gcc/ChangeLog

   1 2007-01-21  Dirk Mueller  <dmueller@suse.de>
   2
   3         PR bootstrap/30511
   4         * tree-vrp.c (check_array_bounds): do not warn
   5         about ADDR_EXPR's of ARRAY_REF's which are immediately
   6         used in binary expressions.
   7
   8 2007-01-21  Ira Rosen  <irar@il.ibm.com>
   9
  10         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
  11         read_write_dep and macros for its access.
  12         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
  13         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
  14         argument, call vect_check_interleaving for every independent pair of
  15         data-refs. Mark loads that access the same memory location as a store
  16         in the loop.
  17         (vect_check_dependences): Remove.
  18         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
  19         call, fix the call to vect_analyze_data_ref_dependence.
  20         (vect_analyze_data_ref_access): For statements that access the same
  21         data-ref, check that they are not stores; for loads, check that there
  22         is no store that access the same location.
  23
  24 2007-01-20  Roger Sayle  <roger@eyesopen.com>
  25             Joseph Myers  <joseph@codesourcery.com>
  26
  27         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
  28         (-fdump-rtl-stack): Likewise.
  29         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
  30         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
  31         (-mpt-fixed): Use @minus{} for minus sign.
  32         (Using Precompiled Headers): Fix under/overfull hbox.
  33
  34 2007-01-20  Jan Hubicka  <jh@suse.cz>
  35
  36         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
  37         place within annotation.
  38
  39 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  40
  41         * pa.c (output_move_double): Change array size of xoperands to 4.
  42
  43 2007-01-20  Jan Hubicka  <jh@suse.cz>
  44
  45         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
  46         as temporary.
  47
  48 2007-01-19  Ian Lance Taylor  <iant@google.com>
  49
  50         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
  51         constant to unsigned HOST_WIDE_INT before negating.
  52
  53 2007-01-19  Ian Lance Taylor  <iant@google.com>
  54
  55         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
  56         to unsigned.
  57         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
  58         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
  59         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
  60         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
  61         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
  62         (realloc_vdef, realloc_vuse): Change second parameter to
  63         unsigned.
  64         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
  65         fields to unsigned.
  66         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
  67         unsigned. Change x and lim locals to unsigned.
  68         (realloc_vdef, realloc_vuse): Change num_elem parameter to
  69         unsigned.
  70         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
  71         (copy_virtual_operands): Change i and n locals to unsigned.
  72
  73 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  74
  75         PR middle-end/29335
  76         * builtins.c (fold_builtin_1): Handle builtin fdim.
  77
  78 2007-01-20  Jan Hubicka  <jh@suse.cz>
  79
  80         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
  81         * tree-ssa-structalias.c (compute_points_to_sets): Do call
  82         init_alias_heapvars.
  83         (init_alias_heapvars): Initialize only when not already initialized.
  84         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
  85
  86 2007-01-19  Roger Sayle  <roger@eyesopen.com>
  87
  88         * common.opt (fsigned-zeros): New command line option.
  89         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
  90         of flag_unsafe_math_optimizations.
  91         * opts.c (set_fast_math_flags): The -ffast-math command line option
  92         implies -fno-signed-zeros.
  93         (fast_math_flags_set_p): Likewise.
  94
  95         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
  96         the documentation of -ffast-math appropriately.  Wrap long lines.
  97
  98 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
  99
 100         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
 101         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
 102
 103 2007-01-19  Tomas Bily  <tbily@suse.cz>
 104
 105         * cgraphunit.c (cgraph_finalize_function): Updating of pid
 106         * tree-profile.c:
 107         (tree_init_ic_make_global_vars): New function
 108         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
 109         (tree_gen_ic_profiler): New function
 110         (tree_gen_ic_func_profiler): New function
 111         (tree_profiling): Added calling of tree_gen_ic_func_profiler
 112         (tree_profile_hooks): Added hook for indirec/virtual calls
 113         * value-prof.c (tree_find_values_to_profile): New case for
 114         indirect calls
 115         (tree_values_to_profile): Call for determining indirect/virtual
 116         counters
 117         (tree_indirect_call_to_profile): New function
 118         (tree_ic_transform): New function
 119         (tree_ic): New function
 120         (find_func_by_pid): New function
 121         (init_pid_map): New function
 122         (tree_value_profile_transformations): Added check for
 123         indirect/virtual call transformation
 124         * value-prof.h (enum hist_type): New counter type for
 125         indirect/virtual calls
 126         (profile_hooks): Added new hook for profiling indirect/virtual
 127         calls
 128         * profile.c (instrument_values): New case for indirect/virtual
 129         call added
 130         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
 131         (GCOV_COUNTER_V_INDIR): New counter type
 132         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
 133         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
 134         call added
 135         * cgraph.c: Definition of cgraph_max_pid
 136         (cgraph_create_node): Default init of pid attribute
 137         * cgraph.h: Declaration of cgraph_max_pid
 138         (struct cgraph_node): Added pid attribute
 139         * libgcov.c (__gcov_indirect_call_profiler): New function
 140         (__gcov_one_value_profiler_body): New function
 141         (__gcov_one_value_profiler): Body was moved to
 142         __gcov_one_value_profiler_body and calls it
 143
 144 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
 145
 146         * doc/gty.texi (Options): Document the mark_hook option to GTY.
 147         * gengtype.c (write_types_data, write_func_for_structure,
 148         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
 149         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
 150         (walk_type, write_func_for_structure): Generate the mark_hook if
 151         needed.
 152
 153 2007-01-19  Jan Hubicka  <jh@suse.cz>
 154
 155         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument
 156         take inlining mode argument specifying whether to inline for size/speeed or all
 157         functions; add support for flattening; improve dumpting.
 158         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
 159
 160 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 161
 162         PR c++/17947
 163         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
 164         the name of the declared identifier.
 165
 166 2007-01-19  Dirk Mueller  <dmueller@suse.de>
 167
 168         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
 169         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
 170         duplicate evaluation.
 171
 172 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
 173
 174         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
 175         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
 176         to XFMode, use acosxf2 and truncate result to requested mode.
 177         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
 178         (asin<mode>2): Similarly, with asin expanders.
 179         (*fscalexf4_i387): Rename from *fscalexf4.
 180         (expNcorexf3): New expander.
 181         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
 182         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
 183         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
 184         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
 185         patterns for SSE math.
 186         (exp10<mode>2): Similarly, with exp10 expanders.
 187         (exp2<mode>2): Similarly, with exp2 expanders.
 188         (expm1<mode>2): Similarly, with expm1 expanders.
 189         (ldexp<mode>3): Similarly, with ldexp expanders.
 190         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
 191         Use gen_truncxf<mode>2_i387_noop to truncate result.
 192
 193 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 194
 195         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
 196         for ColdFire targets.
 197
 198 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
 199             Richard Sandiford  <richard@codesourcery.com>
 200
 201         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
 202         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
 203         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
 204         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
 205         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
 206         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
 207
 208 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 209
 210         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
 211         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
 212         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
 213         (*adddi_dilshr32_cf): New pattern.
 214         (adddi3, subdi3): Remove first alternatives.
 215
 216 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 217
 218         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
 219         implemented using move.l, do not use its cc result for floating-point
 220         comparisons.
 221
 222 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 223
 224         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
 225         from accepting 's' constraints if flag_pic.
 226
 227 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 228
 229         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
 230         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
 231         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
 232         condition from TARGET_68881 to TARGET_HARD_FLOAT.
 233
 234 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
 235
 236         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
 237         ColdFire alternatives.
 238         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
 239         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
 240         architectures that support ff1 instruction.
 241
 242 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 243             Julian Brown  <julian@codesourcery.com>
 244
 245         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
 246         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
 247         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
 248         Add commentary.
 249
 250 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
 251
 252         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
 253         and return a bool.
 254         (output_move_const_into_data_reg, output_move_simode_const): Delete.
 255         * config/m68k/m68k.c (const_method, const_int_cost): Take a
 256         HOST_WIDE_INT instead of an rtx.
 257         (m68k_rtx_costs): Update call accordingly.
 258         (output_move_const_into_data_reg): Likewise.  Fix formatting.
 259         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
 260         Return a bool.
 261         (output_move_simode_const): Update calls after above changes.
 262         Rework to use automatic variables and predicates like MEM_P.
 263         * config/m68k/m68k.md (pushexthisi_const): Update call to
 264         valid_mov3q_const.
 265
 266 2007-01-19  Dirk Mueller  <dmueller@suse.de>
 267
 268         * tree-ssa-alias.c (perform_var_substitution): Fix typo
 269         in dump_flags test.
 270
 271 2007-01-19  Richard Guenther  <rguenther@suse.de>
 272
 273         * builtins.c (expand_builtin_cexpi): Fall back to expanding
 274         via cexp in case sincos is not available.
 275
 276 2007-01-19  Richard Guenther  <rguenther@suse.de>
 277
 278         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
 279         * defaults.h (TARGET_HAS_SINCOS): Default to off.
 280         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
 281         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
 282         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
 283         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
 284         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
 285         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
 286
 287 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
 288
 289         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
 290         New insn patterns.
 291         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
 292         (atan2xf3): Directly generate RTL pattern.
 293         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
 294         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
 295         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
 296         disable patterns for SSE math.
 297         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
 298         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
 299         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
 300         disable patterns for SSE math.
 301
 302 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
 303
 304         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
 305
 306 2007-01-18  Roger Sayle  <roger@eyesopen.com>
 307
 308         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
 309         VIEW_CONVERT_EXPR to the same type as it's operand.
 310
 311 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
 312
 313         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
 314         configured for long double 128.
 315
 316 2007-01-18  Mike Stump  <mrs@apple.com>
 317
 318         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
 319         error.
 320
 321 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
 322
 323         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
 324         type correct.
 325
 326 2007-01-18  Jan Hubicka  <jh@suse.cz>
 327
 328         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
 329         greater than NUM_VOP_FREE_BUCKETS.
 330
 331 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
 332
 333         * tree-ssa-structalias.c: Update comments.
 334         (ptabitmap_obstack): Removed.
 335         (pta_obstack): New.
 336         (oldpta_obstack): Ditto.
 337         (stats): Add a few members.
 338         (struct variable_info): Remove node, complex, address_taken, and
 339         indirect_target members. Add oldsolution member.
 340         (new_var_info): Do not initialize removed members.
 341         (constraint_expr_type): Remove INCLUDES.
 342         (constraint_graph): Add size, implicit_preds, rep,
 343         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
 344         (FIRST_REF_NODE): New macro.
 345         (LAST_REF_NODE): Ditto.
 346         (FIRST_ADDR_NODE): Ditto.
 347         (find): New function.
 348         (unite): Ditto.
 349         (dump_constraint): Do not handle INCLUDES.
 350         (insert_into_complex): Do not insert duplicate constraints.
 351         (condense_varmap_nodes): Renamed and rewritten into ...
 352         (merge_node_constraints): This. Also fix bug in handling of
 353         offseted copy constraints.
 354         (clear_edges_for_node): No longer need to deal with preds at all,
 355         or removing associated preds/succs.
 356         (merge_graph_nodes): Deal with indirect_cycles.
 357         Don't deal with predecessors.
 358         (add_implicit_graph_edge): New function.
 359         (add_pred_graph_edge): Ditto.
 360         (add_graph_edge): Don't deal with predecessors.
 361         (build_constraint_graph): Removed.
 362         (build_pred_graph): New function.
 363         (build_succ_graph): Ditto.
 364         (struct scc_info): Removed in_component. Added roots, dfs, and
 365         node_mapping. Remove visited_index, unification_queue.
 366         (scc_visit): Deal with union-find we do now.
 367         Deal with cycles with REF nodes.
 368         (collapse_nodes): Renamed and rewritten to ...
 369         (unify_nodes): This.
 370         (process_unification_queue): Removed.
 371         (topo_visit): Cleanup
 372         (do_da_constraint): Use find.
 373         (do_sd_constraint): Ditto.
 374         (do_ds_constraint): Ditto.
 375         (do_complex_constraint): Ditto.
 376         (init_scc_info): Update for removed and added members.
 377         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
 378         (find_indirect_cycles): This.
 379         (equivalence_class): New variable.
 380         (label_visit): New function.
 381         (perform_variable_substitution): Rewritten.
 382         (free_var_substitution_info): New function.
 383         (find_equivalent_node): Ditto.
 384         (move_complex_constraints): Ditto.
 385         (eliminate_indirect_cycles): Ditto.
 386         (solve_graph): Only propagate changed bits.
 387         Use indirect cycle elimination.
 388         Use find.
 389         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
 390         (tree_id_eq): Renamed to ...
 391         (tree_vi_eq): This. Update for member change
 392         (insert_id_for_tree): Renamed and rewritten to ...
 393         (insert_vi_for_tree): This.
 394         (lookup_id_for_tree): Renamed and rewritten to ...
 395         (lookup_vi_for_tree): This.
 396         (get_id_for_tree): Renamed and rewritten to ...
 397         (get_vi_for_tree): Ditto.
 398         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
 399         (process_constraint): Don't handle INCLUDES.
 400         Remove special ADDRESSOF case.
 401         (find_func_aliases): Rewrite to use vi functions instead of id
 402         ones.
 403         (create_function_info_for): Ditto.
 404         (create_variable_info_for): Ditto.
 405         (intra_create_variable_infos): Ditto.
 406         (merge_smts_into): Ditto.
 407         (find_what_p_points_to): Ditto.
 408         (init_base_vars): Ditto.
 409         (init_alias_vars): Ditto.
 410         (remove_preds_and_fake_succs): New function.
 411         (dump_sa_points_to_info): Dump new stats.
 412         (dump_solution_for_var): Use find.
 413         (set_used_smts): Fix formatting.
 414         (compute_points_to_sets): Updated for new functions.
 415         (ipa_pta_execute): Ditto.
 416
 417 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
 418             Richard Sandiford  <richard@codesourcery.com>
 419
 420         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
 421         parallels.
 422         * calls.c (expand_call): If the return value is a PARALLEL,
 423         extract its first member.
 424         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
 425         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
 426         use FUNCTION_EXTRA_EPILOGUE.
 427         (m68k_function_value): Return a PARALLEL if the return value
 428         is of a pointer type.
 429         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
 430         (FUNCTION_EXTRA_EPILOGUE): Remove.
 431         * config/m68k/m68k.md (D0_REG): New constant.
 432
 433 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
 434
 435         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
 436         output a NOP for empty epilogues.
 437
 438 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 439
 440         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
 441         before function.  Extend register save check to include all
 442         registers, not just integer ones.
 443
 444 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
 445
 446         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
 447         (m68k_use_return_insn): ...this.
 448         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
 449         * config/m68k/m68k.c (use_return_insn): Rename to...
 450         (m68k_use_return_insn): ...this.
 451         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
 452         of USE_RETURN_INSN.
 453
 454 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 455
 456         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
 457         nearest even, fix denormal rounding overflow.
 458
 459 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 460
 461         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
 462         f%$smove and f%$move.
 463         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
 464         (extendsfdf2_cf): Use fdmove instead of f%&move.
 465         (truncdfsf2_cf): Use fsmove instead of f%$smove.
 466         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
 467
 468 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 469
 470         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
 471         GPR<-GPR moves.
 472
 473 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 474
 475         * real.h (real_format): Add a canonical_nan_lsbs_set field.
 476         (coldfire_single_format): Declare.
 477         (coldfire_double_format): Likewise.
 478         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
 479         of qnan_msb_set to determine the lower bits of a canonical
 480         NaN significand.
 481         (encode_ieee_double): Likewise.
 482         (encode_ieee_quad): Likewise.
 483         (ieee_single_format): Initialize canonical_nan_lsbs_set.
 484         (mips_single_format): Likewise.
 485         (ieee_double_format): Likewise.
 486         (mips_double_format): Likewise.
 487         (ieee_extended_motorola_format): Likewise.
 488         (ieee_extended_intel_96_format): Likewise.
 489         (ieee_extended_intel_128_format): Likewise.
 490         (ieee_extended_intel_96_round_53_format): Likewise.
 491         (ibm_extended_format): Likewise.
 492         (mips_extended_format): Likewise.
 493         (ieee_quad_format): Likewise.
 494         (mips_quad_format): Likewise.
 495         (vax_f_format): Likewise.
 496         (vax_d_format): Likewise.
 497         (vax_g_format): Likewise.
 498         (i370_single_format): Likewise.
 499         (i370_double_format): Likewise.
 500         (decimal_single_format): Likewise.
 501         (decimal_double_format): Likewise.
 502         (decimal_quad_format): Likewise.
 503         (c4x_single_format): Likewise.
 504         (c4x_extended_format): Likewise.
 505         (real_internal_format): Likewise.
 506         (coldfire_single_format): New real_format.
 507         (coldfire_double_format): Likewise.
 508         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
 509         canonical_nan_lsbs_set.
 510         (pdp11_d_format): Likewise.
 511         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
 512         if TARGET_COLDFIRE_CPU.
 513
 514 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 515
 516         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
 517         (output_call, m68k_legitimize_call_address): Declare.
 518         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
 519         parenthesees.  Add support for a 'W' constraint.
 520         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
 521         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
 522         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
 523         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
 524         variables.
 525         (override_options): Initialize them.  Do not set flag_no_function_cse
 526         for TARGET_ID_SHARED_LIBRARY.
 527         (m68k_output_pic_call): Delete.
 528         (m68k_legitimize_call_address): New function.
 529         (print_operand): Remove the %o prefix.  Handle the %p prefix.
 530         (output_call): New function.
 531         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
 532         target address from the GOT if symbolic jumps are not allowed.
 533         * config/m68k/m68k.md (call, general_operand): Do not set
 534         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
 535         Merge separate flag_pic and !flag_pic define_insns into...
 536         (*call, *call_value): ...these new patterns.  Match the address
 537         rather than the containing MEM and require it to be a call_operand.
 538         Use output_call to generate the asm template.
 539         * config/m68k/predicates.md (const_call_operand): New predicate.
 540         (call_operand): Likewise.
 541
 542 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 543
 544         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
 545         (STACK_GROWS_DOWNWARD): Define to 1.
 546         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
 547         comments, emphasizing that these values are only defaults.
 548         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
 549         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
 550
 551 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 552
 553         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
 554
 555 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
 556             Richard Sandiford  <richard@codesourcery.com>
 557
 558         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
 559         (FP_REGNO_P): New macros.
 560         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
 561         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
 562         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
 563         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
 564
 565 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 566
 567         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 568         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
 569         to $tmake_file.
 570         * config/m68k/t-floatlib: New file, extracting common code from...
 571         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
 572         * config/m68k/t-uclinux: Here.
 573         * config/m68k/fpgnulib.c: Do not compile extendeed precision
 574         routines on ColdFire targets.
 575
 576 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 577
 578         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 579         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
 580         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
 581         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
 582         explicitly set MOTOROLA to 1.
 583         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
 584
 585 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 586             Nathan Sidwell  <nathan@codesourcery.com>
 587
 588         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
 589         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
 590         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
 591         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
 592         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
 593         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
 594         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
 595         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
 596         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
 597         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
 598         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
 599         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
 600         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
 601         (DBX_REGISTER_NUMBER): Delete.
 602         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
 603         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
 604         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
 605
 606 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 607
 608         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
 609         * config/flat.h: New file.
 610         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
 611         OBJECT_FORMAT_FLAT.
 612         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
 613         indirect references for -msep-data or -mid-shared-library.
 614         Do not use PC-relative code addresses either.
 615         * config/m68k/m68k.c (override_options): Restrict -fPIC error
 616         to -mpcrel.
 617         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
 618         for shared libraries and crt1.o for executables.  Use crti.o and
 619         crtbegin.o.
 620         (ENDFILE_SPEC): Use crtend.o and crtn.o.
 621         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
 622         Do not add -elf2flt or -shared-lib-id options here.
 623         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
 624         Pass -shared-lib-id if -mid-shared-library, taking the library
 625         identifier from -mshared-library-id if given, otherwise
 626         defaulting to 0.
 627         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
 628         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
 629         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
 630         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
 631         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
 632         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
 633         and crtend.o.
 634         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
 635         jump sequence for ISA A and ISA A+.
 636         (PICJUMP): Likewise.
 637
 638 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 639
 640         * config.gcc (m68k-*-uclinux*): Base the port on the common
 641         and m68k GNU/Linux files rather than on the generic ELF ones.
 642         * config/m68k/uclinux.h (TARGET_VERSION): Override.
 643         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
 644
 645 2007-01-18  Julian Brown  <julian@codesourcery.com>
 646             Richard Sandiford  <richard@codesourcery.com>
 647
 648         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
 649         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
 650         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
 651         before redefining.
 652         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
 653         80 unconditionally.
 654         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
 655
 656 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 657
 658         * doc/install.texi: Document m68k-uclinuxoldabi.
 659         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
 660         * config/m68k/uclinux-oldabi.h: New file, copied from
 661         config/m68k/uclinux.h.
 662
 663 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
 664
 665         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
 666         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
 667         (m32r_compute_frame_size): Use unsigned for regno.
 668         (m32r_reload_lr): Use gen_frame_mem.
 669         (pop): New.
 670         (m32r_output_function_epilogue): Don't output the function epilogue
 671         textually here.
 672         (m32r_expand_epilogue): New.
 673         (direct_return): Return false if the function has the interrupt
 674         attribute.
 675         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
 676         * config/m32r/m32r.md (epilogue): New expander.
 677         (return_lr, return_rte): New insns.
 678         (return): Make it expander.
 679         (return_normal): New expander.
 680
 681 2007-01-18  Josh Conner  <jconner@apple.com>
 682
 683         PR target/30485
 684         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
 685         support for UNLE, UNLT, UNGE, and UNGT.
 686
 687 2007-01-18  Jan Hubicka  <jh@suse.cz>
 688
 689         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
 690         * tree-tailcall (add_virtual_phis): Likewise.
 691         (optimize_tail_call): Return TODOs.
 692         (execute_tail_calls): Return TODOs.
 693         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
 694         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
 695         changed.
 696         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
 697         Cleanup cfg using TODO.
 698         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
 699         * passes.c (execute_function_todo): When cleanup did something, remove
 700         unused locals.
 701         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
 702         (make_edges): Don't cleanup_cfg.
 703
 704 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
 705
 706         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
 707         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
 708         operate on the top of stack.
 709         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
 710         register handling of instructions that output to the second
 711         stack slot.
 712         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
 713         (move_for_stack_reg): Special-case check for dead destination
 714         stack slot for constant load of 1.0 inside UNSPEC_TAN.
 715
 716         * config/i386/i386.md (UNSPEC_TAN): New constant.
 717         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
 718         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
 719         to correctly model move of constant 1.0 to top stack slot.
 720         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
 721         (unnamed peephole2 pattern): Remove corresponding peephole2
 722         pattern that optimizes tan insn and loading of constant 1.0.
 723         (tanxf2): Use fptanxf4_i387.
 724         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
 725         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
 726         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
 727         disable patterns for SSE math.
 728         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
 729         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
 730
 731 2007-01-18  Dirk Mueller  <dmueller@suse.de>
 732             Richard Guenther <rguenther@suse.de>
 733
 734         PR diagnostic/8268
 735         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
 736         * common.opt (Warray-bounds): Add new warning option.
 737         * c-opts.c (c_common_handle_option): Define -Warray-bounds
 738         if -Wall is given.
 739         * Makefile.in: make tree-vrp.o depend on toplev.h
 740         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
 741         is enabled.
 742         (check_array_refs, check_array_bounds, check_array_ref): New.
 743
 744 2007-01-18  Jan Hubicka  <jh@suse.cz>
 745
 746         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
 747         (execute_ssa_ccp): Return flags conditionally.
 748         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
 749         changed.
 750         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
 751
 752 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
 753
 754         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
 755         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
 756
 757         * Makefile.c (GTFILES): Add cfglayout.h.
 758         * gengtype.c (open_base_files): Likewise.
 759         * cfglayout.c (cfg_layout_function_footer,
 760         cfg_layout_function_header) Reindent to make gengtype happy.
 761         * cfglayout.h (cfg_layout_function_footer,
 762         cfg_layout_function_header): Add GTY(()) marker.
 763
 764         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
 765
 766 2007-01-18  Ben Elliston  <bje@au.ibm.com>
 767
 768         * genautomata.c (write_automata): Include xstrerror output in the
 769         error message if writing the DFA description file fails.
 770
 771 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
 772
 773         * config/mips/mips-protos.h (mips_output_external): Make it
 774         return void.
 775         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
 776         * config/mips/mips.c (irix_output_external_libcall): Likewise.
 777         (extern_list): Likewise.
 778         (extern_head): Likewise.
 779         (TARGET_ASM_FILE_END): Likewise.
 780         (mips_file_end): Likewise.
 781         (mips_output_external): Rewritten.
 782
 783 2007-01-18  Ben Elliston  <bje@au.ibm.com>
 784
 785         * genpreds.c (write_insn_preds_c): Only write out the function
 786         body for regclass_for_constraint if we have register constraints.
 787
 788 2007-01-17  Tom Tromey  <tromey@redhat.com>
 789
 790         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
 791         * doc/install.texi (Testing): Use sourceware.org.
 792         (Binaries): Likewise.
 793         (Specific): Likewise.
 794         * doc/contrib.texi (Contributors): Use sourceware.org.
 795
 796 2007-01-17  Anatoly Sokolov <aesok@post.ru>
 797
 798         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
 799         (AVR_ENHANCED): Rename to ...
 800         (AVR_HAVE_MUL): ... new.
 801         (avr_enhanced_p): Rename to ...
 802         (avr_have_mul_p): ... new.
 803         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
 804         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
 805         * config/avr/avr.c (avr_enhanced_p): Rename to ...
 806         (avr_have_mul_p): ... new.
 807         (base_arch_s): Rename 'enhanced' to 'have_mul'.
 808         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
 809         'avr_enhanced_p' and 'enhanced'.
 810         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
 811         AVR_HAVE_MUL instead of AVR_ENHANCED.
 812         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
 813         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
 814         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
 815         instead of AVR_ENHANCED.
 816         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
 817         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
 818         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
 819
 820 2007-01-17  Ian Lance Taylor  <iant@google.com>
 821
 822         * vec.h (VEC_reserve_exact): Define.
 823         (vec_gc_p_reserve_exact): Declare.
 824         (vec_gc_o_reserve_exact): Declare.
 825         (vec_heap_p_reserve_exact): Declare.
 826         (vec_heap_o_reserve_exact): Declare.
 827         (VEC_OP (T,A,reserve_exact)): New static inline function, three
 828         versions.
 829         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
 830         negative parameter.
 831         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
 832         (VEC_OP (T,A,copy)) [all versions]: Likewise.
 833         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
 834         * vec.c (calculate_allocation): Add exact parameter.  Change all
 835         callers.
 836         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
 837         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
 838         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
 839         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
 840         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
 841         (vec_heap_p_reserve_exact): New function.
 842         (vec_heap_o_reserve_exact): New function.
 843
 844 2007-01-17  Jan Hubicka  <jh@suse.cz>
 845
 846         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
 847
 848 2007-01-17  Eric Christopher  <echristo@apple.com>
 849
 850         * config.gcc: Support core2 processor.
 851
 852 2007-01-16  Jan Hubicka  <jh@suse.cz>
 853
 854         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
 855         the names, just unlink the chain so we don't crash on dangling pointers
 856         to dead SSA names.
 857
 858 2007-01-16  Jan Hubicka  <jh@suse.cz>
 859
 860         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
 861         * tree-pass.h: Reorder to make IPA passes appear toegher.
 862         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
 863         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
 864         parameters, do not call early inliner.
 865         * ipa-inline.c: Update comments.  Include tree-flow.h
 866         (cgraph_decide_inlining): Do not compute inlining parameters.
 867         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
 868         be called with function context set up.
 869         (pass_ipa_inline): Remove unreachable functions before pass.
 870         (cgraph_early_inlining): Simplify assuming to be called from the
 871         PM as local pass.
 872         (pass_early_inline): New pass.
 873         (cgraph_gate_ipa_early_inlining): New gate.
 874         (pass_ipa_early_inline): Turn into simple wrapper.
 875         (compute_inline_parameters): New function.
 876         (gate_inline_passes): New gate.
 877         (pass_inline_parameters): New pass.
 878         (apply_inline): Move here from tree-optimize.c
 879         (pass_apply_inline): New pass.
 880         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
 881         transforming.
 882         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
 883         doing them by hand.
 884         (tree_function_versioning): Do not allocate dummy struct function.
 885         * tree-inline.h (optimize_inline_calls): Update prototype.
 886         * tree-optimize.c (execute_fixup_cfg): Export.
 887         (pass_fixup_cfg): Remove
 888         (tree_rest_of_compilation): Do not apply inlines.
 889         * tree-flow.h (execute_fixup_cfg): Declare.
 890         * Makefile.in (gt-passes.c): New.
 891         * passes.c: Include gt-passes.h
 892         (init_optimization_passes): New passes.
 893         (nnodes, order): New static vars.
 894         (do_per_function_toporder): New function.
 895         (execute_one_pass): Dump current pass here.
 896         (execute_ipa_pass_list): Don't dump current pass here.
 897
 898 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 899
 900         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
 901         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
 902
 903 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
 904
 905         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
 906         (strong_alias): Define.
 907         (__gcc_qmul): Provide non-FMA for soft-float.
 908         (__gcc_qdiv): Same.
 909         (__gcc_qneg): New.
 910         (__gcc_qeq): New.
 911         (__gcc_qle): New.
 912         (__gcc_qge): New.
 913         (__gcc_qunord): New.
 914         (__gcc_stoq): New.
 915         (__gcc_dtoq): New.
 916         (__gcc_qtos): New.
 917         (__gcc_qtod): New.
 918         (__gcc_qtoi): New.
 919         (__gcc_qtou): New.
 920         (__gcc_itoq): New.
 921         (__gcc_utoq): New.
 922         (fmsub): New.
 923         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
 924         soft-float functions.
 925         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
 926         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
 927         about long double soft float.
 928
 929 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
 930             Tehila Meyzels  <tehila@il.ibm.com>
 931
 932         * tree-vectorizer.h (is_pattern_stmt_p): New.
 933         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
 934         formatting (tabs instead of spaces). Cleanup and clarify setting
 935         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
 936         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
 937         (vectorizable_type_demotion): Check that types are integral.
 938         (vectorizable_type_promotion): Likewise.
 939         (vectorizable_store): Fix typo.  Eliminate new-line at end of
 940         comments.
 941
 942 2007-01-16  Jan Hubicka  <jh@suse.cz>
 943
 944         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
 945         cgraph edges too.
 946
 947 2007-01-15  Eric Christopher  <echristo@apple.com>
 948
 949         * ifcvt.c: Include vec.h, vecprim.h.
 950         (check_cond_move_block): New argument regs.
 951         Reorganize. Add registers used to regs.
 952         (cond_move_process_if_block): Use regs set above as
 953         loop bounds.
 954
 955 2007-01-15  Eric Christopher  <echristo@apple.com>
 956
 957         * config/darwin.h: Update copyright.
 958         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
 959         (LINK_COMMAND_SPEC): Add -u.
 960         (LINK_SPEC): Fix umbrella for above.
 961
 962 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
 963
 964         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
 965         glibc CVS.
 966
 967 2007-01-15  Tom Tromey  <tromey@redhat.com>
 968
 969         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
 970         * doc/install.texi (Testing): Don't mention jacks.
 971         (Configuration): Document --enable-java-maintainer-mode.  Move
 972         --with-java-home to libgcj-specific section.  Document
 973         --with-ecj-jar.
 974         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
 975
 976 2007-01-15  Jan Hubicka  <jh@suse.cz>
 977
 978         * tree-ssa-dce.c (DCE_TODOs): New.
 979         (propagate_necessity): Return if something changed.
 980         (eliminate_unnecessary_stmts): Likewise.
 981         (perform_tree_ssa_dce): Return TODO flags when needed.
 982         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
 983
 984 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
 985
 986         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
 987         (fyl2x_extend<mode>xf3_i387): New insn pattern.
 988         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
 989         patterns using X87MODEF12 mode macro.  Extend operand 1
 990         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
 991         (log10<mode>2): Ditto.
 992         (log2<mode>2): Ditto.
 993         (log1p<mode>2): Ditto.
 994         (logb<mode>2): Ditto.
 995         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
 996         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
 997         (*fxtractxf3_i387): Rename from *fxtractxf3.
 998         (fxtract_extend<mode>xf3_i387): New insn pattern.
 999         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1000         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1001         and gen_fyl2xxf3_i387().
1002
1003 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1004
1005         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1006         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1007         get_loop_exit_edges.  Changed return type to bool.
1008         * cfgloop.h (fix_loop_placement): Declaration removed.
1009
1010 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1011
1012         * param.h (MIN_VECT_LOOP_BOUND): New.
1013         * params.def (MIN_VECT_LOOP_BOUND): New.
1014         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1015         argument - minimum threshold for number of iterations.
1016         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1017         argument to declaration.
1018         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1019         MIN_VECT_LOOP_BOUND.
1020         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1021         slpeel_tree_peel_loop_to_edge with additional argument.
1022         (vect_do_peeling_for_alignment): Likewise.
1023         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1024
1025 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1026
1027         PR target/30413
1028         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1029         operands of size 1.
1030
1031 2007-01-14  Jan Hubicka  <jh@suse.cz>
1032
1033         * tree-dfa.c (remove_referenced_var): New function.
1034         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1035         prune referenced vars list too.
1036         * tree-flow.h (remove_referenced_var): Declare.
1037
1038 2007-01-14  Jan Hubicka  <jh@suse.cz>
1039
1040         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1041         separately.
1042         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1043         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1044         * except.h (verify_eh_throw_table_statements): Kill prototype.
1045         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1046         into call exrepssions.
1047         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1048         eh trhow verifier.
1049         * tree-cfg.c: Include pointer-set.h.
1050         (verify_node_sharing): Work on pointer set.
1051         (verify_eh_throw_stmt_node): New.
1052         (verify_stmts): Use pointers sets, verify throw_stmt.
1053
1054 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1055
1056         * ipa-reference.c (analyze_function): Consider also addresses taken
1057         in phi nodes.
1058
1059 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1060
1061         * c-typeck.c (null_pointer_constant_p): Replace use of
1062         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1063         (build_c_cast): Likewise.
1064
1065 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1066
1067         * tree.h (force_fit_type_double): Remove unused final argument.
1068         * c-common.c (constant_expression_warning): Replace use of
1069         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1070         (convert_and_check): Likewise.
1071         (shorten_compare): Update call to force_fit_type_double.
1072         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1073         * convert.c (convert_to_pointer): Update call to
1074         force_fit_type_double.
1075         * fold-const.c (force_fit_type_double): Remove overflowed_const
1076         argument.
1077         (int_const_binop, fold_convert_const_int_from_int,
1078         fold_convert_const_int_from_real, fold_div_compare,
1079         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1080         fold_abs_const, fold_not_const): Remove the final argument from
1081         calls to force_fit_type_double.
1082
1083 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1084
1085         * configure.ac: Set insn to "nop" for spu-*-* also.
1086         * configure: Regenerate.
1087
1088 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1089
1090         * builtins.def : Add BUILT_IN_FREE.
1091
1092 2007-01-12  Jan Hubicka  <jh@suse.cz>
1093
1094         PR tree-optimization/30443
1095         * tree-inline.c (tree_function_versioning): Do not optimize when
1096         cloning for inlining.
1097
1098 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1099
1100         * doc/loop.texi: Document recording of loop exits.
1101         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1102         (update_single_exits_after_duplication,
1103         update_single_exit_for_duplicated_loop,
1104         update_single_exit_for_duplicated_loops): Removed.
1105         (duplicate_loop_to_header_edge): Do not call
1106         update_single_exits_after_duplication and
1107         update_single_exit_for_duplicated_loops.
1108         (loop_version): Do not update single_exit information.
1109         (fix_loop_structure): Use record_loop_exits instead of
1110         mark_single_exit_loops.
1111         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1112         the lists of loop exits.
1113         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1114         split_edge, merge_blocks): Update the lists of loop exits.
1115         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1116         loop_optimizer_init.
1117         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1118         of mark_single_exit_loops.
1119         (loop_optimizer_finalize): Call release_recorded_exits.
1120         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1121         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1122         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1123         update single exit information.
1124         * lambda-code.c (perfect_nestify): Ditto.
1125         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1126         (mark_single_exit_loops): Removed.
1127         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1128         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1129         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1130         functions.
1131         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1132         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1133         (verify_loop_structure): Verify consistency of the exit lists.
1134         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1135         (set_single_exit): Removed.
1136         * cfgloop.h (struct loop_exit): New function.
1137         (struct loop): single_exit_ field replaced by exits field.
1138         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1139         (struct loops): Added exits hash.
1140         (mark_single_exit_loops, set_single_exit): Declaration removed.
1141         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1142
1143 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1144
1145         * doc/invoke.texi: Avoid use of @headitem.
1146
1147 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1148
1149         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1150
1151 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1152
1153         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1154         list of targets.
1155
1156 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1157             Richard Sandiford  <richard@codesourcery.com>
1158
1159         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1160         * config/m68k/m68k.opt: Resort options.
1161         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1162
1163 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1164             Richard Sandiford  <richard@codesourcery.com>
1165
1166         * doc/invoke.texi: Document the macros that are defined by
1167         m68k's -mtune and -mhard-float options.
1168         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1169         (m68k_cpp_cpu_family): Likewise.
1170         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1171         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1172         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1173         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1174         (m68k_cpp_cpu_family): Likewise.
1175
1176 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1177
1178         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1179         macros besides mc68000 as tuning macros.  Use a switch statement
1180         to set them and mcpu32.
1181
1182 2007-01-12  Julian Brown  <julian@codesourcery.com>
1183
1184         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1185         (TARGET_68040_ONLY): Rename to...
1186         (TARGET_68040): ...this.
1187         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1188         * config/m68k/m68k.md: Likewise.
1189
1190 2007-01-12  Julian Brown  <julian@codesourcery.com>
1191             Nathan Sidwell  <nathan@codesourcery.com>
1192             Richard Sandiford  <richard@codesourcery.com>
1193
1194         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1195         the -mcpu= argument associated with the --with-cpu setting.
1196         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1197         if different from the one implied by the -mcpu setting.
1198         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1199         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1200         * doc/invoke.texi: Mention ColdFire in the introduction to the
1201         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1202         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1203         -mhard-float.  Document the previously-undocumented -m5206e,
1204         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1205         documentation for consistency.
1206         * doc/install.texi: Mention new --with-cpu arguments.
1207         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1208         default CPU if neither -mcpu nor -march are specified.
1209         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1210         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1211         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1212         using m68k_tune to decide between families that implement the
1213         same ISA.  Use m68k_tune to set __mcfv4e__.
1214         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1215         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1216         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1217         (FL_ISA_C, FL_ISA_MMU): New macros.
1218         (MASK_COLDFIRE): Delete.
1219         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1220         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1221         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1222         (TARGET_HARD_FLOAT): Do not define here.
1223         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1224         (TUNE_68000): New macro.
1225         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1226         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1227         (TUNE_CFV2): Redefine in terms of m68k_tune.
1228         (uarch_type, target_device, fpu_type): New enums.
1229         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1230         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1231         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1232         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1233         (FL_FOR_isa_c): New macros.
1234         (m68k_isa): New enum.
1235         (m68k_target_selection): New structure.
1236         (all_devices, all_isas, all_microarchs): New tables.
1237         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1238         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1239         (MASK_ALL_CPU_BITS): Delete.
1240         (m68k_find_selection): New function.
1241         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1242         Map the legacy target options to a combination of the new ones.
1243         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1244         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1245         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1246         settings.
1247         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1248         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1249         properties.
1250         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1251         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1252         * config/m68k/m68k-devices.def: New file.
1253
1254 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1255             Nathan Sidwell  <nathan@codesourcery.com>
1256
1257         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1258         (SUBTARGET_EXTRA_SPECS): New macros.
1259         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1260         use %(asm_cpu_spec) instead.
1261         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1262         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1263         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1264         (EXTRA_SPECS): Rename to...
1265         (SUBTARGET_EXTRA_SPECS): ...this.
1266
1267 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1268             Richard Sandiford  <richard@codesourcery.com>
1269             Julian Brown  <julian@codesourcery.com>
1270
1271         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1272         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1273         to the configuration's default CPU.
1274         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1275         Remove default masks.
1276         (m680[012]0-*-*): Set the default with_cpu to the first part of
1277         the target name.
1278         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1279         (m68k*-*-linux): Extend the --with-cpu handling to...
1280         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1281         and m68010.  Don't set target_cpu_default2.
1282         * doc/install.texi: Document --with-cpu for m68k.
1283         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1284         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1285         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1286         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1287         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1288         (ASM_SPEC): Remove use of %(asm_cpu_default).
1289         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1290         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1291         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1292         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1293         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1294         (TARGET_DEFAULT): Delete.
1295         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1296         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1297         (CPP_CPU_SPEC): Delete.
1298         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1299         the appropriate string.
1300         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1301         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1302         (ASM_SPEC): Don't use %(asm_default_spec).
1303         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1304         TARGET_DEFAULT and add MASK_68881.
1305         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1306
1307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1308
1309         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1310         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1311         MASK_68010 alongside MASK_68020.
1312         * doc/invoke.texi: Document -m68010.
1313         * config/m68k/m68k.opt (m68010): New.
1314         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1315         if TUNE_68010.
1316         (TUNE_68010): New macro.
1317         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1318         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1319         (M68K_CPU_m68332): Add MASK_68010.
1320         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1321         fallback definition.
1322         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1323         defines.
1324         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1325         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1326         to all entries that use MASK_68020.
1327         (output_move_simode_const, output_move_himode, output_move_qimode)
1328         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1329         instead of TARGET_68020 to select clr behavior.  Remove comment
1330         about there being no TARGET_68010.
1331         * config/m68k/m68k.md: Likewise throughout.
1332
1333 2007-01-12  Julian Brown  <julian@codesourcery.com>
1334
1335         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1336         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1337         * config/m68k/m68k.md: Likewise.
1338
1339 2007-01-12  Julian Brown  <julian@codesourcery.com>
1340
1341         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1342         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1343
1344 2007-01-12  Julian Brown  <julian@codesourcery.com>
1345
1346         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1347         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1348         * config/m68k/m68k.md: Likewise.
1349
1350 2007-01-12  Julian Brown  <julian@codesourcery.com>
1351             Richard Sandiford  <richard@codesourcery.com>
1352
1353         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1354         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1355         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1356         TARGET_CPU32.
1357         (TARGET_CPU32): Rename to...
1358         (TUNE_CPU32): ...this.
1359         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1360         (TUNE_CFV2): New macros.
1361         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1362         remove conditions that are implied by TARGET_68020.
1363         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1364         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1365         (m68k_output_function_epilogue): Likewise.
1366         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1367         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1368         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1369         non-68000 timings.  Refactor multiplication and division costs.
1370         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1371         TUNE_CPU32 instead of TARGET_CPU32.
1372         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1373         and TUNE_68060 instead of TARGET_68060.
1374         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1375         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1376         TARGET_CPU32.
1377         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1378         && !TARGET_COLDFIRE" to choose between moveq and clr.
1379         Likewise in the unnamed movsf pattern.
1380         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1381         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1382         ashiftrt pattern.
1383
1384 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1385
1386         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1387         of tabbing before backslashes.
1388
1389 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1390
1391         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1392         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1393         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1394
1395 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1396
1397         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1398         find_interesting_uses_cond.
1399         (find_interesting_uses_cond): Use extract_cond_operands.
1400         (rewrite_use_compare): Use extract_cond_operands and
1401         force_gimple_operand_bsi.  Do not call update_stmt.
1402         (determine_use_iv_cost_condition): Use extract_cond_operands.
1403         Return cheaper of using original bound and changing the exit bound.
1404
1405 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1406
1407         PR tree-optimization/29516
1408         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1409         most_expensive_mult_to_index, addr_to_parts,
1410         create_mem_ref, maybe_fold_tmr): Make the type of
1411         fields of TARGET_MEM_REF sizetype.
1412         (move_fixed_address_to_symbol, move_pointer_to_base):
1413         New functions.
1414         * tree.def (TARGET_MEM_REF): Add comment on types of
1415         the operands.
1416
1417 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1418
1419         * c-common.c (vector_types_convertible_p): Treat opaque types as
1420         always convertible if they have the same size, but not otherwise.
1421
1422 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1423
1424         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1425         Remove the b_unconditional field.
1426         (noce_try_sign_mask): Do not look at b_unconditional.
1427         (noce_process_if_block): Do not use merge_if_blocks.  Update
1428         the CFG here.  Do not set b_unconditional.
1429         (cond_move_process_if_block): Likewise.
1430         (find_cond_trap): Likewise.
1431         (check_cond_move_block): Require simple jump insns at the end
1432         of the basic block.
1433
1434 2007-01-11  Jan Hubicka  <jh@suse.cz>
1435
1436         PR tree-optimization/1046
1437         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1438         when alias info is not ready.
1439         (pass_tail_recursion): Do not require aliasing.
1440         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1441         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1442         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1443         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1444         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1445         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1446         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1447         before inlining.
1448         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1449         When aliasing is not build, mark statement as volatile.
1450
1451 2007-01-11  Tom Tromey  <tromey@redhat.com>
1452
1453         PR preprocessor/15185, PR preprocessor/20989:
1454         * doc/cppopts.texi <-MT>: Update description of algorithm for
1455         computing default target.
1456         <-M, -MD>: Reword "basename" text.
1457
1458 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1459
1460         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1461         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1462         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1463         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1464         fold_builtin_bswap, real_constp, fold_builtin_pow,
1465         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1466         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1467         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1468         * convert.c (convert_to_pointer): Likewise.
1469         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1470         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1471         const_binop, fold_convert_const_int_from_int,
1472         fold_convert_const_int_from_real,
1473         fold_convert_const_real_from_real, sign_bit_p,
1474         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1475         fold_sign_changed_comparison, fold_unary, fold_comparison,
1476         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1477         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1478         * print-tree.c (print_node_brief, print_node): Likewise.
1479         * stor-layout.c (place_field, layout_type): Likewise.
1480         * tree-chrec.c (keep_cast): Likewise.
1481         * tree.c (build_vector, build_real, build_real_from_int_cst,
1482         build_complex): Likewise.
1483
1484 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1485
1486         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1487         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1488
1489 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1490
1491         * configure.ac (strict1_warn): Rename to strict_warn.
1492         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1493         cc_set_by_configure, quoted_cc_set_by_configure,
1494         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1495         all_boot_languages, all_stagestuff): Remove.
1496         (target_list): Remove bootstrap targets.
1497         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1498         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1499         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1500         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1501         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1502         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1503         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1504         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1505         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1506         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1507         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1508         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1509         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1510         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1511         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1512         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1513         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1514         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1515         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1516         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1517         (mostlyclean): Adjust.
1518         (clean, distclean): Don't mention bootstrap stuff.
1519         * configure: Regenerate.
1520         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1521         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1522         treelang/config-lang.in (stagestuff): Remove.
1523         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1524         stageprofile, stagefeedback, stagestuff): Remove mention.
1525
1526 2007-01-11  Nick Clifton  <nickc@redhat.com>
1527
1528         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1529         Accept CONSTs.
1530         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1531         (mcore_arith_K_S_operand): Run the test for the S constraint not
1532         the test for the M constraint.
1533         (mcore_addsub_operand): Do not accept integer values that are
1534         larger than 32 bits.
1535         * config/mcore/mcore.md: Remove unused constraints from split.
1536         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1537         (addsi3): Likewise.
1538         (allocate_stack): Likewise.
1539         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1540         operands to 32 bits.
1541         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1542         INTVAL.
1543         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1544         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1545         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1546         mcore_output_bclri, mcore_output_andn, output_inline_const,
1547         mcore_output_move, mcore_output_movedouble): Likewise.
1548         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1549         (output_inline_const): Likewise.
1550         (output_inline_const): Fix format strings used in sprintf
1551         statements.
1552         * config/mcore/mcore-protos.h: Update prototypes for changed
1553         functions in mcore.c.
1554         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1555         HOST_WIDE_INT and not int.
1556         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1557         CONST_OK_FOR_N): Likewise.
1558         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1559         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1560         an INTVAL.
1561
1562 2007-01-10  Jan Hubicka  <jh@suse.cz>
1563
1564         * tree-vrp.c (remove_range_assertions): Release defs.
1565         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1566         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1567
1568 2007-01-10  Paul Brook  <paul@codesourcery.com>
1569
1570         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1571         * config/arm/arm.md (mulsi3subsi): New insn.
1572
1573 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1574
1575         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1576         (tree_transform_and_unroll_loop): New.
1577         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1578         Declare.
1579
1580 2007-01-10  Robert Kennedy <jimbob@google.com>
1581
1582         * fold-const.c (fold_comparison): Fold comparisons like (x *
1583         1000 < 0) to (x < 0).
1584
1585 2007-01-10  Ian Lance Taylor  <iant@google.com>
1586
1587         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1588         operands have the same priority.
1589
1590 2007-01-10  Tom Tromey  <tromey@redhat.com>
1591
1592         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1593         (fold_binary): Likewise.
1594         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1595         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1596         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1597         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1598         * langhooks.h (struct lang_hooks): Removed field
1599         'can_use_bit_fields_p'.
1600
1601 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
1602
1603         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1604
1605 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1606
1607         * function.c (get_last_funcdef_no): New function.
1608         * function.h (get_last_funcdef_no): Declare.
1609         * tree-inline.c (initialize_cfun): Add initialization.
1610         (tree_function_versioning): Cleanup.
1611
1612 2007-01-10  Jan Hubicka  <jh@suse.cz>
1613
1614         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1615         PHIs.
1616
1617 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1618             Ben Elliston  <bje@au.ibm.com>
1619
1620         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1621         for SAVE_NONLOCAL and Pmode for any other save level.
1622         * spu-protos.h (spu_restore_stack_block): Declare.
1623         * spu.md (save_stack_block): Remove.
1624         (restore_stack_block): Call spu_restore_stack_block.
1625         * spu.c (spu_restore_stack_block): New function.
1626         (spu_expand_epilogue): Remove old comment.
1627
1628 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1629
1630         PR tree-optimization/30322
1631         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1632         (cand_value_at): Return the value as aff_tree.
1633         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1634         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1635         aff_combination_mult): New functions.
1636         (aff_combination_add): Use aff_combination_add_cst.
1637         (aff_combination_convert): Allow conversions to a wider type.
1638         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1639         * tree-affine.h (aff_combination_mult): Declare.
1640
1641 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1642
1643         * doc/tm.texi: Update documentation to reflect reality of exec
1644         and start file search behaviours. Update copyright year.
1645         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1646         header file directories.
1647
1648 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1649
1650         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1651         (*cosxf2): Rename to cosxf2_i387.
1652         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1653         using X87MODEF12 mode macro. Rename patterns to
1654         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1655         for SSE math.
1656         (*cosdf2, *cossf2): Ditto.
1657         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1658         to match extended input operands.
1659         (sincos<mode>3): New expander.
1660         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1661         insn patterns and corresponding splitters.
1662
1663 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1664
1665         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1666         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1667
1668 2007-01-09  Nicolas Pitre  <nico@cam.org>
1669
1670         PR target/30173
1671         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1672
1673 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1674
1675         * target.h (struct gcc_target): New field library_rtti_comdat.
1676         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1677         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1678         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1679         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1680
1681 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1682
1683         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1684
1685 2007-01-08  Richard Guenther  <rguenther@suse.de>
1686
1687         * tree.h (force_fit_type_double): Export.
1688         (force_fit_type): Remove.
1689         * fold-const.c (force_fit_type_double): New function.
1690         (force_fit_type): Remove.
1691         (int_const_binop): Use it.
1692         (fold_convert_const_int_from_int): Likewise.
1693         (fold_convert_const_int_from_real): Likewise.
1694         (fold_div_compare): Likewise.
1695         (fold_sign_changed_comparison): Likewise.
1696         (fold_unary): Likewise.
1697         (fold_negate_const): Likewise.
1698         (fold_abs_const): Likewise.
1699         (fold_not_const): Likewise.
1700         * c-common.c (shorten_compare): Use force_fit_type_double.
1701         * convert.c (convert_to_pointer): Likewise.
1702
1703 2007-01-08  Richard Guenther  <rguenther@suse.de>
1704
1705         * tree.h (build_int_cst_wide_type): Export.
1706         * tree.c (build_int_cst_wide_type): New function.
1707         (build_int_cst_wide): Fix comment.
1708         * builtins.c (fold_builtin_object_size): Use build_int_cst
1709         to build -1 or 0 of the correct type.  Use fit_double_type
1710         to check for overflow.
1711         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1712         to build the mask.
1713         (decode_field_reference): Likewise.
1714         (all_ones_mask_p): Likewise.
1715         (native_interpret_int): Use build_int_cst_wide_type.
1716         (fold_binary): Use build_int_cst_type to build an all-ones
1717         value.
1718         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1719
1720 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1721
1722         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1723
1724 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1725
1726         * genautomata.c (STATS_OPTION): New option.
1727         (stats_flag): New flag.
1728         (gen_automata_option): Handle it.
1729         (initiate_automaton_gen): Ditto.
1730         (write_automata): Output statistics only if stats_flag is
1731         set. Likewise, output time statistics only if time_flag is set.
1732         * doc/md.texi (Processor pipeline description): Document new flag.
1733
1734 2007-01-08  Richard Guenther  <rguenther@suse.de>
1735
1736         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1737         * tree.c (build_int_cst_type): Likewise.
1738         (size_in_bytes): Don't call force_fit_type on the result.
1739         (int_fits_type_p): Use fit_double_type.
1740         * fold-const.c (fit_double_type): New function.
1741         (force_fit_type): Use it.
1742         * tree.h (fit_double_type): Export.
1743
1744 2007-01-08  Jan Hubicka  <jh@suse.cz>
1745
1746         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1747         * ipa.c (function_and_variable_visibility): Fix return type.
1748
1749 2007-01-08  Richard Guenther  <rguenther@suse.de>
1750
1751         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1752         of offset to build the index.
1753         * tree-pretty-print.c (dump_generic_node): Don't build negated
1754         const just for printing.
1755         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1756         * builtins.c (fold_builtin_int_roundingfn): Check if result
1757         fits the type by using force_fit_type and comparing the result.
1758         * predict.c (predict_loops): Use compare_tree_int for comparison.
1759         * tree.c (build_int_cst): Fall back to integer_type_node for
1760         NULL_TREE type.
1761         (build_int_cst_wide): Assert type is non-null.
1762
1763 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1764
1765         * tree-vrp.c (extract_range_from_cond_expr): New.
1766         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1767         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1768         as expressions.
1769         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1770         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1771         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1772         used as expressions.
1773         * tree-object-size.c (cond_expr_object_size): New.
1774         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1775
1776 2007-01-08  Jan Hubicka  <jh@suse.cz>
1777
1778         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1779         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1780         statement.
1781
1782 2007-01-08  Richard Guenther  <rguenther@suse.de>
1783
1784         PR tree-optimization/23603
1785         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1786         (extract_range_from_binary): Fall back to truthvalue instead of
1787         varying for TRUTH_*_EXPR.
1788         (extract_range_from_comparison): Fall back to truthvalue instead of
1789         varying.
1790         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1791         if all visited PHI values were constant.
1792
1793 2007-01-08  Jan Hubicka  <jh@suse.cz>
1794
1795         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1796         (cgraph_analyze_function): break out from ...
1797         (cgraph_finalize_compilation_unit): ... here.
1798         (cgraph_expand_function): Remove forgoten commented out line.
1799         (cgraph_optimize): Analyze functions.
1800
1801 2007-01-08  Jan Hubicka  <jh@suse.cz>
1802
1803         * tree-pas.h (TODO_remove_function): New flag.
1804         (TODO_update*): Renumber.
1805         (pass_ipa_increase_alignment,
1806         pass_ipa_function_and_variable_visibility): New passes.
1807         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1808         (cgraph_function_and_variable_visibility): Move to ipa.c
1809         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1810         cgraph_increase_alignment.
1811         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1812         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1813         calling tree-inline.
1814         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1815         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1816         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1817         (gate_increase_alignment): New function.
1818         (pass_ipa_increase_alignment): New pass.
1819         * ipa.c: Inline tree-pass.h and timevar.h
1820         (function_and_variable_visibility): Move here from cgraphunit.c
1821         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1822         * passes.c (init_optimization_passes): Add the two new passes.
1823         (execute_todo): Handle cgraph_remove_functions.
1824
1825 2007-01-08  Nick Clifton  <nickc@redhat.com>
1826
1827         * config/frv/predicates.md (reg_or_0_operand): Accept
1828         CONST_DOUBLEs.
1829
1830 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1831
1832         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1833         * config.gcc: Add bfin*-rtems*.
1834
1835 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1836
1837         * c.opt: Add -flax-vector-conversions.
1838         * c-typeck.c (convert_for_assignment): Pass flag to
1839         vector_types_convertible_p to allow emission of note.
1840         (digest_init): Likewise.
1841         * c-opts.c: Handle -flax-vector-conversions.
1842         * c-common.c (flag_lax_vector_conversions): New.
1843         (vector_types_convertible_p): Unless -flax-vector conversions
1844         has been passed, disallow conversions between vectors with
1845         differing numbers of subparts and/or element types.  If such
1846         a conversion is disallowed, possibly emit a note on the first
1847         occasion only to inform the user of -flax-vector-conversions.
1848         The new last argument specifies this.
1849         * c-common.h (flag_lax_vector_conversions): New.
1850         (vector_types_convertible_p): Add extra argument.
1851         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1852         char_type_node for V*QI type vectors.
1853         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1854         Update to satisfy new typechecking rules.
1855         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1856         C and C++ variants.
1857         * doc/invoke.texi (C Dialect Options): Document
1858         -flax-vector-conversions.
1859
1860 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1861
1862         PR tree-optimization/29877
1863         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1864         a register variable on the RHS to not be replaceable.
1865
1866 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1867         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1868         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1869         const_simm15, const_pow2, const_npow2): Added.
1870         * config/score/misc.md (insv, extv, extzv, movmemsi,
1871         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1872         * config/score/score.c (score_address_cost, score_select_cc_mode):
1873         Added.
1874         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1875         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1876         Update score_print_operand.
1877         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1878         Adjust register allocate order and update some macro define.
1879         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1880         mdx_block_move_straight, mdx_block_move_loop_head,
1881         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1882         mdx_block_move): Added.
1883         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1884         mdp_limm): Updated and fix some bug and typo.
1885         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1886         (movsf, movdf, doloop_end): Added.
1887
1888 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1889
1890         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1891         config/arm/thumb2.md: Fix comment typos.
1892         * doc/extend.texi: Fix a typo.
1893
1894 2007-01-07  Eric Christopher  <echristo@apple.com>
1895
1896         * configure.ac: Check for __stack_chk_fail for darwin.
1897         * configure: Regenerate.
1898
1899 2007-01-07  Richard Guenther  <rguenther@suse.de>
1900
1901         * tree-vrp.c (extract_range_from_assert): CSE calls to
1902         compare_values where possible.
1903         (extract_range_from_unary_expr): Likewise.
1904
1905 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1906
1907         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1908         * config/avr/avr.c (call_insn_operand): Delete function.
1909         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1910         instead of register number. Use predicates.
1911         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1912         call_insn_operand): Add.
1913
1914 2007-01-06  Jan Hubicka  <jh@suse.cz>
1915
1916         * tree-pass.h (pass_build_cgraph_edges): Declare.
1917         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1918         (visited_nodes): Remove.
1919         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1920         build_cgrpah_edges; make visited_nodes local.
1921         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1922         (record_references_in_initializer): Move to cgraphbuild.c
1923         (initialize_inline_failed, rebuild_cgraph_edges,
1924         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1925         (verify_cgraph_node): Make visited_nodes local.
1926         (cgraph_analyze_function): Do not call cgraph_create_edges and
1927         initialize_inline_failed.
1928         (cgraph_expand_function): Do not call cgraph_lower_function;
1929         assert that function is already lowered.
1930         * Makefile.in (cgraphbuild.o): New.
1931         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1932         at the end of lowering passes.
1933
1934 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1935
1936         * ifcvt.c (cond_move_convert_if_block): New function, code
1937         factored out from...
1938         (cond_move_process_if_block): ...here.  Call the new function
1939         on the THEN and ELSE blocks.
1940         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1941         already takes care of this.
1942
1943 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1944
1945         PR c/19978
1946         * tree.h (TREE_OVERFLOW_P): New.
1947         * c-typeck.c (parser_build_unary_op): Warn only if result
1948         overflowed and operands did not.
1949         (parser_build_binary_op): Likewise.
1950         (convert_for_assignment): Remove redundant overflow_warning.
1951         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1952
1953 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1954
1955         * c-typeck.c (store_init_value): Split over two lines to follow
1956         the GNU coding style.
1957
1958 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1959
1960         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1961         __GXX_EXPERIMENTAL_CXX0X__.
1962         * doc/cpp.texi: Same.
1963
1964 2007-01-05  Richard Guenther  <rguenther@suse.de>
1965
1966         PR middle-end/27826
1967         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1968         with mismatched types.  Instead explicitly build a
1969         conversion NOP_EXPR.
1970
1971 2007-01-05  Ian Lance Taylor  <iant@google.com>
1972
1973         * c-common.c (decl_with_nonnull_addr_p): New function.
1974         (c_common_truthvalue_conversion): Call it.
1975         * c-typeck.c (build_binary_op): Likewise.
1976         * c-common.h (decl_with_nonnull_addr_p): Declare.
1977
1978 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1979
1980         PR c/30360
1981         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1982         denom against 0.0.
1983
1984 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1985
1986         * doc/install.texi (Final install): Document the fact that
1987         the GNAT runtime should not be stripped.
1988
1989 2007-01-04  Jan Hubicka  <jh@suse.cz>
1990
1991         * tree-inline.c (fold_marked_statements): Update operand caches
1992         and EH after folding
1993
1994 2007-01-04  Ian Lance Taylor  <iant@google.com>
1995
1996         * c-common.c (check_function_nonnull): Whitespace fix.
1997
1998 2007-01-04  Jan Hubicka  <jh@suse.cz>
1999
2000         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2001         comitted older version of patch.
2002         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2003         function, celanup cfg and collect garbage.
2004
2005 2007-01-04  Mike Stump  <mrs@apple.com>
2006
2007         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2008         (clean): Likewise.
2009
2010 2007-01-04  Eric Christopher  <echristo@apple.com>
2011
2012         * libgcc2.c (__bswapsi2): Use SItype.
2013         (__bswapdi2): Use DItype.
2014         * libgcc2.h: Update for above.
2015
2016 2007-01-04  Paul Brook  <paul@codesourcery.com>
2017
2018         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2019         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2020         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2021         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2022         umulsi3_highpart): Make conditional on !arm_arch6.
2023         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2024         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2025         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2026         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2027         umulsi3_highpart_v6): New insns.
2028
2029 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2030
2031         * fold-const.c (fold_convert): When casting an expression to void,
2032         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2033         have a type.  Instead of attempting to build a NOP_EXPR, return
2034         these "special" trees directly.
2035
2036 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2037
2038         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2039         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2040         rs6000_cost->fp not 0 as adjustment for outer NEG.
2041
2042 2007-01-04  Jan Hubicka  <jh@suse.cz>
2043
2044         * cgraph.c (cgraph_release_function_body): New function.
2045         (cgraph_remove_node): Use it.
2046         * cgraph.h (cgraph_release_function_body): Declare.
2047         * cgraphunit.c (cgraph_expand_function): Use it.
2048         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2049         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2050         is initialized and while compilation of other function is running.
2051         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2052         statement CFG annotations from here to ...
2053         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2054
2055 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2056
2057         * cfgloop.h (enum li_flags): Make the constants powers of two.
2058
2059 2007-01-04  Jan Hubicka  <jh@suse.cz>
2060
2061         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2062         set.
2063         (fold_marked_statements): New function.
2064         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2065         * tree-inline.h (copy_body_data): Add statements_to_fold.
2066
2067 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2068
2069         * config.gcc: Mention libgcc/config.host.
2070         * Makefile.in: Update comments mentioning libgcc.
2071         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2072         (all.cross, start.encap, rest.encap, rest.cross): Update
2073         dependencies for libgcc move.
2074         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2075         (clean-target, clean-target-libgcc): Delete.
2076         (srcdirify, GCC_EXTRA_PARTS): New macros.
2077         (libgcc-support, libgcc.mvars): New rules.
2078         (distclean): Remove mention of mklibgcc.
2079         (install): Don't reference INSTALL_LIBGCC.
2080         (install-common): Don't reference EXTRA_PARTS.
2081         (install-libgcc, install-multilib): Delete rules.
2082         * mklibgcc.in: Delete file.
2083         * doc/configfiles.texi: Don't mention mklibgcc.
2084
2085         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2086         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2087         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2088         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2089         (mklibgcc, ldblspecs): Likewise.
2090
2091         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2092         (posixpre.def): Use $(T).
2093         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2094         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2095         (SHLIB_LINK): Make dummy.
2096         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2097
2098         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2099
2100         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2101         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2102         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2103         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2104
2105         * configure.ac (all_outputs): Remove mklibgcc.
2106         * configure: Regenerated.
2107
2108 2007-01-03  Josh Conner  <jconner@apple.com>
2109
2110         PR middle-end/29683
2111         * calls.c (compute_argument_addresses): Set stack and stack_slot
2112         for partial args, too.
2113         (store_one_arg): Use locate.size.constant for the size when
2114         generating a save_area.
2115
2116 2007-01-03  Robert Kennedy <jimbob@google.com>
2117
2118         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2119         whose definitions are deleted due to basic block merging.
2120
2121 2007-01-03  Paul Brook  <paul@codesourcery.com>
2122
2123         PR target/16634
2124         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2125         functions.
2126         (use_return_insn): Return 0 for Thumb interrupt functions.
2127         (print_multi_reg): Add rfe argument for IRQ returns.
2128         (arm_output_epilogue): Pop interrupt return address directly into PC.
2129         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2130
2131 2007-01-03  Paul Brook  <paul@codesourcery.com>
2132
2133         Merge from sourcerygxx-4_1.
2134         * config/arm/thumb2.md: New file.
2135         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2136         Thumb-2.
2137         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2138         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2139         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2140         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2141         tables.
2142         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2143         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2144         comptibility.
2145         * config/arm/ieee754-sf.S: Ditto.
2146         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2147         (thumb1_base_register_rtx_p): ... to this.
2148         (thumb_index_register_rtx_p): Rename...
2149         (thumb1_index_register_rtx_p): ... to this.
2150         (thumb_output_function_prologue): Rename...
2151         (thumb1_output_function_prologue): ... to this.
2152         (thumb_legitimate_address_p): Rename...
2153         (thumb1_legitimate_address_p): ... to this.
2154         (thumb_rtx_costs): Rename...
2155         (thumb1_rtx_costs): ... to this.
2156         (thumb_compute_save_reg_mask): Rename...
2157         (thumb1_compute_save_reg_mask): ... to this.
2158         (thumb_final_prescan_insn): Rename...
2159         (thumb1_final_prescan_insn): ... to this.
2160         (thumb_expand_epilogue): Rename...
2161         (thumb1_expand_epilogue): ... to this.
2162         (arm_unwind_emit_stm): Rename...
2163         (arm_unwind_emit_sequence): ... to this.
2164         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2165         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2166         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2167         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2168         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2169         thumb2_output_casesi): New functions.
2170         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2171         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2172         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2173         THUMB2_WORK_REGS): Define.
2174         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2175         arm_condexec_mask, arm_condexec_masklen)): New variables.
2176         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2177         (arm_override_options): Check new CPU capabilities.
2178         Set new architecture flag variables.
2179         (arm_isr_value): Handle v7m interrupt functions.
2180         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2181         Thumb-2.
2182         (const_ok_for_arm): Handle Thumb-2 constants.
2183         (arm_gen_constant): Ditto.  Use movw when available.
2184         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2185         functions.
2186         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2187         (thumb_find_work_register, arm_load_pic_register,
2188         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2189         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2190         print_multi_reg, output_mov_long_double_fpa_from_arm,
2191         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2192         output_mov_double_fpa_from_arm, output_move_double,
2193         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2194         output_return_instruction, arm_output_function_prologue,
2195         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2196         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2197         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2198         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2199         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2200         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2201         '!' and 'L'.
2202         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2203         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2204         (arm_file_start): Output directive for unified syntax.
2205         (arm_unwind_emit_set): Handle stack alignment instruction.
2206         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2207         Add v6t2, v7, v7a, v7r and v7m.
2208         (RETLDM): Add Thumb-2 code.
2209         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2210         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2211         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2212         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2213         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2214         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2215         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2216         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2217         ADJUST_INSN_LENGTH): Define.
2218         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2219         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2220         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2221         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2222         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2223         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2224         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2225         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2226         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2227         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2228         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2229         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2230         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2231         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2232         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2233         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2234         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2235         cortex-m3.
2236         * config/arm/arm-tune.md: Regenerate.
2237         * config/arm/arm-protos.h: Update prototypes.
2238         * config/arm/vfp.md: Enable patterns for Thumb-2.
2239         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2240         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2241         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2242         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2243         * config/arm/libunwind.S: Add Thumb-2 code.
2244         * config/arm/constraints.md: Update include Thumb-2.
2245         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2246         * config/arm/ieee754-df.S: Ditto.
2247         * config/arm/bpabi.S: Ditto.
2248         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2249         * config/arm/predicates.md (low_register_operand,
2250         low_reg_or_int_operand, thumb_16bit_operator): New.
2251         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2252         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2253         * config/arm/t-arm-elf: Add armv7 multilib.
2254         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2255         Include thumb2.md.
2256         (UNSPEC_STACK_ALIGN, ce_count): New.
2257         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2258         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2259         insns/expanders.
2260         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2261         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2262         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2263         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2264         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2265         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2266         insns.
2267         * doc/extend.texi: Document ARMv7-M interrupt functions.
2268         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2269
2270 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2271
2272         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2273         (struct _Unwind_Context): Rename args_size to flags, remove
2274         signal_frame field, add a new args_size field and version field.
2275         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2276         _Unwind_IsExtendedContext): New inline functions.
2277         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2278         Assume by_value array is only present if _Unwind_IsExtendedContext.
2279         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2280         _Unwind_IsSignalFrame.
2281         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2282         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2283         (uw_init_context_1): Initialize context->flags to
2284         EXTENDED_CONTEXT_BIT.
2285         * config/rs6000/linux-unwind.h (frob_update_context): Use
2286         _Unwind_SetSignalFrame.
2287
2288 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2289
2290         PR middle-end/30353
2291         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2292         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2293         the value.
2294
2295 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2296
2297         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2298         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2299         RET, AT_SP): Remove.
2300         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2301         instead of RET.
2302
2303         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2304         * cfgbuild.c (find_basic_blocks): Likewise.
2305         * cfgrtl.c (rtl_create_basic_block): Likewise.
2306         * function.c (temp_slots_at_level): Likewise.
2307         * reg-stack.c (stack_regs_mentioned): Likewise.
2308         * regclass.c (allocate_reg_info): Likewise.
2309         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2310         set_bb_for_stmt, move_block_to_fn): Likewise.
2311         * tree-complex.c (tree_lower_complex): Likewise.
2312         * vec.h (VEC_safe_grow_cleared): New.
2313
2314         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2315
2316 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2317
2318         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2319         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2320         to loop_version.
2321         * cfgloopmanip.c (scale_loop_frequencies): Export.
2322         (loopify): Scale the frequencies by prescribed coefficients.
2323         (set_zero_probability): New function.
2324         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2325         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2326         and frequencies according to arguments.
2327         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2328         correctly.
2329         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2330         * modulo-sched.c (sms_schedule): Set probabilities for entering
2331         versioned loop correctly.
2332         * tree-vect-transform.c (vect_transform_loop): Ditto.
2333         * cfgloop.h (loopify, loop_version): Declaration changed.
2334         (scale_loop_frequencies): Declared.
2335
2336 2007-01-02  Jan Hubicka  <jh@suse.cz>
2337
2338         * cgraph.c: Include tree-flow.h
2339         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2340         early_local_passes.
2341         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2342         * tree-pass.h (pass_all_early_optimizations): Declare.
2343         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2344         early_local_passes.
2345         (cgraph_analyze_function): Do early_local_passes.
2346         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2347         Do not add referenced vars.
2348         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2349         SSA form.
2350         (gate_all_early_local_passes): New gate.
2351         (pass_early_local_passes): Use new gate.
2352         (execute_early_local_optimizations): New functions.
2353         (gate_all_early_optimizations): New gate.
2354         (pass_all_early_optimizations): New pass.
2355         (execute_free_datastructures): Free SSA only when initialized.
2356         (gate_init_datastructures): Init only when optimizing.
2357         (tree_lowering_passes): Do early local passes when called late.
2358         * tree-profile.c (do_tree_profiling): Don't profile functions added
2359         late.
2360         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2361         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2362         not active.
2363         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2364         during early_local_passes.
2365         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2366
2367
2368 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2369
2370         * Makefile.in: Update copyright year.
2371
2372 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2373
2374         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2375         in $(lang_checks) and check-consistency targets.
2376
2377 2007-01-02  Jan Hubicka  <jh@suse.cz>
2378
2379         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2380         Do not add referenced vars.
2381         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2382         are not active.
2383         * passes.c (init_optimization_passes): Put mudflap_2 after
2384         free_datastructures.
2385
2386 2007-01-02  Jan Hubicka  <jh@suse.cz>
2387
2388         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2389         Set NOTHROW flag on call statements proved to be nothrow.
2390         Update statement of local calls so new pure/const functions are
2391         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2392         goto receivers.
2393         (tree_rest_of_compilation): Register hooks and initialize bitmap
2394         early. Do not set after_inlining flag.
2395
2396 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2397
2398         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2399         HOST_BITS_PER_LONGLONG
2400
2401 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2402
2403         PR c/19977
2404         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2405         warning for non-static initializers.
2406
2407 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2408
2409         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2410         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2411         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2412         Always use set_unique_reg_note to add REG_EQUAL notes.
2413
2414 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2415
2416         Revert:
2417         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2418
2419         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2420         * cfgbuild.c (find_basic_blocks): Likewise.
2421         * cfgrtl.c (rtl_create_basic_block): Likewise.
2422         * function.c (temp_slots_at_level): Likewise.
2423         * reg-stack.c (stack_regs_mentioned): Likewise.
2424         * regclass.c (allocate_reg_info): Likewise.
2425         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2426         set_bb_for_stmt, move_block_to_fn): Likewise.
2427         * tree-complex.c (tree_lower_complex): Likewise.
2428         * vec.h (VEC_safe_grow_cleared): New.
2429
2430 2007-01-02  Ian Lance Taylor  <iant@google.com>
2431
2432         * c-common.c (c_common_truthvalue_conversion): When warning about
2433         using an assignment as a truth value, set TREE_NO_WARNING.
2434
2435 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2436
2437         PR middle-end/7651
2438         * c.opt (Wold-style-declaration): New.
2439         * doc/invoke.texi (C-only Warning Options): New.
2440         (Wold-style-declaration): Document it.
2441         (Wextra): Enabled by -Wextra.
2442         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2443         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2444         -Wold-style-declaration.
2445
2446 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2447
2448         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2449         * cfgbuild.c (find_basic_blocks): Likewise.
2450         * cfgrtl.c (rtl_create_basic_block): Likewise.
2451         * function.c (temp_slots_at_level): Likewise.
2452         * reg-stack.c (stack_regs_mentioned): Likewise.
2453         * regclass.c (allocate_reg_info): Likewise.
2454         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2455         set_bb_for_stmt, move_block_to_fn): Likewise.
2456         * tree-complex.c (tree_lower_complex): Likewise.
2457         * vec.h (VEC_safe_grow_cleared): New.
2458
2459 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2460
2461         * c-common.c(c_common_nodes_and_builtins): Since variants of
2462         void_type_node get built before it is given a name, we need to
2463         give those variants the name, too.
2464         (complete_array_type): We need to work with the canonical main
2465         type of the array, from which we will build the qualified version.
2466         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2467         * print-tree.c (print_node): Display canonical type information
2468         for each type.
2469         * stor-layout.c (layout_type): When we don't know the
2470         alignment of a type for which we're building an array, we end up
2471         guessing wrong, so make the type require structural equality.
2472         * tree.c (make_node_stat): When we build a new type, it is its
2473         own canonical type.
2474         (build_type_attribute_qual_variant): When building an attribute
2475         variant, its canonical type is the non-attribute variant. However,
2476         if the attributes are target-dependent and they differ, we need to
2477         use structural equality checks for this type.
2478         (build_qualified_type): A qualified type is not equivalent to its
2479         unqualified variant; set the canonical type appropriately.
2480         (build_distinct_type_copy): When building a distinct type from
2481         another type, the new type is its own canonical type.
2482         (build_variant_type_copy): When building a new type variant, we
2483         assume that it is equivalent to the original type.
2484         (build_pointer_type_for_mode): When building a pointer type, also
2485         build a canonical type pointer.
2486         (build_reference_type_for_mode): When building a reference type,
2487         also build a canonical type reference.
2488         (build_index_type): When we can't hash an index type (e.g.,
2489         because its maximum value is negative), the index type requires
2490         structural equality tests.
2491         (build_array_type): Build the canonical form of an array type.
2492         (build_function_type): Function types require structural equality,
2493         because they contain default arguments, attributes, etc.
2494         (build_method_type_directly): Ditto for method types.
2495         (build_offset_type): Build the canonical offset type.
2496         (build_complex_type): Build the canonical vector type.
2497         (make_vector_type): Build the canonical vector type.
2498         * tree.h (TYPE_CANONICAL): New.
2499         (TYPE_STRUCTURAL_EQUALITY_P): New.
2500         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2501         (struct tree_type): Added "canonical" field.
2502         * params.h (VERIFY_CANONICAL_TYPES): New.
2503         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2504         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2505         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2506         * doc/invoke.texi (verify-canonical-types): Document --param
2507         parameter for verifying canonical types.
2508
2509 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2510
2511         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2512         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2513         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2514         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2515         tm_file.
2516         * config/rs6000/e500.h: New.
2517         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2518         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2519         Remove.
2520         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2521         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2522         TARGET_E500_DOUBLE): Remove.
2523         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2524         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2525         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2526         * config/rs6000/rs6000.c (rs6000_override_options): Use
2527         CHECK_E500_OPTIONS.
2528
2529 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2530
2531         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2532         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2533         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2534         rs6000_emit_cmove): Don't check TARGET_E500.
2535         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2536         sordered): Don't check TARGET_E500.
2537
2538 2007-01-01  Eric Christopher  <echristo@apple.com>
2539
2540         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2541         HARD_REGISTER_NUM_P.
2542
2543 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2544
2545         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2546         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2547         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2548         eq/ne Y".
2549
2550 2007-01-01  Mike Stump  <mrs@apple.com>
2551
2552         * configure.ac: Remove support for building with Apple's gcc-3.1.
2553
2554 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2555
2556         PR middle-end/30311
2557         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2558         REG is a hard register.  Do not modify REG before calling
2559         subreg_nregs.
2560         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2561         multiple of the size of YMODE for certain lowpart cases.
2562
2563 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2564
2565         PR middle-end/30253
2566         * gimplify (voidify_wrapper_expr): Update for
2567         GIMPLE_MODIFY_STMT.
2568
2569 2007-01-01  Andreas Schwab  <schwab@suse.de>
2570
2571         PR target/29166
2572         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2573         save of BR0 in extra_spill_size instead of spill_size.
2574         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2575         area.
2576         (ia64_expand_epilogue): Restore BR0 from its new location.
2577
2578 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2579
2580         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2581         Use a temporary variable if the left hand side is not a gimple
2582         register.
2583
2584 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2585
2586         * gimplify.c (gimplify_return_expr): Make the temporary variable
2587         for the return expression, a gimple register variable.
2588
2589 2007-01-01  Jan Hubicka  <jh@suse.cz>
2590
2591         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2592         INSN_LIST.
2593
2594 2007-01-01  Mike Stump  <mrs@apple.com>
2595
2596         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2597         .literal16.
2598         * config/darwin.c (machopic_select_rtx_section): Use
2599         HAVE_GAS_LITERAL16.
2600         (darwin_mergeable_constant_section): Likewise.
2601         * configure: Regenerate.
2602         * config.in: Regenerate.
2603
2604 2007-01-01  Jan Hubicka  <jh@suse.cz>
2605             Andrew Pinski  <pinskia@gmail.com>
2606
2607         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2608         before starting IPA passes.