
 714         * sched-ebb.c (debug_ebb_dependencies): New static function.
 715         (init_ready_list): Use it.
 716
 717         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
 718         with changed signature and 'debug_rgn_dependencies ()'.
 719         (debug_rgn_dependencies): New static function.
 720         (init_ready_list): Use it.
 721
 722         * sched-int.h (debug_dependencies): Declare.
 723
 724 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
 725
 726         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
 727
 728 2007-05-04  Dirk Mueller  <dmueller@suse.de>
 729
 730         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
 731
 732 2007-05-03  Jan Hubicka  <jh@suse.cz>
 733
 734         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
 735         for pointer type in more cases than before.
 736
 737         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
 738
 739         * tree-object-size.c (plus_expr_object_size): When operand size is
 740         unknown, return unknown.
 741
 742 2007-05-03  Dirk Mueller  <dmueller@suse.de>
 743
 744         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
 745
 746         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
 747         options.
 748
 749         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
 750
 751 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
 752
 753         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
 754
 755 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
 756
 757         * config/soft-fp/double.h, config/soft-fp/extended.h,
 758         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
 759         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
 760         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
 761         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
 762         glibc CVS.
 763
 764 2007-05-03  Ian Lance Taylor  <iant@google.com>
 765
 766         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
 767         MASK_PPC_GFXOPT for 8540 or 8548.
 768
 769 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 770
 771         * tree-vect-transform.c (vect_update_inits_of_drs): Use
 772         vect_print_dump_info() to output debug information.
 773
 774 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
 775
 776         PR target/31768
 777         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
 778         operands of size 2 when operand is not MEM_P.
 779
 780 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 781
 782         PR tree-optimization/30565
 783         * lambda-code.c (perfect_nestify): Fix updating of dominators.
 784
 785 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
 786
 787         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
 788         (umulsi3_highpart): Use them.
 789         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
 790         for final accumulator to D regisster tranfser.
 791
 792 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
 793
 794         PR tree-optimization/31699
 795         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
 796         code.
 797         (vect_enhance_data_refs_alignment): Compute peel amount using
 798         TYPE_VECTOR_SUBPARTS instead of vf.
 799         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
 800
 801 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
 802
 803         PR bootstrap/31776
 804         * system.h: Remove inclusion of double-int.h
 805         * tree.h: Include double-int.h
 806         * gengtype.c: Likewise
 807         * cfgloop.h: Likewise
 808         * Makefile.in: Adjust dependencies on double-int.h
 809
 810 2007-05-02  Eric Christopher  <echristo@apple.com>
 811
 812         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
 813         -shared to -Zdynamiclib.
 814
 815 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
 816
 817         PR c++/31663
 818         * c-common.c (strip_pointer_or_array_types): New function.
 819         * c-common.h (strip_pointer_or_array_types): New function declaration.
 820
 821 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
 822
 823         PR tree-optimization/31771
 824         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
 825
 826 2007-05-02  Paul Brook  <paul@codesourcery.com>
 827
 828         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
 829
 830 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 831
 832         PR middle-end/29715
 833         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
 834         transformation.
 835
 836 2007-05-02  Nick Clifton  <nickc@redhat.com>
 837
 838         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
 839
 840 2007-05-02  Richard Guenther  <rguenther@suse.de>
 841
 842         PR tree-optimization/31146
 843         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
 844         argument, single_use_p.  If we have a single use that is
 845         a conversion to the definition rhs type, propagate that rhs.
 846         (forward_propagate_addr_expr): Pass single_use_p argument
 847         to forward_propagate_addr_expr_1.
 848
 849 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 850
 851         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
 852         variable.
 853
 854 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 855
 856         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
 857         'AMD Family 10 core'.
 858
 859 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 860
 861         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
 862         and athlon64-sse3 as improved versions of k8, opteron and athlon64
 863         with SSE3 instruction set support.
 864         * doc/invoke.texi: Likewise.
 865
 866 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
 867
 868         * config/i386/i386.c (override_options): Tuning 32-byte loop
 869         alignment for amdfam10 architecture. Increasing the max loop
 870         alignment to 24 bytes.
 871
 872 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
 873
 874         * config/m68k/constraints.md: New.
 875         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
 876         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
 877         EXTRA_CONSTRAINT): Remove.
 878         * config/m68k/m68k.md: Include constraints.md.
 879         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
 880
 881 2007-05-01  Ian Lance Taylor  <iant@google.com>
 882
 883         PR tree-optimization/31739
 884         * tree-vrp.c (vrp_val_is_max): New static function.
 885         (vrp_val_is_min): New static function.
 886         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
 887         copying the node.
 888         (set_value_range): Use vrp_val_is_{max,min}.
 889         (extract_range_from_assert): Likewise.
 890         (extract_range_from_binary_expr): Likewise.
 891         (extract_range_from_unary_expr): Likewise.
 892         (dump_value_range, vrp_meet): Likewise.
 893         (vrp_visit_phi_node): Likewise.
 894         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
 895
 896 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
 897
 898         * config/i386/gmon-sol2.c (size_t): New type.
 899         (intptr_t): Likewise.
 900         (s_textsize): Declare as size_t.
 901         (sbrk): Declare.
 902         (monstartup): Use size_t for sizes.
 903         (_mcount): Save and restore registers.
 904         (internal_mcount): Pass 0 as the first argument to monstartup
 905         in 64-bit mode.
 906         (moncontrol): Convert pointer to appropriately sized integer
 907         before passing to profil.
 908
 909 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 910
 911         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
 912         __NO_FPRS__, not just if _SOFT_DOUBLE.
 913         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
 914         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
 915         also for E500 double.
 916         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
 917         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
 918         && !TARGET_FPRS).
 919
 920 2007-05-01  Richard Guenther  <rguenther@suse.de>
 921
 922         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
 923         is NULL.
 924
 925 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
 926
 927         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
 928
 929 2007-05-01  Jan Hubicka  <jh@suse.cz>
 930
 931         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
 932         invariant.
 933
 934 2007-05-01  Jan Hubicka  <jh@suse.cz>
 935
 936         * tree.h (maybe_fold_offset_to_component_ref): Remove.
 937         (maybe_fold_offset_to_reference): Declare.
 938         * fold-const.c (fold_unary): Do not fold
 939         (type *)&A into &A->field_of_type_and_offset_0
 940         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
 941         size is unknown, give up.
 942         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
 943         offsets.
 944         (maybe_fold_offset_to_reference): New.
 945         (maybe_fold_stmt_indirect): Use it.
 946         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
 947         * gimplify.c (gimplify_conversion): Canonicalize conversions to
 948         field references.
 949         (gimplify_expr): Likewise for plus_expr.
 950
 951 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
 952
 953         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
 954         bsi_after_labels.  Always insert statements before bsi.
 955         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
 956         * predict.c (apply_return_prediction): Check for empty blocks.
 957         * cfgexpand.c (lab_rtx_for_bb): New variable.
 958         (label_rtx_for_bb): Do not create new tree labels.
 959         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
 960         (tree_expand_cfg): Initialize lab_rtx_for_bb.
 961         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
 962         creating edges.
 963         (label_for_bb): Add field used.
 964         (update_eh_label, main_block_label): Mark the label used.
 965         (cleanup_dead_labels): Remove unused labels.
 966
 967 2007-05-01  Richard Guenther  <rguenther@suse.de>
 968
 969         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
 970         if it is not about to be set.
 971         (get_value_range): Do not pre-allocate equiv bitmap.
 972         (update_value_range): No need to clear equiv field.
 973         (add_equivalence): Change prototype to get bitmap pointer.
 974         Allocate bitmap here if it is not already.
 975         (extract_range_from_assert): Do not allocate bitmap here.
 976         Update callers to add_equivalence.
 977         (extract_range_from_ssa_name): Likewise.
 978         (get_vr_for_comparison): New static helper.
 979         (compare_name_with_value): Handle NULL equiv bitmap by
 980         peeling the first iteration of the comparison loop.
 981         Use get_vr_for_comparison.
 982         (compare_names): Handle NULL equiv bitmaps by using fake
 983         ones.  Use get_vr_for_comparison.
 984
 985 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
 986
 987         * double-int.c (mpz_set_double_int): Moved from
 988         tree-ssa-loop-niter.c.
 989         (mpz_get_double_int): Likewise; also, add option to wrap
 990         out-of-range integers.
 991         * double-int.h: New prototypes for above.
 992         * tree.c (get_static_type_bounds): Moved from
 993         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
 994         TYPE_MAX_VALUE if they exist..
 995         * tree.h: New prototype for above.
 996         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
 997         get_type_bounds calls.
 998         (mpz_set_double_int): Move to double-int.c.
 999         (get_type_bounds): Move to tree.c, rename to
1000         get_static_type_bounds.
1001         (mpz_to_double_int): Move to double-int.c, rename to
1002         mpz_get_double_int.
1003
1004 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
1005
1006         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
1007         DIV0 exception can fall through to a normal return.
1008
1009 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
1010
1011         PR middle-end/22156
1012         Temporarily revert:
1013         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1014         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1015         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1016         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1017         initialize align to silence bogus warning.
1018         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1019         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1020         all_no_warning.
1021         (struct sra_walk_fns): Remove use_all parameter from use.
1022         (sra_hash_tree): Handle BIT_FIELD_REFs.
1023         (sra_elt_hash): Don't hash bitfld blocks.
1024         (sra_elt_eq): Skip them in parent compares as well.  Handle
1025         BIT_FIELD_REFs.
1026         (sra_walk_expr): Don't maintain or pass down use_all_p.
1027         (scan_use): Remove use_all parameter.
1028         (scalarize_use): Likewise.  Re-expand assignment to
1029         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1030         output, and re-scalarize after output.  Don't mark anything
1031         for no warning.
1032         (scalarize_ldst): Adjust.
1033         (scalarize_walk_gimple_modify_statement): Likewise.
1034         (build_element_name_1): Handle BIT_FIELD_REFs.
1035         (instantiate_element): Don't warn for any element whose parent
1036         is used as a whole.
1037         (instantiate_missing_elements_1): Return the sra_elt.
1038         (canon_type_for_field): New.
1039         (try_instantiate_multiple_fields): New.
1040         (instantiate_missing_elemnts): Use them.
1041         (mark_no_warning): Removed.
1042         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1043         (REPLDUP, sra_build_elt_assignment): New.
1044         (generate_copy_inout): Use them.
1045         (generate_element_copy): Likewise.  Handle bitfld differences.
1046         (generate_element_zero): Don't recurse for blocks.  Use
1047         sra_build_elt_assignment.
1048         (generate_one_element_int): Take elt instead of var.  Use
1049         sra_build_elt_assignment.
1050         (generate_element_init_1): Adjust.
1051         (scalarize_use, scalarize_copy): Use REPLDUP.
1052         (scalarize_ldst): Move assert before dereference.
1053         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1054
1055 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1056
1057         PR C++/31721
1058         * tree.c (reconstruct_complex_type): Reconstruct a reference
1059         correctly.
1060         Also use the same mode for the pointer as the old pointer type.
1061
1062 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1063
1064         * doc/trouble.texi (Interoperation): Remove note about Ultrix
1065         Fortran compiler.
1066
1067 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
1068
1069         PR rtl-optimization/31676
1070         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
1071         (df_refs_record): Call it.
1072
1073 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
1074
1075         * rtl.def (SS_ABS): New code.
1076         * config/bfin/bfin.c (print_operand): New modifier 'v'.
1077         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
1078         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
1079         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
1080         (bfin_init_builtins): Define them.
1081         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
1082         (bfin_expand_builtin): ... and handle the others here.
1083         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
1084         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
1085         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
1086         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
1087         operand is only HImode.
1088
1089 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
1090
1091         * regclass.c (scan_one_insn): Remove splitting of
1092         two address insns.
1093
1094 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
1095             Nigel Stephens  <nigel@mips.com>
1096
1097         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
1098
1099 2007-04-28  Jan Hubicka  <jh@suse.cz>
1100
1101         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
1102         insn_locators_alloc instead of insn_locators_initialize;
1103         call reset_block_changes.
1104         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1105         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
1106         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
1107         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1108         * config/score/score.c (th_output_mi_thunk): Likewise.
1109         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1110         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
1111         tolerate uninitialized locator info.
1112
1113         Re-apply:
1114         * function.c (init_function_start): Don't init line number info.
1115         (expand_function_end): Update.
1116         (reset_block_changes, record_block_change, finalize_block_changes,
1117         check_block_change, free_block_changes): Kill.
1118         * function.h (reset_block_changes, record_block_change,
1119         finalize_block_changes, check_block_change, free_block_changes): Remove
1120         prototypes.
1121         (struct function): Remove ib_boundaries_block.
1122         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1123         Use curr_insn_locator to initialize locator.
1124         (emit_line_note): Remove.
1125         * cfgexpand.c (expand_gimple_cond_expr): Update.
1126         (construct_exit_block): Likewise.
1127         (tree_expand_cfg): Initialize/finalize locators.
1128         * expr.c (expand_expr_real): Update.
1129         * cfglayout.c (line_locators_locs, line_locators_lines,
1130         file_locators_locs, file_locators_files): Remove.
1131         (set_block_levels): Move to cfgexpand.c.
1132         (insn_locators_initialize): Remove.
1133         (pass_insn_locators_initialize): Remove.
1134         (locations_locators_locs, locations_locators_vals): New static vars.
1135         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1136         Likewise.
1137         (insn_locators_alloc, insn_locators_finalize,
1138         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1139         New functions.
1140         (locator_location): New.
1141         (locator_line, locator_file): Rewrite.
1142         * rtl.h (emit_line_note): Kill.
1143         (insn_locators_alloc, insn_locators_finalize,
1144         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1145         Declare.
1146         * tree-inline.c (initialize_cfun): Do not initialize
1147         ib_boundaries_block.
1148         * passes.c (pass_insn_locators_initialize): Remove.
1149
1150 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
1151
1152         * tree-cfg.c (move_block_to_fn): Release bb from dominance
1153         info.  Update last_basic_block correctly.
1154
1155 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1156
1157         PR target/31701
1158         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
1159         register itself to hold the offset constant.  Tell flow the use
1160         of r4 and r5 when they are used.
1161
1162 2007-04-27  Richard Guenther  <rguenther@suse.de>
1163
1164         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
1165         if we simplified anything.
1166         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
1167         warnings until we did a simplification and the stmt was not
1168         marked as TREE_NO_WARNING.
1169
1170 2007-04-27  Mike Stump  <mrs@apple.com>
1171
1172         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
1173
1174 2007-04-27  Ian Lance Taylor  <iant@google.com>
1175
1176         PR middle-end/31710
1177         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
1178         TYPE_MAX_VALUE exist, convert them to the new type.
1179
1180 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1181
1182         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
1183         if it claims to be available.
1184         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1185         edge is redirected.
1186         (perform_tree_ssa_dce): Always free postdominators.
1187
1188 2007-04-27  Richard Henderson  <rth@redhat.com>
1189
1190         * config/alpha/predicates.md (aligned_memory_operand): Mark
1191         as define_special_predicate.
1192         (unaligned_memory_operand, normal_memory_operand): Likewise.
1193         (reg_or_unaligned_mem_operand): Remove.
1194         (any_memory_operand): Match the documentation and check for
1195         non-renumbered pseudos during reload.
1196         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1197         alpha_secondary_reload_class, update to new interface, make static.
1198         Handle CQImode like HImode.  Remove FP subreg check.
1199         (alpha_expand_mov): Use replace_equiv_address.
1200         (alpha_expand_mov_nobwx): Use any_memory_operand.
1201         (TARGET_SECONDARY_RELOAD): New.
1202         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1203         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1204         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1205         * config/alpha/alpha.md: ... here.
1206         (RELOAD12, reloadmode): New.
1207         (movcqi): New.
1208         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1209         Don't handle the aligned case here.
1210         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1211         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1212         reload_inhi_help.  Don't expect a scratch register.
1213         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1214         reload_outhi_help.
1215         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1216
1217 2007-04-27  Richard Guenther  <rguenther@suse.de>
1218
1219         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1220
1221 2007-04-27  Richard Guenther  <rguenther@suse.de>
1222
1223         PR tree-optimization/30965
1224         PR tree-optimization/30978
1225         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1226         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1227         (find_equivalent_equality_comparison): Likewise.
1228         (simplify_cond): Likewise.
1229         (get_prop_source_stmt): New helper.
1230         (get_prop_dest_stmt): Likewise.
1231         (can_propagate_from): Likewise.
1232         (remove_prop_source_from_use): Likewise.
1233         (combine_cond_expr_cond): Likewise.
1234         (forward_propagate_comparison): New function.
1235         (forward_propagate_into_cond): Rewrite to use fold for
1236         tree combining.
1237         (tree_ssa_forward_propagate_single_use_vars): Call
1238         forward_propagate_comparison to propagate comparisons.
1239
1240 2007-04-27  Richard Guenther  <rguenther@suse.de>
1241
1242         PR tree-optimization/31715
1243         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1244         sure to do computation on the offset in an appropriate
1245         signed type.
1246
1247 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
1248
1249         * reload.h (elimination_target_reg_p): Declare.
1250         * reload.c (find_reloads): Don't apply the reg_rtx move
1251         optimization if the SET_DEST satisfies elimination_target_reg_p.
1252         * reload1.c (elimination_target_reg_p): New function.
1253         (gen_reload): In the move/add2 fallback, make sure that op0
1254         does not overlap the destination register.
1255
1256 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1257
1258         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1259         transform only GIMPLE_MODIFY_STMTs.
1260         * tree-complex.c (expand_complex_operations_1): Ditto.
1261         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1262         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1263         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1264         branches.
1265         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1266         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1267         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1268         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1269         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1270         slpeel_add_loop_guard): Ditto.
1271         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1272         * lambda-code.c (perfect_nestify): Ditto.
1273         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1274         before the first statement.
1275         * tree-optimize.c (execute_free_datastructures): Fix comments.
1276         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1277         * tree-flow.h (disband_implicit_edges): Declaration removed.
1278         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1279         branches.
1280         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1281         without gotos.
1282         (disband_implicit_edges, has_label_p): Removed.
1283         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1284         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1285         branches.
1286         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1287         side effects.
1288         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1289         also for COND_EXPRs.
1290         * cfgexpand.c (label_rtx_for_bb): New function.
1291         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1292         Use label_rtx_for_bb to find the labels.
1293         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1294         last block.  Detect fallthru edges.
1295
1296 2007-04-26  Ian Lance Taylor  <iant@google.com>
1297
1298         PR target/28675
1299         * reload.c (find_reloads_subreg_address): If the address was valid
1300         in the original mode but not in the new mode, reload the whole
1301         address.
1302
1303 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1304
1305         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1306         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1307         (cleanup_control_expr_graph): Do not invalidate dominance info.
1308         Record altered blocks.
1309         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1310         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1311         cleanup_tree_cfg_bb): New functions.
1312         (remove_forwarder_block): Do not maintain the worklist of blocks.
1313         Record altered blocks.
1314         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1315         not over whole cfg.
1316         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1317         delete_unreachable_blocks if dominators are not available.
1318         * tree-inline.c (optimize_inline_calls): Free dominance information
1319         earlier.
1320         * tree-flow.h (remove_edge_and_dominated_blocks,
1321         cfgcleanup_altered_bbs): Altered.
1322         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1323         blocks.
1324         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1325         functions.
1326         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1327         do not invalidate dominators.
1328
1329 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1330
1331         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1332         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1333         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1334         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1335
1336 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1337
1338         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1339
1340 2007-04-26  Richard Guenther  <rguenther@suse.de>
1341
1342         PR tree-optimization/31703
1343         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1344         the right type for the target of the bittest.
1345
1346 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1347
1348         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1349         ix86_sol10_return_in_memory.
1350
1351 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1352
1353         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1354         variables.
1355
1356 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR c++/31598
1359         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1360
1361         PR tree-optimization/30558
1362         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1363         clear this_state.prev_try.
1364
1365 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1366             Mark Mitchell  <mark@codesourcery.com>
1367
1368         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1369         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1370         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1371
1372 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1373
1374         PR driver/31107
1375         * doc/invoke.texi (%:print-asm-header): Document.
1376         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1377         and -ftarget-help.
1378         (static_spec_functions): Add print-asm-header.
1379         (main): Print a banner before the --target-help linker options.
1380         (print_asm_header_spec_function): New function.
1381
1382 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1383
1384         PR target/31403
1385         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1386         (movsf_ie): Likewise.
1387
1388 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1389
1390         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1391
1392 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1393
1394         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1395         for divide-by-zero.
1396         (__umodsi3, __modsi3): Likewise.
1397
1398 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1399
1400         * c-typeck.c (build_compound_expr): Annotate warning()
1401         call with OPT_Wunused_value.
1402         * tree-ssa.c (warn_uninit): Annotate warning with
1403         OPT_Wunintialized.
1404         * c-common.c (handle_sentinel_attribute): Annotate warning
1405         call with OPT_Wattributes.
1406
1407 2007-04-25  Thiemo Seufer  <ths@mips.com>
1408
1409         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1410         (mips16): Fix typo.
1411         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1412         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1413         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1414         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1415         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1416         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1417
1418 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1419
1420         PR target/31680
1421         * config/i386/winnt.c (i386_pe_file_end): Strip only
1422         USER_LABEL_PREFIX when writing export name.
1423
1424 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1425
1426         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1427         sh/elf.h, vx-common.h and vxworks.h.
1428         * config/sh/sh.h: Include config/vxworks-dummy.h.
1429         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1430         (OVERRIDE_OPTIONS): Use it.
1431         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1432         (vxworks_picreg): New pattern.
1433         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1434         VXWORKS_OS_CPP_BUILTINS.
1435         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1436         to their VXWORKS_* equivalents.
1437         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1438         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1439         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1440         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1441         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1442         -mrtp/-fPIC multilibs.
1443         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1444         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1445         (MULTILIB_OSDIRNAMES): Delete.
1446
1447 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1448
1449         PR target/18989
1450         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1451
1452 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1453
1454         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1455         rounding mode to be specified by the caller.
1456         (real_to_mpfr) Likewise.
1457         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1458         include new arguments.
1459         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1460
1461 2007-04-24  Ian Lance Taylor  <iant@google.com>
1462
1463         PR tree-optimization/31605
1464         * tree-vrp.c (set_value_range): Check that min and max are not
1465         both overflow infinities.
1466         (set_value_range_to_value): New static function.
1467         (extract_range_from_binary_expr): Call set_value_range_to_value.
1468         (extract_range_from_cond_expr): Likewise.
1469         (extract_range_from_expr): Likewise.
1470         (extract_range_from_unary_expr): Likewise.  Don't create a range
1471         which overflows on both sides.
1472         (vrp_meet): Check for a useless range.
1473         (vrp_visit_phi_node): If we see a constant which looks like an
1474         overflow infinity, turn off the TREE_OVERFLOW flag.
1475
1476 2007-04-24  Ian Lance Taylor  <iant@google.com>
1477
1478         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1479
1480 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1481
1482         PR diagnostic/25923
1483         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1484         diagnostic message is being built.
1485         * tree-pretty-print.c (dump_generic_node): Only write the
1486         formatted text into BUFFER's stream if we are not building a
1487         diagnostic message.
1488         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1489         dump_generic_node.
1490         * Makefile.in (toplev.o): Depend on tree-pass.h.
1491
1492 2007-04-24  Ian Lance Taylor  <iant@google.com>
1493
1494         PR tree-optimization/31602
1495         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1496         conditionals in the copied loop header.
1497         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1498         warnings if TREE_NO_WARNING is set.
1499         * doc/invoke.texi (Warning Options): Clarify that
1500         -Wstrict-overflow does not warn about loops.
1501
1502 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1503
1504         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1505         expand on the comment about _Decimal128 arguments and check the
1506         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1507         that _Decimal128 argument uses even/odd register pair.
1508         (function_arg): Ditto.
1509
1510 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1511
1512         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1513         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1514
1515 2007-04-24  Richard Guenther  <rguenther@suse.de>
1516             Olga Golovanevsky  <olga@il.ibm.com>
1517
1518         * fold-const.c (multiple_of_p): Check for bottom
1519         to be zero.
1520
1521 2007-04-24  Richard Henderson  <rth@redhat.com>
1522
1523         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1524         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1525         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1526         looking for non-zero bits shifted out.  Avoid a recursive call
1527         when constructing the scalar.
1528         (__floatundisf): Likewise.
1529
1530 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1531
1532         * dwarf2out.c (field_byte_offset): Move the existing logic
1533         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1534         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1535
1536 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1537
1538         PR target/31641
1539         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1540         argument of 0 for memset.
1541         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1542         unsigned shift instead of the signed variant.
1543
1544 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1545
1546         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1547         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1548         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1549         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1550         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1551         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1552         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1553         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1554         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1555         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1556         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1557         "mul<mode>3", "div<mode>3"): Insn definitions added.
1558         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1559         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1560         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1561         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1562         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1563         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1564         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1565         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1566         TARGET_FLOAT_FORMAT): Macro definitions removed.
1567         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1568         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1569         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1570         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1571         (s390_gen_rtx_const_DI): Function removed.
1572         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1573
1574 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1575
1576         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1577         over an external ffs function.
1578
1579 2007-04-24  Chao-ying Fu  <fu@mips.com>
1580             Richard Sandiford  <richard@nildram.co.uk>
1581
1582         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1583         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1584         (smadd_widen_optab, umadd_widen_optab): Define.
1585         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1586         umadd_widen_optab.
1587         * genopinit.c (optabs): Fill in smadd_widen_optab and
1588         umadd_widen_optab.
1589         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1590         and umadd_widen_optab to implement multiply-add sequences.
1591         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1592         (<u>maddsidi4): ...this.  Extend condition to include
1593         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1594         of operand 0 to "ka" and use the three-operand form of madd<u>
1595         for TARGET_DSPR2.
1596         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1597         to define_expands.
1598         * config/mips/constraints.md (ka): New register constraint.
1599
1600 2007-04-24  Jan Hubicka  <j@suse.cz>
1601
1602         Revert:
1603
1604         2007-04-23  Jan Hubicka  <jh@suse.cz>
1605         * function.c (init_function_start): Don't init line number info.
1606         (expand_function_end): Update.
1607         (reset_block_changes, record_block_change, finalize_block_changes,
1608         check_block_change, free_block_changes): Kill.
1609         * function.h (reset_block_changes, record_block_change,
1610         finalize_block_changes, check_block_change, free_block_changes): Remove
1611         prototypes.
1612         (struct function): Remove ib_boundaries_block.
1613         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1614         Use curr_insn_locator to initialize locator.
1615         (emit_line_note): Remove.
1616         * cfgexpand.c (expand_gimple_cond_expr): Update.
1617         (construct_exit_block): Likewise.
1618         (tree_expand_cfg): Initialize/finalize locators.
1619         * expr.c (expand_expr_real): Update.
1620         * cfglayout.c (line_locators_locs, line_locators_lines,
1621         file_locators_locs, file_locators_files): Remove.
1622         (set_block_levels): Move to cfgexpand.c.
1623         (insn_locators_initialize): Remove.
1624         (pass_insn_locators_initialize): Remove.
1625         (locations_locators_locs, locations_locators_vals): New static vars.
1626         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1627         Likewise.
1628         (insn_locators_alloc, insn_locators_finalize,
1629         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1630         New functions.
1631         (locator_location): New.
1632         (locator_line, locator_file): Rewrite.
1633         * rtl.h (emit_line_note): Kill.
1634         (insn_locators_alloc, insn_locators_finalize,
1635         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1636         Declare.
1637         * tree-inline.c (initialize_cfun): Do not initialize
1638         ib_boundaries_block.
1639         * passes.c (pass_insn_locators_initialize): Remove.
1640
1641 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1642
1643         * doc/invoke.texi: Removed leading '-' from option index entries.
1644
1645 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1646
1647         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1648         Use phi_nodes_ptr.
1649         (create_phi_node): Use set_phi_nodes.
1650         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1651         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1652         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1653         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1654         (bsi_start, bsi_last): Use bb_stmt_list.
1655         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1656         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1657         Traverse the statements using tsi iterator.
1658         * basic-block.h (struct basic_block_def): Fields stmt_list
1659         and phi_nodes moved to ...
1660         (struct tree_bb_info): ... new structure.
1661         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1662         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1663         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1664         (tree_verify_flow_info): Verify that il.tree is not set for
1665         entry and exit block.
1666         (tree_split_block): Use set_bb_stmt_list.
1667
1668 2007-04-23  Mike Stump  <mrs@apple.com>
1669
1670         * config/i386/i386.c (ix86_tune_features
1671         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1672         nocona and core2.
1673
1674 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         * config/i386/i386.md (prefix_extra): New attribute.
1677         (length): Add prefix_extra.
1678
1679         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1680         (sse2_movntv2di): Likewise.
1681         (sse2_cvtps2dq): Likewise.
1682         (sse2_cvtpd2pi): Likewise.
1683         (sse2_cvttpd2pi): Likewise.
1684         (*sse2_cvtpd2ps): Likewise.
1685         (*add<mode>3): Likewise.
1686         (sse2_ssadd<mode>3): Likewise.
1687         (sse2_usadd<mode>3): Likewise.
1688         (*sub<mode>3): Likewise.
1689         (sse2_sssub<mode>3): Likewise.
1690         (sse2_ussub<mode>3): Likewise.
1691         (*mulv8hi3): Likewise.
1692         (*smulv8hi3_highpart): Likewise.
1693         (*umulv8hi3_highpart): Likewise.
1694         (sse2_umulv2siv2di3): Likewise.
1695         (sse2_pmaddwd): Likewise.
1696         (ashr<mode>3): Likewise.
1697         (lshr<mode>3): Likewise.
1698         (ashl<mode>3): Likewise.
1699         (sse2_ashlti3): Likewise.
1700         (sse2_lshrti3): Likewise.
1701         (*umaxv16qi3): Likewise.
1702         (*smaxv8hi3): Likewise.
1703         (*uminv16qi3): Likewise.
1704         (*sminv8hi3): Likewise.
1705         (sse2_eq<mode>3): Likewise.
1706         (sse2_gt<mode>3): Likewise.
1707         (*and<mode>3): Likewise.
1708         (sse2_nand<mode>3): Likewise.
1709         (*ior<mode>3): Likewise.
1710         (*xor<mode>3): Likewise.
1711         (sse2_packsswb): Likewise.
1712         (sse2_packssdw): Likewise.
1713         (sse2_packuswb): Likewise.
1714         (sse2_punpckhbw): Likewise.
1715         (sse2_punpcklbw): Likewise.
1716         (sse2_punpckhwd): Likewise.
1717         (sse2_punpcklwd): Likewise.
1718         (sse2_punpckhdq): Likewise.
1719         (sse2_punpckldq): Likewise.
1720         (sse2_punpckhqdq): Likewise.
1721         (sse2_punpcklqdq): Likewise.
1722         (*sse2_pinsrw): Likewise.
1723         (*sse2_pextrw): Likewise.
1724         (sse2_pshufd_1): Likewise.
1725         (sse2_uavgv16qi3): Likewise.
1726         (sse2_uavgv8hi3): Likewise.
1727         (sse2_psadbw): Likewise.
1728         (sse2_pmovmskb): Likewise.
1729         (*sse2_maskmovdqu): Likewise.
1730         (*sse2_maskmovdqu_rex64): Likewise.
1731         (sse4a_extrqi): Likewise.
1732         (sse4a_extrq): Likewise.
1733         (sse3_lddqu): Set prefix_rep.
1734         (sse3_addsubv4sf3): Likewise.
1735         (sse3_haddv4sf3): Likewise.
1736         (sse3_hsubv4sf3): Likewise.
1737         (sse_cvtss2si): Likewise.
1738         (sse_cvtss2si_2): Likewise.
1739         (sse_cvtss2siq): Likewise.
1740         (sse_cvtss2siq_2): Likewise.
1741         (sse_cvttss2si): Likewise.
1742         (sse_cvttss2siq): Likewise.
1743         (sse2_cvttps2dq): Likewise.
1744         (sse3_movshdup): Likewise.
1745         (sse3_movsldup): Likewise.
1746         (sse2_cvtsd2si): Likewise.
1747         (sse2_cvtsd2si_2): Likewise.
1748         (sse2_cvtsd2siq): Likewise.
1749         (sse2_cvtsd2siq_2): Likewise.
1750         (sse2_cvttsd2si): Likewise.
1751         (sse2_cvttsd2siq): Likewise.
1752         (*sse2_cvtpd2dq): Likewise.
1753         (*sse2_cvttpd2dq): Likewise.
1754         (sse2_pshuflw_1): Likewise.
1755         (sse2_pshufhw_1): Likewise.
1756         (sse4a_insertqi): Likewise.
1757         (sse4a_insertq): Likewise.
1758         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1759         (ssse3_phadddv4si3): Likewise.
1760         (ssse3_phaddswv8hi3): Likewise.
1761         (ssse3_phsubwv8hi3): Likewise.
1762         (ssse3_phsubdv4si3): Likewise.
1763         (ssse3_phsubswv8hi3): Likewise.
1764         (ssse3_pmaddubswv8hi3): Likewise.
1765         (ssse3_pmulhrswv8hi3): Likewise.
1766         (ssse3_pshufbv16qi3): Likewise.
1767         (ssse3_psign<mode>3): Likewise.
1768         (ssse3_palignrti): Likewise.
1769         (abs<mode>2): Likewise.
1770         (ssse3_phaddwv4hi3): Set prefix_extra.
1771         (ssse3_phadddv2si3): Likewise.
1772         (ssse3_phaddswv4hi3): Likewise.
1773         (ssse3_phsubwv4hi3): Likewise.
1774         (ssse3_phsubdv2si3): Likewise.
1775         (ssse3_phsubswv4hi3): Likewise.
1776         (ssse3_pmaddubswv4hi3): Likewise.
1777         (ssse3_pmulhrswv4hi3): Likewise.
1778         (ssse3_pshufbv8qi3): Likewise.
1779         (ssse3_psign<mode>3): Likewise.
1780         (ssse3_palignrdi): Likewise.
1781         (abs<mode>2): Likewise.
1782         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1783         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1784         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1785
1786 2007-04-23  Nick Clifton  <nickc@redhat.com>
1787
1788         * params.def: Fix formatting of emacs local variables.
1789
1790 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1791
1792         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1793         move if inter-unit move isn't allowed.
1794         Don't split moving the first element of V2DI to DI to inter-unit
1795         move if inter-unit move isn't allowed.
1796
1797 2007-04-23  Richard Guenther  <rguenther@suse.de>
1798
1799         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1800         and CDI_POST_DOMINATORS separately.
1801
1802 2007-04-23  Nick Clifton  <nickc@redhat.com>
1803
1804         * c.opt (Wformat-contains-nul): Add warning attribute.
1805
1806 2007-04-23  Jan Hubicka  <jh@suse.cz>
1807
1808         * function.c (init_function_start): Don't init line number info.
1809         (expand_function_end): Update.
1810         (reset_block_changes, record_block_change, finalize_block_changes,
1811         check_block_change, free_block_changes): Kill.
1812         * function.h (reset_block_changes, record_block_change,
1813         finalize_block_changes, check_block_change, free_block_changes): Remove
1814         prototypes.
1815         (struct function): Remove ib_boundaries_block.
1816         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1817         Use curr_insn_locator to initialize locator.
1818         (emit_line_note): Remove.
1819         * cfgexpand.c (expand_gimple_cond_expr): Update.
1820         (construct_exit_block): Likewise.
1821         (tree_expand_cfg): Initialize/finalize locators.
1822         * expr.c (expand_expr_real): Update.
1823         * cfglayout.c (line_locators_locs, line_locators_lines,
1824         file_locators_locs, file_locators_files): Remove.
1825         (set_block_levels): Move to cfgexpand.c.
1826         (insn_locators_initialize): Remove.
1827         (pass_insn_locators_initialize): Remove.
1828         (locations_locators_locs, locations_locators_vals): New static vars.
1829         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1830         Likewise.
1831         (insn_locators_alloc, insn_locators_finalize,
1832         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1833         New functions.
1834         (locator_location): New.
1835         (locator_line, locator_file): Rewrite.
1836         * rtl.h (emit_line_note): Kill.
1837         (insn_locators_alloc, insn_locators_finalize,
1838         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1839         Declare.
1840         * tree-inline.c (initialize_cfun): Do not initialize
1841         ib_boundaries_block.
1842         * passes.c (pass_insn_locators_initialize): Remove.
1843
1844 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1845
1846         PR middle-end/31448
1847         * expr.c (reduce_to_bit_field_precision): Handle
1848         CONST_INT rtx's.
1849
1850 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1851
1852         PR tree-optimization/24659
1853         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1854         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1855         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1856         * genopinit.c (optabs): Rename vec_pack_mod_optab
1857         to vec_pack_trunc_optab.
1858         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1859         early for scalar floating point operands for NOP_EXPR.
1860         (vectorizable_type_promotion): Ditto.
1861         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1862         vec_pack_trunc_optab.
1863         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1864
1865         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1866         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1867         Rename from VEC_PACK_MOD_EXPR.
1868         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1869         * expr.c (expand_expr_real_1): Ditto.
1870         * tree-inline.c (estimate_num_insns_1): Ditto.
1871         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1872
1873         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1874         (vec_unpacks_lo_v4sf): Ditto.
1875         (vec_pack_trunc_v2df): Ditto.
1876         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1877         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1878         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1879
1880         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1881         vec_pack_mod_v8hi.
1882         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1883
1884         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1885         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1886         packing of floating point operands.
1887         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1888         represent unpacking of floating point operands.
1889         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1890         [vec_unpacks_hi]: Ditto.
1891         [vec_unpacks_lo]: Ditto.
1892
1893 2007-04-22  Jan Hubicka  <jh@suse.cz>
1894
1895         * final.c (rest_of_handle_final): Call
1896         targetm.asm_out.constructor/targetm.asm_out.destructor
1897         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1898         proper priority via decl_*_priority_insert.
1899         * c-common.c (c_expand_body): Likewise.
1900
1901 2007-04-22  Richard Guenther  <rguenther@suse.de>
1902
1903         PR tree-optimization/29789
1904         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1905         (rewrite_reciprocal): New helper split out from
1906         determine_invariantness_stmt.
1907         (rewrite_bittest): Likewise.
1908         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1909         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1910         is not.
1911
1912 2007-04-22  Revital Eres  <eres@il.ibm.com>
1913
1914         * loop-unroll.c (var_to_expand): New field to support also
1915         insns of the form x = something + x.
1916         (analyze_insn_to_expand_var): Use it.
1917         (expand_var_during_unrolling): Likewise.
1918
1919 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1920
1921         * predict.c: Include pointer-set.h.
1922         (bb_predictions): New variable.
1923         (tree_predicted_by_p, tree_predict_edge,
1924         remove_predictions_associated_with_edge): Use bb_predictions map
1925         instead of bb->predictions.
1926         (clear_bb_predictions, assert_is_empty): New functions.
1927         (combine_predictions_for_bb): Use bb_predictions map.  Call
1928         clear_bb_predictions.
1929         (tree_estimate_probability): Create and free bb_predictions map.
1930         * Makefile.in (predict.o): Add pointer-set.h dependency.
1931         * basic-block.h (struct basic_block_def): Remove predictions
1932         field.
1933         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1934
1935 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1936
1937         PR target/31480
1938         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1939         is null.
1940
1941 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1942
1943         * timevar.c (timevar_print): Change reference of --disable-checking to
1944         --enable-checking=release.  Also warn if assert checking is disabled.
1945
1946 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1947
1948         PR C/30265
1949         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1950         decl as addressable if the compound literal was marked as
1951         addressable.
1952         Mark the decl as a gimple register if it is a complex or
1953         vector decl and does not live in memory.
1954
1955 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1956
1957         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1958         (GENERIC_NEXT): New function macro.
1959         (PHI_CHAIN): Use phi_node's new chain variable.
1960         (tree_phi_node): Change tree_common to tree_base
1961         and add the chain field.
1962         * tree-phinodes.c (make_phi_node): Don't set
1963         TREE_TYPE on the new node.
1964         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1965         instead of checking GIMPLE_TUPLE_P in chain_next.
1966         * tree-vect-transform.c
1967         (get_initial_def_for_induction): Look at
1968         PHI_RESULT_TREE for the type of the phi node.
1969         (update_vuses_to_preheader): Use PHI_CHAIN
1970         instead of TREE_CHAIN on the phi node.
1971         * tree-ssa-structalias.c (compute_points_to_sets):
1972         Likewise.
1973         (ipa_pta_execute): Likewise.
1974
1975 2007-04-21  Richard Guenther  <rguenther@suse.de>
1976
1977         PR middle-end/31136
1978         * fold-const.c (fold_unary): Call fold_convert_const on the
1979         original tree.
1980
1981 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1982
1983         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1984         (store_killed_in_pat): New.
1985
1986 2007-04-20  Richard Henderson  <rth@redhat.com>
1987
1988         PR target/31628
1989         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1990         TREE_LIST with a void_type_node value, not void_list_node exactly.
1991
1992 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1993
1994         * doc/standards.texi: Re-arrange into language-specific
1995         subsections. Add a C++ section, documenting which standards we
1996         support.
1997
1998 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1999
2000         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
2001         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
2002
2003 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
2004
2005         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
2006         ecrti.o and crtbegin.o.
2007         (LIB_DEFAULT_SPEC): Include -lc.
2008         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
2009
2010 2007-04-20  Richard Henderson  <rth@redhat.com>
2011
2012         PR target/28623
2013         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
2014         argument; update all callers.
2015         (get_unaligned_offset): New.
2016         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
2017         get_unaligned_address, just pass on the address directly.
2018         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
2019         the subreg in the helper patterns.
2020         (unaligned_extendqidi_le): Use get_unaligned_offset.
2021         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
2022         (unaligned_extendhidi_be): Likewise.
2023         (unaligned_extendhidi): Tidy.
2024         * config/alpha/alpha-protos.h: Update.
2025
2026 2007-04-20  Richard Henderson  <rth@redhat.com>
2027
2028         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
2029         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
2030         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
2031         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2032         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2033         (CPP_SPEC): Don't include %(cpp_subtarget).
2034         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
2035         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2036         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
2037
2038 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
2039
2040         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
2041         for __builtin_ia32_cmpordss.
2042
2043         PR tree-optimization/31632
2044         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2045         and arg1 for optimizations of comparison against min/max values.
2046         Fold arg0 to arg1's type for optimizations of comparison against
2047         min+1 and max-1 values.
2048
2049 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
2050
2051         * reload.c (combine_reloads): When trying to use a dying register,
2052         check whether it's uninitialized and don't use if so.
2053
2054 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
2055
2056         * fold-const.c: Remove prototypes for native_encode_expr and
2057         native_interpret_expr.
2058         (native_encode_expr): Make non-static.
2059         (native_interpret_expr): Likewise.
2060         * tree.h: Add prototypes for the above.
2061
2062 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2063
2064         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
2065         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
2066         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
2067         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
2068         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
2069         Add length attributes.
2070
2071 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
2072
2073         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
2074         not that it is 1.
2075
2076         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
2077         __STDC_WANT_DEC_FP__.
2078
2079 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
2080
2081         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
2082         for long double compatibility.
2083         * configure: Regenerate.
2084
2085 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
2086
2087         PR rtl-optimization/29841
2088         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
2089         trap instructions.
2090         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
2091         that may cause control flow transfer from being moved.
2092
2093 2007-04-18  Jan Hubicka  <jh@suse.cz>
2094
2095         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
2096         types.
2097
2098 2007-04-18  Eric Christopher  <echristo@apple.com>
2099
2100         * config/rs6000/darwin.md (load_macho_picbase): Use link register
2101         only. Update operands.
2102         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
2103         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
2104         link register to pic register.
2105
2106 2007-04-18  Dirk Mueller  <dmueller@suse.de>
2107
2108         PR diagnostic/31227
2109         * tree-vrp.c (search_for_addr_array): New.
2110         (check_array_bounds): Suppress warning about
2111         address taken of array refs if its not de-referenced.
2112
2113 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2114
2115         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
2116         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
2117
2118         * tree-vectorizer.h (NITERS_KNOWN_P): New.
2119         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
2120         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
2121
2122         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
2123         dump print.
2124         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
2125         print message.
2126         (vect_analyze_scalar_cycles): Fix indentation.
2127         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
2128         (vect_mark_relevant): Include phis in relevance analysis.
2129
2130         * tree-vect-transform.c (vect_transform_loop): Add an assert.
2131
2132 2007-04-18  Anatoly Sokolov <aesok@post.ru>
2133
2134         * config/avr/avr.c (ptrreg_to_str): Replace error() with
2135         output_operand_lossage().
2136
2137 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2138
2139         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
2140         the unused code for reduction without adjust-in-epilog to simplify the
2141         function.
2142
2143 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
2144
2145         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
2146         (S390_TDC_NEGATIVE_ZERO): New constant.
2147         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
2148         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
2149         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
2150         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
2151         (S390_TDC_POSITIVE_INFINITY): New constant.
2152         (S390_TDC_NEGATIVE_INFINITY): New constant.
2153         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
2154         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
2155         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
2156         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
2157         (S390_TDC_INFINITY): New constant.
2158         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
2159         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
2160         optimization for UNSPEC_CCZ_TO_INT.
2161         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
2162         ("*ccz_to_int"): New insn.
2163         ("isinf<mode>2"): New insn.
2164         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
2165         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
2166         (UNSPEC_CCZ_TO_INT): New constant.
2167
2168 2007-04-18  Richard Guenther  <rguenther@suse.de>
2169
2170         PR tree-optimization/19431
2171         PR tree-optimization/21463
2172         * tree-pass.h (pass_phiprop): Declare.
2173         * passes.c (init_optimization_passes): New phiprop pass.
2174         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
2175         (phivn_valid_p): New helper function.
2176         (phiprop_insert_phi): Likewise.
2177         (propagate_with_phi): Likewise.
2178         (tree_ssa_phiprop): New propagator propagating loads
2179         through phi nodes if profitable.
2180
2181 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
2182
2183         * tree-vect-analyze.c (process_use): New function.
2184         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
2185         Check phis in all bbs.
2186         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2187         assert.
2188
2189 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2190
2191         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2192         we use REG_EQUAL.
2193
2194 2007-04-17  Anatoly Sokolov <aesok@post.ru>
2195
2196         PR target/30483
2197         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2198         error().
2199
2200 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
2201
2202         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2203         on "0".
2204         (sse_vmmulv4sf3): Likewise.
2205         (sse2_vmaddv2df3): Likewise.
2206         (sse2_vmmulv2df3): Likewise.
2207
2208 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
2209
2210         PR rtl-optimization/31360
2211         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2212         (target_reg_cost): New.
2213         (init_set_costs): Initialize target_reg_cost.  Add comments
2214         regarding the rationale of the costs.
2215         (global_cost_for_size): Renamed to...
2216         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
2217         of register pressure.
2218         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2219         estimate_reg_pressure_cost.  Add number of ivs.
2220         (determine_set_costs): Dump target_reg_cost.
2221         * loop-invariant.c (gain_for_invariant):  Use
2222         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
2223         (best_gain_for_invariant, find_invariants_to_move): Remove
2224         n_inv_uses.
2225         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2226         (target_reg_cost): Declare.
2227         (global_cost_for_size): Declaration removed.
2228         (estimate_reg_pressure_cost): Declare.
2229
2230 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
2231
2232         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2233         regnos into even/odd register pairs.
2234         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2235         TDmode similar to the other floating point modes.
2236         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2237         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2238         define_expand's.
2239         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2240         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2241         (movdd_hardfloat64): Use TARGET_MFPGPR.
2242
2243 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2244
2245         * reload1.c (delete_output_reload): Don't count output in n_inherited.
2246
2247         Revert
2248         2005-01-05  Richard Henderson  <rth@redhat.com>
2249         PR rtl-opt/10692
2250         * reload1.c (do_input_reload): Restrict the optimization deleteing
2251         a previous output reload to RELOAD_FOR_INPUT.
2252
2253 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
2254
2255         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2256         induc_vec_info_type.
2257         (vectorizable_induction): New function declaration.
2258         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2259         check if already vectorized.  Find first place in BB where new stmts
2260         can be inserted.  Takes only one argument.
2261         (vectorizable_induction): New function.
2262         (vect_transform_stmt): Add case for induc_vec_info_type to call
2263         vectorizable_induction.
2264         (vect_transform_loop): Consider phis for vectorization.
2265         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2266         condition.
2267         (analyze_operations): Call vectorizable_induction when analyzing phis.
2268         Fix comment.
2269         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2270         (vect_mark_relevant): Include phis in relevance analysis.
2271         (vect_mark_stmts_to_be_vectorize): Likewise.
2272         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2273
2274 2007-04-16  Lawrence Crowl  <crowl@google.com>
2275
2276         * doc/invoke.texi (Debugging Options): Add documentation for the
2277         -femit-struct-debug options -femit-struct-debug-baseonly,
2278         -femit-struct-debug-reduced, and
2279         -femit-struct-debug-detailed[=...].
2280
2281         * c-opts.c (c_common_handle_option): Add
2282         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2283         and OPT_femit_struct_debug_detailed_.
2284         * c.opt: Add specifications for
2285         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2286         and -femit-struct-debug-detailed[=...].
2287         * opts.c (set_struct_debug_option): Parse the
2288         -femit-struct-debug-... options.
2289         * opts.c (matches_main_base, main_input_basename,
2290         main_input_baselength, base_of_path, matches_main_base): Add
2291         variables and functions to compare header base name to compilation
2292         unit base name.
2293         * opts.c (should_emit_struct_debug): Add to determine to emit a
2294         structure based on the option.
2295         (dump_struct_debug) Also disabled function to debug this
2296         function.
2297         * opts.c (handle_options): Save the base name of the
2298         compilation unit.
2299
2300         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2301         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2302         This hook indicates if a type is generic.  Set it by default
2303         to "never generic".
2304         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2305         to determine if a struct type is generic or not.
2306         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2307         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2308         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2309         with live C++ hook.
2310
2311         * flags.h (enum debug_info_usage): Add an enumeration to describe
2312         a program's use of a structure type.
2313         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2314         to indicate the program's usage of the type.  Filter structs based
2315         on the -femit-struct-debug-... specification.
2316         (gen_type_die): Split into two routines, gen_type_die and
2317         gen_type_die_with_usage.  gen_type_die is now a wrapper
2318         that assumes direct usage.
2319         (gen_type_die_with_usage): Replace calls to gen_type_die
2320         with gen_type_die_with_usage adding the program usage of
2321         the referenced type.
2322         (dwarf2out_imported_module_or_decl): Suppress struct debug
2323         information using should_emit_struct_debug when appropriate.
2324
2325 2007-04-16  Ian Lance Taylor  <iant@google.com>
2326
2327         PR tree-optimization/31522
2328         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2329         (vrp_initialize): Allocate vr_phi_edge_counts.
2330         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2331         executable edge.  Drop test for all constants.
2332         (vrp_finalize): Free vrp_phi_edge_counts.
2333
2334         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2335         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2336
2337         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2338         predecessors at head rather than tail.
2339
2340 2007-04-16  Matthias Klose  <doko@debian.org>
2341
2342         * config/alpha/linux.h (CPP_SPEC): Define.
2343         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2344
2345 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2346
2347         * function.h: Remove sequence_stack extern declaration.
2348
2349 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2350
2351         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2352         TARGET_FIDOA.
2353         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2354         defined.
2355
2356 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2357
2358         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2359         (enum avr_arch): Add.
2360         (avr_mcu_types): Use avr_arch enumeration constants instead of
2361         numbers.
2362         * config/avr/avr.h (LINK_SPEC): Simplify.
2363
2364 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2365
2366         * config/m68k/m68k.c (m68k_libcall_value,
2367         m68k_function_value): Use macros for register names more.
2368
2369         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2370         instead.
2371         (M68K_REGNAME): Use A6_REG.
2372         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2373
2374 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2375
2376         PR middle-end/28071
2377         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2378         'pending_read_list_length' and 'pending_write_list_length'.  Update
2379         comment.
2380         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2381         to handle two length counters instead of one.  Update all uses.
2382         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2383         two length counters instead of one.
2384         * sched-rgn.c (propagate_deps): Update to handle two length counters
2385         instead of one.
2386
2387 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2388
2389         PR target/31582
2390         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2391         copy of source, pass it to ix86_expand_vector_set and return
2392         it as target.
2393
2394 2007-04-16  David Ung  <davidu@mips.com>
2395             Joseph Myers  <joseph@codesourcery.com>
2396
2397         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2398         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2399         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2400         Add 74K processor information.
2401         * config/mips/mips.md: Include 74k.md.
2402         (cpu): Add 74kc,74kf,74kx.
2403         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2404         * config/mips/74k.md: New.
2405         * doc/invoke.texi (MIPS Options): Document 74K support.
2406
2407 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2408
2409         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2410         vectorizable_* functions.
2411         * tree-vect-transform.c (vectorizable_call): Add check for
2412         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2413         (vectorizable_store): likewise.
2414         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2415         Add comments.
2416         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2417         (vectorizable_type_promotion, vectorizable_load): Likewise.
2418         (vectorizable_live_operation, vectorizable_condition): Likewise.
2419         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2420         STMT_VINFO_LIVE_P.
2421         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2422
2423 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2424
2425         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2426         register numbers more.
2427         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2428         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2429         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2430         FUNCTION_VALUE_REGNO_P): Likewise.
2431         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2432         STATIC_CHAIN_REGNUM): Likewise.
2433         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2434         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2435         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2436         * config/m68k/m68k.md (FP_REG): New.
2437
2438 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2439
2440         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2441         alignment on fido.
2442
2443 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2444
2445         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2446         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2447         comment typos.
2448
2449 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2450
2451         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2452         cold loops.
2453
2454 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2455
2456         PR c/31520
2457         * c-decl.c (finish_decl): Grab the type of the decl after the call
2458         to store_init_value.
2459
2460 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2461
2462         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2463
2464 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2465
2466         PR c++/25874
2467         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2468         post dominators and cleanup cfg before returning.
2469
2470 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2471
2472         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2473         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2474
2475 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2476
2477         * config.gcc: Recognize fido.
2478         * config/m68k/m68k-devices.def (fidoa): New.
2479         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2480         __mfido__.
2481         (FL_FIDOA, TARGET_FIDOA): New.
2482         * config/m68k/m68k.opt (mfidoa): New.
2483
2484 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2485
2486         PR middle-end/31322
2487         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2488         when a personality function is used.
2489
2490 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2491
2492         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2493
2494 2007-04-13  Mike Stump  <mrs@apple.com>
2495
2496         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2497         we can...
2498         * config/darwin.opt (fapple-kext): Make C++ only.
2499         * config/darwin.c (darwin_override_options): Remove code to ensure
2500         -fapple-kext is given for C++ only.
2501
2502 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2503
2504         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2505         * config/mips/mips.c (override_options): Call
2506         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2507
2508 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2509
2510         * config/i386/i386.opt (msvr3-shlib): Removed.
2511
2512         * doc/invoke.texi: Remove -msvr3-shlib.
2513
2514 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2515
2516         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2517         with "popcnt" instruction.
2518
2519 2007-04-13  Richard Guenther  <rguenther@suse.de>
2520
2521         PR tree-optimization/21258
2522         * tree-vrp.c (compare_case_labels): New helper.
2523         (find_switch_asserts): New function.
2524         (find_assert_locations): Call it for SWITCH_EXPRs.
2525
2526 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2527
2528         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2529         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2530         check is now implied in X87_FLOAT_MODE_P.
2531         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2532         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2533         (fix_trunc<mode>_i386_fisttp): Ditto.
2534         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2535         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2536         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2537         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2538         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2539         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2540         (unnamed_splitters): Ditto.
2541         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2542         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2543         FIRST_SSE_REG for local functions when SSE math is enabled or
2544         for functions with sseregparm attribute.
2545         (standard_80387_constant_p): Return -1 if mode is not
2546         X87_FLOAT_MODE_P.
2547         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2548         (ix86_expand_compare): Ditto.
2549         (ix86_expand_carry_flag_compare): Ditto.
2550         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2551         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2552         DECIMAL_FLOAT_MODE_P.
2553         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2554         of SCALAR_FLOAT_MODE_P.
2555         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2556         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2557         checks before FLOAT_MODE_P.
2558         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2559         before FLOAT_MODE_P.
2560         [DIV]: Ditto.
2561         [NEG]: Ditto.
2562         [ABS]: Ditto.
2563         [SQRT]: Ditto.
2564         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2565
2566 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2567             Charles Wilson  <libtool@cwilson.fastmail.fm>
2568
2569         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2570         (libgcc.mvars): Don't depend on them.
2571         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2572         * exec-tool.in: New.
2573
2574 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2575
2576         * doc/invoke.text (--help): Document --help=common.
2577
2578 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2579
2580         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2581
2582 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2583
2584         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2585         * genemit.c (main): Emit #include "integrate.h".
2586         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2587         (LOADGP_RTP): New mips_loadgp_style.
2588         * config/mips/mips.h: Include config/vxworks-dummy.h.
2589         (TARGET_RTP_PIC): New macro.
2590         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2591         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2592         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2593         for TARGET_RTP_PIC.
2594         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2595         -mvxworks-pic when using -mrtp and a PIC option.
2596         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2597         for RTP PIC.
2598         (mips_symbolic_constant_p, mips_symbolic_address_p)
2599         (mips_symbol_insns): Handle SYMBOL_HALF.
2600         (override_options): Warn about -G and -mrtp being used together.
2601         Initialize mips_lo_relocs[SYMBOL_HALF].
2602         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2603         (mips_emit_loadgp): Handle LOADGP_RTP.
2604         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2605         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2606         (tablejump): Handle function-relative case table entries if
2607         TARGET_RTP_PIC.
2608         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2609
2610 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2611
2612         * config/mips/mips.md (load_call<mode>): Allow any general register.
2613         destination.
2614         (sibcall_value_internal, sibcall_value_multiple_internal)
2615         (call_value_internal, call_value_split, call_value_multiple_internal)
2616         (call_value_multiple_split): Remove constraints from operand 0.
2617
2618 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2619
2620         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2621         rather than loadgp_noshared.
2622         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2623         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2624         gen_loadgp.
2625         * config/mips/mips.md (loadgp): Rename to...
2626         (loadgp_newabi): ...this.
2627         (loadgp_noshared): Rename to...
2628         (loadgp_absolute): ...this.
2629
2630 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2631
2632         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2633         false for locally-binding symbols.
2634         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2635
2636 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2637
2638         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2639         (SYMBOL_GOT_PAGE_OFST): ...this.
2640         (SYMBOL_GOT_GLOBAL): Rename to...
2641         (SYMBOL_GOT_DISP): ...this.
2642         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2643         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2644         * config/mips/mips.c (mips_global_symbol_p): New function.
2645         (mips_symbol_binds_local_p): Likewise.
2646         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2647         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2648         and mips_symbol_binds_local_p.
2649         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2650         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2651         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2652         SYMBOL_GOTOFF_DISP.
2653         (mips_ok_for_lazy_binding_p): New function.
2654         (mips_load_call_address, mips_expand_call): Use it.
2655         (mips_dangerous_for_la25_p): Likewise.
2656         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2657         (*got_disp<mode>): Use got_disp_operand instead of
2658         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2659         SYMBOL_GOTOFF_GLOBAL.
2660         (*got_page<mode>): Use got_page_ofst_operand instead of
2661         local_got_operand.
2662         * config/mips/predicates.md (const_call_insn_operand): Use
2663         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2664         (global_got_operand): Rename to...
2665         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2666         SYMBOL_GOT_GLOBAL.
2667         (local_got_operand): Rename to...
2668         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2669         of SYMBOL_GOT_LOCAL.
2670
2671 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2672
2673         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2674         TARGET_CALL_CLOBBERED_GP.
2675         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2676         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2677         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2678         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2679         of TARGET_ABICALLS && !TARGET_NEWABI.
2680         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2681         * config/mips/mips.c (mips_load_call_address): Check
2682         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2683         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2684         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2685         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2686         TARGET_ABICALLS && TARGET_NEWABI.
2687         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2688         TARGET_ABICALLS.
2689         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2690         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2691         TARGET_ABICALLS && TARGET_NEWABI.
2692         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2693         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2694         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2695         whether indirect calls must use $25.
2696         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2697         TARGET_ABICALLS.
2698         * config/mips/mips.md (jal_macro): Check flag_pic and
2699         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2700         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2701         instead of TARGET_ABICALLS.
2702         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2703         TARGET_ABICALLS && TARGET_OLDABI.
2704         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2705         (sibcall): In the comment above the define_insn, mention
2706         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2707         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2708         instead of TARGET_ABICALLS.
2709
2710 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2711
2712         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2713         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2714         (MACFLAGS_MATCH_P): New macro.
2715         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2716         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2717         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2718         the other MACFLAG constants.
2719         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2720         (flag_machi): Tighten constraints.  Renumber some of the operands.
2721         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2722         output template.
2723         (flag_machi_parts_acconly): New pattern.
2724         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2725         used.
2726         (flag_macinit1hi): Tighten constraints.
2727         (flag_mul_macv2hi_parts_acconly): New pattern.
2728
2729         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2730         Use a more efficient implementation.
2731         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2732         inline sequences when not optimizing for size.
2733
2734         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2735         movhi_high2low): Delete, merge functionality into...
2736         (packv2hi): ... this pattern.
2737
2738         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2739         * config/bfin/bfin.opt (msim): New option.
2740         (mcpu=): New option.
2741         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2742         (bfin_cpu_t): Typedef of enum bfin_cpu.
2743         (bfin_cpu_type): New declaration.
2744         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2745         -msim and -mcpu= options.
2746         (LIB_SPEC): Likewise.
2747         * config/bfin/bfin.c (bfin_cpu_type): Define.
2748         (bfin_handle_option): Handle -mcpu= option.
2749         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2750         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2751         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2752
2753 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2754
2755         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2756         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2757         (powerpc-wrs-vxworksae): Use ${tm_file}.
2758         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2759         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2760         * config/i386/vx-common.h: New file.
2761
2762 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2763
2764         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2765         of crt0.o%s.
2766
2767 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2768
2769         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2770         ldxtr.
2771
2772 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2773
2774         PR c++/31078
2775         PR c++/31103
2776         * c-common.c (c_build_qualified_type): Set canonical type
2777         appropriately.
2778
2779 2007-04-12  Richard Guenther  <rguenther@suse.de>
2780
2781         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2782         lower bound and element size if lower bound is not zero
2783         or either of the ARRAY_REF operands is set.
2784
2785 2007-04-12  Richard Guenther  <rguenther@suse.de>
2786
2787         PR tree-optimization/24689
2788         PR tree-optimization/31307
2789         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2790         indices by value.
2791         * gimplify.c (canonicalize_addr_expr): To be consistent with
2792         gimplify_compound_lval only set operands two and three of
2793         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2794         it never at this place.
2795         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2796
2797 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2798
2799         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2800         null before emitting a .nsubspa directive.
2801
2802 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2803
2804         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2805         need_to_partition_p if there are no memory statements in the
2806         function.
2807
2808 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2809
2810         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2811         (gcd_of_steps_may_divide_p): New function.
2812         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2813
2814 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2815
2816         * reload.c (find_reloads_toplev, find_reloads_address,
2817         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2818         not a pointer equality test, to decide if we need to call
2819         push_reg_equiv_alt_mem.
2820
2821 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2822
2823         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2824         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2825         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2826
2827 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2828
2829         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2830         vector to be positive.
2831
2832 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2833
2834         PR 30735
2835         PR 31090
2836         * doc/invoke.texi: Document --params max-aliased-vops and
2837         avg-aliased-vops.
2838         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2839         debug_memory_partitions): Move to tree-flow.h
2840         * params.h (AVG_ALIASED_VOPS): Define.
2841         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2842         users.
2843         (mp_info_t): Likewise.
2844         (get_mem_sym_stats_for): New.
2845         (set_memory_partition): Move from tree-flow-inline.h.
2846         (mark_non_addressable): Only clear the set of symbols for the
2847         partition if it exists.
2848         (dump_memory_partitions): Move from tree-ssa-operands.c
2849         (debug_memory_partitions): Likewise.
2850         (need_to_partition_p): New.
2851         (dump_mem_ref_stats): New.
2852         (debug_mem_ref_stats): New.
2853         (dump_mem_sym_stats): New.
2854         (debug_mem_sym_stats): New.
2855         (update_mem_sym_stats_from_stmt): New.
2856         (compare_mp_info_entries): New.
2857         (mp_info_cmp): Call it.
2858         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2859         objects.
2860         (get_mpt_for): Move from tree-ssa-operands.c.
2861         (find_partition_for): New.
2862         (create_partition_for): Remove.
2863         (estimate_vop_reduction): New.
2864         (update_reference_counts): New.
2865         (build_mp_info): New.
2866         (compute_memory_partitions): Refactor.
2867         Document new heuristic.
2868         Call build_mp_info, update_reference_counts,
2869         find_partition_for and estimate_vop_reduction.
2870         (compute_may_aliases): Populate virtual operands before
2871         calling debugging dumps.
2872         (delete_mem_sym_stats): New.
2873         (delete_mem_ref_stats): New.
2874         (init_mem_ref_stats): New.
2875         (init_alias_info): Call it.
2876         (maybe_create_global_var): Remove alias_info argument.
2877         Get number of call sites and number of pure/const call sites
2878         from gimple_mem_ref_stats().
2879         (dump_alias_info): Call dump_memory_partitions first.
2880         (dump_points_to_info_for): Show how many times a pointer has
2881         been dereferenced.
2882         * opts.c (decode_options): For -O2 set --param
2883         max-aliased-vops to 500.
2884         For -O3 set --param max-aliased-vops to 1000 and --param
2885         avg-aliased-vops to 3.
2886         * fortran/options.c (gfc_init_options): Remove assignment to
2887         MAX_ALIASED_VOPS.
2888         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2889         * tree-dfa.c (dump_variable): Dump memory reference
2890         statistics.
2891         Dump NO_ALIAS* settings.
2892         (referenced_var_lookup): Tidy.
2893         (mem_sym_stats): New.
2894         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2895         and ORIG are different SSA names for a memory partition.
2896         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2897         * tree-flow.h (struct mem_sym_stats_d): Define.
2898         (mem_sym_stats_t): Define.
2899         (struct mem_ref_stats_d): Define.
2900         (struct gimple_df): Add field mem_ref_stats.
2901         (enum noalias_state): Define.
2902         (struct var_ann_d): Add bitfield noalias_state.
2903         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2904         debug_mem_ref_stats, debug_memory_partitions,
2905         debug_mem_sym_stats): Declare.
2906         * tree-ssa-structalias.c (update_alias_info): Update call
2907         sites, pure/const call sites and asm sites in structure
2908         returned by gimple_mem_ref_stats.
2909         Remove local variable IS_POTENTIAL_DEREF.
2910         Increase NUM_DEREFS if the memory expression is a potential
2911         dereference.
2912         Call update_mem_sym_stats_from_stmt.
2913         If the memory references memory, call
2914         update_mem_sym_stats_from_stmt for all the direct memory
2915         symbol references found.
2916         (intra_create_variable_infos): Set noalias_state field for
2917         pointer arguments according to the value of
2918         flag_argument_noalias.
2919         * tree-ssa-structalias.h (struct alias_info): Remove fields
2920         num_calls_found and num_pure_const_calls_found.
2921         (update_mem_sym_stats_from_stmt): Declare.
2922         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2923         Set default value to 100.
2924         (PARAM_AVG_ALIASED_VOPS): Define.
2925
2926 2007-04-11  Richard Guenther  <rguenther@suse.de>
2927
2928         PR middle-end/31530
2929         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2930         a * -b + c as c - a * b if we honor sign dependent rounding.
2931
2932 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2933
2934         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2935         bfin_expand_strmov.
2936         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2937         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2938         variables.
2939         (initialize_trampoline): Don't use old-style function definition.
2940         (bfin_secondary_reload): Mark IN_P argument as unused.
2941
2942 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2943
2944         PR tree-optimization/31343
2945         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2946         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2947         * testsuite/gcc.dg/vect/pr31343.c: New.
2948
2949 2007-04-10  Eric Christopher  <echristo@apple.com>
2950
2951         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2952         * config/i386/i386.md (*cmpfp0): Use.
2953         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2954         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2955         (fix_trunc<mode>_i386_fisttp): Ditto.
2956         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2957         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2958         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2959         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2960         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2961         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2962         (unnamed_splitters): Ditto.
2963         * config/i386/i386.c (output_fix_trunc): Assert that
2964         we're not being passed a TFmode operand.
2965
2966 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2967
2968         PR tree-optimization/31526
2969         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2970         n_basic_blocks to find newly added blocks.
2971
2972 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2973
2974         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2975         alternative.
2976         (fix_trunc<mode>si_sse): Ditto.
2977         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2978         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2979         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2980         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2981         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2982         expander using SSEMODEF mode macro.
2983         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2984         expander using SSEMODEF mode macro.
2985         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2986         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2987         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2988         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2989         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2990         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2991         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2992         Macroize insn using X87MODEF mode macro.
2993
2994 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2995
2996         * config/i386/sse.md (sse2_pinsrw): Removed.
2997         (sse2_pextrw): Renamed to ...
2998         (*sse2_pextrw): This.
2999
3000 2007-04-09  Jan Hubicka  <jh@suse.cz>
3001
3002         PR target/27869
3003         * config/i386/sse.md
3004         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
3005         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
3006         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
3007         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
3008
3009 2007-04-09  Jan Hubicka  <jh@suse.cz>
3010
3011         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
3012         multiple fields of union.
3013
3014 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
3015
3016         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
3017         (create_preheaders): Check that loops are available.
3018         (fix_loop_structure): Clean up, improve comments.
3019         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
3020         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
3021         state flags.
3022         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
3023         * predict.c (tree_estimate_probability): Do not call
3024         calculate_dominance_info.  Call create_preheaders.
3025         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
3026         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
3027         flags.
3028         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
3029         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
3030         * tree-cfg.c (tree_split_edge): Make an assert more precise.
3031         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
3032         arguments.
3033
3034 2007-04-08  Jan Hubicka  <jh@suse.cz>
3035
3036         * tree.h (maybe_fold_offset_to_component_ref): Declare.
3037         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
3038         * fold-const.c (fold_unary): Use it.
3039
3040 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3041
3042         * varasm.c (assemble_variable): Remove call to
3043         lang_hooks.decls.prepare_assemble_variable.
3044         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
3045         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
3046         * langhooks.h (lang_hooks_for_decls): Remove
3047         prepare_assemble_variable.
3048
3049 2007-04-08  Mike Stump  <mrs@apple.com>
3050
3051         * config/i386/i386.c: Use inc/dec on Core2.
3052
3053 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
3054
3055         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
3056         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3057         lhd_tree_inlining_end_inlining): Remove.
3058         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
3059         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
3060         end_inlining hooks.
3061         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
3062         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3063         lhd_tree_inlining_end_inlining): Remove prototypes.
3064         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
3065         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3066         LANG_HOOKS_TREE_INLINING_START_INLINING,
3067         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
3068
3069         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
3070         not set it.
3071
3072 2007-04-08  Anatoly Sokolov <aesok@post.ru>
3073
3074         PR target/29932
3075         * config/avr/predicates.md (io_address_operand): Delete predicate.
3076         (low_io_address_operand): Don't use 'mode' argument.
3077         (higth_io_address_operand): Rename ...
3078         (high_io_address_operand): ... to this. Don't use 'mode' argument.
3079         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
3080         for above change.
3081
3082 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
3083
3084         Revert change removing staticp.
3085
3086 2007-04-07  Anatoly Sokolov <aesok@post.ru>
3087
3088         PR target/30289
3089         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
3090         earlyclobber.
3091
3092 2007-04-07  Bruce Korb  <bkorb@gnu.org>
3093
3094         * c.opt: Add -Wformat-contains-nul.
3095         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
3096           -Wformat setting.
3097         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
3098         the NUL byte warning.
3099
3100 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
3101
3102         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
3103
3104 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3105
3106         * tree.c (staticp): No longer use staticp langhook.
3107         * langhooks.c (lhd_staticp): Removed.
3108         * langhooks.h (struct lang_hooks): Remove staticp.
3109         * c-common.c (c_staticp): Remove.
3110         * c-common.h (c_staticp): Ditto.
3111         * langhooks-defs.h (lhd_staticp): Ditto.
3112         (LHD_HOOKS_STATICP): Ditto
3113         * tree.h (gcc_assert_lowered): New macro.
3114
3115 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3116
3117         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
3118         argument "reliable".
3119         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
3120         Add argument "reliable".  Propagate it through calls.
3121         (infer_loop_bounds_from_undefined):  Derive number of iterations
3122         estimates from references in blocks that do not dominate loop latch.
3123         (gcov_type_to_double_int): New function.
3124         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
3125         and expected_loop_iterations_unbounded.
3126         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
3127         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
3128         * tree-data-ref.c (estimated_loop_iterations): Export.
3129         (get_references_in_stmt): Fix -- do not return addresses of local
3130         objects.
3131         * cfgloop.h (expected_loop_iterations_unbounded,
3132         estimated_loop_iterations): Declare.
3133
3134 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3135
3136         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3137
3138 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3139
3140         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
3141         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
3142         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
3143         Use output_387_reg_move().
3144         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
3145         expander using X87MODEF12 mode macro.
3146         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
3147         choosing register preferences.  Use output_387_reg_move().
3148         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
3149         instead of "x".  Use output_387_reg_move().
3150         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
3151         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
3152         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
3153         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
3154         Use output_387_reg_move().
3155         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
3156         mode macro.
3157         (*truncxf?f_i387 splitter): Ditto.
3158
3159 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
3160
3161         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3162         LANG_HOOKS_SAFE_FROM_P.
3163         * expr.c (safe_from_p): Remove langhook call.
3164         * langhooks.h (lang_hooks): Remove safe_from_p.
3165         (lhd_safe_from_p): Remove prototype.
3166         * langhooks.c (lhd_safe_from_p): Remove.
3167
3168 2007-04-06  Jan Hubicka  <jh@suse.cz>
3169
3170         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
3171         functions.
3172
3173 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
3174
3175         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
3176         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
3177         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
3178         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
3179         alternative.
3180         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
3181         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
3182
3183 2007-04-05  Richard Henderson  <rth@redhat.com>
3184
3185         * config/alpha/alpha.c (print_operand) [+]: Remove.
3186         (alpha_end_function): Print nop if call at end of function.
3187         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3188         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3189         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3190         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3191         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3192         the call pattern. Update peepholes to match.
3193
3194 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
3195
3196         * doc/extend.texi (Other Builtins): Add decimal float variants
3197         of signbit.
3198         * builtins.def: Ditto.
3199         * builtins.c (expand_builtin): Ditto.
3200
3201 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
3202             H.J. Lu  <hongjiu.lu@intel.com>
3203
3204         PR target/31478
3205         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3206         of V8HImode when calling ix86_binary_operator_ok.
3207         (sse2_pmaddwd): Call ix86_binary_operator_ok.
3208         (sdot_prodv8hi): Operands 1 and 2 must be register.
3209
3210 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3211
3212         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3213         initialize align to silence bogus warning.
3214
3215 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3216
3217         PR middle-end/22156
3218         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
3219         all_no_warning.
3220         (struct sra_walk_fns): Remove use_all parameter from use.
3221         (sra_hash_tree): Handle BIT_FIELD_REFs.
3222         (sra_elt_hash): Don't hash bitfld blocks.
3223         (sra_elt_eq): Skip them in parent compares as well.  Handle
3224         BIT_FIELD_REFs.
3225         (sra_walk_expr): Don't maintain or pass down use_all_p.
3226         (scan_use): Remove use_all parameter.
3227         (scalarize_use): Likewise.  Re-expand assignment to
3228         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
3229         output, and re-scalarize after output.  Don't mark anything
3230         for no warning.
3231         (scalarize_ldst): Adjust.
3232         (scalarize_walk_gimple_modify_statement): Likewise.
3233         (build_element_name_1): Handle BIT_FIELD_REFs.
3234         (instantiate_element): Don't warn for any element whose parent
3235         is used as a whole.
3236         (instantiate_missing_elements_1): Return the sra_elt.
3237         (canon_type_for_field): New.
3238         (try_instantiate_multiple_fields): New.
3239         (instantiate_missing_elemnts): Use them.
3240         (mark_no_warning): Removed.
3241         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3242         (REPLDUP, sra_build_elt_assignment): New.
3243         (generate_copy_inout): Use them.
3244         (generate_element_copy): Likewise.  Handle bitfld differences.
3245         (generate_element_zero): Don't recurse for blocks.  Use
3246         sra_build_elt_assignment.
3247         (generate_one_element_int): Take elt instead of var.  Use
3248         sra_build_elt_assignment.
3249         (generate_element_init_1): Adjust.
3250         (scalarize_use, scalarize_copy): Use REPLDUP.
3251         (scalarize_ldst): Move assert before dereference.
3252         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3253
3254 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3255
3256         * regmove.c: Fix unused variable warnings due to previous commit.
3257
3258 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3259
3260         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3261         (regmove_bb_head): Remove.
3262         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3263         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3264         problems with fixup_match_1.
3265         Don't initialize/free regmove_bb_head.
3266
3267         (reg_is_remote_constant_p): If an insn is in the same basic block
3268         but not before INSN, consider it remote, too.
3269
3270 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3271
3272         PR target/25448
3273         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3274         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3275
3276 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3277
3278         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3279         (CONDITIONAL_REGISTER_USAGE): Likewise.
3280
3281 2007-04-04  Richard Henderson  <rth@redhat.com>
3282
3283         * config/alpha/lib1funcs.asm: Remove unused file.
3284
3285 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3286
3287         PR other/31356
3288         * opts.c (print_specific_help): Fix --help=<language>
3289         header line.
3290         (common_handle_option): Support --help=common.
3291
3292 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3293
3294         PR other/31353
3295         * gcc.c (main): Do not run the linker if
3296         print_subprocess_help indicates that it shouldn't be
3297         run.
3298
3299 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3300
3301         PR doc/31355
3302         * doc/invoke.texi (--help=): Document <languages> value, fix
3303         formatting in tables of values.
3304
3305 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3306
3307         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3308         dllimport attribute of virtual methods.
3309
3310 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3311
3312         * config/score/crti.asm: Change _bss_start to __bss_start.
3313         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3314         (OUTGOING_REG_PARM_STACK_SPACE) update.
3315         * config/score/score.opt: add options to make backend support
3316         score5, score5u, score7 and score7d.
3317         * config/score/score.md: Likewise.
3318         * config/score/misc.md: Likewise.
3319         * config/score/mac.md: Likewise.
3320         * doc/invoke.texi: Likewise.
3321         * doc/md.texi: update constraints define.
3322
3323 2007-04-03  Richard Henderson  <rth@redhat.com>
3324
3325         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3326         an appropriate type, use the mode instead.
3327
3328 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3329
3330         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3331         Set the default --with-arch setting to mips2.
3332         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3333         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3334         (MULTILIB_OSDIRNAMES): Delete.
3335         (MULTILIB_DIRNAMES): Define.
3336         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3337         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3338         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3339         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3340         VXWORKS_OS_CPP_BUILTINS.
3341         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3342         (MIPS_DEBUGGING_INFO): Undefine.
3343         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3344
3345 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3346
3347         PR middle-end/30704
3348         * fold-const.c (native_encode_real): Encode real.c provided longs
3349         as a series of 32-bit native integers.
3350         (native_interpret_real): Interpret buffer as a series of 32-bit
3351         native integers.
3352
3353 2007-04-03  Richard Guenther  <rguenther@suse.de>
3354
3355         * genpreds.c (write_insn_constraint_len): Write function
3356         optimized for CONSTRAINT_LEN implementation.
3357         (write_tm_preds_h): Output insn_constraint_len inline and
3358         use it for CONSTRAINT_LEN.
3359         (write_insn_preds_c): Don't output insn_constraint_len.
3360         * doc/md.texi (define_register_constraint): Document multi-letter
3361         constraints shall have the same length if they start with the same
3362         letter.
3363
3364 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3365
3366         PR target/31175
3367         * config/i386/i386.md (isinf<mode>2): Expand only when
3368         TARGET_C99_FUNCTIONS is set.
3369
3370 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3373         (x86_64-*-linux*): Ditto.
3374         * config/i386/i386.opt (mpc): New option.
3375         * config/i386/i386.c (overrride_options): Handle
3376         ix87_precision_string.
3377         * config/i386/crtprec.c: New file.
3378         * config/i386/t-crtpc: Ditto.
3379         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3380         and -mpc80 options.
3381         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3382         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3383         crtprec32.o, crtprec64.o and crtprec80.o.
3384
3385         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3386         and -mpc80 options.
3387         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3388
3389 2007-04-02  Eric Christopher  <echristo@apple.com>
3390
3391         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3392         limitations on darwin.
3393
3394 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3395
3396         PR target/31137
3397         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3398
3399 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3400
3401         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3402
3403 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3404
3405         * libgcc2.h (exception_descriptor): Don't forward-declare.
3406         (__get_eh_table_language, __get_eh_table_version): Delete
3407         prototypes of long-dead functions.
3408
3409 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3410
3411         * ebitmap.h: New file
3412         * ebitmap.c: New file
3413         * Makefile.in (ebitmap.o): New target.
3414
3415 2007-04-01  Jan Hubicka  <jh@suse.cz>
3416
3417         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3418         before very first instruction.
3419
3420 2007-04-01  Jan Hubicka  <jh@suse.cz>
3421
3422         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3423         waring on 64bit hosts.
3424         * bitmap.h: Fix typo in bitmap_head_def.
3425
3426 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3427
3428         PR rtl-optimization/31391
3429         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3430         into a DELETED_LABEL note, and the label is in an empty basic
3431         block, update BB_END as well as BB_HEAD.
3432
3433 2007-04-01  Richard Henderson  <rth@redhat.com>
3434
3435         PR tree-optimization/31169
3436         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3437         to varying if the range is outside [0,  prec-1].
3438
3439 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3440
3441         PR target/31388
3442         * config/mips/mips.md (load_const_gp): New insn.
3443         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3444         the MIPS16 GP pseudo register if no_new_pseudos.
3445         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3446
3447 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3448
3449         PR target/31364
3450         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3451         secureplt.
3452         (call_value): Likewise.
3453
3454 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3455             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3456
3457         PR 14737
3458         * doc/invoke.texi: (optimization options): Reword description
3459         of -ffast-math. Document its primary purpose.
3460
3461 2007-03-31  Richard Guenther  <rguenther@suse.de>
3462
3463         * omp-low.c (splay-tree.h): Include.
3464         (lookup_decl): Replace splay-tree usage by pointer-map.
3465         (maybe_lookup_decl): Likewise.
3466         (new_omp_context): Likewise.
3467         (delete_omp_context): Likewise.
3468         * gimplify.c (splay-tree.h): Include.
3469         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3470         pointer-map.
3471         (remap_ssa_name): Likewise.
3472         (remap_decl): Likewise.
3473         (remap_type_1): Likewise.
3474         (remap_type): Likewise.
3475         (copy_body_r): Likewise.
3476         (expand_call_inline): Likewise.
3477         (clone_body): Likewise.
3478         (copy_tree_r): Likewise.
3479         (remap_save_expr): Likewise.
3480         (unsave_r): Likewise.
3481         (unsave_expr_now): Likewise.
3482         (tree_function_versioning): Likewise.
3483         (build_duplicate_type): Likewise.
3484         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3485         (struct copy_body_data): Replace splay-tree by pointer-map.
3486         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3487         not $(SPLAY_TREE_H).
3488         (gimplify.o): Depend on $(SPLAY_TREE_H).
3489         (omp-low.p): Likewise.
3490
3491 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3492
3493         * config/avr/predicates.md (even_register_operand,
3494         odd_register_operand): New predicates.
3495         * config/avr/avr.md (movw peephole2): New.
3496         (movw_r peephole2): New.
3497
3498 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3499
3500         * tree.h (get_signed_or_unsigned_type): New.
3501         * fold-const.c (operand_equal_for_comparison_p): Use
3502         get_signed_or_unsigned_type instead of
3503         lang_hooks.types.signed_or_unsigned_type.
3504         * expr.c (store_expr): Ditto.
3505         * langhooks.c (get_signed_or_unsigned_type): New.
3506         (lhd_signed_or_unsigned_type): New.
3507         * langhooks.h (lhd_signed_or_unsigned_type): New.
3508         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3509
3510 2007-03-30  Richard Henderson  <rth@redhat.com>
3511
3512         * tree-ssa-loop-ivopts.c: Include target.h.
3513         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3514         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3515         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3516         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3517
3518 2007-03-30  Richard Henderson  <rth@redhat.com>
3519             Kai Tietz  <kai.tietz@onevision.com>
3520
3521         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3522         default for 64-bit.
3523         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3524         (TARGET_64BIT_MS_ABI): New.
3525         (DBX_REGISTER_NUMBER): Handle 64-bit.
3526         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3527         (LONG_TYPE_SIZE): Force to 32.
3528         (REG_PARM_STACK_SPACE): New.
3529         (OUTGOING_REG_PARM_STACK_SPACE): New.
3530         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3531         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3532         (STACK_BOUNDARY): Use 128 for 64-bit.
3533         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3534         Add 64-bit implementation.
3535         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3536         argument unused.
3537         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3538         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3539         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3540         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3541         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3542         TARGET_64BIT_MS_ABI.
3543         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3544         (ix86_pass_by_reference): Likewise.
3545         (ix86_function_value_regno_p): Likewise.
3546         (ix86_build_builtin_va_list): Likewise.
3547         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3548         (function_arg_advance_ms_64): New.
3549         (function_arg_advance): Call it.
3550         (function_arg_ms_64): New.
3551         (function_arg): Call it.
3552         (function_value_ms_64): New.
3553         (ix86_function_value_1): Call it.
3554         (return_in_memory_ms_64): New.
3555         (ix86_return_in_memory): Call it.
3556         (setup_incoming_varargs_ms_64): New.
3557         (ix86_setup_incoming_varargs): Call it.
3558         (ix86_expand_prologue): Handle 64-bit stack probing.
3559         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3560         (output_pic_addr_const): Likewise.
3561         (x86_this_parameter): Likewise.
3562         (x86_output_mi_thunk): Likewise.
3563         (x86_function_profiler): Likewise.
3564         (TARGET_STRICT_ARGUMENT_NAMING): New.
3565         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3566         (TARGET_64BIT_MS_ABI): New.
3567         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3568         * config/i386/i386.md (allocate_stack_worker): Remove.
3569         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3570         describe the clobber of eax without a match_scratch.
3571         (allocate_stack_worker_postreload): Remove.
3572         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3573         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3574         (allocate_stack_worker_rex64_postreload): Remove.
3575         (allocate_stack): Handle 64-bit.
3576         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3577         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3578         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3579         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3580         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3581         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3582         * config.build (x86_64-*-mingw*): New host.
3583         * config.host (x86_64-*-mingw*): New host.
3584         * config.gcc (x86_64-*-mingw*): New target.
3585         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3586
3587 2007-03-30  Richard Henderson  <rth@redhat.com>
3588             Kai Tietz  <kai.tietz@onevision.com>
3589
3590         * c-pragma.c (struct def_pragma_macro_value): New.
3591         (struct def_pragma_macro): New.
3592         (pushed_macro_table): New.
3593         (dpm_hash, dpm_eq): New.
3594         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3595         (init_pragma): Install them.
3596         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3597
3598 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3599
3600         * config/avr/avr.c (avr_override_options): Clear
3601         'flag_delete_null_pointer_checks'.
3602
3603 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3604
3605         PR c++/26099
3606         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3607         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3608         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3609         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3610         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3611         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3612         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3613         C++ extensions.
3614         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3615
3616 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3617
3618         * regmove.c: Move all of pass_stack_adjustments from here...
3619         * combine-stack-adj.c: ...to this new file.
3620         * Makefile.in: Add rules for combine-stack-adj.o.
3621
3622 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3623
3624         PR tree-optimization/31383
3625         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3626         to have the same length.
3627
3628 2007-03-30  Jan Hubicka  <jh@suse.cz>
3629
3630         PR middle-end/30700
3631         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3632         availablility; add more sanity checking; ask varpool only about
3633         VAR_DECL.
3634
3635 2007-03-29  Richard Henderson  <rth@redhat.com>
3636
3637         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3638         to decide, but __SIZEOF_LONG_LONG__.
3639
3640 2007-03-29  Richard Henderson  <rth@redhat.com>
3641
3642         * emutls.c (struct __emutls_array): New.
3643         (emutls_destroy): Use it instead of casting element 0 from void*.
3644         (__emutls_get_address): Likewise.
3645
3646 2007-03-29  Richard Henderson  <rth@redhat.com>
3647
3648         * varasm.c (initializer_constant_valid_p): Don't deny
3649         DECL_DLLIMPORT_P on functions.
3650
3651         * config/i386/cygming.h: Remove function declarations.
3652         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3653         (ASM_OUTPUT_LABELREF): Remove.
3654         (COMMON_ASM_OP): Remove.
3655         (ASM_OUTPUT_COMMON): Remove.
3656         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3657         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3658         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3659         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3660         Rename from TARGET_ENCODE_SECTION_INFO.
3661         * config/i386/netware.h: Likewise.
3662         * config/i386/i386-protos.h: Update.
3663         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3664         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3665         (legitimate_constant_p): Reject dllimports.
3666         (dllimport_map, get_dllimport_decl): New.
3667         (legitimize_dllimport_symbol): New.
3668         (legitimize_address, ix86_expand_move): Use it.
3669         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3670         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3671         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3672         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3673         * config/i386/predicates.md (constant_call_address_operand): Only
3674         accept symbols; reject dllimport_p symbols.
3675         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3676         i386_pe_maybe_record_exported_symbol.
3677         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3678         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3679         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3680         trust the setting of DECL_DLLIMPORT_P.
3681         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3682         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3683         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3684         tidy the argument scanning loop.
3685         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3686         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3687         (i386_pe_strip_name_encoding): Remove.
3688         (i386_pe_binds_local_p): New.
3689         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3690         (i386_pe_output_labelref): Remove.
3691         (i386_pe_asm_output_aligned_decl_common): New.
3692         (i386_pe_maybe_record_exported_symbol): Rename from
3693         i386_pe_record_exported_symbol; check for dllexported symbols.
3694
3695 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3696
3697         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3698         add comment explaining why vsnprintf cannot be used.
3699
3700 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3701
3702         PR tree-optimization/30666
3703         * tree.c (build_complex_type): When creating type names for DWARF2
3704         debug info, create TYPE_DECLs for TYPE_NAME instead of
3705         IDENTIFIER_NODEs.
3706         (build_common_tree_nodes_2): Use build_complex_type when building
3707         predefined complex types, to preserve canonical types.
3708
3709 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3710
3711         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3712         (noce_get_alt_condition): Look at it to determine whether to
3713         reverse the condition or not.
3714         (noce_get_condition): Substitute the truth for lies.
3715         (noce_find_if_block): Set the then_else_reversed field.
3716
3717 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3718
3719         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3720         destination of this insn.
3721         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3722         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3723         'address + 4' rather than a stack based temporary which can be
3724         mis-optimized away.
3725
3726 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3727
3728         * config/s390/s390.c (s390_secondary_input_reload_class,
3729         s390_secondary_output_reload_class): Functions removed.
3730         (s390_secondary_reload): New function.
3731         (TARGET_SECONDARY_RELOAD): Target macro defined.
3732         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3733         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3734         * config/s390/s390.md ("reload_outti", "reload_outdi",
3735         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3736         "reload_out<mode>"): Expanders removed.
3737         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3738         "reload<mode>_nonoffmem_out"): Expanders added.
3739
3740 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3741
3742         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3743         SRC->DEST replacement failed anyway.
3744
3745 2007-03-28  Mike Stump  <mrs@apple.com>
3746
3747         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3748         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3749         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3750
3751 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3752
3753         * config.gcc: Accept barcelona as a variant of amdfam10.
3754         * config/i386/i386.c (override_options): Likewise.
3755         * doc/invoke.texi: Likewise.
3756
3757 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3758
3759         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3760         offsets for BIT_FIELD_REF and COMPONENT_REF.
3761
3762 2007-03-28  Richard Guenther  <rguenther@suse.de>
3763
3764         * tree.c (is_global_var): Move ...
3765         * tree-flow-inline.h (is_global_var): ... here.
3766         * tree.h (is_global_var): Remove declaration.
3767
3768 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3769
3770         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3771         option.
3772         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3773         * config/i386/i386.c (ix86_tune_features): Initialize new
3774         tuning option.
3775         * config/i386/predicates.md (promotable_binary_operator): Use
3776         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3777
3778 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3779
3780         PR target/31380
3781         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3782
3783 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3784
3785         * config/fr30/fr30.md (movsi_internal): Change destination
3786         constraint from m to V and add m to the end.
3787
3788 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3789
3790         * config/sh/sh.md (movsi_i): Fix type attribute.
3791
3792 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3793
3794         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3795         (movsf_ie): Likewise.
3796
3797 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3798
3799         * config.gcc: Add sh4-300 to multilib.
3800         * config/sh/t-mlib-sh4-300: New file.
3801
3802 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3803
3804         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3805         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3806         fix_trunc<mode>di2.
3807         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3808         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3809         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3810         "fixuns_trunctddi2"): Whitespace fix.
3811
3812 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3813
3814         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3815         the definition of struct sh_args.
3816         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3817         CALL_COOKIE_INT_REG_GET): Likewise.
3818
3819 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3820
3821         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3822         transformations are applied successfully.
3823
3824 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3825
3826         * tree.c (tree_contains_struct): Permit 512 tree codes.
3827         * tree.h (tree_contains_struct): Ditto.
3828         (MAX_TREE_CODES): Ditto.
3829         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3830         SPARE member to store remaining padding bits.
3831
3832 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3833
3834         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3835         architecture.
3836
3837 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3838
3839         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3840         * configure: Regenerate.
3841
3842         * configure: Regenerate using the correct version of autoconf.
3843
3844 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3845
3846         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3847         pointer regs.
3848         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3849         regs to "__SP_L__" and "__SP_H__".
3850
3851 2007-03-27  Richard Guenther  <rguenther@suse.de>
3852
3853         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3854         computations with it with a HOST_WIDE_INT variable.
3855
3856 2007-03-26  Mike Stump  <mrs@apple.com>
3857
3858         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3859         objective-c-header, objective-c++-header and objc++-cpp-output
3860         support.
3861         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3862
3863 2007-03-26  Richard Henderson  <rth@redhat.com>
3864
3865         PR target/31361
3866         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3867         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3868         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3869         IX86_BUILTIN_PSRLQ128): New.
3870         (ix86_init_mmx_sse_builtins): Add them.
3871         (ix86_expand_builtin): Expand them.
3872         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3873         operand 2 be TImode.
3874         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3875         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3876         _mm_srli_epi64): Mark __B const.
3877         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3878         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3879         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3880         new two-vector shift builtins.
3881
3882 2007-03-26  Ian Lance Taylor  <iant@google.com>
3883
3884         PR tree-optimization/31345
3885         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3886         [+INF, +INF(OVF)] into VARYING.
3887
3888 2007-03-26  Zack Weinberg  <zackw@panix.com>
3889
3890         * gengtype-parse.c: New file.
3891         * gengtype-yacc.y: Delete.
3892         * gengtype-lex.l: Don't include gengtype-yacc.h.
3893         Define YY_DECL and yyterminate appropriately for recursive
3894         descent parser.  yylval is now a string out-parameter to yylex.
3895         (HWS, EOID): New shorthand.
3896         (IWORD): Add a couple more types.
3897         (yylex): Add a setup stanza.  Remove the complex rules for
3898         detecting GTY'ed types and typedefs; replace with simple
3899         keyword detectors.  Adjust everything for the changed
3900         definition of yylval.  Ignore all pp-directives, not just #define.
3901         (yyerror): Delete.
3902         (parse_file): Rename yybegin; do not call yyparse.
3903         (yyend): New.
3904         * gengtype.c (xasprintf): Export again.
3905         (this_file): New.  Use everywhere __FILE__ was being used.
3906         (get_lang_bitmap): Special case types defined in gengtype.c.
3907         (do_typedef, new_structure): Suppress definition of certain types.
3908         (new_structure): Improve diagnostics of duplicate definitions.
3909         Make sure location_s is associated with input.h.
3910         (nreverse_pairs, define_location_structures): New functions.
3911         (main): Improve tagging of kludge types.  Remove old kludges
3912         for input.h types; use define_location_structures.
3913         * gengtype.h: Update prototypes.  Define token codes here.
3914         * Makefile.in: Remove all references to gengtype-yacc.
3915         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3916         and gengtype.
3917         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3918         add GTY((skip)) to the field that's only conditionally there.
3919         * doc/install.texi: Document that Bison is no longer required
3920         unless building treelang.
3921
3922         * gengtype.c: Don't include gtyp-gen.h.
3923         (srcdir): Declare here.
3924         (base_files, lang_dir_names): Allocate dynamically.
3925         (gt_files, num_gt_files, num_lang_dirs): New globals.
3926         (measure_input_list, read_input_line, read_input_list)
3927         (set_lang_bitmap): New functions.
3928         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3929         simplify, relying on read_input_list to set up the bitmaps.
3930         (main): Arguments are no longer unused.  Check for correct number
3931         of command line arguments, set srcdir and srcdir_len, then call
3932         read_input_list, before doing anything else.  No need to worry
3933         about duplicates in main loop.
3934         * configure.ac: Simplify the calculation of all_gtfiles.
3935         Put language tags in there.  Don't set or substitute
3936         all_gtfiles_files_langs or all_gtfiles_files_frags.
3937         * Makefile.in: Revamp the way gengtype is invoked, now that it
3938         takes a file on its command line with a much simpler format.
3939         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3940         (GTFILES): Remove duplicates and C source files.
3941         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3942         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3943         * configure: Regenerate.
3944
3945         * gengtype.h: Remove all type definitions to gengtype.c; leave
3946         only definitions of options_p, type_p, and pair_p as opaque
3947         pointers.  Update prototypes.
3948         * gengtype.c: Many type definitions moved here from gengtype.h.
3949         Consolidate type definitions at the top of the file.
3950         (xvasprintf): Delete.
3951         (xasprintf): Make static.
3952         (create_nested_pointer_option): Add 'next' parameter.
3953         (create_field_all, create_field_at): New functions.
3954         (create_field): Now a thin wrapper around create_field_all.
3955         (create_optional_field): Rename create_optional_field_ and add
3956         line argument.  Original name is now a macro which supplies
3957         __LINE__.
3958         (oprintf): Use vsnprintf directly.
3959         (close_output_files): Use fatal rather than perror/exit.
3960         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3961         (main): Set progname.  Don't use exit.
3962         * gengtype-yacc.y (struct_fields): Use create_field_at.
3963         (option, optionseqopt): Delete.
3964         (optionseq): Consolidate productions from option here so we
3965         can use the first argument to create_option.
3966
3967         * gengtype-lex.l: Distinguish unions from structures in the
3968         token type.  Don't call find_structure; return the tag as a string.
3969         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3970         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3971         Reorganize typedef_struct production accordingly.
3972         Use create_nested_ptr_option.
3973         * gengtype.c (create_nested_ptr_option): New function.
3974         * gengtype.h: Declare it.
3975
3976         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3977         (string_type): Don't declare.
3978         (do_scalar_typedef): Declare.
3979         (create_scalar_type): Update prototype.
3980         * gengtype.c (string_type): Make static.
3981         (scalar_nonchar, scalar_char): New.
3982         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3983         (resolve_typedef): Use scalar_nonchar for error recovery.
3984         (create_scalar_type): Remove name_len field.  Return scalar_char
3985         or scalar_nonchar as appropriate.
3986         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3987         to use string_type.
3988         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3989         whenever possible.
3990         (main): Initialize scalar_char and scalar_nonchar before calling
3991         gen_rtx_next.
3992         * gengtype-lex.l: Adjust for removal of second argument to
3993         create_scalar_type.  Use yylval.s instead of yylval.t when
3994         returning SCALAR.
3995         * gengtype-yacc.y: Type of SCALAR is string.  Call
3996         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3997         second argument to create_scalar_type.
3998
3999         * vec.h: Remove all #if IN_GENGTYPE blocks.
4000         Add comment saying that changes may require adjustments to gengtype.
4001         * gengtype.c: Don't include coretypes.h or tm.h.
4002         Add comment to inclusion of errors.h.
4003         (note_def_vec, note_def_vec_alloc): New functions.
4004         * gengtype.h: Declare new functions.
4005         * gengtype-lex.l: Don't include coretypes.h.
4006         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
4007         Delete.
4008         (update_lineno): Remove unnecessary prototype.
4009         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
4010         (VEC rule): Just return VEC_TOKEN.
4011         * gengtype-yacc.y (VEC_TOKEN): New token type.
4012         (type): Add a production for VEC(a,b).
4013         * Makefile.in: Update dependencies.
4014
4015         * gengtype-lex.l: Remove rules for parsing pointer-to-function
4016         typedefs that use the old PARAMS macro.
4017
4018         * gengtype-lex.l: Remove all rules and states relating to yacc
4019         input files.
4020         * gengtype-yacc.y: Similarly.
4021         * gengtype.c (note_yacc_type): Delete function.
4022         * gengtype.h: Update prototypes.
4023
4024 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
4025
4026         * tree-pretty-print.c (dump_generic_node): Report precision of
4027         unnamed integer types.
4028
4029 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
4030
4031         * ifcvt.c (noce_try_store_flag_constants): Don't check
4032         no_new_pseudos here.
4033         (noce_try_store_flag_constants): Don't check no_new_pseudos.
4034         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
4035         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
4036         noce_try_sign_mask): Likewise.
4037         (if_convert): Check no_new_pseudos here.
4038
4039         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
4040         Remove prototypes.
4041         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
4042         (noce_get_condition): Handle new then_else_reversed argument.
4043         (noce_init_if_info): Remove, fold into noce_find_if_block.
4044         (noce_process_if_block): Take a struct noce_if_info as the
4045         argument.  Don't set up one based on ce_if_info.  Update pointer
4046         references accordingly.
4047         (cond_move_process_if_block): Likewise.
4048         (process_if_block): Removed.
4049         (find_if_block): Removed.  Move functionality two new functions,
4050         noce_find_if_block and cond_exec_find_if_block.
4051         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
4052         blocks and the symmetric IF-ELSE-JOIN case.
4053         (cond_exec_find_if_block): Also new function mostly based on old
4054         find_if_block and process_if_block.
4055         (find_if_header): Replace find_if_block call with separately
4056         guarded calls to noce_find_if_block and cond_exec_find_if_block.
4057         (find_cond_trap): Update noce_get_condition call.
4058         (dead_or_predicable): Likewise.
4059
4060 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
4061
4062         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
4063         Remove.
4064         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
4065         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
4066         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
4067         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
4068         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
4069         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
4070         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
4071         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
4072         __builtin_ia32_psrad128 builtins.
4073
4074 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
4075
4076         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
4077         * config/i386/constraints.md
4078         (define_constraint "I"): Use IN_RANGE macro.
4079         (define_constraint "J"): Ditto.
4080         (define_constraint "K"): Ditto.
4081         (define_constraint "M"): Ditto.
4082         (define_constraint "N"): Ditto.
4083         (define_constraint "O"): Ditto.
4084         * config/i386/predicates.md
4085         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
4086         (define_predicate "const_0_to_3_operand"): Ditto.
4087         (define_predicate "const_0_to_7_operand"): Ditto.
4088         (define_predicate "const_0_to_15_operand"): Ditto.
4089         (define_predicate "const_0_to_63_operand"): Ditto.
4090         (define_predicate "const_0_to_255_operand"): Ditto.
4091         (define_predicate "const_1_to_31_operand"): Ditto.
4092         (define_predicate "const_2_to_3_operand"): Ditto.
4093         (define_predicate "const_4_to_7_operand"): Ditto.
4094
4095 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4096
4097         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
4098         in SImode for save_world.
4099         * config/rs6000/altivec.md (save_world, restore_world): Convert to
4100         LR hard reg.
4101
4102 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
4103
4104         PR tree-optimization/30784
4105         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
4106         BIT_FIELD_REF.
4107
4108 2007-03-25  Revital Eres  <eres@il.ibm.com>
4109
4110         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
4111           Fold movement_possibility function into it.
4112
4113 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
4114
4115         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
4116         (load_macho_picbase_{si,di}): Convert to LR hard reg.
4117         (call_indirect_nonlocal_darwin64): Same.
4118         (call_nonlocal_darwin64): Same.
4119         (call_value_indirect_nonlocal_darwin64): Same.
4120         (call_value_nonlocal_darwin64): Same.
4121         (sibcall_nonlocal_darwin64): Same.
4122         (sibcall_value_nonlocal_darwin64): Same.
4123         (sibcall_symbolic_64): Same.
4124         (sibcall_value_symbolic_64): Same.
4125         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
4126         LR pseudo.
4127         (rs6000_emit_load_toc_table): Same.
4128         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
4129         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
4130         (mull_call): Same.
4131         (divss_call): Same.
4132         (divus_call): Same.
4133         (quoss_call): Same.
4134         (quous_call): Same.
4135         (load_toc_v4_pic_si): Same
4136         (load_toc_v4_PIC_1): Same.
4137         (load_toc_v4_PIC_1b): Same.
4138         (call_indirect_aix{32,64}): Same.
4139         (call_value_indirect_aix{32,64}): Same.
4140         (call): Same.
4141         (call_value): Same.
4142         (call_local{32,64}): Same.
4143         (call_value_local{32,64}): Same.
4144         (call_indirect_nonlocal_aix{32,64}): Same.
4145         (call_nonlocal_aix{32,64}): Same.
4146         (call_value_indirect_nonlocal_aix{32,64}): Same.
4147         (call_value_nonlocal_aix{32,64}): Same.
4148         (call_indirect_nonlocal_sysv<mode>): Same.
4149         (call_nonlocal_sysv<mode>): Same.
4150         (call_value_indirect_nonlocal_sysv<mode>): Same.
4151         (call_value_nonlocal_sysv<mode>): Same.
4152         (sibcall): Same.
4153         (sibcall_local{32,64}): Same.
4154         (sibcall_value_local{32,64}): Same.
4155         (sibcall_nonlocal_aix{32,64}): Same.
4156         (sibcall_value_nonlocal_aix{32,64}): Same.
4157         (sibcall_nonlocal_sysv<mode>): Same.
4158         (sibcall_value): Same.
4159         (sibcall_value_nonlocal_sysv<mode>): Same.
4160
4161 2007-03-24  Paul Brook  <paul@codesourcery.com>
4162
4163         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
4164         * config/arm/linux-eabi.h: Remove legacy syscall hack.
4165
4166 2007-03-24  Richard Henderson  <rth@redhat.com>
4167
4168         * config/ia64/constraints.md: New file.
4169         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
4170         satisfies_constraint_?.
4171         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
4172         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
4173         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
4174         ia64_output_mi_thunk): Likewise.
4175         (ia64_const_ok_for_letter_p): Remove.
4176         (ia64_const_double_ok_for_letter_p): Remove.
4177         (ia64_extra_constraint): Remove.
4178         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
4179         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
4180         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
4181         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
4182         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
4183         EXTRA_MEMORY_CONSTRAINT): Remove.
4184         * config/ia64/ia64.md: Include constriants.md.  Replace
4185         CONST_OK_FOR_? with satisfies_constraint_?.
4186
4187 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
4188             H.J. Lu  <hongjiu.lu@intel.com>
4189
4190         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4191         DPD or BID name.
4192         (name macros): Use DPD_BID_NAME to convert names properly.
4193
4194         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4195         decimal floating point format.
4196         (init_floating_libfuncs): Change decimal functions so that they
4197         have a "bid_" prefix if the decimal system uses the BID format,
4198         and "dpd_" prefix if the decimal system uses the DPD format.
4199         (init_interclass_conv_libfuncs): Ditto.
4200         (init_intraclass_conv_libfuncs): Ditto.
4201
4202         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4203         using the BID format.
4204
4205         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4206         whether we are using the BID decimal format.
4207         * configure: Regenerate.
4208
4209         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4210         the compiler has decimal floating point enabled.  Define
4211         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4212         instead of DPD.
4213
4214         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4215         using the BID format.
4216
4217         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4218         whether we are using the BID decimal format.
4219         * configure: Regenerate.
4220
4221         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4222         the compiler has decimal floating point enabled.  Define
4223         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4224         instead of DPD.
4225
4226         * doc/install.texi (--enable-decimal-float): Document BID and DPD
4227         options, and that it is enabled for i386/x86_64 systems.
4228
4229         * Makefile.in (enable_decimal_float): New.
4230         (DECNUMFMT): New.
4231         (DECNUMINC): Add  -I$(DECNUMFMT).
4232         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4233         to $(DECNUMFMT) from $(DECNUM).
4234
4235         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4236         Substitute enable_decimal_float.
4237         * configure: Regenerated.
4238
4239         PR other/30529
4240         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4241         unsigned long.
4242
4243         * configure.ac: Enable decimal float for x86_64-*-linux*.
4244         * configure: Regenerated.
4245
4246         PR other/30530
4247         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4248         decimal128ClearSign to flip and clear the sign bit in decimal128.
4249         (decimal_real_maxval): Set decimal128SetSign to set the sign
4250         bit in decimal128.
4251
4252 2007-03-23  Ian Lance Taylor  <iant@google.com>
4253
4254         * fold-const.c (fold_binary): Correct warning for X - c >= X.
4255
4256 2007-03-23  Ian Lance Taylor  <iant@google.com>
4257
4258         * tree-dump.c (dump_files): Correct comment.
4259
4260 2007-03-23  Ian Lance Taylor  <iant@google.com>
4261
4262         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4263
4264 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4265
4266         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4267         in cfglayout mode.  Don't go into and out of cfglayout mode.
4268         Link the blocks in the order of the constructed traces.
4269         (rest_of_handle_tracer): Adjust call to tracer.
4270         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4271         Don't go into cfglayout mode.
4272         (rtl_loop_done): Don't go out of cfglayout mode.
4273         * cfglayout.c (relink_block_chain): New function, split out from...
4274         (fixup_reorder_chain): ...here.  Remove redundant checking.
4275         (cfg_layout_finalize): Don't clear the header, footer, and aux
4276         fields here, move the code to do so to relink_block_chain.  Likewise
4277         for free_original_copy_tables.
4278         * rtl.h (tracer): Update prototype.
4279         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4280         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4281         mode.  Use relink_block_chain to serialize the CFG according to the
4282         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4283         here...
4284         (gate_handle_reorder_blocks): ...to here.
4285         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4286         from here...
4287         (gate_duplicate_computed_gotos): ...to here.
4288         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4289         something always changes when going into and out of cfglayout mode.
4290         Perform an expensive cfg cleanup while going into cfglayout mode.
4291         Always update liveness information on HAVE_conditional_execution
4292         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4293         * reg-stack.c: Include cfglayout.h.
4294         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4295         the call to reorder_basic_blocks.
4296         * basic-block.h (reorder_basic_blocks): Update prototype.
4297         (relink_block_chain): New prototype.
4298         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4299
4300 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4301
4302         * config/mips/mips.md (type, hazard, *movdi_32bit,
4303         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4304         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4305         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4306         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4307         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4308         applicable.
4309         (movcc): Change first xfer to multi.
4310         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4311         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4312         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4313         config/mips/generic.md: Change reservations using "xfer" to use
4314         "mfc,mtc".
4315         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4316         using match_operand.
4317         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4318         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4319         examining mode.
4320         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4321
4322 2007-03-22  Richard Henderson  <rth@redhat.com>
4323
4324         * config/i386/i386.c: Remove unnecessary function declarations.
4325         Move targetm definition, and all related macros, to the end of
4326         the file.  Resort some functions to put definitions before uses.
4327         (ix86_attribute_table): Make static.  Move to end of file.
4328         (ix86_gimplify_va_arg): Make static.
4329
4330 2007-03-22  Richard Henderson  <rth@redhat.com>
4331
4332         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4333         don't increase local_regparm with force_align_arg_pointer check.
4334         (ix86_function_sseregparm): Assert 32-bit.
4335         (type_has_variadic_args_p): New.
4336         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4337         type_has_variadic_args_p.
4338         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4339         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4340         use memset instead.  Do maybe_vaarg check first; skip attribute
4341         tests if true; skip attribute tests for 64-bit.
4342         (construct_container): Remove TARGET_DEBUG_ARG.
4343         (function_arg_advance_32, function_arg_advance_64): Split out ...
4344         (function_arg_advance): ... from here.
4345         (function_arg_32, function_arg_64): Split out ...
4346         (function_arg): ... from here.
4347         (ix86_pass_by_reference): Tidy.
4348         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4349         (function_value_32): New, from parts of ix86_function_value
4350         and ix86_value_regno.
4351         (function_value_64): New, from parts of ix86_function_value
4352         and ix86_libcall_value.
4353         (ix86_function_value_1): New.
4354         (ix86_function_value, ix86_libcall_value): Use it.
4355         (return_in_memory_32, return_in_memory_64): Split out ...
4356         (ix86_return_in_memory): ... from here.
4357         (ix86_struct_value_rtx): Skip for 64-bit.
4358         (ix86_libcall_value, ix86_value_regno): Remove.
4359         (setup_incoming_varargs_64): Split out ...
4360         (ix86_setup_incoming_varargs): ... from here.
4361         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4362         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4363         * config/i386/i386-protos.h (ix86_function_value): Remove.
4364         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4365
4366 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4367
4368         PR other/23572
4369         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4370         infinities not supported, otherwise emit warning if -Woverflow. On
4371         underflow, emit warning if -Woverflow.
4372         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4373         and 0 otherwise.
4374         * real.h (real_from_string): Update declaration
4375
4376 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4377             Richard Henderson  <rth@redhat.com>
4378
4379         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4380         * calls.c (compute_argument_block_size, expand_call,
4381         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4382         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4383         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4384         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4385         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4386         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4387         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4388         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4389         Set to 1.
4390
4391 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4392
4393         * c-incpath.c (add_sysroot_to_chain): New.
4394         (merge_include_chains): Add sysroot argument.  Call
4395         add_sysroot_to_chain if sysrooted.
4396         (register_include_chains): Update call to merge_include_chains.
4397         * doc/cppopts.texi: Document use of '=' in include directory
4398         arguments.
4399
4400 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4401
4402         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4403         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4404         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4405         insn pattern using X87MODEF12 mode macro.
4406
4407 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4408
4409         * regmove.c (regmove_optimize): Use reg_mentioned_p
4410         instead of reg_overlap_mentioned_p for DST.
4411
4412 2007-03-21  Mike Stump  <mrs@apple.com>
4413
4414         * c.opt: Fixup for Objective-C/C++.
4415
4416 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4417
4418         * explow.c (convert_memory_address): Fold memory reference when
4419         POINTERS_EXTEND_UNSIGNED < 0
4420
4421 2007-03-21  Richard Henderson  <rth@redhat.com>
4422
4423         PR target/31245
4424         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4425         * config/i386/mmintrin.h (__m64): Likewise.
4426         * config/i386/xmmintrin.h (__m128): Likewise.
4427
4428 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4429
4430         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4431         (VXWORKS_OS_CPP_BUILTINS): Define.
4432         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4433         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4434
4435 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4436
4437         * rtl.h (constant_pool_reference_p): Delete.
4438         (find_constant_src): Declare.
4439         * rtlanal.c (find_constant_src): New function.
4440         * simplify-rtx.c (constant_pool_reference_p): Delete.
4441         * config/i386/i386.md: Use find_constant_src instead of
4442         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4443
4444 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4445
4446         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4447         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4448
4449 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4450
4451         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4452         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4453         (arm_elf_asm_constructor): Use it.
4454         (arm_elf_asm_destructor): New function.
4455
4456 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4457
4458         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4459
4460 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4461
4462         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4463
4464 2007-03-19  Andrew Haley  <aph@redhat.com>
4465
4466         PR tree-optimization/31264
4467         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4468         VIEW_CONVERT_EXPRs.
4469
4470 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4471
4472         PR rtl-optimization/30907
4473         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4474         (fwprop_init): Always call loop_optimizer_initialize.
4475         (fwprop_done): Always call loop_optimizer_finalize.
4476         (fwprop): We always have loop info now.
4477         (gate_fwprop_addr): Remove.
4478         (pass_fwprop_addr): Use gate_fwprop as gate.
4479
4480         PR rtl-optimization/30841
4481         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4482         df_chain_alloc): Call df_reorganize_refs unconditionally.
4483         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4484         refs_organized to refs_organized_size.
4485         (df_ref_create_structure): Use refs_organized_size instead of
4486         bitmap_size if refs had been organized, and keep refs_organized_size
4487         up-to-date.
4488         * df.h (struct df_ref_info): Change refs_organized to
4489         refs_organized_size.
4490         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4491         bitmap_size.
4492
4493 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4494
4495         * except.c (output_function_exception_table): Do not reference the
4496         EH personality routine for functions that do not require an
4497         exception table.
4498
4499 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4500
4501         PR c/30762
4502         * c-typeck.c (convert_for_assignment): Call comptypes for
4503         RECORD_TYPE or UNION_TYPE.
4504
4505         PR inline-asm/30505
4506         * reload1.c (reload): Do invalid ASM checking after
4507         cleanup_subreg_operands.
4508
4509 2007-03-19  Jeff Law  <law@redhat.com>
4510
4511         * tree-cfg.c (find_taken_edge): Tighten conditions for
4512         optimizing computed gotos.
4513
4514 2007-03-19  Michael Matz  <matz@suse.de>
4515
4516         * builtins.c (expand_builtin_sync_operation,
4517         expand_builtin_compare_and_swap,
4518         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4519         correctly.
4520
4521         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4522         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4523         for operand 3.
4524
4525 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4526
4527         * doc/tm.texi: Add brackets around the return type of
4528         TARGET_SECONDARY_RELOAD.
4529
4530 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4531         Richard Guenther  <rguenther@suse.de>
4532
4533         PR tree-optimization/31254
4534         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4535         Use handled_component_p () where appropriate.  Continue
4536         propagating into the rhs if we propagated into an INDIRECT_REF
4537         on the lhs.
4538
4539 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4540
4541         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4542         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4543         (xde, xdee): Mode attributes adjusted to support DFP modes.
4544         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4545         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4546         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4547         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4548         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4549         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4550         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4551         numbers.
4552         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4553         "movsf"): Insn definitions removed.
4554         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4555         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4556         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4557         definitions added.
4558         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4559         "reload_in<mode>", "reload_out<mode>"): Expander added.
4560         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4561         Expander removed.
4562
4563 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4564
4565         * config/s390/s390.md: Only non-functional changes.  Renamed
4566         FPR mode macro to BFP all over the file.
4567
4568 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4569
4570         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4571         (op_type attribute): RRF instruction type added.
4572         (fT0): New mode attribute.
4573         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4574         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4575         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4576         no secondary memory is needed when moving DFmode values between GPRs
4577         and FPRs.
4578
4579 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4580
4581         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4582         inverted and documentation adjusted.
4583         ("mhard-dfp", "msoft-dfp"): New options.
4584         * config/s390/s390.c (s390_handle_arch_option): New architecture
4585         switch: z9-ec.
4586         (override_options): Sanity checks for the new options added.
4587         * config.gcc: New architecture switch: z9-ec.
4588         * config/s390/s390.h (processor_flags): PF_DFP added.
4589         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4590         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4591         when the bit is NOT set so remove it from the defaults.
4592
4593 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4594
4595         * genemit.c (main): Print include statement for dfp.h.
4596         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4597         is not available.
4598
4599 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4600
4601         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4602
4603 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4604
4605         PR target/31022
4606         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4607         instead of PATTERN.
4608
4609 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4610
4611         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4612         attr_length_call, output_call, output_indirect_call): Cleanup
4613         formatting of targetm calls.
4614
4615 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4616
4617         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4618
4619 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4620
4621         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4622         reservation, bypass and anti-bypass descriptions for these instructions.
4623         Update move patterns.
4624         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4625         TYPE_FPSTORE.
4626
4627 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4628
4629         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4630         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4631         (get_initial_def_for_reduction): Likewise.
4632
4633 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4634
4635         Fix PR tree-optimization/29922
4636         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4637         (get_representative): Removed.
4638         (value_dies_in_block_x): Update for rvuse removal.
4639         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4640         (compute_antic_aux): Handle when PHI nodes appear in
4641         non-single-successors.
4642         (dump_bitmap_of_names): Removed.
4643         (compute_antic_safe): Renamed and removed rvuse calculation.
4644         Calculate only antic safe.
4645         (insert_into_preds_of_block): Remove assert.
4646         (execute_pre): Update for renamed functions.
4647         (defer_or_phi_translate_block): New function.
4648
4649 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4650
4651         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4652         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4653         typos.
4654         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4655         Follow spelling conventions.
4656
4657         * tree-data-ref.h: Remove the prototype for analyze_array.
4658
4659 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4660
4661         PR tree-optimization/31041
4662         * tree-vect-transform.c (get_initial_def_for_induction): Call
4663         force_gimple_operand.
4664
4665 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4666
4667         * ipa-type-escape.c (look_for_casts) : Revert code to use
4668         handled_component_p due to ada test a-numaux.adb.
4669
4670 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4671
4672         * final.c (final_scan_insn): Alter the condition of a
4673         conditional trap if we have nonstandard CC.
4674
4675 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4676
4677         * configure.ac: Remove excess quoting from asm line 0 test.
4678         * configure: Rebuilt.
4679
4680 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4681
4682         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4683         * c-common.c (convert_and_check): Move warning logic to...
4684         (warnings_for_convert_and_check): ...here. Define.
4685         * c-common.h (warnings_for_convert_and_check): Declare.
4686
4687 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4688
4689         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4690         (output_call): Likewise.
4691
4692 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4693
4694         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4695
4696 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4697
4698         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4699
4700 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4701
4702         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4703         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4704
4705 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4706
4707         PR tree-optimization/31183
4708         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4709         Use double_int instead of unsigned int for representing access_strides.
4710         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4711
4712 2007-03-16  Richard Guenther  <rguenther@suse.de>
4713
4714         PR tree-optimization/31146
4715         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4716         to allow recursion of forward_propagate_addr_expr.
4717         (forward_propagate_addr_into_variable_array_index): Likewise.
4718         (forward_propagate_addr_expr): Likewise.
4719         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4720         (forward_propagate_addr_expr_1): Recurse on simple copies
4721         instead of propagating into them.  Do so for useless conversions
4722         as well.
4723         (forward_propagate_addr_expr): Clean up unused statements after
4724         recursion.
4725
4726 2007-03-16  Richard Guenther  <rguenther@suse.de>
4727
4728         * builtins.c (expand_builtin_cexpi): Use the right argument
4729         for the expansion via cexp.
4730
4731 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4732
4733         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4734         * configure: Rebuilt.
4735
4736 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4737
4738         PR debug/29906
4739         * dwarf2out.c (force_type_die): Adjust comment.
4740         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4741
4742 2007-03-15  DJ Delorie  <dj@redhat.com>
4743
4744         * config/frv/predicates.md (minmax_operator): Don't check operands
4745         here.
4746
4747 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4748
4749         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4750         Update constant estimates of number of iterations.
4751         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4752         argument renamed to "realistic".
4753         (compute_estimated_nb_iterations): Removed.
4754         (record_niter_bound): New function.
4755         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4756         call record_nonwrapping_iv with upper = false.
4757         (infer_loop_bounds_from_signedness): Pass upper argument to
4758         record_nonwrapping_iv.
4759         (estimate_numbers_of_iterations_loop): Do not call
4760         compute_estimated_nb_iterations.  Record estimate based on profile
4761         information.  Initialize the constant estimates of number of
4762         iterations.
4763         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4764         estimates.
4765         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4766         number of iterations is too small.
4767         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4768         (EST_NOT_AVAILABLE): Removed.
4769         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4770         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4771         fields.
4772
4773 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4774
4775         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4776         Handle NE_EXPR guards.
4777
4778 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4779
4780         PR c++/24924
4781         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4782         Set also -pedantic-errors by default for the  preprocessor unless
4783         -fpermissive is given.
4784
4785 2007-03-15  Richard Guenther  <rguenther@suse.de>
4786
4787         PR middle-end/29719
4788         PR middle-end/31161
4789         * builtins.c (expand_builtin_cexpi): As a fallback if we
4790         don't have builtins for sincos or cexp create a function
4791         declaration for cexp and expand to a call to that.
4792         (expand_builtin_int_roundingfn): Always fall
4793         back to floor/ceil and its variants even if they may be
4794         not available.
4795
4796 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4797
4798         PR middle-end/31159
4799         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4800         jump tables, move the call to delete_dead_jumptables from here...
4801         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4802         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4803         don't allow merging of blocks that try_redirect_by_replacing_jump
4804         also does not handle when not optimizing.
4805
4806 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4807             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4808
4809         * config/i386/i386.md (x86_sahf_1): Correctly handle
4810         HAVE_AS_IX86_SAHF.
4811
4812 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4813
4814         PR target/31167
4815         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4816         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4817         from operand constraints and use "e" constraint instead.
4818         (*subti3_1, *subti3_1 splitter): Ditto.
4819         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4820         operand[1] predicate.
4821
4822 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4823
4824         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4825         arrays, multiply the access strides by the size of the sub-array.
4826         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4827
4828 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4829
4830         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4831         the configured assembler supports the sahf mnemonic.
4832         * configure: Regenerate.
4833         * config.in: Regenerate.
4834
4835         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4836         emit "sahf" or ".byte\t0x9e" as asm template.
4837
4838 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4839
4840         PR 31018
4841         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4842         option to replace hard coded TARGET_xxx in md file.
4843         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4844         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4845         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4846         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4847         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4848         (X86_TUNE_NOT_VECTORMODE): Ditto.
4849         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4850         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4851         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4852         (TUNE_SLOW_IMUL_IMM8): Ditto.
4853         (TUNE_MOVE_M1_VIA_OR): Ditto.
4854         (TUNE_NOT_UNPAIRABLE): Ditto.
4855         (TUNE_NOT_VECTORMODE): Ditto.
4856
4857         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4858         options.
4859
4860         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4861         tuning options instead of hard coded TARGET_xxx.
4862         (fix ssemode peephole2's): Ditto.
4863         (imul peephole2's): Ditto.
4864         (movsi_or): Ditto.
4865         (movdi_or_rex64): Ditto.
4866         (move peephole2): Ditto.
4867         (not peephole2's): Ditto.
4868
4869 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4870
4871         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4872         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4873         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4874         of empty body.
4875         * c-parser.c (c_parser_do_statement): Warn about empty body in
4876         do/while statement.
4877         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4878         * doc/invoke.texi (-Wempty-body): Update documentation.
4879
4880 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4881
4882         PR c/21438
4883         * c-common.h (warn_for_div_by_zero): Declare.
4884         * c-common.c (warn_for_div_by_zero): Define.
4885         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4886         warning.
4887
4888 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4889
4890         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4891         to PREFIX and STANDARD_PREFIX.
4892
4893 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4894             Phil Edwards  <phil@codesourcery.com>
4895
4896         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4897         (__gthread_once_t): Remove busy field for RTPs.
4898         (__GTHREAD_ONCE_INIT): Update accordingly.
4899
4900 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4901
4902         * doc/invoke.texi: Document VxWorks options.
4903
4904 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4905
4906         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4907
4908 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4909
4910         PR tree-optimization/30590
4911         * tree-nrv.c (tree_nrv): Check for the partial update of the
4912         return value.
4913
4914 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4915
4916         * flags.h (flag_random_seed): Remove declaration, in favor of...
4917         * toplev.h (get_random_seed, set_random_seed): ... these.
4918         * tree.c (get_file_function_name): Use the former.
4919         * opts.c (common_handle_option): Use the latter.
4920         * toplev.c
4921
4922 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4923
4924         PR middle-end/31127
4925         * cse.c (cse_find_path): Do not bail out if a basic block that
4926         we already visited now becomes part of a path that starts at a
4927         different basic block.  Just disallow this, to make sure we
4928         visit each basic block at most once.
4929
4930 2007-03-13  Jan Hubicka  <jh@suse.cz>
4931
4932         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4933         when profile esitmate is present, calls with very low frequency are
4934         cold.
4935
4936 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4937
4938         PR tree-optimization/30730
4939         PR tree-optimization/26900
4940         * tree-ssa-loop-niter.c: Include gmp.h.
4941         (bounds): New type.
4942         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4943         split_to_var_and_offset, determine_value_range,
4944         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4945         bound_difference, bounds_add, bounds_negate,
4946         number_of_iterations_ne_max, dump_affine_iv): New functions.
4947         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4948         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4949         difference of initial and final value of control iv to validate
4950         results.
4951         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4952         on the difference of the extremes of the control iv.  Add dumps.
4953         (expand_simple_operations): Handle phi nodes.
4954         (simplify_using_initial_conditions): Do not record used conditions.
4955         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4956         Do not set additional_info.
4957         (implies_nonnegative_p, implies_ge_p): Removed.
4958         (derive_constant_upper_bound): Do not use parameter `additional'.
4959         (record_estimate): Parameter `additional' removed.  Parameter
4960         `i_bound' added.  Do not call derive_constant_upper_bound.
4961         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4962         bound the number of iterations estimate.
4963         (estimate_numbers_of_iterations_loop): Pass the estimate from
4964         the number of iterations analysis to record_estimate.
4965         * tree.h (multiple_of_p): Declare.
4966         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4967         (scev_const_prop): Do not check expression_expensive_p.
4968         * fold-const.c (multiple_of_p): Exported.
4969         * double-int.c (double_int_mask): Exported.
4970         * double-int.h (double_int_mask): Declare.
4971         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4972         field.  Added max field.
4973
4974 2007-03-13  David Taylor  <taylor@candd.org>
4975
4976         PR driver/12448:
4977         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4978         default -MQ.
4979
4980 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4981
4982         PR target/31123
4983         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4984         two unamed patterns.
4985
4986 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4987
4988         * config/i386/i386.opt (mcx16, msahf): New options.
4989         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4990         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4991
4992         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4993         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4994         Output -mcx16 and -msahf options when corresponding bit is set.
4995
4996         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4997         and -msahf options.
4998
4999 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
5000
5001         * configure.ac: Test for assembler tolerance to # 0 "".
5002         * configure, config.in: Rebuilt.
5003         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
5004
5005 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
5006
5007         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
5008
5009         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
5010         (handle_syscall): Handle direct system calls.
5011         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
5012
5013 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5014
5015         * doc/invoke.texi: Fix cpp.info cross-reference.
5016         * doc/passes.texi: Fix gcc.info cross-reference.
5017
5018 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
5019
5020         PR tree-optimization/30835
5021         * lambda-code.c (can_convert_to_perfect_nest): Check whether
5022         bb_for_stmt is not NULL before accessing it.
5023
5024 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
5025
5026         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
5027         some multilibs.
5028
5029 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
5030
5031         PR 30635
5032         * doc/install.texi: Document --enable-stage1-languages
5033
5034 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
5035
5036         * tree-pass.h (pass_into_cfg_layout_mode,
5037         pass_outof_cfg_layout_mode): Declare.
5038         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
5039         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
5040         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
5041         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
5042
5043 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
5044
5045         * c-decl.c (warn_variable_length_array): New function.
5046         Refactored from grokdeclarator to handle warn_vla
5047         and handle unnamed array case.
5048         (grokdeclarator): Refactored VLA warning case.
5049         * c.opt (Wvla): New flag.
5050         * doc/invoke.texi (Wvla): New warning.
5051
5052 2007-03-12  Richard Henderson  <rth@redhat.com>
5053
5054         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
5055         (TARGET_SECTION_TYPE_FLAGS): New.
5056
5057 2007-03-12  Richard Henderson  <rth@redhat.com>
5058
5059         * config/darwin.c (machopic_reloc_rw_mask): New.
5060         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
5061         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
5062
5063 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
5064
5065         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
5066         * cppdefault.h (cpp_PREFIX): Document.
5067         (cpp_PREFIX_len): Likewise.
5068         (cpp_EXEC_PREFIX): New variable.
5069         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
5070         * c-incpath.c (add_standard_paths): Correct logic for relocating
5071         paths within prefix.
5072
5073 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
5074
5075         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
5076         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
5077         mode macro.
5078         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
5079         fix_truncdfdi_sse using SSEMODEF mode macro.
5080         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
5081         fix_truncdfsi_sse using SSEMODEF mode macro.
5082         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
5083         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
5084
5085 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
5086
5087         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
5088         elfos.h to tm_file.
5089
5090 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
5091
5092         * tree.h : Add multiple_of_p declaration.
5093         * fold-const.c (multiple_of_p): Make multiple_of_p public.
5094         * ipa-type-escape.c (results_of_malloc): Redundant.
5095         (visited_stmts): New. Visited stmt for walk_use_def_chains.
5096         (cast_type): Extended with new members.
5097         (check_cast): Returns cast_type.
5098         (cast): New structure for data of walk_use_def_chains.
5099         (is_malloc_result, is_cast_from_non_pointer_1,
5100         is_cast_from_non_pointer,
5101         is_array_access_through_pointer_and_index): New functions.
5102         (look_for_casts): Returns cast types.
5103         (check_call): Returns void.
5104         (okay_pointer_operation): Use support of pointer plus index,
5105         pointer plus constant and allow all multiplications.
5106
5107 2007-03-11  Richard Guenther  <rguenther@suse.de>
5108
5109         PR tree-optimization/31115
5110         * tree-vrp.c (extract_range_from_binary_expr): Make sure
5111         the shift count is positive and non-anti-range for RSHIFT_EXPR.
5112         A shift count of zero is not special as with *_DIV_EXPR.
5113         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
5114         direction.
5115
5116 2007-03-11  Ian Lance Taylor  <iant@google.com>
5117
5118         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
5119         the *_DIV_EXPR codes correctly with overflow infinities.
5120
5121 2007-03-11  Ira Rosen  <irar@il.ibm.com>
5122
5123         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
5124         indicate success/failure of the analysis. Add negation to subtrahend
5125         in case of subtraction. Fail if both operands contain constants.
5126         (create_data_ref): Fail if analyze_offset fails.
5127
5128 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
5129
5130         * config/i386/i386.md (frndintxf2): Rename to ...
5131         (rintxf2): ... this. Remove expander having same name.
5132         (rintsf2, rintdf2): Implement using SSEMODEF macro.
5133         (roundsf2, rounddf2): Ditto.
5134         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
5135         (lround<mode>di2, lround<mode>si2): Ditto.
5136
5137 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
5138
5139         * lower-subreg.c: Include except.h.
5140         (decompose_multiword_subregs): Verify that the only control flow
5141         insns we can split are loads to multi-words pseudos.
5142         Handle breaking such blocks after splitting, instead of calling
5143         find_many_sub_basic_blocks.
5144
5145         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
5146         on the new basic block.  Add a lengthy comment explaining why we
5147         thought this was necessary.
5148         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
5149
5150 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
5151
5152         PR c++/30924
5153         * tree.c (walk_type_fields): Recurse into the element type of
5154         ARRAY_TYPEs if there is a pointer set.
5155
5156 2007-03-10  Dirk Mueller  <dmueller@suse.de>
5157
5158         * c-common.c (warn_logical_operator): Fix condition.
5159
5160 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
5161
5162         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
5163         quotation mark.
5164         * config/darwin.c (machopic_select_section): Remove superfluous
5165         argument in call to categorize_decl_for_section.  Remove unused
5166         variable shlib.
5167
5168 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
5169
5170         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
5171         defined.
5172         * configure: Regenerate.
5173
5174 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
5175
5176         PR target/31101
5177         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
5178         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
5179         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
5180         Add LABEL_NUSES to emitted label.
5181         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
5182         branch probability value to emitted jump insn.
5183         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
5184         Do not check life information and do not re-arrange input operands
5185         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5186
5187 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5188
5189         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5190         the change of decode_asm_operands.
5191
5192 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5193
5194         * mode-switching.c (create_pre_exit): Skip blockage insn.
5195
5196 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
5197
5198         * tree-pass.h (TODO_update_smt_usage): Remove.
5199         Update all users.
5200         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5201         argument SOME.
5202         Update all users.
5203
5204 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5205
5206         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5207         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5208         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
5209         SOM target.
5210
5211 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
5212
5213         * gcc.c: Document %{, in big comment at top.
5214         (input_suffix_matches): Remove special handling for .s and
5215         .S.
5216         (input_spec_matches): New.
5217         (handle_braces): Handle %{,.
5218         (validate_switches): ',' indicates a value which is not a switch.
5219         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5220         to detect assembler input.
5221         * config/i386/sol2.h (CPP_SPEC): Likewise.
5222         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5223         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5224         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5225         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5226         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5227         -m64 causes deployment target to default to 10.5.
5228         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5229
5230 2007-03-09  Richard Henderson  <rth@redhat.com>
5231
5232         PR target/26090
5233         * target.h (targetm.asm.out.reloc_rw_mask): New.
5234         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5235         (TARGET_ASM_OUT): Use it.
5236         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5237         * varasm.c (categorize_decl_for_section): Remove shlib argument;
5238         use the new reloc_rw_mask target hook instead.
5239         (default_section_type_flags_1): Merge into...
5240         (default_section_type_flags): ... here.
5241         (decl_readonly_section_1): Merge into...
5242         (decl_readonly_section): ... here.
5243         (default_elf_select_section_1): Merge into...
5244         (default_elf_select_section): ... here.
5245         (default_unique_section_1): Merge into...
5246         (default_unique_section): ... here.
5247         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5248         (default_select_rtx_section): Use it.
5249         (default_elf_select_rtx_section): Likewise.
5250         * output.h: Update to match.
5251         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5252         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5253         (TARGET_ASM_RELOC_RW_MASK): New.
5254         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5255         to categorize_decl_for_section.
5256         (x86_64_elf_unique_section): Likewise.
5257         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5258         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5259         (TARGET_ASM_RELOC_RW_MASK): New.
5260         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5261         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5262         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5263         (TARGET_RWRELOC): Remove.
5264         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5265         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5266         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5267         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5268         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5269         (rs6000_xcoff_select_section): Use decl_readonly_section.
5270         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5271         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5272         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5273         (TARGET_SECTION_TYPE_FLAGS): Remove.
5274         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5275
5276 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5277
5278         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5279         complex constant equality/inequality comparisons for here.
5280         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5281         known at compile-time or can be simplified to a scalar comparison.
5282         (fold_relational_const): Move compile-time evaluation of complex
5283         constant equality/inequality comparisons to here.
5284
5285 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5286
5287         PR rtl-optimization/30643
5288         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5289         dest_addr_elt.
5290         (fold_rtx): Recurse, like before 2006-11-03.
5291
5292 2007-03-09  DJ Delorie  <dj@redhat.com>
5293
5294         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5295         m32c-pragma.o.
5296
5297 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5298
5299         PR tree-optimization/30375
5300         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5301         LHS of statements is not the same.
5302         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5303
5304 2007-03-09  Chao-ying Fu  <fu@mips.com>
5305
5306         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5307         REV 2.
5308         * doc/invoke.texi (-mdspr2): Document new option.
5309         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5310         New unspec for DSP REV 2.
5311         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5312         these instructions are extended in DSP REV 2.
5313         (mips-dspr2.md): Include.
5314         * config/mips/mips.opt (mdspr2): New option.
5315         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5316         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5317         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5318         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5319         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5320         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5321         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5322         and 2 builtins.
5323         (bdesc_map): Add one field of unsupported_target_flags.
5324         (bdesc_arrays):  Update entries to have extra fields.  Add
5325         dsp_32only_bdesc.
5326         (mips_init_builtins): Initialize new function types.
5327         Check unsupported_target_fileds to filter out builtins.
5328         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5329         TARGET_DSPR2.
5330         (ASM_SPEC): Pass mdspr2 to the assembler.
5331         * config/mips/mips-dspr2.md: New file.
5332
5333 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5334
5335         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5336
5337 2007-03-09  Ian Lance Taylor  <iant@google.com>
5338
5339         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5340         argument) like -Wstrict-overflow=2.
5341         * doc/invoke.texi (Warning Options): Update documentation.
5342
5343 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5344
5345         PR c++/17946
5346         * doc/invoke.texi (-Wlogical-op): Document.
5347         * common.opt (-Wlogical-op): New.
5348         * c-common.h (warn_logical_operator): Declare.
5349         * c-common.c (warn_logical_operator): Define.
5350         * c-typeck.c (parser_build_binary_op): Call
5351         warn_logical_operator.
5352
5353 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5354
5355         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5356         * final.c (final_scan_insn): Test for non-"" file name.
5357
5358 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5359
5360         * doc/loop.texi: Document the Omega linear constraints solver.
5361         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5362         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5363         omega-hash-table-size, omega-max-keys, and
5364         omega-eliminate-redundant-constraints.
5365         * tree-pass.h (pass_check_data_deps): Declared.
5366         * omega.c: New.
5367         * omega.h: New.
5368         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5369         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5370         pass_check_data_deps): New.
5371         * tree-data-ref.c (init_data_ref): Remove declaration.
5372         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5373         (analyze_array): Renamed init_array_ref, move up initializations.
5374         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5375         Removed arguments that are set to NULL.
5376         (analyze_indirect_ref): Correct indentation, correct call to
5377         init_pointer_ref.
5378         (object_analysis): Call init_array_ref instead of analyze_array.
5379         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5380         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5381         of DR_ACCESS_FNS_ADDR.
5382         (init_omega_eq_with_af, omega_extract_distance_vectors,
5383         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5384         ddr_consistent_p): New.
5385         (compute_affine_dependence): Check consistency of ddrs when
5386         flag_check_data_deps is passed.
5387         (analyze_all_data_dependences): Uncomment.
5388         (tree_check_data_deps): New.
5389         * tree-data-ref.h: Include omega.h.
5390         (DR_ACCESS_FNS_ADDR): Removed.
5391         (data_dependence_relation): Add inner_loop.
5392         (DDR_INNER_LOOP): New.
5393         * common.opt (fcheck-data-deps): New.
5394         * tree-flow.h (tree_check_data_deps): Declare.
5395         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5396         (OBJS-common): Depend on omega.o.
5397         (omega.o): Define.
5398         * passes.c (pass_check_data_deps): Scheduled.
5399         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5400         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5401         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5402         PARAM_VECT_MAX_VERSION_CHECKS,
5403         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5404
5405 2007-03-09  Richard Guenther  <rguenther@suse.de>
5406
5407         PR tree-optimization/30904
5408         PR middle-end/31058
5409         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5410         the same way as *_DIV_EXPR.
5411
5412 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5413
5414         * recog.c (decode_asm_operands): No mixed declarations and code.
5415
5416 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5417
5418         * rtl.def (ASM_INPUT): Add location.
5419         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5420         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5421         (decode_asm_operands): Add loc operand.
5422         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5423         * stmt.c (expand_asm): Rename to...
5424         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5425         gen_rtx_ASM_INPUT_loc.
5426         (expand_asm_expr): Adjust.
5427         * recog.c (decode_asm_operands): Add loc operand.
5428         (check_asm_operands, extract_insn): Adjust.
5429         * reload1.c (maybe_fix_stack_asms): Likewise.
5430         * final.c (asm_insn_count): Likewise.
5431         (final_scan_insn): Output # line before and after asm.
5432
5433 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5434
5435         * tree-ssa-structalias.c (variable_info): Remove
5436         finished_solution.
5437         (new_var_info): Ditto.
5438         (shared_bitmap_info_t): New structure.
5439         (shared_bitmap_table): New variable.
5440         (shared_bitmap_hash): New function.
5441         (shared_bitmap_eq): Ditto
5442         (shared_bitmap_lookup): Ditto.
5443         (shared_bitmap_add): Ditto.
5444         (merge_smts_into): Change to take bitmap directly.
5445         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5446         (init_alias_vars): Init shared bitmap hashtable.
5447         (delete_points_to_sets): Delete shared bitmap hashtable.
5448         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5449         is_aliased removal as a change that was still necessary was
5450         deleted.
5451
5452 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5453
5454         * config/i386/i386.h (override_options): Conditionally disable
5455         x86_sahf for 64bit targets only.
5456
5457 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5458
5459         PR C/31072
5460         * c-decl.c (merge_decls): Don't call make_var_volatile.
5461         * varasm.c (make_var_volatile): Remove.
5462         * output.h (make_var_volatile): Remove.
5463
5464 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5465
5466         PR tree-optimization/31085
5467         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5468
5469 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5470
5471         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5472         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5473         ATTR_CONST_NOTHROW_LIST.
5474
5475         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5476         FIX_TRUNC_EXPR.
5477
5478 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5479
5480         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5481
5482 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5483
5484         PR 31013
5485         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5486         is declared.
5487         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5488         passed, use shared libgcc.
5489
5490 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5491
5492         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5493         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5494         (honor_protect_cleanup_actions, lower_try_finally_switch):
5495         Likewise.
5496         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5497         ifc_temp_var): Likewise.
5498         * tree-inline.c (setup_one_parameter): Likewise.
5499         * tree-mudflap.c (mf_decl_cache_locals,
5500         mf_build_check_statement_for): Likewise.
5501         * tree-nested.c (init_tmp_var, save_tmp_var,
5502         finalize_nesting_tree_1): Likewise.
5503         * tree-outof-ssa.c (insert_copy_on_edge,
5504         insert_backedge_copies): Likewise.
5505         * tree-profile.c (tree_gen_edge_profiler,
5506         tree_gen_ic_profiler): Likewise.
5507         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5508         * tree-sra.c (sra_build_assignment): Likewise.
5509         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5510         * tree-ssa-math-opts.c (insert_reciprocals,
5511         execute_cse_sincos_1): Likewise.
5512         * tree-tailcall.c (adjust_accumulator_values,
5513         adjust_return_value): Likewise.
5514         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5515         * tree-vect-transform.c (vect_create_data_ref_ptr,
5516         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5517         vect_create_epilog_for_reduction, vectorizable_reduction,
5518         vectorizable_call, vectorizable_conversion,
5519         vectorizable_assignment, vectorizable_operation,
5520         vectorizable_type_demotion, vect_gen_widened_results_half,
5521         vect_permute_store_chain, vectorizable_store,
5522         vect_setup_realignment, vect_permute_load_chain,
5523         vectorizable_load, vectorizable_condition,
5524         vect_create_cond_for_align_checks): Likewise.
5525         * tree-vrp.c (build_assert_expr_for): Likewise.
5526
5527 2007-03-08  Ian Lance Taylor  <iant@google.com>
5528
5529         * tree-vrp.c: Include "intl.h".
5530         (usable_range_p): New static function.
5531         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5532         overflowed values, juts set *strict_overflow_p.
5533         (compare_values): Only return -2 if one of the operands is not a
5534         constant.
5535         (compare_ranges): Call usable_range_p.
5536         (compare_range_with_value): Likewise.
5537         (vrp_evaluate_conditional_warnv): Rename from
5538         vrp_evaluate_conditional.  Make static.  Change all callers.
5539         (vrp_evaluate_conditional): New function.
5540         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5541         on signed overflow.
5542         (simplify_abs_using_ranges): Likewise.
5543         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5544         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5545         within_stmt parameter.
5546         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5547         vrp_evaluate_conditional.
5548         * tree-ssa-threadedge.c
5549         (record_temporary_equivalences_from_stmts_at_dest): Change
5550         simplify parameter to take a second tree parameter.
5551         (simplify_control_stmt_condition): Likewise.
5552         (thread_across_edge): Likewise.
5553         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5554         (thread_across_edge): Likewise.
5555         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5556
5557 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5558
5559         * config/i386/i386.h (TARGET_SAHF): New define.
5560         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5561         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5562         (x86_sahf): New global variable.
5563         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5564         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5565         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5566         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5567         for 64-bit.
5568         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5569         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5570         when expanding fcomi/sahf based tests.
5571         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5572         expanding sahf based alternative. Emit sahf based sequence when
5573         optimizing for code size.
5574         * config/i386/i386.md (x86_sahf_1): Do not disable for
5575         TARGET_64BIT, enable for TARGET_SAHF.
5576
5577 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5578
5579         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5580         spurious whitespace from error message.
5581
5582 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5583
5584         PR c++/30852
5585         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5586
5587 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5588
5589         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5590         bitfields.
5591         * tree-sra.c (instantiate_element): Propagate disabled warnings
5592         from the element itself to the created variable.
5593
5594 2007-03-07  Richard Henderson  <rth@redhat.com>
5595
5596         PR target/30848
5597         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5598         silently fix up the stack in the case of a missing register.
5599
5600 2007-03-07  Paul Brook  <paul@codesourcery.com>
5601
5602         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5603
5604 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5605
5606         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5607         New.
5608         (phase1_vrs): Use them.
5609         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5610         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5611         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5612         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5613         __gnu_Unwind_Restore_WMMXC if required.
5614         (_Unwind_VRS_Pop): Implement iWMMXt support.
5615         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5616         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5617         gnu_Unwind_Save_WMMXC): Define.
5618
5619 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5620
5621         * config/vxworks.h (vxworks_override_options): Declare.
5622         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5623         * config/vxworks.c: Include target.h and toplev.h.
5624         (vxworks_override_options): New function.
5625         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5626
5627 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5628
5629         * config/s390/s390.c (override_options): Don't emit an error when
5630         -mstack-size is used without providing -mstack-guard.
5631         (s390_emit_prologue): Choose stack_guard value automatically if not
5632         provided via command line.
5633         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5634
5635 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5636
5637         * config/i386/i386.c (output_set_got): Add a GOT initialization
5638         sequence for VxWorks PIC.
5639         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5640         around labels as well as symbols.  Use gotoff_operand instead
5641         of local_symbolic_operand.
5642         (legitimize_pic_address): Use gotoff_operand instead of
5643         local_symbolic_operand.  Use @GOT accesses for labels as
5644         well as symbols.
5645         (ix86_output_addr_diff_elt): Use PC-relative rather than
5646         GP-relative offsets for VxWorks PIC.
5647         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5648         no_new_pseudos.  Check whether the returned register is op0.
5649         * config/i386/i386.md (tablejump): Use PC-relative rather than
5650         GP-relative offsets for VxWorks PIC.
5651         * config/i386/predicates.md (gotoff_operand): New predicate.
5652
5653 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5654
5655         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5656         before defining.
5657         * config/vxworks-dummy.h: New file.
5658         * config/i386/i386.h: Include it.
5659
5660 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5661
5662         * dwarf2out.c (is_inlined_entry_point): New
5663         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5664         DW_AT_ranges if the first subblock is the entry point.
5665
5666 2007-03-06  David Daney  <ddaney@avtrex.com>
5667
5668         * doc/install.texi (mips-*-*): Change recommended binutils
5669         version.
5670
5671 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5672
5673         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5674         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5675         devices.
5676         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5677         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5678
5679 2007-03-06  Jan Hubicka  <jh@suse.cz>
5680
5681         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5682         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5683         are hot.
5684         (probably_cold_bb_p): Cold functions are cold.
5685         (probably_never_executed_bb_p): Cold functions are cold.
5686         (tree_bb_level_predictions): Predict calls to cold functions as not
5687         taken.
5688         (compute_function_frequency): Check hot/cold attributes.
5689         * function.h (function_frequency): Update comments.
5690         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5691         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5692         (c_common_att): Add cold and hot.
5693
5694         * doc/extend.texi (hot,cold attributes): Document.
5695
5696 2007-03-06  Andrew Haley  <aph@redhat.com>
5697
5698         * function.c (expand_function_end): Move blockage to just after we
5699         emit the label for the naked return from the function.
5700
5701 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5702
5703         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5704         before redefining.
5705
5706 2007-03-06  Jan Hubicka  <jh@suse.cz>
5707
5708         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5709         loaded for constant large models.  Non-large 64bit PIC can do.
5710         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5711         * cmodel.h: Add LARGE PIC.
5712         * i386.md (UNSPEC_PLTOFF): New.
5713         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5714         needed.
5715         (*call_1_rex64): Disable for large models.
5716         (*call_1_rex64_large): New.
5717         (*call_value_1_rex64): Disable for large models.
5718         (*call_value_1_rex64_large): New.
5719         (set_rip_rex4): New.
5720         (set_got_offset_rex64): New.
5721         * predicates.md (constant_call_address_operand): For large model
5722         constant calls are not possible.
5723         * i386-protos.h (construct_plt_address): Declare.
5724         * i386.c (override_options): Accept large models.
5725         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5726         (legitimate_constant_p): Add new UNSPECs.
5727         (legitimate_pic_operand_p): Likewise.
5728         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5729         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5730         non-large model.
5731         (output_pic_addr_const): Add PLTOFF.
5732         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5733         (ix86_expand_move): Legitimize pic address when in PIC mode.
5734         (construct_plt_address): New function.
5735         (ix86_expand_call): Offload the address to register and use GOT pointer
5736         for large model.
5737         * invoke.texi (mcmodel=large): Update documentation.
5738
5739 2007-03-06  Richard Henderson  <rth@redhat.com>
5740
5741         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5742         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5743         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5744         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5745         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5746         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5747         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5748         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5749         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5750         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5751         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5752         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5753         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5754         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5755         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5756         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5757         x86_schedule, x86_use_bt, x86_pad_returns,
5758         x86_use_xchgb): Merge into ...
5759         (ix86_tune_features): ... here.  New array.
5760         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5761         x86_bswap): Merge into ...
5762         (ix86_arch_features): ... here.  New array.
5763         (x86_3dnow_a): Remove.
5764         (x86_accumulate_outgoing_args): Make static.
5765         (x86_arch_always_fancy_math_387): Make static.
5766         (ix86_tune_mask, ix86_arch_mask): Move ...
5767         (override_options): ... to local variables here.  Apply the
5768         appropriate mask to each element of ix86_arch_features and
5769         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5770         as were done in the old macros.
5771         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5772         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5773         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5774         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5775         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5776         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5777         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5778         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5779         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5780         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5781         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5782         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5783         x86_accumulate_outgoing_args, x86_prologue_using_move,
5784         x86_epilogue_using_move, x86_decompose_lea,
5785         x86_arch_always_fancy_math_387, x86_shift1,
5786         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5787         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5788         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5789         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5790         x86_use_incdec, x86_pad_returns, x86_bswap,
5791         x86_partial_flag_reg_stall): Remove.
5792         (enum ix86_tune_indices): New.
5793         (ix86_tune_features): New.
5794         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5795         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5796         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5797         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5798         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5799         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5800         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5801         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5802         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5803         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5804         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5805         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5806         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5807         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5808         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5809         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5810         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5811         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5812         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5813         TARGET_EXT_80387_CONSTANTS): Use it.
5814         (enum ix86_arch_indices): New.
5815         (ix86_arch_features): New.
5816         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5817         TARGET_BSWAP): Use it.
5818         (ix86_tune_mask, ix86_arch_mask): Remove.
5819
5820 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5821
5822         PR bootstrap/31020
5823         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5824         Define using $${sysroot_headers_suffix}.
5825         * configure: Regenerate.
5826         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5827         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5828         defined.
5829         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5830         * gcc.c (print_sysroot_headers_suffix): New.
5831         (option_map): Include --print-sysroot-headers-suffix.
5832         (display_help): Mention -print-sysroot-headers-suffix.
5833         (process_command): Handle -print-sysroot-headers-suffix.
5834         (do_spec_1): Append multilib directory to include-fixed path if
5835         sysroot suffixes in use.
5836         (main): Handle -print-sysroot-headers-suffix.
5837         * Makefile.in (start.encap): Don't depend on xlimits.h
5838         (xlimits.h): Remove.
5839         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5840         limits.h for each multilib in fixinc_list.
5841         (fixinc_list, s-fixinc_list): New.
5842         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5843         generate them for each multilib in fixinc_list.
5844         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5845         multilib in fixinc_list.
5846         (mostlyclean): Don't remove xlimits.h.
5847         (clean): Remove include-fixed.
5848         (real-install-headers-tar, real-install-headers-cpio,
5849         real-install-headers-cp): Don't copy include, only include-fixed.
5850         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5851         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5852         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5853         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5854
5855 2007-03-06  Jan Hubicka  <jh@suse.cz>
5856
5857         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5858         NANs easilly.
5859
5860 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5861
5862         * configure.ac: Allow tm_file to contain build-directory files.
5863         * configure: Regenerate.
5864         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5865         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5866         * config/m68k/print-sysroot-suffix.sh: New file.
5867
5868 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5869
5870         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5871         of pic_offset_table_rtx if reload_completed.
5872         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5873         PIC_OFFSET_TABLE_REGNUM.
5874         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5875         return true.
5876         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5877         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5878
5879 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5880
5881         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5882         functions that call eh_return.
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 need a constant pool.
5888
5889 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5890
5891         PR target/28181
5892         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5893         (m68k_preferred_reload_class): Likewise.
5894         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5895         (SECONDARY_RELOAD_CLASS): Define.
5896         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5897         (LIMIT_RELOAD_CLASS): Delete.
5898         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5899         registers from storing bytes.
5900         (m68k_secondary_reload_class): New function.
5901         (m68k_preferred_reload_class): Likewise.
5902
5903 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5904
5905         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5906         leaf functions.
5907         (m68k_expand_prologue): Likewise.
5908
5909 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5910
5911         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5912         (mips_expand_epilogue): Add a bool parameter.
5913         (m68k_legitimize_sibcall_address): Declare.
5914         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5915         (m68k_expand_epilogue): Add a parameter to select between sibling
5916         and normal epilogues.  Only generate a return for the latter.
5917         (m68k_ok_for_sibcall_p): New function.
5918         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5919         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5920         (sibcall_value, *sibcall_value): Likewise.
5921         (*call, *call_value): Require !SIBLING_CALL_P.
5922         (epilogue): Update call to m68k_expand_epilogue.
5923         (sibcall_epilogue): New pattern.
5924         * config/m68k/predicates.md (const_call_operand): Say that this
5925         predicate applies to sibling calls too.
5926         (sibcall_operand): New predicate.
5927
5928 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5929
5930         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5931         alternatives as movsi_cf.
5932         (movsf_cf_hard): Add commentary.
5933
5934 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5935             Richard Sandiford  <richard@codesourcery.com>
5936
5937         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5938         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5939         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5940         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5941         as being live on exit from an interrupt function.
5942         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5943         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5944         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5945         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5946         (m68k_interrupt_function_p): Globalize.
5947         (m68k_compute_frame_layout): Remove reverse mask code.
5948         (m68k_emit_movem, m68k_set_frame_related): New functions.
5949         (m68k_output_function_prologue): Delete in favor of...
5950         (m68k_expand_prologue): ...this new function.
5951         (m68k_output_function_epilogue): Delete in favor of...
5952         (m68k_expand_epilogue): ...this new function.
5953         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5954         functions.
5955         (print_operand): Handle %?.
5956         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5957         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5958         (prologue, epilogue): New patterns.
5959         (return): Turn into a define_expand.
5960         (*return): New pattern, derived from old "return" pattern.  Use rte
5961         rather than rts for interrupt functions.  Only use rtd if the pop
5962         count is nonzero.
5963         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5964         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5965         (link, *link, unlink, *unlink, load_got): Likewise.
5966
5967 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5968
5969         PR target/23482
5970         PR target/17114
5971         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5972         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5973         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5974         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5975         and m68k_matches_u_p.
5976         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5977         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5978         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5979         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5980         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5981         (REG_STRICT_P): New macro.
5982         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5983         PCREL_GENERAL_OPERAND_OK.
5984         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5985         m68k_legitimate_base_reg_p.
5986         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5987         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5988         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5989         * config/m68k/m68k.c (m68k_address): New structure.
5990         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5991         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5992         (m68k_jump_table_ref_p, m68k_decompose_address)
5993         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5994         (m68k_matches_u_p): New functions.
5995         (print_operand_address): Rewrite to use m68k_decompose_index.
5996
5997 2007-03-05  David Taylor  <dtaylor@emc.com>
5998
5999         * gcc.c: Correct copyright date in --version output.
6000
6001 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6002
6003         * pa.md: In unamed move patterns, disparge copies between general
6004         and floating point registers using '?' modifier.  Don't include 'f'
6005         constraint for register preferences in DImode, SImode, HImode and
6006         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
6007         Remove constraints for copies between general and floating registers
6008         in soft-float DFmode pattern.
6009         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
6010         floating register.
6011         (movsf): Likewise.
6012
6013 2007-03-05  Mike Stump  <mrs@apple.com>
6014
6015         * c-common.c (targetcm): Add.
6016         * c-opts.c (c_common_handle_option): Handle language specific
6017         target options.
6018         * opts.c (handle_option): Verify language for target options, if
6019         any are given.
6020         * opth-gen.awk: Add CL_LANG_ALL.
6021         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
6022         (TARGETCM_INITIALIZER): Add.
6023         * target.h (struct gcc_targetcm): Add.
6024         (targetcm): Add.
6025         * targhooks.c (default_handle_c_option): Add.
6026         * targhooks.h (default_handle_c_option): Add.
6027         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
6028
6029         * config/darwin.opt (iframework): Add.
6030         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
6031         * config/darwin-c.c (handle_c_option): Add.
6032         (TARGET_HANDLE_C_OPTION): Add.
6033         (targetcm): Add.
6034         * doc/invoke.texi (Darwin Options): Add -iframework.
6035
6036 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6037
6038         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
6039         conversion.
6040
6041 2007-03-05  Ian Lance Taylor  <iant@google.com>
6042
6043         * c.opt (fgnu89-inline): New option.
6044         * c-opts.c (c_common_post_options): Set default value for
6045         flag_gnu89_inline.
6046         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
6047         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
6048         inline functions.
6049         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
6050         (grokdeclarator, start_function): Likewise.
6051         * c-cppbuiltin.c (c_cpp_builtins): Define either
6052         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
6053         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
6054         (C Dialect Options): Document -fgnu89-inline.
6055         * doc/extend.texi (Function Attributes): Explain what the
6056         gnu_inline attribute does.
6057         * doc/cpp.texi (Common Predefined Macros): Document
6058         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
6059
6060 2007-03-05  Ian Lance Taylor  <iant@google.com>
6061
6062         PR tree-optimization/31034
6063         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
6064         half-range if the other side is an overflow infinity.
6065
6066 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6067
6068         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
6069         (bfin*-linux-uclibc*): New configuration.
6070         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
6071         defining.
6072         * config/bfin/linux.h: New file.
6073         * config/bfin/libgcc-bfin.ver: New file.
6074         * config/bfin/t-bfin-uclinux: New file.
6075         * config/bfin/t-bfin-linux: New file.
6076         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
6077         (TARGET_OS_CPP_BUILTINS): New macro.
6078
6079 2007-03-05  Richard Guenther  <rguenther@suse.de>
6080
6081         * fold-const.c (fold_binary): Remove duplicate folding
6082         of comparison of non-null ADDR_EXPR against null.
6083
6084 2007-03-05  Richard Guenther  <rguenther@suse.de>
6085             Dorit Nuzman  <dorit@il.ibm.com>
6086
6087         PR tree-optimization/26420
6088         * tree-vectorizer.c (vectorize_loops): Bail out early if there
6089         are no loops in the function.  Only print the number of
6090         vectorized loops if it is greater than zero or we are supposed
6091         to print information about unvectorized loops.
6092
6093 2007-03-05  Revital Eres  <eres@il.ibm.com>
6094
6095         * gcc.dg/var-expand1.c: New test.
6096         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
6097         when an accumulator is expanded.
6098
6099 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6100
6101         PR other/30465
6102         * c-common.c (convert_and_check): Don't give warnings for
6103         conversion if 'expr' already overflowed.
6104
6105 2007-03-04  Roger Sayle  <roger@eyesopen.com>
6106
6107         PR middle-end/30744
6108         * fold-const.c (fold_comparison): Enforce type consistency when
6109         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
6110
6111 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
6112
6113         * tree-ssa-address.c (create_mem_ref): Do not put an expression
6114         containing a cast to the base of TARGET_MEM_REF.
6115
6116 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
6117
6118         * tree.c (tree_contains_struct_check_failed): Remove spurious
6119         whitespace from error message.
6120
6121 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
6122
6123         PR target/30406
6124         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
6125         instead of precision.
6126
6127 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
6128             Nathan Sidwell  <nathan@codesourcery.com>
6129
6130         * emit-rtl.c (find_auto_inc): New.
6131         (try_split): recreate REG_INC notes,
6132         Use regular for loops rather than whiles.
6133
6134 2007-03-03  Andreas Schwab  <schwab@suse.de>
6135
6136         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
6137         * configure: Regenerate.
6138
6139 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6140
6141         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
6142         flag_rounding_math, not flag_unsafe_math_optimizations.
6143
6144         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
6145         fold_build2.
6146         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
6147         alpha_fold_vector_minmax): Likewise.
6148         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6149         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
6150
6151 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6152
6153         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
6154         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
6155         if the lhs has side-effects.
6156         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
6157
6158 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6159
6160         * config/i386/i386.h (TUNEMASK): Remove define.
6161         (ARCHMASK): Remove define.
6162         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
6163          Use ix86_arch_mask variable instead of ARCHMASK.
6164         * config/i386/i386.c (override_options): Ditto.
6165         (standard_80387_constant_p): Ditto.
6166
6167 2007-03-02  Ian Lance Taylor  <iant@google.com>
6168
6169         Used signed infinities in VRP.
6170         * tree-vrp.c (uses_overflow_infinity): New static function.
6171         (supports_overflow_infinity): New static function.
6172         (make_overflow_infinity): New static function.
6173         (negative_overflow_infinity): New static function.
6174         (positive_overflow_infinity): New static function.
6175         (is_negative_overflow_infinity): New static function.
6176         (is_positive_overflow_infinity): New static function.
6177         (is_overflow_infinity): New static function.
6178         (overflow_infinity_range_p): New static function.
6179         (compare_values_warnv): New function split out of compare_values.
6180         (compare_value): Call it.
6181         (set_value_range_to_nonnegative): Add overflow_infinity
6182         parameter.  Change caller.
6183         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
6184         Change callers.
6185         (vrp_expr_computes_nonzero): Likewise.
6186         (compare_ranges, compare_range_with_value): Likewise.
6187         (compare_name_with_value, compare_names): Likewise.
6188         (vrp_evaluate_conditional): Likewise.
6189         (set_value_range): Handle infinity
6190         (vrp_operand_equal_p, operand_less_p): Likewise.
6191         (extract_range_from_assert): Likewise.
6192         (vrp_int_const_binop): Likewise.
6193         (extract_range_from_binary_expr): Likewise.
6194         (extract_range_from_unary_expr): Likewise.
6195         (extract_range_from_comparison): Likewise.
6196         (extract_range_from_expr): Likewise.
6197         (dump_value_range): Likewise.
6198         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6199         (test_for_singularity): Likewise.
6200         (vrp_int_const_binop): Remove inline qualifier.
6201         (adjust_range_with_scev): Add comment.
6202         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6203
6204 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
6205
6206         * tree-ssa-structalias.c (could_have_pointers): Tidy.
6207         (get_constraint_for): Likewise.
6208         (do_structure_copy): Likewise.
6209         (find_func_aliases): Fix references to MODIFY_EXPR.
6210         (intra_create_variable_infos): Tidy.
6211         * tree-ssa-operands.c (add_virtual_operand): Add argument
6212         IS_CALL_SITE.
6213         When adding members of alias sets, if IS_CALL_SITE is true and
6214         the symbol is not call-clobbered, skip it.
6215         Adjust all callers.
6216
6217 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
6218
6219         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6220         entry by means of emit_insn_at_entry.
6221
6222 2007-03-02  Richard Henderson  <rth@redhat.com>
6223
6224         * expr.h (promoted_input_arg): Remove decl.
6225         * function.c (promoted_input_arg): Merge into ...
6226         * combine.c (setup_incoming_promotions): ... only caller.
6227         Rearrange to avoid double loop.
6228
6229 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6230             Peter Bergner  <bergner@vnet.ibm.com>
6231             Janis Johnson  <janis187@us.ibm.com>
6232
6233         * config/rs6000/dfp.md: New file.
6234         * config/rs6000/rs6000.md: Include dfp.md.
6235         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6236         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6237         and TDmode decimal float modes in FP registers.
6238         (num_insns_constant): Likewise.
6239         (rs6000_legitimate_offset_address_p): Likewise.
6240         (rs6000_legitimize_address): Likewise.
6241         (rs6000_legitimize_reload_address): Likewise.
6242         (rs6000_legitimate_address): Likewise.
6243         (rs6000_emit_move): Likewise.
6244         (function_arg_boundary): Likewise.
6245         (function_arg_advance): Likewise.
6246         (rs6000_darwin64_record_arg_recurse): Likewise.
6247         (function_arg): Likewise.
6248         (rs6000_gimplify_va_arg): Likewise.
6249         (rs6000_split_multireg_move): Likewise.
6250         (rs6000_output_function_epilogue): Likewise.
6251         (rs6000_output_function_epilogue): Likewise.
6252         (rs6000_register_move_cost): Likewise.
6253         (rs6000_function_value): Likewise.
6254         (rs6000_libcall_value): Likewise.
6255
6256 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6257
6258         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6259
6260 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6261
6262         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6263         Use $MULTIDIR to choose between the kernel and RTP headers,
6264         and use $WIND_BASE and $WIND_USR to locate them.
6265
6266 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6267
6268         * config/i386/i386.c (override_options): Put initialization of
6269         ix86_tune_mask and ix86_arch_mask to the correct place.
6270
6271 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6272             Michael Meissner  <michael.meissner@amd.com>
6273
6274         PR target/31019
6275         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6276         (ARCHMASK): Define.
6277         (TARGET_CMOVE): Use ARCHMASK.
6278         (TARGET_CMPXCHG): Ditto.
6279         (TARGET_CMPXCHG8B): Ditto.
6280         (TARGET_XADD): Ditto.
6281         (TARGET_BSWAP): Ditto.
6282         * config/i386/i386.c (ix86_tune_mask): New global variable.
6283         (ix86_arch_mask): Ditto.
6284         (override_options): Initialize ix86_tune_mask and
6285         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6286         target_flags.
6287
6288 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6289
6290         PR 30992
6291         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6292
6293 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6294
6295         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6296         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6297         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6298         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6299         hook.
6300         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6301         rs6000_init_dwarf_reg_sizes_extra): New.
6302         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6303         SPE register high parts.
6304
6305 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6306
6307         * Makefile.in: Add install-pdf target as
6308         copied from automake v1.10 rules.
6309         * configure.ac: Add install-pdf to target list.
6310         * configure: Regenerate.
6311
6312 2007-03-01  Paul Brook  <paul@codesourcery.com>
6313
6314         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6315         modes to LDRD for DImode.
6316         (output_move_double): Fixup out of range ldrd/strd.
6317         (vfp_secondary_reload_class): Rename...
6318         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6319         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6320         coproc_secondary_reload_class for CLASS_IWMMXT.
6321         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6322         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6323
6324 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6325
6326         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6327         factor by the estimated number of iterations.
6328         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6329         prefetch latency.
6330
6331         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6332         decode_caches_intel, detect_caches_intel): New functions.
6333         (host_detect_local_cpu): Use detect_caches_amd and
6334         detect_caches_intel.
6335
6336 2007-03-01  Richard Henderson  <rth@redhat.com>
6337
6338         * expr.c (emit_move_complex_push): Export.
6339         (emit_move_complex_parts): Split out from ...
6340         (emit_move_complex): ... here.
6341         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6342         * config/i386/i386.md (movcdi): New.
6343
6344 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6345
6346         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6347         size of mode1 to check for tieable modes in MMX case.
6348
6349 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6350
6351         * Makefile.in (rtlanal.o): Depend on tree.h.
6352         * rtl.h (offset_within_section_p, split_const): Declare.
6353         * rtlanal.c: Include tree.h.
6354         (offset_within_block_p): New function, taken from
6355         mips_offset_within_object_p.
6356         (split_const): New function, taken from mips_split_const.
6357         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6358         Declare.
6359         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6360         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6361         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6362         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6363         (m68k_illegitimate_symbolic_constant_p): New function.
6364         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6365         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6366         symbolic constant that might be outside the symbol's section,
6367         move the symbol first and then add the offset.
6368         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6369         Override.
6370         * config/mips/mips.c (mips_split_const): Delete.
6371         (mips_offset_within_object_p): Delete.
6372         (mips_symbolic_constant_p): Use offset_within_section_p and
6373         split_const instead of mips_offset_within_object_p and
6374         mips_split_const.
6375         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6376         (mips_legitimize_const_move, print_operand_reloc)
6377         (mips_dangerous_for_la25_p): Use split_const instead of
6378         mips_split_const.
6379
6380 2007-02-28  Eric Christopher  <echristo@apple.com>
6381
6382         * Makefile.in (install-include-dir): Don't rm -rf include.
6383
6384 2007-02-28  Richard Guenther  <rguenther@suse.de>
6385
6386         PR middle-end/30364
6387         * fold-const.c (fold_binary): Do not associate expressions
6388         with more than one variable for integer types that do not wrap.
6389
6390 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6391
6392         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6393         Delete, and replace with...
6394         (fold_builtin_call_array): This.  Update callers to use it.
6395         * fold-const.c (fold_build_call_list): Delete, and replace with...
6396         (fold_build_call_array): This.
6397         (fold_build_call_list_initializer): Delete, and replace with...
6398         (fold_build_call_array_initializer): This.
6399         * tree.h: Update declarations to reflect above changes.
6400
6401         * c-typeck.c (build_function_call): Store converted arguments
6402         in a stack-allocated array instead of building a list.
6403         (convert_arguments): Store arguments in the array passed in as an
6404         argument, and return the actual number of arguments.
6405         * c-format.c: (check_function_format): Pass arguments in an
6406         array instead of a list.
6407         * c-common.c (check_function_nonnull): Likewise.
6408         (check_function_sentinel): Likewise.
6409         (check_function_arguments): Likewise.
6410         * c-common.h: Update declarations to reflect above changes.
6411
6412 2007-02-28  Jan Hubicka  <jh@suse.cz>
6413
6414         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6415         PRED_NEGATIVE_RETURN): Update outcomes.
6416
6417 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6418
6419         * calls.c (emit_library_call_value_1): Handle partial registers
6420         correctly when building up CALL_INSN_FUNCTION_USAGE.
6421
6422 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6423
6424         * pa/predicates.md (move_src_operand): Allow zero for mode.
6425         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6426         move pattern.
6427
6428 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6429
6430         PR target/30970
6431         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6432         *movv2df_internal): Enable pattern only for valid operand
6433         combinations.
6434         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6435         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6436
6437 2007-02-27  Mike Stump  <mrs@apple.com>
6438
6439         * config/darwin-crt3.c: Avoid compilation when compiling for a
6440         kext multilib.
6441
6442 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6443
6444         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6445         FIXED_INCLUDE_DIR.
6446         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6447         for fixed headers and limits.h.
6448         (install-include-dir, install-headers-tar, install-headers-cpio,
6449         install-headers-cp, real-install-headers-tar,
6450         real-install-headers-cpio, real-install-headers-cp): Handle
6451         include-fixed as well as include.
6452         (install-mkheaders): Don't install files that go only in include
6453         not include-fixed.
6454         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6455         from GCC_INCLUDE_DIR.
6456         * gcc.c (process_command): Remove special -BstageN/ handling.
6457         (do_spec_1): Add include-fixed directories.
6458
6459 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6460
6461         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6462         _smulsi3_highpart.
6463         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6464         New functions.
6465         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6466         patterns.
6467
6468 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6469
6470         * c-common.c (get_priority): Add check for
6471         SUPPORTS_INIT_PRIORITY.
6472
6473 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6474
6475         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6476
6477         * config/bfin/bfin.c: Include "cfglayout.h".
6478         (MAX_LSETUP_DISTANCE): New macro.
6479         (struct loop_info): New members incoming, incoming_src and
6480         incoming_dest.  Delete member predecessor.
6481         (length_for_loop): New function.
6482         (bfin_optimize_loop): Handle more different loop structures.
6483         (bfin_discover_loop): Rework detection of predecessor blocks by
6484         examining incoming edges.
6485         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6486         bfin_reorg_loops.
6487         (bfin_reorder_loops): New function.
6488         (bfin_reorg_loops): Use these three new functions.
6489
6490         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6491         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6492         (CONSTRAINT_LEN): Add entry for 'q'.
6493         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6494         Add 'q' constraints.
6495         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6496         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6497
6498         * config/bfin/bfin.md (add_with_carry): New pattern.
6499         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6500         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6501         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6502         support unsigned multiplies too.  Removed incorrect commutativity from
6503         operand 1 constraint where appropriate.
6504         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6505         patterns.
6506         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6507         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6508         New patterns.
6509         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6510         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6511         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6512         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6513         usmulhisi_hh_huh): New patterns.
6514
6515         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6516         lshifthi3): Fix output template to use half reg for operand 2.
6517
6518         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6519         instead of R2.
6520
6521         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6522
6523 2007-02-27  Andreas Schwab  <schwab@suse.de>
6524
6525         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6526
6527 2007-02-27  Jan Hubicka  <jh@suse.cz>
6528
6529         * predict.c (last_basic_block_p): Remove.
6530         (tree_estimate_probability): Update return heuristic for commonized
6531         return blocks.
6532
6533 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6534
6535         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6536
6537 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6538
6539         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6540         * doc/cpp.texi: Standardize title page.
6541         * doc/cppinternals.texi: Likewise.
6542         * doc/gcc.texi: Standardize title page, remove version number
6543         from copyright page.
6544         * doc/gccint.texi: Likewise.
6545         * doc/install.texi: Standardize title page, add table of
6546         contents.
6547
6548 2007-02-26  Jan Hubicka  <jh@suse.cz>
6549
6550         * predict.def: Set outcomes according to more recent results.
6551         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6552         Remove dead predictors.
6553         * predict.c (return_prediction): Fix pasto.
6554
6555 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6556
6557         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6558         change; avoid a memory leak when returning early.
6559
6560 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6561
6562         * c-decl.c (static_ctors): Move to c-common.c.
6563         (static_dtors): Likewise.
6564         (finish_function): Use c_record_cdtor_fn.
6565         (build_cdtor): Move to c-common.c.
6566         (c_write_global_declarations): Use c_build_cdtor_fns.
6567         * c-common.h (static_ctors): Declare.
6568         (static_dtors): Likewise.
6569         (c_record_cdtor_fn): Likewise.
6570         (c_build_cdtor_fns): Likewise.
6571         * c-common.c (static_ctors): New variable.
6572         (static_dtors): Likewise.
6573         (c_record_cdtor_fn): New function.
6574         (build_cdtor): Move from c-decl.c
6575         (c_build_cdtor_fns): New function.
6576
6577         * output.h (assemble_addr_to_section): Declare.
6578         (get_cdtor_priority_section): Likewise.
6579         * varasm.c (assemble_addr_to_section): New function.
6580         (get_cdtor_priority_section): Likewise.
6581         (default_named_section_asm_out_destructor): Use them.
6582         (destor_dtor_section_asm_out_destructor): Likewise.
6583         (default_named_section_asm_out_constructor): Likewise.
6584         (default_ctor_section_asm_out_constructor): Likewise.
6585         * config.gcc (*-*-vxworks*): Include vxworks.o.
6586         * config/t-vxworks (vxworks.o): New target.
6587         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6588         (TARGET_ASM_CONSTRUCTOR): Define.
6589         (TARGET_ASM_DESTRUCTOR): Likewise.
6590         (vxworks_asm_out_constructor): Declare.
6591         (vxworks_asm_out_destructor): Likewise.
6592
6593         * c-common.c (get_priority): Check that we have not just an
6594         INTEGER_CST, but an integer constant with integeral type.
6595
6596 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6597
6598         PR tree-optimization/30938
6599         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6600         use &dt[nargs-1] instead of &dt[nargs] in the call to
6601         vect_is_simple_use().
6602
6603 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6604
6605         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6606         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6607         Do not attempt to handle MEM inside auto-inc expressions.
6608         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6609         of a register modified by an auto-inc expression.  However, do handle
6610         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6611         (elimination_effects): Prohibit elimination of a register modified
6612         by an auto-inc expression.  Disable register elimination rules whose
6613         target register is modified by an auto-inc expression with variable
6614         increment.
6615
6616 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6617
6618         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6619         off-by-one error.
6620         (array_at_struct_end_p): New function.
6621         (idx_infer_loop_bounds): Use it.
6622         (estimate_numbers_of_iterations_loop): Export.
6623         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6624         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6625         (tree_estimate_probability): Call record_loop_exits.
6626         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6627         (estimated_loop_iterations, estimated_loop_iterations_int,
6628         estimated_loop_iterations_tree): New functions.
6629         (analyze_siv_subscript_cst_affine,
6630         compute_overlap_steps_for_affine_1_2,
6631         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6632         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6633         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6634         (PRED_LOOP_ITERATIONS_GUESSED): New.
6635         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6636         * cfgloop.h (estimate_numbers_of_iterations_loop,
6637         estimated_loop_iterations_int): Declare.
6638
6639 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6640
6641         * doc/extend.texi: Document optional priority argument to
6642         constructors and destructors.
6643         * tree.c (init_priority_for_decl): Adjust GTY markers.
6644         (init_ttree): Use priority-info hash functions for
6645         init_priority_for_decl.
6646         (tree_map_eq): Rename to ...
6647         (tree_map_base_eq): ... this.
6648         (tree_map_marked_p): Rename to ...
6649         (tree_map_base_marked_p): ... this.
6650         (tree_map_base_hash): New function.
6651         (decl_init_priority_lookup): Rework.
6652         (decl_fini_priority_lookup): New function.
6653         (decl_priority_info): New function.
6654         (decl_init_priority_insert): Use it.
6655         (decl_fini_priority_insert): Likewise.
6656         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6657         hierarchy.
6658         (decl_restrict_base_insert): Likewise.
6659         (decl_debug_expr_insert): Likewise.
6660         (decl_value_expr_lookup): Likewise.
6661         (decl_value_expr_insert): Likewise.
6662         * tree.h (priority_type): New type.
6663         (decl_init_priority_lookup): Use priority_type.
6664         (decl_fini_priority_lookup): New function.
6665         (decl_init_priority_insert): Use priority_type.
6666         (decl_fini_priority_insert): New function.
6667         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6668         (DECL_INIT_PRIORITY): Likewise.
6669         (SET_DECL_INIT_PRIORITY): Add comment.
6670         (DECL_FINI_PRIORITY): New macro.
6671         (SET_DECL_FINI_PRIORITY): Likewise.
6672         (DEFAULT_INIT_PRIORITY): Document.
6673         (MAX_INIT_PRIORITY): Likewise.
6674         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6675         (tree_map_base): New type.
6676         (tree_map_base_eq): New function.
6677         (tree_map_base_hash): Likewise.
6678         (tree_map_base_marked_p): Likewise.
6679         (tree_map): Inherit from tree_map_base.
6680         (tree_map_eq): Make it a macro.
6681         (tree_map_marked_p): Likewise.
6682         (tree_int_map): Inherit from tree_map_base.
6683         (tree_int_map_eq): Make it a macro.
6684         (tree_int_map_hash): Likewise.
6685         (tree_int_map_marked_p): Likewise.
6686         (tree_priority_map): New type.
6687         (tree_priority_map_eq): New macro.
6688         (tree_priority_map_hash): Likewise.
6689         (tree_priority_map_marked_p): Likewise.
6690         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6691         hierarchy.
6692         (emutls_common_1): Likewise.
6693         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6694         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6695         of tree_map hierarchy.
6696         * tree-cfg.c (move_stmt_r): Likewise.
6697         (new_label_mapper): Likewise.
6698         * c-tree.h (c_expand_body): Move to ...
6699         * c-common.h (c_expand_body): ... here.
6700         * c-decl.c (c_expand_body): Move to ...
6701         * c-common.c (c_expand_body): ... here.
6702         (c_common_attribute_table): Allow 1 argument for the constructor
6703         and destructor attributes.
6704         (get_priority): New function.
6705         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6706         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6707
6708 2007-02-24  Jan Hubicka  <jh@suse.cz>
6709
6710         PR middle-end/30509
6711         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6712
6713 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6714             Jan Hubicka  <jh@suse.cz>
6715
6716         PR target/30778
6717         * i386.c (counter_mode): New function.
6718         (expand_set_or_movmem_via_loop): Use it.
6719         (expand_movmem_epilogue): Likewise; fix pasto.
6720         (ix86_expand_movmem): Do emit guard even for constant counts.
6721         (ix86_expand_setmem): Likewise.
6722
6723 2007-02-25  Nick Clifton  <nickc@redhat.com>
6724
6725         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6726         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6727
6728 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6729
6730         PR target/30770
6731         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6732         count argument with 0x10, not with 0x16.
6733         (expand_setmem_epilogue): Ditto.
6734
6735 2007-02-24  Mike Stump  <mrs@apple.com>
6736
6737         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6738         symbols.
6739
6740 2007-02-24  Richard Guenther  <rguenther@suse.de>
6741
6742         PR middle-end/30951
6743         * fold-const.c (fold_binary): Fold x +- CST op x for
6744         EQ_EXPR and NE_EXPR.
6745
6746 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6747
6748         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6749
6750 2007-02-24  Jan Hubicka  <jh@suse.cz>
6751
6752         * cgraphunit.c (decide_is_function_needed): Honor
6753         -fkeep-inline-functions.
6754
6755 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6756
6757         * builtins.c (fold_builtin_modf): New.
6758         (fold_builtin_2): Use it.
6759
6760 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6761
6762         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6763         (determine_max_iter): Take additional LOOP arg; all callers changed.
6764         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6765         one using simplifications.
6766         (simplify_using_initial_values): Return if the expression becomes
6767         invalid due to altered regs.
6768
6769 2007-02-23  DJ Delorie  <dj@redhat.com>
6770
6771         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6772
6773 2007-02-23  Mike Stump  <mrs@apple.com>
6774
6775         * tlink.c (scan_linker_output): Parse linker messages from
6776         darwin9's linker better.
6777
6778 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6779
6780         PR debug/29614
6781         * varpool.c (varpool_assemble_pending_decls):  Set
6782         varpool_last_needed_node to null.
6783
6784 2007-02-23  DJ Delorie  <dj@redhat.com>
6785
6786         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6787         alignment bigger than the object file can handle.
6788
6789 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6790
6791         PR target/30825
6792         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6793         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6794         (*movsf_1): Penalize MMX moves.
6795
6796 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6797
6798         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6799         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6800
6801         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6802
6803 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6804
6805         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6806         (fold_builtin_1): Use them.
6807         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6808         BUILT_IN_SIGNIFICAND.
6809
6810 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6811
6812         * config/i386/i386.c (bdesc_1arg): Initialize
6813         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6814         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6815         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6816         and IX86_BUILTIN_MOVSLDUP.
6817
6818 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6819
6820         PR rtl-optimization/30841
6821         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6822
6823 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6824
6825         * builtins.c (fold_builtin_frexp): New.
6826         (fold_builtin_2): Use it.
6827
6828 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6829
6830         * doc/invoke.texi (Spec Files): Document getenv spec function.
6831
6832         * gcc.c (getenv_spec_function): New function.
6833         (static_spec_functions): Add it.
6834         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6835         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6836         header files.
6837
6838 2007-02-22  Michael Matz  <matz@suse.de
6839
6840         PR c++/29433
6841         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6842         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6843
6844 2007-02-22  Ian Lance Taylor  <iant@google.com>
6845
6846         PR debug/30898
6847         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6848         (mem_loc_descriptor): Call it.
6849
6850 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6851             Ira Rosen  <irar@il.ibm.com>
6852
6853         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6854
6855 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6856
6857         PR tree-optimization/30843
6858         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6859         stores only after all the group is vectorized.
6860
6861 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6862
6863         PR tree-optimization/30858
6864         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6865         in the reduction cycle have a single use in the loop.
6866         * tree-vectorizer.h (relevant): Add documentation.
6867
6868 2007-02-20  Mike Stump  <mrs@apple.com>
6869
6870         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6871         * configure: Regenerate.
6872
6873 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6874
6875         Change the defaults of some parameters and options.
6876         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6877         * config/spu/spu.c (spu_optimization_options): Add.
6878         (spu_override_options): Change params in spu_optimization_options.
6879         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6880
6881         Register 127 is only 16 byte aligned when used as a frame pointer.
6882         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6883         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6884         HARD_FRAME_POINTER_REGNUM.
6885         (spu_legitimate_address):  Use regno_aligned_for_reload.
6886         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6887         aligned when frame_pointer_needed is true.
6888         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6889         to 8 bits.
6890         * config/spu/spu.h (INIT_EXPANDERS): Define.
6891
6892         Make sure shift and rotate instructions have valid immediate operands.
6893         * config/spu/predicates.md (spu_shift_operand): Remove.
6894         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6895         * config/spu/constraints.md (W, O): Extend range.
6896         * config/spu/spu.md (umask, nmask): Define.
6897         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6898         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6899         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6900         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6901         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6902         (lshr<mode>3_reg):  Fix rtl description.
6903
6904         Make sure mulhisi immediate operands are valid.
6905         * config/spu/predicates.md (imm_K_operand): Add.
6906         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6907
6908         Generate constants using fsmbi and andi.
6909         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6910         (print_operand, spu_split_immediate, classify_immediate,
6911         fsmbi_const_p): Handle IC_FSMBI2.
6912
6913         Correctly handle a CONST_VECTOR containing symbols.
6914         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6915         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6916         (immediate_load_p): Allow symbols that use 2 instructions to create.
6917         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6918         with symbols when flag_pic is set.
6919         (const_vector_immediate_p): New.
6920         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6921         accept a CONST_VECTOR with symbols.
6922         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6923         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6924         correctly.
6925         * config/spu/spu.md (high, low): Delete.
6926         (low_<mode>): Define.
6927
6928         Remove INTRmode and INTR_REGNUM, which didn't work.
6929         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6930         of INTR_REGNUM.
6931         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6932         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6933         peephole2 pattern): Don't use INTR or 131.
6934         (movintrcc): Delete.
6935         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6936         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6937         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6938         (UNSPEC_SET_INTR): Add.
6939         * config/spu/spu-modes.def (INTR): Remove.
6940
6941         More accurate warnings about run-time relocations.
6942         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6943
6944         Correctly warn about immediate arguments to specific intrinsics.
6945         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6946         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6947         the instruction predicate.
6948
6949         Fix tree check errors with latest update.
6950         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6951         CALL_EXPR_ARG.
6952         (spu_expand_builtin): Use CALL_EXPR_FN.
6953
6954         Add missing specific intrinsics.
6955         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6956         si_bislede.
6957         * config/spu/spu_internals.h: Ditto.
6958
6959         Fix incorrect operand modifiers.
6960         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6961         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6962
6963         Optimize one case of zero_extend of a vec_select.
6964         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6965
6966         Accept any immediate for hbr.
6967         * config/spu/spu.md (hbr):  Change s constraints to i.
6968
6969 2007-02-21  Paul Brook  <paul@codesourcery.com>
6970
6971         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6972         condexec_count when skipping USE and CLOBBER.
6973
6974 2007-02-21  Nick Clifton  <nickc@redhat.com>
6975
6976         * common.opt (Warray-bounds): Add Warning attribute.
6977         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6978         Likewise.
6979         (fsized-zeroes): Add Optimization attribute.
6980         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6981         * c.opt (Wc++0x-compat): Add Warning attribute.
6982
6983 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6984
6985         PR middle-end/30761
6986         * reload1.c (eliminate_regs_in_insn): In the single_set special
6987         case, attempt to re-recognize the insn before falling back to
6988         having reload fix it up.
6989
6990 2007-02-20  Eric Christopher  <echristo@gmail.com>
6991
6992         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6993         Rewrite accordingly.
6994         (frv_read_iacc_argument): Ditto.
6995         (frv_expand_set_builtin): Take a call instead of arglist, update for
6996         above changes.
6997         (frv_expand_unop_builtin): Ditto.
6998         (frv_expand_binop_builtin): Ditto.
6999         (frv_expand_cut_builtin): Ditto.
7000         (frv_expand_binopimm_builtin): Ditto.
7001         (frv_expand_voidbinop_builtin): Ditto.
7002         (frv_expand_int_void2arg): Ditto.
7003         (frv_expand_prefetches): Ditto.
7004         (frv_expand_voidtriop_builtin): Ditto.
7005         (frv_expand_voidaccop_builtin): Ditto.
7006         (frv_expand_load_builtin): Ditto.
7007         (frv_expand_store_builtin): Ditto.
7008         (frv_expand_mdpackh_builtin): Ditto.
7009         (frv_expand_mclracc_builtin): Ditto.
7010         (frv_expand_mrdacc_builtin): Ditto.
7011         (frv_expand_mwtacc_builtin): Ditto.
7012         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
7013         calls for above.
7014
7015 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
7016
7017         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
7018         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
7019         cmpb instruction.
7020         (HAVE_GAS_DFP): Check for assembler support of decimal floating
7021         point instructions.
7022         * configure: Regenerate.
7023         * config.in: Regenerate.
7024         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
7025         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
7026         masks to power6 and power6x and to POWERPC_MASKS.
7027         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7028         _ARCH_PWR6.
7029         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
7030         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
7031         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7032         Access PROTOTYPE as variable, not mask.
7033
7034 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7035
7036         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
7037         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
7038         * combine.c (adjust_for_new_dest): Use it.
7039         * postreload.c (reload_combine): Likewise.
7040
7041 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
7042
7043         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
7044         notes on an insn with multiple sets, even if single_set returns
7045         non-NULL for that insn.
7046
7047 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7048
7049         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
7050         scalbn and scalbln.
7051
7052 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
7053
7054         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
7055         if user didn't pass it.
7056         * config/i386/darwin.h (CC1_SPEC): Likewise.
7057         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
7058         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
7059         -mmacosx-version-min.
7060
7061 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7062             Uros Bizjak  <ubizjak@gmail.com>
7063
7064         * optabs.h (enum optab_index): Add new OTI_scalb.
7065         (scalb_optab): Define corresponding macro.
7066         * optabs.c (init_optabs): Initialize scalb_optab.
7067         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
7068         patterns.
7069         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
7070         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
7071         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
7072         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
7073         flag_unsafe_math_optimizations is set.
7074
7075         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
7076         to implement scalbf, scalb and scalbl built-ins as inline x87
7077         intrinsics.
7078
7079 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7080             DJ Delorie <dj@redhat.com>
7081
7082         PR other/30824
7083         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
7084         (diagnostic_report_diagnostic): ... here, and turn them into real
7085         errors. If warnings are inhibited, no need to do anything.
7086
7087 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
7088
7089         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
7090         better code generation.
7091
7092 2007-02-20  Ben Elliston  <bje@au.ibm.com>
7093
7094         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
7095
7096 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
7097
7098         * config/alpha/alpha.c, config/alpha/alpha.md,
7099         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
7100         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
7101         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
7102         config/arm/lib1funcs.asm: Follow spelling conventions.
7103
7104         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
7105         config/fr30/fr30.md, config/i386/i386.h,
7106         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7107         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
7108         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
7109         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
7110         config/rs6000/altivec.md, config/rs6000/rs6000.c,
7111         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
7112         config/sparc/sparc.c, config/sparc/sparc.h,
7113         config/sparc/sparc.md, config/spu/constraints.md,
7114         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
7115         conventions.
7116
7117 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
7118
7119         PR target/29943
7120         * varasm.c (use_blocks_for_decl_p): Return false for decls with
7121         alias attribute.
7122
7123 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7124
7125         * doc/invoke.texi (-ftree-lrs): Remove.
7126
7127 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
7128
7129         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
7130         NULL.
7131
7132 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
7133
7134         * config/ia64/ia64.c (ia64_expand_builtin): Use the
7135         new CALL_EXPR_FN macro for retrieving the function
7136         declaration of the input expression.
7137
7138 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7139
7140         * c.opt (Waddress): New.
7141         * common.opt (Walways-true): Delete.
7142         (Wstring-literal-comparison): Delete.
7143         * doc/invoke.texi (Warning Options): Delete -Walways-true and
7144         -Wstring-literal-comparison. Add -Waddress.
7145         (Waddress): New.
7146         (Walways-true): Delete.
7147         (Wstring-literal-comparison): Delete.
7148         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
7149         consistently instead of -Walways-true in example.
7150         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
7151         * c-typeck.c (parser_build_binary_op): Replace
7152         -Wstring-literal-comparison and -Walways-true with -Waddress.
7153         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
7154         with -Waddress.
7155
7156 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7157
7158         * tree-cfg.c (dump_function_to_file): Be prepared for functions
7159         without DECL_STRUCT_FUNCTION initialized.
7160
7161 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
7162
7163         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
7164         due to calls to functions taking pointers as parameters.
7165
7166 2007-02-19  Richard Henderson  <rth@redhat.com>
7167
7168         PR debug/29558
7169         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
7170         in memory.
7171
7172 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7173
7174         * config/s390/s390.c (s390_call_saved_register_used,
7175         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
7176         accessed to the new scheme.
7177
7178 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7179
7180         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
7181         (cris_print_index, cris_print_operand, cris_print_operand_address)
7182         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
7183         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
7184         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7185         GET_CODE () == xxx.
7186         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7187         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7188         GO_IF_LEGITIMATE_ADDRESS): Ditto.
7189         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7190         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7191         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7192         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7193         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7194         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7195         (uminsi3, call, call_value): Ditto.
7196         (define_split: indir_to_reg_split, unnamed): Ditto.
7197
7198 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
7199
7200         PR tree-optimization/30975
7201         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7202         wrong assert.
7203
7204 2007-02-18  Eric Christopher  <echristo@gmail.com>
7205
7206         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7207         Remove use of arglist.
7208         (mips_expand_builtin): Remove use of arglist, pass in expr.
7209         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7210         (mips_expand_builtin_movtf): Ditto.
7211         (mips_expand_builtin_compare): Ditto.
7212
7213 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7214
7215         * tree-sra.c (sra_build_assignment): Replace assertion
7216         checking with a comment explaining why it can't be done.
7217
7218 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7219
7220         PR middle-end/30833
7221         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7222         during CALL_EXPR representation conversion.
7223         * tree-ssa-propagate.c (set_rhs): Likewise.
7224
7225 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
7226
7227         * tree-sra.c (sra_build_assignment): Disable assertion checking
7228         for now.
7229
7230 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7231
7232         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7233         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7234         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7235         Likewise.
7236         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7237         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
7238         gimplify_init_ctor_eval_range, gimple_push_cleanup,
7239         gimplify_omp_for, gimplify_omp_atomic_pipeline,
7240         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7241         force_gimple_operand): Likewise.
7242         * ipa-cp.c (constant_val_insert): Likewise.
7243         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7244         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7245         perfect_nestify): Likewise.
7246         * langhooks.c (lhd_omp_assignment): Likewise.
7247         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7248         lower_copyprivate_clauses, lower_send_clauses,
7249         lower_send_shared_vars, expand_parallel_call,
7250         expand_omp_for_generic, expand_omp_for_static_nochunk,
7251         expand_omp_for_static_chunk, expand_omp_sections,
7252         lower_omp_single_copy, lower_omp_for_lastprivate,
7253         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7254         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7255         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7256         Likewise.
7257
7258 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7259
7260         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7261         config/sh/sh.md: Follow spelling conventions.
7262
7263         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7264         config/frv/predicates.md: Follow spelling conventions.
7265
7266         * config/m68k/linux-unwind.h: Fix a comment typo.
7267         * target.h: Follow spelling conventions.
7268
7269 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7270
7271         PR rtl-optimization/28173
7272         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7273         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7274         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7275         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7276         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7277
7278 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7279
7280         * builtins.c (fold_builtin_load_exponent): New.
7281         (fold_builtin_2): Use it.
7282
7283 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7284
7285         PR rtl-optimization/30773
7286         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7287         if we fail to attach a REG_EQUIV note.
7288
7289 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7290             Roger Sayle  <roger@eyesopen.com>
7291
7292         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7293
7294 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7295
7296         * calls.c (initialize_argument_information): Pass original EXP
7297         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7298         code to split complex arguments here, as part of initializing the
7299         ARGS array.
7300         (expand_call): Remove code that builds a list of arguments and
7301         inserts implicit arguments into it.  Instead, just count how many
7302         implicit arguments there will be so we can determine the size of
7303         the ARGS array, and let initialize_argument_information do the work.
7304         (split_complex_values): Delete unused function.
7305
7306 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7307
7308         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7309
7310 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7311
7312         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7313         for arg pointer based indexed addressing.
7314
7315 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7316
7317         * config/ia64/ia64.h, config/ia64/ia64.md,
7318         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7319         spelling conventions.
7320
7321 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7322
7323         * config/m68k/m68k.c (split_di): New.
7324         * config/m68k/m68k-protos.h: Declare split_di.
7325         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7326           Improve predicate handling and split constant shifts.
7327
7328 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7329
7330         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7331         parameter for register bitfield operations, general predicates
7332         cleanup
7333
7334 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7335
7336         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7337         * config/m68k/linux-unwind.h: New file.
7338
7339 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7340
7341         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7342         config/i386/athlon.md, config/ia64/ia64.md,
7343         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7344         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7345         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7346         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7347         tree-vect-transform.c: Fix comment typos.
7348
7349 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7350
7351         * sched-deps.c (find_insn_list): Remove.
7352         * sched-int.h: Remove the prototype for find_insn_list.
7353
7354 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7355
7356         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7357         to linker.
7358         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7359         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7360         darwin_rs6000_override_options.
7361         (C_COMMON_OVERRIDE_OPTIONS): Expect
7362         darwin_macosx_version_min to be non-NULL always.
7363         (TARGET_C99_FUNCTIONS): Likewise.
7364         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7365         (DARWIN_MINVERSION_SPEC): New.
7366         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7367         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7368         to cc1*.
7369         (DARWIN_MINVERSION_SPEC): New.
7370         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7371         value.
7372         * config/darwin-c.c (darwin_cpp_builtins): Expect
7373         darwin_macosx_version_min to be non-NULL always.
7374
7375         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7376
7377 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7378
7379         * config/i386/i386.h (x86_use_xchgb): New.
7380         (TARGET_USE_XCHGB): New macro.
7381         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7382         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7383         Split after reload into bswaphi for shifts of 8.
7384         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7385         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7386         or when optimizing for size.
7387
7388 2007-02-16  Richard Guenther  <rguenther@suse.de>
7389             Christian Bruel  <christian.bruel@st.com>
7390
7391         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7392         DECLs but prefer SSA_NAMEs over DECLs.
7393
7394 2007-02-16  Richard Guenther  <rguenther@suse.de>
7395
7396         * tree-flow-inline.h (single_imm_use_p): Remove.
7397         (zero_imm_uses_p): Likewise.
7398         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7399         instead of single_imm_use_p.
7400         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7401         zero_imm_uses_p.
7402
7403 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7404
7405         PR other/27843
7406         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7407         nested double- and backquotes.
7408
7409 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7410
7411         PR middle-end/30391
7412         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7413         should be unreachable.
7414         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7415         For the time being redirect GIMPLE_MODIFY_STMT to the new
7416         (renamed) build_gimple_modify_stmt_stat.
7417         (build2_gimple_stat): Rename to...
7418         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7419         Always build a GIMPLE_MODIFY_STMT node.
7420         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7421         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7422         declarations.
7423
7424         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7425         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7426         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7427         expand_complex_div_wide): Likewise.
7428         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7429         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7430         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7431         * tree-ssa-loop-manip.c (create_iv): Likewise.
7432         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7433         abs_replacement): Likewise.
7434         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7435         realify_fake_stores): Likewise.
7436
7437         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7438         node rather than a GIMPLE_MODIFY_STMT node.
7439         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7440         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7441         Likewise.
7442         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7443         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7444         GIMPLE_MODIFY_STMT.
7445
7446 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7447
7448         PR middle-end/30433
7449         * fold-const.c (fold_comparison): Add back the
7450         folding of constant complex comparisions.
7451
7452 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7453
7454         PR middle-end/30729
7455         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7456         effects unknown to this function, return early.
7457
7458 2007-02-15  Ian Lance Taylor  <iant@google.com>
7459
7460         * lower-subreg.c (move_eh_region_note): New static function.
7461         (resolve_simple_move): Call it.
7462         (decompose_multiword_subregs): Track blocks for which we resolve a
7463         simple move which is also a control flow insn.  Pass them to
7464         find_many_sub_basic_blocks.
7465         (pass_lower_subreg): Add TODO_verify_flow.
7466         (pass_lower_subreg2): Likewise.
7467
7468 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7469             Brooks Moses  <brooks.moses@codesourcery.com>
7470             Lee Millward  <lee.millward@codesourcery.com>
7471
7472         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7473         (VL_EXP_CLASS_P): New.
7474         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7475         TREE_CODE_LENGTH.
7476         (TREE_OPERAND_CHECK_CODE): Likewise.
7477         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7478         (TREE_RTL_OPERAND_CHECK): Likewise.
7479         (tree_operand_check_failed): Make second parameter the whole tree
7480         instead of its code.  Fixed callers.
7481         (VL_EXP_CHECK): New.
7482         (TREE_OPERAND_LENGTH): New.
7483         (VL_EXP_OPERAND_LENGTH): New.
7484         (CALL_EXPR_FN): New.
7485         (CALL_EXPR_STATIC_CHAIN): New.
7486         (CALL_EXPR_ARGS): New.
7487         (CALL_EXPR_ARG): New.
7488         (call_expr_nargs): New.
7489         (CALL_EXPR_ARGP): New.
7490         (build_nt_call_list): Declare.
7491         (build_vl_exp_stat): Declare.
7492         (build_vl_exp): New.
7493         (build_call_list): Declare.
7494         (build_call_nary): Declare.
7495         (build_call_valist): Declare.
7496         (build_call_array): Declare.
7497         (call_expr_arg): Declare.
7498         (call_expr_argp): Declare.
7499         (call_expr_arglist): Declare.
7500         (fold_build_call_list): Declare.
7501         (fold_build_call_list_initializer): Declare.
7502         (fold_call_expr): Declare to replace fold_builtin.
7503         (fold_builtin_fputs): Update to agree with modified definition.
7504         (fold_builtin_strcpy): Likewise.
7505         (fold_builtin_strncpy): Likewise.
7506         (fold_builtin_memory_chk): Likewise.
7507         (fold_builtin_stxcpy_chk): Likewise.
7508         (fold_builtin_strncpy_chk): Likewise.
7509         (fold_builtin_next_arg): Likewise.
7510         (fold_build_call_expr): Declare.
7511         (fold_builtin_call_list): Declare.
7512         (fold_builtin_call_valist): Declare.
7513         (build_call_expr): Declare.
7514         (validate_arglist): Update to agree with modified definition.
7515         (tree_operand_length): New.
7516         (call_expr_arg_iterator): New.
7517         (init_call_expr_arg_iterator): New.
7518         (next_call_expr_arg): New.
7519         (first_call_expr_arg): New.
7520         (more_call_expr_args_p): New.
7521         (FOR_EACH_CALL_EXPR_ARG): New.
7522
7523         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7524         and tcc_gimple_stmt.
7525         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7526         than sizeof (char *).
7527         (tree_size): Likewise.  Add case for tcc_vl_exp.
7528         (tree_node_structure): Add case for tcc_vl_exp.
7529         (contains_placeholder_p): Likewise.
7530         (substitute_in_expr): Likewise.
7531         (substitute_placeholder_in_expr): Likewise.
7532         (stabilize_reference_1): Likewise.
7533         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7534         to diagnose breakage of this interface for constructing CALL_EXPRs.
7535         (build_nt): Add similar assertion here.
7536         (build_nt_call_list): New.
7537         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7538         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7539         TREE_CODE_LENGTH.
7540         (get_callee_fndecl): Use new CALL_EXPR accessors.
7541         (tree_operand_check_failed): Change parameters to pass entire node
7542         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7543         (process_call_operands): New.
7544         (build_vl_exp_stat): New.
7545         (build_call_list): New.
7546         (build_call_nary): New.
7547         (build_call_valist): New.
7548         (build_call_array): New.
7549         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7550         (call_expr_arglist): New.
7551
7552         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7553         tcc_vl_exp instead of a fixed-size tcc_expression.
7554
7555         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7556         accessors for CALL_EXPRs.
7557         (AGGR_INIT_EXPR): Likewise.
7558
7559 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7560             Brooks Moses  <brooks.moses@codesourcery.com>
7561             Lee Millward  <lee.millward@codesourcery.com>
7562
7563         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7564         (expand_builtin_nonlocal_goto): Change parameter to be entire
7565         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7566         (expand_builtin_prefetch): Likewise.
7567         (expand_builtin_classify_type): Likewise.
7568         (mathfn_built_in): Return NULL_TREE instead of 0.
7569         (expand_errno_check): Use new CALL_EXPR accessors.
7570         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7571         Return NULL_RTX instead of 0.
7572         (expand_builtin_mathfn_2): Likewise.
7573         (expand_builtin_mathfn_3): Likewise.
7574         (expand_builtin_interclass_mathfn): Likewise.
7575         (expand_builtin_sincos): Likewise.
7576         (expand_builtin_cexpi): Likewise.
7577         (expand_builtin_int_roundingfn): Likewise.
7578         (expand_builtin_int_roundingfn_2): Likewise.
7579         (expand_builtin_pow): Likewise.
7580         (expand_builtin_powi): Likewise.
7581         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7582         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7583         accessors and constructors.  Return NULL_RTX instead of 0.
7584         (expand_builtin_strstr): Likewise.
7585         (expand_builtin_strchr): Likewise.
7586         (expand_builtin_strrchr): Likewise.
7587         (expand_builtin_strpbrk): Likewise.
7588         (expand_builtin_memcpy): Likewise.
7589         (expand_builtin_mempcpy): Likewise.
7590         (expand_builtin_mempcpy_args): New.
7591         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7592         (expand_builtin_memmove_args): New.
7593         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7594         (expand_movstr): Likewise.
7595         (expand_builtin_strcpy): Likewise.
7596         (expand_builtin_strcpy_args): New.
7597         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7598         (expand_builtin_strncpy): Likewise.
7599         (expand_builtin_memset): Likewise.
7600         (expand_builtin_memset_args): New.
7601         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7602         (expand_builtin_memcmp): Likewise.
7603         (expand_builtin_strcmp): Likewise.
7604         (expand_builtin_strncmp): Likewise.
7605         (expand_builtin_strcat): Likewise.
7606         (expand_builtin_strncat): Likewise.
7607         (expand_builtin_strspn): Likewise.
7608         (expand_builtin_strcspn): Likewise.
7609         (expand_builtin_args_info): Likewise.
7610         (expand_builtin_va_start): Likewise.
7611         (gimplify_va_arg_expr): Likewise.
7612         (expand_builtin_va_end): Likewise.
7613         (expand_builtin_va_copy): Likewise.
7614         (expand_builtin_frame_address): Likewise.
7615         (expand_builtin_alloca): Likewise.
7616         (expand_builtin_bswap): Likewise.
7617         (expand_builtin_unop): Likewise.
7618         (expand_builtin_fputs): Likewise.
7619         (expand_builtin_expect): Likewise.
7620         (expand_builtin_fabs): Likewise.
7621         (expand_builtin_copysign): Likewise.
7622         (expand_builtin_printf): Likewise.
7623         (expand_builtin_fprintf): Likewise.
7624         (expand_builtin_sprintf): Likewise.
7625         (expand_builtin_init_trampoline): Likewise.
7626         (expand_builtin_signbit): Likewise.
7627         (expand_builtin_fork_or_exec): Likewise.
7628         (expand_builtin_sync_operation): Likewise.
7629         (expand_builtin_compare_and_swap): Likewise.
7630         (expand_builtin_lock_test_and_set): Likewise.
7631         (expand_builtin_lock_release): Likewise.
7632         (expand_builtin): Likewise.
7633         (builtin_mathfn_code): Likewise.
7634
7635         (fold_builtin_constant_p): Pass call arguments individually instead
7636         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7637         accessors and constructors.  Return NULL_TREE instead of 0.
7638         (fold_builtin_expect): Likewise.
7639         (fold_builtin_classify_type): Likewise.
7640         (fold_builtin_strlen): Likewise.
7641         (fold_builtin_nan): Likewise.
7642         (integer_valued_real_p): Likewise.
7643         (fold_trunc_transparent_mathfn): Likewise.
7644         (fold_fixed_mathfn): Likewise.
7645         (fold_builtin_cabs): Likewise.
7646         (fold_builtin_sqrt): Likewise.
7647         (fold_builtin_cbrt): Likewise.
7648         (fold_builtin_cos): Likewise.
7649         (fold_builtin_cosh): Likewise.
7650         (fold_builtin_tan): Likewise.
7651         (fold_builtin_sincos): Likewise.
7652         (fold_builtin_cexp): Likewise.
7653         (fold_builtin_trunc): Likewise.
7654         (fold_builtin_floor): Likewise.
7655         (fold_builtin_ceil): Likewise.
7656         (fold_builtin_round): Likewise.
7657         (fold_builtin_int_roundingfn): Likewise.
7658         (fold_builtin_bitop): Likewise.
7659         (fold_builtin_bswap): Likewise.
7660         (fold_builtin_logarithm): Likewise.
7661         (fold_builtin_hypot): Likewise.
7662         (fold_builtin_pow): Likewise.
7663         (fold_builtin_powi): Likewise.
7664         (fold_builtin_exponent): Likewise.
7665         (fold_builtin_memset): Likewise.
7666         (fold_builtin_bzero): Likewise.
7667         (fold_builtin_memory_op): Likewise.
7668         (fold_builtin_bcopy): Deleted; call site changed to invoke
7669         fold_builtin_memory_op directly.
7670         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7671         (fold_builtin_strncpy): Likewise.
7672         (fold_builtin_memcmp): Likewise.
7673         (fold_builtin_strcmp): Likewise.
7674         (fold_builtin_strncmp): Likewise.
7675         (fold_builtin_signbit): Likewise.
7676         (fold_builtin_copysign): Likewise.
7677         (fold_builtin_isascii): Likewise.
7678         (fold_builtin_toascii): Likewise.
7679         (fold_builtin_isdigit): Likewise.
7680         (fold_builtin_fabs): Likewise.
7681         (fold_builtin_abs): Likewise.
7682         (fold_builtin_fmin_fmax): Likewise.
7683         (fold_builtin_carg): Likewise.
7684         (fold_builtin_classify): Likewise.
7685         (fold_builtin_unordered_cmp): Likewise.
7686
7687         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7688         New functions split out from fold_builtin_1.
7689         (fold_builtin_n): New.
7690         (fold_builtin_varargs): New.
7691         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7692         instead.
7693         (fold_call_expr): New.
7694         (build_function_call_expr): Rewrite to use new helper function.
7695         (fold_builtin_call_list): New.
7696         (build_call_expr): New.
7697         (fold_builtin_call_valist): New.
7698         (rewrite_call_expr): New.
7699         (validate_arg): New.
7700         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7701         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7702         accessors.
7703
7704         (fold_builtin_strstr):  Pass call arguments individually instead
7705         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7706         accessors and constructors.  Return NULL_TREE instead of 0.
7707         (fold_builtin_strchr): Likewise.
7708         (fold_builtin_strrchr): Likewise.
7709         (fold_builtin_strpbrk): Likewise.
7710         (fold_builtin_strcat): Likewise.
7711         (fold_builtin_strncat): Likewise.
7712         (fold_builtin_strspn): Likewise.
7713         (fold_builtin_strcspn): Likewise.
7714         (fold_builtin_fputs): Likewise.
7715         (fold_builtin_next_arg): Likewise.
7716         (fold_builtin_sprintf): Likewise.
7717
7718         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7719         NULL_RTX instead of 0.
7720         (expand_builtin_memory_chk): Likewise.
7721         (maybe_emit_chk_warning): Likewise.
7722         (maybe_emit_sprintf_chk_warning): Likewise.
7723
7724         (fold_builtin_object_size): Pass call arguments individually instead
7725         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7726         accessors and constructors.  Return NULL_TREE instead of 0.
7727         (fold_builtin_memory_chk): Likewise.
7728         (fold_builtin_stxcpy_chk): Likewise.
7729         (fold_builtin_strncpy_chk): Likewise.
7730         (fold_builtin_strcat_chk): Likewise.
7731         (fold_builtin_strcat_chk): Likewise.
7732         (fold_builtin_strncat_chk): Likewise.
7733         (fold_builtin_sprintf_chk): Likewise.
7734         (fold_builtin_snprintf_chk): Likewise.
7735         (fold_builtin_printf): Likewise.
7736         (fold_builtin_vprintf): Likewise.
7737
7738         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7739         constructors.
7740         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7741         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7742         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7743         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7744         (fold_unary): Likewise.
7745         (fold_binary): Likewise.
7746         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7747         ternary expressions.
7748         (fold): Add logic for tcc_vl_exp.
7749         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7750         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7751         (fold_build3_stat): Add assertion to flag broken interface for
7752         constructing CALL_EXPRs.
7753         (fold_build_call_list): New.
7754         (fold_build_call_list_initializer): New.
7755         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7756         constructors.
7757         (fold_strip_sign_ops): Likewise.
7758
7759 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7760             Brooks Moses  <brooks.moses@codesourcery.com>
7761             Lee Millward  <lee.millward@codesourcery.com>
7762
7763         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7764         accessors and dump arguments explicitly.
7765
7766         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7767         TREE_CODE_LENGTH.
7768         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7769         explicitly.
7770         (print_call_name): Use new CALL_EXPR accessors.
7771
7772         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7773         CALL_EXPR arguments explicitly instead of as a list.  Use
7774         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7775
7776         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7777         (vrp_visit_stmt): Likewise.
7778
7779         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7780         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7781         TREE_CODE_LENGTH.
7782         (force_move_till_expr): Likewise.
7783
7784         * targhooks.c (default_external_stack_protect_fail): Use
7785         build_call_expr instead of build_function_call_expr.
7786         (default_hidden_stack_protect_fail): Likewise.
7787
7788         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7789         build the call.
7790
7791         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7792         and walk arguments explicitly.
7793
7794         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7795         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7796         (expand_simple_operations): Likewise.
7797         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7798
7799         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7800         of TREE_CODE_LENGTH.
7801         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7802
7803         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7804         instead of TREE_CODE_LENGTH.
7805
7806         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7807         (tree_ic_transform): Likewise.
7808         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7809         parameter instead of arglist.  Fix callers.
7810         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7811         (tree_stringops_transform): Likewise.
7812         (tree_indirect_call_to_profile): Likewise.
7813         (tree_stringops_values_to_profile): Likewise.
7814
7815         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7816         (eliminate_tail_call): Likewise.
7817
7818         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7819
7820         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7821         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7822         operands.
7823         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7824
7825         * omp-low.c (build_omp_barrier): Use build_call_expr.
7826         (lower_rec_input_clauses): Likewise.
7827         (lower_reduction_clauses): Likewise.
7828         (expand_parallel_call): Likewise.
7829         (maybe_catch_exception): Likewise.
7830         (expand_omp_for_generic): Likewise.
7831         (expand_omp_for_static_nochunk): Likewise.
7832         (expand_omp_sections): Likewise.
7833         (lower_omp_single_simple): Likewise.
7834         (lower_omp_single_copy): Likewise.
7835         (lower_omp_master): Likewise.
7836         (lower_omp_ordered): Likewise.
7837         (lower_omp_critical): Likewise.
7838
7839         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7840         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7841
7842         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7843         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7844         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7845
7846         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7847         and generalize to handle any number of operands.
7848         (chrec_contains_undetermined): Likewise.
7849         (tree_contains_chrecs): Likewise.
7850         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7851
7852         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7853
7854         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7855         fold_call_expr instead of fold_builtin.
7856         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7857         match declarations there.
7858         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7859         updates.
7860
7861         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7862         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7863
7864         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7865         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7866
7867         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7868         accessors.
7869
7870         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7871         (execute_cse_sincos): Use new CALL_EXPR accessors.
7872
7873         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7874
7875         * gimple-low.c (lower_function_body): Use build_call_expr.
7876         (lower_builtin_setjmp): Likewise.
7877
7878         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7879         (set_storage_via_libcall): Likewise.
7880         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7881         instead of TREE_CODE_LENGTH.
7882         (expand_expr_real_1): Use new CALL_EXPR accessors.
7883
7884         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7885         generalize to handle any number of operands.
7886         (TB_parent_eq): Likewise.
7887
7888         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7889         (strip_builtin_expect): Likewise.
7890
7891         * function.c (gimplify_parameters): Use build_call_expr.
7892
7893         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7894         instead of TREE_CODE_LENGTH.
7895
7896         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7897         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7898
7899         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7900         iterators.
7901
7902         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7903         (gimplify_decl_expr): Likewise.
7904         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7905         Use new CALL_EXPR iterators.
7906         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7907         (gimplify_modify_expr_to_memset): Likewise.
7908         (gimplify_variable_sized_compare): Likewise.
7909         (gimplify_omp_atomic_fetch_op): Likewise.
7910         (gimplify_omp_atomic_pipeline): Likewise.
7911         (gimplify_omp_atomic_mutex): Likewise.
7912         (gimplify_function_tree): Likewise.
7913
7914         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7915         (call_expr_flags): Likewise.
7916         (expand_call): Likewise.
7917
7918         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7919         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7920         accessors.
7921
7922         * coverage.c (create_coverage): Use build_call_expr.
7923
7924         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7925         (temp_call_expr_obstack): New.
7926         (pool_copy_list): Delete.
7927         (temp_copy_call_expr): New.
7928         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7929         CALL_EXPR accessors.  Get rid of special goo for copying argument
7930         lists and use temp_copy_call_expr instead.
7931         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7932         CALL_EXPR accessors.
7933         (create_expression_by_pieces): Likewise.  Use build_call_array
7934         to construct the result instead of fold_build3.
7935         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7936         dealing with argument lists.
7937         (init_pre): Remove references to expression_node_pool and
7938         list_node_pool.  Init temp_call_expr_obstack instead.
7939         (fini_pre): Remove references to expression_node_pool and
7940         list_node_pool.
7941
7942         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7943         and walk arguments explicitly instead of as a list.
7944
7945         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7946         (mx_register_decls): Likewise.
7947         (mudflap_register_call): Likewise.
7948         (mudflap_finish_file): Likewise.
7949
7950         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7951         (ipa_callsite_compute_param): Likewise.
7952
7953         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7954         accessors and constructor.
7955
7956         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7957         accessors and constructor.
7958         (convert_tramp_reference): Likewise.
7959         (convert_call_expr): Likewise.
7960         (finalize_nesting_tree_1): Likewise.
7961
7962         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7963         accessors.
7964
7965         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7966
7967         * tree-inline.c (initialize_inlined_parameters): Pass entire
7968         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7969         accessors.
7970         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7971         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7972
7973         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7974         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7975         (vectorizable_reduction): Likewise.
7976         (vectorizable_call): Use new CALL_EXPR iterators.
7977         (vectorizable_conversion): Use build_call_expr.
7978         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7979         (vect_gen_widened_results_half): Use build_call_expr.
7980         (vect_setup_realignment): Likewise.
7981         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7982
7983         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7984         (pass_through_call): Likewise.
7985         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7986         fold_builtin.
7987
7988         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7989         (tree_gen_pow2_profiler): Likewise.
7990         (tree_gen_one_value_profiler): Likewise.
7991         (tree_gen_ic_func_profiler): Likewise.
7992         (tree_gen_average_profiler): Likewise.
7993         (tree_gen_ior_profiler): Likewise.
7994
7995         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7996         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7997         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7998
7999         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
8000         of TREE_CODE_LENGTH.
8001
8002         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
8003         of TREE_CODE_LENGTH.
8004
8005         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
8006         constructor.
8007         (convert_to_integer): Likewise.
8008
8009         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
8010         accessors.
8011
8012 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8013             Brooks Moses  <brooks.moses@codesourcery.com>
8014             Lee Millward  <lee.millward@codesourcery.com>
8015
8016         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
8017         accessors.
8018         * config/frv/frv.c (frv_expand_builtin): Likewise.
8019         * config/s390/s390.c (s390_expand_builtin): Likewise.
8020
8021         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
8022         (sparc_expand_builtin): Use new CALL_EXPR accessors.
8023
8024         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
8025         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
8026         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
8027         (ix86_expand_store_builtin): Likewise.
8028         (ix86_expand_unop_builtin): Likewise.
8029         (ix86_expand_unop1_builtin): Likewise.
8030         (ix86_expand_sse_compare): Likewise.
8031         (ix86_expand_sse_comi): Likewise.
8032         (ix86_expand_vec_init_builtin): Likewise.
8033         (ix86_expand_vec_ext_builtin): Likewise.
8034         (ix86_expand_vec_set_builtin): Likewise.
8035         (ix86_expand_builtin): Use new CALL_EXPR accessors.
8036
8037         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
8038         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8039
8040         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
8041         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8042         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
8043
8044         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
8045         build_call_expr.
8046         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8047         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
8048         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8049         (altivec_expand_abs_builtin): Likewise.
8050         (rs6000_expand_binop_builtin): Likewise.
8051         (altivec_expand_predicate_builtin): Likewise.
8052         (altivec_expand_lv_builtin): Likewise.
8053         (spe_expand_stv_builtin): Likewise.
8054         (altivec_expand_stv_builtin): Likewise.
8055         (rs6000_expand_ternop_builtin): Likewise.
8056         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
8057         (altivec_expand_st_builtin): Likewise.
8058         (altivec_expand_dst_builtin): Likewise.
8059         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
8060         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8061         (altivec_expand_vec_set_builtin): Likewise.
8062         (altivec_expand_vec_ext_builtin): Likewise.
8063         (altivec_expand_builtin): Use new CALL_EXPR accessors.
8064         (spe_expand_builtin): Likewise.
8065         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
8066         arglist.  Use new CALL_EXPR accessors.  Fix callers.
8067         (spe_expand_evsel_builtin): Likewise.
8068         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
8069         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
8070
8071         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
8072         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8073         (arm_expand_unop_builtin): Likewise.
8074         (arm_expand_builtin): Use new CALL_EXPR accessors.
8075
8076         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
8077         accessors.
8078
8079         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
8080         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
8081         (bfin_expand_unop_builtin): Likewise.
8082         (bfin_expand_builtin): Use new CALL_EXPR accessors.
8083
8084 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
8085             Brooks Moses  <brooks.moses@codesourcery.com>
8086             Lee Millward  <lee.millward@codesourcery.com>
8087
8088         * c-semantics.c (build_stmt): Add internal diagnostic check.
8089
8090         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
8091         accessors.  Print arguments explicitly instead of as a list.
8092
8093         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
8094
8095         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
8096         (c_finish_omp_flish): Likewise.
8097
8098         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
8099         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
8100         instead of TREE_CODE_LENGTH.
8101         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
8102         (c_warn_unused_result): Likewise.
8103
8104 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8105
8106         PR c/26494
8107         * doc/invoke.texi (Warning Options): Remove
8108         -Werror-implicit-function-declaration.
8109         (Wimplicit-function-declaration): Update description.
8110         * opts.c (common_handle_option): Move handling of -Werror=* to...
8111         (enable_warning_as_error): ...here.
8112         * opts.h (enable_warning_as_error): Declare.
8113         * c-decl.c (implicit_decl_warning): Unless
8114         -Wno-implicit-function-declaration is given, emit a pedwarn if
8115         -std=c99 or emit a warning if -Wimplicit-function-declaration.
8116         * c.opt (Wimplicit-function-declaration): Replace
8117         mesg_implicit_function_declaration with
8118         warn_implicit_function_declaration.
8119         * c-opts.c (c_common_handle_option):
8120         -Werror-implicit-function-declaration is exactly equal as
8121         -Werror=implicit-function-declaration.
8122         (set_Wimplicit): Replace mesg_implicit_function_declaration with
8123         warn_implicit_function_declaration.
8124         (c_common_post_options): -Wimplict-function-declaration is enabled
8125         by default by -std=c99, otherwise is disabled by default.
8126         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
8127
8128 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8129
8130         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
8131         DECL on the rhs to a DECL on the lhs for debug info purposes if the
8132         former is ignored but not the latter.
8133
8134 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
8135
8136         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
8137         is made and the reference doesn't use the alias set of its type,
8138         do not create the temporary using that type.
8139
8140 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
8141
8142         * jump.c: Remove prototypes for delete_computation and
8143         delete_prior_computation.
8144
8145 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8146
8147         * jump.c (get_label_after): Delete.
8148         (get_label_before, delete_computation, delete_jump,
8149         delete_prior_computation, follow_jumps): Move...
8150         * reorg.c (delete_computation, delete_prior_computation): ... here...
8151         (get_label_before, delete_jump): ... making these static ...
8152         (follow_jumps): ... and simplifying this since it only runs after
8153         reload.
8154         * rtl.h (get_label_after, get_label_before, delete_jump,
8155         follow_jumps): Delete prototypes.
8156
8157 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
8158
8159         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
8160
8161 2007-02-15  Nick Clifton  <nickc@redhat.com>
8162
8163         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
8164         order to prevent it from being munged by the target.
8165
8166 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
8167
8168         * config/i386/i386.md: Remove misleading comment.
8169
8170 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8171
8172         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
8173         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
8174         invalid patterns.
8175
8176 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8177
8178         * tree-sra.c (instantiate_missing_elements): Canonicalize
8179         bit-field types.
8180         (sra_build_assignment): New.
8181         (generate_copy_inout, generate_element_copy,
8182         generate_element_zero, generate_one_element_init): Use it.
8183
8184 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8185
8186         * tree-sra.c (instantiate_missing_elements): Canonicalize
8187         bit-field types.
8188         (sra_build_assignment): New.
8189         (generate_copy_inout, generate_element_copy,
8190         generate_element_zero, generate_one_element_init): Use it.
8191
8192 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
8193
8194         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8195         limbo die nodes.
8196
8197 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
8198
8199         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8200         types as aggregates not scalars.
8201         * function.c (assign_stack_temp_for_type): Likewise.
8202
8203 2007-02-14  Roger Sayle  <roger@eyesopen.com>
8204             Zdenek Dvorak  <dvorakz@suse.cz>
8205
8206         * tree-dump.c (dump_switch_p_1): Require exact match of the option
8207         name.
8208
8209 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
8210
8211         * passes.c (next_pass_1): Clear the next field of the copied
8212         pass structure.
8213
8214 2007-02-14  Richard Henderson  <rth@redhat.com>
8215
8216         * tree-sra.c (early_sra): New.
8217         (decl_can_be_decomposed_p): Deny va_list if early_sra.
8218         (tree_sra_early, pass_sra_early): New.
8219         * tree-pass.h (pass_sra_early): Declare.
8220         * passes.c (init_optimization_passes): Use it.
8221
8222 2007-02-14  Richard Guenther  <rguenther@suse.de>
8223
8224         * flags.h (issue_strict_overflow_warning): Convert to a macro.
8225
8226 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
8227
8228          PR tree-optimization/30771
8229         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8230         also phi nodes.
8231         (vect_analyze_operations): Induction phis can now be marked as
8232         used_in_loop.
8233         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8234         Update documentation accordingly.
8235
8236 2007-02-14  Nick Clifton  <nickc@redhat.com>
8237
8238         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8239         most 3 arguments are supported.
8240         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8241
8242 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
8243
8244         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8245         Ensure dst->current is valid.
8246
8247 2007-02-13  Paul Brook  <paul@codesourcery.com>
8248
8249         * config.gcc: Add arm*-*-uclinux-*eabi.
8250         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8251         (SUBTARGET_EXTRA_LINK_SPEC): Define.
8252         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8253         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8254         (LINK_SPEC): Define.
8255         (LIB_SPEC): Define.
8256         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8257         register.
8258         * config/arm/uclinux-eabi.h: New file.
8259         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8260         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8261         based targets.
8262
8263 2007-02-13  Ian Lance Taylor  <iant@google.com>
8264
8265         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8266         * flags.h (warn_strict_overflow): Declare.
8267         (enum warn_strict_overflow_code): Define.
8268         (issue_strict_overflow_warning): New static inline function.
8269         * opts.c (warn_strict_overflow): New variable.
8270         (common_handle_option): Handle OPT_Wstrict_overflow and
8271         OPT_Wstrict_overflow_.
8272         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8273         OPT_Wall.
8274         * fold-const.c: Include intl.h.
8275         (fold_deferring_overflow_warnings): New static variable.
8276         (fold_deferred_overflow_warning): New static variable.
8277         (fold_deferred_overflow_code): New static variable.
8278         (fold_defer_overflow_warnings): New function.
8279         (fold_undefer_overflow_warnings): New function.
8280         (fold_undefer_and_ignore_overflow_warnings): New function.
8281         (fold_deferring_overflow_warnings_p): New function.
8282         (fold_overflow_warning): New static function.
8283         (make_range): Add strict_overflow_p parameter.  Change all
8284         callers.
8285         (extract_muldiv, extract_muldiv_1): Likewise.
8286         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8287         tree_expr_nonnegative_p.
8288         (fold_negate_expr): Call fold_overflow_warning.
8289         (fold_range_test): Likewise.
8290         (fold_comparison): Likewise.
8291         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8292         instead of tree_expr_nonnegative_p.
8293         (tree_expr_nonnegative_warnv_p): Rename from
8294         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8295         (tree_expr_nonnegative_p): New function.
8296         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8297         strict_overflow_p parameter.
8298         (tree_expr_nonzero_p): New function.
8299         * passes.c (verify_interpass_invariants): New static function.
8300         (execute_one_pass): Call it.
8301         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8302         warnings.
8303         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8304         (estimate_numbers_of_iterations): Likewise.
8305         (scev_probably_wraps_p): Likewise.
8306         * tree-ssa-ccp.c: Include "toplev.h".
8307         (evaluate_stmt): Defer fold overflow warnings until we know we are
8308         going to optimize.
8309         (struct fold_stmt_r_data): Add stmt field.
8310         (fold_stmt_r): Defer fold overflow warnings until we know we
8311         optimized.
8312         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8313         (fold_stmt_inplace): Likewise.
8314         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8315         (cleanup_control_expr_graph): Defer fold overflow warnings until
8316         we know we are going to optimize.
8317         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8318         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8319         Likewise.
8320         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8321         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8322         * tree-ssa-loop-manip.c (create_iv): Likewise.
8323         * c-typeck.c (build_conditional_expr): Likewise.
8324         (build_binary_op): Likewise.
8325         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8326         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8327         (extract_range_from_unary_expr): Likewise.
8328         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8329         assuming that signed overflow does not occur.
8330         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8331         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8332         (fold_defer_overflow_warnings): Declare.
8333         (fold_undefer_overflow_warnings): Declare.
8334         (fold_undefer_and_ignore_overflow_warnings): Declare.
8335         (fold_deferring_overflow_warnings_p): Declare.
8336         (tree_expr_nonzero_warnv_p): Declare.
8337         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8338         of warning options.
8339         (Warning Options): Document -Wstrict-overflow.
8340         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8341         (tree-ssa-ccp.o): Likewise.
8342         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8343         (fold-const.o): Depend on intl.h.
8344
8345 2007-02-13  Ian Lance Taylor  <iant@google.com>
8346
8347         PR middle-end/30751
8348         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8349         addresses.
8350
8351 2007-02-13  Stuart Hastings  <stuart@apple.com>
8352
8353         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8354
8355 2007-02-13  Richard Henderson  <rth@redhat.com>
8356
8357         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8358         handled_component_p before looking for the indirect_ref.
8359
8360 2007-02-13  Richard Henderson  <rth@redhat.com>
8361
8362         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8363         remove flags clobber.
8364         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8365         (bswaphi_lowpart): New.
8366         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8367         remove TARGET_BSWAP test.  Delete expander of the same name.
8368
8369         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8370         (expand_unop): Use them.
8371
8372 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8373
8374         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8375         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8376         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8377         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8378         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8379         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8380         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8381         assembler dialect choice from asm templates.
8382
8383 2007-02-12  Richard Henderson  <rth@redhat.com>
8384
8385         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8386         (fixuns_trunc<SSEMODEF>si2): Use it.
8387         * config/i386/sse.md (vec_setv4sf_0): Export.
8388         * config/i386/i386.c (ix86_build_const_vector): Export.
8389         (ix86_split_convert_uns_si_sse): Rename from
8390         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8391         * config/i386/i386-protos.h: Update.
8392
8393 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8394
8395         PR c/29521
8396         * c-typeck.c (c_finish_return): Improve warning message.
8397
8398 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8399
8400         * alias.c (find_symbolic_term): Delete unused function.
8401
8402 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8403
8404         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8405         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8406         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8407
8408 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8409
8410         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8411         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8412         the function, temporarily point the debug interface to the null one.
8413
8414 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8415
8416         * dwarf2out.c (round_up_to_align): New static function.
8417         (field_byte_offset): Use it to round the offset.
8418
8419 2007-02-12  Richard Henderson  <rth@redhat.com>
8420
8421         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8422         (inswl_const): Export.
8423
8424 2007-02-12  Richard Henderson  <rth@redhat.com>
8425
8426         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8427         result mode of the libcall, convert back to outmode.
8428
8429 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8430
8431         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8432         (bswapdi2): New define_expand to implement 32-bit implementation.
8433
8434 2007-02-12  Nick Clifton  <nickc@redhat.com>
8435
8436         * doc/invoke.texi (Overall Options): Document --help=.
8437         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8438         (cc1_options): Pass --help= on to cc1.
8439         (display_help): Add description of --help=.
8440         (process_command): Add code to handle --help=.  Allow translated
8441         --help and --target-help switches to be passed on to compiler
8442         sub-process.
8443         (main): Remove unused if statement.
8444         * opts.c (columns): Remove.
8445         (LEFT_COLUMN): Define.
8446         (wrap_help): Add columns argument.
8447         (print_filtered_help): Change parameters to be an include bitmask,
8448         an exclude bitmask, an any bitmask and the column width.  Move the
8449         code to display the params list here.  Add code to display the
8450         status of options rather than their descriptions if the quiet flag
8451         is not active.
8452         (print_specific_help): Change parameters to be an include bitmask,
8453         an exclude bitmask and an any bitmask.  Move code to look up the
8454         column width here.  Decide upon the title for an options listing.
8455         (common_handle_options): Add code to handle --help=.  Adapt code
8456         for --help and --target-help to use the revised form of the
8457         print_specific_help function.
8458         (print_help): Delete.
8459         (print_param_help): Delete.
8460         (print_switch): Delete.
8461         * opts.h (cl_lang_count): Add prototype.
8462         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8463         CL_MAX_OPTION_CLASS): New defines.
8464         * optc-gen.awk: Add construction of cl_lang_count.
8465         * c.opt: Add Warning attribute to warning options and Optimization
8466         attribute to optimization options.
8467         * common.opt: Likewise.
8468         Add --help=.
8469         Add -fhelp and -ftarget-help as aliases for the transformed --help
8470         and --target-help options.
8471         * opt-functions.awk: Add code to handle Warning and Optimization
8472         attributes.
8473
8474 2007-02-12  Richard Henderson  <rth@redhat.com>
8475
8476         * config/alpha/constraints.md: New file.
8477         * config/alpha/alpha.c: Include tm-constrs.h.
8478         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8479         alpha_extra_constraint): Remove.
8480         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8481         * config/alpha/alpha-protos.h: Update.
8482         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8483         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8484         (EXTRA_CONSTRAINT): Remove.
8485         * config/alpha/alpha.md: Include constraints.md.
8486         (adddi splitter): Use satisfies_constraint_*.
8487         * config/alpha/predicates.md (add_operand): Likewise.
8488         (sext_add_operand, addition_operation): Likewise.
8489
8490 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8491
8492         PR tree-optimization/29145
8493         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8494         in our handling of restrict qualified pointers.
8495
8496 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8497
8498         PR middle-end/7651
8499         * doc/invoke.texi (Wunused-value): Update description.
8500         (Wextra): Delete item.
8501         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8502         value of Wunused-value.
8503         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8504         (c_finish_stmt_expr): Don't check extra_warnings.
8505         (emit_side_effect_warnings): The caller is responsible to check
8506         warn_unused_value.
8507
8508 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8509             Matt Thomas  <matt@3am-software.com>
8510
8511         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8512
8513 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8514
8515         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8516         comparisons of POPCOUNT against zero.
8517         (simplify_const_relational_operation): Likewise.
8518
8519 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8520
8521         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8522
8523 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8524
8525         * dwarf2out.c (root_type): Delete unused function.
8526
8527 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8528
8529         * genattrtab.c (contained_in_p): Delete unused function.
8530         (write_expr_attr_cache): Likewise.
8531
8532 2007-02-11  Jan Hubicka  <jh@suse.cz>
8533
8534         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8535         previous patch.
8536
8537 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8538
8539         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8540         to add the REG_EQ* note.
8541         * see.c (see_merge_one_use_extension): Likewise.
8542         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8543         turn REG_EQUAL notes into REG_EQUIV notes if the target
8544         register may have more than one set.
8545         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8546         * gcse.c (try_replace_reg): Likewise.
8547         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8548         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8549         more than one REG_EQUIV note.
8550         * reload1.c (gen_reload): Use set_unique_reg_note.
8551
8552 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8553
8554         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8555         (ix86_builtin_conversion): New function.
8556
8557 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8558
8559         PR target/29487
8560         * tree.h (DECL_REPLACEABLE_P): New macro.
8561         * except.c (set_nothrow_function_flags): Likewise.
8562
8563 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8564             Ira Rosen  <irar@il.ibm.com>
8565             Dorit Nuzman  <dorit@il.ibm.com>
8566
8567         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8568         * targhooks.c (default_builtin_vectorized_conversion): New.
8569         * targhooks.h (default_builtin_vectorized_function): New declaration.
8570         * target.h (struct vectorize): Add builtin_conversion field.
8571         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8572         stmt_vec_info_type value.
8573         (vectorizable_conversion): New declaration.
8574         * tree-vect-analyze.c (vect_analyze_operations): Add
8575         vectorizable_conversion call.
8576         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8577         * tree-vect-transform.c (vectorizable_conversion): New function.
8578         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8579         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8580         mode.
8581         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8582         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8583         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8584         or ALTIVEC_BUILTIN_VCFSX.
8585
8586 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8587
8588         PR target/30634
8589         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8590         CONST_DOUBLE and operand 0 is a hard register.
8591         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8592         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8593         is a hard floating-point register.
8594
8595 2007-02-10  Richard Henderson  <rth@redhat.com>
8596             Jakub Jelinek  <jakub@redhat.com>
8597             Alexandre Oliva  <aoliva@redhat.com>
8598
8599         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8600         * builtin-types.def (BT_WORD): Make unsigned.
8601         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8602         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8603         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8604         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8605         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8606         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8607         emulated tls.
8608         * expr.c (emutls_var_address): New.
8609         (expand_expr_real_1): Expand emulated tls.
8610         (expand_expr_addr_expr_1): Likewise.
8611         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8612         * output.h (emutls_finish): Declare.
8613         * toplev.c (compile_file): Call it.
8614         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8615         address before wrapping in CONST.
8616         * varasm.c (emutls_htab, emutls_object_type): New.
8617         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8618         (get_emutls_object_name, get_emutls_object_type): New.
8619         (get_emutls_init_templ_addr, emutls_decl): New.
8620         (emutls_common_1, emutls_finish): New.
8621         (assemble_variable): When emulating tls, swap decls; generate
8622         constructor for the emutls objects.
8623         (do_assemble_alias): When emulating tls, swap decl and target name.
8624         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8625         for emulated tls.
8626         * varpool.c (decide_is_variable_needed): Look at force_output.
8627         Recurse for emulated tls.
8628         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8629         with decide_is_variable_needed.
8630         * emutls.c: New file.
8631         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8632         tls_object for real tls.
8633
8634 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8635
8636         PR rtl-optimization/29599
8637         * reload1.c (eliminate_regs_in_insn): Take the destination
8638         mode into account when computing the offset.
8639
8640 2007-02-09  Stuart Hastings  <stuart@apple.com>
8641             Richard Henderson  <rth@redhat.com>
8642
8643         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8644         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8645         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8646         fixuns_truncdfhi2): New.
8647         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8648         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8649         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8650         (floatunssidf2): Allow nonimmediate source.
8651         * config/i386/sse.md (movdi_to_sse): New.
8652         (vec_concatv2di): Drop '*'.
8653         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8654         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8655         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8656         New.
8657         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8658         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8659         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8660         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8661         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8662         ix86_build_const_vector.
8663         (x86_emit_floatuns): Rewrite.
8664
8665 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8666
8667         * genautomata.c (longest_path_length): Delete unused function.
8668         (struct state): Delete unused longest_path_length.
8669         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8670         (get_free_state): Delete unused.
8671
8672 2007-02-09  Jan Hubicka  <jh@suse.cz>
8673
8674         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8675         * doc/invoke.texi (inline-unit-growth): Update default value.
8676
8677         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8678         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8679         (rebuild_cgraph_edges): Likewise.
8680         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8681         (dump_cgraph_node): Dump frequencies.
8682         (cgraph_clone_edge): Add frequency scales.
8683         (cgraph_clone_node): Add freuqnecy.
8684         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8685         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8686         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8687         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8688         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8689         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8690         (save_inline_function_body): Likewise.
8691         * ipa-inline.c: inluce rtl.h
8692         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8693         (cgraph_edge_badness): Use frequencies.
8694         (cgraph_decide_recursive_inlining): Update clonning.
8695         (cgraph_decide_inlining_of_small_function): Dump frequency.
8696         * predict.c (estimate_bb_frequencies): Export.
8697         * predict.h (estimate_bb_frequencies): Declare.
8698         * tree-inline.c (copy_bb): Watch overflows.
8699         (expand_call_inline): Update call of cgraph_create_edge.
8700         (optimize_inline_calls): Use TODO flags to update frequnecies.
8701         * passes.h: Include predict.h
8702         (init_optimization_passes): Move profile ahead.
8703         (execute_function_todo): Handle TODO_rebuild_frequencies.
8704
8705 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8706
8707         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8708         the insbl or inswl pattern into a register.
8709
8710 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8711
8712         * config/ia64/ia64.md (bswapdi2): New define_insn.
8713
8714 2007-02-09  Richard Henderson  <rth@redhat.com>
8715
8716         * config/i386/constraints.md (Ym): New constraint.
8717         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8718         (movdi_1_rex64): Split sse and xmm general register moves from
8719         memory move alternatives.  Use conditional register constraints.
8720         (movsf_1, movdf_integer): Likewise.
8721         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8722         (movdf_integer_rex64): New.
8723         (pushsf_rex64): Fix output constraints.
8724         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8725         (sse2_stored): Likewise.
8726         (sse2_storeq_rex64): New.
8727         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8728         amd and not generic.
8729         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8730         for optimize_size.  Remove SF/DFmode hack.
8731
8732 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8733
8734         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8735         (bit_SSE4a): New.
8736
8737 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8738             Richard Sandiford  <richard@codesourcery.com>
8739
8740         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8741         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8742         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8743         m68k/t-mlib to tmake_file.
8744         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8745         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8746         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8747         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8748         variable is not empty, add t-$m68k_arch_family to tmake_file.
8749         Add t-mlibs to tmake_file.
8750         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8751         * config/m68k/t-cf: New file.
8752         * config/m68k/t-m68k: Likewise.
8753         * config/m68k/t-mlibs: Likewise.
8754         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8755         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8756         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8757         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8758         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8759         Delete.
8760         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8761         (INSTALL_LIBGCC): Delete.
8762         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8763         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8764         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8765         (M68K_MLIB_CPU): Define.
8766         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8767         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8768         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8769
8770 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8771             Richard Guenther  <rguenther@suse.de>
8772
8773         PR middle-end/23361
8774         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8775         against INT_MIN/INT_MAX.
8776         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8777         file if a loop is removed.
8778
8779 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8780
8781         * calls.c (store_one_arg): Pass correct alignment to
8782         emit_push_insn for non-BLKmode values.
8783         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8784         unaligned stack slot via a suitably aligned slot.
8785
8786 2007-02-08  DJ Delorie  <dj@redhat.com>
8787
8788         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8789         warnings.
8790         (legal_subregs): Use unsigned char, make const.
8791         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8792
8793 2007-02-08  Paul Brook  <paul@codesourcery.com>
8794
8795         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8796         special interworking needed.
8797
8798 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8799
8800         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8801         conditional to __SSE2__.
8802         (Entries below should have been added to first ChangeLog
8803         entry for amdfam10 dated 2007-02-05)
8804         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8805         defined.
8806         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8807         defined.
8808         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8809         defined.
8810
8811 2007-02-08  DJ Delorie  <dj@redhat.com>
8812
8813         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8814         * config/m32c/m32c.c (legal_subregs): New.
8815         (m32c_illegal_subreg_p): New.
8816         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8817         unsupported subregs of hard regs.
8818
8819 2007-02-08  Jan Hubicka  <jh@suse.cz>
8820
8821         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8822         the same one; always update histograms.
8823
8824 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8825
8826         * passes.c (init_optimization_passes): Tidy comment.
8827
8828 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8829
8830         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8831         strip zero_extend, bswap and rotates from POCOUNT's argument.
8832         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8833         zero_extend and rotates from PARITY's argument.
8834         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8835         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8836         of an integer constant at compile-time.
8837
8838 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8839
8840         PR 30562
8841         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8842         Update all users.
8843         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8844         users.
8845         (init_alias_info):
8846         * tree-ssa-live.c (remove_unused_locals): Do not remove
8847         TREE_ADDRESSABLE variables.
8848         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8849         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8850         FOR_CLOBBER.  Update all users.
8851         If VAR has an associated alias set, add a virtual operand for
8852         it if no alias is found to conflict with the memory reference.
8853
8854 2007-02-07  Jan Hubicka  <jh@suse.cz>
8855             Robert Kidd <rkidd@crhc.uiuc.edu>
8856
8857         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8858
8859 2007-02-07  Ian Lance Taylor  <iant@google.com>
8860
8861         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8862
8863 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8864
8865         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8866         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8867         tablejumpdi, movsi_to_cr_one): Remove constraints from
8868         define_expand's match_operands.
8869
8870 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8871
8872         * global.c (compute_regsets): Move declatation of "i" inside of
8873         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8874
8875 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8876
8877         PR c++/30703
8878         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8879         of INDIRECT_REF <RESULT_DECL>.
8880
8881         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8882
8883 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8884             Kaz Kojima  <kkojima@gcc.gnu.org>
8885
8886         PR target/29746
8887         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8888         properly.
8889         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8890
8891 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8892
8893         * doc/loop.texi: Document possibility not to perform disambiguation
8894         of loops with multiple latches.
8895         * cfgloopmanip.c (alp_enum_p): Removed.
8896         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8897         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8898         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8899         the new forwarder block.
8900         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8901         Handle the case latch is NULL.
8902         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8903         when marking loop exits.
8904         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8905         be modified.
8906         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8907         disambiguate_loops_with_multiple_latches.
8908         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8909         before fix_loop_structure.
8910         * cfgloop.c: Include pointer-set.h and output.h.
8911         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8912         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8913         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8914         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8915         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8916         disambiguate_multiple_latches, get_loop_body_with_size,
8917         disambiguate_loops_with_multiple_latches): New functions.
8918         (flow_loop_dump): Dump multiple latch edges.
8919         (flow_loop_nodes_find): Handle loops with multiple latches.
8920         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8921         (glb_enum_p): Modified.
8922         (get_loop_body): Use get_loop_body_with_size.
8923         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8924         (AVOID_CFG_MODIFICATIONS): New constant.
8925         (disambiguate_loops_with_multiple_latches, add_loop,
8926         get_loop_body_with_size): Declare.
8927         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8928
8929 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8930
8931         PR inline-asm/28686
8932         * global.c (compute_regsets): New function.
8933         (global_alloc): Refactored ELIMINABLE_REGSET
8934         and NO_GLOBAL_ALLOC_REGS computation out.
8935         (rest_of_handle_global_alloc): Call compute_regsets()
8936         for non-optimizing case.
8937
8938 2007-02-06  Richard Henderson  <rth@redhat.com>
8939
8940         * config/i386/constraints.md (Y2): Rename from Y.
8941         (Yi): New constraint.
8942         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8943         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8944         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8945         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8946         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8947         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8948         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8949         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8950         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8951         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8952         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8953         vec_extractv2si_1): Change Y constraints to Y2.
8954         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8955         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8956         Change Y constraints to Y2.
8957         (sse2_loadld): Change Y constraints to x.
8958
8959 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8960
8961         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8962         (parity<mode>2): New define_expand using rs6000_emit_parity.
8963         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8964         rs6000_emit_parity): New functions.
8965         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8966         rs6000_emit_parity): Prototype here.
8967
8968 2007-02-06  Ian Lance Taylor  <iant@google.com>
8969
8970         * lower-subreg.c (simple_move_operand): Reject CONST.
8971         (resolve_clobber): Call validate_change rather than directly
8972         assigning to XEXP (pat, 0).
8973
8974 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8975
8976         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8977         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8978         (tree-cfg.o): Remove hashtab.h dependency.
8979
8980         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8981         (struct ivopts_data): Change niters to pointer_map_t.
8982         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8983         (niter_for_exit): Create pointer_map on demand.  Change for
8984         pointer_map API.
8985         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8986         (free_loop_data): Destroy data->niters if created and reset field.
8987         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8988         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8989
8990         * tree-ssa-reassoc.c: Include pointer-set.h.
8991         (bb_rank): Change to long *.
8992         (operand_rank): Change to pointer_map_t.
8993         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8994         (insert_operand_rank): Accept long.
8995         (operand_entry_hash, operand_entry_eq): Remove.
8996         (get_rank): Return long.  Adjust for changes above.
8997         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8998         and operand_rank.
8999         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
9000
9001         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
9002         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
9003         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
9004         is not NULL.
9005         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
9006         directly since it cannot be NULL.
9007         (get_vi_for_tree): Rewrite for pointer_map API.
9008         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
9009         (init_alias_vars): Create vi_for_tree as pointer_map.
9010         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
9011
9012         * tree-cfg.c: Don't include hashtab.h.
9013         (edge_to_cases): Declare as pointer_map.
9014         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
9015         Delete.
9016         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
9017         (start_recording_case_labels): Create edge_to_cases as pointer_map.
9018         (end_recoding_case_labels): Cleanup edge_to_cases manually before
9019         destroying it.
9020         (record_switch_edge): Delete.
9021         (get_cases_for_edge): Adjust for pointer_map API, inline
9022         record_switch_edge (rewritten for new API), remove goto.
9023
9024 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
9025
9026         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
9027         * tree-nested.c: Include pointer-set.h.
9028         (var_map_elt, var_map_eq, var_map_hash): Delete.
9029         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
9030         to pointer_map_t's.
9031         (nesting_info_bitmap_obstack): New.
9032         (lookup_field_for_decl): Adjust for pointer_map API.
9033         (lookup_tramp_for_decl): Adjust for pointer_map API.
9034         (get_nonlocal_debug_decl): Adjust for pointer_map API.
9035         (get_local_debug_decl): Adjust for pointer_map API.
9036         (convert_nl_goto_reference): Adjust for pointer_map API.
9037         (convert_nl_goto_receiver): Adjust for pointer_map API.
9038         (create_nesting_tree): Create outside GGC space.  Create bitmap on
9039         the new obstack.  Create field_map and var_map as pointer_maps.
9040         (free_nesting_tree): Adjust for changes to create_nesting_tree.
9041         (root): Delete.
9042         (lower_nested_functions): Move root here, no need to NULL it.
9043         Initialize and release the obstack.
9044
9045 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
9046
9047         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
9048         Remove prototypes and make them non-static.
9049         (struct tree_int_map): Remove.
9050         * tree.h (struct tree_int_map): Move here, turning TO into an
9051         unsigned int.
9052         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
9053
9054         * tree.h (TREE_COMPLEXITY): Remove.
9055         (struct tree_exp): Remove complexity field.
9056         * tree.c (build1_stat): Don't set it.
9057
9058 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
9059             Victor Kaplansky  <victork@il.ibm.com>
9060
9061         * tree-vectorizer.c (vect_is_simple_use): Support induction.
9062         (vect_is_simple_reduction): Support reduction with induction as
9063         one of the operands.
9064         (vect_is_simple_iv_evolution): Fix formatting.
9065         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
9066         formatting.  Don't mark induction phis for vectorization.
9067         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
9068         * tree-vect-transform.c (get_initial_def_for_induction): New function.
9069         (vect_get_vec_def_for_operand): Support induction.
9070         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
9071         induction case.
9072         (vectorizable_reduction): Support reduction with induction as one of
9073         the operands.
9074         (vectorizable_type_demotion): Use def-type of stmt argument rather
9075         than dummy def-type.
9076
9077         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
9078         flag_tree_scev_cprop.
9079         * common.opt (tree-scev-cprop): New flag.
9080
9081         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
9082         call to vect_get_new_vect_var.
9083
9084 2007-02-06  Ira Rosen  <irar@il.ibm.com>
9085
9086         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
9087         vectype is not NULL.
9088         (vect_pattern_recog_1): Likewise.
9089
9090 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9091
9092         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
9093         (fold_negate_expr): Likewise.
9094
9095 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
9096
9097         PR debug/30189
9098         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
9099         even if cv-qualification is the same.
9100
9101 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
9102
9103         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
9104         __enable_execute_stack on completion.
9105
9106 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9107
9108         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
9109         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
9110         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
9111         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
9112         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
9113         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
9114         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
9115         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
9116
9117 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9118
9119         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
9120         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
9121         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
9122         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
9123         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
9124         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
9125         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
9126         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
9127         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
9128         umuldi3_highpart_rex64, umulsi3_highpart_insn,
9129         umulsi3_highpart_zext, smuldi3_highpart_rex64,
9130         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
9131         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
9132         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
9133         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
9134         sqrtextenddfxf2_i387): Added amdfam10_decode.
9135
9136         * config/i386/athlon.md (athlon_idirect_amdfam10,
9137         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
9138         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
9139         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
9140         athlon_ivector_store_amdfam10): New define_insn_reservation.
9141         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
9142         amdfam10.
9143
9144 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9145
9146         * config/i386/athlon.md (athlon_call_amdfam10,
9147         athlon_pop_amdfam10, athlon_lea_amdfam10): New
9148         define_insn_reservation.
9149         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
9150         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
9151         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
9152
9153 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9154
9155         * config/i386/athlon.md (athlon_sseld_amdfam10,
9156         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
9157         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
9158
9159 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9160
9161         * config/i386/athlon.md (athlon_sseins_amdfam10): New
9162         define_insn_reservation.
9163         * config/i386/i386.md (sseins): Added sseins to define_attr type
9164         and define_attr unit.
9165         * config/i386/sse.md: Set type attribute to sseins for insertq
9166         and insertqi.
9167
9168 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9169
9170         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
9171         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
9172         ssecomi_load_amdfam10, ssecomi_amdfam10,
9173         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
9174         define_insn_reservation.
9175         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
9176
9177 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9178
9179         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
9180         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
9181         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
9182         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
9183         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
9184         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
9185         define_insn_reservation.
9186
9187         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9188         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9189         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9190         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9191         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9192
9193 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9194
9195         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9196         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9197         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9198         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9199         athlon_ssemul_load_k8): Added amdfam10.
9200
9201 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9202
9203         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9204         (x86_sse_unaligned_move_optimal): New variable.
9205
9206         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9207         m_AMDFAM10.
9208         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9209         for unaligned vector SSE double/single precision loads for AMDFAM10.
9210
9211 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9212
9213         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9214         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9215         Define TARGET_CPU_DEFAULT_amdfam10.
9216         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9217         (processor_type): Add PROCESSOR_AMDFAM10.
9218
9219         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9220         processor_type in config/i386/i386.h.
9221         Enable imul peepholes for TARGET_AMDFAM10.
9222
9223         * config.gcc: Add support for --with-cpu option for amdfam10.
9224
9225         * config/i386/i386.c (amdfam10_cost): New variable.
9226         (m_AMDFAM10): New macro.
9227         (m_ATHLON_K8_AMDFAM10): New macro.
9228         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9229         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9230         x86_promote_QImode, x86_integer_DFmode_moves,
9231         x86_partial_reg_dependency, x86_memory_mismatch_stall,
9232         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9233         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9234         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9235         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9236         Enable/disable for amdfam10.
9237         (override_options): Add amdfam10_cost to processor_target_table.
9238         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9239         processor_alias_table.
9240         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9241         (ix86_adjust_cost): Add code for amdfam10.
9242
9243 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
9244
9245         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9246         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9247         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9248         * config/i386/i386.h: Add builtin definition for SSE4A.
9249         * config/i386/i386.md: Add support for ABM instructions
9250         (popcnt and lzcnt).
9251         * config/i386/sse.md: Add support for SSE4A instructions
9252         (movntss, movntsd, extrq, insertq).
9253         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9254         Add -march=amdfam10 flag.
9255         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9256         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9257         and amdfam10.
9258         * doc/extend.texi: Add documentation for SSE4A builtins.
9259
9260 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9261
9262         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9263
9264 2007-02-05  Richard Guenther  <rguenther@suse.de>
9265
9266         * tree-vectorizer.h (vectorizable_function): Add argument type
9267         argument, change return type.
9268         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9269         * tree-vect-transform.c (vectorizable_function): Handle extra
9270         argument, return vectorized function decl.
9271         (build_vectorized_function_call): Remove.
9272         (vectorizable_call): Handle calls with result and argument types
9273         differing.  Handle loop vectorization factor correctly.
9274         * targhooks.c (default_builtin_vectorized_function): Adjust for
9275         extra argument.
9276         * targhooks.h (default_builtin_vectorized_function): Likewise.
9277         * target.h (builtin_vectorized_function): Add argument type
9278         argument.
9279         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9280         extra argument, allow vectorizing of lrintf.
9281         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9282         documentation of target hook.
9283
9284 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9285
9286         PR target/30665
9287         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9288         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9289         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9290
9291 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9292
9293         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9294         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9295         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9296         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9297         before canonicalizing sincos to cexpi.
9298         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9299
9300 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9301
9302         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9303         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9304         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9305
9306 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9307
9308         * mips-tfile.c (initialize_init_file): Correct endianness test.
9309
9310 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9311
9312         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9313         the 'y' constraint.
9314
9315 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9316
9317         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9318         saves in a PARALLEL before the register assignments.
9319
9320 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9321
9322         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9323         DWARF_FRAME_RETURN_COLUMN to be a general register.
9324         * dwarf2out.c (init_return_column_size): New function, split from...
9325         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9326         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9327         to be nongeneral registers.
9328         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9329         integer registers.
9330         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9331         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9332
9333 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9334
9335         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9336
9337 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9338
9339         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9340         (remove_path): Use can_remove_branch_p and remove_branch instead
9341         of loop_delete_branch_edge.
9342         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9343         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9344         Update profile using scale_dominated_blocks_in_loop.
9345         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9346         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9347         (can_remove_branch_p, remove_branch): Declare.
9348         * tree-cfg.c (tree_can_remove_branch_p): New function.
9349         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9350         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9351         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9352
9353 2007-02-05  Jan Hubicka  <jh@suse.cz>
9354
9355         PR middle-end/30696
9356         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9357         nodes in cgraph, don't remove offline copy of the function.
9358
9359 2007-02-04  Jan Hubicka  <jh@suse.cz>
9360
9361         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9362         vectors might cause maybe_lookup_element_for_expr to be called
9363         on non-sra-candidate.
9364
9365 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9366
9367         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9368         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9369         spelling conventions.
9370
9371 2007-02-04  Richard Guenther  <rguenther@suse.de>
9372
9373         PR middle-end/30636
9374         * fold-const.c (try_move_mult_to_index): Make sure to not
9375         overflow one dimension of a multi-dimensional array access.
9376
9377 2007-02-04  Jan Hubicka  <jh@suse.cz>
9378
9379         * passes.c (init_optimization_passes): Reindent.
9380
9381 2007-02-04  Jan Hubicka  <jh@suse.cz>
9382             Eric Botcazou  <ebotcazou@adacore.com>
9383
9384         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9385         (execute_fixup_cfg): Break out the abnormal goto code.
9386         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9387         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9388         (optimize_inline_calls): Call make_nonlocal_label_edges.
9389
9390 2007-02-04  Jan Hubicka  <jh@suse.cz>
9391
9392         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9393         true when something was changed.
9394         (rename_ssa_copies): When something was changed, do
9395         TODO_remove_unused_locals.
9396         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9397         add TODO_remove_unused_locals when instruction was removed.
9398
9399 2007-02-04  Jan Hubicka  <jh@suse.cz>
9400
9401         * ipa-inline.c (try_inline): Improve debug output; work on already
9402         inline edges too.
9403         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9404         call try_inline for already inlined edges too when flattening;
9405         inline also functions that make callee growth but overall unit size
9406         reduce.
9407
9408 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9409
9410         * config/m32c/bitops.md, config/m32c/jump.md,
9411         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9412         config/m32r/m32r.h, config/m32r/m32r.md,
9413         config/m32r/predicates.md, config/m68hc11/larith.asm,
9414         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9415         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9416         config/mips/mips-protos.h, config/mips/mips.c,
9417         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9418         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9419         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9420         spelling conventions.
9421
9422         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9423         Follow spelling conventions.
9424
9425 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9426
9427         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9428         warn about C++0x compatibility.
9429
9430 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9431
9432         * config/h8300/h8300.c, config/h8300/h8300.h,
9433         config/h8300/h8300.md: Follow spelling conventions.
9434
9435 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9436
9437         PR middle-end/30667
9438         * combine.c (try_combine): Do not substitute source operand
9439         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9440
9441 2007-02-03  Jan Hubicka  <jh@suse.cz>
9442
9443         PR gcov-profile/30650
9444         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9445         do not divide by zero for never executed counters.
9446         (tree_find_values_to_profile): Fix counters.
9447         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9448
9449 2007-02-03  Ian Lance Taylor  <iant@google.com>
9450
9451         * lower-subreg.c (simple_move_operand): New static function,
9452         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9453         operands.
9454         (simple_move): Call simple_move_operand.
9455         (find_decomposable_subregs): Add special handling of MEMs.
9456         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9457         meaning of return value.  If we see a hard register, test whether
9458         it can store a word_mode value.  Change all callers.
9459
9460 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9461
9462         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9463         ftrapv insns and expanders.
9464         (subdi3): Change define_expand operand 1 to arith11_operand, and
9465         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9466         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9467         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9468         respectively.
9469
9470         PR middle-end/30174
9471         * varasm.c (notice_global_symbol): Treat global objects as weak when
9472         flag_shlib is true.
9473
9474 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9475
9476         * emit-rtl.c (dconstpi): Delete.
9477         (dconstsqrt2): New.
9478         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9479         * real.h (dconstpi): Delete.
9480         (dconstsqrt2): New.
9481         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9482         (fold_builtin_hypot): Likewise.
9483
9484 2007-02-03  Tom Tromey  <tromey@redhat.com>
9485
9486         PR driver/30246
9487         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9488         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9489
9490 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9491
9492         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9493         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9494         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9495         config/rs6000/cell.md, config/rs6000/darwin.h,
9496         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9497         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9498         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9499         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9500         typos.  Follow spelling conventions.
9501         * doc/invoke.texi: Follow spelling conventions.
9502
9503 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9504
9505         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9506         canonicalization transformations that attempt to simplify integer
9507         constant comparisons to become comparisons against zero.
9508
9509 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9510
9511         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9512         fabs(x)*sqrt(2).
9513         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9514         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9515
9516 2007-02-02  Mike Stump  <mrs@apple.com>
9517
9518         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9519         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9520         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9521         generate a branch island.
9522
9523 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9524
9525         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9526         (xtensa_legitimate_address_p): New.
9527         (xtensa_legitimize_address): New.
9528         (xtensa_output_addr_const_extra): New.
9529         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9530         (BASE_REG_P): New.
9531         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9532         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9533         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9534         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9535         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9536         (xtensa_legitimize_address): New.
9537         (xtensa_output_addr_const_extra): New.
9538
9539 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9540
9541         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9542
9543 2007-02-02  Ian Lance Taylor  <iant@google.com>
9544
9545         * expmed.c (expand_divmod): Add comment.
9546
9547 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9548
9549         * emit-rtl.c (renumber_insns): Remove.
9550         * flags.h: Remove the extern for flag_renumber_insns.
9551         * rtl.h: Remove the prototype for renumber_insns.
9552         * toplev.c (flag_renumber_insns): Remove.
9553
9554 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9555
9556         Revert for x86 darwin:
9557         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9558
9559         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9560         code before the following patch under TARGET_MACHO.
9561         (ix86_function_value_regno_p): Likewise.
9562
9563 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9564
9565         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9566         COMPLEX_EXPR.
9567
9568 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9569
9570         PR target/29682
9571         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9572         general or fp registers.  Add comments.
9573         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9574
9575 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9576
9577         * pointer-set.c (insert_aux): Only return insertion slot.
9578         (pointer_set_insert): Adjust.
9579         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9580         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9581         pointer_map_traverse): New.
9582         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9583         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9584         pointer_map_contains, pointer_map_traverse): Declare.
9585
9586 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9587
9588         PR middle-end/30473
9589         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9590         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9591
9592 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9593
9594         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9595
9596         (struct _dep): New type.
9597         (dep_t): New typedef.
9598         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9599         (DEP_STATUS): New access macro.  The macro with the same name was
9600         renamed to DEP_LINK_STATUS.
9601         (dep_init): Declare function
9602
9603         (struct _dep_link): New type.
9604         (dep_link_t): New typedef.
9605         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9606         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9607         (DEP_LINK_STATUS): New macro.
9608         (debug_dep_links): New debug function.
9609
9610         (struct _deps_list): New type.
9611         (deps_list_t): New typedef.
9612         (DEPS_LIST_FIRST): New access macro.
9613         (FOR_EACH_DEP_LINK): New cycle macro.
9614         (create_deps_list, free_deps_list, delete_deps_list): Declare
9615         functions.
9616         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9617         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9618         (copy_deps_list_change_con): Ditto.
9619
9620         (move_dep_link): Declare function.
9621
9622         (struct _dep_node): New type.
9623         (dep_node_t): New typedef.
9624         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9625
9626         (struct haifa_insn_data.back_deps): New field to hold backward
9627         dependencies of the insn.
9628         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9629         to deps_list_t.
9630         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9631         Change its type to deps_list_t.
9632         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9633         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9634         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9635
9636         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9637
9638         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9639
9640         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9641         all callers.
9642         (dep_cost): Declare.
9643
9644         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9645         (ds_to_dk, dk_to_ds): New functions.
9646
9647         (init_dep_1): New static function.
9648         (init_dep): New function.
9649         (copy_dep): New static function.
9650
9651         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9652         functions.
9653         (detach_dep_link): New static function.
9654         (move_dep_link): New function.
9655
9656         (dep_links_consistent_p, dump_dep_links): New static functions.
9657         (debug_dep_links): New debugging function.
9658
9659         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9660
9661         (alloc_deps_list, init_deps_list): New static functions.
9662         (create_deps_list): New function.
9663         (clear_deps_list): New static function.
9664         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9665         (deps_list_consistent_p, dump_deps_list): New static functions.
9666         (debug_deps_list): New function.
9667         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9668         functions.
9669         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9670
9671         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9672         use new scheduler dependencies lists.
9673         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9674         (sched_analyze): Ditto.  Initialize dependencies lists.
9675         (add_forw_dep, compute_forward_dependences): Update to use new
9676         scheduler dependencies lists.
9677
9678         (init_dependency_caches): Init deps_obstack.
9679         (free_dependency_caches): Free deps_obstack.
9680
9681         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9682         new scheduler dependencies lists.
9683         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9684         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9685
9686         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9687         Update to use new scheduler dependencies lists.
9688         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9689         (debug_dependencies): Ditto.
9690         (schedule_region): Update comments.
9691
9692         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9693         scheduler dependencies lists.
9694         (schedule_ebb): Update comments.
9695
9696         * rtl.def (DEPS_LIST): Remove.
9697
9698         * lists.c (unused_deps_list): Remove.
9699         (free_list): Update assertions.
9700
9701         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9702         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9703
9704         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9705         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9706
9707         * haifa-sched.c (comments): Update.
9708         (insn_cost1): Remove.  Inline the code into insn_cost ().
9709         (insn_cost): Update to use new scheduler dependencies lists.  Move
9710         processing of the dependency cost to dep_cost ().
9711         (dep_cost): New function.  Use it instead of insn_cost () when
9712         evaluating cost of the dependency.  Use compatible interface to
9713         interact with the target.
9714         (priority): Update to use new scheduler dependencies lists.
9715         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9716         with greater number of insns that depend on the insn.
9717         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9718         code to free backward dependencies lists.  Inline and optimize code
9719         from resolve_dep () - see PR28071.
9720         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9721         lists.  Update call to targetm.sched.is_costly_dependence hook.
9722
9723         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9724         scheduler dependencies lists.
9725
9726         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9727         (init_h_i_d): Initialize dependencies lists.
9728
9729         (process_insn_depend_be_in_spec): Rename to
9730         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9731         dependencies lists.
9732         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9733         Update to use new scheduler dependencies lists.
9734         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9735
9736         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9737         new scheduler dependencies lists.
9738         (build_intra_loop_deps): Ditto.
9739
9740         * target.h (struct _dep): Declare to use in
9741         gcc_target.sched.is_costly_dependence.
9742         (struct gcc_target.sched.adjust_cost): Fix typo.
9743         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9744         single dep_t parameter instead of an equivalent triad.
9745         (struct gcc_target.sched.adjust_cost_2): Remove.
9746
9747         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9748
9749         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9750
9751         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9752         documentation.
9753         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9754
9755         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9756         (REG_DEP_TRUE): Document.
9757
9758         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9759         Change signature to correspond to the targetm.sched.adjust_cost hook.
9760         Update use in TARGET_SCHED_ADJUST_COST_2.
9761         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9762         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9763         new scheduler dependencies lists.
9764         (ia64_gen_check): Ditto.
9765
9766         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9767         dependencies lists.
9768
9769         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9770         signature to correspond to the targetm.sched.is_costly_dependence hook.
9771         (is_costly_group): Update to use new scheduler dependencies lists.
9772
9773         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9774         instead of INSN_COST () macro.
9775
9776 2007-02-01  Ian Lance Taylor  <iant@google.com>
9777
9778         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9779
9780 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9781
9782         * pa.md (tp_load): Correct mfctl instruction syntax.
9783
9784 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9785
9786         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9787         altivec_padding_size calculation on AIX.  Improve comment, add
9788         assert to verify that it's right.
9789
9790         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9791         64-bit.
9792
9793 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9794
9795         PR inline-asm/28686
9796         * global.c (global_alloc): Add mising initialization of
9797         ELIMINABLE_REGSET.
9798
9799 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9800
9801         * alias.c (init_alias_analysis): Correct whitespace.
9802         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9803         partition_hot_cold_basic_blocks): Likewise.
9804         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9805         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9806         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9807         fold_builtin_snprintf_chk, fold_builtin_printf,
9808         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9809         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9810         * cfgcleanup.c (cleanup_cfg): Likewise.
9811         * cfgexpand.c (tree_expand_cfg): Likewise.
9812         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9813         * function.c (get_next_funcdef_no): Likewise.
9814         * gengtype.c (main): Likewise.
9815         * genmodes.c (main): Likewise.
9816         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9817         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9818         * ifcvt.c (noce_emit_move_insn): Likewise.
9819         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9820         Likewise.
9821         * stor-layout.c (get_best_mode): Likewise.
9822         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9823         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9824         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9825         perform_var_substitution, solve_graph): Likewise.
9826         * tree-vrp.c (vrp_finalize): Likewise.
9827
9828 2007-02-01  Ian Lance Taylor  <iant@google.com>
9829
9830         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9831         high part of a paradoxical subreg, return a constant zero.
9832
9833 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9834
9835         * toplev.c (lang_dependent_init): Call init_set_costs.
9836         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9837
9838 2007-02-01  Richard Guenther  <rguenther@suse.de>
9839
9840         PR middle-end/30656
9841         * fold-const.c (fold_negate_expr): Allow negating a
9842         constant if overflow does not change.
9843
9844 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9845
9846         * doc/c-tree.texi (Expression trees): Improve markup.
9847         * doc/tm.texi (Register Classes, Addressing Modes)
9848         (Floating Point): Fix spacing after abbreviations.  Fix some
9849         typos.
9850
9851 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9852
9853         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9854         * doc/contrib.texi: Likewise.
9855         * doc/install.texi: Likewise.
9856
9857 2007-01-31  Richard Henderson  <rth@redhat.com>
9858             Ian Lance Taylor  <iant@google.com>
9859
9860         * lower-subreg.c: New file.
9861         * rtl.def (CONCATN): Define.
9862         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9863         pass_lower_subreg2.
9864         * emit-rtl.c (update_reg_offset): New static function, broken out
9865         of gen_rtx_REG_offset.
9866         (gen_rtx_REG_offset): Call update_reg_offset.
9867         (gen_reg_rtx_offset): New function.
9868         * regclass.c: Revert patch of 2006-03-05, restoring
9869         reg_scan_update.
9870         (clear_reg_info_regno): New function.
9871         * dwarf2out.c (concatn_loc_descriptor): New static function.
9872         (loc_descriptor): Handle CONCATN.
9873         * common.opt (fsplit_wide_types): New option.
9874         * opts.c (decode_options): Set flag_split_wide_types when
9875         optimizing.
9876         * timevar.def (TV_LOWER_SUBREG): Define.
9877         * rtl.h (gen_reg_rtx_offset): Declare.
9878         (reg_scan_update): Declare.
9879         * regs.h (clear_reg_info_regno): Declare.
9880         * tree-pass.h (pass_lower_subreg): Declare.
9881         (pass_lower_subreg2): Declare.
9882         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9883         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9884         -fsplit-wide-types.
9885         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9886         * Makefile.in (OBJS-common): Add lower-subreg.o.
9887         (lower-subreg.o): New target.
9888
9889 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9890
9891         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9892
9893 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9894
9895         PR target/19087
9896         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9897
9898 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9899
9900         PR middle-end/29335
9901         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9902
9903 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9904
9905         * cfgloop.h: Include vec-prim.h.
9906         (enum li_flags): Remove LI_ONLY_OLD.
9907         (loop_iterator): Changed.
9908         (fel_next, fel_init): Iterate over loop tree.
9909         (FOR_EACH_LOOP_BREAK): New macro.
9910         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9911         FOR_EACH_LOOP.
9912         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9913         * modulo-sched.c (sms_schedule): Ditto.
9914         * tree-vectorizer.c (vectorize_loops): Ditto.
9915         * doc/loop.texi: Update information on loop numbering and behavior of
9916         FOR_EACH_LOOP wrto new loops.
9917         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9918         add_to_evolution_1): Test nestedness of loops instead of comparing
9919         their numbers.
9920         * tree-chrec.c (chrec_fold_plus_poly_poly,
9921         chrec_fold_multiply_poly_poly, chrec_evaluate,
9922         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9923         reset_evolution_in_loop): Ditto.
9924         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9925
9926 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9927
9928         * c-common.c (warn_about_parentheses): Separate warning about
9929         un-parenthized sequence of comparison operators from the one
9930         which is supposed to warn about x <= y <= z.
9931
9932 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9933
9934         * optabs.h (enum optab_index): Add new OTI_isinf.
9935         (isinf_optab): Define corresponding macro.
9936         * optabs.c (init_optabs): Initialize isinf_optab.
9937         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9938         patterns.
9939         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9940         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9941         using isinf_optab.
9942         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9943         expand_builtin_interclass_mathfn.
9944         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9945         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9946         (fxam<mode>2_i387): New insn pattern.
9947         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9948         built-in functions as x87 inline asm.
9949
9950 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9951
9952         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9953
9954 2007-01-30  Eric Christopher  <echristo@apple.com>
9955
9956         * config.gcc: Add geode.
9957
9958 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9959
9960         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9961         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9962         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9963         value-prof.c: Fix comment typos.
9964
9965 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9966
9967         PR c++/24745
9968         * doc/invoke.texi (Wpointer-arith): Document warning.
9969
9970 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9971
9972         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9973         the list of discrepancies from the draft TR.
9974
9975 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9976
9977         PR c++/30601
9978         * doc/invoke.texi (-Wreturn-type): Update description to
9979         match new behavior.
9980
9981 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9982
9983         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9984
9985 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9986
9987         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9988         to handle optabs that operate on floating point input argument and
9989         output to integer output.
9990         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9991         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9992         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9993         expand_builtin_interclass_mathfn ().
9994         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9995         (ilogbsi2): Remove.
9996         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9997         ilogbl built-in functions as x87 intrinsics.
9998
9999 2007-01-30  Richard Guenther  <rguenther@suse.de>
10000
10001         PR middle-end/27657
10002         * dwarf2out.c (reference_to_unused): Query varpool if the
10003         variable was output.
10004
10005 2007-01-30  Richard Guenther  <rguenther@suse.de>
10006
10007         PR middle-end/30313
10008         * passes.c (execute_one_pass): Reset in_gimple_form to not
10009         confuse non-unit-at-a-time mode.
10010
10011 2007-01-29  Roger Sayle  <roger@eyesopen.com>
10012             Richard Guenther  <rguenther@suse.de>
10013
10014         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
10015         avoid undefined behaviour on overflow.  Use force_fit_type_double
10016         to construct the constant with the specified TREE_OVERFLOW.
10017
10018 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10019
10020         * config/dfp-bit.c: Add parameterized support for fp exceptions.
10021         * config/dfp-bit.h: Ditto.
10022
10023 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10024
10025         * c-decl.c (pop_scope): Replace warnings with call to
10026         warn_for_unused_label.
10027         * c-common.h (warn_for_unused_label): Declare.
10028         * c-common.c (warn_for_unused_label): Define.
10029
10030 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10031
10032         * tree-optimize.c (update_inlined_to_pointers): Delete unused
10033         function.
10034
10035 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
10036
10037         * Makefile.in (USER_H): Remove decfloat.h.
10038         * ginclude/decfloat.h: Delete, moving contents to ...
10039         * ginclude/float.h: Add support for decimal floating point,
10040         guarded by __STDC_WANT_DEC_FP__.
10041
10042 2007-01-29  Mike Stump  <mrs@apple.com>
10043
10044         * doc/gccint.texi (Top): Rename Loop Representation to Loop
10045         Analysis and Representation to resolve case insensitive conflict.
10046         * doc/loop.texi (Loop Analysis and Representation): Likewise.
10047
10048 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
10049
10050         * tree.h (struct tree_memory_tag): Add aliases member.
10051         (MTAG_ALIASES): New macro.
10052         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
10053         (add_may_alias): Remove pointer-set. Update for may_aliases being
10054         a bitmap.
10055         (mark_aliases_call_clobbered): Update for may_aliases being a
10056         bitmap.
10057         (compute_tag_properties): Ditto.
10058         (create_partition_for): Ditto.
10059         (compute_memory_partitions): Ditto.
10060         (dump_may_aliases_for): Ditto.
10061         (is_aliased_with): Ditto.
10062         (add_may_alias_for_new_tag): Ditto.
10063         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
10064         (compute_is_aliased): New function.
10065         (compute_may_aliases): Call compute_is_aliased).
10066         (init_alias_info): Initialize alias_bitmap_obstack.
10067         (union_alias_set_into): New function.
10068         (compute_flow_sensitive_aliasing): Use union_aliases_into.
10069         (have_common_aliases_p): Rewrite to take two bitmaps and use
10070         intersection.
10071         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
10072         Update for bitmaps.
10073         (finalize_ref_all_pointers): Update for add_may_alias changes.
10074         (new_type_alias): Ditto.
10075         * tree-flow-inline.h (may_aliases): Return a bitmap.
10076         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
10077         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
10078         may_aliases being a bitmap.
10079         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
10080         may_aliases now returns a bitmap.
10081         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
10082         being a bitmap.
10083         * tree-ssa-operands.c (add_virtual_operand): Update for
10084         may_aliases being a bitmap.
10085
10086 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
10087
10088         PR tree-optimization/30630
10089         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
10090         variable as changed.
10091
10092 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
10093
10094         PR c++/28266
10095         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
10096         expanded only once even if an error occurs.
10097
10098 2007-01-29  Ben Elliston  <bje@au.ibm.com>
10099
10100         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
10101         (__gcov_average_profiler): Likewise.
10102         (__gcov_ior_profiler): Likewise.
10103         (__gcov_merge_ior): Likewise.
10104
10105 2007-01-28  Jan Hubicka  <jh@suse.cz>
10106
10107         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
10108         * value-prof.c (stringop_block_profile): Likewise.
10109
10110 2007-01-28  Jan Hubicka  <jh@suse.cz>
10111
10112         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
10113         variant handling histograms; add wrapper.
10114         (clear_storage_via_libcall): Export.
10115         (emit_block_move_hints): Break out from ...; add histograms.
10116         (emit_block_move): ... this one.
10117         (clear_storage_hints): Break out from ...; add histograms.
10118         (clear_storage): ... this one.
10119         (set_storage_via_memset): Handle histogram.
10120         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
10121         (clear_storage_hints, clear_storage_via_libcall): Declare.
10122         (set_storage_via_setmem): Update prototype.
10123         * doc/md.texi (movmem, setmem): Document new arguments.
10124
10125         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
10126         new histograms.
10127         (stringop_block_profile): New global function.
10128         (tree_stringops_values_to_profile): Profile block size and alignment.
10129         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
10130         HIST_TYPE_IOR.
10131         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
10132         (stringop_block_profile): Declare.
10133         * builtins.c: Include value-prof.h.
10134         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
10135         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
10136         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
10137         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
10138         * profile.c (instrument_values): Add new counters.
10139         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
10140         calls.
10141         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
10142         (tree_init_edge_profiler): Build new profilers.
10143         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
10144         (pass_tree_profile): Add dump.
10145         (tree_profile_hooks): Update.
10146         * Makefile.in (LIBGCOV): Add new constants.
10147         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
10148         __gcov_ior_profiler): New.
10149         * i386.md (movmem/setmem expanders): Add new optional arguments.
10150
10151 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
10152
10153         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
10154
10155 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10156
10157         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
10158         (tree_unswitch_single_loop): Pass eni_size_weights to
10159         tree_num_loop_insns.
10160         * tree-ssa-loop-manip.c: Include tree-inline.h.
10161         (can_unroll_loop_p): Pass eni_size_weights to
10162         tree_num_loop_insns.
10163         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
10164         Pass eni_size_weights to estimate_num_insns.
10165         * tree.h (init_inline_once): Export.
10166         * toplev.c (backend_init): Call init_inline_once.
10167         * cgraphunit.c (cgraph_process_new_functions,
10168         cgraph_analyze_function): Pass eni_inlining_weights to
10169         estimate_num_insns.
10170         * ipa-inline.c (compute_inline_parameters): Ditto.
10171         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
10172         to estimate_num_insns.
10173         (try_unroll_loop_completely): Pass eni_size_weights to
10174         tree_num_loop_insns.
10175         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
10176         ot estimate_num_insns.
10177         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
10178         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
10179         * tree-inline.c (eni_inlining_weights, eni_size_weights,
10180         eni_time_weights): New variables.
10181         (init_inline_once): Initialize them.
10182         (struct eni_data): Mew.
10183         (estimate_num_insns_1, estimate_num_insns): Use weights.
10184         * tree-inline.h (struct eni_weights_d): New.
10185         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10186         (estimate_num_insns): Declaration changed.
10187         * cfgloop.h (tree_num_loop_insns): Declaration changed.
10188         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10189         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10190
10191 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
10192
10193         * tree-data-ref.c (conflict_fn): Assert that the number of affine
10194         relations in the conflict function is valid.
10195
10196 2007-01-27  Ian Lance Taylor  <iant@google.com>
10197
10198         * common.opt: Add fstrict-overflow.
10199         * opts.c (decode_options): Set flag_strict_overflow if -O2.
10200         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10201         (TYPE_OVERFLOW_UNDEFINED): Define.
10202         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
10203         Replace all uses.
10204         * tree.h (TYPE_TRAP_SIGNED): Don't define.
10205         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10206         (fold_negate_expr): Likewise.
10207         (make_range): Likewise.
10208         (extract_muldiv_1): Likewise.
10209         (maybe_canonicalize_comparison): Likewise.
10210         (fold_comparison): Likewise.
10211         (fold_binary): Likewise.
10212         (tree_expr_nonnegative_p): Likewise.
10213         (tree_expr_nonzero_p): Likewise.
10214         * tree-vrp.c (compare_values): Likewise.
10215         (extract_range_from_binary_expr): Likewise.
10216         (extract_range_from_unary_expr): Likewise.
10217         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10218         Likewise.
10219         (nowrap_type_p): Likewise.
10220         * tree-scalar-evolution.c (simple_iv): Likewise.
10221         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10222         (build_range_check): Likewise.
10223         (extract_muldiv_1): Likewise.
10224         (fold_comparison): Likewise.
10225         * tree-vrp.c (vrp_int_const_binop): Likewise.
10226         (extract_range_from_unary_expr): Likewise.
10227         * convert.c (convert_to_integer): Likewise.
10228         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10229         (fold_comparison): Likewise.
10230         (fold_binary): Likewise.
10231         * optabs.c (optab_for_tree_code): Likewise.
10232         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10233         * simplify-rtx.c (simplify_const_relational_operation): Check
10234         flag_strict_overflow and flag_trapv.
10235         (simplify_const_relational_operation): Likewise.
10236         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10237         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
10238         -fstrict-overflow.
10239
10240 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10241
10242         * tree.c (tree_fold_gcd): Delete.
10243         * tree.h (tree_fold_gcd): Remove prototype.
10244         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10245         test whether one constant integer is a multiple of another.  Instead
10246         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10247         * fold-const.c (multiple_of_p):  We've determined both TOP and
10248         BOTTOM are integer constants so we can call int_const_binop directly
10249         instead of the more generic const_binop.
10250
10251 2007-01-27  Roger Sayle  <roger@eyesopen.com>
10252
10253         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10254         1*X check that the constant hasn't overflowed, to preserve the
10255         TREE_OVERFLOW bit.
10256         (round_up): Provide an efficient implementation when rouding-up an
10257         INTEGER_CST to a power-of-two.
10258
10259 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10260
10261         * doc/sourcebuild.texi: Add comma for clarity.
10262         * doc/extend.texi: Fix some typos.
10263         * doc/passes.texi: Likewise.
10264         * doc/cppinternals.texi: Likewise.
10265         * doc/c-tree.texi: Likewise.
10266         * doc/tree-ssa.texi: Likewise.
10267         * doc/install.texi: Likewise.
10268
10269 2007-01-27  Jan Hubicka  <jh@suse.cz>
10270
10271         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10272         (pass_sra): Do not require alias information.
10273         * passes.c (init_optimization_passes): Add SRA
10274
10275 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10276
10277         * tracer.c (rest_of_handle_tracer): We already cleaned
10278         up the CFG in tracer() so don't do it here again.
10279         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10280         cleanup_cfg here, either.  And don't call renumber_insns.
10281
10282         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10283         and BB_HEAD are in the insn stream here.  Instead make sure
10284         that BB_INSN is valid on all insns.  Also, do check here that
10285         there are no pending branch predictions...
10286         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10287         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10288         here.
10289
10290 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10291
10292         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10293         function to simplify/factorize operand order canonicalization.
10294         (ix86_fixup_binary_operands): Reorganize using the above function.
10295         (ix86_binary_operator_ok): Likewise.
10296
10297 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10298
10299         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10300         file scope from optimize_attrs.
10301         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10302         up search.
10303         (optimize_attrs): Clear insn_code_values after freeing it.
10304
10305 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10306
10307         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10308         a parts.base assignment.
10309
10310 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10311
10312         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10313         (compute_subscript_distance, initialize_data_dependence_relation,
10314         finalize_ddr_dependent, analyze_ziv_subscript,
10315         analyze_siv_subscript_cst_affine,
10316         compute_overlap_steps_for_affine_univar,
10317         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10318         analyze_siv_subscript, analyze_miv_subscript,
10319         analyze_overlapping_iterations, subscript_dependence_tester_1,
10320         compute_self_dependence, free_dependence_relation): Work
10321         with affine_fn instead of chrecs.
10322         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10323         common_affine_function, affine_function_base,
10324         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10325         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10326         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10327         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10328         (all_chrecs_equal_p): Removed.
10329         * tree-data-ref.h (affine_fn, conflict_function): New types.
10330         (struct subscript): Change type of conflicting_iterations_in_a
10331         and conflicting_iterations_in_b.
10332
10333 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10334
10335         PR other/30182
10336         * config/pa/pa.h (TARGET_HPUX_11): New.
10337         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10338         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10339
10340 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10341         Richard Guenther  <rguenther@suse.de>
10342
10343         * tree-ssa-structalias.c (solve_graph): Handle case
10344         we merged the variable to another.
10345
10346 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10347
10348         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10349         functions.
10350
10351         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10352         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10353
10354 2007-01-25  DJ Delorie  <dj@redhat.com>
10355
10356         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10357         allow changes to modes which don't fit in those registers.
10358
10359         * reload1.c (choose_reload_regs): Check for invalid subregs before
10360         computing their locations, not after.
10361
10362 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10363
10364         PR 25127
10365         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10366         save Altivec registers in an eh_return function.
10367         (compute_vrsave_mask): Likewise.
10368         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10369         for saving Altivec registers.
10370         (rs6000_emit_prologue): Don't allocate stack twice in
10371         eh_return function.  Correct expected value of altivec_save_offset
10372         when using save_world.  Describe save of R0 to stack when using
10373         save_world.  Describe stack pointer adjustment when using
10374         save_world.  Remove duplicated eh_return parameter register saving.
10375         Update sp_offset variable after save_world.
10376         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10377         darwin-world.asm.
10378         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10379         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10380         implies Altivec.
10381
10382 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10383
10384         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10385
10386 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10387
10388         PR other/30182
10389         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10390         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10391
10392 2007-01-25  Richard Guenther  <rguenther@suse.de>
10393
10394         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10395         * common.opt (-Wcoverage-mismatch): New warning option.
10396         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10397         if -Wcoverage-mismatch is given.
10398
10399 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10400
10401         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10402         (ipcp_driver): Change to static definition.
10403         Add dumping of the ifunctions.
10404         (constant_val_insert): Remove unused parameter. Support for SSA.
10405         (ipcp_propagate_const): Support for SSA.
10406         (ipcp_profile_bb_print): Print only analyzed nodes.
10407         (ipcp_replace_map_create): Remove support for Fortran constant
10408         for now.
10409         * ipa-prop.c (ipa_method_modify_stmt,
10410         ipa_callsite_compute_param): Support for SSA.
10411         * ipa-prop.h (ipcp_driver): Remove declaration.
10412         (IS_VALID_TREE_MAP_INDEX): Add define.
10413
10414 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10415
10416         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10417
10418 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10419
10420         PR middle-end/30447
10421         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10422         constant argument to cabs and do it without checking for
10423         -funsafe-math-optimizations.
10424
10425 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10426
10427         * c-common.h (RID_FIRST_CXX0X): New.
10428         (RID_LAST_CXX0X): New.
10429         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10430         by -Wall.
10431         * c.opt (Wc++0x-compat): New.
10432         * doc/invoke.texi (-Wc++0x-compat): Document.
10433
10434 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10435
10436         * builtins.c (fold_builtin_carg): New.
10437         (fold_builtin_1): Use it.
10438
10439 2007-01-24  Jan Hubicka  <jh@suse.cz>
10440
10441         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10442
10443         * ipa-inline.c (initial_insns, max_insns): Delete.
10444         (compute_max_insns): New function.
10445         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10446         of insns as base for code growth.
10447         (cgraph_decide_inlining): Make initial_insns local; do not compute
10448         max_insns.
10449         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10450         * doc/invoke.texi (inline-unit-growth): Update docs.
10451
10452 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10453
10454         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10455         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10456         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10457         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10458         for CPUs that have PTA_CX16 set.
10459
10460         PR middle-end/27416
10461         * gimplify.c (omp_check_private): New function.
10462         (gimplify_scan_omp_clauses): Use it for
10463         firstprivate/lastprivate/reduction.
10464
10465         PR middle-end/30494
10466         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10467         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10468
10469         PR middle-end/30421
10470         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10471         If lower_lastprivate_clauses emits some statements, append them
10472         to dlist rather than body_p and to body_p append an initializer.
10473         (lower_omp_for): Adjust caller.
10474
10475 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10476
10477         * target.h (globalize_decl_name): New.
10478         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10479         * output.h (default_globalize_decl_name): New.
10480         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10481         globalize_label.
10482         (globalize_decl): Ditto.
10483         (default_globalize_decl_name): New.
10484         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10485         (ia64_handle_version_id_attribute): New.
10486         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10487         (ia64_asm_output_external): Use globalize_decl_name instead
10488         of globalize_label.
10489         * doc/extend.texi (version_id): New pragma.
10490         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10491
10492 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10493
10494         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10495         _uleb128_t and _Unwind_SWord with _sleb128_t.
10496         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10497         uw_frame_state_for, uw_update_context_1): Likewise.
10498         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10499         * unwind-pe.h (read_uleb128, read_sleb128,
10500         read_encoded_value_with_base): Likewise.
10501         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10502
10503 2007-01-24  Richard Guenther  <rguenther@suse.de>
10504
10505         * builtins.c (expand_builtin_cexpi): Get the fndecl
10506         for cexp in the correct way.
10507
10508 2007-01-24  Jan Hubicka  <jh@suse.cz>
10509
10510         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10511
10512 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10513
10514         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10515         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10516         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10517         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10518         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10519         __SIZEOF_PTRDIFF_T__.
10520         * doc/cpp.texi: Documentation for the new builtin macros added.
10521
10522 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10523
10524         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10525         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10526         instead of operands[2] to avoid access past the end of array.
10527
10528 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10529
10530         * reload1.c (emit_reload_insns): Pass the reload register
10531         for a non-spill output reload through forget_old_reloads_1.
10532
10533 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10534
10535         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10536         _SOFT_DOUBLE if doubles use software floating-point.
10537         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10538         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10539         * config/rs6000/darwin-ldouble.c: Also compile functions for
10540         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10541         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10542         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10543         commented-out long double override.
10544         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10545         * config/rs6000/eabispe.h: Likewise.
10546         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10547         long double for non-SPE.
10548         (rs6000_handle_option): Likewise.
10549         (invalid_e500_subreg): Disallow more subregs involding DImode,
10550         DFmode, TImode or TFmode.
10551         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10552         E500 double.
10553         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10554         double.
10555         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10556         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10557         double.
10558         (rs6000_legitimate_address): Also check for TFmode for E500
10559         double.
10560         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10561         (spe_build_register_parallel): Handle TFmode and TCmode.
10562         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10563         double.
10564         (function_arg): Handle TFmode and TCmode for E500 double.
10565         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10566         in general.
10567         (print_operand): Handle TFmode and TImode for %y.
10568         (rs6000_generate_compare): Handle TFmode comparisons for E500
10569         double.
10570         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10571         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10572         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10573         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10574         TFmode for E500 double.
10575         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10576         (floatsidf2): Enable for E500 double.
10577         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10578         (extenddftf2): Change to extenddftf2_fprs.
10579         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10580         depending on TARGET_E500_DOUBLE.
10581         (extendsftf2): Enable for E500 double.
10582         (trunctfdf2): Enable for E500 double.
10583         (trunctfsf2): Change to trunctfsf2_fprs.
10584         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10585         depending on TARGET_E500_DOUBLE.
10586         (floatsitf2): Enable for E500 double.
10587         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10588         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10589         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10590         (negtf2): Change to negtf2_internal.
10591         (negtf2): New expander.
10592         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10593         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10594         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10595         (movdi_internal32): Use rs6000_nonimmediate_operand.
10596         (unnamed splitter): Likewise.
10597         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10598         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10599         (SPE64TF, DITI): New mode macros.
10600         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10601         modes.
10602         (frob_tf_ti): New.
10603         (frob_<mode>_di_2): New.
10604         (frob_tf_di_8_2): New.
10605         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10606         (frob_ti_tf): New.
10607         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10608         more modes.
10609         (frob_ti_<mode>_8_2): New.
10610         (frob_ti_tf_2): New.
10611         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10612         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10613         TFmode.
10614         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10615         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10616         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10617         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10618         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10619         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10620         tsttflt_gp): New.
10621
10622 2007-01-23  Ian Lance Taylor  <iant@google.com>
10623
10624         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10625         insn-*.o first.
10626         (OBJS-archive): Reformat, alphabetize.
10627         (OBJS): Change out_object_file to OBJS-md.
10628
10629 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10630
10631         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10632         JUMP_P and CALL_P predicates where applicable.
10633         * config/i386/i386.c: Ditto.
10634         * config/i386/i386.md: Ditto.
10635         * config/i386/mmx.md: Ditto.
10636         * config/i386/predicates.md: Ditto.
10637
10638 2007-01-22  Andreas Schwab  <schwab@suse.de>
10639
10640         * config/m68k/m68k.h: Fix comment.
10641
10642 2007-01-22  Jan Hubicka  <jh@suse.cz>
10643
10644         * passes.c (init_optimization_passes): Do not rerun
10645         pass_early_warn_uninitialized.
10646
10647 2007-01-22  Richard Guenther  <rguenther@suse.de>
10648
10649         PR tree-optimization/30038
10650         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10651         function.
10652         (execute_cse_sincos_1): Likewise.
10653         (execute_cse_sincos): Likewise.
10654         (gate_cse_sincos): Likewise.
10655         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10656         the cexpi() canonicalization of sincos().
10657         * tree-pass.h (pass_cse_sincos): Declare.
10658         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10659
10660 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10661
10662         PR rtl-optimization/29329
10663         * combine.c (replaced_rhs_insn): Rename to i2mod.
10664         (replaced_rhs_value): Rename to i2mod_new_rhs.
10665         (i2mod_old_rhs): New global variable.
10666         (combine_instructions): Adjust for above change.  Save a copy of
10667         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10668         note are substituted in the second instruction.
10669         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10670         ditch the note if it pertains to the second eliminated register
10671         and this register is mentioned in i2mod_old_rhs.
10672
10673         Revert:
10674         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10675
10676         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10677         the insn to which the note was originally attached.
10678
10679 2007-01-21  Jan Hubicka  <jh@suse.cz>
10680
10681         * ipa-inline.c (inlining_mode): Comment, move up.
10682         (cgraph_decide_inlining_incrementally): Do not perform inlining
10683         itself; fix handling of flattening of self recursive functions.
10684         (cgraph_find_cycles): Remove.
10685         (cgraph_flatten_node): Remove.
10686         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10687         (try_inline): New function.
10688         (cgraph_early_inlining): Update call of
10689         cgraph_decide_inlining_incrementally.  Apply inlining here.
10690         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10691
10692 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10693
10694         PR bootstrap/30511
10695         * tree-vrp.c (check_array_bounds): do not warn
10696         about ADDR_EXPR's of ARRAY_REF's which are immediately
10697         used in binary expressions.
10698
10699 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10700
10701         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10702         read_write_dep and macros for its access.
10703         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10704         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10705         argument, call vect_check_interleaving for every independent pair of
10706         data-refs. Mark loads that access the same memory location as a store
10707         in the loop.
10708         (vect_check_dependences): Remove.
10709         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10710         call, fix the call to vect_analyze_data_ref_dependence.
10711         (vect_analyze_data_ref_access): For statements that access the same
10712         data-ref, check that they are not stores; for loads, check that there
10713         is no store that access the same location.
10714
10715 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10716             Joseph Myers  <joseph@codesourcery.com>
10717
10718         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10719         (-fdump-rtl-stack): Likewise.
10720         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10721         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10722         (-mpt-fixed): Use @minus{} for minus sign.
10723         (Using Precompiled Headers): Fix under/overfull hbox.
10724
10725 2007-01-20  Jan Hubicka  <jh@suse.cz>
10726
10727         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10728         place within annotation.
10729
10730 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10731
10732         * pa.c (output_move_double): Change array size of xoperands to 4.
10733
10734 2007-01-20  Jan Hubicka  <jh@suse.cz>
10735
10736         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10737         as temporary.
10738
10739 2007-01-19  Ian Lance Taylor  <iant@google.com>
10740
10741         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10742         constant to unsigned HOST_WIDE_INT before negating.
10743
10744 2007-01-19  Ian Lance Taylor  <iant@google.com>
10745
10746         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10747         to unsigned.
10748         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10749         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10750         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10751         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10752         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10753         (realloc_vdef, realloc_vuse): Change second parameter to
10754         unsigned.
10755         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10756         fields to unsigned.
10757         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10758         unsigned. Change x and lim locals to unsigned.
10759         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10760         unsigned.
10761         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10762         (copy_virtual_operands): Change i and n locals to unsigned.
10763
10764 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10765
10766         PR middle-end/29335
10767         * builtins.c (fold_builtin_1): Handle builtin fdim.
10768
10769 2007-01-20  Jan Hubicka  <jh@suse.cz>
10770
10771         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10772         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10773         init_alias_heapvars.
10774         (init_alias_heapvars): Initialize only when not already initialized.
10775         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10776
10777 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10778
10779         * common.opt (fsigned-zeros): New command line option.
10780         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10781         of flag_unsafe_math_optimizations.
10782         * opts.c (set_fast_math_flags): The -ffast-math command line option
10783         implies -fno-signed-zeros.
10784         (fast_math_flags_set_p): Likewise.
10785
10786         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10787         the documentation of -ffast-math appropriately.  Wrap long lines.
10788
10789 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10790
10791         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10792         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10793
10794 2007-01-19  Tomas Bily  <tbily@suse.cz>
10795
10796         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10797         * tree-profile.c:
10798         (tree_init_ic_make_global_vars): New function
10799         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10800         (tree_gen_ic_profiler): New function
10801         (tree_gen_ic_func_profiler): New function
10802         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10803         (tree_profile_hooks): Added hook for indirec/virtual calls
10804         * value-prof.c (tree_find_values_to_profile): New case for
10805         indirect calls
10806         (tree_values_to_profile): Call for determining indirect/virtual
10807         counters
10808         (tree_indirect_call_to_profile): New function
10809         (tree_ic_transform): New function
10810         (tree_ic): New function
10811         (find_func_by_pid): New function
10812         (init_pid_map): New function
10813         (tree_value_profile_transformations): Added check for
10814         indirect/virtual call transformation
10815         * value-prof.h (enum hist_type): New counter type for
10816         indirect/virtual calls
10817         (profile_hooks): Added new hook for profiling indirect/virtual
10818         calls
10819         * profile.c (instrument_values): New case for indirect/virtual
10820         call added
10821         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10822         (GCOV_COUNTER_V_INDIR): New counter type
10823         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10824         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10825         call added
10826         * cgraph.c: Definition of cgraph_max_pid
10827         (cgraph_create_node): Default init of pid attribute
10828         * cgraph.h: Declaration of cgraph_max_pid
10829         (struct cgraph_node): Added pid attribute
10830         * libgcov.c (__gcov_indirect_call_profiler): New function
10831         (__gcov_one_value_profiler_body): New function
10832         (__gcov_one_value_profiler): Body was moved to
10833         __gcov_one_value_profiler_body and calls it
10834
10835 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10836
10837         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10838         * gengtype.c (write_types_data, write_func_for_structure,
10839         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10840         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10841         (walk_type, write_func_for_structure): Generate the mark_hook if
10842         needed.
10843
10844 2007-01-19  Jan Hubicka  <jh@suse.cz>
10845
10846         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10847         'early' argument take inlining mode argument specifying whether to
10848         inline for size/speeed or all functions; add support for flattening;
10849         improve dumpting.
10850         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10851
10852 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10853
10854         PR c++/17947
10855         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10856         the name of the declared identifier.
10857
10858 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10859
10860         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10861         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10862         duplicate evaluation.
10863
10864 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10865
10866         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10867         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10868         to XFMode, use acosxf2 and truncate result to requested mode.
10869         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10870         (asin<mode>2): Similarly, with asin expanders.
10871         (*fscalexf4_i387): Rename from *fscalexf4.
10872         (expNcorexf3): New expander.
10873         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10874         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10875         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10876         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10877         patterns for SSE math.
10878         (exp10<mode>2): Similarly, with exp10 expanders.
10879         (exp2<mode>2): Similarly, with exp2 expanders.
10880         (expm1<mode>2): Similarly, with expm1 expanders.
10881         (ldexp<mode>3): Similarly, with ldexp expanders.
10882         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10883         Use gen_truncxf<mode>2_i387_noop to truncate result.
10884
10885 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10886
10887         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10888         for ColdFire targets.
10889
10890 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10891             Richard Sandiford  <richard@codesourcery.com>
10892
10893         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10894         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10895         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10896         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10897         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10898         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10899
10900 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10901
10902         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10903         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10904         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10905         (*adddi_dilshr32_cf): New pattern.
10906         (adddi3, subdi3): Remove first alternatives.
10907
10908 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10909
10910         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10911         implemented using move.l, do not use its cc result for floating-point
10912         comparisons.
10913
10914 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10915
10916         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10917         from accepting 's' constraints if flag_pic.
10918
10919 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10920
10921         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10922         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10923         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10924         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10925
10926 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10927
10928         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10929         ColdFire alternatives.
10930         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10931         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10932         architectures that support ff1 instruction.
10933
10934 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10935             Julian Brown  <julian@codesourcery.com>
10936
10937         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10938         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10939         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10940         Add commentary.
10941
10942 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10943
10944         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10945         and return a bool.
10946         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10947         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10948         HOST_WIDE_INT instead of an rtx.
10949         (m68k_rtx_costs): Update call accordingly.
10950         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10951         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10952         Return a bool.
10953         (output_move_simode_const): Update calls after above changes.
10954         Rework to use automatic variables and predicates like MEM_P.
10955         * config/m68k/m68k.md (pushexthisi_const): Update call to
10956         valid_mov3q_const.
10957
10958 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10959
10960         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10961         in dump_flags test.
10962
10963 2007-01-19  Richard Guenther  <rguenther@suse.de>
10964
10965         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10966         via cexp in case sincos is not available.
10967
10968 2007-01-19  Richard Guenther  <rguenther@suse.de>
10969
10970         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10971         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10972         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10973         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10974         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10975         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10976         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10977         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10978
10979 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10980
10981         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10982         New insn patterns.
10983         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10984         (atan2xf3): Directly generate RTL pattern.
10985         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10986         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10987         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10988         disable patterns for SSE math.
10989         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10990         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10991         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10992         disable patterns for SSE math.
10993
10994 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10995
10996         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10997
10998 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10999
11000         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
11001         VIEW_CONVERT_EXPR to the same type as it's operand.
11002
11003 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
11004
11005         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
11006         configured for long double 128.
11007
11008 2007-01-18  Mike Stump  <mrs@apple.com>
11009
11010         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
11011         error.
11012
11013 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
11014
11015         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
11016         type correct.
11017
11018 2007-01-18  Jan Hubicka  <jh@suse.cz>
11019
11020         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
11021         greater than NUM_VOP_FREE_BUCKETS.
11022
11023 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
11024
11025         * tree-ssa-structalias.c: Update comments.
11026         (ptabitmap_obstack): Removed.
11027         (pta_obstack): New.
11028         (oldpta_obstack): Ditto.
11029         (stats): Add a few members.
11030         (struct variable_info): Remove node, complex, address_taken, and
11031         indirect_target members. Add oldsolution member.
11032         (new_var_info): Do not initialize removed members.
11033         (constraint_expr_type): Remove INCLUDES.
11034         (constraint_graph): Add size, implicit_preds, rep,
11035         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
11036         (FIRST_REF_NODE): New macro.
11037         (LAST_REF_NODE): Ditto.
11038         (FIRST_ADDR_NODE): Ditto.
11039         (find): New function.
11040         (unite): Ditto.
11041         (dump_constraint): Do not handle INCLUDES.
11042         (insert_into_complex): Do not insert duplicate constraints.
11043         (condense_varmap_nodes): Renamed and rewritten into ...
11044         (merge_node_constraints): This. Also fix bug in handling of
11045         offseted copy constraints.
11046         (clear_edges_for_node): No longer need to deal with preds at all,
11047         or removing associated preds/succs.
11048         (merge_graph_nodes): Deal with indirect_cycles.
11049         Don't deal with predecessors.
11050         (add_implicit_graph_edge): New function.
11051         (add_pred_graph_edge): Ditto.
11052         (add_graph_edge): Don't deal with predecessors.
11053         (build_constraint_graph): Removed.
11054         (build_pred_graph): New function.
11055         (build_succ_graph): Ditto.
11056         (struct scc_info): Removed in_component. Added roots, dfs, and
11057         node_mapping. Remove visited_index, unification_queue.
11058         (scc_visit): Deal with union-find we do now.
11059         Deal with cycles with REF nodes.
11060         (collapse_nodes): Renamed and rewritten to ...
11061         (unify_nodes): This.
11062         (process_unification_queue): Removed.
11063         (topo_visit): Cleanup
11064         (do_da_constraint): Use find.
11065         (do_sd_constraint): Ditto.
11066         (do_ds_constraint): Ditto.
11067         (do_complex_constraint): Ditto.
11068         (init_scc_info): Update for removed and added members.
11069         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
11070         (find_indirect_cycles): This.
11071         (equivalence_class): New variable.
11072         (label_visit): New function.
11073         (perform_variable_substitution): Rewritten.
11074         (free_var_substitution_info): New function.
11075         (find_equivalent_node): Ditto.
11076         (move_complex_constraints): Ditto.
11077         (eliminate_indirect_cycles): Ditto.
11078         (solve_graph): Only propagate changed bits.
11079         Use indirect cycle elimination.
11080         Use find.
11081         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
11082         (tree_id_eq): Renamed to ...
11083         (tree_vi_eq): This. Update for member change
11084         (insert_id_for_tree): Renamed and rewritten to ...
11085         (insert_vi_for_tree): This.
11086         (lookup_id_for_tree): Renamed and rewritten to ...
11087         (lookup_vi_for_tree): This.
11088         (get_id_for_tree): Renamed and rewritten to ...
11089         (get_vi_for_tree): Ditto.
11090         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
11091         (process_constraint): Don't handle INCLUDES.
11092         Remove special ADDRESSOF case.
11093         (find_func_aliases): Rewrite to use vi functions instead of id
11094         ones.
11095         (create_function_info_for): Ditto.
11096         (create_variable_info_for): Ditto.
11097         (intra_create_variable_infos): Ditto.
11098         (merge_smts_into): Ditto.
11099         (find_what_p_points_to): Ditto.
11100         (init_base_vars): Ditto.
11101         (init_alias_vars): Ditto.
11102         (remove_preds_and_fake_succs): New function.
11103         (dump_sa_points_to_info): Dump new stats.
11104         (dump_solution_for_var): Use find.
11105         (set_used_smts): Fix formatting.
11106         (compute_points_to_sets): Updated for new functions.
11107         (ipa_pta_execute): Ditto.
11108
11109 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11110             Richard Sandiford  <richard@codesourcery.com>
11111
11112         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
11113         parallels.
11114         * calls.c (expand_call): If the return value is a PARALLEL,
11115         extract its first member.
11116         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
11117         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11118         use FUNCTION_EXTRA_EPILOGUE.
11119         (m68k_function_value): Return a PARALLEL if the return value
11120         is of a pointer type.
11121         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
11122         (FUNCTION_EXTRA_EPILOGUE): Remove.
11123         * config/m68k/m68k.md (D0_REG): New constant.
11124
11125 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11126
11127         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11128         output a NOP for empty epilogues.
11129
11130 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11131
11132         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
11133         before function.  Extend register save check to include all
11134         registers, not just integer ones.
11135
11136 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11137
11138         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
11139         (m68k_use_return_insn): ...this.
11140         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
11141         * config/m68k/m68k.c (use_return_insn): Rename to...
11142         (m68k_use_return_insn): ...this.
11143         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
11144         of USE_RETURN_INSN.
11145
11146 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11147
11148         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
11149         nearest even, fix denormal rounding overflow.
11150
11151 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11152
11153         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
11154         f%$smove and f%$move.
11155         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
11156         (extendsfdf2_cf): Use fdmove instead of f%&move.
11157         (truncdfsf2_cf): Use fsmove instead of f%$smove.
11158         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
11159
11160 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11161
11162         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
11163         GPR<-GPR moves.
11164
11165 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11166
11167         * real.h (real_format): Add a canonical_nan_lsbs_set field.
11168         (coldfire_single_format): Declare.
11169         (coldfire_double_format): Likewise.
11170         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
11171         of qnan_msb_set to determine the lower bits of a canonical
11172         NaN significand.
11173         (encode_ieee_double): Likewise.
11174         (encode_ieee_quad): Likewise.
11175         (ieee_single_format): Initialize canonical_nan_lsbs_set.
11176         (mips_single_format): Likewise.
11177         (ieee_double_format): Likewise.
11178         (mips_double_format): Likewise.
11179         (ieee_extended_motorola_format): Likewise.
11180         (ieee_extended_intel_96_format): Likewise.
11181         (ieee_extended_intel_128_format): Likewise.
11182         (ieee_extended_intel_96_round_53_format): Likewise.
11183         (ibm_extended_format): Likewise.
11184         (mips_extended_format): Likewise.
11185         (ieee_quad_format): Likewise.
11186         (mips_quad_format): Likewise.
11187         (vax_f_format): Likewise.
11188         (vax_d_format): Likewise.
11189         (vax_g_format): Likewise.
11190         (i370_single_format): Likewise.
11191         (i370_double_format): Likewise.
11192         (decimal_single_format): Likewise.
11193         (decimal_double_format): Likewise.
11194         (decimal_quad_format): Likewise.
11195         (c4x_single_format): Likewise.
11196         (c4x_extended_format): Likewise.
11197         (real_internal_format): Likewise.
11198         (coldfire_single_format): New real_format.
11199         (coldfire_double_format): Likewise.
11200         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11201         canonical_nan_lsbs_set.
11202         (pdp11_d_format): Likewise.
11203         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11204         if TARGET_COLDFIRE_CPU.
11205
11206 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11207
11208         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11209         (output_call, m68k_legitimize_call_address): Declare.
11210         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11211         parenthesees.  Add support for a 'W' constraint.
11212         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11213         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11214         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11215         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11216         variables.
11217         (override_options): Initialize them.  Do not set flag_no_function_cse
11218         for TARGET_ID_SHARED_LIBRARY.
11219         (m68k_output_pic_call): Delete.
11220         (m68k_legitimize_call_address): New function.
11221         (print_operand): Remove the %o prefix.  Handle the %p prefix.
11222         (output_call): New function.
11223         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
11224         target address from the GOT if symbolic jumps are not allowed.
11225         * config/m68k/m68k.md (call, general_operand): Do not set
11226         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
11227         Merge separate flag_pic and !flag_pic define_insns into...
11228         (*call, *call_value): ...these new patterns.  Match the address
11229         rather than the containing MEM and require it to be a call_operand.
11230         Use output_call to generate the asm template.
11231         * config/m68k/predicates.md (const_call_operand): New predicate.
11232         (call_operand): Likewise.
11233
11234 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11235
11236         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11237         (STACK_GROWS_DOWNWARD): Define to 1.
11238         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11239         comments, emphasizing that these values are only defaults.
11240         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11241         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11242
11243 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11244
11245         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11246
11247 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
11248             Richard Sandiford  <richard@codesourcery.com>
11249
11250         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11251         (FP_REGNO_P): New macros.
11252         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11253         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11254         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11255         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11256
11257 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11258
11259         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11260         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11261         to $tmake_file.
11262         * config/m68k/t-floatlib: New file, extracting common code from...
11263         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11264         * config/m68k/t-uclinux: Here.
11265         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11266         routines on ColdFire targets.
11267
11268 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11269
11270         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11271         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11272         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11273         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11274         explicitly set MOTOROLA to 1.
11275         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11276
11277 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11278             Nathan Sidwell  <nathan@codesourcery.com>
11279
11280         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11281         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11282         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11283         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11284         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11285         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11286         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11287         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11288         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11289         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11290         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11291         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11292         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11293         (DBX_REGISTER_NUMBER): Delete.
11294         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11295         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11296         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11297
11298 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11299
11300         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11301         * config/flat.h: New file.
11302         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11303         OBJECT_FORMAT_FLAT.
11304         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11305         indirect references for -msep-data or -mid-shared-library.
11306         Do not use PC-relative code addresses either.
11307         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11308         to -mpcrel.
11309         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11310         for shared libraries and crt1.o for executables.  Use crti.o and
11311         crtbegin.o.
11312         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11313         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11314         Do not add -elf2flt or -shared-lib-id options here.
11315         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11316         Pass -shared-lib-id if -mid-shared-library, taking the library
11317         identifier from -mshared-library-id if given, otherwise
11318         defaulting to 0.
11319         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11320         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11321         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11322         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11323         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11324         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11325         and crtend.o.
11326         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11327         jump sequence for ISA A and ISA A+.
11328         (PICJUMP): Likewise.
11329
11330 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11331
11332         * config.gcc (m68k-*-uclinux*): Base the port on the common
11333         and m68k GNU/Linux files rather than on the generic ELF ones.
11334         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11335         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11336
11337 2007-01-18  Julian Brown  <julian@codesourcery.com>
11338             Richard Sandiford  <richard@codesourcery.com>
11339
11340         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11341         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11342         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11343         before redefining.
11344         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11345         80 unconditionally.
11346         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11347
11348 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11349
11350         * doc/install.texi: Document m68k-uclinuxoldabi.
11351         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11352         * config/m68k/uclinux-oldabi.h: New file, copied from
11353         config/m68k/uclinux.h.
11354
11355 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11356
11357         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11358         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11359         (m32r_compute_frame_size): Use unsigned for regno.
11360         (m32r_reload_lr): Use gen_frame_mem.
11361         (pop): New.
11362         (m32r_output_function_epilogue): Don't output the function epilogue
11363         textually here.
11364         (m32r_expand_epilogue): New.
11365         (direct_return): Return false if the function has the interrupt
11366         attribute.
11367         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11368         * config/m32r/m32r.md (epilogue): New expander.
11369         (return_lr, return_rte): New insns.
11370         (return): Make it expander.
11371         (return_normal): New expander.
11372
11373 2007-01-18  Josh Conner  <jconner@apple.com>
11374
11375         PR target/30485
11376         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11377         support for UNLE, UNLT, UNGE, and UNGT.
11378
11379 2007-01-18  Jan Hubicka  <jh@suse.cz>
11380
11381         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11382         * tree-tailcall (add_virtual_phis): Likewise.
11383         (optimize_tail_call): Return TODOs.
11384         (execute_tail_calls): Return TODOs.
11385         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11386         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11387         changed.
11388         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11389         Cleanup cfg using TODO.
11390         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11391         * passes.c (execute_function_todo): When cleanup did something, remove
11392         unused locals.
11393         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11394         (make_edges): Don't cleanup_cfg.
11395
11396 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11397
11398         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11399         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11400         operate on the top of stack.
11401         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11402         register handling of instructions that output to the second
11403         stack slot.
11404         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11405         (move_for_stack_reg): Special-case check for dead destination
11406         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11407
11408         * config/i386/i386.md (UNSPEC_TAN): New constant.
11409         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11410         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11411         to correctly model move of constant 1.0 to top stack slot.
11412         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11413         (unnamed peephole2 pattern): Remove corresponding peephole2
11414         pattern that optimizes tan insn and loading of constant 1.0.
11415         (tanxf2): Use fptanxf4_i387.
11416         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11417         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11418         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11419         disable patterns for SSE math.
11420         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11421         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11422
11423 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11424             Richard Guenther <rguenther@suse.de>
11425
11426         PR diagnostic/8268
11427         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11428         * common.opt (Warray-bounds): Add new warning option.
11429         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11430         if -Wall is given.
11431         * Makefile.in: make tree-vrp.o depend on toplev.h
11432         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11433         is enabled.
11434         (check_array_refs, check_array_bounds, check_array_ref): New.
11435
11436 2007-01-18  Jan Hubicka  <jh@suse.cz>
11437
11438         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11439         (execute_ssa_ccp): Return flags conditionally.
11440         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11441         changed.
11442         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11443
11444 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11445
11446         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11447         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11448
11449         * Makefile.c (GTFILES): Add cfglayout.h.
11450         * gengtype.c (open_base_files): Likewise.
11451         * cfglayout.c (cfg_layout_function_footer,
11452         cfg_layout_function_header) Reindent to make gengtype happy.
11453         * cfglayout.h (cfg_layout_function_footer,
11454         cfg_layout_function_header): Add GTY(()) marker.
11455
11456         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11457
11458 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11459
11460         * genautomata.c (write_automata): Include xstrerror output in the
11461         error message if writing the DFA description file fails.
11462
11463 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11464
11465         * config/mips/mips-protos.h (mips_output_external): Make it
11466         return void.
11467         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11468         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11469         (extern_list): Likewise.
11470         (extern_head): Likewise.
11471         (TARGET_ASM_FILE_END): Likewise.
11472         (mips_file_end): Likewise.
11473         (mips_output_external): Rewritten.
11474
11475 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11476
11477         * genpreds.c (write_insn_preds_c): Only write out the function
11478         body for regclass_for_constraint if we have register constraints.
11479
11480 2007-01-17  Tom Tromey  <tromey@redhat.com>
11481
11482         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11483         * doc/install.texi (Testing): Use sourceware.org.
11484         (Binaries): Likewise.
11485         (Specific): Likewise.
11486         * doc/contrib.texi (Contributors): Use sourceware.org.
11487
11488 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11489
11490         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11491         (AVR_ENHANCED): Rename to ...
11492         (AVR_HAVE_MUL): ... new.
11493         (avr_enhanced_p): Rename to ...
11494         (avr_have_mul_p): ... new.
11495         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11496         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11497         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11498         (avr_have_mul_p): ... new.
11499         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11500         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11501         'avr_enhanced_p' and 'enhanced'.
11502         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11503         AVR_HAVE_MUL instead of AVR_ENHANCED.
11504         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11505         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11506         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11507         instead of AVR_ENHANCED.
11508         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11509         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11510         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11511
11512 2007-01-17  Ian Lance Taylor  <iant@google.com>
11513
11514         * vec.h (VEC_reserve_exact): Define.
11515         (vec_gc_p_reserve_exact): Declare.
11516         (vec_gc_o_reserve_exact): Declare.
11517         (vec_heap_p_reserve_exact): Declare.
11518         (vec_heap_o_reserve_exact): Declare.
11519         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11520         versions.
11521         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11522         negative parameter.
11523         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11524         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11525         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11526         * vec.c (calculate_allocation): Add exact parameter.  Change all
11527         callers.
11528         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11529         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11530         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11531         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11532         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11533         (vec_heap_p_reserve_exact): New function.
11534         (vec_heap_o_reserve_exact): New function.
11535
11536 2007-01-17  Jan Hubicka  <jh@suse.cz>
11537
11538         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11539
11540 2007-01-17  Eric Christopher  <echristo@apple.com>
11541
11542         * config.gcc: Support core2 processor.
11543
11544 2007-01-16  Jan Hubicka  <jh@suse.cz>
11545
11546         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11547         the names, just unlink the chain so we don't crash on dangling pointers
11548         to dead SSA names.
11549
11550 2007-01-16  Jan Hubicka  <jh@suse.cz>
11551
11552         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11553         * tree-pass.h: Reorder to make IPA passes appear toegher.
11554         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11555         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11556         parameters, do not call early inliner.
11557         * ipa-inline.c: Update comments.  Include tree-flow.h
11558         (cgraph_decide_inlining): Do not compute inlining parameters.
11559         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11560         be called with function context set up.
11561         (pass_ipa_inline): Remove unreachable functions before pass.
11562         (cgraph_early_inlining): Simplify assuming to be called from the
11563         PM as local pass.
11564         (pass_early_inline): New pass.
11565         (cgraph_gate_ipa_early_inlining): New gate.
11566         (pass_ipa_early_inline): Turn into simple wrapper.
11567         (compute_inline_parameters): New function.
11568         (gate_inline_passes): New gate.
11569         (pass_inline_parameters): New pass.
11570         (apply_inline): Move here from tree-optimize.c
11571         (pass_apply_inline): New pass.
11572         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11573         transforming.
11574         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11575         doing them by hand.
11576         (tree_function_versioning): Do not allocate dummy struct function.
11577         * tree-inline.h (optimize_inline_calls): Update prototype.
11578         * tree-optimize.c (execute_fixup_cfg): Export.
11579         (pass_fixup_cfg): Remove
11580         (tree_rest_of_compilation): Do not apply inlines.
11581         * tree-flow.h (execute_fixup_cfg): Declare.
11582         * Makefile.in (gt-passes.c): New.
11583         * passes.c: Include gt-passes.h
11584         (init_optimization_passes): New passes.
11585         (nnodes, order): New static vars.
11586         (do_per_function_toporder): New function.
11587         (execute_one_pass): Dump current pass here.
11588         (execute_ipa_pass_list): Don't dump current pass here.
11589
11590 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11591
11592         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11593         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11594
11595 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11596
11597         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11598         (strong_alias): Define.
11599         (__gcc_qmul): Provide non-FMA for soft-float.
11600         (__gcc_qdiv): Same.
11601         (__gcc_qneg): New.
11602         (__gcc_qeq): New.
11603         (__gcc_qle): New.
11604         (__gcc_qge): New.
11605         (__gcc_qunord): New.
11606         (__gcc_stoq): New.
11607         (__gcc_dtoq): New.
11608         (__gcc_qtos): New.
11609         (__gcc_qtod): New.
11610         (__gcc_qtoi): New.
11611         (__gcc_qtou): New.
11612         (__gcc_itoq): New.
11613         (__gcc_utoq): New.
11614         (fmsub): New.
11615         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11616         soft-float functions.
11617         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11618         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11619         about long double soft float.
11620
11621 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11622             Tehila Meyzels  <tehila@il.ibm.com>
11623
11624         * tree-vectorizer.h (is_pattern_stmt_p): New.
11625         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11626         formatting (tabs instead of spaces). Cleanup and clarify setting
11627         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11628         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11629         (vectorizable_type_demotion): Check that types are integral.
11630         (vectorizable_type_promotion): Likewise.
11631         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11632         comments.
11633
11634 2007-01-16  Jan Hubicka  <jh@suse.cz>
11635
11636         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11637         cgraph edges too.
11638
11639 2007-01-15  Eric Christopher  <echristo@apple.com>
11640
11641         * ifcvt.c: Include vec.h, vecprim.h.
11642         (check_cond_move_block): New argument regs.
11643         Reorganize. Add registers used to regs.
11644         (cond_move_process_if_block): Use regs set above as
11645         loop bounds.
11646
11647 2007-01-15  Eric Christopher  <echristo@apple.com>
11648
11649         * config/darwin.h: Update copyright.
11650         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11651         (LINK_COMMAND_SPEC): Add -u.
11652         (LINK_SPEC): Fix umbrella for above.
11653
11654 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11655
11656         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11657         glibc CVS.
11658
11659 2007-01-15  Tom Tromey  <tromey@redhat.com>
11660
11661         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11662         * doc/install.texi (Testing): Don't mention jacks.
11663         (Configuration): Document --enable-java-maintainer-mode.  Move
11664         --with-java-home to libgcj-specific section.  Document
11665         --with-ecj-jar.
11666         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11667
11668 2007-01-15  Jan Hubicka  <jh@suse.cz>
11669
11670         * tree-ssa-dce.c (DCE_TODOs): New.
11671         (propagate_necessity): Return if something changed.
11672         (eliminate_unnecessary_stmts): Likewise.
11673         (perform_tree_ssa_dce): Return TODO flags when needed.
11674         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11675
11676 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11677
11678         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11679         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11680         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11681         patterns using X87MODEF12 mode macro.  Extend operand 1
11682         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11683         (log10<mode>2): Ditto.
11684         (log2<mode>2): Ditto.
11685         (log1p<mode>2): Ditto.
11686         (logb<mode>2): Ditto.
11687         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11688         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11689         (*fxtractxf3_i387): Rename from *fxtractxf3.
11690         (fxtract_extend<mode>xf3_i387): New insn pattern.
11691         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11692         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11693         and gen_fyl2xxf3_i387().
11694
11695 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11696
11697         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11698         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11699         get_loop_exit_edges.  Changed return type to bool.
11700         * cfgloop.h (fix_loop_placement): Declaration removed.
11701
11702 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11703
11704         * param.h (MIN_VECT_LOOP_BOUND): New.
11705         * params.def (MIN_VECT_LOOP_BOUND): New.
11706         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11707         argument - minimum threshold for number of iterations.
11708         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11709         argument to declaration.
11710         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11711         MIN_VECT_LOOP_BOUND.
11712         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11713         slpeel_tree_peel_loop_to_edge with additional argument.
11714         (vect_do_peeling_for_alignment): Likewise.
11715         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11716
11717 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11718
11719         PR target/30413
11720         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11721         operands of size 1.
11722
11723 2007-01-14  Jan Hubicka  <jh@suse.cz>
11724
11725         * tree-dfa.c (remove_referenced_var): New function.
11726         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11727         prune referenced vars list too.
11728         * tree-flow.h (remove_referenced_var): Declare.
11729
11730 2007-01-14  Jan Hubicka  <jh@suse.cz>
11731
11732         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11733         separately.
11734         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11735         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11736         * except.h (verify_eh_throw_table_statements): Kill prototype.
11737         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11738         into call exrepssions.
11739         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11740         eh trhow verifier.
11741         * tree-cfg.c: Include pointer-set.h.
11742         (verify_node_sharing): Work on pointer set.
11743         (verify_eh_throw_stmt_node): New.
11744         (verify_stmts): Use pointers sets, verify throw_stmt.
11745
11746 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11747
11748         * ipa-reference.c (analyze_function): Consider also addresses taken
11749         in phi nodes.
11750
11751 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11752
11753         * c-typeck.c (null_pointer_constant_p): Replace use of
11754         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11755         (build_c_cast): Likewise.
11756
11757 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11758
11759         * tree.h (force_fit_type_double): Remove unused final argument.
11760         * c-common.c (constant_expression_warning): Replace use of
11761         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11762         (convert_and_check): Likewise.
11763         (shorten_compare): Update call to force_fit_type_double.
11764         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11765         * convert.c (convert_to_pointer): Update call to
11766         force_fit_type_double.
11767         * fold-const.c (force_fit_type_double): Remove overflowed_const
11768         argument.
11769         (int_const_binop, fold_convert_const_int_from_int,
11770         fold_convert_const_int_from_real, fold_div_compare,
11771         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11772         fold_abs_const, fold_not_const): Remove the final argument from
11773         calls to force_fit_type_double.
11774
11775 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11776
11777         * configure.ac: Set insn to "nop" for spu-*-* also.
11778         * configure: Regenerate.
11779
11780 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11781
11782         * builtins.def : Add BUILT_IN_FREE.
11783
11784 2007-01-12  Jan Hubicka  <jh@suse.cz>
11785
11786         PR tree-optimization/30443
11787         * tree-inline.c (tree_function_versioning): Do not optimize when
11788         cloning for inlining.
11789
11790 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11791
11792         * doc/loop.texi: Document recording of loop exits.
11793         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11794         (update_single_exits_after_duplication,
11795         update_single_exit_for_duplicated_loop,
11796         update_single_exit_for_duplicated_loops): Removed.
11797         (duplicate_loop_to_header_edge): Do not call
11798         update_single_exits_after_duplication and
11799         update_single_exit_for_duplicated_loops.
11800         (loop_version): Do not update single_exit information.
11801         (fix_loop_structure): Use record_loop_exits instead of
11802         mark_single_exit_loops.
11803         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11804         the lists of loop exits.
11805         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11806         split_edge, merge_blocks): Update the lists of loop exits.
11807         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11808         loop_optimizer_init.
11809         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11810         of mark_single_exit_loops.
11811         (loop_optimizer_finalize): Call release_recorded_exits.
11812         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11813         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11814         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11815         update single exit information.
11816         * lambda-code.c (perfect_nestify): Ditto.
11817         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11818         (mark_single_exit_loops): Removed.
11819         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11820         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11821         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11822         functions.
11823         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11824         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11825         (verify_loop_structure): Verify consistency of the exit lists.
11826         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11827         (set_single_exit): Removed.
11828         * cfgloop.h (struct loop_exit): New function.
11829         (struct loop): single_exit_ field replaced by exits field.
11830         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11831         (struct loops): Added exits hash.
11832         (mark_single_exit_loops, set_single_exit): Declaration removed.
11833         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11834
11835 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11836
11837         * doc/invoke.texi: Avoid use of @headitem.
11838
11839 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11840
11841         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11842
11843 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11844
11845         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11846         list of targets.
11847
11848 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11849             Richard Sandiford  <richard@codesourcery.com>
11850
11851         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11852         * config/m68k/m68k.opt: Resort options.
11853         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11854
11855 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11856             Richard Sandiford  <richard@codesourcery.com>
11857
11858         * doc/invoke.texi: Document the macros that are defined by
11859         m68k's -mtune and -mhard-float options.
11860         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11861         (m68k_cpp_cpu_family): Likewise.
11862         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11863         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11864         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11865         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11866         (m68k_cpp_cpu_family): Likewise.
11867
11868 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11869
11870         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11871         macros besides mc68000 as tuning macros.  Use a switch statement
11872         to set them and mcpu32.
11873
11874 2007-01-12  Julian Brown  <julian@codesourcery.com>
11875
11876         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11877         (TARGET_68040_ONLY): Rename to...
11878         (TARGET_68040): ...this.
11879         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11880         * config/m68k/m68k.md: Likewise.
11881
11882 2007-01-12  Julian Brown  <julian@codesourcery.com>
11883             Nathan Sidwell  <nathan@codesourcery.com>
11884             Richard Sandiford  <richard@codesourcery.com>
11885
11886         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11887         the -mcpu= argument associated with the --with-cpu setting.
11888         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11889         if different from the one implied by the -mcpu setting.
11890         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11891         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11892         * doc/invoke.texi: Mention ColdFire in the introduction to the
11893         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11894         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11895         -mhard-float.  Document the previously-undocumented -m5206e,
11896         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11897         documentation for consistency.
11898         * doc/install.texi: Mention new --with-cpu arguments.
11899         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11900         default CPU if neither -mcpu nor -march are specified.
11901         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11902         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11903         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11904         using m68k_tune to decide between families that implement the
11905         same ISA.  Use m68k_tune to set __mcfv4e__.
11906         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11907         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11908         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11909         (FL_ISA_C, FL_ISA_MMU): New macros.
11910         (MASK_COLDFIRE): Delete.
11911         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11912         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11913         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11914         (TARGET_HARD_FLOAT): Do not define here.
11915         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11916         (TUNE_68000): New macro.
11917         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11918         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11919         (TUNE_CFV2): Redefine in terms of m68k_tune.
11920         (uarch_type, target_device, fpu_type): New enums.
11921         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11922         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11923         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11924         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11925         (FL_FOR_isa_c): New macros.
11926         (m68k_isa): New enum.
11927         (m68k_target_selection): New structure.
11928         (all_devices, all_isas, all_microarchs): New tables.
11929         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11930         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11931         (MASK_ALL_CPU_BITS): Delete.
11932         (m68k_find_selection): New function.
11933         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11934         Map the legacy target options to a combination of the new ones.
11935         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11936         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11937         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11938         settings.
11939         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11940         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11941         properties.
11942         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11943         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11944         * config/m68k/m68k-devices.def: New file.
11945
11946 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11947             Nathan Sidwell  <nathan@codesourcery.com>
11948
11949         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11950         (SUBTARGET_EXTRA_SPECS): New macros.
11951         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11952         use %(asm_cpu_spec) instead.
11953         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11954         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11955         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11956         (EXTRA_SPECS): Rename to...
11957         (SUBTARGET_EXTRA_SPECS): ...this.
11958
11959 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11960             Richard Sandiford  <richard@codesourcery.com>
11961             Julian Brown  <julian@codesourcery.com>
11962
11963         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11964         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11965         to the configuration's default CPU.
11966         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11967         Remove default masks.
11968         (m680[012]0-*-*): Set the default with_cpu to the first part of
11969         the target name.
11970         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11971         (m68k*-*-linux): Extend the --with-cpu handling to...
11972         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11973         and m68010.  Don't set target_cpu_default2.
11974         * doc/install.texi: Document --with-cpu for m68k.
11975         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11976         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11977         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11978         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11979         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11980         (ASM_SPEC): Remove use of %(asm_cpu_default).
11981         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11982         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11983         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11984         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11985         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11986         (TARGET_DEFAULT): Delete.
11987         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11988         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11989         (CPP_CPU_SPEC): Delete.
11990         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11991         the appropriate string.
11992         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11993         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11994         (ASM_SPEC): Don't use %(asm_default_spec).
11995         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11996         TARGET_DEFAULT and add MASK_68881.
11997         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11998
11999 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12000
12001         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
12002         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
12003         MASK_68010 alongside MASK_68020.
12004         * doc/invoke.texi: Document -m68010.
12005         * config/m68k/m68k.opt (m68010): New.
12006         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
12007         if TUNE_68010.
12008         (TUNE_68010): New macro.
12009         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
12010         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
12011         (M68K_CPU_m68332): Add MASK_68010.
12012         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
12013         fallback definition.
12014         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
12015         defines.
12016         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
12017         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
12018         to all entries that use MASK_68020.
12019         (output_move_simode_const, output_move_himode, output_move_qimode)
12020         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
12021         instead of TARGET_68020 to select clr behavior.  Remove comment
12022         about there being no TARGET_68010.
12023         * config/m68k/m68k.md: Likewise throughout.
12024
12025 2007-01-12  Julian Brown  <julian@codesourcery.com>
12026
12027         * config/m68k/m68k.h (TARGET_ISAB): New macro.
12028         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
12029         * config/m68k/m68k.md: Likewise.
12030
12031 2007-01-12  Julian Brown  <julian@codesourcery.com>
12032
12033         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
12034         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
12035
12036 2007-01-12  Julian Brown  <julian@codesourcery.com>
12037
12038         * config/m68k/m68k.h (TUNE_68040_60): New macro.
12039         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
12040         * config/m68k/m68k.md: Likewise.
12041
12042 2007-01-12  Julian Brown  <julian@codesourcery.com>
12043             Richard Sandiford  <richard@codesourcery.com>
12044
12045         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
12046         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
12047         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
12048         TARGET_CPU32.
12049         (TARGET_CPU32): Rename to...
12050         (TUNE_CPU32): ...this.
12051         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
12052         (TUNE_CFV2): New macros.
12053         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
12054         remove conditions that are implied by TARGET_68020.
12055         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
12056         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
12057         (m68k_output_function_epilogue): Likewise.
12058         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
12059         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
12060         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
12061         non-68000 timings.  Refactor multiplication and division costs.
12062         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
12063         TUNE_CPU32 instead of TARGET_CPU32.
12064         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
12065         and TUNE_68060 instead of TARGET_68060.
12066         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
12067         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
12068         TARGET_CPU32.
12069         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
12070         && !TARGET_COLDFIRE" to choose between moveq and clr.
12071         Likewise in the unnamed movsf pattern.
12072         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
12073         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
12074         ashiftrt pattern.
12075
12076 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
12077
12078         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
12079         of tabbing before backslashes.
12080
12081 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12082
12083         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
12084         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
12085         (ASM_OUTPUT_INTERNAL_LABEL): Define.
12086
12087 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12088
12089         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
12090         find_interesting_uses_cond.
12091         (find_interesting_uses_cond): Use extract_cond_operands.
12092         (rewrite_use_compare): Use extract_cond_operands and
12093         force_gimple_operand_bsi.  Do not call update_stmt.
12094         (determine_use_iv_cost_condition): Use extract_cond_operands.
12095         Return cheaper of using original bound and changing the exit bound.
12096
12097 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
12098
12099         PR tree-optimization/29516
12100         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
12101         most_expensive_mult_to_index, addr_to_parts,
12102         create_mem_ref, maybe_fold_tmr): Make the type of
12103         fields of TARGET_MEM_REF sizetype.
12104         (move_fixed_address_to_symbol, move_pointer_to_base):
12105         New functions.
12106         * tree.def (TARGET_MEM_REF): Add comment on types of
12107         the operands.
12108
12109 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
12110
12111         * c-common.c (vector_types_convertible_p): Treat opaque types as
12112         always convertible if they have the same size, but not otherwise.
12113
12114 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
12115
12116         * ifcvt.c (struct noce_if_info): Add comments to the fields.
12117         Remove the b_unconditional field.
12118         (noce_try_sign_mask): Do not look at b_unconditional.
12119         (noce_process_if_block): Do not use merge_if_blocks.  Update
12120         the CFG here.  Do not set b_unconditional.
12121         (cond_move_process_if_block): Likewise.
12122         (find_cond_trap): Likewise.
12123         (check_cond_move_block): Require simple jump insns at the end
12124         of the basic block.
12125
12126 2007-01-11  Jan Hubicka  <jh@suse.cz>
12127
12128         PR tree-optimization/1046
12129         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
12130         when alias info is not ready.
12131         (pass_tail_recursion): Do not require aliasing.
12132         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
12133         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
12134         * tree-ssa-copy.c (pass_copy_prop): Likewise.
12135         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
12136         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
12137         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
12138         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
12139         before inlining.
12140         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
12141         When aliasing is not build, mark statement as volatile.
12142
12143 2007-01-11  Tom Tromey  <tromey@redhat.com>
12144
12145         PR preprocessor/15185, PR preprocessor/20989:
12146         * doc/cppopts.texi <-MT>: Update description of algorithm for
12147         computing default target.
12148         <-M, -MD>: Reword "basename" text.
12149
12150 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12151
12152         * builtins.c (expand_builtin_pow, expand_builtin_powi,
12153         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
12154         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12155         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
12156         fold_builtin_bswap, real_constp, fold_builtin_pow,
12157         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
12158         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
12159         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
12160         * convert.c (convert_to_pointer): Likewise.
12161         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12162         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
12163         const_binop, fold_convert_const_int_from_int,
12164         fold_convert_const_int_from_real,
12165         fold_convert_const_real_from_real, sign_bit_p,
12166         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
12167         fold_sign_changed_comparison, fold_unary, fold_comparison,
12168         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
12169         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12170         * print-tree.c (print_node_brief, print_node): Likewise.
12171         * stor-layout.c (place_field, layout_type): Likewise.
12172         * tree-chrec.c (keep_cast): Likewise.
12173         * tree.c (build_vector, build_real, build_real_from_int_cst,
12174         build_complex): Likewise.
12175
12176 2007-01-11  Roger Sayle  <roger@eyesopen.com>
12177
12178         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
12179         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
12180
12181 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
12182
12183         * configure.ac (strict1_warn): Rename to strict_warn.
12184         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
12185         cc_set_by_configure, quoted_cc_set_by_configure,
12186         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12187         all_boot_languages, all_stagestuff): Remove.
12188         (target_list): Remove bootstrap targets.
12189         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12190         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12191         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12192         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12193         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12194         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12195         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12196         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12197         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12198         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12199         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12200         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12201         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12202         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12203         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12204         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12205         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12206         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12207         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12208         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12209         (mostlyclean): Adjust.
12210         (clean, distclean): Don't mention bootstrap stuff.
12211         * configure: Regenerate.
12212         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12213         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12214         treelang/config-lang.in (stagestuff): Remove.
12215         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12216         stageprofile, stagefeedback, stagestuff): Remove mention.
12217
12218 2007-01-11  Nick Clifton  <nickc@redhat.com>
12219
12220         * config/mcore/predicates.md (mcore_general_movesrc_operand):
12221         Accept CONSTs.
12222         (mcore_general_movdst_operand): Do not accept CONST_INTs.
12223         (mcore_arith_K_S_operand): Run the test for the S constraint not
12224         the test for the M constraint.
12225         (mcore_addsub_operand): Do not accept integer values that are
12226         larger than 32 bits.
12227         * config/mcore/mcore.md: Remove unused constraints from split.
12228         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12229         (addsi3): Likewise.
12230         (allocate_stack): Likewise.
12231         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12232         operands to 32 bits.
12233         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12234         INTVAL.
12235         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12236         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12237         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12238         mcore_output_bclri, mcore_output_andn, output_inline_const,
12239         mcore_output_move, mcore_output_movedouble): Likewise.
12240         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12241         (output_inline_const): Likewise.
12242         (output_inline_const): Fix format strings used in sprintf
12243         statements.
12244         * config/mcore/mcore-protos.h: Update prototypes for changed
12245         functions in mcore.c.
12246         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12247         HOST_WIDE_INT and not int.
12248         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12249         CONST_OK_FOR_N): Likewise.
12250         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12251         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12252         an INTVAL.
12253
12254 2007-01-10  Jan Hubicka  <jh@suse.cz>
12255
12256         * tree-vrp.c (remove_range_assertions): Release defs.
12257         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12258         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12259
12260 2007-01-10  Paul Brook  <paul@codesourcery.com>
12261
12262         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12263         * config/arm/arm.md (mulsi3subsi): New insn.
12264
12265 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12266
12267         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12268         (tree_transform_and_unroll_loop): New.
12269         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12270         Declare.
12271
12272 2007-01-10  Robert Kennedy <jimbob@google.com>
12273
12274         * fold-const.c (fold_comparison): Fold comparisons like (x *
12275         1000 < 0) to (x < 0).
12276
12277 2007-01-10  Ian Lance Taylor  <iant@google.com>
12278
12279         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12280         operands have the same priority.
12281
12282 2007-01-10  Tom Tromey  <tromey@redhat.com>
12283
12284         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12285         (fold_binary): Likewise.
12286         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12287         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12288         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12289         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12290         * langhooks.h (struct lang_hooks): Removed field
12291         'can_use_bit_fields_p'.
12292
12293 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12294
12295         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12296
12297 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12298
12299         * function.c (get_last_funcdef_no): New function.
12300         * function.h (get_last_funcdef_no): Declare.
12301         * tree-inline.c (initialize_cfun): Add initialization.
12302         (tree_function_versioning): Cleanup.
12303
12304 2007-01-10  Jan Hubicka  <jh@suse.cz>
12305
12306         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12307         PHIs.
12308
12309 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12310             Ben Elliston  <bje@au.ibm.com>
12311
12312         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12313         for SAVE_NONLOCAL and Pmode for any other save level.
12314         * spu-protos.h (spu_restore_stack_block): Declare.
12315         * spu.md (save_stack_block): Remove.
12316         (restore_stack_block): Call spu_restore_stack_block.
12317         * spu.c (spu_restore_stack_block): New function.
12318         (spu_expand_epilogue): Remove old comment.
12319
12320 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12321
12322         PR tree-optimization/30322
12323         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12324         (cand_value_at): Return the value as aff_tree.
12325         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12326         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12327         aff_combination_mult): New functions.
12328         (aff_combination_add): Use aff_combination_add_cst.
12329         (aff_combination_convert): Allow conversions to a wider type.
12330         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12331         * tree-affine.h (aff_combination_mult): Declare.
12332
12333 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12334
12335         * doc/tm.texi: Update documentation to reflect reality of exec
12336         and start file search behaviours. Update copyright year.
12337         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12338         header file directories.
12339
12340 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12341
12342         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12343         (*cosxf2): Rename to cosxf2_i387.
12344         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12345         using X87MODEF12 mode macro. Rename patterns to
12346         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12347         for SSE math.
12348         (*cosdf2, *cossf2): Ditto.
12349         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12350         to match extended input operands.
12351         (sincos<mode>3): New expander.
12352         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12353         insn patterns and corresponding splitters.
12354
12355 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12356
12357         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12358         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12359
12360 2007-01-09  Nicolas Pitre  <nico@cam.org>
12361
12362         PR target/30173
12363         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12364
12365 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12366
12367         * target.h (struct gcc_target): New field library_rtti_comdat.
12368         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12369         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12370         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12371         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12372
12373 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12374
12375         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12376
12377 2007-01-08  Richard Guenther  <rguenther@suse.de>
12378
12379         * tree.h (force_fit_type_double): Export.
12380         (force_fit_type): Remove.
12381         * fold-const.c (force_fit_type_double): New function.
12382         (force_fit_type): Remove.
12383         (int_const_binop): Use it.
12384         (fold_convert_const_int_from_int): Likewise.
12385         (fold_convert_const_int_from_real): Likewise.
12386         (fold_div_compare): Likewise.
12387         (fold_sign_changed_comparison): Likewise.
12388         (fold_unary): Likewise.
12389         (fold_negate_const): Likewise.
12390         (fold_abs_const): Likewise.
12391         (fold_not_const): Likewise.
12392         * c-common.c (shorten_compare): Use force_fit_type_double.
12393         * convert.c (convert_to_pointer): Likewise.
12394
12395 2007-01-08  Richard Guenther  <rguenther@suse.de>
12396
12397         * tree.h (build_int_cst_wide_type): Export.
12398         * tree.c (build_int_cst_wide_type): New function.
12399         (build_int_cst_wide): Fix comment.
12400         * builtins.c (fold_builtin_object_size): Use build_int_cst
12401         to build -1 or 0 of the correct type.  Use fit_double_type
12402         to check for overflow.
12403         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12404         to build the mask.
12405         (decode_field_reference): Likewise.
12406         (all_ones_mask_p): Likewise.
12407         (native_interpret_int): Use build_int_cst_wide_type.
12408         (fold_binary): Use build_int_cst_type to build an all-ones
12409         value.
12410         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12411
12412 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12413
12414         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12415
12416 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12417
12418         * genautomata.c (STATS_OPTION): New option.
12419         (stats_flag): New flag.
12420         (gen_automata_option): Handle it.
12421         (initiate_automaton_gen): Ditto.
12422         (write_automata): Output statistics only if stats_flag is
12423         set. Likewise, output time statistics only if time_flag is set.
12424         * doc/md.texi (Processor pipeline description): Document new flag.
12425
12426 2007-01-08  Richard Guenther  <rguenther@suse.de>
12427
12428         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12429         * tree.c (build_int_cst_type): Likewise.
12430         (size_in_bytes): Don't call force_fit_type on the result.
12431         (int_fits_type_p): Use fit_double_type.
12432         * fold-const.c (fit_double_type): New function.
12433         (force_fit_type): Use it.
12434         * tree.h (fit_double_type): Export.
12435
12436 2007-01-08  Jan Hubicka  <jh@suse.cz>
12437
12438         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12439         * ipa.c (function_and_variable_visibility): Fix return type.
12440
12441 2007-01-08  Richard Guenther  <rguenther@suse.de>
12442
12443         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12444         of offset to build the index.
12445         * tree-pretty-print.c (dump_generic_node): Don't build negated
12446         const just for printing.
12447         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12448         * builtins.c (fold_builtin_int_roundingfn): Check if result
12449         fits the type by using force_fit_type and comparing the result.
12450         * predict.c (predict_loops): Use compare_tree_int for comparison.
12451         * tree.c (build_int_cst): Fall back to integer_type_node for
12452         NULL_TREE type.
12453         (build_int_cst_wide): Assert type is non-null.
12454
12455 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12456
12457         * tree-vrp.c (extract_range_from_cond_expr): New.
12458         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12459         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12460         as expressions.
12461         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12462         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12463         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12464         used as expressions.
12465         * tree-object-size.c (cond_expr_object_size): New.
12466         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12467
12468 2007-01-08  Jan Hubicka  <jh@suse.cz>
12469
12470         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12471         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12472         statement.
12473
12474 2007-01-08  Richard Guenther  <rguenther@suse.de>
12475
12476         PR tree-optimization/23603
12477         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12478         (extract_range_from_binary): Fall back to truthvalue instead of
12479         varying for TRUTH_*_EXPR.
12480         (extract_range_from_comparison): Fall back to truthvalue instead of
12481         varying.
12482         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12483         if all visited PHI values were constant.
12484
12485 2007-01-08  Jan Hubicka  <jh@suse.cz>
12486
12487         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12488         (cgraph_analyze_function): break out from ...
12489         (cgraph_finalize_compilation_unit): ... here.
12490         (cgraph_expand_function): Remove forgoten commented out line.
12491         (cgraph_optimize): Analyze functions.
12492
12493 2007-01-08  Jan Hubicka  <jh@suse.cz>
12494
12495         * tree-pas.h (TODO_remove_function): New flag.
12496         (TODO_update*): Renumber.
12497         (pass_ipa_increase_alignment,
12498         pass_ipa_function_and_variable_visibility): New passes.
12499         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12500         (cgraph_function_and_variable_visibility): Move to ipa.c
12501         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12502         cgraph_increase_alignment.
12503         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12504         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12505         calling tree-inline.
12506         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12507         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12508         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12509         (gate_increase_alignment): New function.
12510         (pass_ipa_increase_alignment): New pass.
12511         * ipa.c: Inline tree-pass.h and timevar.h
12512         (function_and_variable_visibility): Move here from cgraphunit.c
12513         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12514         * passes.c (init_optimization_passes): Add the two new passes.
12515         (execute_todo): Handle cgraph_remove_functions.
12516
12517 2007-01-08  Nick Clifton  <nickc@redhat.com>
12518
12519         * config/frv/predicates.md (reg_or_0_operand): Accept
12520         CONST_DOUBLEs.
12521
12522 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12523
12524         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12525         * config.gcc: Add bfin*-rtems*.
12526
12527 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12528
12529         * c.opt: Add -flax-vector-conversions.
12530         * c-typeck.c (convert_for_assignment): Pass flag to
12531         vector_types_convertible_p to allow emission of note.
12532         (digest_init): Likewise.
12533         * c-opts.c: Handle -flax-vector-conversions.
12534         * c-common.c (flag_lax_vector_conversions): New.
12535         (vector_types_convertible_p): Unless -flax-vector conversions
12536         has been passed, disallow conversions between vectors with
12537         differing numbers of subparts and/or element types.  If such
12538         a conversion is disallowed, possibly emit a note on the first
12539         occasion only to inform the user of -flax-vector-conversions.
12540         The new last argument specifies this.
12541         * c-common.h (flag_lax_vector_conversions): New.
12542         (vector_types_convertible_p): Add extra argument.
12543         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12544         char_type_node for V*QI type vectors.
12545         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12546         Update to satisfy new typechecking rules.
12547         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12548         C and C++ variants.
12549         * doc/invoke.texi (C Dialect Options): Document
12550         -flax-vector-conversions.
12551
12552 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12553
12554         PR tree-optimization/29877
12555         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12556         a register variable on the RHS to not be replaceable.
12557
12558 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12559         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12560         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12561         const_simm15, const_pow2, const_npow2): Added.
12562         * config/score/misc.md (insv, extv, extzv, movmemsi,
12563         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12564         * config/score/score.c (score_address_cost, score_select_cc_mode):
12565         Added.
12566         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12567         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12568         Update score_print_operand.
12569         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12570         Adjust register allocate order and update some macro define.
12571         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12572         mdx_block_move_straight, mdx_block_move_loop_head,
12573         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12574         mdx_block_move): Added.
12575         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12576         mdp_limm): Updated and fix some bug and typo.
12577         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12578         (movsf, movdf, doloop_end): Added.
12579
12580 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12581
12582         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12583         config/arm/thumb2.md: Fix comment typos.
12584         * doc/extend.texi: Fix a typo.
12585
12586 2007-01-07  Eric Christopher  <echristo@apple.com>
12587
12588         * configure.ac: Check for __stack_chk_fail for darwin.
12589         * configure: Regenerate.
12590
12591 2007-01-07  Richard Guenther  <rguenther@suse.de>
12592
12593         * tree-vrp.c (extract_range_from_assert): CSE calls to
12594         compare_values where possible.
12595         (extract_range_from_unary_expr): Likewise.
12596
12597 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12598
12599         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12600         * config/avr/avr.c (call_insn_operand): Delete function.
12601         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12602         instead of register number. Use predicates.
12603         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12604         call_insn_operand): Add.
12605
12606 2007-01-06  Jan Hubicka  <jh@suse.cz>
12607
12608         * tree-pass.h (pass_build_cgraph_edges): Declare.
12609         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12610         (visited_nodes): Remove.
12611         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12612         build_cgrpah_edges; make visited_nodes local.
12613         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12614         (record_references_in_initializer): Move to cgraphbuild.c
12615         (initialize_inline_failed, rebuild_cgraph_edges,
12616         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12617         (verify_cgraph_node): Make visited_nodes local.
12618         (cgraph_analyze_function): Do not call cgraph_create_edges and
12619         initialize_inline_failed.
12620         (cgraph_expand_function): Do not call cgraph_lower_function;
12621         assert that function is already lowered.
12622         * Makefile.in (cgraphbuild.o): New.
12623         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12624         at the end of lowering passes.
12625
12626 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12627
12628         * ifcvt.c (cond_move_convert_if_block): New function, code
12629         factored out from...
12630         (cond_move_process_if_block): ...here.  Call the new function
12631         on the THEN and ELSE blocks.
12632         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12633         already takes care of this.
12634
12635 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12636
12637         PR c/19978
12638         * tree.h (TREE_OVERFLOW_P): New.
12639         * c-typeck.c (parser_build_unary_op): Warn only if result
12640         overflowed and operands did not.
12641         (parser_build_binary_op): Likewise.
12642         (convert_for_assignment): Remove redundant overflow_warning.
12643         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12644
12645 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12646
12647         * c-typeck.c (store_init_value): Split over two lines to follow
12648         the GNU coding style.
12649
12650 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12651
12652         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12653         __GXX_EXPERIMENTAL_CXX0X__.
12654         * doc/cpp.texi: Same.
12655
12656 2007-01-05  Richard Guenther  <rguenther@suse.de>
12657
12658         PR middle-end/27826
12659         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12660         with mismatched types.  Instead explicitly build a
12661         conversion NOP_EXPR.
12662
12663 2007-01-05  Ian Lance Taylor  <iant@google.com>
12664
12665         * c-common.c (decl_with_nonnull_addr_p): New function.
12666         (c_common_truthvalue_conversion): Call it.
12667         * c-typeck.c (build_binary_op): Likewise.
12668         * c-common.h (decl_with_nonnull_addr_p): Declare.
12669
12670 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12671
12672         PR c/30360
12673         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12674         denom against 0.0.
12675
12676 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12677
12678         * doc/install.texi (Final install): Document the fact that
12679         the GNAT runtime should not be stripped.
12680
12681 2007-01-04  Jan Hubicka  <jh@suse.cz>
12682
12683         * tree-inline.c (fold_marked_statements): Update operand caches
12684         and EH after folding
12685
12686 2007-01-04  Ian Lance Taylor  <iant@google.com>
12687
12688         * c-common.c (check_function_nonnull): Whitespace fix.
12689
12690 2007-01-04  Jan Hubicka  <jh@suse.cz>
12691
12692         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12693         comitted older version of patch.
12694         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12695         function, celanup cfg and collect garbage.
12696
12697 2007-01-04  Mike Stump  <mrs@apple.com>
12698
12699         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12700         (clean): Likewise.
12701
12702 2007-01-04  Eric Christopher  <echristo@apple.com>
12703
12704         * libgcc2.c (__bswapsi2): Use SItype.
12705         (__bswapdi2): Use DItype.
12706         * libgcc2.h: Update for above.
12707
12708 2007-01-04  Paul Brook  <paul@codesourcery.com>
12709
12710         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12711         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12712         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12713         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12714         umulsi3_highpart): Make conditional on !arm_arch6.
12715         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12716         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12717         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12718         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12719         umulsi3_highpart_v6): New insns.
12720
12721 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12722
12723         * fold-const.c (fold_convert): When casting an expression to void,
12724         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12725         have a type.  Instead of attempting to build a NOP_EXPR, return
12726         these "special" trees directly.
12727
12728 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12729
12730         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12731         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12732         rs6000_cost->fp not 0 as adjustment for outer NEG.
12733
12734 2007-01-04  Jan Hubicka  <jh@suse.cz>
12735
12736         * cgraph.c (cgraph_release_function_body): New function.
12737         (cgraph_remove_node): Use it.
12738         * cgraph.h (cgraph_release_function_body): Declare.
12739         * cgraphunit.c (cgraph_expand_function): Use it.
12740         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12741         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12742         is initialized and while compilation of other function is running.
12743         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12744         statement CFG annotations from here to ...
12745         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12746
12747 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12748
12749         * cfgloop.h (enum li_flags): Make the constants powers of two.
12750
12751 2007-01-04  Jan Hubicka  <jh@suse.cz>
12752
12753         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12754         set.
12755         (fold_marked_statements): New function.
12756         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12757         * tree-inline.h (copy_body_data): Add statements_to_fold.
12758
12759 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12760
12761         * config.gcc: Mention libgcc/config.host.
12762         * Makefile.in: Update comments mentioning libgcc.
12763         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12764         (all.cross, start.encap, rest.encap, rest.cross): Update
12765         dependencies for libgcc move.
12766         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12767         (clean-target, clean-target-libgcc): Delete.
12768         (srcdirify, GCC_EXTRA_PARTS): New macros.
12769         (libgcc-support, libgcc.mvars): New rules.
12770         (distclean): Remove mention of mklibgcc.
12771         (install): Don't reference INSTALL_LIBGCC.
12772         (install-common): Don't reference EXTRA_PARTS.
12773         (install-libgcc, install-multilib): Delete rules.
12774         * mklibgcc.in: Delete file.
12775         * doc/configfiles.texi: Don't mention mklibgcc.
12776
12777         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12778         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12779         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12780         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12781         (mklibgcc, ldblspecs): Likewise.
12782
12783         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12784         (posixpre.def): Use $(T).
12785         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12786         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12787         (SHLIB_LINK): Make dummy.
12788         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12789
12790         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12791
12792         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12793         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12794         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12795         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12796
12797         * configure.ac (all_outputs): Remove mklibgcc.
12798         * configure: Regenerated.
12799
12800 2007-01-03  Josh Conner  <jconner@apple.com>
12801
12802         PR middle-end/29683
12803         * calls.c (compute_argument_addresses): Set stack and stack_slot
12804         for partial args, too.
12805         (store_one_arg): Use locate.size.constant for the size when
12806         generating a save_area.
12807
12808 2007-01-03  Robert Kennedy <jimbob@google.com>
12809
12810         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12811         whose definitions are deleted due to basic block merging.
12812
12813 2007-01-03  Paul Brook  <paul@codesourcery.com>
12814
12815         PR target/16634
12816         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12817         functions.
12818         (use_return_insn): Return 0 for Thumb interrupt functions.
12819         (print_multi_reg): Add rfe argument for IRQ returns.
12820         (arm_output_epilogue): Pop interrupt return address directly into PC.
12821         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12822
12823 2007-01-03  Paul Brook  <paul@codesourcery.com>
12824
12825         Merge from sourcerygxx-4_1.
12826         * config/arm/thumb2.md: New file.
12827         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12828         Thumb-2.
12829         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12830         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12831         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12832         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12833         tables.
12834         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12835         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12836         comptibility.
12837         * config/arm/ieee754-sf.S: Ditto.
12838         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12839         (thumb1_base_register_rtx_p): ... to this.
12840         (thumb_index_register_rtx_p): Rename...
12841         (thumb1_index_register_rtx_p): ... to this.
12842         (thumb_output_function_prologue): Rename...
12843         (thumb1_output_function_prologue): ... to this.
12844         (thumb_legitimate_address_p): Rename...
12845         (thumb1_legitimate_address_p): ... to this.
12846         (thumb_rtx_costs): Rename...
12847         (thumb1_rtx_costs): ... to this.
12848         (thumb_compute_save_reg_mask): Rename...
12849         (thumb1_compute_save_reg_mask): ... to this.
12850         (thumb_final_prescan_insn): Rename...
12851         (thumb1_final_prescan_insn): ... to this.
12852         (thumb_expand_epilogue): Rename...
12853         (thumb1_expand_epilogue): ... to this.
12854         (arm_unwind_emit_stm): Rename...
12855         (arm_unwind_emit_sequence): ... to this.
12856         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12857         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12858         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12859         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12860         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12861         thumb2_output_casesi): New functions.
12862         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12863         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12864         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12865         THUMB2_WORK_REGS): Define.
12866         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12867         arm_condexec_mask, arm_condexec_masklen)): New variables.
12868         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12869         (arm_override_options): Check new CPU capabilities.
12870         Set new architecture flag variables.
12871         (arm_isr_value): Handle v7m interrupt functions.
12872         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12873         Thumb-2.
12874         (const_ok_for_arm): Handle Thumb-2 constants.
12875         (arm_gen_constant): Ditto.  Use movw when available.
12876         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12877         functions.
12878         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12879         (thumb_find_work_register, arm_load_pic_register,
12880         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12881         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12882         print_multi_reg, output_mov_long_double_fpa_from_arm,
12883         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12884         output_mov_double_fpa_from_arm, output_move_double,
12885         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12886         output_return_instruction, arm_output_function_prologue,
12887         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12888         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12889         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12890         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12891         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12892         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12893         '!' and 'L'.
12894         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12895         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12896         (arm_file_start): Output directive for unified syntax.
12897         (arm_unwind_emit_set): Handle stack alignment instruction.
12898         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12899         Add v6t2, v7, v7a, v7r and v7m.
12900         (RETLDM): Add Thumb-2 code.
12901         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12902         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12903         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12904         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12905         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12906         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12907         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12908         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12909         ADJUST_INSN_LENGTH): Define.
12910         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12911         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12912         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12913         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12914         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12915         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12916         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12917         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12918         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12919         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12920         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12921         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12922         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12923         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12924         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12925         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12926         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12927         cortex-m3.
12928         * config/arm/arm-tune.md: Regenerate.
12929         * config/arm/arm-protos.h: Update prototypes.
12930         * config/arm/vfp.md: Enable patterns for Thumb-2.
12931         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12932         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12933         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12934         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12935         * config/arm/libunwind.S: Add Thumb-2 code.
12936         * config/arm/constraints.md: Update include Thumb-2.
12937         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12938         * config/arm/ieee754-df.S: Ditto.
12939         * config/arm/bpabi.S: Ditto.
12940         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12941         * config/arm/predicates.md (low_register_operand,
12942         low_reg_or_int_operand, thumb_16bit_operator): New.
12943         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12944         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12945         * config/arm/t-arm-elf: Add armv7 multilib.
12946         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12947         Include thumb2.md.
12948         (UNSPEC_STACK_ALIGN, ce_count): New.
12949         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12950         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12951         insns/expanders.
12952         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12953         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12954         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12955         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12956         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12957         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12958         insns.
12959         * doc/extend.texi: Document ARMv7-M interrupt functions.
12960         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12961
12962 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12963
12964         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12965         (struct _Unwind_Context): Rename args_size to flags, remove
12966         signal_frame field, add a new args_size field and version field.
12967         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12968         _Unwind_IsExtendedContext): New inline functions.
12969         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12970         Assume by_value array is only present if _Unwind_IsExtendedContext.
12971         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12972         _Unwind_IsSignalFrame.
12973         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12974         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12975         (uw_init_context_1): Initialize context->flags to
12976         EXTENDED_CONTEXT_BIT.
12977         * config/rs6000/linux-unwind.h (frob_update_context): Use
12978         _Unwind_SetSignalFrame.
12979
12980 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12981
12982         PR middle-end/30353
12983         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12984         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12985         the value.
12986
12987 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12988
12989         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12990         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12991         RET, AT_SP): Remove.
12992         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12993         instead of RET.
12994
12995         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12996         * cfgbuild.c (find_basic_blocks): Likewise.
12997         * cfgrtl.c (rtl_create_basic_block): Likewise.
12998         * function.c (temp_slots_at_level): Likewise.
12999         * reg-stack.c (stack_regs_mentioned): Likewise.
13000         * regclass.c (allocate_reg_info): Likewise.
13001         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13002         set_bb_for_stmt, move_block_to_fn): Likewise.
13003         * tree-complex.c (tree_lower_complex): Likewise.
13004         * vec.h (VEC_safe_grow_cleared): New.
13005
13006         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
13007
13008 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
13009
13010         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
13011         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
13012         to loop_version.
13013         * cfgloopmanip.c (scale_loop_frequencies): Export.
13014         (loopify): Scale the frequencies by prescribed coefficients.
13015         (set_zero_probability): New function.
13016         (duplicate_loop_to_header_edge): Improve updating of frequencies.
13017         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
13018         and frequencies according to arguments.
13019         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
13020         correctly.
13021         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
13022         * modulo-sched.c (sms_schedule): Set probabilities for entering
13023         versioned loop correctly.
13024         * tree-vect-transform.c (vect_transform_loop): Ditto.
13025         * cfgloop.h (loopify, loop_version): Declaration changed.
13026         (scale_loop_frequencies): Declared.
13027
13028 2007-01-02  Jan Hubicka  <jh@suse.cz>
13029
13030         * cgraph.c: Include tree-flow.h
13031         (cgraph_add_new-function): Handle IPA_SSA mode; execute
13032         early_local_passes.
13033         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
13034         * tree-pass.h (pass_all_early_optimizations): Declare.
13035         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
13036         early_local_passes.
13037         (cgraph_analyze_function): Do early_local_passes.
13038         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13039         Do not add referenced vars.
13040         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
13041         SSA form.
13042         (gate_all_early_local_passes): New gate.
13043         (pass_early_local_passes): Use new gate.
13044         (execute_early_local_optimizations): New functions.
13045         (gate_all_early_optimizations): New gate.
13046         (pass_all_early_optimizations): New pass.
13047         (execute_free_datastructures): Free SSA only when initialized.
13048         (gate_init_datastructures): Init only when optimizing.
13049         (tree_lowering_passes): Do early local passes when called late.
13050         * tree-profile.c (do_tree_profiling): Don't profile functions added
13051         late.
13052         (do_early_tree_profiling, pass_early_tree_profile): Kill.
13053         * tree-cfg.c (update_modified_stmts): Do not update when operands are
13054         not active.
13055         * passes.c (init_optimizations_passes): Reorder so we go into SSA
13056         during early_local_passes.
13057         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
13058
13059
13060 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13061
13062         * Makefile.in: Update copyright year.
13063
13064 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
13065
13066         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
13067         in $(lang_checks) and check-consistency targets.
13068
13069 2007-01-02  Jan Hubicka  <jh@suse.cz>
13070
13071         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13072         Do not add referenced vars.
13073         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
13074         are not active.
13075         * passes.c (init_optimization_passes): Put mudflap_2 after
13076         free_datastructures.
13077
13078 2007-01-02  Jan Hubicka  <jh@suse.cz>
13079
13080         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
13081         Set NOTHROW flag on call statements proved to be nothrow.
13082         Update statement of local calls so new pure/const functions are
13083         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
13084         goto receivers.
13085         (tree_rest_of_compilation): Register hooks and initialize bitmap
13086         early. Do not set after_inlining flag.
13087
13088 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
13089
13090         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
13091         HOST_BITS_PER_LONGLONG
13092
13093 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13094
13095         PR c/19977
13096         * c-typeck.c (store_init_value): Don't emit pedantic overflow
13097         warning for non-static initializers.
13098
13099 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
13100
13101         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
13102         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
13103         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
13104         Always use set_unique_reg_note to add REG_EQUAL notes.
13105
13106 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13107
13108         Revert:
13109         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13110
13111         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13112         * cfgbuild.c (find_basic_blocks): Likewise.
13113         * cfgrtl.c (rtl_create_basic_block): Likewise.
13114         * function.c (temp_slots_at_level): Likewise.
13115         * reg-stack.c (stack_regs_mentioned): Likewise.
13116         * regclass.c (allocate_reg_info): Likewise.
13117         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13118         set_bb_for_stmt, move_block_to_fn): Likewise.
13119         * tree-complex.c (tree_lower_complex): Likewise.
13120         * vec.h (VEC_safe_grow_cleared): New.
13121
13122 2007-01-02  Ian Lance Taylor  <iant@google.com>
13123
13124         * c-common.c (c_common_truthvalue_conversion): When warning about
13125         using an assignment as a truth value, set TREE_NO_WARNING.
13126
13127 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13128
13129         PR middle-end/7651
13130         * c.opt (Wold-style-declaration): New.
13131         * doc/invoke.texi (C-only Warning Options): New.
13132         (Wold-style-declaration): Document it.
13133         (Wextra): Enabled by -Wextra.
13134         * c-opts.c (c_common_post_options): Enabled by -Wextra.
13135         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
13136         -Wold-style-declaration.
13137
13138 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
13139
13140         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13141         * cfgbuild.c (find_basic_blocks): Likewise.
13142         * cfgrtl.c (rtl_create_basic_block): Likewise.
13143         * function.c (temp_slots_at_level): Likewise.
13144         * reg-stack.c (stack_regs_mentioned): Likewise.
13145         * regclass.c (allocate_reg_info): Likewise.
13146         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13147         set_bb_for_stmt, move_block_to_fn): Likewise.
13148         * tree-complex.c (tree_lower_complex): Likewise.
13149         * vec.h (VEC_safe_grow_cleared): New.
13150
13151 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
13152
13153         * c-common.c (c_common_nodes_and_builtins): Since variants of
13154         void_type_node get built before it is given a name, we need to
13155         give those variants the name, too.
13156         (complete_array_type): We need to work with the canonical main
13157         type of the array, from which we will build the qualified version.
13158         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
13159         * print-tree.c (print_node): Display canonical type information
13160         for each type.
13161         * stor-layout.c (layout_type): When we don't know the
13162         alignment of a type for which we're building an array, we end up
13163         guessing wrong, so make the type require structural equality.
13164         * tree.c (make_node_stat): When we build a new type, it is its
13165         own canonical type.
13166         (build_type_attribute_qual_variant): When building an attribute
13167         variant, its canonical type is the non-attribute variant. However,
13168         if the attributes are target-dependent and they differ, we need to
13169         use structural equality checks for this type.
13170         (build_qualified_type): A qualified type is not equivalent to its
13171         unqualified variant; set the canonical type appropriately.
13172         (build_distinct_type_copy): When building a distinct type from
13173         another type, the new type is its own canonical type.
13174         (build_variant_type_copy): When building a new type variant, we
13175         assume that it is equivalent to the original type.
13176         (build_pointer_type_for_mode): When building a pointer type, also
13177         build a canonical type pointer.
13178         (build_reference_type_for_mode): When building a reference type,
13179         also build a canonical type reference.
13180         (build_index_type): When we can't hash an index type (e.g.,
13181         because its maximum value is negative), the index type requires
13182         structural equality tests.
13183         (build_array_type): Build the canonical form of an array type.
13184         (build_function_type): Function types require structural equality,
13185         because they contain default arguments, attributes, etc.
13186         (build_method_type_directly): Ditto for method types.
13187         (build_offset_type): Build the canonical offset type.
13188         (build_complex_type): Build the canonical vector type.
13189         (make_vector_type): Build the canonical vector type.
13190         * tree.h (TYPE_CANONICAL): New.
13191         (TYPE_STRUCTURAL_EQUALITY_P): New.
13192         (SET_TYPE_STRUCTURAL_EQUALITY): New.
13193         (struct tree_type): Added "canonical" field.
13194         * params.h (VERIFY_CANONICAL_TYPES): New.
13195         * doc/c-tree.texi (TYPE_CANONICAL): Document.
13196         (TYPE_STRUCTURAL_EQUALITY_P): Document.
13197         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13198         * doc/invoke.texi (verify-canonical-types): Document --param
13199         parameter for verifying canonical types.
13200
13201 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13202
13203         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13204         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13205         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13206         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13207         tm_file.
13208         * config/rs6000/e500.h: New.
13209         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13210         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13211         Remove.
13212         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13213         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13214         TARGET_E500_DOUBLE): Remove.
13215         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13216         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13217         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13218         * config/rs6000/rs6000.c (rs6000_override_options): Use
13219         CHECK_E500_OPTIONS.
13220
13221 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13222
13223         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13224         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13225         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13226         rs6000_emit_cmove): Don't check TARGET_E500.
13227         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13228         sordered): Don't check TARGET_E500.
13229
13230 2007-01-01  Eric Christopher  <echristo@apple.com>
13231
13232         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13233         HARD_REGISTER_NUM_P.
13234
13235 2007-01-01  Roger Sayle  <roger@eyesopen.com>
13236
13237         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13238         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13239         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13240         eq/ne Y".
13241
13242 2007-01-01  Mike Stump  <mrs@apple.com>
13243
13244         * configure.ac: Remove support for building with Apple's gcc-3.1.
13245
13246 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
13247
13248         PR middle-end/30311
13249         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13250         REG is a hard register.  Do not modify REG before calling
13251         subreg_nregs.
13252         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13253         multiple of the size of YMODE for certain lowpart cases.
13254
13255 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13256
13257         PR middle-end/30253
13258         * gimplify (voidify_wrapper_expr): Update for
13259         GIMPLE_MODIFY_STMT.
13260
13261 2007-01-01  Andreas Schwab  <schwab@suse.de>
13262
13263         PR target/29166
13264         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13265         save of BR0 in extra_spill_size instead of spill_size.
13266         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13267         area.
13268         (ia64_expand_epilogue): Restore BR0 from its new location.
13269
13270 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13271
13272         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13273         Use a temporary variable if the left hand side is not a gimple
13274         register.
13275
13276 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13277
13278         * gimplify.c (gimplify_return_expr): Make the temporary variable
13279         for the return expression, a gimple register variable.
13280
13281 2007-01-01  Jan Hubicka  <jh@suse.cz>
13282
13283         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13284         INSN_LIST.
13285
13286 2007-01-01  Mike Stump  <mrs@apple.com>
13287
13288         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13289         .literal16.
13290         * config/darwin.c (machopic_select_rtx_section): Use
13291         HAVE_GAS_LITERAL16.
13292         (darwin_mergeable_constant_section): Likewise.
13293         * configure: Regenerate.
13294         * config.in: Regenerate.
13295
13296 2007-01-01  Jan Hubicka  <jh@suse.cz>
13297             Andrew Pinski  <pinskia@gmail.com>
13298
13299         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13300         before starting IPA passes.