gcc/ChangeLog

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