gcc/ChangeLog

   1 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
   4         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
   5         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
   6         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
   7         * c-common.c (handle_novops_attribute): New function.
   8         (c_common_attribute_table): Add "no vops" entry.
   9         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
  10         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
  11         * tree-ssa-operands.c (get_call_expr_operands): Do not
  12         create virtual operands for calls with ECF_NOVOPS flag.
  13         * tree.h (DECL_IS_NOVOPS): New macro.
  14         (struct tree_decl): Add novops_flag.
  15         (ECF_NOVOPS): New constant.
  16
  17 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
  18
  19         PR target/17688
  20         * config/i386/i386.c (x86_use_himode_fiop): New.
  21         (x86_use_simode_fiop): Rename from x86_use_fiop.
  22         * config/i386/i386.h (x86_use_himode_fiop): Declare.
  23         (TARGET_USE_HIMODE_FIOP): New.
  24         (x86_use_simode_fiop): Rename from x86_use_fiop.
  25         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
  26
  27         * config/i386/i386.md (X87MODEI12): New mode macro define.
  28         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
  29         to implement x87 FP compare with HImode input operands.
  30         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
  31         Use X87MODEI12 mode macro to handle HImode input operands.
  32         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
  33         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
  34         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
  35         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
  36         macro to implement x87 operators with HImode input operands.
  37         (fop splitters): Use X87MODEI12 mode macro to handle HImode
  38         input operands.
  39
  40 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
  41
  42         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
  43         integer_zerop.
  44         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
  45         constants invariant.
  46
  47 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
  48
  49         * basic-block.h (BB_VISITED): Removed.
  50         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
  51
  52 2005-03-14  Falk Hueffner  <falk@debian.org>
  53
  54         PR bootstrap/20424
  55         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
  56
  57 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
  58
  59         * ggc-zone.c: Fix comment typos.
  60
  61         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
  62         stringpool.c, config/mips/mips-protos.h: Update copyright.
  63
  64 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
  65
  66         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
  67         throughout with its typedef, "rtx".
  68         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
  69         (rs6000_tls_symbol_ref_1): Remove inline keyword.
  70         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
  71         regs in comment to match code.
  72
  73 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
  74
  75         * except.c (check_handled): Make it static.
  76         * except.h: Remove the corresponding prototype.
  77
  78         * function.c (get_func_frame_size): Make it static.
  79         * function.h: Remove the corresponding type.
  80
  81         * regclass.c (reg_class_superclasses, reg_class_subclasses):
  82         Make them static.
  83         * hard-reg-set.h: Remove the corresponding declarations.
  84
  85         * tree-cfg.c (verify_stmts): Check that
  86         bb_for_stmt (stmt) == bb for every PHI node and statement.
  87
  88 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
  89
  90         * config.gcc: Remove excess indentation.
  91         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
  92
  93 2005-03-13  Roger Sayle  <roger@eyesopen.com>
  94
  95         PR middle-end/19331
  96         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
  97         * fold-const.c (fold_sign_changed_comparison): Likewise.
  98         (fold_binary): Optimize comparisons against widened operands if
  99         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
 100
 101 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 102
 103         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
 104         (sparc_override_options): Initialize it.
 105         (sparc_struct_value_rtx): Set it on the MEM to be returned.
 106
 107 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
 108
 109         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
 110         (reg_or_none500mem_operand): New predicate.
 111         (zero_reg_mem_operand): New predicate.
 112         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
 113         to reg_or_none500mem_operand.
 114         (extendsfdf2_fpr): Add MEM alternative.
 115         (extenddftf2_internal): Change operand2 predicate to
 116         zero_reg_mem_operand.
 117
 118 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 119
 120         * ggc-zone.c: Rewritten.
 121
 122         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
 123         if there are none.
 124         * configure.ac: Define GGC_ZONE for --with-gc=zone.
 125         * config.in: Regenerated.
 126         * configure: Regenerated.
 127         * gengtype.c (write_types_process_field, write_func_for_structure):
 128         Pass new argument to gt_pch_note_object.
 129         * ggc-common.c (struct ptr_data): Add TYPE.
 130         (gt_pch_note_object): Take TYPE argument and save it.
 131         (call_count): Update call to ggc_pch_count_object.
 132         (call_alloc): Update call to ggc_pch_alloc_object.
 133         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
 134         file.
 135         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
 136         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
 137         (ggc_alloc_zone_stat): Delete.
 138         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
 139         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
 140         (ggc_pch_alloc_object): Update prototypes.
 141         (garbage_zone): Delete.
 142         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
 143         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
 144         pointers.
 145         (tree_id_zone): New variable.
 146         (ggc_alloc_cleared_zone): Remove unused.
 147         (ggc_alloc_zone): Define.
 148         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
 149         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
 150         ggc_alloc_zone_stat.
 151         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
 152         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
 153         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
 154         (make_node_stat): Likewise.  Use tree_id_zone.
 155
 156 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 157             Joseph S. Myers  <joseph@codesourcery.com>
 158
 159         * configure.ac: Check for MIPS TLS.
 160         * configure: Regenerated.
 161         * config/mips/mips-protos.h (enum mips_symbol_type): Add
 162         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
 163         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
 164         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
 165         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
 166         (mips_classify_symbol, mips_symbolic_constant_p)
 167         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
 168         (mips_tls_operand_p, mips_call_tls_get_addr)
 169         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
 170         (mips_tls_symbol_ref_1): New functions.
 171         (mips_legitimize_address, mips_legitimize_const_move): Call
 172         mips_legitimize_tls_address.
 173         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
 174         for MIPS16.
 175         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
 176         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
 177         (mips_char_to_class): Document V1_REG.
 178         (HAVE_AS_TLS): Provide default.
 179         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
 180         constants.
 181         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
 182         !TARGET_ABICALLS.
 183         (tls_get_tp_<mode>): New instruction.
 184
 185 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 186
 187         * configure.ac: Update checks for target tools.
 188         * configure: Regenerated.
 189
 190 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 191
 192         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
 193
 194 2005-03-13  Roger Sayle  <roger@eyesopen.com>
 195
 196         * expmed.c (expand_mult): Use synthetic multiplication sequences for
 197         more classes of DImode multiplication by constant.  Allow both
 198         multiplication by small negative constants (by performing a
 199         multiplication by a positive constant and negating the result) and
 200         multiplications by large powers of two, by using a left shift.
 201
 202 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
 203
 204         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
 205         of basic blocks into work_stack.
 206
 207         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
 208         config/mips/vr.h: Update copyright.
 209
 210         * c-decl.c (c_init_decl_processing): Remove useless calls to
 211         build_function_type.
 212
 213         * builtins.c (fold_trunc_transparent_mathfn,
 214         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
 215         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
 216         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
 217         fold_builtin_strcpy, fold_builtin_strncpy,
 218         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
 219         TREE_TYPE (exp).
 220
 221         * builtins.c (expand_builtin_mathfn_3): Remove local variable
 222         before_call.
 223
 224         * lambda-code.c (lambda_compute_auxillary_space): Remove local
 225         variable determinant.
 226
 227         * tree-cfg.c (group_case_labels): Remove local variable type.
 228
 229         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
 230         variable ann.
 231
 232         * tree-ssa-phiopt.c (value_replacement): Remove local variable
 233         result.
 234
 235 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
 236
 237         PR target/18251
 238         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
 239         (*movmemqi_insn): Delete.
 240         (*movmemhi): Delete.
 241
 242 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
 243
 244         * builtins.c (fold_builtin_classify): Take decomposed
 245         arguments of CALL_EXPR.
 246         (fold_builtin_1): Update a call to fold_builtin_classify.
 247
 248 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
 249
 250         PR c/20402
 251         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
 252         through into call to parser_xref_tag after parse error.
 253         (c_parser_struct_declaration): Consistently return NULL_TREE on
 254         error.
 255
 256 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
 257
 258         * tree-flow-inline.h (ref_contains_array_ref): New function.
 259         (lookup_subvars_for_var): Ditto.
 260         (get_subvars_for_var): Ditto.
 261         (var_can_have_subvars): Ditto.
 262
 263         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
 264         (struct subvar): New type.
 265
 266         * tree-dfa.c (okay_component_ref_for_subvars): New function.
 267
 268         * tree-optimize.c (init_tree_optimization_passes): Call
 269         pass_create_structure_vars.
 270
 271         * tree-ssa-alias.c: Include vec.h.
 272         (init_alias_info): Don't auto-clear call clobbered on struct-field
 273         tags.
 274         (compute_flow_insensitive_aliasing): Handle subvars.
 275         (group_aliases): Handle STRUCT_FIELD aliases.
 276         (setup_pointers_and_addressables): Ditto.
 277         Don't mark variables non-addressable if they still have
 278         addressable subvars.
 279         Also mark subvars addressable when the real variable is marked
 280         addressable.
 281         (add_pointed_to_var): Try to prune the pointed-to set by only
 282         pointing to subvars when possible.
 283         Otherwise, make sure we set addresses_needed and pt_vars to
 284         properly include subvars.
 285         (bitpos_of_field): New function.
 286         (push_fields_onto_fieldstack): Ditto.
 287         (get_or_create_used_part_for): Ditto.
 288         (create_overlap_variables_for): Ditto.
 289         (find_used_portions): Ditto.
 290         (create_structure_vars): Ditto.
 291         (pass_create_structure_vars): New structure.
 292
 293         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
 294         (get_expr_operands): Handle subvars.  Also try to turn
 295         COMPONENT_REF accesses into must-defs now that we can accurately
 296         portray it.
 297         (note_addressable): Try to only mark as addressable those subvars
 298         we know a COMPONENT_REF touches.
 299         (overlap_subvar): New function.
 300
 301         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
 302         Handle subvar storing.
 303         (vect_address_analysis): Update caller of vect_object_analysis.
 304
 305         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
 306
 307         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
 308         (STMT_VINFO_SUBVARS): New macro.
 309
 310         * common.opts: add flag_tree_salias.
 311
 312         * opts.c (decode_options): flag_tree_salias defaults to on.
 313
 314         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
 315
 316         * doc/tree-ssa.texi: Document structural alias analysis.
 317
 318 2005-03-12  Steven Bosscher  <stevenb@suse.de>
 319
 320         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
 321         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
 322         * tree-ssa-operands.c (get_expr_operands): Likewise.
 323         (get_expr_operands): Likewise for ERROR_MARK.
 324
 325 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
 326
 327         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
 328         var.
 329
 330         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
 331         removed_phis.
 332
 333         * tree-ssa-pre.c (compute_avail): Remove local variable val.
 334         (mark_operand_necessary): Remove local variable ver.
 335
 336         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
 337         variable prefix_len.
 338
 339         * value-prof.c (mod_subtract_transform): Remove local variable
 340         value.
 341
 342         * builtins.c (fold_builtin_exponent): Take decomposed
 343         arguments of CALL_EXPR.
 344         (fold_builtin_1): Update a call to fold_builtin_exponent.
 345
 346         * builtins.c (fold_builtin_logarithm): Take decomposed
 347         arguments of CALL_EXPR.
 348         (fold_builtin_1): Update a call to fold_builtin_logarithm.
 349
 350         * c-decl.c (c_init_decl_processing): Remove local variables
 351         ptr_ftype_void and ptr_ftype_ptr.
 352
 353         * gimplify.c (gimplify_expr): Remove local variables r0 and
 354         r1.
 355
 356         * reg-stack.c (move_for_stack_reg): Remove local variable
 357         push_insn.
 358         (compare_for_stack_reg): Remove local variable flags_user.
 359         (convert_regs_1): Remove local variable deleted.
 360
 361         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
 362         variable new_cond.
 363         (combine_blocks): Remove local variables exits and new_e.
 364
 365         * tree-inline.c (expand_call_inline): Remove local variable
 366         decl.
 367
 368         * tree-ssa-live.c (create_ssa_var_map,
 369         calculate_live_on_entry): Remove local variable snn.
 370
 371 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
 372
 373         * c-lex.c (c_lex_with_flags): Add parameter to call to
 374         cpp_spell_token.
 375
 376 2005-03-11  Per Bothner  <per@bothner.com>
 377
 378         * c-tree.h (struct c_declarator): New id_loc field.
 379         * c-pragma.h (c_lex_with_flags): Take position reference.
 380         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
 381         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
 382         (c_lex): Pass dummy location to c_lex_with_flags.
 383         * c-parser.c (c_lex_one_token): Set c_token's location using
 384         c_lex_with_flags, instead of input_location, which might be "ahead".
 385         (c_parser_direct_declarator): Set declarator's id_loc from
 386         c_token's id_loc.
 387         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
 388         declarator's id_loc, rather than probably-imprecise input_location.
 389         (build_id_declarator): Initialize c_declarator's id_loc field.
 390
 391 2005-03-11  Roger Sayle  <roger@eyesopen.com>
 392
 393         PR middle-end/20419
 394         * builtins.c (expand_builtin_signbit): Force the signbit's word
 395         into an integer register to avoid SUBREGs of floating point modes.
 396
 397 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
 398
 399         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
 400         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
 401         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
 402         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
 403
 404 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
 405
 406         PR rtl-optimization/20306
 407         * expr.c (emit_move_complex): Set try_int false if mode is
 408         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
 409         emit_block_move if try_int is true.
 410
 411 2005-03-11  Richard Henderson  <rth@redhat.com>
 412
 413         PR target/20415
 414         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
 415         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
 416         to match.
 417
 418 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
 419
 420         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
 421         (TARGET_FIX_VR4130): New macro.
 422         (TARGET_OPTIONS): Add -mfix-vr4130.
 423         (ISA_HAS_MACCHI): New macro.
 424         (ASM_SPEC): Add -mfix-vr4130.
 425         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
 426         (override_options): Handle mips_fix_vr4130_string.
 427         (mips_avoid_hazards): Clear all_noreorder_p
 428         if we're working around VR4130 errata and the macc alternatives
 429         are not available.
 430         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
 431         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
 432         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
 433         (MULTILIB_DEFAULTS): Remove leading "march=".
 434         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
 435         if no architecture option is given.
 436         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
 437         VR4130 multilibs.
 438         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
 439         * doc/invoke.texi: Document -mfix-vr4130.
 440
 441 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
 442
 443         * config/mips/mips.c (override_options): Only warn about -mint64
 444         deprecation if TARGET_INT64.
 445
 446 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 447
 448         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
 449         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
 450         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
 451         are non-specific regarding the nonnull parameter positions.
 452         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
 453         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
 454         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
 455         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
 456
 457         * builtins.def: Use the non-specific "nonnull" attibute lists.
 458
 459 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
 460
 461         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
 462         single_pred_edge, single_succ, single_pred): Improve comments.
 463
 464 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
 465
 466         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
 467         single_pred_edge, single_succ, single_pred): New inline functions.
 468         * bb-reorder.c (rotate_loop, find_traces_1_round,
 469         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
 470         duplicate_computed_gotos): Use the single_succ/pred functions.
 471         * cfganal.c (forwarder_block_p): Ditto.
 472         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
 473         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
 474         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
 475         merge_seq_blocks): Ditto.
 476         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
 477         * cfglayout.c (fixup_reorder_chain): Ditto.
 478         * cfgloop.c (mark_single_exit_loops, update_latch_info,
 479         canonicalize_loop_headers, verify_loop_structure): Ditto.
 480         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
 481         mfb_update_loops, create_preheader, force_single_succ_latches,
 482         create_loop_notes): Ditto.
 483         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
 484         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
 485         commit_one_edge_insertion, purge_dead_edges,
 486         cfg_layout_can_merge_blocks_p): Ditto.
 487         * except.c (sjlj_emit_function_enter): Ditto.
 488         * flow.c (init_propagate_block_info): Ditto.
 489         * function.c (thread_prologue_and_epilogue_insns): Ditto.
 490         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
 491         insert_insn_end_bb): Ditto.
 492         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
 493         find_if_case_2): Ditto.
 494         * lambda-code.c (perfect_nestify): Ditto.
 495         * lcm.c (optimize_mode_switching): Ditto.
 496         * loop-doloop.c (doloop_modify): Ditto.
 497         * loop-init.c (loop_optimizer_init): Ditto.
 498         * loop-iv.c (simplify_using_initial_values): Ditto.
 499         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
 500         * loop-unswitch.c (unswitch_loop): Ditto.
 501         * modulo-sched.c (generate_prolog_epilog): Ditto.
 502         * predict.c (combine_predictions_for_insn, estimate_probability,
 503         tree_estimate_probability, last_basic_block_p,
 504         estimate_bb_frequencies): Ditto.
 505         * profile.c (branch_prob): Ditto.
 506         * regrename.c (copyprop_hardreg_forward): Ditto.
 507         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
 508         * tracer.c (layout_superblocks): Ditto.
 509         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
 510         cfg_remove_useless_stmts_bb, cleanup_control_flow,
 511         cleanup_control_expr_graph, disband_implicit_edges,
 512         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
 513         tree_verify_flow_info, tree_make_forwarder_block,
 514         tree_forwarder_block_p, remove_forwarder_block,
 515         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
 516         * tree-if-conv.c (tree_if_conversion): Ditto.
 517         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 518         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
 519         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
 520         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
 521         copy_loop_headers): Ditto.
 522         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
 523         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
 524         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
 525         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
 526         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
 527         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
 528         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
 529         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
 530         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
 531         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
 532         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
 533         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
 534         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
 535         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
 536         slpeel_add_loop_guard): Ditto.
 537
 538 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
 539
 540         PR tree-optimization/15784
 541         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
 542         and -1 - A to ~A.
 543
 544         * stmt.c (expand_case): Don't change index_type.  Convert minval
 545         to the proper type.
 546
 547         PR tree-optimization/20130
 548         * fold-const.c (fold): Fold x * -1 into -x.
 549
 550 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
 551
 552         PR rtl-optimization/20331
 553         * rtlanal.c (modified_between_p): Check its address first for MEM.
 554         (modified_in_p): Likewise.
 555
 556 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
 557
 558         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
 559
 560 2005-03-10  Steven Bosscher  <stevenb@suse.de>
 561
 562         * expr.c (expand_expr_real_1): If possible, use a conditional
 563         move for expanding MIN_EXPR and MAX_EXPR.
 564         Use temp for moving around rtx-en.
 565
 566 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
 567
 568         PR rtl-opt/20412
 569         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
 570         correct mode.
 571
 572 2005-03-10  Roger Sayle  <roger@eyesopen.com>
 573
 574         * builtins.c (expand_builtin_signbit): Extend to handle floating
 575         point modes wider than the largest integer type, using the
 576         operand_subword_force function to obtain the signbit's word.
 577
 578 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
 579
 580         PR target/20322
 581         * combine.c (try_combine): If recog_for_combine added CLOBBERs
 582         to NEWI2PAT, fail to combine if they are used by NEWPAT.
 583
 584 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
 585
 586         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
 587
 588 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
 589
 590         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
 591         type void.
 592         (perform_edge_inserts): Unconditionally call
 593         free_dominator_info.
 594
 595         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
 596
 597 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
 598
 599         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
 600
 601 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
 602
 603         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
 604
 605         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
 606         gcc_unreachable.
 607         (rtl_register_value_prof_hooks,
 608         tree_value_profile_transformations,
 609         tree_register_value_prof_hooks): Likewise.
 610         * var-tracking.c (stack_adjust_offset_pre_post,
 611         variable_htab_free, variable_union, dataflow_set_different_2,
 612         count_uses, variable_was_changed, set_frame_base_location,
 613         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
 614         vt_add_function_parameters): Likewise.
 615         * varasm.c (named_section_real, named_section, make_decl_rtl,
 616         asm_emit_uninitialised, assemble_integer, decode_addr_const,
 617         const_hash_1, compare_constant, copy_constant, force_const_mem,
 618         output_constant_pool_2, output_constant_pool_1, output_constant,
 619         output_constructor, make_decl_one_only, decl_tls_model,
 620         default_no_named_section, default_elf_select_section_1,
 621         default_unique_section_1): Likewise.
 622         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
 623         * vmsdbgout.c (addr_const_to_string): Likewise.
 624
 625         PR c++/20375
 626         * function.c (struct assign_parm_data_one): Remove last_named
 627         field.
 628         (assign_parm_find_data_types): Don't determine last_named.
 629         Reorder named_parm determination.
 630         (assign_parms): Only setup varargs on the last non-varadic
 631         parameter.
 632
 633 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
 634
 635         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
 636         sda base address on medium model.
 637
 638 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
 639
 640         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
 641         * cfgloop.c (flow_loop_nodes_find): Export.
 642         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
 643         Declare.
 644         * cfgloopmanip.c (fix_loop_structure): New function.
 645         * predict.c (predict_loops): Clean up the loops information.
 646         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
 647         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
 648         loop structure.
 649         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
 650         (rewrite_into_loop_closed_ssa): Declaration changed.
 651         * tree-loop-linear.c (linear_transform_loops): Add argument to
 652         rewrite_into_loop_closed_ssa call.
 653         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
 654         * tree-ssa-loop-im.c (move_computations): Ditto.
 655         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
 656         * tree-vectorizer.c (vectorize_loops): Ditto.
 657         * tree-optimize.c: Include cfgloop.h.
 658         (execute_todo): Choose whether to call cleanup_tree_cfg or
 659         cleanup_tree_cfg_loop.
 660         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
 661         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
 662         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
 663         cleanup_tree_cfg_loop call.
 664         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
 665         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
 666         work on part of cfg.
 667
 668 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
 669
 670         PR inline-asm/20314
 671         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
 672         with multiple alternatives.
 673
 674         * stmt.c (parse_output_constraint): Fix a typo.
 675
 676 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
 677
 678         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
 679         assembly directive instead of deprecated "no-generics".
 680
 681 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
 682
 683         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
 684         for non-offsettable memory references to cope with outstanding reload
 685         replacements.
 686         * config/s390/s390.md ("reload_outti"): Call find_replacement to
 687         avoid losing outstanding address reloads.
 688         ("reload_outdi", "reload_outdf"): Likewise.
 689
 690 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 691
 692         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
 693         code.  Add more cbrt transformations.
 694
 695 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 696
 697         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
 698
 699 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 700
 701         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
 702         NULL_TREE when a given tree is not simplified.
 703         (fold): Return the original tree when any of the functions
 704         mentioned above NULL_TREE.
 705
 706         * fold-const.c (fold_unary, fold_binary): Take decomposed
 707         arguments, code, type, op0, and op1 in case of fold_binary.
 708         (fold): Update calls to fold_unary and fold_binary.
 709
 710 2005-03-09  Roger Sayle  <roger@eyesopen.com>
 711
 712         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
 713         a fndecl and an arglist instead of a CALL_EXPR, exp.
 714
 715 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 716
 717         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
 718
 719         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
 720
 721         * expr.c (expand_assignment): Remove orig_to_rtx.
 722
 723         * fold-const.c (int_const_binop): Remove no_overflow.
 724
 725         * ifcvt.c (noce_emit_move_insn): Remove inmode.
 726
 727         * loop-iv.c (get_biv_step_1): Remove lhs.
 728
 729         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
 730
 731         * real.c (real_nan): Remove neg.
 732
 733         * function.c (thread_prologue_and_epilogue_insns): Remove i
 734         and newinsn.
 735
 736         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
 737         tb.
 738
 739         * tree-eh.c (tree_could_trap_p): Remove idx.
 740
 741         * tree-into-ssa.c (ann): Remove ann.
 742
 743         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
 744
 745         * tree-sra.c (decide_block_copy): Remove inst_count.
 746
 747         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
 748
 749         * tree-ssa-loop-im.c (lhs): Remove.
 750
 751         * cfgbuild.c (state, STATE, SET_STATE,
 752         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
 753         make_edges.
 754         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
 755         (find_basic_blocks): Set the state of each basic block to
 756         BLOCK_NEW.
 757
 758 2005-03-08  Jeff Law  <law@redhat.com>
 759
 760         * tree-cfg.c (cleanup_control_flow): If removal of a computed
 761         goto results in the removal of edges in the CFG, then we need
 762         to recompute dominators.
 763
 764 2005-03-09  Ben Elliston  <bje@au.ibm.com>
 765
 766         * c-common.c (c_do_switch_warnings): Comment fix.
 767
 768 2005-03-08  Julian Brown  <julian@codesourcery.com>
 769
 770         * Patch from 2005-03-08 reverted for causing regressions and
 771         ppc-darwin bootstrap failure.
 772
 773 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
 774
 775         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
 776         Define the real function for ppc-darwin.
 777         * c-typeck.c (convert_arguments): Check for target-specific
 778         invalid argument call to unprototyped function.
 779         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
 780         New Macro.
 781         * target.h (invalid_arg_for_unprototyped_fn): New field
 782         in struct calls.
 783         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
 784         default target hook.
 785         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
 786         Declare.
 787
 788 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 789
 790         * c-typeck.c (constructor_stack, constructor_range_stack,
 791         initializer_stack): Make them static.
 792
 793         * cfg.c (rbi_pool): Make it static.
 794
 795         * gimple-low.c (lower_stmt_body): Make it static.
 796         * tree-flow.h: Remove the corresponding prototype.  Don't
 797         declare lower_data.
 798
 799         * sched-deps.c (cache_size): Make it static.
 800
 801         * stor-layout.c (lang_adjust_rli): Make it static.
 802
 803 2005-03-08  Julian Brown  <julian@codesourcery.com>
 804
 805         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 806         from being used for symbols with vague linkage when
 807         HAVE_GAS_COMDAT_GROUP is true.
 808
 809 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
 810
 811         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
 812         nlabel == JUMP_LABEL (jump).
 813
 814 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 815
 816         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
 817         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
 818         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
 819         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
 820
 821 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
 822
 823         PR c/14411
 824         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
 825         * c-common.c (handle_returns_twice): New function.
 826         (c_common_attribute_table): Declare eturns_twice' attribute.
 827         * doc/extend.texi: Document eturns_twice' attribute.
 828         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
 829         (struct tree_decl): Add returns_twice_flag.
 830
 831 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 832
 833         * tree-ssa-phiopt.c: Fix a comment typo.
 834
 835         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
 836         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
 837         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
 838         copyright.
 839
 840 2005-03-08  Richard Henderson  <rth@redhat.com>
 841
 842         * config/alpha/alpha.c (code_for_builtin): Replace special-case
 843         builtin codes with ctzdi2, clzdi2, popcountdi2.
 844         (struct alpha_builtin_def): Add is_const.
 845         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
 846         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
 847         (alpha_init_builtins): Init them.  Set nothrow and const attributes
 848         on builtins.
 849         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
 850         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
 851         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
 852         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
 853         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
 854         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
 855         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
 856         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
 857         (TARGET_FOLD_BUILTIN): New.
 858         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
 859         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
 860         (ffsdi2): Use ctz.
 861         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
 862
 863 2005-03-08  Ira Rosen  <irar@il.ibm.com>
 864
 865         PR tree-optimization/20122
 866         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
 867         condition of access function instead of base.
 868
 869 2005-03-07  Jeff Law  <law@redhat.com>
 870             Steven Bosscher  <stevenb@suse.de>
 871
 872         * tree-cfg.c (find_taken_edge_computed_goto): New function.
 873         (find_taken_edge): Call find_taken_edge_computed_goto as
 874         appropriate.  Allow any gimple invariant rather than just
 875         INTEGER_CST for VAL.
 876         (cleanup_control_flow): Cleanup a computed goto which has turned
 877         into a simple goto.
 878         (tree_merge_blocks): If block B has any forced labels, move
 879         them to the start of block A.
 880         * tree-ssa-dom.c (thread_across_edge): Allow threading across
 881         computed gotos as well.
 882         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
 883         removal of unnecessary computed gotos too.
 884         (lookup_redirection_data): Fix type of INSERT argument.  Callers
 885         updated.
 886
 887 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 888
 889         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
 890         Remove trailing spaces.
 891
 892         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
 893         unshare_all_trees): Make them static.
 894         * tree-gimple.h: Remove the corresponding prototypes.
 895
 896         * diagnostic.h: Remove unused prototype
 897         debug_output_buffer.
 898         * modulo-sched.c: Remove unused prototype
 899         set_row_column_for_ps.
 900
 901         * tree-ssa-phiopt.c (tree_ssa_phiopt,
 902         replace_phi_edge_with_variable): Remove unused variable i.
 903
 904 2005-03-07  Per Bothner  <per@bothner.com>
 905
 906         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
 907
 908 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
 909
 910         PR tree-opt/17671
 911         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
 912         bbs on the COND_EXPR instead of the PHI_NODEs.
 913         (candidate_bb_for_phi_optimization): Remove.
 914         (replace_phi_with_stmt): Rename to ...
 915         (replace_phi_edge_with_variable): this and change so that we
 916         replace the phi argument instead of removing the PHI.
 917         (conditional_replacement): Change so we deal with PHI with more
 918         than two arguments.
 919         (value_replacement): Likewise.
 920         (abs_replacement): Likewise.
 921
 922 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
 923
 924         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
 925         output_e500_flip_gt_bit.
 926
 927         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
 928         as bit 31.
 929         (rs6000_generate_compare): Fix logic to look at the correct bits.
 930         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
 931         Look at GT bit.
 932         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
 933         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
 934         gen_move_from_CR_gt_bit.
 935
 936         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
 937         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
 938         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
 939
 940         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
 941         (E500_CR_IOR_COMPARE): New constant.
 942
 943 2005-03-08  Earl Chew <earl_chew@agilent.com>
 944             David Billinghurst <David.Billinghurst@riotinto.com>
 945
 946         * config/i386/host-cygwin.c: New file to support precompiled
 947         headers on cygwin
 948         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
 949         * config.host: Use above files for cygwin host.
 950
 951 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
 952
 953         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
 954         ordering ops from earlier change.
 955
 956 2005-03-07  Per Bothner  <per@bothner.com>
 957
 958         Various fixes to allow us to again build if --enable-mapped-location:
 959         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
 960         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
 961         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
 962         local variable loc. Change logic appropriately.
 963         * tree-vect-transform.c (vect_finish_stmt_generation): Use
 964         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
 965         * c-parser.c (c_parser_for_statement): Initialize loc variable.
 966         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
 967         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
 968
 969 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
 970
 971         PR rtl-optimization/19683
 972         * reload1.c (choose_reload_regs): Pass the number of bits, not the
 973         number of bytes, to smallest_int_for_mode.  Fix arguments to
 974         REG_CANNOT_CHANGE_MODE_P.
 975
 976 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 977
 978         * reorg.c (relax_delay_slots): Check that the jump is
 979         conditional before trying to invert it.
 980
 981 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
 982
 983         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
 984         Make them static.
 985
 986         * calls (stack_arg_under_construction): Make it static.
 987
 988         * flow.c (regs_live_at_setjmp): Make it static.
 989         * flow.h: Remove the corresponding prototype.
 990
 991         * reload1.c (reload_startobj, reload_firstobj,
 992         something_needs_operands_changed, reload_inherited,
 993         reload_inheritance_insn, reload_override_in,
 994         reload_spill_index): Make them static.
 995
 996         * recog.c (verify_changes): Make it static.
 997         * recog.h: Remove the corresponding prototype.
 998
 999         * cfgbuild.c (find_sub_basic_blocks): Remove.
1000         * basic-block.h: Remove the corresponding prototype.
1001         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1002         in comments.
1003         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1004
1005         * tree-ssa-operands.c (check_build_stmt): Remove.
1006
1007         * stor-layout.c (set_alignment): Remove.
1008         * tree.h: Remove the corresponding prototype.
1009
1010         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1011
1012         * tree-ssa-dce.c (control_dependence_map,
1013         visited_control_parents): Make them static.
1014
1015         * cfghooks.c (verify_flow_info): Remove local variable
1016         num_bb_notes.
1017
1018         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1019         last_bb_seen.
1020
1021         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1022
1023 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1024
1025         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1026
1027 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1028
1029         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1030         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1031         PARALLEL for an empty structure.
1032
1033 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1034
1035         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1036
1037         * fold-const.c (fold_binary): Unroll the very first "for"
1038         loop.
1039
1040 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1041
1042         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1043         redundant match_code test.
1044         (scc_comparison_operator): Swap match_operand and match_code
1045         tests.
1046         (branch_positive_comparison_operator): Same.
1047         (trap_comparison_operator): Use comparison_operator and swap with
1048         match_code test.
1049
1050 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1051
1052         PR target/20288
1053         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1054         (out_movhi_r_mr): Read low byte of volatile MEM first.
1055         (out_movhi_mr_r): Write high byte of volatile MEM first.
1056
1057 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1058
1059         * cselib.c (reg_values, reg_values_size): Make them static.
1060
1061         * cse.c (cse_reg_info_table): Make it static.
1062
1063         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1064
1065 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1066
1067         * cse.c (find_best_addr): Use canon_for_address.
1068
1069 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1070
1071         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1072         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1073         SUBREG and MEM, respectively.
1074
1075         * fold-const.c (fold_binary): Use code instead of t.
1076
1077         * fold-const.c (optimize_minmax_comparison): Take decomposed
1078         arguments code, type, op0, and op1 instead of t.
1079         (fold_binary): Update a call to optimize_minmax_comparison.
1080
1081         * fold-const.c (fold_range_test): Take decomposed arguments
1082         code, type, op0, and op1 instead of t.
1083         (fold_binary): Update a call to fold_range_test.
1084
1085         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1086         decomposed arguments code, type, op0, and op1 instead of t.
1087         (fold_binary): Update a call to fold_range_test.
1088
1089 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1090
1091         * fold-const.c (fold_binary): Avoid directly using the original
1092         expression t as much as possible.
1093
1094 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1095
1096         * c-semantics.c (build_stmt): Use TYPE_P instead of
1097         IS_NON_TYPE_CODE_CLASS.
1098         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1099         (NON_TYPE_CHECK): Use TYPE_P instead of
1100         IS_NON_TYPE_CODE_CLASS.
1101
1102         * fold-const.c (fold): Remove handling of binary expressions.
1103
1104 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1105
1106         * doc/c-tree.texi: Wrap comments in @r{}.
1107         * doc/cpp.texi: Likewise.
1108         * doc/cppinternals.texi: Likewise.
1109         * doc/extend.texi: Likewise.
1110         * doc/md.texi: Likewise.
1111         * doc/objc.texi: Likewise.
1112         * doc/sourcebuild.texi: Likewise.
1113         * doc/tm.texi: Likewise.
1114         * doc/tree-ssa.texi
1115
1116 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1117
1118         * predict.c (apply_return_prediction): Standardize PHI chain
1119         walking.
1120         * tree-ssa.c (ssa_redirect_edge): Likewise.
1121
1122         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1123         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1124         Update copyright.
1125
1126         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1127         * tree-flow.h: Adjust the prototype for remove_phi_node.
1128         * lambda-code.c (perfect_nestify): Adjust a call to
1129         remove_phi_node.
1130         * tree-cfg.c
1131         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1132         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1133         Likewise.
1134         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1135         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1136         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1137         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1138
1139         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1140         of GEN_INT (trunc_int_for_mode (...)).
1141         * loop-iv.c (iv_number_of_iterations): Likewise.
1142         * postreload.c (reload_cse_move2add): Likewise.
1143         * simplify-rtx.c (simplify_const_unary_operation,
1144         simplify_const_binary_operation): Likewise.
1145         * stor-layout.c (get_mode_bounds): Likewise.
1146
1147         * fold-const.c (fold_binary): New.
1148         (fold): Call fold_binary on binary expressions.
1149
1150 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1151
1152         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1153         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1154         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1155         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1156         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1157
1158 2005-03-04  Devang Patel  <dpatel@apple.com>
1159
1160         PR tree-optimization/18815
1161         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1162         loops with zero exit edges.
1163
1164 2005-03-04  Devang Patel  <dpatel@apple.com>
1165
1166         * doc/invoke.texi: Remove reference to webpage that does not exist.
1167
1168 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1169             Joseph S. Myers  <joseph@codesourcery.com>
1170
1171         PR c++/19797
1172         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1173         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1174         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1175         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1176         maybe_get_identifier instead of get_identifier.
1177         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1178         (struct deferred_plabel): Replace name field with symbol field.
1179         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1180         ASM_OUTPUT_EXTERNAL_REAL is defined.
1181         (output_global_address): Use output_addr_const for output of all
1182         symbol_refs.
1183         (output_deferred_plabels): Use symbol_ref instead of name for address
1184         output.
1185         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1186         ASM_OUTPUT_SYMBOL_REF): New macros.
1187         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1188         comment.
1189         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1190         label.
1191
1192 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1193
1194         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1195         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1196
1197 2005-03-04  Jeff Law  <law@redhat.com>
1198
1199         * basic-block.h (rediscover_loops_after_threading): Declare.
1200         * tree-ssa-dom.c: Include cfgloop.h.
1201         (tree_ssa_dominator_optimize): Discover loops and some basic
1202         properties.  Remove forwarder blocks recreated by loop header
1203         canonicalization.  Also mark backedges in the CFG.
1204         * tree-ssa-threadupdate.c: Include cfgloop.h
1205         (rediscover_loops_after_threading): Define.
1206         (struct local_info): New field, JUMP_THREADED.
1207         (prune_undesirable_thread_requests): New function.
1208         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1209         then record that fact for the callers of redirct_edges.
1210         (thread_block): If BB has incoming backedges, then call
1211         prune_undesirable_thraed_requests.    Note when we are
1212         going to have to rediscover loop information.  Return a
1213         boolean indicating if any jumps were threaded.
1214         (thread_through_all_blocks): Bubble up boolean indicating
1215         if any jumps were threaded.
1216         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1217         (tree-ssa-threadupdate.o): Similarly.
1218
1219 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1220
1221         * fold-const.c (fold_ternary): Unroll the "for" loop to
1222         extract operands.
1223
1224 2005-03-04  Andrew Haley  <aph@redhat.com>
1225
1226         * unwind-dw2-fde-glibc.c (struct
1227         unw_eh_callback_data.check_cache): New field.
1228         (frame_hdr_cache): New.
1229         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1230         Cache frame header info.
1231
1232 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1233
1234         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1235         (print_c_condition): Declare.
1236         * read-rtl.c (ptr_loc): New structure.
1237         (ptr_locs, ptr_loc_obstack, joined_conditions)
1238         (joined_conditions_obstack): New variables.
1239         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1240         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1241         (join_c_conditions, print_c_condition): New functions.
1242         (apply_macro_to_string): Associate the new string with the same
1243         source location as the old one.
1244         (add_condition_to_string): Use join_c_conditions.
1245         (read_string): Use set_rtx_ptr_loc to record a filename and line
1246         number for the string.
1247         (read_rtx): Initialize the new variables above.
1248         * genattrtab.c (write_test_expr, write_attr_value): Use
1249         print_c_condition.
1250         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1251         comment above the GCC_VERSION check.
1252         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1253         Inline the definition of MAYBE_EVAL.
1254         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1255         * genoutput.c (process_template): Likewise.
1256         * genpreds.c (write_predicate_subfunction): Likewise.
1257         (write_predicate_expr): Use print_c_condition.
1258         * genrecog.c (write_cond): Likewise.
1259         * gensupport.c (process_rtx): Use join_c_conditions to join the
1260         conditions of a define_insn_and_split.  Record a source location
1261         for the string after the "&&".
1262         (alter_test_for_insn): Use join_c_conditions.
1263
1264 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1265
1266         Revert for now:
1267         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1268         PR tree-optimization/15784
1269         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1270         and -1 - A to ~A.
1271
1272 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1273
1274         * gcc.c (option_map): Add --coverage.
1275         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1276         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1277         * config/darwin.h: Pass -lgcov for `coverage'.
1278         * doc/invoke.texi (Debugging Options): Document --coverage.
1279
1280 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1281
1282         * gcse.c (bypass_block): Use find_edge wherever possible.
1283
1284 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1285
1286         Fix PR debug/20253
1287
1288         * c-opts.c (c_common_parse_file): Call start_source_file
1289         and end_source_file at the approriate times.
1290
1291         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1292         the main file, it will be done for us now.
1293
1294 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1295
1296         * fold-const.c (fold_ternary): New.
1297         (fold): Call fold_ternary on ternary expressions.  Remove
1298         handling of ternary expressions.
1299
1300 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1301
1302         PR tree-optimization/15784
1303         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1304         and -1 - A to ~A.
1305
1306 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1307
1308         * config/rs6000/predicates.md (branch_comparison_operator):
1309         Convert from C block to conditional format.
1310
1311 2005-03-03  Jan Hubicka  <jh@suse.cz>
1312
1313         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1314         and non-constant public variables.
1315
1316 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1317
1318         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1319         with LABEL_EXPR.
1320
1321         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1322         EDGE_I.
1323
1324         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1325         calls to release_ssa_name and release_phi_node.
1326
1327         * fold-const.c (fold): Remove handling of unary expressions.
1328
1329         * fold-const.c (fold_unary): Avoid directly using the original
1330         expression t as much as possible.
1331
1332 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1333             Andrew Pinski  <pinskia@physics.uc.edu>
1334
1335         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1336         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1337
1338 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1339
1340         Describe special registers SRP and MOF as allocatable registers.
1341         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1342         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1343         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1344         TARGET_HAS_MUL_INSNS.
1345         (cris_print_operand) <case 'd'>: New case.
1346         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1347         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1348         define.
1349         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1350         (REG_ALLOC_ORDER): Update for MOF.
1351         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1352         SPECIAL_REGS.
1353         (GENERAL_REGS): No longer a define of ALL_REGS.
1354         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1355         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1356         Adjust accordingly.
1357         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1358         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1359         (SECONDARY_RELOAD_CLASS): Define.
1360         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1361         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1362         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1363         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1364         (REGISTER_MOVE_COST): Define.
1365         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1366         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1367         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1368         (CRIS_MOF_REGNUM): New define_constants.
1369         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1370         special registers.
1371         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1372         New patterns.
1373         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1374         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1375         Adjust for MOF being properly described as a register.
1376         (indir_to_reg_split): Name this split.  Conditionalize on the
1377         destination register being a general register.
1378         (movei): Conditionalize on on operands 0 and 1 having the same
1379         register class.
1380
1381 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1382
1383         PR target/20277
1384         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1385         -mcpu to override any other explicitly given flags.
1386
1387 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1388
1389         * recog.c (verify_changes, confirm_change_group): New functions,
1390         broken out of apply_change_group.
1391         (apply_change_group): Use them.
1392         * recog.h (verify_change, confirm_change_group): Declare.
1393         * rtl.h (redirect_jump_2): Declare.
1394         * jump.c (redirect_exp, invert_exp): Delete.
1395         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1396         (redirect_jump_2): New function, broken out of redirect_jump.
1397         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1398         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1399         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1400
1401 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1402
1403         * varasm.c (named_section): Use xstrdup rather than doing it by
1404         hand.
1405
1406         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1407
1408 2005-03-02  Devang Patel  <dpatel@apple.com>
1409
1410         Undo PR tree-optimization/18815 fix.
1411
1412 2005-03-02  Devang Patel  <dpatel@apple.com>
1413
1414         PR tree-optimization/18815
1415         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1416         loops with zero exit edges.
1417
1418 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1419
1420         * cfg.c (connect_src, connect_dest, disconnect_src,
1421         disconnct_dest): New.
1422         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1423         redirect_edge_pred): Use the new functions.
1424
1425         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1426         free_dominance_info only when needed.
1427
1428 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1429
1430         PR target/20276
1431         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1432         (reg_or_sub_cint64_operand): Same.
1433
1434 2005-03-02  Jeff Law  <law@redhat.com>
1435
1436         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1437         CFG_ALTERED in the main DOM iteration loop.
1438
1439 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1440
1441         PR c++/19916
1442         * varasm.c (initializer_constant_valid_p): Allow conversions
1443         between OFFSET_TYPEs.  Tidy.
1444
1445 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1446
1447         * config/cris/cris.md ("return"): Remove epilogue delay list
1448         sanity check.
1449
1450 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1451
1452         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1453         for Thumb.
1454         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1455
1456 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1457
1458         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1459         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1460         config/m68k/m68k.c, config/mips/mips.h,
1461         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1462         doc/include/gcc-common.texi: Update copyright.
1463
1464         PR middle-end/18029 and PR middle-end/18030
1465         * expr.c (optimize_bitfield_assignment_op): Add a special case
1466         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1467
1468         * fold-const.c (fold_unary): New.
1469         (fold): Call fold_unary on unary expressions.
1470
1471 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1472
1473         * cgraph.h (struct cgraph_edge): Add prev_caller and
1474         prev_callee fields.
1475         (cgraph_node_remove_callees): Export.
1476         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1477         and prev_callee.
1478         (cgraph_edge_remove_callee): New function.
1479         (cgraph_edge_remove_caller): Likewise.
1480         (cgraph_remove_edge): Use.
1481         (cgraph_redirect_edge_callee): Likewise.
1482         (cgraph_node_remove_callees): New function.
1483         (cgraph_node_remove_callers): Likewise.
1484         (cgraph_remove_node): Use.
1485         * tree-optimize.c (tree_rest_of_compilation): Use
1486         cgraph_node_remove_callees instead of manual loop.
1487         * cgraphunit.c (cgraph_finalize_function): Likewise.
1488         (cgraph_expand_function): Likewise.
1489         (cgraph_remove_unreachable_nodes): Likewise.
1490
1491 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1492
1493         PR c/8927
1494         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1495         argument.
1496         * c-decl.c (undeclared_variable): Take location as argument.
1497         * c-typeck.c (build_external_ref): Likewise.
1498         * c-parser.c (c_parser_postfix_expression): Pass location of
1499         identifier to build_external_ref.
1500
1501 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1502
1503         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1504         CCEQ mode for branch_positive_comparison_operator test.
1505         * config/rs6000/predicates (branch_comparison_operator): Revert to
1506         define_predicate.
1507         (scc_comparison_operator): Same.
1508         (branch_positive_comparison_operator): Same.
1509
1510 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1511
1512         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1513         (cris_delay_slots_for_epilogue): Remove.
1514         (save_last): Move into cris_target_asm_function_epilogue.
1515         (cris_target_asm_function_epilogue): Remove tests for file being
1516         NULL.
1517         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1518         (cris_delay_slots_for_epilogue): Remove prototypes.
1519         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1520         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1521
1522 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1523
1524         * config/rs6000/predicates.md (branch_comparison_operator): Change
1525         to define_special_predicate.
1526         (scc_comparison_operator): Same.
1527         (branch_positive_comparison_operator): Same.
1528
1529 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1530
1531         * Makefile.in (tree-ssa-sink.o): New.
1532         (OBJS-common): Add tree-ssa-sink.o.
1533         * common.opt: Add -ftree-sink
1534         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1535         * timevar.def (TV_TREE_SINK): new timevar.
1536         * tree-flow.h (is_hidden_global_store): Prototype.
1537         * tree-optimize.c (init_tree_optimization_passes): Add
1538         pass_sink_code.
1539         * tree-pass.h (pass_sink_code): New.
1540         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1541         for non-obvious global store store to is_hidden_global_store, and
1542         call that new function.
1543         * tree-ssa-sink.c: New file.
1544         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1545         * doc/passes.texi: Document forward store motion.
1546         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1547         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1548         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1549         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1550
1551 2005-03-01  Per Bothner  <per@bothner.com>
1552
1553         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1554         and we have a non-zero column-number, add it to the message.
1555         Also factor out the diagnostic_kind_text.
1556
1557 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1558
1559         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1560         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1561         flow_loop_scan): Removed.
1562         (flow_loop_dump): Do not dump removed fields.
1563         (flow_loop_free): Do not free removed fields.
1564         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1565         (loop_exit_edge_p): New function.
1566         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1567         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1568         num_exits, exits_doms.
1569         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1570         LOOP_EDGES, LOOP_ALL): Removed.
1571         (flow_loop_scan): Declaration removed.
1572         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1573         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1574         flow_loops_find.
1575         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1576         (if_convert): Call flow_loops_find and flow_loops_free
1577         when calling mark_loop_exit_edges.
1578         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1579         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1580         free_dominance_info calls.
1581         * loop-init.c (flow_loops_find): Ditto.
1582         * passes.c (rest_of_handle_branch_prob): Ditto.
1583         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1584         * loop-unroll.c (analyze_insns_in_loop): Do not use
1585         EDGE_LOOP_EXIT.
1586         * predict.c (predict_loops): Do not call flow_loop_scan.
1587         Use get_loop_exit_edges.
1588         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1589         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1590         Do not use EDGE_LOOP_EXIT.
1591         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1592         to bb_with_exit_edge_p.
1593         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1594         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1595         to bb_with_exit_edge_p.
1596         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1597         EDGE_LOOP_EXIT.
1598         * tree-loop-linear.c (linear_transform_loops): Do not call
1599         flow_loop_scan.  Use loop->single_exit.
1600         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1601         (vect_analyze_loop_form): Do not call flow_loop_scan.
1602         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1603         loop->single_exit.
1604         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1605         loop->single_exit.
1606         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1607         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1608         slpeel_tree_duplicate_loop_to_edge_cfg,
1609         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1610         Use loop_preheader_edge and loop->single_exit.  Do not call
1611         flow_loop_scan.
1612
1613 2005-03-01  Nick Clifton  <nickc@redhat.com>
1614
1615         * config/arm/arm.c (thumb_find_work_register): Check all of the
1616         argument registers to see if they are free, and a couple of
1617         special cases where the last argument register but can be proved
1618         to be available during the function's prologue.
1619         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1620         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1621         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1622         register bit-mask.
1623         (thumb_compute_save_reg_mask): Likewise.  Also use
1624         thumb_find_work_register() to ensure that there is agreement about
1625         which work register is going to be used in the prologue.
1626         (thumb_output_function_prologue): Use unsigned long as the type
1627         for the register bit-mask.  Also delay pushing the link register if
1628         other high registers are going to be pushed.
1629         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1630         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1631         redundant prototypes.
1632
1633 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1634
1635         PR target/19819
1636         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1637         and after reload in REG+REG indexed addresses without REG_POINTER
1638         set in the base and not set in the index.
1639
1640 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1641
1642         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1643         Don't undefine here.
1644         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1645         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1646         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1647         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1648         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1649         Delete.
1650         * config.gcc (sh*-*-linux*): Use config/linux.h.
1651
1652 2005-02-28  Dale Johannesen  <dalej@apple.com>
1653             Stan Shebs  <shebs@apple.com>
1654
1655         Rewrite of 64-bit Darwin structure-by-value pass/return.
1656         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1657         intoffset, use_stack, named.
1658         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1659         (rs6000_darwin64_record_arg_advance_flush):  New.
1660         (rs6000_darwin64_record_arg_advance_recurse): New.
1661         (rs6000_darwin64_record_arg_flush):  New.
1662         (rs6000_darwin64_record_arg_recurse):  New.
1663         (rs6000_darwin64_record_arg):  New.
1664         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1665         (function_arg_boundary):  Handle 128-bit aligned structs.
1666         (function_arg_advance):  Rewrite darwin64 struct handling.
1667         (function_arg):  Call rs6000_darwin64_record_arg.
1668         (function_arg_partial_nregs):  Handle darwin64 structs.
1669         (rs6000_darwin64_function_value):  Remove.
1670         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1671
1672 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1673
1674         PR tree-optimization/20216
1675         * tree-chrec.c (tree_fold_factorial): Delete.
1676         (tree_fold_binomial): Change argument list to take a return type
1677         and change the type of K to unsigned int.  Rewrite to avoid explicit
1678         evaluation of factorials, and (recursively) calling fold to perform
1679         compile-time arithmetic.  Return NULL on (internal) overflow.
1680         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1681         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1682         if any intermediate calculation overflows.
1683         (chrec_apply): Update call to chrec_evaluate.
1684
1685 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1686
1687         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1688
1689 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1690
1691         PR c/20245
1692         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1693         instead of NULL_TREE on error.
1694
1695 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1696
1697         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1698         (EASY_VECTOR_15_ADD_SELF): Remove.
1699         (num_insns_constant_wide): Not static.
1700         (validate_condition_mode): Not static.
1701         (toc_relative_expr_p): Not static.
1702         (legitimate_indirect_address_p): Not static.
1703         (macho_lo_sum_memory_operand): Not static.
1704         (invalid_e500_subreg): Not static.
1705         (easy_vector_same): Not static.
1706         (easy_vector_splat_const): Not static.
1707         (RS6000_SYMBOL_REF_TLS_P): Remove.
1708         (any_operand): Delete.
1709         (any_parallel_operand): Delete.
1710         (count_register_operand): Delete.
1711         (altivec_register_operand): Delete.
1712         (xer_operand): Delete.
1713         (s8bit_cint_operand): Delete.
1714         (short_cint_operand): Delete.
1715         (u_short_cint_operand): Delete.
1716         (non_short_cint_operand): Delete.
1717         (exact_log2_cint_operand): Delete.
1718         (gpc_reg_operand): Delete.
1719         (cc_reg_operand): Delete.
1720         (cc_reg_not_cr0_operand): Delete.
1721         (reg_or_short_operand): Delete.
1722         (reg_or_neg_short_operand): Delete.
1723         (reg_or_aligned_short_operand): Delete.
1724         (reg_or_u_short_operand): Delete.
1725         (reg_or_cint_operand): Delete.
1726         (reg_or_arith_cint_operand): Delete.
1727         (reg_or_add_cint64_operand): Delete.
1728         (reg_or_sub_cint64_operand): Delete.
1729         (reg_or_logical_cint_operand): Delete.
1730         (got_operand): Delete.
1731         (got_no_const_operand): Delete.
1732         (easy_fp_constant): Delete.
1733         (easy_vector_constant): Delete.
1734         (easy_vector_constant_add_self): Delete.
1735         (zero_constant): Delete.
1736         (zero_fp_constant): Delete.
1737         (volatile_mem_operand): Delete.
1738         (offsettable_mem_operand): Delete.
1739         (mem_or_easy_const_operand): Delete.
1740         (add_operand): Delete.
1741         (non_add_cint_operand): Delete.
1742         (logical_operand): Delete.
1743         (non_logical_cint_operand): Delete.
1744         (mask_operand): Delete.
1745         (mask_operand_wrap): Delete.
1746         (mask64_operand): Delete.
1747         (mask64_2_operand): Delete.
1748         (and64_operand): Delete.
1749         (and64_2_operand): Delete.
1750         (and_operand): Delete.
1751         (reg_or_mem_operand): Delete.
1752         (lwa_operand): Delete.
1753         (symbol_ref_operand): Delete.
1754         (call_operand): Delete.
1755         (current_file_function_operand): Delete.
1756         (input_operand): Delete.
1757         (rs6000_nonimmediate_operand): Delete.
1758         (rs6000_tls_symbol_ref): Delete.
1759         (save_world_operation): Delete.
1760         (restore_world_operation): Delete.
1761         (load_multiple_operation): Delete.
1762         (store_multiple_operation): Delete.
1763         (vrsave_operation): Delete.
1764         (mfcr_operation): Delete.
1765         (mtcrf_operation): Delete.
1766         (lmw_operation): Delete.
1767         (stmw_operation): Delete.
1768         (branch_comparison_operator): Delete.
1769         (branch_positive_comparison_operator): Delete.
1770         (scc_comparison_operator): Delete.
1771         (trap_comparison_operator): Delete.
1772         (boolean_operator): Delete.
1773         (boolean_or_operator): Delete.
1774         (min_max_operator): Delete.
1775         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1776         (EASY_VECTOR_15): Moved to here.
1777         (EASY_VECTOR_15_ADD_SELF): Move to here.
1778         (PREDICATE_CODES): Delete.
1779         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1780         Declare functions no longer static.
1781         * config/rs6000/predicates.md: New.
1782         * config/rs6000/rs6000.md: Include predicates.md
1783
1784 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1785
1786         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1787         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1788         REG_ALWAYS_RETURN.
1789         * cfgrtl.c (need_fake_edge_p): Likewise.
1790         * combine.c (distribute_notes): Likewise.
1791         * emit-rtl.c (try_split): Likewise.
1792         * recog.c (peephole2_opimize): Likewise.
1793         * reg-notes.def (ALWAYS_RETURN): Remove.
1794         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1795         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1796         * tree.h (ECF_ALWAYS_RETURN): Remove.
1797
1798 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1799
1800         PR middle-end/19874
1801         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1802         between different machine modes is never a "useless" conversion.
1803
1804 2005-02-28  Geert Bosch  <bosch@gnat.com>
1805
1806         PR ada/15977
1807         * doc/contrib.texi: List contributors for Ada front end
1808
1809 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1810
1811         * simplify-rtx.c (simplify_unary_operation_1,
1812         simplify_const_unary_operation): New, extracted from...
1813         (simplify_unary_operation): ... this one.
1814         (simplify_binary_operation_1,
1815         simplify_const_binary_operation): New, extracted from...
1816         (simplify_binary_operation): ... this one.
1817         * rtl.h (simplify_const_unary_operation,
1818         simplify_const_binary_operation): Add prototypes.
1819
1820 2005-02-28  Julian Brown  <julian@codesourcery.com>
1821
1822         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1823         building libjava and caused PR regression/20228.
1824
1825 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1826
1827         PR bootstrap/17383
1828         * Makefile.in (host_subdir): New.
1829         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1830         * configure: Regenerate.
1831
1832 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1833
1834         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1835         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1836         installation directory first.
1837
1838 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1839
1840         PR target/19065.
1841         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1842         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1843         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1844         * config/cris/cris.md: Tweak comments referring to Q.
1845         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1846         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1847         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1848         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1849         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1850         Insert spaces in constraints to align alternatives vertically for
1851         readability.
1852         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1853         operand 1: "M".
1854
1855 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1856
1857         PR rtl-optimization/17728
1858         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1859         operand 0 from general_operand to move_dest_operand.
1860
1861 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1862
1863         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1864         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1865         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1866         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1867
1868 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1869
1870         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1871         * configure: Regenerate.
1872         * libada-mk.in: Remove CC; rename
1873         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1874
1875 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1876
1877         PR tree-opt/20188
1878         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1879         for the lhs, also walk over the tree.  Likewise for rhs.
1880
1881 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1882
1883         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1884         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1885         Do not propagate value of iv before increment over the increment.
1886
1887 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1888
1889         * c-parser.c: New file.
1890         * c-parse.in: Remove.
1891         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1892         Remove.
1893         (c-parser.o): Add dependencies.
1894         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1895         maintainer-clean, TAGS): Update.
1896         * c-config-lang.in (gtfiles): Update.
1897         * gengtype-lex.l: Don't handle "@@".
1898         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1899         objc_build_synchronized, objc_begin_try_stmt,
1900         objc_begin_catch_clause, objc_finish_catch_clause,
1901         objc_build_finally_clause, objc_finish_try_stmt): New.
1902         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1903         type_seen_p.
1904         (c_parse_init): Update comment.
1905         * c-decl.c (c_init_decl_processing): Update comment.
1906         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1907         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1908         new c_declspecs members.
1909
1910 2005-02-25  Julian Brown  <julian@codesourcery.com>
1911
1912         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1913         from being used for symbols with vague linkage when
1914         HAVE_GAS_COMDAT_GROUP is true.
1915
1916 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1917
1918         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1919
1920 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1921
1922         PR target/19930
1923         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1924         (LIBGCC2_HAS_DF_MODE): New.
1925         (LIBGCC2_HAS_XF_MODE): New.
1926         (LIBGCC2_HAS_TF_MODE): New.
1927         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1928         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1929         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1930         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1931         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1932         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1933         and add _fixtfdi, _fixunstfdi, _floatditf
1934         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1935         L_fixunstfdi, L_floatditf.
1936         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1937         (LIBGCC2_HAS_TF_MODE): Define.
1938
1939 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1940
1941         PR tree-optimization/20204
1942         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1943         REWRITE_THIS_STMT markers on PHI nodes.
1944         (rewrite_initialize_block): Likewise.
1945
1946 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1947
1948         * version.c (version_string): Update to 4.1.
1949
1950 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1951
1952         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1953         Clarify that the alternative way doesn't work in GNU C++.
1954
1955 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1956
1957         PR tree-optimization/19937
1958         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1959         to the type of the induction variable.
1960
1961 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1962
1963         PR rtl-optimization/20117
1964         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1965         the block including noncopyable insn.
1966
1967 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1968
1969         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1970         calls to find_reg_note.
1971
1972 2005-02-24  Richard Henderson  <rth@redhat.com>
1973
1974         PR tree-opt/20127
1975         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1976         the type.
1977
1978 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1979
1980         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1981         vector types if to use base reg for misaligned non-word ld/std.
1982
1983 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1984
1985         PR target/14619
1986         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1987         dwarf2 label manually and put it after, not before the prologue.
1988
1989 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1990
1991         PR target/19019
1992         * reload.c (operands_match_p): Only increment register number for
1993         SCALAR_INT_MODE_P modes in multiple hard registers.
1994
1995         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1996         Fix formatting.
1997
1998 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1999
2000         * ChangeLog.5: Fix log message typo(s).
2001         * ChangeLog.7: Likewise.
2002         * ChangeLog.tree-ssa: Likewise.
2003         * cfgexpand.c: Fix comment typo(s).
2004         * conflict.c: Likewise.
2005         * defaults.h: Likewise.
2006         * dwarf2out.c: Likewise.
2007         * gcse.c: Likewise.
2008         * ggc-page.c: Likewise.
2009         * tree-eh.c: Likewise.
2010         * tree-ssa-dom.c: Likewise.
2011
2012 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR target/19019
2015         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2016         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2017         if SHARED is defined.
2018
2019         PR target/20196
2020         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2021         allow splitting only if operands 0 and 3 don't overlap.
2022
2023 2005-02-24  Richard Henderson  <rth@redhat.com>
2024
2025         PR middle-end/19953
2026         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2027         (fold_builtin_1): Call them.
2028         * fold-const.c (fold_complex_mult_parts): Split out from ...
2029         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2030         (fold_complex_div_parts, fold_complex_div): New.
2031         (fold): Use them.
2032         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2033
2034 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2035
2036         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2037         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2038
2039         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2040         (print_node): Likewise.
2041         Print TYPE_SIZES_GIMPLIFIED.
2042
2043 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2044
2045         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2046         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2047         operands as commutative in constraints.
2048
2049 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2050
2051         * tree-into-ssa.c: Re-organize internal functions.
2052
2053 2005-02-24  Richard Henderson  <rth@redhat.com>
2054
2055         PR middle-end/18902
2056         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2057         for c99.
2058         * common.opt (fcx-limited-range): New.
2059         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2060         * toplev.c (flag_complex_method): Initialize to 1.
2061         (process_options): Set flag_complex_method to 0 if
2062         flag_cx_limited_range.
2063         * doc/invoke.texi (-fcx-limited-range): New.
2064
2065 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2066
2067         * cse.c (delete_trivially_dead_insns): Speed up by using
2068         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2069         prev_real_insn.
2070
2071 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2072
2073         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2074         functions when -mid-shared-library is being used.
2075
2076 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2077
2078         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2079         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2080         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2081         * system.h: Poison LINK_LIBGCC_SPECIAL.
2082
2083 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2084
2085         * gengtype.c (note_insn_name): Make 1 element larger.
2086
2087 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2088
2089         PR target/20018
2090         PR rtl-optimization/20097
2091         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2092         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2093
2094 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2095
2096         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2097         * t-aix52 (SHLIB_INSTALL): Same.
2098
2099 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2100
2101         * genpreds.c: Update copyright.
2102
2103 2005-02-23  Michael Beach  <michaelb@ieee.org>
2104
2105         PR target/20159
2106         * config/sparc/t-elf (startup files): Assemble with CPP.
2107
2108 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2109
2110         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2111         (write_predicate_expr): Likewise.
2112
2113 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2114
2115         PR tree-optimization/20100
2116         PR tree-optimization/20115
2117         * tree-optimize.c (init_tree_optimization_passes): Remove
2118         pass_maybe_create_global_var.
2119         * tree-pass.h (pass_maybe_create_global_var): Remove.
2120         * tree-ssa-alias.c (aliases_computed_p): Declare.
2121         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2122         (count_calls_and_maybe_create_global_var): Remove.
2123         (pass_maybe_create_global_var): Remove.
2124         (init_alias_info): Do not declare aliases_computed_p.
2125         (maybe_create_global_var): If the function contains no
2126         call-clobbered variables and a mix of pure/const and regular
2127         function calls, create .GLOBAL_VAR.
2128         Mark all call-clobbered variables for renaming.
2129         (merge_pointed_to_info): Update comment.
2130         (add_pointed_to_var): Likewise.
2131         (is_escape_site): Likewise.
2132         Accept struct alias_info * instead of size_t *.
2133         Update all users.
2134         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2135         as necessary.
2136         * tree-ssa-operands.c (get_call_expr_operands): If
2137         ALIASES_COMPUTED_P is false, do not add call-clobbering
2138         operands.
2139         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2140         (delete_tree_ssa): Likewise.
2141
2142 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2143
2144         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2145         (do_compile): Do call it here.
2146
2147 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2148
2149         PR rtl-optimization/20017.
2150         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2151         rest_of_handle_cse2, rest_of_handle_gcse): Call
2152         delete_dead_jumptables immediately before calling cleanup_cfg.
2153
2154 2005-02-22  Devang Patel  <dpatel@apple.com>
2155
2156         PR 19952
2157         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2158         all labels
2159
2160 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2161
2162         * config/rs6000/aix.h (WINT_TYPE): Define.
2163
2164 2005-02-22  Stan Shebs  <shebs@apple.com>
2165
2166         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2167         natural alignment for 64-bit Darwin.
2168         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2169         on 64-bit Darwin.
2170         * doc/invoke.texi: Document this.
2171
2172 2005-02-22  DJ Delorie  <dj@redhat.com>
2173
2174         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2175         to make_[un]signed_type, not the mode itself.
2176
2177 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2178
2179         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2180         not available.  Use tail calls wherever possible.
2181         (make_edge): Call unchecked_make_edge to create an edge.
2182
2183         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2184         (coalesce_ssa_name): Don't check for
2185         SSANORM_USE_COALESCE_LIST.
2186         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2187
2188 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2189
2190         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2191         (rewrite_into_ssa): ... here.
2192
2193 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2194
2195         PR tree-optimization/19786
2196         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2197         tag to another's may-alias bitmap when adding to the other's list.
2198
2199 2005-02-21  DJ Delorie  <dj@redhat.com>
2200
2201         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2202         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2203         registers in unsupported ways.
2204         * expmed.c (init_expmed): Likewise.
2205
2206 2005-02-21  Stan Cox  <scox@redhat.com>
2207
2208         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2209
2210 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2211
2212         * tree-cfg.c (fold_cond_expr_cond): New.
2213         (make_edges): Call fold_cond_expr_cond.
2214         (find_taken_edge): Accept nothing but INTEGER_CST.
2215         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2216         and 1.
2217         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2218
2219         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2220         that do not belong to any basic block.
2221
2222 2005-02-21  Jeff Law  <law@redhat.com>
2223
2224         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2225         e->dest.
2226
2227 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2228
2229         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2230         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2231         Adjust their definitions.
2232         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2233         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2234
2235         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2236         genautomata.c, langhooks.c, langhooks.h, system.h,
2237         config/arm/lib1funcs.asm: Update copyright.
2238
2239 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2240
2241         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2242
2243 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2244
2245         PR bootstrap/13770
2246         * doc/install.texi: Document --with-gc.
2247
2248 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2249
2250         * simplify-rtx.c (simplify_unary_operation): Add a missing
2251         "break" statement.
2252
2253 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2254
2255         PR tree-optimization/18663
2256         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2257         if the type has variable bounds.
2258
2259 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2260
2261         * gcse.c: Remove an obsolete comment.
2262
2263         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2264
2265 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2266
2267         * doc/extend.texi (Function Attributes) <Attribute const>: The
2268         attribute "pure" is below this text, not above.
2269
2270 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2271
2272         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2273         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2274         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2275
2276 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2277
2278         PR 18785
2279         * langhooks.h (struct lang_hooks): Add to_target_charset.
2280         * langhooks.c (lhd_to_target_charset): New function.
2281         * langhooks-def.h: Declare lhd_to_target_charset.
2282         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2283         (LANG_HOOKS_INITIALIZER): Update.
2284         * c-common.c (c_common_to_target_charset): New function.
2285         * c-common.h: Declare it.
2286         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2287         c_common_to_target_charset.
2288
2289         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2290         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2291         Delete definitions.
2292         * system.h: Poison them.
2293         * doc/tm.texi: Don't discuss them.
2294         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2295         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2296         (pp_c_char): Do not attempt to generate letter escapes for
2297         newline, tab, etc.
2298         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2299         * config/mips/mips.c (mips_output_ascii): Likewise.
2300
2301 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2302
2303         PR tree-optimization/19951
2304         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2305         is abnormal.
2306
2307 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2308
2309         PR middle-end/19698
2310         * function.h (struct function): New field `max_loop_depth'.
2311         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2312         (flow_loops_find): Reset the max loop depth count before finding loops.
2313         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2314         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2315         (calculate_global_regs_live): Make sure the loop will terminate
2316         when the initial sets are not empty.
2317
2318 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2319
2320         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2321         object inside.
2322         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2323
2324 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2325
2326         PR other/19525
2327         * doc/invoke.texi: Remove documentation of %M spec.
2328         * gcc.c: Likewise.
2329         (init_spec): Remove %M suffix from -lgcc_s.
2330         (do_spec_1): Remove 'M' case.
2331         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2332         to put shared libraries in the multilib directory.  Remove the
2333         shlib_so_soname substitution variable.  Don't add a multilib encoding
2334         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2335         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2336         SHLIB_INSTALL as well as SHLIB_LINK.
2337         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2338         (SHLIB_NAME): Delete.
2339         (SHLIB_DIR): New macro.
2340         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2341         (SHLIB_INSTALL): Adjust accordingly.
2342         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2343         * config/t-slibgcc-sld: Likewise.
2344         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2345         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2346         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2347         in $(SHLIB_DIR).
2348         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2349         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2350         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2351         Use @shlib_base_name@ instead of @shlib_so_name@.
2352         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2353         and @shlib_base_name@.so in @multilib_dir@.
2354         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2355         to the install path.
2356         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2357         (SHLIB_LINK): Remove previous workaround.
2358         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2359         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2360         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2361         the install path.
2362         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2363         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2364         (SHLIB_INSTALL): Adjust accordingly.
2365         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2366         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2367         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2368         config/t-slibgcc-elf-ver.
2369
2370 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2371             Jakub Jelinek  <jakub@redhat.com>
2372
2373         PR tree-optimization/19828
2374         * tree-ssa-loop-im.c: Add a TODO comment.
2375         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2376         without side-effects.
2377
2378 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2379
2380         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2381         call fold_convert.
2382
2383 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2384
2385         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2386         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2387         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2388         functions.
2389         (ia64_reorg): Delete fixup_errata call.
2390         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2391         (TARGET_SWITCHES): Delete -mb-step entry.
2392
2393 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2394
2395         PR c/20043
2396         * c-typeck.c (composite_type): Handle quals in transparent unions.
2397         (type_lists_compatible_p): Likewise.
2398
2399 2005-02-18  Stan Shebs  <shebs@apple.com>
2400
2401         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2402         expressions in the .literal8 section.
2403
2404 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2405
2406         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2407
2408 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2409
2410         * fold-const.c (constant_boolean_node): Always create values of the
2411         specified type, don't bother calling truthvalue_conversion.
2412
2413 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2414
2415         * except.c (output_function_exception_table): Call
2416         assemble_external_libcall (eh_personality_libfunc).
2417
2418 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2419
2420         PR target/19886
2421         * config/ia64/ia64.h (struct machine_function): Add state_num.
2422         * config/ia64/ia64.c (process_epilogue,
2423         process_for_unwind_directive): Use new unwind state numbers each
2424         time rather than state 1.
2425
2426 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2427
2428         PR target/20054
2429         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2430         before the "*llgt_didi" pattern.
2431
2432 2005-02-18  Jason Merrill  <jason@redhat.com>
2433
2434         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2435
2436 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2437
2438         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2439         (div0): Use it in place of ARM_FUNC_ALIAS.
2440         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2441
2442 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2443
2444         PR middle-end/20030
2445         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2446         access, the lower bound of the array type if it exists.
2447
2448 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2449
2450         PR c++/20008
2451         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2452         cases that are out-of-range for the index type.
2453
2454 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2455
2456         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2457         (estimate_case_costs): Don't call convert.
2458         * expmed.c (expand_shift): Likewise.
2459         (make_tree): Call fold_convert instead of convert.
2460
2461 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR c++/19813
2464         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2465         that ref to be marked MEM_READONLY_P doesn't have base that needs
2466         constructing.
2467
2468 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2469
2470         * genautomata.c (output_get_cpu_unit_code_func,
2471         output_cpu_unit_reservation_p): Don't generate old-style function
2472         definitions.
2473
2474 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR c++/20023
2477         PR tree-optimization/20009
2478         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2479
2480         PR tree-optimization/18947
2481         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2482         inline, remove all nodes that are inlined into the extern inline
2483         being redefined.
2484
2485 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2486
2487         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2488         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2489         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2490         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2491         Update copyright.
2492
2493 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2494
2495         PR tree-optimization/19917
2496         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2497         to be potentially trapping.
2498
2499 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2500
2501         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2502
2503 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2504
2505         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2506         tem becomes a local variable which is set to the value of the
2507         back end defined INITIAL_FRAME_ADDRESS macro.
2508         (expand_builtin_frame_address): Omit the base parameter to
2509         expand_builtin_return_addr.
2510         (expand_builtin_profile_func): Likewise.
2511         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2512         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2513         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2514
2515 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2516
2517         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2518         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2519         * config/frv/frv.c (frv_function_epilogue): Likewise.
2520
2521 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2522
2523         * lambda-code (perfect_nestify): Remove mark/unmark
2524         for rewriting hack.
2525         * tree-loop-linear.c (linear_transform_loops): Add
2526         rewrite_into_ssa call so that ssa is correct for
2527         rewriting into loop closed.
2528
2529 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2530
2531         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2532         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2533         BITMAP_FREE.
2534         * bt-load.c (btr_def_live_range, combine_btr_defs,
2535         migrate_btr_def, migrate_btr_defs): Likewise.
2536         * cfgcleanup.c (thread_jump): Likewise.
2537         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2538         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2539         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2540         df_rd_local_compute, df_reg_info_compute): Likewise.
2541         * dominance.c (init_dom_info, free_dom_info): Likewise.
2542         * flow.c (init_propagate_block_info,
2543         free_propagate_block_info): Likewise.
2544         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2545         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2546         modify_reg_pav): Likewise.
2547         * loop-invariant.c (find_defs, find_invariant_insn,
2548         find_invariants, free_inv_motion_data): Likewise.
2549         * predict.c (tree_predict_by_opcode,
2550         estimate_bb_frequencies): Likewise.
2551         * stmt.c (expand_case): Likewise.
2552         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2553         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2554         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2555         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2556         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2557         rewrite_ssa_into_ssa): Likewise.
2558         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2559         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2560         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2561         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2562         * tree-sra.c (tree_sra): Likewise.
2563         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2564         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2565         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2566         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2567         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2568         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2569         Likewise.
2570         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2571         calculate_live_on_entry, calculate_live_on_exit,
2572         build_tree_conflict_graph): Likewise.
2573         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2574         record_important_candidates, set_use_iv_cost, find_depends,
2575         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2576         tree_ssa_iv_optimize_finalize): Likewise.
2577         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2578         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2579         tree_duplicate_loop_to_header_edge): Likewise.
2580         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2581         * tree-ssa.c (verify_flow_insensitive_alias_info,
2582         verify_name_tags, verify_ssa, init_tree_ssa,
2583         delete_tree_ssa): Likewise.
2584         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2585         fini_ssanames): Likewise.
2586         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2587
2588 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2589
2590         * config/rs6000/t-rtems: Completely reworked.
2591
2592 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2593
2594         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2595
2596 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2597
2598         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2599         POINTER_TYPE_P when checking that type is a pointer.
2600         (vect_get_memtag): Remove.
2601         (vect_address_analysis): Use POINTER_TYPE_P. Call
2602         vect_object_analysis with dummy parameter for memtag.
2603         (vect_object_analysis): Extract memtag (functionality that
2604         used to be in vect_get_memtag and moved here). Fix printings.
2605         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2606         with correct parameters. Remove call to vect_get_memtag.
2607
2608 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2609
2610         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2611         (tree-vectorizer.o): Added missing dependencies.
2612
2613         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2614         decleration.
2615         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2616         declaration in tree-vectorizer.c, now has an extern declaration in
2617         tree-vectorizer.h).
2618         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2619         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2620         get_vectype_for_scalar_type, vect_is_simple_use,
2621         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2622         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2623         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2624         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2625         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2626         find_loop_location): Likewise.
2627
2628         * tree-vectorizer.c (langhooks.h): #include removed.
2629         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2630         moved to tree-vectorized.h.
2631         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2632         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2633         get_vectype_for_scalar_type, vect_is_simple_use,
2634         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2635         vect_supportable_dr_alignment, new_loop_vec_info,
2636         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2637         vect_set_verbosity_level, find_loop_location): Likewise.
2638
2639         (vect_analyze_loop): Function externalized. Declaration moved to
2640         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2641         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2642         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2643         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2644         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2645         vect_enhance_data_refs_alignment, vect_analyze_operations,
2646         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2647         vect_stmt_relevant_p, vect_get_loop_niters,
2648         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2649         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2650         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2651         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2652         vect_get_memtag): Likewise.
2653
2654         (vectorizable_load): Function externalized. Declaration moved to
2655         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2656         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2657         vect_transform_loop): Likewise.
2658         (vect_transform_stmt): Moved to tree-vect-transform.c.
2659         (vect_align_data_ref, vect_create_destination_var,
2660         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2661         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2662         vect_get_vec_def_for_operand, vect_init_vector,
2663         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2664         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2665         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2666         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2667         vect_do_peeling_for_loop_bound): Likewise.
2668
2669         * tree-vect-analyze.c: New file.
2670         * tree-vect-transform.c: New file.
2671
2672 2005-02-17  Jason Merrill  <jason@redhat.com>
2673
2674         PR mudflap/19319, c++/19317
2675         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2676         slot explicit.
2677
2678 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2679
2680         * doc/install.texi (Specific): Update link for Darwin-specific
2681         tool binary site.
2682
2683 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2684
2685         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2686         constant_boolean_node.
2687
2688 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2689
2690         PR target/19019
2691         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2692         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2693
2694 2005-02-16  Richard Henderson  <rth@redhat.com>
2695
2696         PR 19920
2697         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2698         with W_TYPE_SIZE.
2699         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2700         replace uses with Wtype_MAXp1_F.
2701         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2702         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2703         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2704         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2705         and HAVE_TFMODE as appropriate.
2706         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2707         (__floatdisf): Likewise.
2708         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2709         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2710         (Wtype_MAXp1_F): New.
2711         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2712         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2713
2714 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2715
2716         * PR target/19162
2717         * arm.c (arm_apply_result_size): New function.
2718         * arm.h (APPLY_RESULT_SIZE): Define.
2719         * arm-protos.h (arm_apply_result_size): Add prototype.
2720         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2721         (movxf): New expand.
2722         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2723         (call_value_symbol): Remove predicate for operand 0.
2724         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2725         (untyped_call): Rework to correclty return values for any type.
2726         (untyped_return): New expand.
2727         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2728
2729 2005-02-16  Stan Shebs  <shebs@apple.com>
2730
2731         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2732         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2733
2734 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2735
2736         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2737         configure settings on Solaris 7 and later.
2738
2739 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2740
2741         PR tree-optimization/19865
2742         * tree-optimize.c (init_tree_optimization_passes): Run
2743         pass_may_alias after pass_sra.
2744
2745 2005-02-16  Richard Henderson  <rth@redhat.com>
2746             Stuart Hastings  <stuart@apple.com>
2747
2748         PR debug/19521
2749         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2750         Do nothing if debug info suppressed for this function.
2751         (dbxout_begin_function): Early exit if debug info suppressed for
2752         this function.
2753
2754 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2755
2756         PR target/20007
2757         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2758         find_basic_blocks.
2759         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2760
2761         PR tree-optimization/19967
2762         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2763         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2764         argument TYPE.  Adjust calls to fold_builtin_XXX.
2765         (expand_builtin, fold_builtin_1): Adjust calls to
2766         expand_builtin_XXX.
2767         (fold_builtin_strchr, fold_builtin_strpbrk,
2768         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2769         result to a requested type TYPE.
2770
2771 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR middle-end/19857
2774         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2775         (T)x & (T)cst if (T)cst overflows.
2776         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2777         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2778
2779 2005-02-15  Jeff Law  <law@redhat.com>
2780
2781         * gcse.c (blocks_with_calls): New bitmap.
2782         (alloc_gcse_mem): Allocate it.
2783         (free_gcse_mem): Free it.
2784         (clear_modifY_mem_tables): Clear it.
2785         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2786         when we encounter CALL_INSNs.
2787         (compute_transp, case MEM): Handle blocks with calls separate
2788         from blocks without calls.  Use bitmap iterators rather than
2789         FOR_EACH_BB.
2790
2791 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2792
2793         PR bootstrap/18810
2794         * mklibgcc.in (vis_hide): Use a temporary object file, not
2795         -o /dev/null.
2796
2797 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2798
2799         PR target/19924
2800         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2801         access optimization.
2802
2803 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2804             Alan Modra  <amodra@bigpond.net.au>
2805
2806         PR target/19019
2807         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2808         (_xlqsub): Rename to __gcc_qsub.
2809         (_xlqmul): Rename to __gcc_qmul.
2810         (_xlqdiv): Rename to __gcc_qdiv.
2811         Provide versioned symbol aliases with old names.
2812         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2813         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2814         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2815         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2816         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2817
2818 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2819
2820         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2821         Fold ~(A - 1) and ~(A + -1) to -A.
2822
2823 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2824
2825         PR pch/14940
2826         PR target/19300
2827         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2828         config/pa/pa-host.c:pa_gt_pch_use_address.
2829
2830 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2831
2832         * tree-vn.c (get_value_handle): Make sure that given an
2833         is_gimple_min_invariant expression, we always return it.
2834
2835 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2836
2837         * passes.c (rest_of_handle_gcse): Fix a comment.
2838
2839 2005-02-15  Jeff Law  <law@redhat.com>
2840
2841         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2842         bitmap.
2843         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2844         (canon_list_insert, record_last_mem_set_info): Similarly.
2845         (clear_modify_mem_tables): Similarly.
2846
2847 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2848
2849         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2850         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2851         config/mips/mips.md, config/rs6000/aix.h,
2852         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2853
2854 2005-02-15  Richard Henderson  <rth@redhat.com>
2855
2856         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2857         call to be best_edge.
2858
2859 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2860
2861         * basic-block.h: Adjust the prototype for find_basic_blocks.
2862         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2863         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2864         find_basic_blocks.
2865
2866         * flow.c (recompute_reg_usage): Remove all arguments.
2867         * passes.c (rest_of_compilation): Adjust the call to
2868         recompute_reg_usage.
2869         * rtl.h: Adjust the prototype for recompute_reg_usage.
2870
2871 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2872
2873         * tree-dump.c (dump_files): Update to reflect new member
2874         of dump_file_info.
2875         (dump_register): Add new argument.
2876         Set glob name.
2877         (dump_switch_p_1): Check against glob name if doglob was passed.
2878         (dump_switch_p): Check against regular first, then glob if
2879         we didn't have any hits on the dump name.
2880         * tree-optimize.c (register_one_dump_file):
2881         Pass in glob name as well.
2882         * tree-pass.h (struct dump_file_info): Add glob
2883         member.
2884
2885 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2886
2887         PR preprocessor/16323
2888         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2889
2890 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2891
2892         PR target/19019
2893         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2894         (trunctfdf2_internal1): New.
2895         (trunctfdf2_internal2): Renamed from trunctfdf2.
2896
2897 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2898
2899         PR tree-optimization/19853
2900         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2901
2902 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2903
2904         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2905         delete_dead_jumptables and cleanup_cfg.
2906
2907 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2908
2909         * reload.c (find_reloads): Swap address_reloaded flags when
2910         swapping commutative operands.
2911
2912 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2913
2914         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2915         Use standard_iv_increment_position for computing the bsi position
2916         for create_iv.
2917         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2918         the bsi position.
2919
2920 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2921
2922         PR target/17428
2923         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2924         life range of hard registers.
2925         * value-prof.c (insn_prefetch_values_to_profile): Only
2926         scan normal insns.
2927
2928         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2929         profile in libcalls.
2930
2931 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2932
2933         * bitmap.h (bitmap_and_compl_into): Return bool.
2934         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2935
2936 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2937
2938         PR tree-optimization/19944
2939         * fold-const.c (fold): Re-add ABS_EXPR folding.
2940
2941 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2942
2943         PR target/19019
2944         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2945         {TARGET,MASK}_XL_COMPAT.
2946         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2947         MASK_XL_COMPAT.
2948         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2949         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2950         TARGET_XL_COMPAT.
2951         (rs6000_arg_partial_bytes): Same.
2952         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2953         and XL compatibility enabled.
2954         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2955         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2956         test to final condition.
2957         (cmptf_internal2): New.
2958         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2959         xl-compat.  Add TFmode information to description.
2960
2961 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2962
2963         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2964
2965 2005-02-13  Jason Merrill  <jason@redhat.com>
2966
2967         PR c++/16405
2968         * fold-const.c (fold_indirect_ref_1): Split out from...
2969         (build_fold_indirect_ref): Here.
2970         (fold_indirect_ref): New fn.
2971         * tree.h: Declare it.
2972         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2973         (gimplify_modify_expr_rhs): Likewise.
2974         (gimplify_expr): Likewise.
2975
2976 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2977
2978         PR tree-optimization/14303
2979         PR tree-optimization/15784
2980         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2981         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2982         ABS_EXPR<x> != 0 to x != 0.
2983
2984 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2985
2986         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2987         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2988         spelling conventions.
2989
2990         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2991         delete_trivially_dead_insns too many times.
2992
2993         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2994         tem and tem2.
2995
2996 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2997
2998         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2999         (vect_is_simple_iv_evolution): Remove redundant parameter
3000         and step check.
3001         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3002         without last parameter.
3003         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3004         Return pointer step. Call vect_is_simple_iv_evolution without
3005         last parameter. Check only that the step is multiple of size
3006         type. Remove stmt_vinfo updates.
3007         (vect_get_memtag_and_dr): Remove.
3008         (vect_get_memtag): New function.
3009         (vect_address_analysis): New function.
3010         (vect_object_analysis): New function.
3011         (vect_analyze_data_refs): Call vect_object_analysis and
3012         vect_get_memtag. Update stmt_vinfo fields.
3013
3014 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3015
3016         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3017         exist and are objects. Remove checks for pointer.
3018         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3019         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3020         (vect_create_data_ref_ptr): Likewise.
3021         (vect_base_addr_differ_p): New function.
3022         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3023         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3024         Don't set the DR_BASE_NAME field of data-ref.
3025         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3026
3027 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3028
3029         * optabs.h (enum optab_index): Add new OTI_ldexp.
3030         (ldexp_optab): Define corresponding macro.
3031         * optabs.c (init_optabs): Initialize ldexp_optab.
3032         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3033         patterns.
3034         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3035         using ldexp_optab.
3036         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3037         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3038
3039         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3040         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3041         intrinsics.
3042
3043 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3044
3045         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3046         to base_address.
3047         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3048         stmt_vec_info.
3049         (vect_get_base_and_offset): Always return an address.
3050         (vect_create_addr_base_for_vector_ref): Remove treatment for
3051         different data reference types.
3052         (vect_compute_data_ref_alignment): Rename base to base_address in
3053         stmt_vec_info. Get the object in order to force its alignment.
3054         (vect_get_memtag_and_dr): Rename base to base_address in
3055         stmt_vec_info. Extract the object for memtag analysis.
3056
3057 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3058
3059         PR regression/19898.
3060         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3061         changes cc_status, use apply modified_in_p to part of cc_status
3062         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3063         body.
3064
3065 2005-02-11  Richard Henderson  <rth@redhat.com>
3066
3067         * tree-complex.c (expand_complex_libcall): New.
3068         (expand_complex_multiplication): Use it for c99 compliance.
3069         (expand_complex_division): Likewise.
3070         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3071         (fold): Call them.
3072         * builtins.c (built_in_names): Remove const.
3073         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3074         builtins.
3075         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3076         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3077         (built_in_names): Remove const.
3078         * c-common.c (c_common_type_for_mode): Handle complex modes.
3079         * flags.h, toplev.c (flag_complex_method): Rename from
3080         flag_complex_divide_method.
3081         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3082         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3083         * libgcc2.h: Declare them.
3084         * libgcc-std.ver: Export them.
3085         * mklibgcc.in (lib2funcs): Build them.
3086
3087 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3088
3089         PR tree-optimization/19876
3090         Partially revert my change from 2005-01-14
3091         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3092         (compute_antic): ...and remove the loop here.
3093
3094 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR middle-end/19858
3097         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3098         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3099
3100         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3101         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3102
3103 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3104
3105         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3106         offsets for the big-endian 32-bit case.
3107
3108 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3109
3110         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3111
3112 2005-02-11  Dale Johannesen  <dalej@apple.com>
3113
3114         * cselib.c (cselib_process_insn):  Clear out regs where
3115         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3116         * reload.c (find_equiv_reg): Ditto.
3117
3118 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3119
3120         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3121         with no elements.
3122
3123         * tree.c (build_function_type_list): Work correctly if there are
3124         no arguments.
3125
3126 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3127
3128         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3129         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3130         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3131         TARGET_ZARCH instead of TARGET_64BIT.
3132
3133 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3134
3135         * config/rs6000/t-rtems:
3136         (MULTILIB_OPTIONS): Remove mcpu=602.
3137         (MUTLILIB_DIRNAMES): Remove m602.
3138         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3139         Let mcpu=602 match mcpu=603.
3140         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3141
3142 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3143
3144         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3145         signal trampolines.
3146
3147 2005-02-10  David Daney  <ddaney@avtrex.com>
3148
3149         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3150         * config/i386/linux-unwind.h: Likewise.
3151         * config/ia64/linux-unwind.h: Likewise.
3152         * config/mips/linux-unwind.h: Likewise.
3153         * config/pa/linux-unwind.h: Likewise.
3154         * config/rs6000/linux-unwind.h: Likewise.
3155         * config/s390/linux-unwind.h: Likewise.
3156         * config/sh/linux-unwind.h: Likewise.
3157         * config/sparc/linux-unwind.h: Likewise.
3158
3159 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3160
3161         PR tree-optimization/17549
3162         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3163         TER to replace a DEF with its expression if the DEF and the
3164         rhs of the expression we replace into have the same root
3165         variable.
3166
3167 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3168
3169         * config/mips/mips.md: Fix the placement of the match_scratch in the
3170         lea64 peephole2.
3171
3172 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3173
3174         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3175         Fix comment typos.
3176
3177 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3178
3179         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3180         (strip_offset): Handle addresses.
3181         (add_address_candidates): Use strip_offset.
3182         (difference_cost): Reflect strip_offset change.
3183         (force_var_cost, difference_cost): Strip nops.
3184
3185 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3186
3187         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3188
3189         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3190         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3191         config/cris/cris-protos.h, config/cris/cris.c: Update
3192         copyright.
3193
3194 2005-02-10  Jeff Law  <law@redhat.com>
3195
3196         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3197         (lookup_avail_expr): Similarly.
3198
3199 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3200
3201         * builtins.c (fold_builtin_powi): New function.
3202         (fold_builtin_1): Call it.
3203
3204 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3205
3206         PR documentation/19309
3207         * doc/cpp.texi: The __GNUC__ and related predefined macros
3208         are also defined for the "standalone" cpp.
3209         Some non-GCC compilers may also define __GNUC__.
3210
3211 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3212
3213         PR c/19342
3214         * c-typeck.c (common_type): New routine.  Old common_type renamed
3215         to...
3216         (c_common_type): ...this.
3217         (build_conditional_expr, build_binary_op): Use c_common_type instead
3218         of common_type.
3219
3220 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3221
3222         * doc/md.texi: Replace @samp{length} with @code{length}.
3223
3224 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3225
3226         PR tree-optimization/18687
3227         * tree-flow.h (find_loop_niter): Declare.
3228         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3229         Try using scev even for loops with more than one exit.
3230         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3231         (struct ivopts_data): Added niters field.
3232         (struct nfe_cache_elt): New.
3233         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3234         functions.
3235         (tree_ssa_iv_optimize_init): Initialize niters cache.
3236         (determine_number_of_iterations): Removed.
3237         (find_induction_variables): Do not call determine_number_of_iterations.
3238         Access niters for single exit through niter_for_single_dom_exit.
3239         (add_iv_outer_candidates): Access niters for single exit through
3240         niter_for_single_dom_exit.
3241         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3242         number_of_iterations_cond.
3243         (iv_period): New function.
3244         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3245         (may_replace_final_value): Take data argument.  Use
3246         niter_for_single_dom_exit.
3247         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3248         (rewrite_use_compare): Pass data to may_eliminate_iv.
3249         (rewrite_use_outer): Pass data to may_replace_final_value.
3250         (free_loop_data): Clean up the niters cache.
3251         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3252         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3253         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3254         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3255         (num_ending_zeros): Moved to tree.c.
3256         * tree.h (num_ending_zeros): Declare.
3257         * tree.c (num_ending_zeros): Moved from tree.c.
3258
3259 2005-02-09  Richard Henderson  <rth@redhat.com>
3260
3261         * builtins.c (DEF_BUILTIN): Add COND argument.
3262         * tree.h (DEF_BUILTIN): Likewise.
3263         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3264         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3265         match.
3266         (DEF_BUILTIN_STUB): New.
3267         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3268         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3269         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3270         * c-common.c (DEF_BUILTIN): Add COND argument.
3271         * tree.c (local_define_builtin): New.
3272         (build_common_builtin_nodes): New.
3273
3274 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3275
3276         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3277         floating point expression ignoring the sign of the result.
3278         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3279         (fold) <MULT_EXPR>: Use it to simplify x*x.
3280         * tree.h (fold_strip_sign_ops): Prototype here.
3281         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3282         argument.  Use fold_strip_sign_ops to simplify the first argument.
3283         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3284         first argument when the second argument is an even integer
3285         constant, but only with -funsafe_math_optimizations.
3286         (fold_builtin_1): Update call to fold_builtin_copysign.
3287
3288 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3289
3290         PR middle-end/19583
3291         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3292         just check whether EH_FILTER_FAILURE falls through.
3293
3294 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3295
3296         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3297         insns return to ready list in the next turn.
3298
3299 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3300
3301         PR middle-end/19402
3302         * builtins.def: New __builtin_powi[lf].
3303         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3304         (expand_builtin_powi): New function.
3305         (expand_builtin): Dispatch to expand_builtin_powi.
3306         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3307         * libgcc2.c: Add __builtin_powi[lf] implementation.
3308         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3309         * optabs.h: Add powi_optab.
3310         * optabs.c (init_optabs): Initialize powi_optab.
3311         * doc/extend.texi: Document __builtin_powi[lf].
3312
3313 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3314
3315         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3316         exists.
3317
3318 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3319
3320         PR middle-end/19854
3321         * fold-const.c (try_move_mult_to_index): Remove redundant
3322         type argument.  Create ADDR_EXPR with correct type.
3323         (fold): Update callers of try_move_mult_to_index.  Convert
3324         result to the appropriate type.
3325
3326 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3327
3328         PR target/19597
3329         * config/avr/avr.c (default_rtx_costs): Delete.
3330         (avr_operand_rtx_cost): New function.
3331         (avr_rtx_costs): Completely rewrite.
3332
3333 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3334
3335         PR target/19806
3336         * config/cris/cris.c (in_code): New variable.
3337         (cris_output_addr_const): Now a static function, a wrapper for
3338         output_addr_const.
3339         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3340         case from old cris_output_addr_const.
3341         (cris_asm_output_label_ref): Similar for LABEL_REF.
3342         (cris_output_addr_const_extra): Similar for UNSPEC.
3343         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3344         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3345         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3346         declaration.
3347         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3348         (cris_asm_output_label_ref): Declare.
3349
3350 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3351
3352         PR preprocessor/19801
3353         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3354         filenames that changed when libcpp was moved to the toplevel.
3355
3356 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3357
3358         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3359         zero extensions of BImode operands.  Call lowpart_subreg instead
3360         of gen_lowpart_common and gen_lowpart_SUBREG.
3361
3362 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3363
3364         PR ada/19489
3365         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3366         * configure.ac: Set cc_for_cross_gnattools.
3367         * configure: Regenerate.
3368
3369 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3370
3371         PR target/19803
3372         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3373
3374 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3375
3376         PR debug/19327
3377         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3378         of nested functions.
3379
3380 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3381
3382         * doc/extend.texi: Document deprecated extensions allowing
3383         static floating-point members to have initializers and allowing
3384         floating-point literals in integral constant expressions.
3385
3386 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3387
3388         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3389         config/darwin7.h, config/mips/mips.c,
3390         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3391         Update copyright.
3392
3393         * cse.c: Update comments.
3394
3395 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3396
3397         PR middle-end/19775
3398         * builtins.c (fold_builtin_sqrt): Transform
3399         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3400         pow(x,y*0.5).
3401
3402 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3403             Dorit Naishlos  <dorit@il.ibm.com>
3404
3405         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3406         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3407         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3408         was added.
3409         * tree.h (vect_set_verbosity_level): New extern function declaration
3410         added.
3411         * tree-vectorizer.h (verbosity_levels): New enum type.
3412         * tree-vectorizer.c (vect_debug_stats): Function removed.
3413         (vect_debug_details): Likewise.
3414         (vect_verbosity_level): Global variable was defined and initialized.
3415         (vect_dump): Global variable definition.
3416         (vect_print_dump_info): New function.
3417         (vect_set_dump_settings): New function.
3418         (vect_set_verbosity_level): New function.
3419         (vectorize_loops): Add call to vect_set_dump_settings.
3420
3421         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3422         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3423         (slpeel_tree_peel_loop_to_edge): Likewise.
3424
3425         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3426         appropriate verbosity level instead of call to vect_debug_details
3427         or vect_debug_stats.
3428         (vect_get_base_and_offset):
3429         (vect_create_addr_base_for_vector_ref):
3430         (get_vectype_for_scalar_type):
3431         (vect_create_data_ref_ptr):
3432         (vect_init_vector):
3433         (vect_get_vec_def_for_operand):
3434         (vect_finish_stmt_generation):
3435         (vectorizable_assignment):
3436         (vectorizable_operation):
3437         (vectorizable_store):
3438         (vectorizable_load):
3439         (vect_transform_stmt):
3440         (vect_update_ivs_after_vectorizer):
3441         (vect_do_peeling_for_loop_bound):
3442         (vect_update_inits_of_drs):
3443         (vect_do_peeling_for_alignment):
3444         (vect_transform_loop):
3445         (vect_is_simple_use):
3446         (vect_analyze_operations):
3447         (vect_is_simple_iv_evolution):
3448         (vect_analyze_scalar_cycles):
3449         (vect_analyze_data_ref_dependence):
3450         (vect_analyze_data_ref_dependences):
3451         (vect_compute_data_ref_alignment):
3452         (vect_enhance_data_refs_alignment):
3453         (vect_analyze_data_refs_alignment):
3454         (vect_analyze_data_ref_access):
3455         (vect_analyze_data_ref_accesses):
3456         (vect_analyze_pointer_ref_access):
3457         (vect_get_memtag_and_dr):
3458         (vect_analyze_data_refs):
3459         (vect_mark_relevant):
3460         (vect_stmt_relevant_p):
3461         (vect_mark_stmts_to_be_vectorized):
3462         (vect_can_advance_ivs_p):
3463         (vect_get_loop_niters):
3464         (vect_analyze_loop_form):
3465         (vect_analyze_loop):
3466         (vectorize_loops): Likewise.
3467
3468         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3469         (vect_update_inits_of_drs):
3470         (vect_do_peeling_for_alignment):
3471         (vect_transform_loop):
3472         (vect_analyze_operations):
3473         (vect_analyze_scalar_cycles):
3474         (vect_analyze_data_ref_dependences):
3475         (vect_analyze_data_refs_alignment):
3476         (vect_analyze_data_ref_accesses):
3477         (vect_analyze_data_refs):
3478         (vect_mark_stmts_to_be_vectorized):
3479         (vect_get_loop_niters):
3480         (vect_analyze_loop_form):
3481         (vect_analyze_loop): Likewise.
3482         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3483
3484 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3485
3486         PR bootstrap/19796
3487         Revert:
3488         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3489         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3490         either -ffast-math or -funsafe-math-optimizations is in use.
3491
3492         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3493         * config/mips/irix-csr.c: New file.
3494         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3495         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3496         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3497         executables.
3498
3499 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3500
3501         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3502         redundant, incorrect definitions.
3503
3504         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3505         expand.
3506         ("*tls_indirect_call"): New, reference hard regs directly.
3507         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3508
3509 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3510
3511         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3512         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3513
3514 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3515
3516         PR rtl-optimization/19800
3517         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3518         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3519         gen_lowpart.
3520
3521 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3522
3523         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3524
3525 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3526
3527         PR other/17135
3528         * doc/invoke.texi: Correct documentation of -freorder-functions.
3529
3530 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3531
3532         PR other/14402
3533         * doc/invoke.texi: Don't mention gccbug.
3534
3535 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3536             Andrew Pinski  <pinskia@physics.uc.edu>
3537             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3538
3539         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3540         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3541         into just (zero_extract:SI FOO (const_int 1) BAR).
3542
3543 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3544
3545         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3546         macro locally.  Don't give last revision date.  Use GCC version
3547         number from gcc-common.texi.
3548         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3549         revision date.  Use GCC version number from gcc-common.texi.
3550         Describe being a library as current state rather than as 3.x
3551         history.
3552         * doc/gcc.texi: Remove last update date.
3553         * doc/gccint.texi: Likewise.  Update copyright dates.
3554         * doc/install.texi: Update copyright dates.
3555
3556 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3557
3558         PR other/7549
3559         * doc/invoke.texi: Mention for each option included in -Wall that
3560         it is included in -Wall.
3561         * doc/gcc.texi: Update copyright and last modification date.
3562
3563 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3564
3565         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3566         unnecessary cast to original induction variable increments.
3567
3568 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3569
3570         PR tree-optimization/18219
3571         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3572         in distributed form.
3573
3574 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3575
3576         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3577         Set bitpos and offset later in the function.  Do nothing if the
3578         target is a register and if the bitfield lies completely outside
3579         that register.
3580         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3581         here.  Return an uninitialised register if the source value is stored
3582         in a register and the bitfield lies completely outside that register.
3583
3584 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3585
3586         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3587         not SET_DEST.
3588
3589 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3590
3591         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3592
3593 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3594
3595         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3596         * config/darwin8.h: New.
3597         * config/darwin7.h: Update comment.
3598
3599 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3600             Dorit Naishlos  <dorit@il.ibm.com>
3601
3602         * tree-vectorizer.h (LOC): New type.
3603         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3604         (loop_line_number): New field in struct _loop_vec_info.
3605         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3606
3607         * tree-vectorizer.c (input.h): Included.
3608         (find_loop_location): New function.
3609         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3610         loop line number removed.
3611         (vect_debug_details): Likewise.
3612         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3613
3614         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3615         call to vect_debug_details/stats changed from loop to loop_loc.
3616         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3617         (slpeel_tree_peel_loop_to_edge): Likewise.
3618
3619         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3620         changed from NULL to UNKNOWN_LOC.
3621         (vect_get_base_and_offset):
3622         (vect_create_addr_base_for_vector_ref):
3623         (get_vectype_for_scalar_type):
3624         (vect_create_data_ref_ptr):
3625         (vect_init_vector):
3626         (vect_get_vec_def_for_operand):
3627         (vect_finish_stmt_generation):
3628         (vectorizable_assignment):
3629         (vectorizable_operation):
3630         (vectorizable_store):
3631         (vectorizable_load):
3632         (vect_transform_stmt):
3633         (vect_update_ivs_after_vectorizer):
3634         (vect_do_peeling_for_loop_bound):
3635         (vect_do_peeling_for_alignment):
3636         (vect_transform_loop):
3637         (vect_is_simple_use):
3638         (vect_analyze_operations):
3639         (vect_is_simple_iv_evolution):
3640         (vect_analyze_scalar_cycles):
3641         (vect_analyze_data_ref_dependences):
3642         (vect_compute_data_ref_alignment):
3643         (vect_enhance_data_refs_alignment):
3644         (vect_analyze_data_ref_access):
3645         (vect_analyze_data_ref_accesses):
3646         (vect_analyze_pointer_ref_access):
3647         (vect_get_memtag_and_dr):
3648         (vect_analyze_data_refs):
3649         (vect_mark_relevant):
3650         (vect_stmt_relevant_p):
3651         (vect_mark_stmts_to_be_vectorized):
3652         (vect_can_advance_ivs_p):
3653         (vect_get_loop_niters):
3654         (vect_analyze_loop):
3655         (vectorize_loops): Likewise.
3656
3657         (vectorizable_load): Argument in call to vect_debug_details/stats
3658         changed from loop to LOOP_LOC (loop_vinfo).
3659         (vect_transform_loop):
3660         (vect_analyze_operations):
3661         (vect_analyze_scalar_cycles):
3662         (vect_analyze_data_ref_dependence):
3663         (vect_enhance_data_refs_alignment):
3664         (vect_analyze_data_ref_accesses):
3665         (vect_analyze_pointer_ref_access):
3666         (vect_analyze_data_refs):
3667         (vect_analyze_loop): Likewise.
3668
3669         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3670         changed from loop to loop_loc.
3671
3672         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3673
3674 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3675             Dorit Naishlos  <dorit@il.ibm.com>
3676
3677         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3678         declaration added.
3679         (vect_analyze_data_ref_dependences): Likewise.
3680
3681         (vect_is_simple_use): Argument changed from loop structure to
3682         loop_vect_info structure.
3683         (vect_can_advance_ivs_p): Likewise.
3684         (vect_create_index_for_vector_ref): Likewise.
3685         (vect_update_ivs_after_vectorizer): Likewise.
3686         (new_stmt_vec_info): Likewise.
3687
3688         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3689         changed from loop to loop_vinfo.
3690         (vect_create_data_ref_ptr): First argument in call to
3691         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3692         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3693         was changed from loop to loop_vinfo.
3694         (vectorizable_operation): Likewise.
3695         (vectorizable_store): Likewise.
3696         (vect_mark_stmts_to_be_vectorized): Likewise.
3697         (vect_do_peeling_for_loop_bound): First argument in call to
3698         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3699         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3700         was changed from loop to loop_vinfo.
3701         (vect_analyze_data_ref_dependences): Third argument in call to
3702         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3703
3704         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3705         (vect_create_data_ref_ptr): Likewise.
3706         (vect_init_vector): Likewise.
3707         (vect_get_vec_def_for_operand): Likewise.
3708         (vectorizable_assignment): Likewise.
3709         (vectorizable_operation): Likewise.
3710         (vectorizable_store): Likewise.
3711         (vectorizable_load): Likewise.
3712         (vect_update_ivs_after_vectorizer): Likewise.
3713         (vect_is_simple_use): Likewise.
3714         (vect_analyze_data_ref_dependence): Likewise.
3715         (vect_analyze_pointer_ref_access): Likewise.
3716         (vect_can_advance_ivs_p): Likewise.
3717
3718         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3719         before _stmt_vec_info.
3720         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3721         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3722         (new_stmt_vec_info): Argument changed from loop structure to
3723         loop_vect_info structure
3724
3725         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3726         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3727         (vect_create_addr_base_for_vector_ref): Likewise.
3728         (vect_analyze_pointer_ref_access): Likewise.
3729
3730 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3731
3732         PR tree-opt/19768
3733         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3734         phi flag if the phi is abnormal.
3735
3736 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3737
3738         PR tree-opt/19736
3739         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3740         information for the new statement.
3741
3742 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3743
3744         PR driver/19117
3745         * gcc.c (main): Include the target in -v output.
3746
3747 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3748
3749         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3750         Do not drop the extend if we'd have to add a paradoxical subreg
3751         later.  Include optabs.h and insn-codes.h.
3752         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3753
3754 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3755
3756         PR middle-end/19405
3757         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3758         * fold-const.c (const_binop): Avoid constant folding floating
3759         point operations in modes that use composite representations.
3760         * simplify-rtx.c (simplify_binary_operation): Likewise.
3761
3762 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3763
3764         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3765         a REG, not a MEM.
3766         (altivec_dstt): Likewise.
3767         (altivec_dstst): Likewise.
3768         (altivec_dststt): Likewise.
3769         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3770         of first operand.
3771
3772 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3773
3774         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3775         EXPR_LOCUS from orig_cond to the new cond_stmt.
3776         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3777         the new vec_stmt.
3778
3779 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3780
3781         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3782         standard_iv_increment_position. Remove call to bsi_next
3783         (no need to bump the iterator anymore).
3784         (vect_create_index_for_vector_ref): Call
3785         standard_iv_increment_position. Remove second function argument.
3786         (vect_finish_stmt_generation): Remove call to bsi_next
3787         (no need to bump the iterator anymore).
3788         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3789         to vect_create_index_for_vector_ref.
3790
3791 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3792
3793         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3794         phis are used out of the loop.
3795
3796 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3797
3798         PR c/17807
3799         * c-decl.c (undef_nested_function): New variable.
3800         (pop_scope): Diagnose undefined nested functions.
3801         (finish_function): Don't attempt cgraph processing or genericizing
3802         if current top-level function contained an undefined nested
3803         function.  Reset undef_nested_function at the end of a top-level
3804         function.
3805
3806 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3807
3808         * tree.c (build_int_cst_type): Take sign of the value into account
3809         when deciding whether sign extend the value.
3810
3811 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3812
3813         PR c/18502
3814         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3815         (cpp_options, cc1_options): Change %{std*&ansi} to
3816         %{std*&ansi&trigraphs}.
3817
3818 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3819
3820         * cse.c: Update comments.
3821
3822 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3823
3824         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3825         arguments go on the stack.  Do not put complex doubles in odd/even
3826         pairs.
3827
3828 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3829
3830         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3831         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3832         -ftree-pre, and -fthread-jumps.
3833
3834 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3835
3836         PR tree-optimization/19578
3837         * tree-flow.h (modified_noreturn_calls): Declare.
3838         (noreturn_call_p): Declare.
3839         * tree-flow-inline.h (noreturn_call_p): New function.
3840         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3841         * tree-cfg.c (modified_noreturn_calls): New variable.
3842         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3843         that contain a mid-block noreturn call.
3844         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3845
3846 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3847
3848         * df.c (df_def_record_1, df_uses_record): Don't use
3849         DF_FOR_REGALLOC.
3850         * df.h (DF_FOR_REGALLOC): Remove.
3851
3852 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3853
3854         PR c/19435
3855         * c-typeck.c (really_start_incremental_init): Reset
3856         constructor_max_index for arrays of incomplete type.
3857
3858 2005-02-02  Jeff Law  <law@redhat.com>
3859
3860         * gcse.c (struct reg_set): Store the block index where the register
3861         was set rather than the setting insn.
3862         (record_one_set, compute_transp): Corresponding changes.
3863         (pre_insert_copy_insn): Do not call replace_one_set.
3864         (replace_one_set): Remove.
3865
3866 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3867
3868         PR other/15514
3869         * doc/gcov.texi: Fix typo.
3870
3871 2005-02-01  Richard Henderson  <rth@redhat.com
3872
3873         PR target/19680
3874         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3875         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3876         type to bool.
3877         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3878         * config/i386/i386-protos.h: Update.
3879
3880 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3881
3882         PR tree-optimization/19217
3883         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3884         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3885         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3886         that it is walking a PHI node.
3887
3888 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3889
3890         * doc/extend.texi (Nested Functions): Update.
3891
3892 2005-02-01  Richard Henderson  <rth@redhat.com>
3893
3894         PR 19696
3895         * optabs.c (expand_copysign_absneg): Export.
3896         * optabs.h (expand_copysign_absneg): Declare.
3897         * config/rs6000/rs6000.md (copysigntf3): New.
3898
3899 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3900
3901         PR tree-optimization/19633
3902         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3903         * tree-ssa-alias.c (init_alias_info): Initialize.
3904         (merge_pointed_to_info): Set.
3905         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3906         (dump_points_to_info_for): Show value of pt_null.
3907         (struct count_ptr_d): Declare.
3908         (find_ptr_dereference): Remove.
3909         (ptr_is_dereferenced_by): Remove.
3910         (count_ptr_derefs): New local function.
3911         (count_uses_and_derefs): New local function.
3912         (compute_points_to_and_addr_escape): Call it.  If the number
3913         of dereferences is greater than zero, mark the pointer as
3914         dereferenced.  If there are fewer dereferences than uses of
3915         the pointer, the pointer's value escapes.
3916
3917 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3918
3919         PR tree-optimization/19670
3920         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3921         here...
3922         (verify_use): ... set it here, instead.
3923
3924 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3925
3926         * doc/sourcebuild.texi (Test directives): Fix formatting.
3927
3928         * doc/sourcebuild.texi (Test directives): Describe selector
3929         expressions.
3930
3931 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3932
3933         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3934         specific 64-bit CPUs.
3935
3936 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3937
3938         PR target/16201
3939         * arm.c (arm_eliminable_register): New function.
3940         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3941         HOST_WIDE_INT for address offsets.
3942         * arm-protos.h (arm_eliminable_register): Add prototype.
3943
3944 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3945
3946         PR optimization/15242
3947         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3948         * basic-block.h (duplicate_computed_gotos): Add prototype.
3949         * bb-reorder.c (duplicate_computed_gotos): New function to
3950         duplicate sufficiently small blocks ending in a computed jump.
3951         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3952         if not optimizing for size.
3953         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3954         never do tail merging for blocks ending in a computed jump.
3955         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3956
3957 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3958
3959         Patch from Richard Sandiford <rsandifo@redhat.com>
3960         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3961         from inheriting a subreg equivalence with a non-spill register.
3962
3963         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3964
3965 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3966
3967         * config/frv/frv.c (movcc_fp_destination_operand): New.
3968         (gpr_or_memory_operand): Fix typo in comment.
3969         (gpr_or_memory_operand_with_scratch): New.
3970         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3971         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3972         movcc_fp_destination_operand.
3973         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3974         Legitimize memory addresses using a scratch register.
3975
3976 2005-01-31  Jeff Law  <law@redhat.com>
3977
3978         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3979         bitmap a sparse bitmap instead of a simple bitmap.
3980         (mark_def_sites_initialize_block):  Corresponding changes.
3981         (ssa_mark_def_sites_initialize_block): Likewise.
3982         (ssa_mark_phi_uses): Likewise.
3983         (mark_def_site, ssa_mark_def_sites): Likewise.
3984         (mark_def_site_blocks): Likewise.
3985         (rewrite_ssa_into_ssa): Likewise.
3986
3987         * tree-ssa-dom.c (record_cond): Pass correct variable type
3988         for last argument to htab_find_slot_with_hash.
3989
3990         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3991         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3992
3993 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3994
3995         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3996         1_mmalua.
3997
3998 2005-02-01  Eric Christopher  <echristo@redhat.com>
3999
4000         * config/mips/mips.c (override_options): Warn if -mint64
4001         is used.
4002         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4003         deprecated.
4004
4005 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4006
4007         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4008         timestamp.
4009         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4010         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4011         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4012         (cached_regno): Initialize to INVALID_REGNUM.
4013         (cse_reg_info_table_size,
4014         cse_reg_info_table_first_uninitialized,
4015         cse_reg_info_timestamp): New.
4016         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4017         get_cse_reg_info.
4018         (init_cse_reg_info, get_cse_reg_info_1): New.
4019         (get_cse_reg_info): Cache the last look-up.
4020         (new_basic_block): Update the code to clear mappings from
4021         registers to cse_reg_info entries.
4022         (cse_main): Call init_cse_reg_info.
4023
4024         * cse.c (get_cse_reg_info): Update a comment.
4025
4026 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4027
4028         PR c/19333
4029         * c-decl.c (start_decl): Do not warn about arrays of elements with
4030         an incomplete type here.
4031         (grokdeclarator): Do it here by making a pedwarn an error.
4032         * c-typeck.c (push_init_level): If there were previous errors with
4033         the constructor type, do not warn about braces for initializers.
4034         (process_init_element): Likewise for excess initializer elements.
4035
4036 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4037
4038         * cse.c (delete_trivially_dead_insn): Don't iterate.
4039
4040 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4041
4042         * config/rs6000/rs6000.md (copysignsf3): New expand.
4043         (copysigndf3): Likewise.
4044
4045 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4046
4047         * recog.c (constrain_operands): Only look for earlyclobber operand
4048         conflicts if an '&' constraint was seen.
4049
4050 2005-01-31  Marc Espie <espie@openbsd.org>
4051
4052         * config.gcc: Don't include embedded systems fragment, switches default
4053         debugging format to ELF.
4054         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4055         longer pick it up there.
4056
4057 2005-01-31  Dale Johannesen  <dalej@apple.com>
4058
4059         * doc/extend.texi (nested functions): Fix linkage description.
4060         Clarify that static is not allowed.
4061
4062 2005-01-31  Dale Johannesen  <dalej@apple.com>
4063
4064         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4065         (movdf_low_di):  Make work.
4066
4067 2005-01-31  Dale Johannesen  <dalej@apple.com>
4068
4069         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4070         Make work for 64 bit.
4071
4072 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4073             Dale Johannesen  <dalej@apple.com>
4074
4075         PR middle-end/19650
4076         * fold-const.c (fold_binary_op_with_conditional_arg):
4077         Make types match original operands, before STRIP_NOPS.
4078
4079 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4080
4081         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4082         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4083         (struct gcc_sigcontext): Delete.  Merge contents to..
4084         (struct gcc_ucontext): ..here.
4085         (get_sigcontext): Delete.
4086         (get_regs): New function, like get_sigcontext but return regs ptr.
4087         64-bit version finds regs from r1 to support vdso.
4088         (ppc_linux_aux_vector): New function.
4089         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4090         and vector regs.
4091
4092 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4093
4094         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4095         sizetype.
4096         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4097         redundant fold. Fix misalignment for MINUS_EXPR.
4098         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4099         (vect_analyze_pointer_ref_access): Likewise.
4100         (vect_get_memtag_and_dr): Likewise.
4101
4102 2005-01-31  Richard Henderson  <rth@redhat.com>
4103
4104         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4105         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4106         absnegdf2_i387, absnegxf2_i387): Likewise.
4107
4108 2005-01-31  Richard Henderson  <rth@redhat.com>
4109
4110         PR 19696
4111         * optabs.c (expand_copysign_absneg): New.
4112         (expand_copysign_bit): Split out from ...
4113         (expand_copysign): ... here.  Use expand_copysign_absneg.
4114
4115 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4116
4117         PR middle-end/19697
4118         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4119         constant as the second operand and a register as the third.
4120
4121 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4122
4123         PR target/19704
4124         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4125         that dllimport'd functions do not use all call-clobbered registers
4126         to pass parameters.
4127
4128 2005-01-30  Richard Henderson  <rth@redhat.com>
4129
4130         PR 19696
4131         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4132         expand_abs_nojump and generalize.  Use operand_subword and
4133         emit_no_conflict_block.  Support large modes.
4134         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4135         back to maximum.
4136         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4137         negation to subtraction.
4138         (expand_copysign): Check that the format has signed zeros.
4139         Use operand_subword and emit_no_conflict_block.  Support large modes.
4140
4141 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4142
4143         Fix PR tree-optimization/19624
4144
4145         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4146         * tree-ssa-pre.c: Add cfgloop.h.
4147         Update comment.
4148         (pre_stats): New member, constified.
4149         (inserted_exprs): New static variable.
4150         (NECESSARY): New macro.
4151         (create_expression_by_pieces): Fold the expression, and
4152         mark it as defaulting to not necessary. Also put in
4153         inserted_exprs.
4154         (fully_constant_expression): New function.
4155         (insert_into_preds_of_block): Modify to not insert phis when we
4156         are playing with induction variables.
4157         Push phis onto the inserted_exprs vector, and mark them as not
4158         necessary by default.
4159         (insert_aux): Call fully_constant_expression on eprime.
4160         If all edges produce the same value, mark it constant.
4161         (mark_operand_necessary): New function.
4162         (remove_dead_inserted_code): New function.
4163         (init_pre): Init loop optimizer to get loop info.
4164         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4165         (execute_pre): Commit edge inserts, then remove dead code.
4166
4167 2005-01-30  Richard Henderson  <rth@redhat.com>
4168
4169         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4170         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4171
4172 2005-01-30  Richard Henderson  <rth@redhat.com>
4173
4174         PR target/19700
4175         * config/i386/i386.c (ix86_expand_copysign): New.
4176         (ix86_split_copysign_const): New.
4177         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4178         rearrange op1/nmask operands.
4179         * config/i386/i386-protos.h: Update.
4180         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4181         (copysigndf3): Likewise.
4182         (copysignsf3_const, copysigndf3_const): New.
4183         (copysignsf3_var): Rename from copysignsf3, split out splitter
4184         and fix split predicate for X constraint.
4185         (copysigndf3_var): Similarly.
4186
4187 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4188
4189         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4190         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4191         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4192
4193 2005-01-29  Richard Henderson  <rth@redhat.com>
4194
4195         PR target/19690
4196         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4197         of # and * in constraints.
4198
4199 2005-01-29  Richard Henderson  <rth@redhat.com>
4200
4201         PR middle-end/19689
4202         * expr.c (store_field): Don't strip sub-mode cast when the input
4203         data is even smaller.
4204
4205 2005-01-29  Richard Henderson  <rth@redhat.com>
4206
4207         PR middle-end/19687
4208         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4209         union being empty.
4210
4211 2005-01-29  Richard Henderson  <rth@redhat.com>
4212
4213         * combine.c (make_field_assignment): Fix argument order
4214         to gen_int_mode.
4215
4216 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4217
4218         PR tree-optimization/15791
4219         * fold-const.c (extract_array_ref): New function.
4220         (fold): Fold comparisons between &a[i] and &a[j] or
4221         semantically equivalent trees.
4222
4223 2005-01-29  Jeff Law  <law@redhat.com>
4224
4225         * gcse.c (insert_expr_in_table): Revamp handling of available
4226         and anticipatable occurrence lists to avoid unnecessary list
4227         walking.
4228         (insert_set_in_table): Similarly.
4229
4230 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4231
4232         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4233         build string type.
4234         (c_build_qualified_type): Build qualified array types with
4235         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4236         * c-decl.c (c_make_fname_decl): Build unqualified array type
4237         before qualified type.
4238         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4239         type is qualified, not just if type itself is.  Don't apply
4240         qualifiers to array type when declarator is processed.  Apply
4241         qualifiers to field type whether or not it is an array type.
4242         Don't handle array types specially for applying qualifiers to
4243         variables.
4244         * c-typeck.c (composite_type): Build unqualified element type and
4245         array type when forming composite of array types.
4246         (common_pointer_type, comptypes, comp_target_types,
4247         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4248         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4249         types.
4250         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4251         (args2) in variables a1 and a2.
4252
4253 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4254
4255         * cse.c (n_elements_made, max_elements_made): Remove.
4256         (insert): Don't touch n_elements_made.
4257         (cse_main): Don't touch n_elements_made or max_elements_made.
4258
4259 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4260
4261         PR target/15384
4262         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4263         configuration part of dp-bit.c to be lost.
4264
4265 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4266
4267         * expmed.c (expand_mult_highpart_optab): When attempting to use
4268         a non-widening multiplication in a wider mode, the operands need
4269         to be converted (zero or sign extended) to that mode.
4270
4271 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4272
4273         PR middle-end/16558
4274         PR middle-end/19583
4275         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4276         through if both operands fall through.
4277
4278 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4279
4280         * cse.c (fold_rtx) <PC>: Don't optimize.
4281
4282 2005-01-28  Jeff Law  <law@redhat.com>
4283
4284         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4285         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4286
4287 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4288
4289         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4290         cse_reg_info_used_list_end): Remove.
4291         (cse_reg_info_list, cse_reg_info_list_free): New.
4292         (get_cse_reg_info): When allocating an instance of
4293         cse_reg_info, add it to the beginning of the cse_reg_info_list
4294         list.  Remove code to maintain cse_reg_info_used_list.
4295         (new_basic_block): Reset the free list to the beginning of
4296         cse_reg_info_list.
4297
4298 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4299
4300         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4301         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4302         (frv_expand_mdpackh_builtin): New function.
4303         (frv_expand_builtin): Use it to expand __MDPACKH.
4304         * doc/extend.texi (__MDPACKH): Update documentation.
4305
4306 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4307
4308         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4309         SSE_FLOAT_MODE_P for use_sse computation.
4310
4311 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4312
4313         PR target/19663
4314         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4315
4316 2005-01-27  Richard Henderson  <rth@redhat.com>
4317
4318         * builtins.c (expand_builtin_copysign): New.
4319         (expand_builtin): Call it.
4320         * genopinit.c (optabs): Add copysign_optab.
4321         * optabs.c (init_optabs): Initialize it.
4322         (expand_copysign): New.
4323         * optabs.h (OTI_copysign, copysign_optab): New.
4324         (expand_copysign): Declare.
4325
4326         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4327         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4328
4329         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4330         (ix86_expand_fp_absneg_operator): ... here.
4331         (ix86_split_copysign): New.
4332         * config/i386/i386-protos.h: Update.
4333         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4334         (copysignsf3, copysigndf3): New.
4335
4336         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4337         (copysignsf3, ncopysignsf3): New.
4338         (copysigndf3, ncopysigndf3): New.
4339         (copysignxf3, ncopysignxf3): New.
4340         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4341
4342 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4343             Kazu Hirata  <kazu@cs.umass.edu>
4344
4345         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4346         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4347         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4348         NULL_RTX.
4349
4350 2005-01-27  Jeff Law  <law@redhat.com>
4351
4352         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4353         definitions of SSA_NAMEs which are not being rewritten.
4354         (rewrite_ssa_into_ssa): Only initialize the current definition
4355         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4356         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4357         SSA_NAMEs before returning.
4358
4359 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4360
4361         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4362         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4363         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4364         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4365         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4366
4367 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4368
4369         PR middle-end/17278
4370         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4371         higher to -O2 and higher.  Likewise for tree PRE.
4372         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4373         and better.
4374
4375 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4376
4377         PR middle-end/19583
4378         * gimple-low.c (try_catch_may_fallthru): New static function.
4379         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4380         * tree-inline.c (expand_call_inline): Don't warn about reaching
4381         the end of a non-void function being inlined if the function uses
4382         a return slot.
4383
4384 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4385
4386         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4387
4388         PR c/18946
4389         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4390         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4391         (implicitly_declare): Handle error_mark_node.
4392
4393 2005-01-27  Richard Henderson  <rth@redhat.com>
4394
4395         PR tree-opt/14329
4396         * tree.h (struct tree_decl): Add debug_expr_is_from.
4397         (DECL_DEBUG_EXPR_IS_FROM): New.
4398         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4399         * dwarf2out.c (dwarf2out_var_location): Update to match.
4400         * tree-outof-ssa.c (create_temp): Likewise.
4401         * var-tracking.c (track_expr_p): Likewise.
4402         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4403         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4404         * toplev.c (default_tree_printer): Likewise.
4405
4406 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4407
4408         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4409         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4410
4411 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4412
4413         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4414         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4415         ASM_CLOBBERS): Add tree checks.
4416
4417         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4418         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4419         * c-common.def (SWITCH_STMT): Update to match.
4420         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4421         macros instead of SWITCH_EXPR ones.
4422         * c-dump.c (c_dump_tree): Likewise.
4423         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4424         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4425
4426         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4427
4428 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4429
4430         * unwind-dw2.c (execute_stack_op): Add missing cases for
4431         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4432
4433 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4434
4435         * config.gcc (Obsolete configurations): Remove 'dummy', add
4436         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4437         sparc-*-openbsd*.
4438
4439 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4440
4441         PR tree-optimization/19633
4442         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4443         CALL_EXPRs.
4444         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4445         are no call-clobbered variables.
4446         * tree-outof-ssa.c (check_replaceable): Return false for calls
4447         with side-effects.
4448
4449 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4450
4451         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4452         even for variables with NULL DECL_INITIAL.
4453
4454 2005-01-26  Stuart Hastings  <stuart@apple.com>
4455
4456         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4457
4458 2005-01-26  Richard Henderson  <rth@redhat.com>
4459
4460         PR middle-end/18008
4461         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4462         field's type.
4463         * expr.c (store_field): Strip conversions to odd-bit-sized types
4464         if the destination field width matches.
4465
4466 2005-01-26  Richard Henderson  <rth@redhat.com>
4467
4468         * c-decl.c, expmed.c, expr.c: Revert last change.
4469
4470 2005-01-26  Richard Henderson  <rth@redhat.com>
4471
4472         PR middle-end/18008
4473         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4474         field's type.
4475         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4476         if we don't need the bits above those present in the current mode.
4477         * expr.c (store_field): Strip conversions to odd-bit-sized types
4478         if the destination field width matches.
4479
4480 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4481
4482         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4483         either -ffast-math or -funsafe-math-optimizations is in use.
4484
4485 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4486
4487         PR target/19293
4488         PR target/19329
4489         * config/avr/avr.c (notice_update_cc): Only set condition code for
4490         ashrqi3 if shift count > 0.
4491         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4492         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4493         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4494         count <= 0 as a no-op, and shift count >= width by copying zero
4495         or sign bit to all bits of the result.
4496         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4497         count, with attribute "length" set to 0 and "cc" set to "none".
4498
4499 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4500
4501         * doc/invoke.texi: Document -mTLS.
4502
4503         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4504         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4505         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4506         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4507         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4508         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4509         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4510         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4511
4512         * configure.ac: Check for a TLS capable gas.
4513
4514         * configure: Regenerate.
4515
4516 2005-01-26  Richard Henderson  <rth@redhat.com>
4517
4518         PR middle-end/18008
4519         * combine.c (make_field_assignment): Simplify store to zero_extract
4520         from a source with an overlapping mask.
4521
4522 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4523
4524         2004-11-11  Eric Christopher  <echristo@redhat.com>
4525
4526         * config/frv/frv.md: Add fr400_integer automaton. Don't
4527         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4528         to TYPE_MACC.
4529
4530 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4531
4532         PR middle-end/16585
4533         * cfgbuild.c (make_edges): Do not clear or set
4534         current_function_has_computed_jump.
4535         * function.h (struct function): Remove the has_computed_jump field.
4536         (current_function_has_computed_jump): Do not define.
4537         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4538         in a computed jump.  Ignore current_function_has_computed_jump.
4539
4540 2005-01-26  Richard Henderson  <rth@redhat.com>
4541
4542         PR middle-end/19515
4543         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4544         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4545         fully initialized.
4546         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4547         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4548         objects into static storage if they have more than one non-zero value.
4549         * tree.h (categorize_ctor_elements): Update decl.
4550
4551 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4552
4553         PR middle-end/19616
4554         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4555         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4556         to this function from 2004-07-10.
4557         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4558         the current function for tail call optimizations if the address
4559         of one of it its arguments is taken.
4560
4561 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4562
4563         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4564
4565 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4566
4567         * function.c (expand_function_end): If current_function_calls_alloca,
4568         emit stack restore in a place that is reached when the function falls
4569         through at the end.
4570
4571 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4572
4573         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4574         rule to avoid matching inappropriate suffix rule.
4575
4576 2005-01-26  Jan Hubicka  <jh@suse.cz>
4577
4578         PR tree-optimization/19241
4579         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4580
4581 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4582
4583         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4584         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4585         of doubling.
4586         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4587         <sim*>: Always use crt1.o, regardless of N in simN.
4588         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4589         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4590         (CRT_CALL_STATIC_FUNCTION): Remove.
4591         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4592         use crt1.o, regardless of N in simN.
4593         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4594         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4595         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4596         case isystem setting.
4597         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4598
4599 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4600
4601         * gimple-low.c (block_may_fallthru): Correct handling of
4602         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4603
4604 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4605
4606         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4607         handlers to match indentation; nested under the mtune=* handler.
4608         Similar for mcpu= and march=.
4609
4610 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4611
4612         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4613         * config/mips/linux64.h (LIB_SPEC): Likewise.
4614         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4615         * config/sh/linux.h (LIB_SPEC): Likewise.
4616
4617 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4618
4619         * config/frv/frv.c (frv_legitimize_tls_address): New.
4620         (TARGET_HAVE_TLS): Define.
4621         (FRV_SYMBOL_REF_TLS_P): Define.
4622         (frv_override_options): Handle new register classes.
4623         (frv_legitimate_address_p): Reject tls addresses.
4624         (frv_legitimize_address): Handle TLS addresses.
4625         (gen_inlined_tls_plt): New.
4626         (gen_tlsmoff): New.
4627         (frv_legitimize_tls_address): New.
4628         (unspec_got_name): Add TLS entries.
4629         (got12_operand): Add R_FRV_TLSMOFF12 case.
4630         (frv_emit_move): Fixup TLS addresses.
4631         (frv_emit_movsi): Legitimize TLS addresses.
4632
4633         * config/frv/frv.h (MASK_BIG_TLS): New.
4634         (TARGET_BIG_TLS): New.
4635         (HAVE_AS_TLS): Define.
4636         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4637         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4638         (REG_CLASS_NAMES): Same.
4639         (REG_CLASS_CONTENTS): Same.
4640         (CONSTRAINT_LEN): New.
4641         (REG_CLASS_FROM_CONSTRAINT): New.
4642         (PREDICATE_CODES): Add symbolic_operand.
4643
4644         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4645         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4646         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4647         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4648         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4649         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4650         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4651         GR9_REG, GR14_REG, LRREG.
4652         (type): Add load_or_call attribute.
4653         ("load_or_call"): New reservation.
4654         ("call_gettlsoff"): New.
4655         ("tls_indirect_call"): New.
4656         ("tls_load_gottlsoff12"): New.
4657         ("tlsoff_hilo"): New.
4658         ("tls_tlsdesc_ldd"): New.
4659         ("tls_tlsoff_ld"): New.
4660         ("tls_lddi"): New.
4661
4662         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4663
4664         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4665
4666         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4667         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4668         * config/frv/frv.c (TLS_BIAS): Define.
4669         (frv_output_dwarf_dtprel): New.
4670
4671 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4672
4673         PR rtl-optimization/19579
4674         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4675         both A and B, see if they don't clobber registers the other expr uses.
4676
4677 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4678
4679         * real.c (do_add): Initialize signalling and canonical members.
4680
4681         * real.c (real_from_integer): Zero out destination.
4682
4683 2005-01-18  Jan Hubicka  <jh@suse.cz>
4684
4685         PR tree-optimize/19337
4686         * tree-inline.c (initialize_inlined_parameters): Copy
4687         saved_static_chain_decl only.
4688
4689 2005-01-25  Richard Henderson  <rth@redhat.com>
4690
4691         PR target/19556
4692         PR target/19584
4693         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4694         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4695         80387 enabled, to return a proper subclass.  Return the subset that
4696         overlaps with GENERAL_REGS for PLUS.
4697         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4698
4699 2005-01-25  Richard Henderson  <rth@redhat.com>
4700
4701         PR middle-end/19609
4702         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4703
4704 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4705
4706         * expmed.c (choose_multiplier): Change interface to return the
4707         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4708         (expand_divmod): Update calls to choose_multiplier.
4709
4710 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4711
4712         PR middle-end/19330
4713         * expmed.c (extract_bit_field): Use adjust_address instead of
4714         gen_lowpart when op0 is a MEM.
4715
4716 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4717
4718         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4719
4720 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4721
4722         * config/mips/irix-csr.c: New file.
4723         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4724         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4725         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4726         executables.
4727
4728 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4729
4730         PR bootstrap/19364
4731         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4732         sparc/elf.h, add sparc/sp-elf.h.
4733         (sparc-*-rtems*): Likewise.
4734         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4735         tm-dwarf2.h, add sparc/sp-elf.h.
4736         (sparc86x-*-elf): Likewise.
4737         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4738         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4739         TARGET_OS_CPP_BUILTINS.
4740         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4741         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4742         Undefine it.
4743         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4744         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4745         (SWITCH_TAKES_ARG): Likewise.
4746         (LOCAL_LABEL_PREFIX): Likewise.
4747         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4748         (TARGET_N_FORMAT_TYPES): Delete.
4749         (TARGET_FORMAT_TYPES): Likewise.
4750         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4751         * config/sparc/elf.h: Delete.
4752         * config/sparc/sp-elf.h: New file.
4753
4754 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4755
4756         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4757         * tree-flow.h: Remove the corresponding prototype.
4758         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4759         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4760
4761 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4762
4763         PR target/17751
4764         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4765         for AIX ABI or ELF -fPIC.
4766         (rs6000_emit_load_toc_table): Don't create toc_section here.
4767         (rs6000_xcoff_file_start): Nor here.
4768
4769 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4770
4771         * sh.c (ra.h): Don't #include.
4772         (hard_regs_intersect_p): New function, resurrected from ra.c.
4773
4774         * sh.c: Fix 1996 Copyright.
4775
4776 2005-01-24  Richard Henderson  <rth@redhat.com>
4777             Aldy Hernandez  <aldyh@redhat.com>
4778
4779         * regrename.c (note_sets): Handle subregs.
4780
4781 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4782
4783         PR bootstrap/18058
4784         * genconditions.c (write_header, write_conditions): Elide file if
4785         not GCC >= 3.0.1.
4786
4787 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4788
4789         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4790         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4791         Update copyright.
4792
4793 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4794
4795         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4796         expand_builtin_printf, expand_builtin_fprintf,
4797         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4798         checking against POINTER_TYPE.
4799         (validate_arglist): Handle POINTER_TYPE code by checking
4800         POINTER_TYPE_P.
4801
4802 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4803
4804         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4805         init_rtlanal): New.
4806         (for_each_rtx): Call for_each_rtx_1.
4807         * rtl.h (init_rtlanal): Declare.
4808         * toplev.c (backend_init): Call init_rtlanal.
4809
4810 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4811
4812         * flow.c (propagate_one_insn): Formatting.
4813
4814         PR middle-end/19551
4815         * flow.c (libcall_dead_p): Be more conservative if unsure.
4816         If there are any instructions between insn and call, see if they are
4817         all dead before saying the libcall is dead.
4818
4819 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4820
4821         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4822         operand constraint for operand 0.
4823
4824 2005-01-23  Richard Henderson  <rth@redhat.com>
4825
4826         PR 19486
4827         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4828         edges leading to join block.
4829
4830 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4831
4832         * expmed.c (expand_mult_highpart): Make static.  Change type of
4833         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4834         (expand_divmod): Updates calls to expand_mult_highpart by using
4835         gen_int_mode to pass a CONST_INT rtx.
4836         * rtl.h (expand_mult_highpart): Remove prototype.
4837
4838 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4839
4840         * flow.c (regset_bytes, regset_size): Remove.
4841
4842         * cfganal.c: Fix a reference to Harvey's paper.
4843
4844 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4845
4846         PR rtl-optimization/19464
4847         * tree-optimize.c (init_tree_optimization_passes): Add one more
4848         copyrename pass just before out-of-ssa.
4849
4850 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4851
4852         PR bootstrap/18058
4853         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4854         * ggc-none.c (ggc_free): Define.
4855
4856 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4857
4858         * cse.c (max_reg, max_insn_uid): Remove.
4859         (cse_main): Don't access max_reg or max_insn_uid.
4860
4861         * c-common.c (explicit_flag_signed_bitfields,
4862         lang_statement_code_p, lang_expand_function_end): Remove.
4863         * c-common.h: Remove the corresponding declarations.
4864         * c-opts.c (c_common_handle_option): Remove all write access
4865         to explicit_flag_signed_bitfields.
4866
4867         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4868         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4869         * cgraph.h: Remove the corresponding declaration.
4870
4871         * gcse.c (null_pointer_info): Remove.
4872
4873 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4874             Eric Botcazou  <ebotcazou@libertysurf.fr>
4875
4876         * combine.c (simplify_logical): Only simplify logical expressions
4877         of the form ior(and(x,y),z) by the inverse distributive law if the
4878         result is cheaper than the original.
4879
4880 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4881
4882         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4883         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4884         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4885         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4886         config/freebsd-spec.h, config/arm/arm.h,
4887         config/h8300/h8300.md, config/i386/i386.md,
4888         config/i386/predicates.md, config/i386/sse.md,
4889         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4890         config/vax/vax.md: Fix comment typos.  Follow spelling
4891         conventions.
4892
4893 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4894
4895         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4896         tests, instead of `less than'.
4897
4898 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4899
4900         * function.c (assign_parm_setup_block): When creating a new stack slot
4901         for a parameter, get its alignment from the parameter's DECL_ALIGN
4902         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4903         is at least word aligned.
4904
4905 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4906
4907         PR middle-end/19378
4908         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4909
4910 2005-01-22  Richard Henderson  <rth@redhat.com>
4911
4912         PR target/19506
4913         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4914         in both compare operands.
4915         (movdfcc_1_sse_max): Likewise.
4916         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4917         (movdfcc_1_sse): Likewise.
4918         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4919         scratch register as needed.
4920
4921 2005-01-22  Richard Henderson  <rth@redhat.com>
4922
4923         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4924
4925         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4926
4927 2005-01-22  Richard Henderson  <rth@redhat.com>
4928
4929         * genopinit.c (optabs): Use smin/smax for floating point too.
4930         * doc/md.texi: Update to match.  Clarify that floating point
4931         results are undefined for +0/-0 and NaN.
4932         * doc/rtl.texi: Likewise.
4933         * rtl.def (SMIN, SMAX): Likewise
4934         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4935
4936         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4937         leading 's' to the name.
4938         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4939         smaxxf3, sminxf3): Likewise.
4940         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4941         Likewise.
4942
4943 2005-01-22  Paul Brook  <paul@codesourcery.com>
4944
4945         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4946
4947 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4948
4949         * config/s390/s390.c (struct processor_costs): New fields
4950         dlgr, dlr, dr, dsgfr, dsgr.
4951         (z900_cost, z990_cost): Values for new fields.
4952         (s390_rtx_costs): New cases MEM und COMPARE in switch
4953         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4954         DIV, MOD, UDIV, UMOD.
4955
4956 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4957
4958         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4959         into the register being decremented.
4960         ("doloop_si31", "doloop_di"): Likewise.
4961         ("*doloop_si_long"): Adapt pattern.
4962
4963 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4964
4965         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4966         access registers.
4967         (CLASS_MAX_NREGS): Likewise.
4968
4969 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4970
4971         * doc/tree-ssa.texi (Statement Operands): Add example for new
4972         must-def macro. Note deprecation of old operands interface.
4973
4974 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4975
4976         PR tree-optimization/19484
4977         * tree-cfg.c (remove_fallthru_edge): New function.
4978         (cleanup_control_flow): Remove fallthru edges from calls that are
4979         now known not to return.
4980
4981 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4982
4983         Fix PR tree-optimization/19038
4984         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4985         copies with loop variant ones.
4986
4987 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4988
4989         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4990         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4991         config/alpha/alpha.md, config/alpha/predicates.md,
4992         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4993         config/sparc/sol2.h: Update copyright.
4994
4995         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4996         first label to see if it is a nonlocal label.
4997
4998 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4999             Andrew Pinski  <pinskia@physics.uc.edu>
5000
5001         PR target/19491
5002         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5003         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5004
5005 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5006
5007         * config/rs6000/rtems.h: Update copyright.
5008
5009 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5010
5011         PR target/19548
5012         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5013         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5014         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5015
5016 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5017
5018         PR c/18809
5019         * c-typeck.c (convert_arguments): Check for error_mark_node.
5020
5021 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5022
5023         PR tree-optimization/13000
5024         * tree-inline.c: Include "tree-flow.h".
5025         (expand_call_inline): If warn_return_type, warn if non-void inline
5026         function falls through.
5027         * tree-cfg.c (execute_warn_function_return): Don't warn about
5028         control reaching end if TREE_NO_WARNING is set.  Set
5029         TREE_NO_WARNING.
5030         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5031         has been lowered.
5032         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5033         branch if we don't need one.
5034         * c-typeck.c: Include "tree-flow.h"
5035         (c_finish_bc_stmt): Don't add a goto if the current statement
5036         list doesn't fall through to the current point.
5037
5038 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5039
5040         PR rtl-optimization/576
5041         * real.c (real_arithmetic): Change return type from void to bool
5042         to return an indication that the result may be inexact.
5043         * real.h (real_arithmeric): Update prototype.
5044         * fold-const.c (const_binop):  Don't constant fold floating
5045         point expressions when the user specifies -frounding-math and
5046         the result may depend upon the run-time rounding mode.
5047         (fold_convert_const_real_from_real): Clean-up.
5048         (fold_initializer): Ignore flag_rounding_math for initializers.
5049         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5050         constant fold FP operations with flag_rounding_math if the
5051         result may depend upon the run-time rounding mode.
5052
5053 2005-01-21  Tom Tromey  <tromey@redhat.com>
5054
5055         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5056
5057 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5058
5059         * tree-cfg.c: Fix comment typos.
5060
5061 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5062
5063         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5064         around the call to rest_of_handle_branch_target_load_optimize.
5065
5066 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5067
5068         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5069         (sparc64-*-openbsd*): Likewise.
5070         (sparclite-*-elf*): Include tm-dwarf2.h.
5071         (sparc86x-*-elf*): Likewise.
5072         (sparc64-*-elf*): Likewise.
5073         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5074         (DBX_DEBUGGING_INFO): Likewise.
5075         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5076         (PREFERRED_DEBUGGING_TYPE): Likewise.
5077         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5078         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5079         (PREFERRED_DEBUGGING_TYPE): Likewise.
5080         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5081         (PREFERRED_DEBUGGING_TYPE): Likewise.
5082         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5083
5084 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5085
5086         PR target/18701
5087         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5088
5089 2005-01-20  Paul Brook  <paul@codesourcery.com>
5090
5091         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5092
5093 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5094
5095         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5096         label is first in a sequence of labels.
5097
5098         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5099
5100 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5101             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5102
5103         * doc/sourcebuild.texi (Test Directives): New.
5104
5105 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5106
5107         * real.c (real_floor): Don't leave the result uninitialized when
5108         mode is VOIDMode, but return the unrounded intermediate value.
5109         (real_ceil): Likewise.
5110
5111 2005-01-20  Paul Brook  <paul@codesourcery.com>
5112
5113         * config/arm/arm.md (insv): Use gen_int_mode.
5114
5115 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5116
5117         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5118         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5119         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5120         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5121         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5122
5123 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5124
5125         Fix PR debug/19124
5126         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5127         fbreg, so we have to assume we can't.
5128         (loc_descriptor_from_tree_1): Ditto.
5129         (containing_function_has_frame_base): New function.
5130         (add_location_or_const_value_attribute): Use it.
5131         Also try to generate a frame_base from a single element location
5132         list.
5133
5134 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5135
5136         PR tree-optimization/15349
5137         * timevar.def (TV_TREE_MERGE_PHI): New.
5138         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5139         PHI_WANTED.
5140         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5141         calls to tree_forwarder_block_p.
5142         (remove_forwarder_block_with_phi, merge_phi_nodes,
5143         gate_merge_phi, pass_merge_phi): New.
5144         * tree-optimize.c (init_tree_optimization_passes): Add
5145         pass_merge_phi.
5146         * tree-pass.h: Add an extern for pass_merge_phi;
5147
5148 2005-01-20  Richard Henderson  <rth@redhat.com>
5149
5150         PR target/19418
5151         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5152         (_mm_castps_pd, _mm_castps_si128): New.
5153         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5154
5155 2005-01-20  Richard Henderson  <rth@redhat.com>
5156
5157         PR target/19530
5158         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5159         __builtin_ia32_vec_init_v2si.
5160         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5161         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5162         (ix86_init_mmx_sse_builtins): Create it.
5163         (ix86_expand_builtin): Expand it.
5164         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5165         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5166         (vec_extractv2si_0, vec_extractv2si_1): New.
5167
5168 2005-01-20  Richard Henderson  <rth@redhat.com>
5169
5170         PR target/16533
5171         * config/i386/i386.c (ix86_expand_push): New.
5172         * config/i386/mmx.md (push<MMXMODE>1): New.
5173         * config/i386/sse.md (push<SSEMODE>1): New.
5174         * config/i386/i386-protos.h: Update.
5175
5176 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5177
5178         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5179         copyright.
5180
5181 2005-01-20  Richard Henderson  <rth@redhat.com>
5182
5183         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5184         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5185
5186 2005-01-19  Richard Henderson  <rth@redhat.com>
5187
5188         PR target/19350
5189         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5190         to V4SFmode in SSE1 fallback load path.
5191
5192 2005-01-19  Richard Henderson  <rth@redhat.com>
5193
5194         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5195         in QImode expansion to ix86_expand_vector_set.
5196         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5197
5198 2005-01-19  Richard Henderson  <rth@redhat.com>
5199
5200         PR target/19511
5201         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5202         subclass of the input class.
5203         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5204         Always true for cross-SSE1 classes.  Rationalize conditionals.
5205         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5206         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5207         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5208         (movdi_2): Add MMX/SSE zeros.
5209         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5210         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5211         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5212         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5213         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5214         (zero_extendsidi2_rex64_1): Remove.
5215         (MOV0 peephole): Check GENERAL_REG_P.
5216
5217 2005-01-19  Richard Henderson  <rth@redhat.com>
5218
5219         PR target/19427
5220         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5221         shufps elements.
5222         (ix86_expand_vector_extract): Likewise.
5223
5224 2005-01-19  Richard Henderson  <rth@redhat.com>
5225
5226         PR middle-end/19304
5227         * expr.c (emit_move_change_mode): New argument force; use
5228         simplify_gen_subreg if true.
5229         (emit_move_via_alt_mode): Merge into ...
5230         (emit_move_via_integer): ... here.
5231         (emit_move_ccmode): Use emit_move_change_mode directly.
5232
5233 2005-01-19  Richard Henderson  <rth@redhat.com>
5234
5235         PR target/19518
5236         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5237         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5238         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5239         rtl if true.
5240         (alpha_emit_set_const): Likewise.  Make static.
5241         (alpha_emit_set_long_const): Make static.
5242         (alpha_extract_integer): Split out from alpha_expand_mov.
5243         (alpha_split_const_mov): Likewise.
5244         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5245         (alpha_legitimate_constant_p): New.
5246         * config/alpha/alpha-protos.h: Update.
5247         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5248         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5249         * config/alpha/alpha.md (movsi): Add n alternative.
5250         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5251         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5252         (splitters for all of the above): Use alpha_split_const_mov.
5253         * config/alpha/predicates.md (non_add_const_operand): New.
5254         (non_zero_const_operand): New.
5255         (input_operand): Use alpha_legitimate_constant_p after reload.
5256
5257 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5258
5259         PR tree-optimization/19038
5260         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5261         (add_candidate): Add ivs with increment in latch only if
5262         allow_ip_end_pos_p is true.
5263         (determine_iv_cost): Use empty_block_p.
5264
5265 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5266
5267         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5268         (compute_dominance_frontiers): Ditto.
5269
5270 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5271
5272         PR target/19529
5273         * config/sh/t-rtems: New.
5274         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5275
5276 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5277
5278         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5279         the offset of the selected field.
5280
5281 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5282
5283         * tree-cfg.c (remove_forwarder_block): Fix the check to
5284         prevent a nonlocal label from appearing in the middle of a
5285         basic block.
5286
5287 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5288
5289         PR rtl-optimization/19462
5290         * reorg.c (find_end_label): Create return insn only if
5291         current_function_epilogue_delay_list is empty.
5292
5293 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5294
5295         * doc/passes.texi: Remove paragraph mentioning new-ra.
5296
5297 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5298
5299         PR rtl-optimization/15139
5300         * combine.c: Include params.h.
5301         (count_rtxs): New function.
5302         (record_value_for_reg): If replace_rtx would replace at least
5303         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5304         (clobber (const_int 0)) instead of TEM.
5305         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5306         * params.h (MAX_LAST_VALUE_RTL): New.
5307         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5308         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5309
5310         PR c/17297
5311         * c-typeck.c (digest_init): Only call build_vector if all constructor
5312         elements are *_CST nodes.
5313         * gimplify.c (gimplify_init_constructor): Likewise.
5314
5315         PR middle-end/19164
5316         * c-typeck.c (digest_init): Only call build_vector if inside_init
5317         is a CONSTRUCTOR.
5318
5319 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5320
5321         * toplev.c (init_asm_output): Remove dead #ifdef.
5322
5323 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5324
5325         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5326
5327 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5328
5329         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5330         accessing DECL_FUNCTION_CODE.
5331         * dojump.c (do_jump): Likewise.
5332         * gimplify.c (gimplify_call_expr): Likewise.
5333         * predict.c (expr_expected_value): Likewise.
5334         (strip_builtin_expect): Likewise.
5335         * tree-inline.c (estimate_num_insns_1): Likewise.
5336         * tree-ssa-loop-im.c (stmt_cost): Likewise
5337         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5338         (tree_expr_nonnegative_p): Likewise.
5339
5340 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5341
5342         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5343         variant of the load_pcrel_sym pattern.
5344         * config/sparc/sparc.md (P macro): Move to the top.
5345         (load_pcrel_sym): Macroize using P.
5346         (save_register_window): Likewise.
5347
5348 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5349
5350         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5351         ("sordered"): Same.
5352
5353 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5354
5355         PR C/19472
5356         * c-typeck.c (build_asm_expr): Strip nops off
5357         input memory operands.
5358
5359 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5360
5361         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5362         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5363         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5364         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5365
5366 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5367
5368         PR target/19379
5369         * config/i386/i386.c (override_options): If the 80387 is disabled,
5370         then do not return FP values using FP registers.
5371
5372 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5373
5374         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5375         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5376         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5377         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5378         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5379         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5380         output.h, postreload-gcse.c, postreload.c, recog.c,
5381         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5382         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5383         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5384         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5385         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5386         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5387         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5388         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5389
5390         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5391         config/alpha/alpha.c, config/arm/vfp.md,
5392         config/i386/emmintrin.h, config/i386/i386-modes.def,
5393         config/i386/i386-protos.h, config/i386/i386.h,
5394         config/i386/pmmintrin.h, config/i386/ppro.md,
5395         config/i386/predicates.md, config/i386/xmmintrin.h,
5396         config/i860/i860.c, config/ia64/ia64-modes.def,
5397         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5398         config/ia64/ia64.md, config/ia64/itanium1.md,
5399         config/ia64/itanium2.md, config/ia64/predicates.md,
5400         config/iq2000/iq2000.h, config/mips/linux64.h,
5401         config/rs6000/aix41.h, config/rs6000/aix43.h,
5402         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5403         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5404         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5405         config/sparc/linux64.h, config/sparc/litecoff.h,
5406         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5407         config/sparc/sparc.h, config/sparc/sparc.md,
5408         config/sparc/sysv4-only.h: Update copyright.
5409
5410 2005-01-18  Richard Henderson  <rth@redhat.com>
5411
5412         PR target/19496
5413         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5414
5415 2005-01-18  Marc Espie  <espie@openbsd.org>
5416         * config/i386/openbsdelf.h: Typo.
5417
5418 2005-01-18  Richard Henderson  <rth@redhat.com>
5419
5420         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5421         special case for sse.
5422         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5423
5424 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5425
5426         * tree-inline.c (estimate_num_insns_1): Added cases for
5427         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5428
5429 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5430
5431         PR rtl-optimization/19296
5432         * combine.c (simplify_comparison): Rewrite the condition under
5433         which a non-paradoxical SUBREG of a PLUS can be lifted when
5434         compared against a constant.
5435
5436 2005-01-18  Andi Kleen <ak@muc.de>
5437
5438         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5439         * c.opt (-Wpointer-sign): Add.
5440         * doc/invoke.texi: (-Wpointer-sign): Add.
5441
5442 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5443
5444         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5445         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5446         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5447         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5448         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5449         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5450         for TARGET_MIX_SSE_I387.
5451         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5452         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5453         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5454         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5455         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5456         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5457         TARGET_MIX_SSE_I387.
5458         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5459         from expander.
5460
5461 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5462
5463         PR target/19424
5464         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5465         Add movaps alternative for xmm reg->reg move.
5466
5467 2005-01-17  Jeff Law  <law@redhat.com>
5468
5469         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5470         at the end of the main DOM loop rather than just before DOM exits.
5471
5472 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5473
5474         PR tree-optimization/19121
5475         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5476         adding aliases to a name tag, also add them to the pointer's
5477         type tag.
5478         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5479         sensitive alias info at all.  Only check that the two pointers
5480         have compatible pointed-to sets.
5481         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5482         a pointer's type tag is a superset of the alias set of the
5483         pointer's name tag.
5484
5485 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5486
5487         PR target/19357
5488         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5489         comment to document why.
5490
5491 2005-01-17  Richard Henderson  <rth@redhat.com>
5492
5493         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5494         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5495         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5496         sse2_vmsminv2df3_finite): New.
5497         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5498         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5499         Force op1 into register.
5500
5501 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5502
5503         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5504         bubblestrap from always rebuilding build directory.
5505
5506 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5507
5508         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5509         ("*cmpmem_short"): Likewise.
5510
5511 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5512
5513         * basic-block.h: Document BB_* flags.
5514         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5515         use an sbitmap instead.
5516         * sched-rgn.c (compute_trg_info): Likewise.
5517
5518 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5519
5520         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5521         redundant target_cpu_default and extra_parts lines.  Use the default
5522         "from-abi" ISA.
5523         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5524         (SUBTARGET_EXTRA_SPECS): Delete.
5525         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5526         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5527         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5528         and "n32" for -mabi=n32.
5529
5530 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5531
5532         PR c/5675
5533         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5534         fold constant variables into initial values.
5535
5536 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5537
5538         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5539
5540         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5541         through the statements backward.
5542
5543 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5544
5545         PR middle-end/13127:
5546         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5547         a variable set to the return value of the inlined function.
5548
5549 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5550
5551         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5552         when modes are tieable.
5553
5554 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5555
5556         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5557         of pthread_create to find out if threads are enabled.
5558         * gthr-posix95.h (__gthread_active_p): Likewise.
5559
5560 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5561
5562         * common.opt (-fnew-ra): Remove.
5563         * ra*.*: Remove.
5564         * toplev.h (flag_new_regalloc): Remove.
5565         * Makefile.in (ra*.*): Don't mention.
5566         * passes.c (rest_of_handle_new_regalloc): Remove.
5567         (rest_of_handle_combine, rest_of_compilation): Always consider
5568         flag_new_regalloc as false.
5569         * doc/invoke.texi: Don't document -fnew-ra.
5570
5571 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5572
5573         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5574         last parameter to reg_scan.
5575         * loop.c (loop_optimize): Likewise.
5576         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5577         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5578         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5579         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5580         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5581         * regclass.c (reg_scan): Likewise, for the declaration.
5582         * rtl.h (reg_scan): Likewise, for the prototype.
5583
5584 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5585
5586         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5587         mark_dfs_back_edges.
5588
5589 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5590
5591         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5592         (compute_avail): Uses don't go in tmp_gen.
5593
5594 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5595
5596         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5597         loop to look for a free slot in a page entry.
5598
5599 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5600
5601         PR target/16304
5602         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5603         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5604         just before targetm.asm_out.file_end.
5605         * tree.h (process_pending_assemble_output_defs): Declare.
5606         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5607         New functions.
5608         (assemble_alias): Defer generation of assembly code for defines when
5609         TARGET_DEFERRED_OUTPUT_DEFS is true.
5610         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5611         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5612         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5613
5614 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5615
5616         PR target/19336
5617         * pa.c (pa_scalar_mode_supported_p): New function.
5618         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5619         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5620
5621         * pa-protos.h (prefetch_operand): Delete.
5622         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5623         * pa.c (prefetch_operand): Delete.
5624         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5625         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5626         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5627         and prefetch_nocc_operand.
5628         * pa.md (prefetch): Rework to avoid reload problems handling short
5629         displacements when a cache control completer needs to be provided.
5630         (prefetch_32, prefetch_64): Delete.
5631         (prefetch_cc, prefetch_nocc): New patterns.
5632
5633 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5634
5635         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5636
5637 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5638
5639         PR ada/19388
5640         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5641         exceeds maximum alignment for global common data.
5642         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5643         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5644
5645 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5646
5647         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5648
5649 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5650
5651         * harg-reg-set.h (reg_class_names): Prototype global array.
5652         * regclass.c (reg_class_names): Declare here and initialize to
5653         REG_CLASS_NAMES.
5654         (dump_regclass): Remove local declaration of reg_class_names.
5655         (regclass): Likewise.
5656         * cfg.c (dump_flow_info): Likewise.
5657         * ra-debug.c (reg_class_names): Likewise.
5658         * regrename.c (reg_class_names): Likewise.
5659         * reload.c (reg_class_names): Likewise.
5660         * reload1.c (spill_failure): Likewise.
5661         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5662
5663 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5664
5665         * config/s390/s390.md ("reload_outti"): Remove predicate for
5666         output operand.  Abort if operand is not a MEM.
5667         ("reload_outdi", "reload_outdf"): Likewise.
5668
5669 2005-01-15  Marc Espie  <espie@openbsd.org>
5670
5671         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5672         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5673         * config/openbsd.h:  Fix C++ includes for native configurations.
5674         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5675         Add trampoline support.
5676         * config/i386/openbsdelf.h: New.
5677
5678 2005-01-15  Marc Espie  <espie@openbsd.org>
5679
5680         * collect2.c (main): Explicitly parse -dynamic-linker option.
5681
5682 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5683
5684         PR tree-optimization/19060
5685         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5686         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5687         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5688         and handle extract_range_from_cond returning false.
5689         * fold-const.c (fold): Optimize comparisons with min/max even for
5690         width > HOST_BITS_PER_WIDE_INT.
5691
5692 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5693
5694         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5695         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5696         Remove little endian multilib variants.
5697         Add mips32 multilib variant.
5698
5699 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5700
5701         * explow.c (copy_all_reg, stabilize): Remove.
5702         * expr.h: Remove the corresponding prototypes.
5703
5704         * rtlanal.c (regs_set_between_p): Remove.
5705         * rtl.h: Remove the corresponding prototype.
5706
5707 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5708
5709         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5710         to rs6000_nonimmediate_operand.
5711         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5712         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5713         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5714         rs6000_nonimmediate_operand.
5715         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5716         rs6000_nonimmediate_operand.
5717
5718 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5719
5720         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5721
5722 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5723
5724         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5725         on e500v2.
5726         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5727         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5728
5729         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5730         (rs6k_nonimmediate_operand): New.
5731         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5732         correctly.
5733         (legitimate_lo_sum_address_p): Same.
5734         (rs6000_legitimize_address): Same.
5735         (rs6000_legitimize_reload_address): Same.
5736         (rs6000_legitimate_address): Same.
5737         (spe_build_register_parallel): Pass DF and DC modes in a DI
5738         register.
5739
5740         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5741         to rs6k_nonimmediate_operand.
5742
5743         * config/rs6000/spe.md ("*frob_df_di"): New.
5744         ("*frob_di_df"): New.
5745         ("*frob_di_df_2"): New.
5746         ("*mov_sidf_e500_subreg0"): New.
5747         ("*mov_sidf_e500_subreg4"): New.
5748         ("*movdf_e500_double"): Change predicate to
5749         rs6k_nonimmediate_operand.
5750
5751 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5752
5753         * postreload.c (move2add_note_store): Only call
5754         trunc_int_for_mode on scalar integers.
5755
5756 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5757
5758         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5759         replace BB_VISITED uses.
5760         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5761         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5762         (tree_dce_done): Free visited_control_parents.
5763         (perform_tree_ssa_dce): Allocate and clear it.
5764         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5765         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5766         instead of BB_VISITED.
5767
5768 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5769
5770         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5771         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5772         Remove unused prototypes.
5773
5774 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5775
5776         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5777         64-bit register usage.
5778         (spe_func_has_64bit_regs_p): Add FIXME note.
5779
5780 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5781
5782         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5783         flag_finite_math_only with flag_unsafe_math_optimizations.
5784
5785 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5786
5787         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5788         end-of-stack check.
5789         (__tpf_eh_return): Copy TPF private stack area from the module
5790         boundary stack frame.  Add check for when module addresses are
5791         equal, but no stub address is found.
5792
5793 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5794
5795         PR target/7525
5796         * arm.h (struct machine_function): Add call_via field.
5797         (thumb_call_via_label): Declare.
5798         * arm.c (thumb_call_via_label): New variable.
5799         (thumb_call_reg_needed): New variable.
5800         (arm_output_function_epilogue): For Thumb code, output any per-function
5801         call-indirect trampolines.
5802         (thumb_call_via_reg): New function.
5803         (arm_file_end): New function.
5804         (TARGET_ASM_FILE_END): Call arm_file_end.
5805         (aof_file_end): Likewise.
5806         * arm-protos.h (thumb_call_via_reg): Declare.
5807         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5808         thumb_call_via_reg in normal case.
5809
5810 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5811
5812         PR middle-end/19084
5813         PR rtl-optimization/19348
5814         * recog.c (peephole2_optimize): Do global life update if some peephole
5815         decides it doesn't need at least one of its inputs and that change
5816         influences liveness at the start of the basic block.
5817
5818         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5819         arguments instead of 1.
5820
5821 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5822
5823         PR middle-end/18820
5824         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5825         zero for nested functions needing a static chain or functions
5826         with a non-constant address.
5827
5828 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5829
5830         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5831         (and (sign_extend X) C) into (zero_extend (and X C)).
5832
5833 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5834
5835         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5836
5837 2005-01-13  Richard Henderson  <rth@redhat.com>
5838
5839         PR target/19009
5840         PR target/19250
5841         PR target/19252
5842         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5843         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5844         not just TARGET_SSE.
5845         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5846         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5847         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5848         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5849         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5850         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5851         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5852         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5853         (movdicc_c_rex64): Rename with '*'.
5854         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5855         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5856         (movsfcc_1_387): Rename from movsfcc_1.
5857         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5858         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5859         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5860         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5861         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5862         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5863         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5864         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5865         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5866         sse_movdfcc_const0_4): Remove.
5867         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5868         recognize min/max early.  Update for changed sse cmove patterns.
5869         (ix86_split_sse_movcc): New.
5870         * config/i386/i386-protos.h: Update.
5871
5872 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5873
5874         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5875         (fix_stmt_v_may_defs): Likewise.
5876
5877 2005-01-13  Richard Henderson  <rth@redhat.com>
5878
5879         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5880         for converting the mask.
5881
5882 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5883
5884         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5885         definition to 600.
5886
5887 2005-01-13  Richard Henderson  <rth@redhat.com>
5888
5889         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5890         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5891         IX86_BUILTIN_MOVDQ2Q): Remove.
5892         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5893         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5894         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5895         shuffling.
5896         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5897         (sse2_pextrw): Fix immediate constraint.
5898         (sse2_loadq, sse2_loadq_rex64): Remove.
5899         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5900         Use __builtin_ia32_vec_ext_<size>.
5901         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5902
5903 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5904
5905         * function.c (assign_parm_setup_block): Look inside original
5906         entry_parm when inspecting PARALLEL.
5907
5908 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5909             Joel Sherrill  <joel@oarcorp.com>
5910
5911         PR target/19399
5912         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5913         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5914         rtems_gxx_recursive_mutex_init.
5915         (__gthread_recursive_mutex_lock): New function.
5916         (__gthread_recursive_mutex_trylock): Likewise.
5917         (__gthread_recursive_mutex_unlock): Likewise.
5918
5919 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5920
5921         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5922
5923 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5924
5925         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5926         (ashrti3_internal): Indicate output is early clobber. Generate result
5927         into output rather than first input. Use move for low word of output
5928         if shift count is exactly 64.
5929         (lshrti3_internal): Likewise.
5930
5931 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5932
5933         PR target/18329
5934         PR target/18330
5935         * reload1.c (delete_output_reload): Don't delete an output reload
5936         if the pseudo lives longer than a single basic block.  Adjust and
5937         improve wording of comment.
5938
5939 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5940
5941         PR target/19334
5942         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5943         of TYPE_SIZE where we mean the number of bytes.
5944
5945 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5946
5947         * function.c (assign_parm_setup_block): Relax condition on
5948         multi-register optimization.
5949
5950 2005-01-12  Nick Clifton  <nickc@redhat.com>
5951
5952         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5953         an "in_delay_slot" attribute of "no" to prevent them being used in
5954         delay slots.  This is forbidden because they might generate
5955         exceptions.
5956
5957 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5958
5959         PR target/19389
5960         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5961         with r->Y and Y->r.
5962
5963 2005-01-12  Nick Clifton  <nickc@redhat.com>
5964
5965         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5966         passed on to GAS) but do not define, as GAS no longer supports or
5967         needs the -m2000 option.
5968
5969 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5970
5971         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5972         type as args of unprototyped builtins aren't automatically promoted.
5973         (fold_builtin_abs): Likewise.
5974
5975 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5976
5977         * Makefile.in: Set a `build-warn' variable.
5978
5979 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5980
5981         PR tree-optimization/17949
5982         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5983         (find_interesting_uses_address): Use it.
5984
5985 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5986
5987         * regrename.c (kill_value): Handle subreg's that won't simplify.
5988
5989 2005-01-11  Richard Henderson  <rth@redhat.com>
5990
5991         PR target/13366
5992         * config/i386/i386.h (enum ix86_builtins): Move ...
5993         * config/i386/i386.c: ... here.
5994         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5995         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5996         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5997         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5998         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5999         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6000         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6001         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6002         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6003         IX86_BUILTIN_LOADDDUP): Remove.
6004         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6005         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6006         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6007         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6008         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6009         (ix86_init_builtins): Make static.
6010         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6011         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6012         if all the modes match.  Otherwise, fake it.
6013         (get_element_number, ix86_expand_vec_init_builtin,
6014         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6015         (ix86_expand_builtin): Make static.  Update for changed builtins.
6016         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6017         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6018         (ix86_expand_vector_init_duplicate): New.
6019         (ix86_expand_vector_init_low_nonzero): New.
6020         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6021         Split out from ix86_expand_vector_init; handle integer modes.
6022         (ix86_expand_vector_init): Use them.
6023         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6024         * config/i386/i386-protos.h: Update.
6025         * config/i386/predicates.md (reg_or_0_operand): New.
6026         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6027         (movv2sf_internal): Likewise.  And a splitter to match them all.
6028         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6029         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6030         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6031         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6032         (mmx_pinsrw): Fix operand ordering.
6033         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6034         rather than sse_loadss expander.
6035         (movv2df splitter): Similarly.
6036         (sse_loadss, sse_loadlss): Remove.
6037         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6038         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6039         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6040         (sse3_movddup): Rename with '*'.
6041         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6042         (sse2_loadsd): Remove.
6043         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6044         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6045         (sse2_pinsrw): Fix argument ordering.
6046         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6047         (sse2_stored): Remove 'r' destination.
6048         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6049         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6050         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6051         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6052         vec_extractv16qi, vec_initv16qi): New.
6053
6054         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6055         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6056         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6057         constructor form.
6058         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6059         (_mm_load_si128, _mm_store_si128): Likewise.
6060         (_mm_load1_pd): Use _mm_set1_pd.
6061         (_mm_load_sd): Use _mm_set_sd.
6062         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6063         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6064         (_mm_set_epi64): Use _mm_set_epi64x.
6065         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6066         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6067         _mm_setr_epi8): Use _mm_set_foo form.
6068         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6069         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6070         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6071         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6072         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6073         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6074         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6075         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6076         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6077         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6078         (_mm_movedup_pd): Use _mm_shuffle_pd.
6079         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6080         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6081         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6082         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6083         Use _mm_setzero_ps.
6084         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6085         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6086         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6087         (_mm_store_ps): Use raw dereference.
6088         (_mm_store1_ps): Use _mm_storeu_ps.
6089         (_mm_storer_ps): Use _mm_store_ps.
6090         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6091         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6092
6093 2005-01-11  Stan Shebs  <shebs@apple.com>
6094
6095         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6096         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6097
6098 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6099
6100         PR target/18761
6101         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6102         Skip all DECLs except for FIELD_DECLs.
6103
6104 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6105
6106         * config/s390/s390.c (override_options): Return error if
6107         -mbackchain, -mpacked-stack and -mhard-float are used together.
6108         (s390_va_start): Remove the backchain && packed-stack special case.
6109         (s390_gimplify_va_arg): Likewise.
6110         * doc/invoke.texi: Remove the ABI incompatibility note.
6111
6112 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6113
6114         * config/s390/s390.c (struct s390_frame_layout): Remove
6115         save_backchain_p.
6116         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6117         save_backchain_p with TARGET_BACKCHAIN.
6118
6119 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6120
6121         PR target/18916
6122         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6123         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6124         * function.c (locate_and_pad_parm): Set new field.
6125         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6126         Tweak where_pad test to include "none".  Always set mem align for
6127         stack_parm.
6128         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6129         not sufficient for type.
6130         (assign_parm_setup_block): If stack_parm is zero on entry, always
6131         make a new stack local.  Block move old stack parm if necessary
6132         to new aligned stack local.
6133         (assign_parm_setup_stack): Use a block move to handle
6134         potentially misaligned entry_parm.
6135         (assign_parms_unsplit_complex): Specify required alignment when
6136         creating stack local.
6137         * calls.c (compute_argument_addresses): Override alignment of stack
6138         arg calculated from its type with the alignment given by
6139         FUNCTION_ARG_BOUNDARY.
6140         (store_one_arg): Likewise.
6141
6142 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6143
6144         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6145         Change respective itanium_class attribute to ialu.
6146         (shladdp4_internal): New.
6147         * config/ia64/predicates.md (shladd_log2_operand): New.
6148
6149 2005-01-11  Richard Henderson  <rth@redhat.com>
6150
6151         * expr.c (store_constructor): Use rtvec_alloc instead of
6152         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6153
6154 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6155
6156         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6157
6158 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6159
6160         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6161         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6162         (TARGET_RWRELOC): Define.
6163         (ia64_rwreloc_section_type_flags): Delete.
6164         (ia64_section_type_flags): New function.
6165         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6166         (TARGET_RWRELOC): Define.
6167
6168 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6169
6170         PR target/18987
6171         * config/ia64/ia64.c (process_set): For alloc insn, only call
6172         process_epilogue is !frame_pointer_needed.
6173
6174 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6175
6176         PR c++/19355
6177         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6178         unary operator and can't be treated as a binary/comparison operator.
6179
6180 2005-01-10  Richard Henderson  <rth@redhat.com>
6181
6182         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6183         (ix86_return_in_memory): Likewise.
6184         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6185         for choosing register to advance.
6186
6187 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6188
6189         * tree-vectorizer.c, tree.def: Fix comment typos.
6190
6191 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6192
6193         * config/s390/s390.c (struct processor_costs): 4 new fields:
6194         ddbr, ddr, debr, der.
6195         (s390_rtx_costs): More precise handling of divide instructions.
6196
6197 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6198
6199         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6200
6201 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6202
6203         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6204         names resulting from -ffunction-sections/-fdata-sections and linkonce
6205         ones.
6206         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6207         based on the section name. Rearrange the section name comparison logic
6208         slightly so that each section name is compared against at most once.
6209
6210 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6211
6212         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6213         targets for which -fPIC reduces limitations on the GOT size.
6214
6215 2005-01-09  Falk Hueffner  <falk@debian.org>
6216
6217         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6218         X/C1 cmpop C2.
6219
6220 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6221
6222         PR target/18720
6223         * collect2.c (main): Set aixrtl_flag for -brtl option.
6224         (resolve_lib_name): Search for .so file extension before .a
6225         if aixrtl_flag set.
6226
6227 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6228
6229         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6230         (vect_analyze_data_refs_alignment): Add dump prints.
6231
6232 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6233
6234         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6235         expr_invariant_in_loop_p.
6236         Initialize outputs first thing in the function.
6237         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6238         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6239         (vect_analyze_pointer_ref_access): Check that the initial condition of
6240         the access function is loop invariant.
6241
6242 2005-01-09  Richard Henderson  <rth@redhat.com>
6243
6244         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6245         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6246         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6247         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6248         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6249         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6250         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6251         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6252         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6253         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6254         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6255         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6256         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6257         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6258         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6259         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6260         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6261         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6262         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6263         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6264         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6265         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6266         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6267         mmx_ prefix.
6268         (mmx_clrdi, pavgusb): Remove.
6269         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6270         with leading sse_ prefix.
6271         * config/i386/sse.md: Receive them.
6272         * config/i386/mmx.md: New file.
6273         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6274         (subrv2sf3): Turn into expander for normal subtraction.
6275         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6276         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6277         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6278         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6279         commutative; use ix86_binary_operator_ok.
6280         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6281         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6282         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6283         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6284         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6285         Macroize from existing patterns; use ix86_binary_operator_ok.
6286         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6287         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6288         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6289         with vec_select+vec_concat.
6290         (mmx_pshufw, mmx_pshufw_1): Likewise.
6291         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6292         (mmx_uavgv4hi3): Model correctly.
6293         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6294         _mm_xor_si64): Remove casts.
6295
6296 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6297
6298         PR tree-optimization/19224
6299         * tree-scalar-evolution.c (get_instantiated_value,
6300         set_instantiated_value): New functions.
6301         (instantiate_parameters_1): Cache the results.
6302         (instantiate_parameters, resolve_mixers): Initialize and free
6303         the cache.
6304
6305 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6306
6307         * config/i386/i386.md (addhi_4): Correct reference in comment.
6308         (addqi_4): Same.
6309
6310 2005-01-08  Richard Henderson  <rth@redhat.com>
6311
6312         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6313         (_mm_cvtsi128_si64x): Likewise.
6314         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6315         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6316         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6317         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6318         * config/i386/i386-protos.h: Update.
6319         * config/i386/i386.c (print_operand): Add 'H'.
6320         (ix86_fixup_binary_operands): Split out from ...
6321         (ix86_expand_binary_operator): ... here.
6322         (ix86_fixup_binary_operands_no_copy): New.
6323         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6324         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6325         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6326         (safe_vector_operand): Use CONST0_RTX.
6327         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6328         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6329         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6330         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6331         special cases.
6332         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6333         (IX86_BUILTIN_CMPNGESS): New.
6334         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6335         (attr type): Add sselog1.
6336         (attr unit, attr memory): Handle it.
6337         (movti, movti_internal, movti_rex64): Move near other integer moves.
6338         (movtf, movtf_internal): Move near other fp moves.
6339         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6340         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6341         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6342         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6343         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6344         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6345         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6346         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6347         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6348         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6349         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6350         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6351         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6352         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6353         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6354         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6355         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6356         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6357         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6358         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6359         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6360         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6361         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6362         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6363         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6364         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6365         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6366         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6367         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6368         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6369         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6370         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6371         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6372         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6373         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6374         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6375         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6376         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6377         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6378         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6379         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6380         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6381         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6382         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6383         same time.
6384         (SSEPUSH, push<SSEPUSH>): Remove.
6385         (MMXPUSH, push<MMXPUSH>): Remove.
6386         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6387         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6388         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6389         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6390         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6391         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6392         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6393         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6394         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6395         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6396         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6397         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6398         (ppro_sse_log_V4SF): Handle sselog1.
6399         * config/i386/predicates.md (const_0_to_1_operand): New.
6400         (const_0_to_255_mul_8_operand): New.
6401         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6402         (const_2_to_3_operand, const_4_to_7_operand): New.
6403         * config/i386/sse.md: New file.
6404         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6405         (sse_movups): Rename from sse_movups_1.
6406         (sse_loadlss): Rename from sse_loadss_1.
6407         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6408         from the name.
6409         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6410         (absv4sf2, negv2df, absv2df): New.
6411         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6412         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6413         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6414         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6415         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6416         (sse3_addsubv4sf3): Model correctly.
6417         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6418         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6419         (sse_movhlps): Model with vec_select+vec_concat.
6420         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6421         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6422         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6423         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6424         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6425         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6426         sse2_pshufhw_1): Likewise.
6427         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6428         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6429         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6430         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6431         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6432         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6433         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6434         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6435         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6436         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6437         sminv8hi3): Mark commutative
6438         operands.  Use ix86_binary_operator_ok.
6439         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6440         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6441         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6442         sse2_punpcklqdq): Allow operand2 in memory.
6443         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6444         sse2_movsd): Add memory alternatives.
6445         (sse_storelps): Turn expander into an insn; split after reload.
6446         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6447         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6448
6449 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6450
6451         * configure.ac (DWARF-2 debug_line): Use objdump.
6452         * configure: Regenerate.
6453
6454 2005-01-08  Jeff Law  <law@redhat.com>
6455             Diego Novillo  <dnovillo@redhat.com>
6456
6457         PR tree-optimization/18241
6458         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6459         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6460         statements with volatile operands.
6461         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6462         operands after marking a statement with has_volatile_ops.
6463
6464 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6465
6466         * tree.c (int_fits_type_p): Always honor integer constant
6467         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6468
6469 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6470
6471         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6472         the latent bug in rtl_delete_block has been resolved.
6473
6474 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6475
6476         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6477         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6478
6479 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6480
6481         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6482         library as @multilib_dir@/$(SHLIB_SONAME).
6483
6484 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6485
6486         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6487         * configure: Regenerate.
6488
6489 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6490
6491         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6492         TYPE_MODE.
6493
6494 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6495
6496         PR target/13674
6497         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6498         Convert non-word aligned offset address using ld/std into
6499         indirect address.
6500
6501 2005-01-07  Richard Henderson  <rth@redhat.com>
6502
6503         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6504
6505 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6506
6507         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6508
6509 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6510
6511         PR tree-optimization/19283
6512         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6513         is not shorter than the original type.
6514
6515         PR rtl-optimization/19012
6516         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6517
6518         PR rtl-optimization/18861
6519         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6520         (FULL_STATE): Define.
6521         (mark_tablejump_edge): New function.
6522         (purge_dead_tablejump_edges): New function.
6523         (find_bb_boundaries): Use it.
6524
6525         PR tree-optimization/18828
6526         * builtins.c (expand_builtin_next_arg): Remove argument and all
6527         the argument checking.
6528         (expand_builtin): Adjust caller.
6529         (expand_builtin_va_start): Likewise.  Remove error for too many
6530         arguments.
6531         (fold_builtin_next_arg): Issue error for too many arguments.
6532         After checking arguments, replace them with magic arguments that
6533         prevent further checking of the args.
6534
6535 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6536
6537         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6538
6539 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6540
6541         PR target/6077
6542         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6543         and %{.S:...} (and their negative variants) to test whether the
6544         input file is assembler or pre-processed-assembler independent of
6545         the actual filename extension.
6546
6547 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6548
6549         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6550         of sign or zero extended values.
6551
6552 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6553
6554         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6555         for IBM long double format correctly.
6556
6557 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6558
6559         Fix PR tree-optimization/18792
6560
6561         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6562         to first_loop_depth, and use loop depth instead of loop number.
6563         (build_classic_dir_vector): Ditto.
6564         (compute_data_dependences_for_loop): Use depth, not loop number.
6565         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6566         number. Pass in loops, instead of loop numbers.
6567         (gather_interchange_stats): Ditto.
6568         (linear_transform_loops): Ditto.
6569
6570 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6571
6572         PR rtl-opt/13299
6573         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6574         biv_fits_mode_p, extension_within_bounds_p): New functions.
6575         (check_ext_dependent_givs): Use them.
6576
6577 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6578
6579         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6580         more than one barrier, in which case we should delete them all.
6581
6582 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6583
6584         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6585
6586 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6587
6588         Fix PR middle-end/19286
6589         Fix PR debug/19267
6590         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6591         output this subprogram, simply ignore this attempt to do it again.
6592         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6593         origin attribute if it's not possible.
6594         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6595         (decls_for_scope): Ditto.
6596         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6597         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6598
6599 2005-01-05  Richard Henderson  <rth@redhat.com>
6600
6601         PR target/11327
6602         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6603         (bdesc_2arg): Use it.
6604         (ix86_expand_binop_builtin): Force operands into registers
6605         when optimizing.
6606         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6607         ix86_expand_sse_compare, ix86_expand_sse_comi,
6608         ix86_expand_builtin): Likewise.
6609
6610 2005-01-05  Richard Henderson  <rth@redhat.com>
6611
6612         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6613         and VEC_SELECT.
6614         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6615         (mulv4hi3): Set itanium_class mmmul.
6616         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6617         (fpack): Rename from fpack_sfsf.
6618
6619 2005-01-05  Richard Henderson  <rth@redhat.com>
6620
6621         PR rtl-opt/10692
6622         * reload1.c (do_input_reload): Restrict the optimization deleteing
6623         a previous output reload to RELOAD_FOR_INPUT.
6624
6625 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6626
6627         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6628         comment that we fall through after case.
6629         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6630         (distribute_links): Likewise.
6631         * cse.c (cse_insn): Likewise.
6632         * cselib.c (cselib_invalidate_mem): Likewise.
6633         * df.c: Update comments at the top of the file.
6634         (read_modify_subreg_p): Update comments here too.
6635         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6636         * flow.c (mark_set_1): Likewise.
6637         (mark_used_regs): Likewise.
6638         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6639         (canon_list_insert): Likewise.
6640         (mark_set): Likewise.
6641         (try_replace_reg): Likewise.
6642         (store_killed_in_insn): Likewise.
6643         * loop.c (count_one_set): Likewise.
6644         (basic_induction_var): Likewise.
6645         * postreload-gcse.c (find_mem_conflicts): Likewise.
6646         * postreload.c (reload_combine_note_store): Likewise.
6647         (move2add_note_store): Likewise.
6648         * reload.c (find_equiv_reg): Likewise.
6649         (mark_referenced_resources): Likewise.
6650         * rtlanal.c (set_noop_p): Likewise.
6651         (note_stores): Likewise.
6652         (note_uses): Likewise.
6653         * sched-deps.c (sched_analyze_1): Likewise.
6654         * sched-rgn.c (check_live_1): Likewise.
6655         (update_live_1): Likewise.
6656         * config/i860/i860.c: Likewise.
6657
6658         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6659         an lvalue.
6660         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6661
6662         * doc/rtl.texi: Update documentation for bit-fields and SET.
6663
6664 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6665
6666         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6667
6668 2005-01-05  Jan Hubicka  <jh@suse.cz>
6669             Richard Henderson  <rth@redhat.com>
6670
6671         PR target/18910
6672         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6673         with an offset.
6674
6675 2005-01-05  Richard Henderson  <rth@redhat.com>
6676
6677         PR target/12902
6678         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6679         (sse_shufps): Change operand 3 to const_int_operand.
6680         (sse2_storelps): Fix typo in template.
6681         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6682         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6683         (ix86_expand_builtin): Likewise.
6684
6685 2005-01-05  Julian Brown  <julian@codesourcery.com>
6686
6687         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6688         as aggregates for AAPCS ABIs.
6689
6690 2005-01-05  Stan Shebs  <shebs@apple.com>
6691
6692         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6693         Mach-O getters if ppc64.
6694         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6695         size argument.
6696         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6697         signed four-byte field for global code case.
6698         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6699
6700 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6701
6702         PR middle-end/19100
6703         * c-common.c: Include real.h.
6704         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6705         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6706         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6707         * Makefile.in (c-common.o): Update dependencies.
6708
6709 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6710
6711         * c-parse.in (asm_string): Add trailing semicolon.
6712
6713 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6714
6715         * c-parse.in (asm_string): New.  Don't allow wide strings in
6716         'asm'.
6717         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6718         asm_string instead of STRING.
6719
6720 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6721
6722         * c-typeck.c (constructor_no_implicit): Remove.
6723         (set_designator, process_init_element): Don't check
6724         constructor_no_implicit.
6725
6726 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6727             Kaz Kojima  <kkojima@gcc.gnu.org>
6728
6729         PR target/16482
6730         * lcm.c (create_pre_exit): New.
6731         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6732         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6733
6734 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6735
6736         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6737         -msoft-float in target_float_switch.
6738         * arm.c (arm_override_options): Fix processing of target_float_switch.
6739
6740 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6741
6742         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6743         preferencing.
6744
6745 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6746
6747         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6748         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6749
6750 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6751
6752         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6753         if deleting the then-block allows the test-block to fallthru to the
6754         else-block.
6755
6756 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6757
6758         PR c/19152
6759         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6760         after the full declaration if the are in two different TUs.
6761
6762 2005-01-04  Richard Henderson  <rth@redhat.com>
6763
6764         PR tree-opt/19158
6765         * tree-sra.c (generate_one_element_init): Just
6766         call gimplify_and_add.
6767         (generate_element_init): Record the
6768         new referenced variables and mark them for renaming
6769         and split out to ...
6770         (generate_element_init_1): This.
6771         (scalarize_init): Don't call push_gimplify_context/
6772         pop_gimplify_context.
6773
6774 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6775
6776         * toplev.c (get_src_pwd): Handle failure of getpwd().
6777
6778 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6779
6780         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6781         of TRUTH_NOT_EXPR.
6782         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6783         all the cases handled by it are inverted by invert_truthvalue.
6784
6785 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6786
6787         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6788         (save_register_windowsi): Likewise.
6789
6790 2005-01-04  Richard Henderson  <rth@redhat.com>
6791
6792         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6793
6794 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6795
6796         PR middle-end/17767
6797         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6798         any simplifications of vector mode comparison operators.
6799         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6800
6801 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6802             Devang Patel  <dpatel@apple.com>
6803
6804         PR tree-optimization/18308
6805         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6806         the operands before creating a new expression.
6807         * dojump.c (do_jump): Make drop_through_label available
6808         for all cases.  Add expansion of COND_EXPR.
6809
6810 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6811
6812         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6813         INTEGER_CST instead of TREE_CONSTANT.
6814         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6815         instead of TREE_CONSTANT.
6816         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6817         instead of TREE_CONSTANT.
6818
6819 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6820
6821         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6822
6823 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6824
6825         PR target/19240
6826         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6827         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6828
6829 2005-01-03  Richard Henderson  <rth@redhat.com>
6830
6831         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6832         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6833         fold_convert_const_real_from_real): Split out from ...
6834         (fold_convert_const): ... here.
6835
6836 2005-01-03  Richard Henderson  <rth@redhat.com>
6837
6838         PR target/19235
6839         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6840         (mov<MMXMODEI>_internal): Likewise.
6841         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6842         Add V2SF case; use it for SSE1; don't use TI.
6843         (movdf_integer): Likewise.
6844         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6845
6846 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6847
6848         * tree-vectorizer.c (vect_strip_conversions): New function.
6849         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6850         check for binary class.
6851
6852 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6853
6854         Fix PR debug/17924
6855         Fix PR debug/19191
6856         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6857         is a decl.
6858         * gimple-low.c (mark_blocks_with_used_vars): New function.
6859         (mark_blocks_with_used_subblocks): Ditto.
6860         (mark_used_blocks): Ditto.
6861         (pass_mark_used_blocks): New pass.
6862         * tree-inline.c: Include debug.h.
6863         (expand_call_inline): Call outlining_inline_function here.
6864         * tree-optimize.c (init_tree_optimization_passes): Add
6865         pass_mark_used_blocks.
6866         * tree-pass.h (pass_mark_used_blocks): New.
6867         * Makefile.in (tree-inline.o): Add debug.h dependency.
6868
6869 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6870
6871         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6872         VAR_DECLs to have weak_import attribute.
6873
6874         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6875         'struct ucontext'.
6876
6877 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6878
6879         * passes.c (rest_of_compilation): Don't run regmove if only
6880         flag_expensive_optimizations, require flag_regmove instead.
6881
6882 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6883
6884         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6885         register "sparc".
6886         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6887         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6888         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6889         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6890
6891 2005-01-03  Richard Henderson  <rth@redhat.com>
6892
6893         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6894         (ia64_const_ok_for_letter_p): New.
6895         (ia64_const_double_ok_for_letter_p): New.
6896         (ia64_extra_constraint): New.
6897         (ia64_expand_vecint_compare): New.
6898         (ia64_expand_vcondu_v2si): New.
6899         (ia64_expand_vecint_cmov): New.
6900         (ia64_expand_vecint_minmax): New.
6901         (ia64_print_operand): Add 'v'.
6902         (ia64_preferred_reload_class): New.
6903         (ia64_vector_mode_supported_p): New.
6904         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6905         (PREFERRED_RELOAD_CLASS): Move to function.
6906         (CONST_OK_FOR_LETTER_P): Move to function.
6907         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6908         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6909         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6910         (EXTRA_CONSTRAINT): Move to function.
6911         * config/ia64/ia64.md: Include vect.md.
6912         (itanium_class): Add mmalua.
6913         (type): Handle it.
6914         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6915         (1b_mmalua): New.
6916         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6917         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6918         CONST0_RTX.
6919         (const_int_2bit_operand): New.
6920         (fr_reg_or_0_operand): New.
6921         * config/ia64/ia64-modes.def: Add vector modes.
6922         * config/ia64/ia64-protos.h: Update.
6923         * config/ia64/vect.md: New file.
6924
6925 2005-01-03  Richard Henderson  <rth@redhat.com>
6926
6927         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6928
6929 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6930
6931         PR target/19236
6932         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6933         to SFmode.
6934         (log1pdf2): Change mode of operands[0,1] to DFmode.
6935
6936 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6937
6938         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6939         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6940         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6941         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6942         SPARC_RELAXED_ORDERING.
6943
6944 2005-01-03  Richard Henderson  <rth@redhat.com>
6945             Uros Bizjak  <uros@kss-loka.si>
6946
6947         PR target/14631
6948         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6949         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6950         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6951         handling.
6952         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6953         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6954         const_pow2_1_to_128_operand): New predicates.
6955
6956 2005-01-02  Greg McGary  <greg@mcgary.org>
6957
6958         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6959         anonymous decls.
6960         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6961         object.  [ptr_type]: Remove unused variable.
6962         Remember nearest addressable array-element or record-component
6963         when checking bitfield components.  Tolerate empty BIND_EXPR.
6964
6965 2005-01-01  Richard Henderson  <rth@redhat.com>
6966
6967         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6968         that don't narrow the value.  Fail for other conversions.
6969
6970 2005-01-01  Richard Henderson  <rth@redhat.com>
6971
6972         PR c/19031
6973         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6974         * c-lang.c (finish_file): Don't do it here.
6975         * objc/objc-act.c (objc_finish_file): Likewise.
6976
6977         * cgraph.c (decl_assembler_name_equal): New.
6978         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6979         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6980         * cgraph.h (struct cgraph_varpool_node): Add next.
6981         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6982         * varasm.c (assemble_alias): Mark the target as needed.
6983
6984 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6985
6986         PR middle-end/19221
6987         * function.c (get_arg_pointer_save_area): Use entry_of_function
6988         instead of get_insns.
6989
6990 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6991             Andrew Pinski  <pinskia@physics.uc.edu>
6992             James E. Wilson  <wilson@specifixinc.com>
6993
6994         PR rtl-optimization/12092
6995         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6996         is zero.
6997
6998 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6999             Olivier Hainque  <hainque@act-europe.fr>
7000
7001         * tree.c (int_fits_type_p): A narrower type always fits in a
7002         wider one, except for negative values into unsigned types.
7003
7004 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7005
7006         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7007         with the original constant rather than require TREE_OVERFLOW.
7008
7009 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7010
7011         PR middle-end/17544
7012         * c-decl.c (finish_function): If compiling C99, annotate the
7013         compiler generated return with the current file name and line 0.
7014         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7015         the source line is greater than 0.
7016         (remove_bb): Likewise.
7017
7018 See ChangeLog.12 for earlier changes.