gcc/ChangeLog

   1 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
   4         New functions.
   5         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
   6         Remove unused removed_phis variable.
   7         (conditional_replacement): Use build1/build2.
   8         (abs_replacement): Use last_and_only_stmt and build1/build2.
   9
  10 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
  11
  12         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
  13         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
  14         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
  15         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
  16         * c-common.c (handle_novops_attribute): New function.
  17         (c_common_attribute_table): Add "no vops" entry.
  18         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
  19         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
  20         * tree-ssa-operands.c (get_call_expr_operands): Do not
  21         create virtual operands for calls with ECF_NOVOPS flag.
  22         * tree.h (DECL_IS_NOVOPS): New macro.
  23         (struct tree_decl): Add novops_flag.
  24         (ECF_NOVOPS): New constant.
  25
  26 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
  27
  28         PR target/17688
  29         * config/i386/i386.c (x86_use_himode_fiop): New.
  30         (x86_use_simode_fiop): Rename from x86_use_fiop.
  31         * config/i386/i386.h (x86_use_himode_fiop): Declare.
  32         (TARGET_USE_HIMODE_FIOP): New.
  33         (x86_use_simode_fiop): Rename from x86_use_fiop.
  34         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
  35
  36         * config/i386/i386.md (X87MODEI12): New mode macro define.
  37         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
  38         to implement x87 FP compare with HImode input operands.
  39         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
  40         Use X87MODEI12 mode macro to handle HImode input operands.
  41         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
  42         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
  43         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
  44         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
  45         macro to implement x87 operators with HImode input operands.
  46         (fop splitters): Use X87MODEI12 mode macro to handle HImode
  47         input operands.
  48
  49 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
  50
  51         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
  52         integer_zerop.
  53         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
  54         constants invariant.
  55
  56 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
  57
  58         * basic-block.h (BB_VISITED): Removed.
  59         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
  60
  61 2005-03-14  Falk Hueffner  <falk@debian.org>
  62
  63         PR bootstrap/20424
  64         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
  65
  66 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
  67
  68         * ggc-zone.c: Fix comment typos.
  69
  70         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
  71         stringpool.c, config/mips/mips-protos.h: Update copyright.
  72
  73 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
  74
  75         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
  76         throughout with its typedef, "rtx".
  77         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
  78         (rs6000_tls_symbol_ref_1): Remove inline keyword.
  79         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
  80         regs in comment to match code.
  81
  82 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
  83
  84         * except.c (check_handled): Make it static.
  85         * except.h: Remove the corresponding prototype.
  86
  87         * function.c (get_func_frame_size): Make it static.
  88         * function.h: Remove the corresponding type.
  89
  90         * regclass.c (reg_class_superclasses, reg_class_subclasses):
  91         Make them static.
  92         * hard-reg-set.h: Remove the corresponding declarations.
  93
  94         * tree-cfg.c (verify_stmts): Check that
  95         bb_for_stmt (stmt) == bb for every PHI node and statement.
  96
  97 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
  98
  99         * config.gcc: Remove excess indentation.
 100         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
 101
 102 2005-03-13  Roger Sayle  <roger@eyesopen.com>
 103
 104         PR middle-end/19331
 105         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
 106         * fold-const.c (fold_sign_changed_comparison): Likewise.
 107         (fold_binary): Optimize comparisons against widened operands if
 108         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
 109
 110 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
 111
 112         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
 113         (sparc_override_options): Initialize it.
 114         (sparc_struct_value_rtx): Set it on the MEM to be returned.
 115
 116 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
 117
 118         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
 119         (reg_or_none500mem_operand): New predicate.
 120         (zero_reg_mem_operand): New predicate.
 121         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
 122         to reg_or_none500mem_operand.
 123         (extendsfdf2_fpr): Add MEM alternative.
 124         (extenddftf2_internal): Change operand2 predicate to
 125         zero_reg_mem_operand.
 126
 127 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 128
 129         * ggc-zone.c: Rewritten.
 130
 131         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
 132         if there are none.
 133         * configure.ac: Define GGC_ZONE for --with-gc=zone.
 134         * config.in: Regenerated.
 135         * configure: Regenerated.
 136         * gengtype.c (write_types_process_field, write_func_for_structure):
 137         Pass new argument to gt_pch_note_object.
 138         * ggc-common.c (struct ptr_data): Add TYPE.
 139         (gt_pch_note_object): Take TYPE argument and save it.
 140         (call_count): Update call to ggc_pch_count_object.
 141         (call_alloc): Update call to ggc_pch_alloc_object.
 142         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
 143         file.
 144         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
 145         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
 146         (ggc_alloc_zone_stat): Delete.
 147         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
 148         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
 149         (ggc_pch_alloc_object): Update prototypes.
 150         (garbage_zone): Delete.
 151         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
 152         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
 153         pointers.
 154         (tree_id_zone): New variable.
 155         (ggc_alloc_cleared_zone): Remove unused.
 156         (ggc_alloc_zone): Define.
 157         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
 158         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
 159         ggc_alloc_zone_stat.
 160         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
 161         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
 162         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
 163         (make_node_stat): Likewise.  Use tree_id_zone.
 164
 165 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 166             Joseph S. Myers  <joseph@codesourcery.com>
 167
 168         * configure.ac: Check for MIPS TLS.
 169         * configure: Regenerated.
 170         * config/mips/mips-protos.h (enum mips_symbol_type): Add
 171         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
 172         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
 173         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
 174         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
 175         (mips_classify_symbol, mips_symbolic_constant_p)
 176         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
 177         (mips_tls_operand_p, mips_call_tls_get_addr)
 178         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
 179         (mips_tls_symbol_ref_1): New functions.
 180         (mips_legitimize_address, mips_legitimize_const_move): Call
 181         mips_legitimize_tls_address.
 182         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
 183         for MIPS16.
 184         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
 185         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
 186         (mips_char_to_class): Document V1_REG.
 187         (HAVE_AS_TLS): Provide default.
 188         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
 189         constants.
 190         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
 191         !TARGET_ABICALLS.
 192         (tls_get_tp_<mode>): New instruction.
 193
 194 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 195
 196         * configure.ac: Update checks for target tools.
 197         * configure: Regenerated.
 198
 199 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
 200
 201         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
 202
 203 2005-03-13  Roger Sayle  <roger@eyesopen.com>
 204
 205         * expmed.c (expand_mult): Use synthetic multiplication sequences for
 206         more classes of DImode multiplication by constant.  Allow both
 207         multiplication by small negative constants (by performing a
 208         multiplication by a positive constant and negating the result) and
 209         multiplications by large powers of two, by using a left shift.
 210
 211 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
 212
 213         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
 214         of basic blocks into work_stack.
 215
 216         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
 217         config/mips/vr.h: Update copyright.
 218
 219         * c-decl.c (c_init_decl_processing): Remove useless calls to
 220         build_function_type.
 221
 222         * builtins.c (fold_trunc_transparent_mathfn,
 223         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
 224         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
 225         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
 226         fold_builtin_strcpy, fold_builtin_strncpy,
 227         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
 228         TREE_TYPE (exp).
 229
 230         * builtins.c (expand_builtin_mathfn_3): Remove local variable
 231         before_call.
 232
 233         * lambda-code.c (lambda_compute_auxillary_space): Remove local
 234         variable determinant.
 235
 236         * tree-cfg.c (group_case_labels): Remove local variable type.
 237
 238         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
 239         variable ann.
 240
 241         * tree-ssa-phiopt.c (value_replacement): Remove local variable
 242         result.
 243
 244 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
 245
 246         PR target/18251
 247         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
 248         (*movmemqi_insn): Delete.
 249         (*movmemhi): Delete.
 250
 251 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
 252
 253         * builtins.c (fold_builtin_classify): Take decomposed
 254         arguments of CALL_EXPR.
 255         (fold_builtin_1): Update a call to fold_builtin_classify.
 256
 257 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
 258
 259         PR c/20402
 260         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
 261         through into call to parser_xref_tag after parse error.
 262         (c_parser_struct_declaration): Consistently return NULL_TREE on
 263         error.
 264
 265 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
 266
 267         * tree-flow-inline.h (ref_contains_array_ref): New function.
 268         (lookup_subvars_for_var): Ditto.
 269         (get_subvars_for_var): Ditto.
 270         (var_can_have_subvars): Ditto.
 271
 272         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
 273         (struct subvar): New type.
 274
 275         * tree-dfa.c (okay_component_ref_for_subvars): New function.
 276
 277         * tree-optimize.c (init_tree_optimization_passes): Call
 278         pass_create_structure_vars.
 279
 280         * tree-ssa-alias.c: Include vec.h.
 281         (init_alias_info): Don't auto-clear call clobbered on struct-field
 282         tags.
 283         (compute_flow_insensitive_aliasing): Handle subvars.
 284         (group_aliases): Handle STRUCT_FIELD aliases.
 285         (setup_pointers_and_addressables): Ditto.
 286         Don't mark variables non-addressable if they still have
 287         addressable subvars.
 288         Also mark subvars addressable when the real variable is marked
 289         addressable.
 290         (add_pointed_to_var): Try to prune the pointed-to set by only
 291         pointing to subvars when possible.
 292         Otherwise, make sure we set addresses_needed and pt_vars to
 293         properly include subvars.
 294         (bitpos_of_field): New function.
 295         (push_fields_onto_fieldstack): Ditto.
 296         (get_or_create_used_part_for): Ditto.
 297         (create_overlap_variables_for): Ditto.
 298         (find_used_portions): Ditto.
 299         (create_structure_vars): Ditto.
 300         (pass_create_structure_vars): New structure.
 301
 302         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
 303         (get_expr_operands): Handle subvars.  Also try to turn
 304         COMPONENT_REF accesses into must-defs now that we can accurately
 305         portray it.
 306         (note_addressable): Try to only mark as addressable those subvars
 307         we know a COMPONENT_REF touches.
 308         (overlap_subvar): New function.
 309
 310         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
 311         Handle subvar storing.
 312         (vect_address_analysis): Update caller of vect_object_analysis.
 313
 314         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
 315
 316         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
 317         (STMT_VINFO_SUBVARS): New macro.
 318
 319         * common.opts: add flag_tree_salias.
 320
 321         * opts.c (decode_options): flag_tree_salias defaults to on.
 322
 323         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
 324
 325         * doc/tree-ssa.texi: Document structural alias analysis.
 326
 327 2005-03-12  Steven Bosscher  <stevenb@suse.de>
 328
 329         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
 330         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
 331         * tree-ssa-operands.c (get_expr_operands): Likewise.
 332         (get_expr_operands): Likewise for ERROR_MARK.
 333
 334 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
 335
 336         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
 337         var.
 338
 339         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
 340         removed_phis.
 341
 342         * tree-ssa-pre.c (compute_avail): Remove local variable val.
 343         (mark_operand_necessary): Remove local variable ver.
 344
 345         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
 346         variable prefix_len.
 347
 348         * value-prof.c (mod_subtract_transform): Remove local variable
 349         value.
 350
 351         * builtins.c (fold_builtin_exponent): Take decomposed
 352         arguments of CALL_EXPR.
 353         (fold_builtin_1): Update a call to fold_builtin_exponent.
 354
 355         * builtins.c (fold_builtin_logarithm): Take decomposed
 356         arguments of CALL_EXPR.
 357         (fold_builtin_1): Update a call to fold_builtin_logarithm.
 358
 359         * c-decl.c (c_init_decl_processing): Remove local variables
 360         ptr_ftype_void and ptr_ftype_ptr.
 361
 362         * gimplify.c (gimplify_expr): Remove local variables r0 and
 363         r1.
 364
 365         * reg-stack.c (move_for_stack_reg): Remove local variable
 366         push_insn.
 367         (compare_for_stack_reg): Remove local variable flags_user.
 368         (convert_regs_1): Remove local variable deleted.
 369
 370         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
 371         variable new_cond.
 372         (combine_blocks): Remove local variables exits and new_e.
 373
 374         * tree-inline.c (expand_call_inline): Remove local variable
 375         decl.
 376
 377         * tree-ssa-live.c (create_ssa_var_map,
 378         calculate_live_on_entry): Remove local variable snn.
 379
 380 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
 381
 382         * c-lex.c (c_lex_with_flags): Add parameter to call to
 383         cpp_spell_token.
 384
 385 2005-03-11  Per Bothner  <per@bothner.com>
 386
 387         * c-tree.h (struct c_declarator): New id_loc field.
 388         * c-pragma.h (c_lex_with_flags): Take position reference.
 389         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
 390         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
 391         (c_lex): Pass dummy location to c_lex_with_flags.
 392         * c-parser.c (c_lex_one_token): Set c_token's location using
 393         c_lex_with_flags, instead of input_location, which might be "ahead".
 394         (c_parser_direct_declarator): Set declarator's id_loc from
 395         c_token's id_loc.
 396         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
 397         declarator's id_loc, rather than probably-imprecise input_location.
 398         (build_id_declarator): Initialize c_declarator's id_loc field.
 399
 400 2005-03-11  Roger Sayle  <roger@eyesopen.com>
 401
 402         PR middle-end/20419
 403         * builtins.c (expand_builtin_signbit): Force the signbit's word
 404         into an integer register to avoid SUBREGs of floating point modes.
 405
 406 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
 407
 408         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
 409         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
 410         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
 411         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
 412
 413 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
 414
 415         PR rtl-optimization/20306
 416         * expr.c (emit_move_complex): Set try_int false if mode is
 417         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
 418         emit_block_move if try_int is true.
 419
 420 2005-03-11  Richard Henderson  <rth@redhat.com>
 421
 422         PR target/20415
 423         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
 424         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
 425         to match.
 426
 427 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
 428
 429         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
 430         (TARGET_FIX_VR4130): New macro.
 431         (TARGET_OPTIONS): Add -mfix-vr4130.
 432         (ISA_HAS_MACCHI): New macro.
 433         (ASM_SPEC): Add -mfix-vr4130.
 434         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
 435         (override_options): Handle mips_fix_vr4130_string.
 436         (mips_avoid_hazards): Clear all_noreorder_p
 437         if we're working around VR4130 errata and the macc alternatives
 438         are not available.
 439         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
 440         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
 441         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
 442         (MULTILIB_DEFAULTS): Remove leading "march=".
 443         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
 444         if no architecture option is given.
 445         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
 446         VR4130 multilibs.
 447         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
 448         * doc/invoke.texi: Document -mfix-vr4130.
 449
 450 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
 451
 452         * config/mips/mips.c (override_options): Only warn about -mint64
 453         deprecation if TARGET_INT64.
 454
 455 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 456
 457         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
 458         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
 459         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
 460         are non-specific regarding the nonnull parameter positions.
 461         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
 462         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
 463         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
 464         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
 465
 466         * builtins.def: Use the non-specific "nonnull" attibute lists.
 467
 468 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
 469
 470         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
 471         single_pred_edge, single_succ, single_pred): Improve comments.
 472
 473 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
 474
 475         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
 476         single_pred_edge, single_succ, single_pred): New inline functions.
 477         * bb-reorder.c (rotate_loop, find_traces_1_round,
 478         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
 479         duplicate_computed_gotos): Use the single_succ/pred functions.
 480         * cfganal.c (forwarder_block_p): Ditto.
 481         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
 482         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
 483         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
 484         merge_seq_blocks): Ditto.
 485         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
 486         * cfglayout.c (fixup_reorder_chain): Ditto.
 487         * cfgloop.c (mark_single_exit_loops, update_latch_info,
 488         canonicalize_loop_headers, verify_loop_structure): Ditto.
 489         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
 490         mfb_update_loops, create_preheader, force_single_succ_latches,
 491         create_loop_notes): Ditto.
 492         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
 493         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
 494         commit_one_edge_insertion, purge_dead_edges,
 495         cfg_layout_can_merge_blocks_p): Ditto.
 496         * except.c (sjlj_emit_function_enter): Ditto.
 497         * flow.c (init_propagate_block_info): Ditto.
 498         * function.c (thread_prologue_and_epilogue_insns): Ditto.
 499         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
 500         insert_insn_end_bb): Ditto.
 501         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
 502         find_if_case_2): Ditto.
 503         * lambda-code.c (perfect_nestify): Ditto.
 504         * lcm.c (optimize_mode_switching): Ditto.
 505         * loop-doloop.c (doloop_modify): Ditto.
 506         * loop-init.c (loop_optimizer_init): Ditto.
 507         * loop-iv.c (simplify_using_initial_values): Ditto.
 508         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
 509         * loop-unswitch.c (unswitch_loop): Ditto.
 510         * modulo-sched.c (generate_prolog_epilog): Ditto.
 511         * predict.c (combine_predictions_for_insn, estimate_probability,
 512         tree_estimate_probability, last_basic_block_p,
 513         estimate_bb_frequencies): Ditto.
 514         * profile.c (branch_prob): Ditto.
 515         * regrename.c (copyprop_hardreg_forward): Ditto.
 516         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
 517         * tracer.c (layout_superblocks): Ditto.
 518         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
 519         cfg_remove_useless_stmts_bb, cleanup_control_flow,
 520         cleanup_control_expr_graph, disband_implicit_edges,
 521         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
 522         tree_verify_flow_info, tree_make_forwarder_block,
 523         tree_forwarder_block_p, remove_forwarder_block,
 524         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
 525         * tree-if-conv.c (tree_if_conversion): Ditto.
 526         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
 527         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
 528         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
 529         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
 530         copy_loop_headers): Ditto.
 531         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
 532         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
 533         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
 534         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
 535         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
 536         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
 537         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
 538         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
 539         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
 540         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
 541         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
 542         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
 543         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
 544         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
 545         slpeel_add_loop_guard): Ditto.
 546
 547 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
 548
 549         PR tree-optimization/15784
 550         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
 551         and -1 - A to ~A.
 552
 553         * stmt.c (expand_case): Don't change index_type.  Convert minval
 554         to the proper type.
 555
 556         PR tree-optimization/20130
 557         * fold-const.c (fold): Fold x * -1 into -x.
 558
 559 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
 560
 561         PR rtl-optimization/20331
 562         * rtlanal.c (modified_between_p): Check its address first for MEM.
 563         (modified_in_p): Likewise.
 564
 565 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
 566
 567         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
 568
 569 2005-03-10  Steven Bosscher  <stevenb@suse.de>
 570
 571         * expr.c (expand_expr_real_1): If possible, use a conditional
 572         move for expanding MIN_EXPR and MAX_EXPR.
 573         Use temp for moving around rtx-en.
 574
 575 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
 576
 577         PR rtl-opt/20412
 578         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
 579         correct mode.
 580
 581 2005-03-10  Roger Sayle  <roger@eyesopen.com>
 582
 583         * builtins.c (expand_builtin_signbit): Extend to handle floating
 584         point modes wider than the largest integer type, using the
 585         operand_subword_force function to obtain the signbit's word.
 586
 587 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
 588
 589         PR target/20322
 590         * combine.c (try_combine): If recog_for_combine added CLOBBERs
 591         to NEWI2PAT, fail to combine if they are used by NEWPAT.
 592
 593 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
 594
 595         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
 596
 597 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
 598
 599         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
 600         type void.
 601         (perform_edge_inserts): Unconditionally call
 602         free_dominator_info.
 603
 604         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
 605
 606 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
 607
 608         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
 609
 610 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
 611
 612         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
 613
 614         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
 615         gcc_unreachable.
 616         (rtl_register_value_prof_hooks,
 617         tree_value_profile_transformations,
 618         tree_register_value_prof_hooks): Likewise.
 619         * var-tracking.c (stack_adjust_offset_pre_post,
 620         variable_htab_free, variable_union, dataflow_set_different_2,
 621         count_uses, variable_was_changed, set_frame_base_location,
 622         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
 623         vt_add_function_parameters): Likewise.
 624         * varasm.c (named_section_real, named_section, make_decl_rtl,
 625         asm_emit_uninitialised, assemble_integer, decode_addr_const,
 626         const_hash_1, compare_constant, copy_constant, force_const_mem,
 627         output_constant_pool_2, output_constant_pool_1, output_constant,
 628         output_constructor, make_decl_one_only, decl_tls_model,
 629         default_no_named_section, default_elf_select_section_1,
 630         default_unique_section_1): Likewise.
 631         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
 632         * vmsdbgout.c (addr_const_to_string): Likewise.
 633
 634         PR c++/20375
 635         * function.c (struct assign_parm_data_one): Remove last_named
 636         field.
 637         (assign_parm_find_data_types): Don't determine last_named.
 638         Reorder named_parm determination.
 639         (assign_parms): Only setup varargs on the last non-varadic
 640         parameter.
 641
 642 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
 643
 644         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
 645         sda base address on medium model.
 646
 647 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
 648
 649         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
 650         * cfgloop.c (flow_loop_nodes_find): Export.
 651         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
 652         Declare.
 653         * cfgloopmanip.c (fix_loop_structure): New function.
 654         * predict.c (predict_loops): Clean up the loops information.
 655         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
 656         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
 657         loop structure.
 658         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
 659         (rewrite_into_loop_closed_ssa): Declaration changed.
 660         * tree-loop-linear.c (linear_transform_loops): Add argument to
 661         rewrite_into_loop_closed_ssa call.
 662         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
 663         * tree-ssa-loop-im.c (move_computations): Ditto.
 664         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
 665         * tree-vectorizer.c (vectorize_loops): Ditto.
 666         * tree-optimize.c: Include cfgloop.h.
 667         (execute_todo): Choose whether to call cleanup_tree_cfg or
 668         cleanup_tree_cfg_loop.
 669         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
 670         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
 671         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
 672         cleanup_tree_cfg_loop call.
 673         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
 674         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
 675         work on part of cfg.
 676
 677 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
 678
 679         PR inline-asm/20314
 680         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
 681         with multiple alternatives.
 682
 683         * stmt.c (parse_output_constraint): Fix a typo.
 684
 685 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
 686
 687         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
 688         assembly directive instead of deprecated "no-generics".
 689
 690 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
 691
 692         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
 693         for non-offsettable memory references to cope with outstanding reload
 694         replacements.
 695         * config/s390/s390.md ("reload_outti"): Call find_replacement to
 696         avoid losing outstanding address reloads.
 697         ("reload_outdi", "reload_outdf"): Likewise.
 698
 699 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 700
 701         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
 702         code.  Add more cbrt transformations.
 703
 704 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 705
 706         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
 707
 708 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 709
 710         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
 711         NULL_TREE when a given tree is not simplified.
 712         (fold): Return the original tree when any of the functions
 713         mentioned above NULL_TREE.
 714
 715         * fold-const.c (fold_unary, fold_binary): Take decomposed
 716         arguments, code, type, op0, and op1 in case of fold_binary.
 717         (fold): Update calls to fold_unary and fold_binary.
 718
 719 2005-03-09  Roger Sayle  <roger@eyesopen.com>
 720
 721         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
 722         a fndecl and an arglist instead of a CALL_EXPR, exp.
 723
 724 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
 725
 726         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
 727
 728         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
 729
 730         * expr.c (expand_assignment): Remove orig_to_rtx.
 731
 732         * fold-const.c (int_const_binop): Remove no_overflow.
 733
 734         * ifcvt.c (noce_emit_move_insn): Remove inmode.
 735
 736         * loop-iv.c (get_biv_step_1): Remove lhs.
 737
 738         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
 739
 740         * real.c (real_nan): Remove neg.
 741
 742         * function.c (thread_prologue_and_epilogue_insns): Remove i
 743         and newinsn.
 744
 745         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
 746         tb.
 747
 748         * tree-eh.c (tree_could_trap_p): Remove idx.
 749
 750         * tree-into-ssa.c (ann): Remove ann.
 751
 752         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
 753
 754         * tree-sra.c (decide_block_copy): Remove inst_count.
 755
 756         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
 757
 758         * tree-ssa-loop-im.c (lhs): Remove.
 759
 760         * cfgbuild.c (state, STATE, SET_STATE,
 761         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
 762         make_edges.
 763         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
 764         (find_basic_blocks): Set the state of each basic block to
 765         BLOCK_NEW.
 766
 767 2005-03-08  Jeff Law  <law@redhat.com>
 768
 769         * tree-cfg.c (cleanup_control_flow): If removal of a computed
 770         goto results in the removal of edges in the CFG, then we need
 771         to recompute dominators.
 772
 773 2005-03-09  Ben Elliston  <bje@au.ibm.com>
 774
 775         * c-common.c (c_do_switch_warnings): Comment fix.
 776
 777 2005-03-08  Julian Brown  <julian@codesourcery.com>
 778
 779         * Patch from 2005-03-08 reverted for causing regressions and
 780         ppc-darwin bootstrap failure.
 781
 782 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
 783
 784         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
 785         Define the real function for ppc-darwin.
 786         * c-typeck.c (convert_arguments): Check for target-specific
 787         invalid argument call to unprototyped function.
 788         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
 789         New Macro.
 790         * target.h (invalid_arg_for_unprototyped_fn): New field
 791         in struct calls.
 792         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
 793         default target hook.
 794         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
 795         Declare.
 796
 797 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 798
 799         * c-typeck.c (constructor_stack, constructor_range_stack,
 800         initializer_stack): Make them static.
 801
 802         * cfg.c (rbi_pool): Make it static.
 803
 804         * gimple-low.c (lower_stmt_body): Make it static.
 805         * tree-flow.h: Remove the corresponding prototype.  Don't
 806         declare lower_data.
 807
 808         * sched-deps.c (cache_size): Make it static.
 809
 810         * stor-layout.c (lang_adjust_rli): Make it static.
 811
 812 2005-03-08  Julian Brown  <julian@codesourcery.com>
 813
 814         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 815         from being used for symbols with vague linkage when
 816         HAVE_GAS_COMDAT_GROUP is true.
 817
 818 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
 819
 820         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
 821         nlabel == JUMP_LABEL (jump).
 822
 823 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 824
 825         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
 826         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
 827         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
 828         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
 829
 830 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
 831
 832         PR c/14411
 833         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
 834         * c-common.c (handle_returns_twice): New function.
 835         (c_common_attribute_table): Declare eturns_twice' attribute.
 836         * doc/extend.texi: Document eturns_twice' attribute.
 837         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
 838         (struct tree_decl): Add returns_twice_flag.
 839
 840 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 841
 842         * tree-ssa-phiopt.c: Fix a comment typo.
 843
 844         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
 845         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
 846         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
 847         copyright.
 848
 849 2005-03-08  Richard Henderson  <rth@redhat.com>
 850
 851         * config/alpha/alpha.c (code_for_builtin): Replace special-case
 852         builtin codes with ctzdi2, clzdi2, popcountdi2.
 853         (struct alpha_builtin_def): Add is_const.
 854         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
 855         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
 856         (alpha_init_builtins): Init them.  Set nothrow and const attributes
 857         on builtins.
 858         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
 859         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
 860         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
 861         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
 862         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
 863         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
 864         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
 865         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
 866         (TARGET_FOLD_BUILTIN): New.
 867         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
 868         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
 869         (ffsdi2): Use ctz.
 870         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
 871
 872 2005-03-08  Ira Rosen  <irar@il.ibm.com>
 873
 874         PR tree-optimization/20122
 875         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
 876         condition of access function instead of base.
 877
 878 2005-03-07  Jeff Law  <law@redhat.com>
 879             Steven Bosscher  <stevenb@suse.de>
 880
 881         * tree-cfg.c (find_taken_edge_computed_goto): New function.
 882         (find_taken_edge): Call find_taken_edge_computed_goto as
 883         appropriate.  Allow any gimple invariant rather than just
 884         INTEGER_CST for VAL.
 885         (cleanup_control_flow): Cleanup a computed goto which has turned
 886         into a simple goto.
 887         (tree_merge_blocks): If block B has any forced labels, move
 888         them to the start of block A.
 889         * tree-ssa-dom.c (thread_across_edge): Allow threading across
 890         computed gotos as well.
 891         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
 892         removal of unnecessary computed gotos too.
 893         (lookup_redirection_data): Fix type of INSERT argument.  Callers
 894         updated.
 895
 896 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
 897
 898         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
 899         Remove trailing spaces.
 900
 901         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
 902         unshare_all_trees): Make them static.
 903         * tree-gimple.h: Remove the corresponding prototypes.
 904
 905         * diagnostic.h: Remove unused prototype
 906         debug_output_buffer.
 907         * modulo-sched.c: Remove unused prototype
 908         set_row_column_for_ps.
 909
 910         * tree-ssa-phiopt.c (tree_ssa_phiopt,
 911         replace_phi_edge_with_variable): Remove unused variable i.
 912
 913 2005-03-07  Per Bothner  <per@bothner.com>
 914
 915         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
 916
 917 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
 918
 919         PR tree-opt/17671
 920         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
 921         bbs on the COND_EXPR instead of the PHI_NODEs.
 922         (candidate_bb_for_phi_optimization): Remove.
 923         (replace_phi_with_stmt): Rename to ...
 924         (replace_phi_edge_with_variable): this and change so that we
 925         replace the phi argument instead of removing the PHI.
 926         (conditional_replacement): Change so we deal with PHI with more
 927         than two arguments.
 928         (value_replacement): Likewise.
 929         (abs_replacement): Likewise.
 930
 931 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
 932
 933         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
 934         output_e500_flip_gt_bit.
 935
 936         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
 937         as bit 31.
 938         (rs6000_generate_compare): Fix logic to look at the correct bits.
 939         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
 940         Look at GT bit.
 941         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
 942         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
 943         gen_move_from_CR_gt_bit.
 944
 945         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
 946         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
 947         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
 948
 949         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
 950         (E500_CR_IOR_COMPARE): New constant.
 951
 952 2005-03-08  Earl Chew <earl_chew@agilent.com>
 953             David Billinghurst <David.Billinghurst@riotinto.com>
 954
 955         * config/i386/host-cygwin.c: New file to support precompiled
 956         headers on cygwin
 957         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
 958         * config.host: Use above files for cygwin host.
 959
 960 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
 961
 962         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
 963         ordering ops from earlier change.
 964
 965 2005-03-07  Per Bothner  <per@bothner.com>
 966
 967         Various fixes to allow us to again build if --enable-mapped-location:
 968         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
 969         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
 970         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
 971         local variable loc. Change logic appropriately.
 972         * tree-vect-transform.c (vect_finish_stmt_generation): Use
 973         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
 974         * c-parser.c (c_parser_for_statement): Initialize loc variable.
 975         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
 976         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
 977
 978 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
 979
 980         PR rtl-optimization/19683
 981         * reload1.c (choose_reload_regs): Pass the number of bits, not the
 982         number of bytes, to smallest_int_for_mode.  Fix arguments to
 983         REG_CANNOT_CHANGE_MODE_P.
 984
 985 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
 986
 987         * reorg.c (relax_delay_slots): Check that the jump is
 988         conditional before trying to invert it.
 989
 990 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
 991
 992         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
 993         Make them static.
 994
 995         * calls (stack_arg_under_construction): Make it static.
 996
 997         * flow.c (regs_live_at_setjmp): Make it static.
 998         * flow.h: Remove the corresponding prototype.
 999
1000         * reload1.c (reload_startobj, reload_firstobj,
1001         something_needs_operands_changed, reload_inherited,
1002         reload_inheritance_insn, reload_override_in,
1003         reload_spill_index): Make them static.
1004
1005         * recog.c (verify_changes): Make it static.
1006         * recog.h: Remove the corresponding prototype.
1007
1008         * cfgbuild.c (find_sub_basic_blocks): Remove.
1009         * basic-block.h: Remove the corresponding prototype.
1010         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1011         in comments.
1012         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1013
1014         * tree-ssa-operands.c (check_build_stmt): Remove.
1015
1016         * stor-layout.c (set_alignment): Remove.
1017         * tree.h: Remove the corresponding prototype.
1018
1019         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1020
1021         * tree-ssa-dce.c (control_dependence_map,
1022         visited_control_parents): Make them static.
1023
1024         * cfghooks.c (verify_flow_info): Remove local variable
1025         num_bb_notes.
1026
1027         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1028         last_bb_seen.
1029
1030         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1031
1032 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1033
1034         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1035
1036 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1037
1038         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1039         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1040         PARALLEL for an empty structure.
1041
1042 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1043
1044         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1045
1046         * fold-const.c (fold_binary): Unroll the very first "for"
1047         loop.
1048
1049 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1050
1051         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1052         redundant match_code test.
1053         (scc_comparison_operator): Swap match_operand and match_code
1054         tests.
1055         (branch_positive_comparison_operator): Same.
1056         (trap_comparison_operator): Use comparison_operator and swap with
1057         match_code test.
1058
1059 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1060
1061         PR target/20288
1062         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1063         (out_movhi_r_mr): Read low byte of volatile MEM first.
1064         (out_movhi_mr_r): Write high byte of volatile MEM first.
1065
1066 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1067
1068         * cselib.c (reg_values, reg_values_size): Make them static.
1069
1070         * cse.c (cse_reg_info_table): Make it static.
1071
1072         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1073
1074 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1075
1076         * cse.c (find_best_addr): Use canon_for_address.
1077
1078 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1079
1080         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1081         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1082         SUBREG and MEM, respectively.
1083
1084         * fold-const.c (fold_binary): Use code instead of t.
1085
1086         * fold-const.c (optimize_minmax_comparison): Take decomposed
1087         arguments code, type, op0, and op1 instead of t.
1088         (fold_binary): Update a call to optimize_minmax_comparison.
1089
1090         * fold-const.c (fold_range_test): Take decomposed arguments
1091         code, type, op0, and op1 instead of t.
1092         (fold_binary): Update a call to fold_range_test.
1093
1094         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1095         decomposed arguments code, type, op0, and op1 instead of t.
1096         (fold_binary): Update a call to fold_range_test.
1097
1098 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1099
1100         * fold-const.c (fold_binary): Avoid directly using the original
1101         expression t as much as possible.
1102
1103 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1104
1105         * c-semantics.c (build_stmt): Use TYPE_P instead of
1106         IS_NON_TYPE_CODE_CLASS.
1107         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1108         (NON_TYPE_CHECK): Use TYPE_P instead of
1109         IS_NON_TYPE_CODE_CLASS.
1110
1111         * fold-const.c (fold): Remove handling of binary expressions.
1112
1113 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1114
1115         * doc/c-tree.texi: Wrap comments in @r{}.
1116         * doc/cpp.texi: Likewise.
1117         * doc/cppinternals.texi: Likewise.
1118         * doc/extend.texi: Likewise.
1119         * doc/md.texi: Likewise.
1120         * doc/objc.texi: Likewise.
1121         * doc/sourcebuild.texi: Likewise.
1122         * doc/tm.texi: Likewise.
1123         * doc/tree-ssa.texi
1124
1125 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1126
1127         * predict.c (apply_return_prediction): Standardize PHI chain
1128         walking.
1129         * tree-ssa.c (ssa_redirect_edge): Likewise.
1130
1131         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1132         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1133         Update copyright.
1134
1135         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1136         * tree-flow.h: Adjust the prototype for remove_phi_node.
1137         * lambda-code.c (perfect_nestify): Adjust a call to
1138         remove_phi_node.
1139         * tree-cfg.c
1140         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1141         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1142         Likewise.
1143         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1144         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1145         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1146         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1147
1148         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1149         of GEN_INT (trunc_int_for_mode (...)).
1150         * loop-iv.c (iv_number_of_iterations): Likewise.
1151         * postreload.c (reload_cse_move2add): Likewise.
1152         * simplify-rtx.c (simplify_const_unary_operation,
1153         simplify_const_binary_operation): Likewise.
1154         * stor-layout.c (get_mode_bounds): Likewise.
1155
1156         * fold-const.c (fold_binary): New.
1157         (fold): Call fold_binary on binary expressions.
1158
1159 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1160
1161         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1162         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1163         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1164         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1165         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1166
1167 2005-03-04  Devang Patel  <dpatel@apple.com>
1168
1169         PR tree-optimization/18815
1170         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1171         loops with zero exit edges.
1172
1173 2005-03-04  Devang Patel  <dpatel@apple.com>
1174
1175         * doc/invoke.texi: Remove reference to webpage that does not exist.
1176
1177 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1178             Joseph S. Myers  <joseph@codesourcery.com>
1179
1180         PR c++/19797
1181         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1182         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1183         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1184         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1185         maybe_get_identifier instead of get_identifier.
1186         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1187         (struct deferred_plabel): Replace name field with symbol field.
1188         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1189         ASM_OUTPUT_EXTERNAL_REAL is defined.
1190         (output_global_address): Use output_addr_const for output of all
1191         symbol_refs.
1192         (output_deferred_plabels): Use symbol_ref instead of name for address
1193         output.
1194         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
1195         ASM_OUTPUT_SYMBOL_REF): New macros.
1196         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
1197         comment.
1198         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
1199         label.
1200
1201 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
1202
1203         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
1204         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
1205
1206 2005-03-04  Jeff Law  <law@redhat.com>
1207
1208         * basic-block.h (rediscover_loops_after_threading): Declare.
1209         * tree-ssa-dom.c: Include cfgloop.h.
1210         (tree_ssa_dominator_optimize): Discover loops and some basic
1211         properties.  Remove forwarder blocks recreated by loop header
1212         canonicalization.  Also mark backedges in the CFG.
1213         * tree-ssa-threadupdate.c: Include cfgloop.h
1214         (rediscover_loops_after_threading): Define.
1215         (struct local_info): New field, JUMP_THREADED.
1216         (prune_undesirable_thread_requests): New function.
1217         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
1218         then record that fact for the callers of redirct_edges.
1219         (thread_block): If BB has incoming backedges, then call
1220         prune_undesirable_thraed_requests.    Note when we are
1221         going to have to rediscover loop information.  Return a
1222         boolean indicating if any jumps were threaded.
1223         (thread_through_all_blocks): Bubble up boolean indicating
1224         if any jumps were threaded.
1225         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
1226         (tree-ssa-threadupdate.o): Similarly.
1227
1228 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1229
1230         * fold-const.c (fold_ternary): Unroll the "for" loop to
1231         extract operands.
1232
1233 2005-03-04  Andrew Haley  <aph@redhat.com>
1234
1235         * unwind-dw2-fde-glibc.c (struct
1236         unw_eh_callback_data.check_cache): New field.
1237         (frame_hdr_cache): New.
1238         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
1239         Cache frame header info.
1240
1241 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
1242
1243         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
1244         (print_c_condition): Declare.
1245         * read-rtl.c (ptr_loc): New structure.
1246         (ptr_locs, ptr_loc_obstack, joined_conditions)
1247         (joined_conditions_obstack): New variables.
1248         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
1249         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
1250         (join_c_conditions, print_c_condition): New functions.
1251         (apply_macro_to_string): Associate the new string with the same
1252         source location as the old one.
1253         (add_condition_to_string): Use join_c_conditions.
1254         (read_string): Use set_rtx_ptr_loc to record a filename and line
1255         number for the string.
1256         (read_rtx): Initialize the new variables above.
1257         * genattrtab.c (write_test_expr, write_attr_value): Use
1258         print_c_condition.
1259         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
1260         comment above the GCC_VERSION check.
1261         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
1262         Inline the definition of MAYBE_EVAL.
1263         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
1264         * genoutput.c (process_template): Likewise.
1265         * genpreds.c (write_predicate_subfunction): Likewise.
1266         (write_predicate_expr): Use print_c_condition.
1267         * genrecog.c (write_cond): Likewise.
1268         * gensupport.c (process_rtx): Use join_c_conditions to join the
1269         conditions of a define_insn_and_split.  Record a source location
1270         for the string after the "&&".
1271         (alter_test_for_insn): Use join_c_conditions.
1272
1273 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
1274
1275         Revert for now:
1276         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1277         PR tree-optimization/15784
1278         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1279         and -1 - A to ~A.
1280
1281 2005-03-04  Ben Elliston  <bje@au.ibm.com>
1282
1283         * gcc.c (option_map): Add --coverage.
1284         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
1285         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
1286         * config/darwin.h: Pass -lgcov for `coverage'.
1287         * doc/invoke.texi (Debugging Options): Document --coverage.
1288
1289 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1290
1291         * gcse.c (bypass_block): Use find_edge wherever possible.
1292
1293 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
1294
1295         Fix PR debug/20253
1296
1297         * c-opts.c (c_common_parse_file): Call start_source_file
1298         and end_source_file at the approriate times.
1299
1300         * dwarf2out.c (dwarf2out_finish): Don't auto-end
1301         the main file, it will be done for us now.
1302
1303 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
1304
1305         * fold-const.c (fold_ternary): New.
1306         (fold): Call fold_ternary on ternary expressions.  Remove
1307         handling of ternary expressions.
1308
1309 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
1310
1311         PR tree-optimization/15784
1312         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1313         and -1 - A to ~A.
1314
1315 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
1316
1317         * config/rs6000/predicates.md (branch_comparison_operator):
1318         Convert from C block to conditional format.
1319
1320 2005-03-03  Jan Hubicka  <jh@suse.cz>
1321
1322         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
1323         and non-constant public variables.
1324
1325 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
1326
1327         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
1328         with LABEL_EXPR.
1329
1330         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
1331         EDGE_I.
1332
1333         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
1334         calls to release_ssa_name and release_phi_node.
1335
1336         * fold-const.c (fold): Remove handling of unary expressions.
1337
1338         * fold-const.c (fold_unary): Avoid directly using the original
1339         expression t as much as possible.
1340
1341 2005-03-03  Roger Sayle  <roger@eyesopen.com>
1342             Andrew Pinski  <pinskia@physics.uc.edu>
1343
1344         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
1345         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
1346
1347 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
1348
1349         Describe special registers SRP and MOF as allocatable registers.
1350         * config/cris/cris.c (cris_md_asm_clobbers): New function.
1351         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
1352         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
1353         TARGET_HAS_MUL_INSNS.
1354         (cris_print_operand) <case 'd'>: New case.
1355         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
1356         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
1357         define.
1358         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
1359         (REG_ALLOC_ORDER): Update for MOF.
1360         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
1361         SPECIAL_REGS.
1362         (GENERAL_REGS): No longer a define of ALL_REGS.
1363         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
1364         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1365         Adjust accordingly.
1366         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
1367         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
1368         (SECONDARY_RELOAD_CLASS): Define.
1369         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
1370         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
1371         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
1372         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
1373         (REGISTER_MOVE_COST): Define.
1374         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
1375         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
1376         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
1377         (CRIS_MOF_REGNUM): New define_constants.
1378         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
1379         special registers.
1380         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
1381         New patterns.
1382         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
1383         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
1384         Adjust for MOF being properly described as a register.
1385         (indir_to_reg_split): Name this split.  Conditionalize on the
1386         destination register being a general register.
1387         (movei): Conditionalize on on operands 0 and 1 having the same
1388         register class.
1389
1390 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
1391
1392         PR target/20277
1393         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
1394         -mcpu to override any other explicitly given flags.
1395
1396 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
1397
1398         * recog.c (verify_changes, confirm_change_group): New functions,
1399         broken out of apply_change_group.
1400         (apply_change_group): Use them.
1401         * recog.h (verify_change, confirm_change_group): Declare.
1402         * rtl.h (redirect_jump_2): Declare.
1403         * jump.c (redirect_exp, invert_exp): Delete.
1404         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
1405         (redirect_jump_2): New function, broken out of redirect_jump.
1406         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
1407         (invert_jump): Use invert_jump_1 and redirect_jump_2.
1408         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
1409
1410 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
1411
1412         * varasm.c (named_section): Use xstrdup rather than doing it by
1413         hand.
1414
1415         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
1416
1417 2005-03-02  Devang Patel  <dpatel@apple.com>
1418
1419         Undo PR tree-optimization/18815 fix.
1420
1421 2005-03-02  Devang Patel  <dpatel@apple.com>
1422
1423         PR tree-optimization/18815
1424         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1425         loops with zero exit edges.
1426
1427 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1428
1429         * cfg.c (connect_src, connect_dest, disconnect_src,
1430         disconnct_dest): New.
1431         (unchecked_make_edge, remove_edge, redirect_edge_succ,
1432         redirect_edge_pred): Use the new functions.
1433
1434         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1435         free_dominance_info only when needed.
1436
1437 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
1438
1439         PR target/20276
1440         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
1441         (reg_or_sub_cint64_operand): Same.
1442
1443 2005-03-02  Jeff Law  <law@redhat.com>
1444
1445         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
1446         CFG_ALTERED in the main DOM iteration loop.
1447
1448 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
1449
1450         PR c++/19916
1451         * varasm.c (initializer_constant_valid_p): Allow conversions
1452         between OFFSET_TYPEs.  Tidy.
1453
1454 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
1455
1456         * config/cris/cris.md ("return"): Remove epilogue delay list
1457         sanity check.
1458
1459 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
1460
1461         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
1462         for Thumb.
1463         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
1464
1465 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
1466
1467         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
1468         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
1469         config/m68k/m68k.c, config/mips/mips.h,
1470         config/rs6000/rs6000-protos.h, doc/contrib.texi,
1471         doc/include/gcc-common.texi: Update copyright.
1472
1473         PR middle-end/18029 and PR middle-end/18030
1474         * expr.c (optimize_bitfield_assignment_op): Add a special case
1475         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
1476
1477         * fold-const.c (fold_unary): New.
1478         (fold): Call fold_unary on unary expressions.
1479
1480 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
1481
1482         * cgraph.h (struct cgraph_edge): Add prev_caller and
1483         prev_callee fields.
1484         (cgraph_node_remove_callees): Export.
1485         * cgraph.c (cgraph_create_edge): Initialize prev_caller
1486         and prev_callee.
1487         (cgraph_edge_remove_callee): New function.
1488         (cgraph_edge_remove_caller): Likewise.
1489         (cgraph_remove_edge): Use.
1490         (cgraph_redirect_edge_callee): Likewise.
1491         (cgraph_node_remove_callees): New function.
1492         (cgraph_node_remove_callers): Likewise.
1493         (cgraph_remove_node): Use.
1494         * tree-optimize.c (tree_rest_of_compilation): Use
1495         cgraph_node_remove_callees instead of manual loop.
1496         * cgraphunit.c (cgraph_finalize_function): Likewise.
1497         (cgraph_expand_function): Likewise.
1498         (cgraph_remove_unreachable_nodes): Likewise.
1499
1500 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
1501
1502         PR c/8927
1503         * c-tree.h (undeclared_variable, build_external_ref): Add extra
1504         argument.
1505         * c-decl.c (undeclared_variable): Take location as argument.
1506         * c-typeck.c (build_external_ref): Likewise.
1507         * c-parser.c (c_parser_postfix_expression): Pass location of
1508         identifier to build_external_ref.
1509
1510 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1511
1512         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
1513         CCEQ mode for branch_positive_comparison_operator test.
1514         * config/rs6000/predicates (branch_comparison_operator): Revert to
1515         define_predicate.
1516         (scc_comparison_operator): Same.
1517         (branch_positive_comparison_operator): Same.
1518
1519 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
1520
1521         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
1522         (cris_delay_slots_for_epilogue): Remove.
1523         (save_last): Move into cris_target_asm_function_epilogue.
1524         (cris_target_asm_function_epilogue): Remove tests for file being
1525         NULL.
1526         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
1527         (cris_delay_slots_for_epilogue): Remove prototypes.
1528         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
1529         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
1530
1531 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
1532
1533         * config/rs6000/predicates.md (branch_comparison_operator): Change
1534         to define_special_predicate.
1535         (scc_comparison_operator): Same.
1536         (branch_positive_comparison_operator): Same.
1537
1538 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
1539
1540         * Makefile.in (tree-ssa-sink.o): New.
1541         (OBJS-common): Add tree-ssa-sink.o.
1542         * common.opt: Add -ftree-sink
1543         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
1544         * timevar.def (TV_TREE_SINK): new timevar.
1545         * tree-flow.h (is_hidden_global_store): Prototype.
1546         * tree-optimize.c (init_tree_optimization_passes): Add
1547         pass_sink_code.
1548         * tree-pass.h (pass_sink_code): New.
1549         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
1550         for non-obvious global store store to is_hidden_global_store, and
1551         call that new function.
1552         * tree-ssa-sink.c: New file.
1553         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1554         * doc/passes.texi: Document forward store motion.
1555         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1556         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1557         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1558         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1559
1560 2005-03-01  Per Bothner  <per@bothner.com>
1561
1562         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1563         and we have a non-zero column-number, add it to the message.
1564         Also factor out the diagnostic_kind_text.
1565
1566 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
1567
1568         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1569         flow_loop_pre_header_scan, flow_loop_pre_header_find,
1570         flow_loop_scan): Removed.
1571         (flow_loop_dump): Do not dump removed fields.
1572         (flow_loop_free): Do not free removed fields.
1573         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
1574         (loop_exit_edge_p): New function.
1575         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1576         num_pre_header_edges, entry_edges, num_entries, exit_edges,
1577         num_exits, exits_doms.
1578         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1579         LOOP_EDGES, LOOP_ALL): Removed.
1580         (flow_loop_scan): Declaration removed.
1581         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1582         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1583         flow_loops_find.
1584         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1585         (if_convert): Call flow_loops_find and flow_loops_free
1586         when calling mark_loop_exit_edges.
1587         * cfgloopanal.c (mark_loop_exit_edges): Moved from
1588         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
1589         free_dominance_info calls.
1590         * loop-init.c (flow_loops_find): Ditto.
1591         * passes.c (rest_of_handle_branch_prob): Ditto.
1592         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1593         * loop-unroll.c (analyze_insns_in_loop): Do not use
1594         EDGE_LOOP_EXIT.
1595         * predict.c (predict_loops): Do not call flow_loop_scan.
1596         Use get_loop_exit_edges.
1597         (tree_estimate_probability): Do not pass flags to flow_loops_find.
1598         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1599         Do not use EDGE_LOOP_EXIT.
1600         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1601         to bb_with_exit_edge_p.
1602         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
1603         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
1604         to bb_with_exit_edge_p.
1605         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
1606         EDGE_LOOP_EXIT.
1607         * tree-loop-linear.c (linear_transform_loops): Do not call
1608         flow_loop_scan.  Use loop->single_exit.
1609         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1610         (vect_analyze_loop_form): Do not call flow_loop_scan.
1611         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1612         loop->single_exit.
1613         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1614         loop->single_exit.
1615         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1616         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1617         slpeel_tree_duplicate_loop_to_edge_cfg,
1618         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1619         Use loop_preheader_edge and loop->single_exit.  Do not call
1620         flow_loop_scan.
1621
1622 2005-03-01  Nick Clifton  <nickc@redhat.com>
1623
1624         * config/arm/arm.c (thumb_find_work_register): Check all of the
1625         argument registers to see if they are free, and a couple of
1626         special cases where the last argument register but can be proved
1627         to be available during the function's prologue.
1628         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1629         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1630         thumb_unexpanded_epilogue): Use unsigned long as the type for the
1631         register bit-mask.
1632         (thumb_compute_save_reg_mask): Likewise.  Also use
1633         thumb_find_work_register() to ensure that there is agreement about
1634         which work register is going to be used in the prologue.
1635         (thumb_output_function_prologue): Use unsigned long as the type
1636         for the register bit-mask.  Also delay pushing the link register if
1637         other high registers are going to be pushed.
1638         (thumb_compute_save_reg_mask, emit_multi_reg_push,
1639         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1640         redundant prototypes.
1641
1642 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
1643
1644         PR target/19819
1645         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1646         and after reload in REG+REG indexed addresses without REG_POINTER
1647         set in the base and not set in the index.
1648
1649 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1650
1651         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1652         Don't undefine here.
1653         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1654         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1655         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1656         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1657         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1658         Delete.
1659         * config.gcc (sh*-*-linux*): Use config/linux.h.
1660
1661 2005-02-28  Dale Johannesen  <dalej@apple.com>
1662             Stan Shebs  <shebs@apple.com>
1663
1664         Rewrite of 64-bit Darwin structure-by-value pass/return.
1665         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1666         intoffset, use_stack, named.
1667         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
1668         (rs6000_darwin64_record_arg_advance_flush):  New.
1669         (rs6000_darwin64_record_arg_advance_recurse): New.
1670         (rs6000_darwin64_record_arg_flush):  New.
1671         (rs6000_darwin64_record_arg_recurse):  New.
1672         (rs6000_darwin64_record_arg):  New.
1673         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
1674         (function_arg_boundary):  Handle 128-bit aligned structs.
1675         (function_arg_advance):  Rewrite darwin64 struct handling.
1676         (function_arg):  Call rs6000_darwin64_record_arg.
1677         (function_arg_partial_nregs):  Handle darwin64 structs.
1678         (rs6000_darwin64_function_value):  Remove.
1679         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
1680
1681 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1682
1683         PR tree-optimization/20216
1684         * tree-chrec.c (tree_fold_factorial): Delete.
1685         (tree_fold_binomial): Change argument list to take a return type
1686         and change the type of K to unsigned int.  Rewrite to avoid explicit
1687         evaluation of factorials, and (recursively) calling fold to perform
1688         compile-time arithmetic.  Return NULL on (internal) overflow.
1689         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
1690         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
1691         if any intermediate calculation overflows.
1692         (chrec_apply): Update call to chrec_evaluate.
1693
1694 2005-02-28  James E Wilson  <wilson@specifixinc.com>
1695
1696         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1697
1698 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
1699
1700         PR c/20245
1701         * c-parser.c (c_parser_compound_statement): Return error_mark_node
1702         instead of NULL_TREE on error.
1703
1704 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
1705
1706         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1707         (EASY_VECTOR_15_ADD_SELF): Remove.
1708         (num_insns_constant_wide): Not static.
1709         (validate_condition_mode): Not static.
1710         (toc_relative_expr_p): Not static.
1711         (legitimate_indirect_address_p): Not static.
1712         (macho_lo_sum_memory_operand): Not static.
1713         (invalid_e500_subreg): Not static.
1714         (easy_vector_same): Not static.
1715         (easy_vector_splat_const): Not static.
1716         (RS6000_SYMBOL_REF_TLS_P): Remove.
1717         (any_operand): Delete.
1718         (any_parallel_operand): Delete.
1719         (count_register_operand): Delete.
1720         (altivec_register_operand): Delete.
1721         (xer_operand): Delete.
1722         (s8bit_cint_operand): Delete.
1723         (short_cint_operand): Delete.
1724         (u_short_cint_operand): Delete.
1725         (non_short_cint_operand): Delete.
1726         (exact_log2_cint_operand): Delete.
1727         (gpc_reg_operand): Delete.
1728         (cc_reg_operand): Delete.
1729         (cc_reg_not_cr0_operand): Delete.
1730         (reg_or_short_operand): Delete.
1731         (reg_or_neg_short_operand): Delete.
1732         (reg_or_aligned_short_operand): Delete.
1733         (reg_or_u_short_operand): Delete.
1734         (reg_or_cint_operand): Delete.
1735         (reg_or_arith_cint_operand): Delete.
1736         (reg_or_add_cint64_operand): Delete.
1737         (reg_or_sub_cint64_operand): Delete.
1738         (reg_or_logical_cint_operand): Delete.
1739         (got_operand): Delete.
1740         (got_no_const_operand): Delete.
1741         (easy_fp_constant): Delete.
1742         (easy_vector_constant): Delete.
1743         (easy_vector_constant_add_self): Delete.
1744         (zero_constant): Delete.
1745         (zero_fp_constant): Delete.
1746         (volatile_mem_operand): Delete.
1747         (offsettable_mem_operand): Delete.
1748         (mem_or_easy_const_operand): Delete.
1749         (add_operand): Delete.
1750         (non_add_cint_operand): Delete.
1751         (logical_operand): Delete.
1752         (non_logical_cint_operand): Delete.
1753         (mask_operand): Delete.
1754         (mask_operand_wrap): Delete.
1755         (mask64_operand): Delete.
1756         (mask64_2_operand): Delete.
1757         (and64_operand): Delete.
1758         (and64_2_operand): Delete.
1759         (and_operand): Delete.
1760         (reg_or_mem_operand): Delete.
1761         (lwa_operand): Delete.
1762         (symbol_ref_operand): Delete.
1763         (call_operand): Delete.
1764         (current_file_function_operand): Delete.
1765         (input_operand): Delete.
1766         (rs6000_nonimmediate_operand): Delete.
1767         (rs6000_tls_symbol_ref): Delete.
1768         (save_world_operation): Delete.
1769         (restore_world_operation): Delete.
1770         (load_multiple_operation): Delete.
1771         (store_multiple_operation): Delete.
1772         (vrsave_operation): Delete.
1773         (mfcr_operation): Delete.
1774         (mtcrf_operation): Delete.
1775         (lmw_operation): Delete.
1776         (stmw_operation): Delete.
1777         (branch_comparison_operator): Delete.
1778         (branch_positive_comparison_operator): Delete.
1779         (scc_comparison_operator): Delete.
1780         (trap_comparison_operator): Delete.
1781         (boolean_operator): Delete.
1782         (boolean_or_operator): Delete.
1783         (min_max_operator): Delete.
1784         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1785         (EASY_VECTOR_15): Moved to here.
1786         (EASY_VECTOR_15_ADD_SELF): Move to here.
1787         (PREDICATE_CODES): Delete.
1788         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1789         Declare functions no longer static.
1790         * config/rs6000/predicates.md: New.
1791         * config/rs6000/rs6000.md: Include predicates.md
1792
1793 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1794
1795         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1796         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1797         REG_ALWAYS_RETURN.
1798         * cfgrtl.c (need_fake_edge_p): Likewise.
1799         * combine.c (distribute_notes): Likewise.
1800         * emit-rtl.c (try_split): Likewise.
1801         * recog.c (peephole2_opimize): Likewise.
1802         * reg-notes.def (ALWAYS_RETURN): Remove.
1803         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1804         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1805         * tree.h (ECF_ALWAYS_RETURN): Remove.
1806
1807 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1808
1809         PR middle-end/19874
1810         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1811         between different machine modes is never a "useless" conversion.
1812
1813 2005-02-28  Geert Bosch  <bosch@gnat.com>
1814
1815         PR ada/15977
1816         * doc/contrib.texi: List contributors for Ada front end
1817
1818 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1819
1820         * simplify-rtx.c (simplify_unary_operation_1,
1821         simplify_const_unary_operation): New, extracted from...
1822         (simplify_unary_operation): ... this one.
1823         (simplify_binary_operation_1,
1824         simplify_const_binary_operation): New, extracted from...
1825         (simplify_binary_operation): ... this one.
1826         * rtl.h (simplify_const_unary_operation,
1827         simplify_const_binary_operation): Add prototypes.
1828
1829 2005-02-28  Julian Brown  <julian@codesourcery.com>
1830
1831         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1832         building libjava and caused PR regression/20228.
1833
1834 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1835
1836         PR bootstrap/17383
1837         * Makefile.in (host_subdir): New.
1838         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1839         * configure: Regenerate.
1840
1841 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1842
1843         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1844         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1845         installation directory first.
1846
1847 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1848
1849         PR target/19065.
1850         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1851         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1852         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1853         * config/cris/cris.md: Tweak comments referring to Q.
1854         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1855         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1856         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1857         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1858         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1859         Insert spaces in constraints to align alternatives vertically for
1860         readability.
1861         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1862         operand 1: "M".
1863
1864 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1865
1866         PR rtl-optimization/17728
1867         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1868         operand 0 from general_operand to move_dest_operand.
1869
1870 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1871
1872         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1873         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1874         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1875         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1876
1877 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1878
1879         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1880         * configure: Regenerate.
1881         * libada-mk.in: Remove CC; rename
1882         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1883
1884 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1885
1886         PR tree-opt/20188
1887         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1888         for the lhs, also walk over the tree.  Likewise for rhs.
1889
1890 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1891
1892         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1893         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1894         Do not propagate value of iv before increment over the increment.
1895
1896 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1897
1898         * c-parser.c: New file.
1899         * c-parse.in: Remove.
1900         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1901         Remove.
1902         (c-parser.o): Add dependencies.
1903         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1904         maintainer-clean, TAGS): Update.
1905         * c-config-lang.in (gtfiles): Update.
1906         * gengtype-lex.l: Don't handle "@@".
1907         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1908         objc_build_synchronized, objc_begin_try_stmt,
1909         objc_begin_catch_clause, objc_finish_catch_clause,
1910         objc_build_finally_clause, objc_finish_try_stmt): New.
1911         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1912         type_seen_p.
1913         (c_parse_init): Update comment.
1914         * c-decl.c (c_init_decl_processing): Update comment.
1915         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1916         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1917         new c_declspecs members.
1918
1919 2005-02-25  Julian Brown  <julian@codesourcery.com>
1920
1921         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1922         from being used for symbols with vague linkage when
1923         HAVE_GAS_COMDAT_GROUP is true.
1924
1925 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1926
1927         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1928
1929 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1930
1931         PR target/19930
1932         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1933         (LIBGCC2_HAS_DF_MODE): New.
1934         (LIBGCC2_HAS_XF_MODE): New.
1935         (LIBGCC2_HAS_TF_MODE): New.
1936         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1937         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1938         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1939         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1940         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1941         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1942         and add _fixtfdi, _fixunstfdi, _floatditf
1943         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1944         L_fixunstfdi, L_floatditf.
1945         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1946         (LIBGCC2_HAS_TF_MODE): Define.
1947
1948 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1949
1950         PR tree-optimization/20204
1951         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1952         REWRITE_THIS_STMT markers on PHI nodes.
1953         (rewrite_initialize_block): Likewise.
1954
1955 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1956
1957         * version.c (version_string): Update to 4.1.
1958
1959 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1960
1961         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1962         Clarify that the alternative way doesn't work in GNU C++.
1963
1964 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1965
1966         PR tree-optimization/19937
1967         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1968         to the type of the induction variable.
1969
1970 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1971
1972         PR rtl-optimization/20117
1973         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1974         the block including noncopyable insn.
1975
1976 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1977
1978         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1979         calls to find_reg_note.
1980
1981 2005-02-24  Richard Henderson  <rth@redhat.com>
1982
1983         PR tree-opt/20127
1984         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1985         the type.
1986
1987 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1988
1989         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1990         vector types if to use base reg for misaligned non-word ld/std.
1991
1992 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1993
1994         PR target/14619
1995         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1996         dwarf2 label manually and put it after, not before the prologue.
1997
1998 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1999
2000         PR target/19019
2001         * reload.c (operands_match_p): Only increment register number for
2002         SCALAR_INT_MODE_P modes in multiple hard registers.
2003
2004         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2005         Fix formatting.
2006
2007 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2008
2009         * ChangeLog.5: Fix log message typo(s).
2010         * ChangeLog.7: Likewise.
2011         * ChangeLog.tree-ssa: Likewise.
2012         * cfgexpand.c: Fix comment typo(s).
2013         * conflict.c: Likewise.
2014         * defaults.h: Likewise.
2015         * dwarf2out.c: Likewise.
2016         * gcse.c: Likewise.
2017         * ggc-page.c: Likewise.
2018         * tree-eh.c: Likewise.
2019         * tree-ssa-dom.c: Likewise.
2020
2021 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR target/19019
2024         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2025         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2026         if SHARED is defined.
2027
2028         PR target/20196
2029         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2030         allow splitting only if operands 0 and 3 don't overlap.
2031
2032 2005-02-24  Richard Henderson  <rth@redhat.com>
2033
2034         PR middle-end/19953
2035         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2036         (fold_builtin_1): Call them.
2037         * fold-const.c (fold_complex_mult_parts): Split out from ...
2038         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2039         (fold_complex_div_parts, fold_complex_div): New.
2040         (fold): Use them.
2041         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2042
2043 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2044
2045         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2046         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2047
2048         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2049         (print_node): Likewise.
2050         Print TYPE_SIZES_GIMPLIFIED.
2051
2052 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2053
2054         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2055         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2056         operands as commutative in constraints.
2057
2058 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2059
2060         * tree-into-ssa.c: Re-organize internal functions.
2061
2062 2005-02-24  Richard Henderson  <rth@redhat.com>
2063
2064         PR middle-end/18902
2065         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2066         for c99.
2067         * common.opt (fcx-limited-range): New.
2068         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2069         * toplev.c (flag_complex_method): Initialize to 1.
2070         (process_options): Set flag_complex_method to 0 if
2071         flag_cx_limited_range.
2072         * doc/invoke.texi (-fcx-limited-range): New.
2073
2074 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2075
2076         * cse.c (delete_trivially_dead_insns): Speed up by using
2077         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2078         prev_real_insn.
2079
2080 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2081
2082         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2083         functions when -mid-shared-library is being used.
2084
2085 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2086
2087         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2088         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2089         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2090         * system.h: Poison LINK_LIBGCC_SPECIAL.
2091
2092 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2093
2094         * gengtype.c (note_insn_name): Make 1 element larger.
2095
2096 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2097
2098         PR target/20018
2099         PR rtl-optimization/20097
2100         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2101         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2102
2103 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2104
2105         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2106         * t-aix52 (SHLIB_INSTALL): Same.
2107
2108 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2109
2110         * genpreds.c: Update copyright.
2111
2112 2005-02-23  Michael Beach  <michaelb@ieee.org>
2113
2114         PR target/20159
2115         * config/sparc/t-elf (startup files): Assemble with CPP.
2116
2117 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2118
2119         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2120         (write_predicate_expr): Likewise.
2121
2122 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2123
2124         PR tree-optimization/20100
2125         PR tree-optimization/20115
2126         * tree-optimize.c (init_tree_optimization_passes): Remove
2127         pass_maybe_create_global_var.
2128         * tree-pass.h (pass_maybe_create_global_var): Remove.
2129         * tree-ssa-alias.c (aliases_computed_p): Declare.
2130         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2131         (count_calls_and_maybe_create_global_var): Remove.
2132         (pass_maybe_create_global_var): Remove.
2133         (init_alias_info): Do not declare aliases_computed_p.
2134         (maybe_create_global_var): If the function contains no
2135         call-clobbered variables and a mix of pure/const and regular
2136         function calls, create .GLOBAL_VAR.
2137         Mark all call-clobbered variables for renaming.
2138         (merge_pointed_to_info): Update comment.
2139         (add_pointed_to_var): Likewise.
2140         (is_escape_site): Likewise.
2141         Accept struct alias_info * instead of size_t *.
2142         Update all users.
2143         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2144         as necessary.
2145         * tree-ssa-operands.c (get_call_expr_operands): If
2146         ALIASES_COMPUTED_P is false, do not add call-clobbering
2147         operands.
2148         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2149         (delete_tree_ssa): Likewise.
2150
2151 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2152
2153         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2154         (do_compile): Do call it here.
2155
2156 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2157
2158         PR rtl-optimization/20017.
2159         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2160         rest_of_handle_cse2, rest_of_handle_gcse): Call
2161         delete_dead_jumptables immediately before calling cleanup_cfg.
2162
2163 2005-02-22  Devang Patel  <dpatel@apple.com>
2164
2165         PR 19952
2166         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2167         all labels
2168
2169 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2170
2171         * config/rs6000/aix.h (WINT_TYPE): Define.
2172
2173 2005-02-22  Stan Shebs  <shebs@apple.com>
2174
2175         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2176         natural alignment for 64-bit Darwin.
2177         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2178         on 64-bit Darwin.
2179         * doc/invoke.texi: Document this.
2180
2181 2005-02-22  DJ Delorie  <dj@redhat.com>
2182
2183         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2184         to make_[un]signed_type, not the mode itself.
2185
2186 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2187
2188         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2189         not available.  Use tail calls wherever possible.
2190         (make_edge): Call unchecked_make_edge to create an edge.
2191
2192         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
2193         (coalesce_ssa_name): Don't check for
2194         SSANORM_USE_COALESCE_LIST.
2195         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
2196
2197 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2198
2199         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
2200         (rewrite_into_ssa): ... here.
2201
2202 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
2203
2204         PR tree-optimization/19786
2205         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
2206         tag to another's may-alias bitmap when adding to the other's list.
2207
2208 2005-02-21  DJ Delorie  <dj@redhat.com>
2209
2210         * tree-ssa-loop-ivopts.c (computation_cost): Start register
2211         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
2212         registers in unsupported ways.
2213         * expmed.c (init_expmed): Likewise.
2214
2215 2005-02-21  Stan Cox  <scox@redhat.com>
2216
2217         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
2218
2219 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2220
2221         * tree-cfg.c (fold_cond_expr_cond): New.
2222         (make_edges): Call fold_cond_expr_cond.
2223         (find_taken_edge): Accept nothing but INTEGER_CST.
2224         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
2225         and 1.
2226         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
2227
2228         * flow.c (delete_dead_jumptables): Speed up by scanning insns
2229         that do not belong to any basic block.
2230
2231 2005-02-21  Jeff Law  <law@redhat.com>
2232
2233         * cfganal.c (find_unreachable_blocks): Manually CSE load of
2234         e->dest.
2235
2236 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
2237
2238         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
2239         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
2240         Adjust their definitions.
2241         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
2242         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
2243
2244         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
2245         genautomata.c, langhooks.c, langhooks.h, system.h,
2246         config/arm/lib1funcs.asm: Update copyright.
2247
2248 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
2249
2250         * dbxout.c (dbxout_function_end): Emit Lscope label always.
2251
2252 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
2253
2254         PR bootstrap/13770
2255         * doc/install.texi: Document --with-gc.
2256
2257 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
2258
2259         * simplify-rtx.c (simplify_unary_operation): Add a missing
2260         "break" statement.
2261
2262 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2263
2264         PR tree-optimization/18663
2265         * tree-ssa-dom.c (extract_range_from_cond): Return 0
2266         if the type has variable bounds.
2267
2268 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
2269
2270         * gcse.c: Remove an obsolete comment.
2271
2272         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
2273
2274 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
2275
2276         * doc/extend.texi (Function Attributes) <Attribute const>: The
2277         attribute "pure" is below this text, not above.
2278
2279 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2280
2281         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
2282         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
2283         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
2284
2285 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
2286
2287         PR 18785
2288         * langhooks.h (struct lang_hooks): Add to_target_charset.
2289         * langhooks.c (lhd_to_target_charset): New function.
2290         * langhooks-def.h: Declare lhd_to_target_charset.
2291         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
2292         (LANG_HOOKS_INITIALIZER): Update.
2293         * c-common.c (c_common_to_target_charset): New function.
2294         * c-common.h: Declare it.
2295         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
2296         c_common_to_target_charset.
2297
2298         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
2299         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
2300         Delete definitions.
2301         * system.h: Poison them.
2302         * doc/tm.texi: Don't discuss them.
2303         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
2304         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
2305         (pp_c_char): Do not attempt to generate letter escapes for
2306         newline, tab, etc.
2307         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
2308         * config/mips/mips.c (mips_output_ascii): Likewise.
2309
2310 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
2311
2312         PR tree-optimization/19951
2313         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
2314         is abnormal.
2315
2316 2005-02-19  Steven Bosscher  <stevenb@suse.de>
2317
2318         PR middle-end/19698
2319         * function.h (struct function): New field `max_loop_depth'.
2320         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
2321         (flow_loops_find): Reset the max loop depth count before finding loops.
2322         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
2323         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
2324         (calculate_global_regs_live): Make sure the loop will terminate
2325         when the initial sets are not empty.
2326
2327 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
2328
2329         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
2330         object inside.
2331         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
2332
2333 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
2334
2335         PR other/19525
2336         * doc/invoke.texi: Remove documentation of %M spec.
2337         * gcc.c: Likewise.
2338         (init_spec): Remove %M suffix from -lgcc_s.
2339         (do_spec_1): Remove 'M' case.
2340         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
2341         to put shared libraries in the multilib directory.  Remove the
2342         shlib_so_soname substitution variable.  Don't add a multilib encoding
2343         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
2344         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
2345         SHLIB_INSTALL as well as SHLIB_LINK.
2346         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
2347         (SHLIB_NAME): Delete.
2348         (SHLIB_DIR): New macro.
2349         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
2350         (SHLIB_INSTALL): Adjust accordingly.
2351         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
2352         * config/t-slibgcc-sld: Likewise.
2353         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
2354         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
2355         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
2356         in $(SHLIB_DIR).
2357         (SHLIBUNWIND_INSTALL): Adjust accordingly.
2358         * config/i386/t-nwld (SHLIB_SONAME): Delete.
2359         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
2360         Use @shlib_base_name@ instead of @shlib_so_name@.
2361         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
2362         and @shlib_base_name@.so in @multilib_dir@.
2363         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
2364         to the install path.
2365         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
2366         (SHLIB_LINK): Remove previous workaround.
2367         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
2368         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
2369         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
2370         the install path.
2371         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
2372         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
2373         (SHLIB_INSTALL): Adjust accordingly.
2374         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
2375         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
2376         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
2377         config/t-slibgcc-elf-ver.
2378
2379 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
2380             Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR tree-optimization/19828
2383         * tree-ssa-loop-im.c: Add a TODO comment.
2384         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
2385         without side-effects.
2386
2387 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2388
2389         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
2390         call fold_convert.
2391
2392 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
2393
2394         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
2395         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
2396         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
2397         functions.
2398         (ia64_reorg): Delete fixup_errata call.
2399         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
2400         (TARGET_SWITCHES): Delete -mb-step entry.
2401
2402 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
2403
2404         PR c/20043
2405         * c-typeck.c (composite_type): Handle quals in transparent unions.
2406         (type_lists_compatible_p): Likewise.
2407
2408 2005-02-18  Stan Shebs  <shebs@apple.com>
2409
2410         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
2411         expressions in the .literal8 section.
2412
2413 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
2414
2415         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
2416
2417 2005-02-18  Roger Sayle  <roger@eyesopen.com>
2418
2419         * fold-const.c (constant_boolean_node): Always create values of the
2420         specified type, don't bother calling truthvalue_conversion.
2421
2422 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2423
2424         * except.c (output_function_exception_table): Call
2425         assemble_external_libcall (eh_personality_libfunc).
2426
2427 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2428
2429         PR target/19886
2430         * config/ia64/ia64.h (struct machine_function): Add state_num.
2431         * config/ia64/ia64.c (process_epilogue,
2432         process_for_unwind_directive): Use new unwind state numbers each
2433         time rather than state 1.
2434
2435 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
2436
2437         PR target/20054
2438         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
2439         before the "*llgt_didi" pattern.
2440
2441 2005-02-18  Jason Merrill  <jason@redhat.com>
2442
2443         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
2444
2445 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
2446
2447         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
2448         (div0): Use it in place of ARM_FUNC_ALIAS.
2449         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
2450
2451 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
2452
2453         PR middle-end/20030
2454         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
2455         access, the lower bound of the array type if it exists.
2456
2457 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
2458
2459         PR c++/20008
2460         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
2461         cases that are out-of-range for the index type.
2462
2463 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
2464
2465         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
2466         (estimate_case_costs): Don't call convert.
2467         * expmed.c (expand_shift): Likewise.
2468         (make_tree): Call fold_convert instead of convert.
2469
2470 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2471
2472         PR c++/19813
2473         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
2474         that ref to be marked MEM_READONLY_P doesn't have base that needs
2475         constructing.
2476
2477 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
2478
2479         * genautomata.c (output_get_cpu_unit_code_func,
2480         output_cpu_unit_reservation_p): Don't generate old-style function
2481         definitions.
2482
2483 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2484
2485         PR c++/20023
2486         PR tree-optimization/20009
2487         * convert.c (convert_to_integer): Revert 2005-02-16 change.
2488
2489         PR tree-optimization/18947
2490         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
2491         inline, remove all nodes that are inlined into the extern inline
2492         being redefined.
2493
2494 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2495
2496         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
2497         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
2498         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
2499         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
2500         Update copyright.
2501
2502 2005-02-17  Roger Sayle  <roger@eyesopen.com>
2503
2504         PR tree-optimization/19917
2505         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
2506         to be potentially trapping.
2507
2508 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
2509
2510         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
2511
2512 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2513
2514         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
2515         tem becomes a local variable which is set to the value of the
2516         back end defined INITIAL_FRAME_ADDRESS macro.
2517         (expand_builtin_frame_address): Omit the base parameter to
2518         expand_builtin_return_addr.
2519         (expand_builtin_profile_func): Likewise.
2520         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
2521         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
2522         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
2523
2524 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
2525
2526         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
2527         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
2528         * config/frv/frv.c (frv_function_epilogue): Likewise.
2529
2530 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
2531
2532         * lambda-code (perfect_nestify): Remove mark/unmark
2533         for rewriting hack.
2534         * tree-loop-linear.c (linear_transform_loops): Add
2535         rewrite_into_ssa call so that ssa is correct for
2536         rewriting into loop closed.
2537
2538 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
2539
2540         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
2541         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
2542         BITMAP_FREE.
2543         * bt-load.c (btr_def_live_range, combine_btr_defs,
2544         migrate_btr_def, migrate_btr_defs): Likewise.
2545         * cfgcleanup.c (thread_jump): Likewise.
2546         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
2547         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
2548         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
2549         df_rd_local_compute, df_reg_info_compute): Likewise.
2550         * dominance.c (init_dom_info, free_dom_info): Likewise.
2551         * flow.c (init_propagate_block_info,
2552         free_propagate_block_info): Likewise.
2553         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2554         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2555         modify_reg_pav): Likewise.
2556         * loop-invariant.c (find_defs, find_invariant_insn,
2557         find_invariants, free_inv_motion_data): Likewise.
2558         * predict.c (tree_predict_by_opcode,
2559         estimate_bb_frequencies): Likewise.
2560         * stmt.c (expand_case): Likewise.
2561         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2562         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2563         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2564         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2565         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2566         rewrite_ssa_into_ssa): Likewise.
2567         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2568         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2569         analyze_edges_for_bb, perform_edge_inserts): Likewise.
2570         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2571         * tree-sra.c (tree_sra): Likewise.
2572         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2573         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2574         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2575         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2576         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2577         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2578         Likewise.
2579         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2580         calculate_live_on_entry, calculate_live_on_exit,
2581         build_tree_conflict_graph): Likewise.
2582         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2583         record_important_candidates, set_use_iv_cost, find_depends,
2584         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2585         tree_ssa_iv_optimize_finalize): Likewise.
2586         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2587         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2588         tree_duplicate_loop_to_header_edge): Likewise.
2589         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2590         * tree-ssa.c (verify_flow_insensitive_alias_info,
2591         verify_name_tags, verify_ssa, init_tree_ssa,
2592         delete_tree_ssa): Likewise.
2593         * tree-ssanames.c (marked_ssa_names, init_ssanames,
2594         fini_ssanames): Likewise.
2595         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2596
2597 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
2598
2599         * config/rs6000/t-rtems: Completely reworked.
2600
2601 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2602
2603         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2604
2605 2005-02-17  Ira Rosen  <irar@il.ibm.com>
2606
2607         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2608         POINTER_TYPE_P when checking that type is a pointer.
2609         (vect_get_memtag): Remove.
2610         (vect_address_analysis): Use POINTER_TYPE_P. Call
2611         vect_object_analysis with dummy parameter for memtag.
2612         (vect_object_analysis): Extract memtag (functionality that
2613         used to be in vect_get_memtag and moved here). Fix printings.
2614         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2615         with correct parameters. Remove call to vect_get_memtag.
2616
2617 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
2618
2619         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2620         (tree-vectorizer.o): Added missing dependencies.
2621
2622         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2623         decleration.
2624         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2625         declaration in tree-vectorizer.c, now has an extern declaration in
2626         tree-vectorizer.h).
2627         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2628         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2629         get_vectype_for_scalar_type, vect_is_simple_use,
2630         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2631         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2632         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2633         vectorizable_store, vectorizable_operation, vectorizable_assignment,
2634         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2635         find_loop_location): Likewise.
2636
2637         * tree-vectorizer.c (langhooks.h): #include removed.
2638         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2639         moved to tree-vectorized.h.
2640         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2641         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2642         get_vectype_for_scalar_type, vect_is_simple_use,
2643         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2644         vect_supportable_dr_alignment, new_loop_vec_info,
2645         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2646         vect_set_verbosity_level, find_loop_location): Likewise.
2647
2648         (vect_analyze_loop): Function externalized. Declaration moved to
2649         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2650         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2651         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2652         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2653         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2654         vect_enhance_data_refs_alignment, vect_analyze_operations,
2655         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2656         vect_stmt_relevant_p, vect_get_loop_niters,
2657         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2658         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2659         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2660         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2661         vect_get_memtag): Likewise.
2662
2663         (vectorizable_load): Function externalized. Declaration moved to
2664         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2665         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2666         vect_transform_loop): Likewise.
2667         (vect_transform_stmt): Moved to tree-vect-transform.c.
2668         (vect_align_data_ref, vect_create_destination_var,
2669         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2670         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2671         vect_get_vec_def_for_operand, vect_init_vector,
2672         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2673         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2674         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2675         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2676         vect_do_peeling_for_loop_bound): Likewise.
2677
2678         * tree-vect-analyze.c: New file.
2679         * tree-vect-transform.c: New file.
2680
2681 2005-02-17  Jason Merrill  <jason@redhat.com>
2682
2683         PR mudflap/19319, c++/19317
2684         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2685         slot explicit.
2686
2687 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
2688
2689         * doc/install.texi (Specific): Update link for Darwin-specific
2690         tool binary site.
2691
2692 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
2693
2694         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2695         constant_boolean_node.
2696
2697 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
2698
2699         PR target/19019
2700         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2701         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2702
2703 2005-02-16  Richard Henderson  <rth@redhat.com>
2704
2705         PR 19920
2706         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2707         with W_TYPE_SIZE.
2708         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2709         replace uses with Wtype_MAXp1_F.
2710         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2711         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2712         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2713         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2714         and HAVE_TFMODE as appropriate.
2715         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2716         (__floatdisf): Likewise.
2717         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2718         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2719         (Wtype_MAXp1_F): New.
2720         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2721         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2722
2723 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
2724
2725         * PR target/19162
2726         * arm.c (arm_apply_result_size): New function.
2727         * arm.h (APPLY_RESULT_SIZE): Define.
2728         * arm-protos.h (arm_apply_result_size): Add prototype.
2729         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2730         (movxf): New expand.
2731         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2732         (call_value_symbol): Remove predicate for operand 0.
2733         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2734         (untyped_call): Rework to correclty return values for any type.
2735         (untyped_return): New expand.
2736         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2737
2738 2005-02-16  Stan Shebs  <shebs@apple.com>
2739
2740         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2741         * config/rs6000/t-darwin8: New, for 64-bit multilib.
2742
2743 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
2744
2745         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2746         configure settings on Solaris 7 and later.
2747
2748 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2749
2750         PR tree-optimization/19865
2751         * tree-optimize.c (init_tree_optimization_passes): Run
2752         pass_may_alias after pass_sra.
2753
2754 2005-02-16  Richard Henderson  <rth@redhat.com>
2755             Stuart Hastings  <stuart@apple.com>
2756
2757         PR debug/19521
2758         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2759         Do nothing if debug info suppressed for this function.
2760         (dbxout_begin_function): Early exit if debug info suppressed for
2761         this function.
2762
2763 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2764
2765         PR target/20007
2766         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2767         find_basic_blocks.
2768         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2769
2770         PR tree-optimization/19967
2771         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2772         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2773         argument TYPE.  Adjust calls to fold_builtin_XXX.
2774         (expand_builtin, fold_builtin_1): Adjust calls to
2775         expand_builtin_XXX.
2776         (fold_builtin_strchr, fold_builtin_strpbrk,
2777         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2778         result to a requested type TYPE.
2779
2780 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2781
2782         PR middle-end/19857
2783         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2784         (T)x & (T)cst if (T)cst overflows.
2785         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2786         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2787
2788 2005-02-15  Jeff Law  <law@redhat.com>
2789
2790         * gcse.c (blocks_with_calls): New bitmap.
2791         (alloc_gcse_mem): Allocate it.
2792         (free_gcse_mem): Free it.
2793         (clear_modifY_mem_tables): Clear it.
2794         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2795         when we encounter CALL_INSNs.
2796         (compute_transp, case MEM): Handle blocks with calls separate
2797         from blocks without calls.  Use bitmap iterators rather than
2798         FOR_EACH_BB.
2799
2800 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2801
2802         PR bootstrap/18810
2803         * mklibgcc.in (vis_hide): Use a temporary object file, not
2804         -o /dev/null.
2805
2806 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2807
2808         PR target/19924
2809         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2810         access optimization.
2811
2812 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2813             Alan Modra  <amodra@bigpond.net.au>
2814
2815         PR target/19019
2816         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2817         (_xlqsub): Rename to __gcc_qsub.
2818         (_xlqmul): Rename to __gcc_qmul.
2819         (_xlqdiv): Rename to __gcc_qdiv.
2820         Provide versioned symbol aliases with old names.
2821         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2822         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2823         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2824         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2825         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2826
2827 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2828
2829         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2830         Fold ~(A - 1) and ~(A + -1) to -A.
2831
2832 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2833
2834         PR pch/14940
2835         PR target/19300
2836         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2837         config/pa/pa-host.c:pa_gt_pch_use_address.
2838
2839 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2840
2841         * tree-vn.c (get_value_handle): Make sure that given an
2842         is_gimple_min_invariant expression, we always return it.
2843
2844 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2845
2846         * passes.c (rest_of_handle_gcse): Fix a comment.
2847
2848 2005-02-15  Jeff Law  <law@redhat.com>
2849
2850         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2851         bitmap.
2852         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2853         (canon_list_insert, record_last_mem_set_info): Similarly.
2854         (clear_modify_mem_tables): Similarly.
2855
2856 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2857
2858         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2859         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2860         config/mips/mips.md, config/rs6000/aix.h,
2861         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2862
2863 2005-02-15  Richard Henderson  <rth@redhat.com>
2864
2865         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2866         call to be best_edge.
2867
2868 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2869
2870         * basic-block.h: Adjust the prototype for find_basic_blocks.
2871         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2872         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2873         find_basic_blocks.
2874
2875         * flow.c (recompute_reg_usage): Remove all arguments.
2876         * passes.c (rest_of_compilation): Adjust the call to
2877         recompute_reg_usage.
2878         * rtl.h: Adjust the prototype for recompute_reg_usage.
2879
2880 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2881
2882         * tree-dump.c (dump_files): Update to reflect new member
2883         of dump_file_info.
2884         (dump_register): Add new argument.
2885         Set glob name.
2886         (dump_switch_p_1): Check against glob name if doglob was passed.
2887         (dump_switch_p): Check against regular first, then glob if
2888         we didn't have any hits on the dump name.
2889         * tree-optimize.c (register_one_dump_file):
2890         Pass in glob name as well.
2891         * tree-pass.h (struct dump_file_info): Add glob
2892         member.
2893
2894 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2895
2896         PR preprocessor/16323
2897         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2898
2899 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2900
2901         PR target/19019
2902         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2903         (trunctfdf2_internal1): New.
2904         (trunctfdf2_internal2): Renamed from trunctfdf2.
2905
2906 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2907
2908         PR tree-optimization/19853
2909         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2910
2911 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2912
2913         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2914         delete_dead_jumptables and cleanup_cfg.
2915
2916 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2917
2918         * reload.c (find_reloads): Swap address_reloaded flags when
2919         swapping commutative operands.
2920
2921 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2922
2923         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2924         Use standard_iv_increment_position for computing the bsi position
2925         for create_iv.
2926         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2927         the bsi position.
2928
2929 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2930
2931         PR target/17428
2932         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2933         life range of hard registers.
2934         * value-prof.c (insn_prefetch_values_to_profile): Only
2935         scan normal insns.
2936
2937         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2938         profile in libcalls.
2939
2940 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2941
2942         * bitmap.h (bitmap_and_compl_into): Return bool.
2943         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2944
2945 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2946
2947         PR tree-optimization/19944
2948         * fold-const.c (fold): Re-add ABS_EXPR folding.
2949
2950 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2951
2952         PR target/19019
2953         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2954         {TARGET,MASK}_XL_COMPAT.
2955         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2956         MASK_XL_COMPAT.
2957         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2958         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2959         TARGET_XL_COMPAT.
2960         (rs6000_arg_partial_bytes): Same.
2961         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2962         and XL compatibility enabled.
2963         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2964         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2965         test to final condition.
2966         (cmptf_internal2): New.
2967         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2968         xl-compat.  Add TFmode information to description.
2969
2970 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2971
2972         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2973
2974 2005-02-13  Jason Merrill  <jason@redhat.com>
2975
2976         PR c++/16405
2977         * fold-const.c (fold_indirect_ref_1): Split out from...
2978         (build_fold_indirect_ref): Here.
2979         (fold_indirect_ref): New fn.
2980         * tree.h: Declare it.
2981         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2982         (gimplify_modify_expr_rhs): Likewise.
2983         (gimplify_expr): Likewise.
2984
2985 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2986
2987         PR tree-optimization/14303
2988         PR tree-optimization/15784
2989         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2990         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2991         ABS_EXPR<x> != 0 to x != 0.
2992
2993 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2994
2995         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2996         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2997         spelling conventions.
2998
2999         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3000         delete_trivially_dead_insns too many times.
3001
3002         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3003         tem and tem2.
3004
3005 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3006
3007         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3008         (vect_is_simple_iv_evolution): Remove redundant parameter
3009         and step check.
3010         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3011         without last parameter.
3012         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3013         Return pointer step. Call vect_is_simple_iv_evolution without
3014         last parameter. Check only that the step is multiple of size
3015         type. Remove stmt_vinfo updates.
3016         (vect_get_memtag_and_dr): Remove.
3017         (vect_get_memtag): New function.
3018         (vect_address_analysis): New function.
3019         (vect_object_analysis): New function.
3020         (vect_analyze_data_refs): Call vect_object_analysis and
3021         vect_get_memtag. Update stmt_vinfo fields.
3022
3023 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3024
3025         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3026         exist and are objects. Remove checks for pointer.
3027         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3028         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3029         (vect_create_data_ref_ptr): Likewise.
3030         (vect_base_addr_differ_p): New function.
3031         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3032         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3033         Don't set the DR_BASE_NAME field of data-ref.
3034         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3035
3036 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3037
3038         * optabs.h (enum optab_index): Add new OTI_ldexp.
3039         (ldexp_optab): Define corresponding macro.
3040         * optabs.c (init_optabs): Initialize ldexp_optab.
3041         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3042         patterns.
3043         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3044         using ldexp_optab.
3045         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3046         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3047
3048         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3049         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3050         intrinsics.
3051
3052 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3053
3054         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3055         to base_address.
3056         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3057         stmt_vec_info.
3058         (vect_get_base_and_offset): Always return an address.
3059         (vect_create_addr_base_for_vector_ref): Remove treatment for
3060         different data reference types.
3061         (vect_compute_data_ref_alignment): Rename base to base_address in
3062         stmt_vec_info. Get the object in order to force its alignment.
3063         (vect_get_memtag_and_dr): Rename base to base_address in
3064         stmt_vec_info. Extract the object for memtag analysis.
3065
3066 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3067
3068         PR regression/19898.
3069         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3070         changes cc_status, use apply modified_in_p to part of cc_status
3071         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3072         body.
3073
3074 2005-02-11  Richard Henderson  <rth@redhat.com>
3075
3076         * tree-complex.c (expand_complex_libcall): New.
3077         (expand_complex_multiplication): Use it for c99 compliance.
3078         (expand_complex_division): Likewise.
3079         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3080         (fold): Call them.
3081         * builtins.c (built_in_names): Remove const.
3082         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3083         builtins.
3084         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3085         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3086         (built_in_names): Remove const.
3087         * c-common.c (c_common_type_for_mode): Handle complex modes.
3088         * flags.h, toplev.c (flag_complex_method): Rename from
3089         flag_complex_divide_method.
3090         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3091         __mulsc3, __muldc3, __mulxc3, __multc3): New.
3092         * libgcc2.h: Declare them.
3093         * libgcc-std.ver: Export them.
3094         * mklibgcc.in (lib2funcs): Build them.
3095
3096 2005-02-11  Steven Bosscher  <stevenb@suse.de>
3097
3098         PR tree-optimization/19876
3099         Partially revert my change from 2005-01-14
3100         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
3101         (compute_antic): ...and remove the loop here.
3102
3103 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR middle-end/19858
3106         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
3107         is number of inner's bits, avoid creating a BIT_FIELD_REF.
3108
3109         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
3110         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
3111
3112 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
3113
3114         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3115         offsets for the big-endian 32-bit case.
3116
3117 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
3118
3119         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3120
3121 2005-02-11  Dale Johannesen  <dalej@apple.com>
3122
3123         * cselib.c (cselib_process_insn):  Clear out regs where
3124         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
3125         * reload.c (find_equiv_reg): Ditto.
3126
3127 2005-02-11  Ian Lance Taylor  <ian@airs.com>
3128
3129         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
3130         with no elements.
3131
3132         * tree.c (build_function_type_list): Work correctly if there are
3133         no arguments.
3134
3135 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
3136
3137         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
3138         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
3139         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
3140         TARGET_ZARCH instead of TARGET_64BIT.
3141
3142 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
3143
3144         * config/rs6000/t-rtems:
3145         (MULTILIB_OPTIONS): Remove mcpu=602.
3146         (MUTLILIB_DIRNAMES): Remove m602.
3147         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
3148         Let mcpu=602 match mcpu=603.
3149         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
3150
3151 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3152
3153         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
3154         signal trampolines.
3155
3156 2005-02-10  David Daney  <ddaney@avtrex.com>
3157
3158         * config/alpha/linux-unwind.h: Add exception clause to copyright.
3159         * config/i386/linux-unwind.h: Likewise.
3160         * config/ia64/linux-unwind.h: Likewise.
3161         * config/mips/linux-unwind.h: Likewise.
3162         * config/pa/linux-unwind.h: Likewise.
3163         * config/rs6000/linux-unwind.h: Likewise.
3164         * config/s390/linux-unwind.h: Likewise.
3165         * config/sh/linux-unwind.h: Likewise.
3166         * config/sparc/linux-unwind.h: Likewise.
3167
3168 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3169
3170         PR tree-optimization/17549
3171         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
3172         TER to replace a DEF with its expression if the DEF and the
3173         rhs of the expression we replace into have the same root
3174         variable.
3175
3176 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
3177
3178         * config/mips/mips.md: Fix the placement of the match_scratch in the
3179         lea64 peephole2.
3180
3181 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3182
3183         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
3184         Fix comment typos.
3185
3186 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
3187
3188         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
3189         (strip_offset): Handle addresses.
3190         (add_address_candidates): Use strip_offset.
3191         (difference_cost): Reflect strip_offset change.
3192         (force_var_cost, difference_cost): Strip nops.
3193
3194 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
3195
3196         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
3197
3198         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
3199         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
3200         config/cris/cris-protos.h, config/cris/cris.c: Update
3201         copyright.
3202
3203 2005-02-10  Jeff Law  <law@redhat.com>
3204
3205         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
3206         (lookup_avail_expr): Similarly.
3207
3208 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
3209
3210         * builtins.c (fold_builtin_powi): New function.
3211         (fold_builtin_1): Call it.
3212
3213 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3214
3215         PR documentation/19309
3216         * doc/cpp.texi: The __GNUC__ and related predefined macros
3217         are also defined for the "standalone" cpp.
3218         Some non-GCC compilers may also define __GNUC__.
3219
3220 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
3221
3222         PR c/19342
3223         * c-typeck.c (common_type): New routine.  Old common_type renamed
3224         to...
3225         (c_common_type): ...this.
3226         (build_conditional_expr, build_binary_op): Use c_common_type instead
3227         of common_type.
3228
3229 2005-02-10  Steven Bosscher  <stevenb@suse.de>
3230
3231         * doc/md.texi: Replace @samp{length} with @code{length}.
3232
3233 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3234
3235         PR tree-optimization/18687
3236         * tree-flow.h (find_loop_niter): Declare.
3237         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
3238         Try using scev even for loops with more than one exit.
3239         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
3240         (struct ivopts_data): Added niters field.
3241         (struct nfe_cache_elt): New.
3242         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
3243         functions.
3244         (tree_ssa_iv_optimize_init): Initialize niters cache.
3245         (determine_number_of_iterations): Removed.
3246         (find_induction_variables): Do not call determine_number_of_iterations.
3247         Access niters for single exit through niter_for_single_dom_exit.
3248         (add_iv_outer_candidates): Access niters for single exit through
3249         niter_for_single_dom_exit.
3250         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
3251         number_of_iterations_cond.
3252         (iv_period): New function.
3253         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
3254         (may_replace_final_value): Take data argument.  Use
3255         niter_for_single_dom_exit.
3256         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
3257         (rewrite_use_compare): Pass data to may_eliminate_iv.
3258         (rewrite_use_outer): Pass data to may_replace_final_value.
3259         (free_loop_data): Clean up the niters cache.
3260         (tree_ssa_iv_optimize_finalize): Free the niters cache.
3261         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
3262         * tree-ssa-loop-niter.c (find_loop_niter): New function.
3263         (find_loop_niter_by_eval): Use tree_int_cst_lt.
3264         (num_ending_zeros): Moved to tree.c.
3265         * tree.h (num_ending_zeros): Declare.
3266         * tree.c (num_ending_zeros): Moved from tree.c.
3267
3268 2005-02-09  Richard Henderson  <rth@redhat.com>
3269
3270         * builtins.c (DEF_BUILTIN): Add COND argument.
3271         * tree.h (DEF_BUILTIN): Likewise.
3272         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
3273         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
3274         match.
3275         (DEF_BUILTIN_STUB): New.
3276         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
3277         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
3278         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
3279         * c-common.c (DEF_BUILTIN): Add COND argument.
3280         * tree.c (local_define_builtin): New.
3281         (build_common_builtin_nodes): New.
3282
3283 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3284
3285         * fold-const.c (fold_strip_sign_ops): New function to simplify a
3286         floating point expression ignoring the sign of the result.
3287         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
3288         (fold) <MULT_EXPR>: Use it to simplify x*x.
3289         * tree.h (fold_strip_sign_ops): Prototype here.
3290         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
3291         argument.  Use fold_strip_sign_ops to simplify the first argument.
3292         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
3293         first argument when the second argument is an even integer
3294         constant, but only with -funsafe_math_optimizations.
3295         (fold_builtin_1): Update call to fold_builtin_copysign.
3296
3297 2005-02-09  Ian Lance Taylor  <ian@airs.com>
3298
3299         PR middle-end/19583
3300         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
3301         just check whether EH_FILTER_FAILURE falls through.
3302
3303 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3304
3305         * gcc/haifa-sched.c (schedule_block): Make queued sched group
3306         insns return to ready list in the next turn.
3307
3308 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3309
3310         PR middle-end/19402
3311         * builtins.def: New __builtin_powi[lf].
3312         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
3313         (expand_builtin_powi): New function.
3314         (expand_builtin): Dispatch to expand_builtin_powi.
3315         * libgcc2.h: Add prototypes for __builtin_powi[lf].
3316         * libgcc2.c: Add __builtin_powi[lf] implementation.
3317         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
3318         * optabs.h: Add powi_optab.
3319         * optabs.c (init_optabs): Initialize powi_optab.
3320         * doc/extend.texi: Document __builtin_powi[lf].
3321
3322 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
3323
3324         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
3325         exists.
3326
3327 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
3328
3329         PR middle-end/19854
3330         * fold-const.c (try_move_mult_to_index): Remove redundant
3331         type argument.  Create ADDR_EXPR with correct type.
3332         (fold): Update callers of try_move_mult_to_index.  Convert
3333         result to the appropriate type.
3334
3335 2005-02-09  Roger Sayle  <roger@eyesopen.com>
3336
3337         PR target/19597
3338         * config/avr/avr.c (default_rtx_costs): Delete.
3339         (avr_operand_rtx_cost): New function.
3340         (avr_rtx_costs): Completely rewrite.
3341
3342 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
3343
3344         PR target/19806
3345         * config/cris/cris.c (in_code): New variable.
3346         (cris_output_addr_const): Now a static function, a wrapper for
3347         output_addr_const.
3348         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
3349         case from old cris_output_addr_const.
3350         (cris_asm_output_label_ref): Similar for LABEL_REF.
3351         (cris_output_addr_const_extra): Similar for UNSPEC.
3352         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
3353         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
3354         * config/cris/cris-protos.h (cris_output_addr_const): Remove
3355         declaration.
3356         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
3357         (cris_asm_output_label_ref): Declare.
3358
3359 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
3360
3361         PR preprocessor/19801
3362         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
3363         filenames that changed when libcpp was moved to the toplevel.
3364
3365 2005-02-07  Roger Sayle  <roger@eyesopen.com>
3366
3367         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3368         zero extensions of BImode operands.  Call lowpart_subreg instead
3369         of gen_lowpart_common and gen_lowpart_SUBREG.
3370
3371 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
3372
3373         PR ada/19489
3374         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
3375         * configure.ac: Set cc_for_cross_gnattools.
3376         * configure: Regenerate.
3377
3378 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
3379
3380         PR target/19803
3381         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
3382
3383 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3384
3385         PR debug/19327
3386         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
3387         of nested functions.
3388
3389 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
3390
3391         * doc/extend.texi: Document deprecated extensions allowing
3392         static floating-point members to have initializers and allowing
3393         floating-point literals in integral constant expressions.
3394
3395 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
3396
3397         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
3398         config/darwin7.h, config/mips/mips.c,
3399         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
3400         Update copyright.
3401
3402         * cse.c: Update comments.
3403
3404 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
3405
3406         PR middle-end/19775
3407         * builtins.c (fold_builtin_sqrt): Transform
3408         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
3409         pow(x,y*0.5).
3410
3411 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
3412             Dorit Naishlos  <dorit@il.ibm.com>
3413
3414         * doc/invoke.texi (ftree-vectorizer-verbose): New.
3415         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
3416         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
3417         was added.
3418         * tree.h (vect_set_verbosity_level): New extern function declaration
3419         added.
3420         * tree-vectorizer.h (verbosity_levels): New enum type.
3421         * tree-vectorizer.c (vect_debug_stats): Function removed.
3422         (vect_debug_details): Likewise.
3423         (vect_verbosity_level): Global variable was defined and initialized.
3424         (vect_dump): Global variable definition.
3425         (vect_print_dump_info): New function.
3426         (vect_set_dump_settings): New function.
3427         (vect_set_verbosity_level): New function.
3428         (vectorize_loops): Add call to vect_set_dump_settings.
3429
3430         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
3431         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3432         (slpeel_tree_peel_loop_to_edge): Likewise.
3433
3434         (vect_analyze_offset_expr): Call to vect_print_dump_info with
3435         appropriate verbosity level instead of call to vect_debug_details
3436         or vect_debug_stats.
3437         (vect_get_base_and_offset):
3438         (vect_create_addr_base_for_vector_ref):
3439         (get_vectype_for_scalar_type):
3440         (vect_create_data_ref_ptr):
3441         (vect_init_vector):
3442         (vect_get_vec_def_for_operand):
3443         (vect_finish_stmt_generation):
3444         (vectorizable_assignment):
3445         (vectorizable_operation):
3446         (vectorizable_store):
3447         (vectorizable_load):
3448         (vect_transform_stmt):
3449         (vect_update_ivs_after_vectorizer):
3450         (vect_do_peeling_for_loop_bound):
3451         (vect_update_inits_of_drs):
3452         (vect_do_peeling_for_alignment):
3453         (vect_transform_loop):
3454         (vect_is_simple_use):
3455         (vect_analyze_operations):
3456         (vect_is_simple_iv_evolution):
3457         (vect_analyze_scalar_cycles):
3458         (vect_analyze_data_ref_dependence):
3459         (vect_analyze_data_ref_dependences):
3460         (vect_compute_data_ref_alignment):
3461         (vect_enhance_data_refs_alignment):
3462         (vect_analyze_data_refs_alignment):
3463         (vect_analyze_data_ref_access):
3464         (vect_analyze_data_ref_accesses):
3465         (vect_analyze_pointer_ref_access):
3466         (vect_get_memtag_and_dr):
3467         (vect_analyze_data_refs):
3468         (vect_mark_relevant):
3469         (vect_stmt_relevant_p):
3470         (vect_mark_stmts_to_be_vectorized):
3471         (vect_can_advance_ivs_p):
3472         (vect_get_loop_niters):
3473         (vect_analyze_loop_form):
3474         (vect_analyze_loop):
3475         (vectorize_loops): Likewise.
3476
3477         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
3478         (vect_update_inits_of_drs):
3479         (vect_do_peeling_for_alignment):
3480         (vect_transform_loop):
3481         (vect_analyze_operations):
3482         (vect_analyze_scalar_cycles):
3483         (vect_analyze_data_ref_dependences):
3484         (vect_analyze_data_refs_alignment):
3485         (vect_analyze_data_ref_accesses):
3486         (vect_analyze_data_refs):
3487         (vect_mark_stmts_to_be_vectorized):
3488         (vect_get_loop_niters):
3489         (vect_analyze_loop_form):
3490         (vect_analyze_loop): Likewise.
3491         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
3492
3493 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
3494
3495         PR bootstrap/19796
3496         Revert:
3497         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3498         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3499         either -ffast-math or -funsafe-math-optimizations is in use.
3500
3501         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3502         * config/mips/irix-csr.c: New file.
3503         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3504         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3505         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3506         executables.
3507
3508 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
3509
3510         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
3511         redundant, incorrect definitions.
3512
3513         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
3514         expand.
3515         ("*tls_indirect_call"): New, reference hard regs directly.
3516         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
3517
3518 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3519
3520         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
3521         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
3522
3523 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3524
3525         PR rtl-optimization/19800
3526         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
3527         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
3528         gen_lowpart.
3529
3530 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
3531
3532         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
3533
3534 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
3535
3536         PR other/17135
3537         * doc/invoke.texi: Correct documentation of -freorder-functions.
3538
3539 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3540
3541         PR other/14402
3542         * doc/invoke.texi: Don't mention gccbug.
3543
3544 2005-02-06  Roger Sayle  <roger@eyesopen.com>
3545             Andrew Pinski  <pinskia@physics.uc.edu>
3546             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
3547
3548         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3549         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
3550         into just (zero_extract:SI FOO (const_int 1) BAR).
3551
3552 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3553
3554         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
3555         macro locally.  Don't give last revision date.  Use GCC version
3556         number from gcc-common.texi.
3557         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
3558         revision date.  Use GCC version number from gcc-common.texi.
3559         Describe being a library as current state rather than as 3.x
3560         history.
3561         * doc/gcc.texi: Remove last update date.
3562         * doc/gccint.texi: Likewise.  Update copyright dates.
3563         * doc/install.texi: Update copyright dates.
3564
3565 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
3566
3567         PR other/7549
3568         * doc/invoke.texi: Mention for each option included in -Wall that
3569         it is included in -Wall.
3570         * doc/gcc.texi: Update copyright and last modification date.
3571
3572 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3573
3574         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3575         unnecessary cast to original induction variable increments.
3576
3577 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
3578
3579         PR tree-optimization/18219
3580         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3581         in distributed form.
3582
3583 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
3584
3585         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3586         Set bitpos and offset later in the function.  Do nothing if the
3587         target is a register and if the bitfield lies completely outside
3588         that register.
3589         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3590         here.  Return an uninitialised register if the source value is stored
3591         in a register and the bitfield lies completely outside that register.
3592
3593 2005-02-06  Steven Bosscher  <stevenb@suse.de>
3594
3595         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3596         not SET_DEST.
3597
3598 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
3599
3600         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3601
3602 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
3603
3604         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3605         * config/darwin8.h: New.
3606         * config/darwin7.h: Update comment.
3607
3608 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3609             Dorit Naishlos  <dorit@il.ibm.com>
3610
3611         * tree-vectorizer.h (LOC): New type.
3612         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3613         (loop_line_number): New field in struct _loop_vec_info.
3614         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3615
3616         * tree-vectorizer.c (input.h): Included.
3617         (find_loop_location): New function.
3618         (vect_debug_stats): Argument changed from loop to LOC. Computation of
3619         loop line number removed.
3620         (vect_debug_details): Likewise.
3621         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3622
3623         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3624         call to vect_debug_details/stats changed from loop to loop_loc.
3625         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3626         (slpeel_tree_peel_loop_to_edge): Likewise.
3627
3628         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3629         changed from NULL to UNKNOWN_LOC.
3630         (vect_get_base_and_offset):
3631         (vect_create_addr_base_for_vector_ref):
3632         (get_vectype_for_scalar_type):
3633         (vect_create_data_ref_ptr):
3634         (vect_init_vector):
3635         (vect_get_vec_def_for_operand):
3636         (vect_finish_stmt_generation):
3637         (vectorizable_assignment):
3638         (vectorizable_operation):
3639         (vectorizable_store):
3640         (vectorizable_load):
3641         (vect_transform_stmt):
3642         (vect_update_ivs_after_vectorizer):
3643         (vect_do_peeling_for_loop_bound):
3644         (vect_do_peeling_for_alignment):
3645         (vect_transform_loop):
3646         (vect_is_simple_use):
3647         (vect_analyze_operations):
3648         (vect_is_simple_iv_evolution):
3649         (vect_analyze_scalar_cycles):
3650         (vect_analyze_data_ref_dependences):
3651         (vect_compute_data_ref_alignment):
3652         (vect_enhance_data_refs_alignment):
3653         (vect_analyze_data_ref_access):
3654         (vect_analyze_data_ref_accesses):
3655         (vect_analyze_pointer_ref_access):
3656         (vect_get_memtag_and_dr):
3657         (vect_analyze_data_refs):
3658         (vect_mark_relevant):
3659         (vect_stmt_relevant_p):
3660         (vect_mark_stmts_to_be_vectorized):
3661         (vect_can_advance_ivs_p):
3662         (vect_get_loop_niters):
3663         (vect_analyze_loop):
3664         (vectorize_loops): Likewise.
3665
3666         (vectorizable_load): Argument in call to vect_debug_details/stats
3667         changed from loop to LOOP_LOC (loop_vinfo).
3668         (vect_transform_loop):
3669         (vect_analyze_operations):
3670         (vect_analyze_scalar_cycles):
3671         (vect_analyze_data_ref_dependence):
3672         (vect_enhance_data_refs_alignment):
3673         (vect_analyze_data_ref_accesses):
3674         (vect_analyze_pointer_ref_access):
3675         (vect_analyze_data_refs):
3676         (vect_analyze_loop): Likewise.
3677
3678         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3679         changed from loop to loop_loc.
3680
3681         (vect_enhance_data_refs_alignment): Removed unused variable loop.
3682
3683 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
3684             Dorit Naishlos  <dorit@il.ibm.com>
3685
3686         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3687         declaration added.
3688         (vect_analyze_data_ref_dependences): Likewise.
3689
3690         (vect_is_simple_use): Argument changed from loop structure to
3691         loop_vect_info structure.
3692         (vect_can_advance_ivs_p): Likewise.
3693         (vect_create_index_for_vector_ref): Likewise.
3694         (vect_update_ivs_after_vectorizer): Likewise.
3695         (new_stmt_vec_info): Likewise.
3696
3697         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3698         changed from loop to loop_vinfo.
3699         (vect_create_data_ref_ptr): First argument in call to
3700         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3701         (vectorizable_assignment): Second argument in call to vect_is_simple_use
3702         was changed from loop to loop_vinfo.
3703         (vectorizable_operation): Likewise.
3704         (vectorizable_store): Likewise.
3705         (vect_mark_stmts_to_be_vectorized): Likewise.
3706         (vect_do_peeling_for_loop_bound): First argument in call to
3707         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3708         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3709         was changed from loop to loop_vinfo.
3710         (vect_analyze_data_ref_dependences): Third argument in call to
3711         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3712
3713         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3714         (vect_create_data_ref_ptr): Likewise.
3715         (vect_init_vector): Likewise.
3716         (vect_get_vec_def_for_operand): Likewise.
3717         (vectorizable_assignment): Likewise.
3718         (vectorizable_operation): Likewise.
3719         (vectorizable_store): Likewise.
3720         (vectorizable_load): Likewise.
3721         (vect_update_ivs_after_vectorizer): Likewise.
3722         (vect_is_simple_use): Likewise.
3723         (vect_analyze_data_ref_dependence): Likewise.
3724         (vect_analyze_pointer_ref_access): Likewise.
3725         (vect_can_advance_ivs_p): Likewise.
3726
3727         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3728         before _stmt_vec_info.
3729         (_stmt_vec_info): Loop field replaced by loop_vec_info.
3730         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3731         (new_stmt_vec_info): Argument changed from loop structure to
3732         loop_vect_info structure
3733
3734         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3735         (vect_analyze_offset_expr): Avoid 80 columns overflow.
3736         (vect_create_addr_base_for_vector_ref): Likewise.
3737         (vect_analyze_pointer_ref_access): Likewise.
3738
3739 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3740
3741         PR tree-opt/19768
3742         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3743         phi flag if the phi is abnormal.
3744
3745 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
3746
3747         PR tree-opt/19736
3748         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3749         information for the new statement.
3750
3751 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3752
3753         PR driver/19117
3754         * gcc.c (main): Include the target in -v output.
3755
3756 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3757
3758         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3759         Do not drop the extend if we'd have to add a paradoxical subreg
3760         later.  Include optabs.h and insn-codes.h.
3761         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3762
3763 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3764
3765         PR middle-end/19405
3766         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3767         * fold-const.c (const_binop): Avoid constant folding floating
3768         point operations in modes that use composite representations.
3769         * simplify-rtx.c (simplify_binary_operation): Likewise.
3770
3771 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3772
3773         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3774         a REG, not a MEM.
3775         (altivec_dstt): Likewise.
3776         (altivec_dstst): Likewise.
3777         (altivec_dststt): Likewise.
3778         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3779         of first operand.
3780
3781 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3782
3783         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3784         EXPR_LOCUS from orig_cond to the new cond_stmt.
3785         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3786         the new vec_stmt.
3787
3788 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3789
3790         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3791         standard_iv_increment_position. Remove call to bsi_next
3792         (no need to bump the iterator anymore).
3793         (vect_create_index_for_vector_ref): Call
3794         standard_iv_increment_position. Remove second function argument.
3795         (vect_finish_stmt_generation): Remove call to bsi_next
3796         (no need to bump the iterator anymore).
3797         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3798         to vect_create_index_for_vector_ref.
3799
3800 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3801
3802         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3803         phis are used out of the loop.
3804
3805 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3806
3807         PR c/17807
3808         * c-decl.c (undef_nested_function): New variable.
3809         (pop_scope): Diagnose undefined nested functions.
3810         (finish_function): Don't attempt cgraph processing or genericizing
3811         if current top-level function contained an undefined nested
3812         function.  Reset undef_nested_function at the end of a top-level
3813         function.
3814
3815 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3816
3817         * tree.c (build_int_cst_type): Take sign of the value into account
3818         when deciding whether sign extend the value.
3819
3820 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3821
3822         PR c/18502
3823         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3824         (cpp_options, cc1_options): Change %{std*&ansi} to
3825         %{std*&ansi&trigraphs}.
3826
3827 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3828
3829         * cse.c: Update comments.
3830
3831 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3832
3833         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3834         arguments go on the stack.  Do not put complex doubles in odd/even
3835         pairs.
3836
3837 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3838
3839         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3840         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3841         -ftree-pre, and -fthread-jumps.
3842
3843 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3844
3845         PR tree-optimization/19578
3846         * tree-flow.h (modified_noreturn_calls): Declare.
3847         (noreturn_call_p): Declare.
3848         * tree-flow-inline.h (noreturn_call_p): New function.
3849         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3850         * tree-cfg.c (modified_noreturn_calls): New variable.
3851         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3852         that contain a mid-block noreturn call.
3853         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3854
3855 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3856
3857         * df.c (df_def_record_1, df_uses_record): Don't use
3858         DF_FOR_REGALLOC.
3859         * df.h (DF_FOR_REGALLOC): Remove.
3860
3861 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3862
3863         PR c/19435
3864         * c-typeck.c (really_start_incremental_init): Reset
3865         constructor_max_index for arrays of incomplete type.
3866
3867 2005-02-02  Jeff Law  <law@redhat.com>
3868
3869         * gcse.c (struct reg_set): Store the block index where the register
3870         was set rather than the setting insn.
3871         (record_one_set, compute_transp): Corresponding changes.
3872         (pre_insert_copy_insn): Do not call replace_one_set.
3873         (replace_one_set): Remove.
3874
3875 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3876
3877         PR other/15514
3878         * doc/gcov.texi: Fix typo.
3879
3880 2005-02-01  Richard Henderson  <rth@redhat.com
3881
3882         PR target/19680
3883         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3884         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3885         type to bool.
3886         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3887         * config/i386/i386-protos.h: Update.
3888
3889 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3890
3891         PR tree-optimization/19217
3892         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3893         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3894         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3895         that it is walking a PHI node.
3896
3897 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3898
3899         * doc/extend.texi (Nested Functions): Update.
3900
3901 2005-02-01  Richard Henderson  <rth@redhat.com>
3902
3903         PR 19696
3904         * optabs.c (expand_copysign_absneg): Export.
3905         * optabs.h (expand_copysign_absneg): Declare.
3906         * config/rs6000/rs6000.md (copysigntf3): New.
3907
3908 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3909
3910         PR tree-optimization/19633
3911         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3912         * tree-ssa-alias.c (init_alias_info): Initialize.
3913         (merge_pointed_to_info): Set.
3914         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3915         (dump_points_to_info_for): Show value of pt_null.
3916         (struct count_ptr_d): Declare.
3917         (find_ptr_dereference): Remove.
3918         (ptr_is_dereferenced_by): Remove.
3919         (count_ptr_derefs): New local function.
3920         (count_uses_and_derefs): New local function.
3921         (compute_points_to_and_addr_escape): Call it.  If the number
3922         of dereferences is greater than zero, mark the pointer as
3923         dereferenced.  If there are fewer dereferences than uses of
3924         the pointer, the pointer's value escapes.
3925
3926 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3927
3928         PR tree-optimization/19670
3929         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3930         here...
3931         (verify_use): ... set it here, instead.
3932
3933 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3934
3935         * doc/sourcebuild.texi (Test directives): Fix formatting.
3936
3937         * doc/sourcebuild.texi (Test directives): Describe selector
3938         expressions.
3939
3940 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3941
3942         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3943         specific 64-bit CPUs.
3944
3945 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3946
3947         PR target/16201
3948         * arm.c (arm_eliminable_register): New function.
3949         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3950         HOST_WIDE_INT for address offsets.
3951         * arm-protos.h (arm_eliminable_register): Add prototype.
3952
3953 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3954
3955         PR optimization/15242
3956         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3957         * basic-block.h (duplicate_computed_gotos): Add prototype.
3958         * bb-reorder.c (duplicate_computed_gotos): New function to
3959         duplicate sufficiently small blocks ending in a computed jump.
3960         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3961         if not optimizing for size.
3962         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3963         never do tail merging for blocks ending in a computed jump.
3964         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3965
3966 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3967
3968         Patch from Richard Sandiford <rsandifo@redhat.com>
3969         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3970         from inheriting a subreg equivalence with a non-spill register.
3971
3972         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3973
3974 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3975
3976         * config/frv/frv.c (movcc_fp_destination_operand): New.
3977         (gpr_or_memory_operand): Fix typo in comment.
3978         (gpr_or_memory_operand_with_scratch): New.
3979         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3980         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3981         movcc_fp_destination_operand.
3982         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3983         Legitimize memory addresses using a scratch register.
3984
3985 2005-01-31  Jeff Law  <law@redhat.com>
3986
3987         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3988         bitmap a sparse bitmap instead of a simple bitmap.
3989         (mark_def_sites_initialize_block):  Corresponding changes.
3990         (ssa_mark_def_sites_initialize_block): Likewise.
3991         (ssa_mark_phi_uses): Likewise.
3992         (mark_def_site, ssa_mark_def_sites): Likewise.
3993         (mark_def_site_blocks): Likewise.
3994         (rewrite_ssa_into_ssa): Likewise.
3995
3996         * tree-ssa-dom.c (record_cond): Pass correct variable type
3997         for last argument to htab_find_slot_with_hash.
3998
3999         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4000         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4001
4002 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4003
4004         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4005         1_mmalua.
4006
4007 2005-02-01  Eric Christopher  <echristo@redhat.com>
4008
4009         * config/mips/mips.c (override_options): Warn if -mint64
4010         is used.
4011         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4012         deprecated.
4013
4014 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4015
4016         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4017         timestamp.
4018         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4019         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4020         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4021         (cached_regno): Initialize to INVALID_REGNUM.
4022         (cse_reg_info_table_size,
4023         cse_reg_info_table_first_uninitialized,
4024         cse_reg_info_timestamp): New.
4025         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4026         get_cse_reg_info.
4027         (init_cse_reg_info, get_cse_reg_info_1): New.
4028         (get_cse_reg_info): Cache the last look-up.
4029         (new_basic_block): Update the code to clear mappings from
4030         registers to cse_reg_info entries.
4031         (cse_main): Call init_cse_reg_info.
4032
4033         * cse.c (get_cse_reg_info): Update a comment.
4034
4035 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4036
4037         PR c/19333
4038         * c-decl.c (start_decl): Do not warn about arrays of elements with
4039         an incomplete type here.
4040         (grokdeclarator): Do it here by making a pedwarn an error.
4041         * c-typeck.c (push_init_level): If there were previous errors with
4042         the constructor type, do not warn about braces for initializers.
4043         (process_init_element): Likewise for excess initializer elements.
4044
4045 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4046
4047         * cse.c (delete_trivially_dead_insn): Don't iterate.
4048
4049 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4050
4051         * config/rs6000/rs6000.md (copysignsf3): New expand.
4052         (copysigndf3): Likewise.
4053
4054 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4055
4056         * recog.c (constrain_operands): Only look for earlyclobber operand
4057         conflicts if an '&' constraint was seen.
4058
4059 2005-01-31  Marc Espie <espie@openbsd.org>
4060
4061         * config.gcc: Don't include embedded systems fragment, switches default
4062         debugging format to ELF.
4063         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4064         longer pick it up there.
4065
4066 2005-01-31  Dale Johannesen  <dalej@apple.com>
4067
4068         * doc/extend.texi (nested functions): Fix linkage description.
4069         Clarify that static is not allowed.
4070
4071 2005-01-31  Dale Johannesen  <dalej@apple.com>
4072
4073         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4074         (movdf_low_di):  Make work.
4075
4076 2005-01-31  Dale Johannesen  <dalej@apple.com>
4077
4078         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4079         Make work for 64 bit.
4080
4081 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4082             Dale Johannesen  <dalej@apple.com>
4083
4084         PR middle-end/19650
4085         * fold-const.c (fold_binary_op_with_conditional_arg):
4086         Make types match original operands, before STRIP_NOPS.
4087
4088 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4089
4090         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4091         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
4092         (struct gcc_sigcontext): Delete.  Merge contents to..
4093         (struct gcc_ucontext): ..here.
4094         (get_sigcontext): Delete.
4095         (get_regs): New function, like get_sigcontext but return regs ptr.
4096         64-bit version finds regs from r1 to support vdso.
4097         (ppc_linux_aux_vector): New function.
4098         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
4099         and vector regs.
4100
4101 2005-01-31  Ira Rosen  <irar@il.ibm.com>
4102
4103         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
4104         sizetype.
4105         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
4106         redundant fold. Fix misalignment for MINUS_EXPR.
4107         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
4108         (vect_analyze_pointer_ref_access): Likewise.
4109         (vect_get_memtag_and_dr): Likewise.
4110
4111 2005-01-31  Richard Henderson  <rth@redhat.com>
4112
4113         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
4114         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
4115         absnegdf2_i387, absnegxf2_i387): Likewise.
4116
4117 2005-01-31  Richard Henderson  <rth@redhat.com>
4118
4119         PR 19696
4120         * optabs.c (expand_copysign_absneg): New.
4121         (expand_copysign_bit): Split out from ...
4122         (expand_copysign): ... here.  Use expand_copysign_absneg.
4123
4124 2005-01-30  Roger Sayle  <roger@eyesopen.com>
4125
4126         PR middle-end/19697
4127         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
4128         constant as the second operand and a register as the third.
4129
4130 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
4131
4132         PR target/19704
4133         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
4134         that dllimport'd functions do not use all call-clobbered registers
4135         to pass parameters.
4136
4137 2005-01-30  Richard Henderson  <rth@redhat.com>
4138
4139         PR 19696
4140         * optabs.c (expand_absneg_bit): Split out from expand_unop and
4141         expand_abs_nojump and generalize.  Use operand_subword and
4142         emit_no_conflict_block.  Support large modes.
4143         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
4144         back to maximum.
4145         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
4146         negation to subtraction.
4147         (expand_copysign): Check that the format has signed zeros.
4148         Use operand_subword and emit_no_conflict_block.  Support large modes.
4149
4150 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
4151
4152         Fix PR tree-optimization/19624
4153
4154         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
4155         * tree-ssa-pre.c: Add cfgloop.h.
4156         Update comment.
4157         (pre_stats): New member, constified.
4158         (inserted_exprs): New static variable.
4159         (NECESSARY): New macro.
4160         (create_expression_by_pieces): Fold the expression, and
4161         mark it as defaulting to not necessary. Also put in
4162         inserted_exprs.
4163         (fully_constant_expression): New function.
4164         (insert_into_preds_of_block): Modify to not insert phis when we
4165         are playing with induction variables.
4166         Push phis onto the inserted_exprs vector, and mark them as not
4167         necessary by default.
4168         (insert_aux): Call fully_constant_expression on eprime.
4169         If all edges produce the same value, mark it constant.
4170         (mark_operand_necessary): New function.
4171         (remove_dead_inserted_code): New function.
4172         (init_pre): Init loop optimizer to get loop info.
4173         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
4174         (execute_pre): Commit edge inserts, then remove dead code.
4175
4176 2005-01-30  Richard Henderson  <rth@redhat.com>
4177
4178         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
4179         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
4180
4181 2005-01-30  Richard Henderson  <rth@redhat.com>
4182
4183         PR target/19700
4184         * config/i386/i386.c (ix86_expand_copysign): New.
4185         (ix86_split_copysign_const): New.
4186         (ix86_split_copysign_var): Rename from ix86_split_copysign,
4187         rearrange op1/nmask operands.
4188         * config/i386/i386-protos.h: Update.
4189         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
4190         (copysigndf3): Likewise.
4191         (copysignsf3_const, copysigndf3_const): New.
4192         (copysignsf3_var): Rename from copysignsf3, split out splitter
4193         and fix split predicate for X constraint.
4194         (copysigndf3_var): Similarly.
4195
4196 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
4197
4198         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
4199         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
4200         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
4201
4202 2005-01-29  Richard Henderson  <rth@redhat.com>
4203
4204         PR target/19690
4205         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
4206         of # and * in constraints.
4207
4208 2005-01-29  Richard Henderson  <rth@redhat.com>
4209
4210         PR middle-end/19689
4211         * expr.c (store_field): Don't strip sub-mode cast when the input
4212         data is even smaller.
4213
4214 2005-01-29  Richard Henderson  <rth@redhat.com>
4215
4216         PR middle-end/19687
4217         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
4218         union being empty.
4219
4220 2005-01-29  Richard Henderson  <rth@redhat.com>
4221
4222         * combine.c (make_field_assignment): Fix argument order
4223         to gen_int_mode.
4224
4225 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
4226
4227         PR tree-optimization/15791
4228         * fold-const.c (extract_array_ref): New function.
4229         (fold): Fold comparisons between &a[i] and &a[j] or
4230         semantically equivalent trees.
4231
4232 2005-01-29  Jeff Law  <law@redhat.com>
4233
4234         * gcse.c (insert_expr_in_table): Revamp handling of available
4235         and anticipatable occurrence lists to avoid unnecessary list
4236         walking.
4237         (insert_set_in_table): Similarly.
4238
4239 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
4240
4241         * c-common.c (fix_string_type): Just use c_build_qualified_type to
4242         build string type.
4243         (c_build_qualified_type): Build qualified array types with
4244         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
4245         * c-decl.c (c_make_fname_decl): Build unqualified array type
4246         before qualified type.
4247         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
4248         type is qualified, not just if type itself is.  Don't apply
4249         qualifiers to array type when declarator is processed.  Apply
4250         qualifiers to field type whether or not it is an array type.
4251         Don't handle array types specially for applying qualifiers to
4252         variables.
4253         * c-typeck.c (composite_type): Build unqualified element type and
4254         array type when forming composite of array types.
4255         (common_pointer_type, comptypes, comp_target_types,
4256         type_lists_compatible_p, build_indirect_ref, build_array_ref,
4257         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
4258         types.
4259         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
4260         (args2) in variables a1 and a2.
4261
4262 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
4263
4264         * cse.c (n_elements_made, max_elements_made): Remove.
4265         (insert): Don't touch n_elements_made.
4266         (cse_main): Don't touch n_elements_made or max_elements_made.
4267
4268 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
4269
4270         PR target/15384
4271         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
4272         configuration part of dp-bit.c to be lost.
4273
4274 2005-01-28  Roger Sayle  <roger@eyesopen.com>
4275
4276         * expmed.c (expand_mult_highpart_optab): When attempting to use
4277         a non-widening multiplication in a wider mode, the operands need
4278         to be converted (zero or sign extended) to that mode.
4279
4280 2005-01-28  Ian Lance Taylor  <ian@airs.com>
4281
4282         PR middle-end/16558
4283         PR middle-end/19583
4284         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
4285         through if both operands fall through.
4286
4287 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4288
4289         * cse.c (fold_rtx) <PC>: Don't optimize.
4290
4291 2005-01-28  Jeff Law  <law@redhat.com>
4292
4293         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
4294         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
4295
4296 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
4297
4298         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
4299         cse_reg_info_used_list_end): Remove.
4300         (cse_reg_info_list, cse_reg_info_list_free): New.
4301         (get_cse_reg_info): When allocating an instance of
4302         cse_reg_info, add it to the beginning of the cse_reg_info_list
4303         list.  Remove code to maintain cse_reg_info_used_list.
4304         (new_basic_block): Reset the free list to the beginning of
4305         cse_reg_info_list.
4306
4307 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
4308
4309         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
4310         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
4311         (frv_expand_mdpackh_builtin): New function.
4312         (frv_expand_builtin): Use it to expand __MDPACKH.
4313         * doc/extend.texi (__MDPACKH): Update documentation.
4314
4315 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
4316
4317         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
4318         SSE_FLOAT_MODE_P for use_sse computation.
4319
4320 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
4321
4322         PR target/19663
4323         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
4324
4325 2005-01-27  Richard Henderson  <rth@redhat.com>
4326
4327         * builtins.c (expand_builtin_copysign): New.
4328         (expand_builtin): Call it.
4329         * genopinit.c (optabs): Add copysign_optab.
4330         * optabs.c (init_optabs): Initialize it.
4331         (expand_copysign): New.
4332         * optabs.h (OTI_copysign, copysign_optab): New.
4333         (expand_copysign): Declare.
4334
4335         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
4336         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
4337
4338         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
4339         (ix86_expand_fp_absneg_operator): ... here.
4340         (ix86_split_copysign): New.
4341         * config/i386/i386-protos.h: Update.
4342         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
4343         (copysignsf3, copysigndf3): New.
4344
4345         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
4346         (copysignsf3, ncopysignsf3): New.
4347         (copysigndf3, ncopysigndf3): New.
4348         (copysignxf3, ncopysignxf3): New.
4349         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
4350
4351 2005-01-27  Arend Bayer  <arend.bayer@web.de>
4352             Kazu Hirata  <kazu@cs.umass.edu>
4353
4354         * cse.c: (find_best_addr): Don't call copy_rtx before calling
4355         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
4356         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
4357         NULL_RTX.
4358
4359 2005-01-27  Jeff Law  <law@redhat.com>
4360
4361         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
4362         definitions of SSA_NAMEs which are not being rewritten.
4363         (rewrite_ssa_into_ssa): Only initialize the current definition
4364         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
4365         If checking is enabled, assert that SSA_NAME_AUX is clear for all
4366         SSA_NAMEs before returning.
4367
4368 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
4369
4370         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
4371         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
4372         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
4373         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
4374         config/mips/iris6.h, config/sh/sh.c: Update copyright.
4375
4376 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4377
4378         PR middle-end/17278
4379         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
4380         higher to -O2 and higher.  Likewise for tree PRE.
4381         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
4382         and better.
4383
4384 2005-01-27  Ian Lance Taylor  <ian@airs.com>
4385
4386         PR middle-end/19583
4387         * gimple-low.c (try_catch_may_fallthru): New static function.
4388         (block_may_fallthru): Handle TRY_CATCH_EXPR.
4389         * tree-inline.c (expand_call_inline): Don't warn about reaching
4390         the end of a non-void function being inlined if the function uses
4391         a return slot.
4392
4393 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
4394
4395         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
4396
4397         PR c/18946
4398         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
4399         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
4400         (implicitly_declare): Handle error_mark_node.
4401
4402 2005-01-27  Richard Henderson  <rth@redhat.com>
4403
4404         PR tree-opt/14329
4405         * tree.h (struct tree_decl): Add debug_expr_is_from.
4406         (DECL_DEBUG_EXPR_IS_FROM): New.
4407         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
4408         * dwarf2out.c (dwarf2out_var_location): Update to match.
4409         * tree-outof-ssa.c (create_temp): Likewise.
4410         * var-tracking.c (track_expr_p): Likewise.
4411         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
4412         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
4413         * toplev.c (default_tree_printer): Likewise.
4414
4415 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
4416
4417         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
4418         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
4419
4420 2005-01-27  Steven Bosscher  <stevenb@suse.de>
4421
4422         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
4423         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
4424         ASM_CLOBBERS): Add tree checks.
4425
4426         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
4427         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
4428         * c-common.def (SWITCH_STMT): Update to match.
4429         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
4430         macros instead of SWITCH_EXPR ones.
4431         * c-dump.c (c_dump_tree): Likewise.
4432         * c-gimplify.c (gimplify_switch_stmt): Likewise.
4433         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
4434
4435         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
4436
4437 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
4438
4439         * unwind-dw2.c (execute_stack_op): Add missing cases for
4440         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
4441
4442 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4443
4444         * config.gcc (Obsolete configurations): Remove 'dummy', add
4445         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
4446         sparc-*-openbsd*.
4447
4448 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
4449
4450         PR tree-optimization/19633
4451         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
4452         CALL_EXPRs.
4453         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
4454         are no call-clobbered variables.
4455         * tree-outof-ssa.c (check_replaceable): Return false for calls
4456         with side-effects.
4457
4458 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
4459
4460         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
4461         even for variables with NULL DECL_INITIAL.
4462
4463 2005-01-26  Stuart Hastings  <stuart@apple.com>
4464
4465         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
4466
4467 2005-01-26  Richard Henderson  <rth@redhat.com>
4468
4469         PR middle-end/18008
4470         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4471         field's type.
4472         * expr.c (store_field): Strip conversions to odd-bit-sized types
4473         if the destination field width matches.
4474
4475 2005-01-26  Richard Henderson  <rth@redhat.com>
4476
4477         * c-decl.c, expmed.c, expr.c: Revert last change.
4478
4479 2005-01-26  Richard Henderson  <rth@redhat.com>
4480
4481         PR middle-end/18008
4482         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
4483         field's type.
4484         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
4485         if we don't need the bits above those present in the current mode.
4486         * expr.c (store_field): Strip conversions to odd-bit-sized types
4487         if the destination field width matches.
4488
4489 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4490
4491         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4492         either -ffast-math or -funsafe-math-optimizations is in use.
4493
4494 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4495
4496         PR target/19293
4497         PR target/19329
4498         * config/avr/avr.c (notice_update_cc): Only set condition code for
4499         ashrqi3 if shift count > 0.
4500         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
4501         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
4502         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
4503         count <= 0 as a no-op, and shift count >= width by copying zero
4504         or sign bit to all bits of the result.
4505         * config/avr/avr.md (all shifts): Add alternatives for zero shift
4506         count, with attribute "length" set to 0 and "cc" set to "none".
4507
4508 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4509
4510         * doc/invoke.texi: Document -mTLS.
4511
4512         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
4513         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
4514         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
4515         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
4516         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
4517         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
4518         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
4519         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
4520
4521         * configure.ac: Check for a TLS capable gas.
4522
4523         * configure: Regenerate.
4524
4525 2005-01-26  Richard Henderson  <rth@redhat.com>
4526
4527         PR middle-end/18008
4528         * combine.c (make_field_assignment): Simplify store to zero_extract
4529         from a source with an overlapping mask.
4530
4531 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
4532
4533         2004-11-11  Eric Christopher  <echristo@redhat.com>
4534
4535         * config/frv/frv.md: Add fr400_integer automaton. Don't
4536         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
4537         to TYPE_MACC.
4538
4539 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4540
4541         PR middle-end/16585
4542         * cfgbuild.c (make_edges): Do not clear or set
4543         current_function_has_computed_jump.
4544         * function.h (struct function): Remove the has_computed_jump field.
4545         (current_function_has_computed_jump): Do not define.
4546         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
4547         in a computed jump.  Ignore current_function_has_computed_jump.
4548
4549 2005-01-26  Richard Henderson  <rth@redhat.com>
4550
4551         PR middle-end/19515
4552         * expr.c (categorize_ctor_elements): New argument p_must_clear.
4553         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
4554         fully initialized.
4555         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4556         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
4557         objects into static storage if they have more than one non-zero value.
4558         * tree.h (categorize_ctor_elements): Update decl.
4559
4560 2005-01-26  Steven Bosscher  <stevenb@suse.de>
4561
4562         PR middle-end/19616
4563         * tree.h (CALL_EXPR_TAILCALL): Add comment.
4564         * calls.c (check_sibcall_argument_overlap_1): Revert the change
4565         to this function from 2004-07-10.
4566         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4567         the current function for tail call optimizations if the address
4568         of one of it its arguments is taken.
4569
4570 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
4571
4572         * cse.c (fold_rtx): Call equiv_constant only when necessary.
4573
4574 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4575
4576         * function.c (expand_function_end): If current_function_calls_alloca,
4577         emit stack restore in a place that is reached when the function falls
4578         through at the end.
4579
4580 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
4581
4582         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4583         rule to avoid matching inappropriate suffix rule.
4584
4585 2005-01-26  Jan Hubicka  <jh@suse.cz>
4586
4587         PR tree-optimization/19241
4588         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4589
4590 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4591
4592         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4593         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
4594         of doubling.
4595         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4596         <sim*>: Always use crt1.o, regardless of N in simN.
4597         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4598         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4599         (CRT_CALL_STATIC_FUNCTION): Remove.
4600         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4601         use crt1.o, regardless of N in simN.
4602         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4603         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4604         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4605         case isystem setting.
4606         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4607
4608 2005-01-25  Ian Lance Taylor  <ian@airs.com>
4609
4610         * gimple-low.c (block_may_fallthru): Correct handling of
4611         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4612
4613 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
4614
4615         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4616         handlers to match indentation; nested under the mtune=* handler.
4617         Similar for mcpu= and march=.
4618
4619 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
4620
4621         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4622         * config/mips/linux64.h (LIB_SPEC): Likewise.
4623         * config/mn10300/linux.h (LIB_SPEC): Likewise.
4624         * config/sh/linux.h (LIB_SPEC): Likewise.
4625
4626 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
4627
4628         * config/frv/frv.c (frv_legitimize_tls_address): New.
4629         (TARGET_HAVE_TLS): Define.
4630         (FRV_SYMBOL_REF_TLS_P): Define.
4631         (frv_override_options): Handle new register classes.
4632         (frv_legitimate_address_p): Reject tls addresses.
4633         (frv_legitimize_address): Handle TLS addresses.
4634         (gen_inlined_tls_plt): New.
4635         (gen_tlsmoff): New.
4636         (frv_legitimize_tls_address): New.
4637         (unspec_got_name): Add TLS entries.
4638         (got12_operand): Add R_FRV_TLSMOFF12 case.
4639         (frv_emit_move): Fixup TLS addresses.
4640         (frv_emit_movsi): Legitimize TLS addresses.
4641
4642         * config/frv/frv.h (MASK_BIG_TLS): New.
4643         (TARGET_BIG_TLS): New.
4644         (HAVE_AS_TLS): Define.
4645         (TARGET_SWITCHES): Add -mTLS and -mtls options.
4646         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4647         (REG_CLASS_NAMES): Same.
4648         (REG_CLASS_CONTENTS): Same.
4649         (CONSTRAINT_LEN): New.
4650         (REG_CLASS_FROM_CONSTRAINT): New.
4651         (PREDICATE_CODES): Add symbolic_operand.
4652
4653         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4654         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4655         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4656         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4657         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4658         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4659         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4660         GR9_REG, GR14_REG, LRREG.
4661         (type): Add load_or_call attribute.
4662         ("load_or_call"): New reservation.
4663         ("call_gettlsoff"): New.
4664         ("tls_indirect_call"): New.
4665         ("tls_load_gottlsoff12"): New.
4666         ("tlsoff_hilo"): New.
4667         ("tls_tlsdesc_ldd"): New.
4668         ("tls_tlsoff_ld"): New.
4669         ("tls_lddi"): New.
4670
4671         * config/frv/frv-protos.h (symbolic_operand): Protoize.
4672
4673         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
4674
4675         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4676         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4677         * config/frv/frv.c (TLS_BIAS): Define.
4678         (frv_output_dwarf_dtprel): New.
4679
4680 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
4681
4682         PR rtl-optimization/19579
4683         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4684         both A and B, see if they don't clobber registers the other expr uses.
4685
4686 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
4687
4688         * real.c (do_add): Initialize signalling and canonical members.
4689
4690         * real.c (real_from_integer): Zero out destination.
4691
4692 2005-01-18  Jan Hubicka  <jh@suse.cz>
4693
4694         PR tree-optimize/19337
4695         * tree-inline.c (initialize_inlined_parameters): Copy
4696         saved_static_chain_decl only.
4697
4698 2005-01-25  Richard Henderson  <rth@redhat.com>
4699
4700         PR target/19556
4701         PR target/19584
4702         * config/i386/i386.c (x86_inter_unit_moves): Zero.
4703         (ix86_preferred_reload_class): Rewrite fp-constant section, with
4704         80387 enabled, to return a proper subclass.  Return the subset that
4705         overlaps with GENERAL_REGS for PLUS.
4706         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4707
4708 2005-01-25  Richard Henderson  <rth@redhat.com>
4709
4710         PR middle-end/19609
4711         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4712
4713 2005-01-25  Roger Sayle  <roger@eyesopen.com>
4714
4715         * expmed.c (choose_multiplier): Change interface to return the
4716         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4717         (expand_divmod): Update calls to choose_multiplier.
4718
4719 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4720
4721         PR middle-end/19330
4722         * expmed.c (extract_bit_field): Use adjust_address instead of
4723         gen_lowpart when op0 is a MEM.
4724
4725 2005-01-24  Steven Bosscher  <stevenb@suse.de>
4726
4727         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4728
4729 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4730
4731         * config/mips/irix-csr.c: New file.
4732         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4733         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4734         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4735         executables.
4736
4737 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4738
4739         PR bootstrap/19364
4740         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4741         sparc/elf.h, add sparc/sp-elf.h.
4742         (sparc-*-rtems*): Likewise.
4743         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4744         tm-dwarf2.h, add sparc/sp-elf.h.
4745         (sparc86x-*-elf): Likewise.
4746         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4747         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4748         TARGET_OS_CPP_BUILTINS.
4749         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4750         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4751         Undefine it.
4752         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4753         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4754         (SWITCH_TAKES_ARG): Likewise.
4755         (LOCAL_LABEL_PREFIX): Likewise.
4756         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4757         (TARGET_N_FORMAT_TYPES): Delete.
4758         (TARGET_FORMAT_TYPES): Likewise.
4759         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4760         * config/sparc/elf.h: Delete.
4761         * config/sparc/sp-elf.h: New file.
4762
4763 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4764
4765         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4766         * tree-flow.h: Remove the corresponding prototype.
4767         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4768         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4769
4770 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4771
4772         PR target/17751
4773         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4774         for AIX ABI or ELF -fPIC.
4775         (rs6000_emit_load_toc_table): Don't create toc_section here.
4776         (rs6000_xcoff_file_start): Nor here.
4777
4778 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4779
4780         * sh.c (ra.h): Don't #include.
4781         (hard_regs_intersect_p): New function, resurrected from ra.c.
4782
4783         * sh.c: Fix 1996 Copyright.
4784
4785 2005-01-24  Richard Henderson  <rth@redhat.com>
4786             Aldy Hernandez  <aldyh@redhat.com>
4787
4788         * regrename.c (note_sets): Handle subregs.
4789
4790 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4791
4792         PR bootstrap/18058
4793         * genconditions.c (write_header, write_conditions): Elide file if
4794         not GCC >= 3.0.1.
4795
4796 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4797
4798         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4799         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4800         Update copyright.
4801
4802 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4803
4804         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4805         expand_builtin_printf, expand_builtin_fprintf,
4806         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4807         checking against POINTER_TYPE.
4808         (validate_arglist): Handle POINTER_TYPE code by checking
4809         POINTER_TYPE_P.
4810
4811 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4812
4813         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4814         init_rtlanal): New.
4815         (for_each_rtx): Call for_each_rtx_1.
4816         * rtl.h (init_rtlanal): Declare.
4817         * toplev.c (backend_init): Call init_rtlanal.
4818
4819 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4820
4821         * flow.c (propagate_one_insn): Formatting.
4822
4823         PR middle-end/19551
4824         * flow.c (libcall_dead_p): Be more conservative if unsure.
4825         If there are any instructions between insn and call, see if they are
4826         all dead before saying the libcall is dead.
4827
4828 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4829
4830         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4831         operand constraint for operand 0.
4832
4833 2005-01-23  Richard Henderson  <rth@redhat.com>
4834
4835         PR 19486
4836         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4837         edges leading to join block.
4838
4839 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4840
4841         * expmed.c (expand_mult_highpart): Make static.  Change type of
4842         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4843         (expand_divmod): Updates calls to expand_mult_highpart by using
4844         gen_int_mode to pass a CONST_INT rtx.
4845         * rtl.h (expand_mult_highpart): Remove prototype.
4846
4847 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4848
4849         * flow.c (regset_bytes, regset_size): Remove.
4850
4851         * cfganal.c: Fix a reference to Harvey's paper.
4852
4853 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4854
4855         PR rtl-optimization/19464
4856         * tree-optimize.c (init_tree_optimization_passes): Add one more
4857         copyrename pass just before out-of-ssa.
4858
4859 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4860
4861         PR bootstrap/18058
4862         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4863         * ggc-none.c (ggc_free): Define.
4864
4865 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4866
4867         * cse.c (max_reg, max_insn_uid): Remove.
4868         (cse_main): Don't access max_reg or max_insn_uid.
4869
4870         * c-common.c (explicit_flag_signed_bitfields,
4871         lang_statement_code_p, lang_expand_function_end): Remove.
4872         * c-common.h: Remove the corresponding declarations.
4873         * c-opts.c (c_common_handle_option): Remove all write access
4874         to explicit_flag_signed_bitfields.
4875
4876         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4877         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4878         * cgraph.h: Remove the corresponding declaration.
4879
4880         * gcse.c (null_pointer_info): Remove.
4881
4882 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4883             Eric Botcazou  <ebotcazou@libertysurf.fr>
4884
4885         * combine.c (simplify_logical): Only simplify logical expressions
4886         of the form ior(and(x,y),z) by the inverse distributive law if the
4887         result is cheaper than the original.
4888
4889 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4890
4891         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4892         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4893         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4894         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4895         config/freebsd-spec.h, config/arm/arm.h,
4896         config/h8300/h8300.md, config/i386/i386.md,
4897         config/i386/predicates.md, config/i386/sse.md,
4898         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4899         config/vax/vax.md: Fix comment typos.  Follow spelling
4900         conventions.
4901
4902 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4903
4904         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4905         tests, instead of `less than'.
4906
4907 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4908
4909         * function.c (assign_parm_setup_block): When creating a new stack slot
4910         for a parameter, get its alignment from the parameter's DECL_ALIGN
4911         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4912         is at least word aligned.
4913
4914 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4915
4916         PR middle-end/19378
4917         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4918
4919 2005-01-22  Richard Henderson  <rth@redhat.com>
4920
4921         PR target/19506
4922         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4923         in both compare operands.
4924         (movdfcc_1_sse_max): Likewise.
4925         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4926         (movdfcc_1_sse): Likewise.
4927         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4928         scratch register as needed.
4929
4930 2005-01-22  Richard Henderson  <rth@redhat.com>
4931
4932         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4933
4934         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4935
4936 2005-01-22  Richard Henderson  <rth@redhat.com>
4937
4938         * genopinit.c (optabs): Use smin/smax for floating point too.
4939         * doc/md.texi: Update to match.  Clarify that floating point
4940         results are undefined for +0/-0 and NaN.
4941         * doc/rtl.texi: Likewise.
4942         * rtl.def (SMIN, SMAX): Likewise
4943         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4944
4945         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4946         leading 's' to the name.
4947         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4948         smaxxf3, sminxf3): Likewise.
4949         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4950         Likewise.
4951
4952 2005-01-22  Paul Brook  <paul@codesourcery.com>
4953
4954         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4955
4956 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4957
4958         * config/s390/s390.c (struct processor_costs): New fields
4959         dlgr, dlr, dr, dsgfr, dsgr.
4960         (z900_cost, z990_cost): Values for new fields.
4961         (s390_rtx_costs): New cases MEM und COMPARE in switch
4962         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4963         DIV, MOD, UDIV, UMOD.
4964
4965 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4966
4967         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4968         into the register being decremented.
4969         ("doloop_si31", "doloop_di"): Likewise.
4970         ("*doloop_si_long"): Adapt pattern.
4971
4972 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4973
4974         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4975         access registers.
4976         (CLASS_MAX_NREGS): Likewise.
4977
4978 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4979
4980         * doc/tree-ssa.texi (Statement Operands): Add example for new
4981         must-def macro. Note deprecation of old operands interface.
4982
4983 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4984
4985         PR tree-optimization/19484
4986         * tree-cfg.c (remove_fallthru_edge): New function.
4987         (cleanup_control_flow): Remove fallthru edges from calls that are
4988         now known not to return.
4989
4990 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4991
4992         Fix PR tree-optimization/19038
4993         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4994         copies with loop variant ones.
4995
4996 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4997
4998         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4999         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5000         config/alpha/alpha.md, config/alpha/predicates.md,
5001         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5002         config/sparc/sol2.h: Update copyright.
5003
5004         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5005         first label to see if it is a nonlocal label.
5006
5007 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5008             Andrew Pinski  <pinskia@physics.uc.edu>
5009
5010         PR target/19491
5011         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5012         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5013
5014 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5015
5016         * config/rs6000/rtems.h: Update copyright.
5017
5018 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5019
5020         PR target/19548
5021         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5022         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5023         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5024
5025 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5026
5027         PR c/18809
5028         * c-typeck.c (convert_arguments): Check for error_mark_node.
5029
5030 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5031
5032         PR tree-optimization/13000
5033         * tree-inline.c: Include "tree-flow.h".
5034         (expand_call_inline): If warn_return_type, warn if non-void inline
5035         function falls through.
5036         * tree-cfg.c (execute_warn_function_return): Don't warn about
5037         control reaching end if TREE_NO_WARNING is set.  Set
5038         TREE_NO_WARNING.
5039         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5040         has been lowered.
5041         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5042         branch if we don't need one.
5043         * c-typeck.c: Include "tree-flow.h"
5044         (c_finish_bc_stmt): Don't add a goto if the current statement
5045         list doesn't fall through to the current point.
5046
5047 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5048
5049         PR rtl-optimization/576
5050         * real.c (real_arithmetic): Change return type from void to bool
5051         to return an indication that the result may be inexact.
5052         * real.h (real_arithmeric): Update prototype.
5053         * fold-const.c (const_binop):  Don't constant fold floating
5054         point expressions when the user specifies -frounding-math and
5055         the result may depend upon the run-time rounding mode.
5056         (fold_convert_const_real_from_real): Clean-up.
5057         (fold_initializer): Ignore flag_rounding_math for initializers.
5058         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5059         constant fold FP operations with flag_rounding_math if the
5060         result may depend upon the run-time rounding mode.
5061
5062 2005-01-21  Tom Tromey  <tromey@redhat.com>
5063
5064         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5065
5066 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5067
5068         * tree-cfg.c: Fix comment typos.
5069
5070 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5071
5072         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5073         around the call to rest_of_handle_branch_target_load_optimize.
5074
5075 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5076
5077         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5078         (sparc64-*-openbsd*): Likewise.
5079         (sparclite-*-elf*): Include tm-dwarf2.h.
5080         (sparc86x-*-elf*): Likewise.
5081         (sparc64-*-elf*): Likewise.
5082         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5083         (DBX_DEBUGGING_INFO): Likewise.
5084         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5085         (PREFERRED_DEBUGGING_TYPE): Likewise.
5086         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5087         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5088         (PREFERRED_DEBUGGING_TYPE): Likewise.
5089         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5090         (PREFERRED_DEBUGGING_TYPE): Likewise.
5091         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
5092
5093 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
5094
5095         PR target/18701
5096         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
5097
5098 2005-01-20  Paul Brook  <paul@codesourcery.com>
5099
5100         * doc/rtl.texi: Document value extension requirements for CONST_INT.
5101
5102 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5103
5104         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
5105         label is first in a sequence of labels.
5106
5107         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
5108
5109 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
5110             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5111
5112         * doc/sourcebuild.texi (Test Directives): New.
5113
5114 2005-01-20  Roger Sayle  <roger@eyesopen.com>
5115
5116         * real.c (real_floor): Don't leave the result uninitialized when
5117         mode is VOIDMode, but return the unrounded intermediate value.
5118         (real_ceil): Likewise.
5119
5120 2005-01-20  Paul Brook  <paul@codesourcery.com>
5121
5122         * config/arm/arm.md (insv): Use gen_int_mode.
5123
5124 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5125
5126         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
5127         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5128         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5129         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5130         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
5131
5132 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5133
5134         Fix PR debug/19124
5135         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
5136         fbreg, so we have to assume we can't.
5137         (loc_descriptor_from_tree_1): Ditto.
5138         (containing_function_has_frame_base): New function.
5139         (add_location_or_const_value_attribute): Use it.
5140         Also try to generate a frame_base from a single element location
5141         list.
5142
5143 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5144
5145         PR tree-optimization/15349
5146         * timevar.def (TV_TREE_MERGE_PHI): New.
5147         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
5148         PHI_WANTED.
5149         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
5150         calls to tree_forwarder_block_p.
5151         (remove_forwarder_block_with_phi, merge_phi_nodes,
5152         gate_merge_phi, pass_merge_phi): New.
5153         * tree-optimize.c (init_tree_optimization_passes): Add
5154         pass_merge_phi.
5155         * tree-pass.h: Add an extern for pass_merge_phi;
5156
5157 2005-01-20  Richard Henderson  <rth@redhat.com>
5158
5159         PR target/19418
5160         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
5161         (_mm_castps_pd, _mm_castps_si128): New.
5162         (_mm_castsi128_ps, _mm_castsi128_pd): New.
5163
5164 2005-01-20  Richard Henderson  <rth@redhat.com>
5165
5166         PR target/19530
5167         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
5168         __builtin_ia32_vec_init_v2si.
5169         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
5170         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
5171         (ix86_init_mmx_sse_builtins): Create it.
5172         (ix86_expand_builtin): Expand it.
5173         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
5174         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
5175         (vec_extractv2si_0, vec_extractv2si_1): New.
5176
5177 2005-01-20  Richard Henderson  <rth@redhat.com>
5178
5179         PR target/16533
5180         * config/i386/i386.c (ix86_expand_push): New.
5181         * config/i386/mmx.md (push<MMXMODE>1): New.
5182         * config/i386/sse.md (push<SSEMODE>1): New.
5183         * config/i386/i386-protos.h: Update.
5184
5185 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
5186
5187         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
5188         copyright.
5189
5190 2005-01-20  Richard Henderson  <rth@redhat.com>
5191
5192         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
5193         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
5194
5195 2005-01-19  Richard Henderson  <rth@redhat.com>
5196
5197         PR target/19350
5198         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
5199         to V4SFmode in SSE1 fallback load path.
5200
5201 2005-01-19  Richard Henderson  <rth@redhat.com>
5202
5203         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
5204         in QImode expansion to ix86_expand_vector_set.
5205         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
5206
5207 2005-01-19  Richard Henderson  <rth@redhat.com>
5208
5209         PR target/19511
5210         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
5211         subclass of the input class.
5212         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
5213         Always true for cross-SSE1 classes.  Rationalize conditionals.
5214         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
5215         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
5216         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
5217         (movdi_2): Add MMX/SSE zeros.
5218         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
5219         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
5220         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
5221         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
5222         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
5223         (zero_extendsidi2_rex64_1): Remove.
5224         (MOV0 peephole): Check GENERAL_REG_P.
5225
5226 2005-01-19  Richard Henderson  <rth@redhat.com>
5227
5228         PR target/19427
5229         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
5230         shufps elements.
5231         (ix86_expand_vector_extract): Likewise.
5232
5233 2005-01-19  Richard Henderson  <rth@redhat.com>
5234
5235         PR middle-end/19304
5236         * expr.c (emit_move_change_mode): New argument force; use
5237         simplify_gen_subreg if true.
5238         (emit_move_via_alt_mode): Merge into ...
5239         (emit_move_via_integer): ... here.
5240         (emit_move_ccmode): Use emit_move_change_mode directly.
5241
5242 2005-01-19  Richard Henderson  <rth@redhat.com>
5243
5244         PR target/19518
5245         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
5246         (alpha_preferred_reload_class): Handle CONST_VECTOR.
5247         (alpha_emit_set_const_1): Add no_output parameter; don't emit
5248         rtl if true.
5249         (alpha_emit_set_const): Likewise.  Make static.
5250         (alpha_emit_set_long_const): Make static.
5251         (alpha_extract_integer): Split out from alpha_expand_mov.
5252         (alpha_split_const_mov): Likewise.
5253         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
5254         (alpha_legitimate_constant_p): New.
5255         * config/alpha/alpha-protos.h: Update.
5256         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
5257         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
5258         * config/alpha/alpha.md (movsi): Add n alternative.
5259         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
5260         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
5261         (splitters for all of the above): Use alpha_split_const_mov.
5262         * config/alpha/predicates.md (non_add_const_operand): New.
5263         (non_zero_const_operand): New.
5264         (input_operand): Use alpha_legitimate_constant_p after reload.
5265
5266 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5267
5268         PR tree-optimization/19038
5269         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
5270         (add_candidate): Add ivs with increment in latch only if
5271         allow_ip_end_pos_p is true.
5272         (determine_iv_cost): Use empty_block_p.
5273
5274 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
5275
5276         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
5277         (compute_dominance_frontiers): Ditto.
5278
5279 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
5280
5281         PR target/19529
5282         * config/sh/t-rtems: New.
5283         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
5284
5285 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
5286
5287         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
5288         the offset of the selected field.
5289
5290 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
5291
5292         * tree-cfg.c (remove_forwarder_block): Fix the check to
5293         prevent a nonlocal label from appearing in the middle of a
5294         basic block.
5295
5296 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
5297
5298         PR rtl-optimization/19462
5299         * reorg.c (find_end_label): Create return insn only if
5300         current_function_epilogue_delay_list is empty.
5301
5302 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
5303
5304         * doc/passes.texi: Remove paragraph mentioning new-ra.
5305
5306 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
5307
5308         PR rtl-optimization/15139
5309         * combine.c: Include params.h.
5310         (count_rtxs): New function.
5311         (record_value_for_reg): If replace_rtx would replace at least
5312         2 occurrences of REG in VALUE and TEM is really large, replace REG with
5313         (clobber (const_int 0)) instead of TEM.
5314         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
5315         * params.h (MAX_LAST_VALUE_RTL): New.
5316         * Makefile.in (combine.o): Depend on $(PARAMS_H).
5317         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
5318
5319         PR c/17297
5320         * c-typeck.c (digest_init): Only call build_vector if all constructor
5321         elements are *_CST nodes.
5322         * gimplify.c (gimplify_init_constructor): Likewise.
5323
5324         PR middle-end/19164
5325         * c-typeck.c (digest_init): Only call build_vector if inside_init
5326         is a CONSTRUCTOR.
5327
5328 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5329
5330         * toplev.c (init_asm_output): Remove dead #ifdef.
5331
5332 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5333
5334         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
5335
5336 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5337
5338         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
5339         accessing DECL_FUNCTION_CODE.
5340         * dojump.c (do_jump): Likewise.
5341         * gimplify.c (gimplify_call_expr): Likewise.
5342         * predict.c (expr_expected_value): Likewise.
5343         (strip_builtin_expect): Likewise.
5344         * tree-inline.c (estimate_num_insns_1): Likewise.
5345         * tree-ssa-loop-im.c (stmt_cost): Likewise
5346         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
5347         (tree_expr_nonnegative_p): Likewise.
5348
5349 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5350
5351         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
5352         variant of the load_pcrel_sym pattern.
5353         * config/sparc/sparc.md (P macro): Move to the top.
5354         (load_pcrel_sym): Macroize using P.
5355         (save_register_window): Likewise.
5356
5357 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
5358
5359         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
5360         ("sordered"): Same.
5361
5362 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
5363
5364         PR C/19472
5365         * c-typeck.c (build_asm_expr): Strip nops off
5366         input memory operands.
5367
5368 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
5369
5370         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
5371         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
5372         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
5373         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
5374
5375 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
5376
5377         PR target/19379
5378         * config/i386/i386.c (override_options): If the 80387 is disabled,
5379         then do not return FP values using FP registers.
5380
5381 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
5382
5383         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
5384         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
5385         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
5386         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
5387         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
5388         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
5389         output.h, postreload-gcse.c, postreload.c, recog.c,
5390         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
5391         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
5392         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
5393         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
5394         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
5395         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
5396         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
5397         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
5398
5399         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
5400         config/alpha/alpha.c, config/arm/vfp.md,
5401         config/i386/emmintrin.h, config/i386/i386-modes.def,
5402         config/i386/i386-protos.h, config/i386/i386.h,
5403         config/i386/pmmintrin.h, config/i386/ppro.md,
5404         config/i386/predicates.md, config/i386/xmmintrin.h,
5405         config/i860/i860.c, config/ia64/ia64-modes.def,
5406         config/ia64/ia64-protos.h, config/ia64/ia64.h,
5407         config/ia64/ia64.md, config/ia64/itanium1.md,
5408         config/ia64/itanium2.md, config/ia64/predicates.md,
5409         config/iq2000/iq2000.h, config/mips/linux64.h,
5410         config/rs6000/aix41.h, config/rs6000/aix43.h,
5411         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
5412         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5413         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
5414         config/sparc/linux64.h, config/sparc/litecoff.h,
5415         config/sparc/sp64-elf.h, config/sparc/sparc.c,
5416         config/sparc/sparc.h, config/sparc/sparc.md,
5417         config/sparc/sysv4-only.h: Update copyright.
5418
5419 2005-01-18  Richard Henderson  <rth@redhat.com>
5420
5421         PR target/19496
5422         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
5423
5424 2005-01-18  Marc Espie  <espie@openbsd.org>
5425         * config/i386/openbsdelf.h: Typo.
5426
5427 2005-01-18  Richard Henderson  <rth@redhat.com>
5428
5429         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
5430         special case for sse.
5431         * config/i386/predicates.md (sse_comparison_operator): Likewise.
5432
5433 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
5434
5435         * tree-inline.c (estimate_num_insns_1): Added cases for
5436         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
5437
5438 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
5439
5440         PR rtl-optimization/19296
5441         * combine.c (simplify_comparison): Rewrite the condition under
5442         which a non-paradoxical SUBREG of a PLUS can be lifted when
5443         compared against a constant.
5444
5445 2005-01-18  Andi Kleen <ak@muc.de>
5446
5447         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
5448         * c.opt (-Wpointer-sign): Add.
5449         * doc/invoke.texi: (-Wpointer-sign): Add.
5450
5451 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5452
5453         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
5454         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
5455         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
5456         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
5457         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
5458         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
5459         for TARGET_MIX_SSE_I387.
5460         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
5461         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
5462         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
5463         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
5464         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
5465         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
5466         TARGET_MIX_SSE_I387.
5467         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
5468         from expander.
5469
5470 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
5471
5472         PR target/19424
5473         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
5474         Add movaps alternative for xmm reg->reg move.
5475
5476 2005-01-17  Jeff Law  <law@redhat.com>
5477
5478         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
5479         at the end of the main DOM loop rather than just before DOM exits.
5480
5481 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
5482
5483         PR tree-optimization/19121
5484         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
5485         adding aliases to a name tag, also add them to the pointer's
5486         type tag.
5487         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
5488         sensitive alias info at all.  Only check that the two pointers
5489         have compatible pointed-to sets.
5490         * tree-ssa.c (verify_name_tags): Verify that the alias set of
5491         a pointer's type tag is a superset of the alias set of the
5492         pointer's name tag.
5493
5494 2005-01-17  James E Wilson  <wilson@specifixinc.com>
5495
5496         PR target/19357
5497         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
5498         comment to document why.
5499
5500 2005-01-17  Richard Henderson  <rth@redhat.com>
5501
5502         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
5503         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
5504         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
5505         sse2_vmsminv2df3_finite): New.
5506         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
5507         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
5508         Force op1 into register.
5509
5510 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
5511
5512         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
5513         bubblestrap from always rebuilding build directory.
5514
5515 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
5516
5517         * config/s390/s390.md ("*clc"): Remove incorrect '='.
5518         ("*cmpmem_short"): Likewise.
5519
5520 2005-01-17  Steven Bosscher  <stevenb@suse.de>
5521
5522         * basic-block.h: Document BB_* flags.
5523         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
5524         use an sbitmap instead.
5525         * sched-rgn.c (compute_trg_info): Likewise.
5526
5527 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
5528
5529         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
5530         redundant target_cpu_default and extra_parts lines.  Use the default
5531         "from-abi" ISA.
5532         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
5533         (SUBTARGET_EXTRA_SPECS): Delete.
5534         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
5535         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
5536         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
5537         and "n32" for -mabi=n32.
5538
5539 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5540
5541         PR c/5675
5542         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
5543         fold constant variables into initial values.
5544
5545 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5546
5547         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
5548
5549         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
5550         through the statements backward.
5551
5552 2005-01-17  Ian Lance Taylor  <ian@airs.com>
5553
5554         PR middle-end/13127:
5555         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5556         a variable set to the return value of the inlined function.
5557
5558 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
5559
5560         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5561         when modes are tieable.
5562
5563 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
5564
5565         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5566         of pthread_create to find out if threads are enabled.
5567         * gthr-posix95.h (__gthread_active_p): Likewise.
5568
5569 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
5570
5571         * common.opt (-fnew-ra): Remove.
5572         * ra*.*: Remove.
5573         * toplev.h (flag_new_regalloc): Remove.
5574         * Makefile.in (ra*.*): Don't mention.
5575         * passes.c (rest_of_handle_new_regalloc): Remove.
5576         (rest_of_handle_combine, rest_of_compilation): Always consider
5577         flag_new_regalloc as false.
5578         * doc/invoke.texi: Don't document -fnew-ra.
5579
5580 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
5581
5582         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5583         last parameter to reg_scan.
5584         * loop.c (loop_optimize): Likewise.
5585         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5586         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5587         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5588         rest_of_handle_gcse, rest_of_handle_loop_optimize,
5589         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5590         * regclass.c (reg_scan): Likewise, for the declaration.
5591         * rtl.h (reg_scan): Likewise, for the prototype.
5592
5593 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
5594
5595         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5596         mark_dfs_back_edges.
5597
5598 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
5599
5600         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5601         (compute_avail): Uses don't go in tmp_gen.
5602
5603 2005-01-16  Steven Bosscher  <stevenb@suse.de>
5604
5605         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5606         loop to look for a free slot in a page entry.
5607
5608 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5609
5610         PR target/16304
5611         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5612         * toplev.c (compile_file): Call process_pending_assemble_output_defs
5613         just before targetm.asm_out.file_end.
5614         * tree.h (process_pending_assemble_output_defs): Declare.
5615         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5616         New functions.
5617         (assemble_alias): Defer generation of assembly code for defines when
5618         TARGET_DEFERRED_OUTPUT_DEFS is true.
5619         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5620         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5621         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5622
5623 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5624
5625         PR target/19336
5626         * pa.c (pa_scalar_mode_supported_p): New function.
5627         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5628         * pa.h (MIN_UNITS_PER_WORD): Add comment.
5629
5630         * pa-protos.h (prefetch_operand): Delete.
5631         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5632         * pa.c (prefetch_operand): Delete.
5633         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5634         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5635         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
5636         and prefetch_nocc_operand.
5637         * pa.md (prefetch): Rework to avoid reload problems handling short
5638         displacements when a cache control completer needs to be provided.
5639         (prefetch_32, prefetch_64): Delete.
5640         (prefetch_cc, prefetch_nocc): New patterns.
5641
5642 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
5643
5644         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5645
5646 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5647
5648         PR ada/19388
5649         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5650         exceeds maximum alignment for global common data.
5651         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5652         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5653
5654 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5655
5656         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5657
5658 2004-01-15  Roger Sayle  <roger@eyesopen.com>
5659
5660         * harg-reg-set.h (reg_class_names): Prototype global array.
5661         * regclass.c (reg_class_names): Declare here and initialize to
5662         REG_CLASS_NAMES.
5663         (dump_regclass): Remove local declaration of reg_class_names.
5664         (regclass): Likewise.
5665         * cfg.c (dump_flow_info): Likewise.
5666         * ra-debug.c (reg_class_names): Likewise.
5667         * regrename.c (reg_class_names): Likewise.
5668         * reload.c (reg_class_names): Likewise.
5669         * reload1.c (spill_failure): Likewise.
5670         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5671
5672 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
5673
5674         * config/s390/s390.md ("reload_outti"): Remove predicate for
5675         output operand.  Abort if operand is not a MEM.
5676         ("reload_outdi", "reload_outdf"): Likewise.
5677
5678 2005-01-15  Marc Espie  <espie@openbsd.org>
5679
5680         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5681         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5682         * config/openbsd.h:  Fix C++ includes for native configurations.
5683         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
5684         Add trampoline support.
5685         * config/i386/openbsdelf.h: New.
5686
5687 2005-01-15  Marc Espie  <espie@openbsd.org>
5688
5689         * collect2.c (main): Explicitly parse -dynamic-linker option.
5690
5691 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
5692
5693         PR tree-optimization/19060
5694         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5695         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5696         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5697         and handle extract_range_from_cond returning false.
5698         * fold-const.c (fold): Optimize comparisons with min/max even for
5699         width > HOST_BITS_PER_WIDE_INT.
5700
5701 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
5702
5703         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5704         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5705         Remove little endian multilib variants.
5706         Add mips32 multilib variant.
5707
5708 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
5709
5710         * explow.c (copy_all_reg, stabilize): Remove.
5711         * expr.h: Remove the corresponding prototypes.
5712
5713         * rtlanal.c (regs_set_between_p): Remove.
5714         * rtl.h: Remove the corresponding prototype.
5715
5716 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
5717
5718         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5719         to rs6000_nonimmediate_operand.
5720         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5721         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5722         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5723         rs6000_nonimmediate_operand.
5724         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5725         rs6000_nonimmediate_operand.
5726
5727 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
5728
5729         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5730
5731 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5732
5733         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5734         on e500v2.
5735         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5736         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5737
5738         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5739         (rs6k_nonimmediate_operand): New.
5740         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5741         correctly.
5742         (legitimate_lo_sum_address_p): Same.
5743         (rs6000_legitimize_address): Same.
5744         (rs6000_legitimize_reload_address): Same.
5745         (rs6000_legitimate_address): Same.
5746         (spe_build_register_parallel): Pass DF and DC modes in a DI
5747         register.
5748
5749         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5750         to rs6k_nonimmediate_operand.
5751
5752         * config/rs6000/spe.md ("*frob_df_di"): New.
5753         ("*frob_di_df"): New.
5754         ("*frob_di_df_2"): New.
5755         ("*mov_sidf_e500_subreg0"): New.
5756         ("*mov_sidf_e500_subreg4"): New.
5757         ("*movdf_e500_double"): Change predicate to
5758         rs6k_nonimmediate_operand.
5759
5760 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5761
5762         * postreload.c (move2add_note_store): Only call
5763         trunc_int_for_mode on scalar integers.
5764
5765 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5766
5767         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5768         replace BB_VISITED uses.
5769         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5770         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5771         (tree_dce_done): Free visited_control_parents.
5772         (perform_tree_ssa_dce): Allocate and clear it.
5773         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5774         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5775         instead of BB_VISITED.
5776
5777 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5778
5779         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5780         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5781         Remove unused prototypes.
5782
5783 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5784
5785         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5786         64-bit register usage.
5787         (spe_func_has_64bit_regs_p): Add FIXME note.
5788
5789 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5790
5791         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5792         flag_finite_math_only with flag_unsafe_math_optimizations.
5793
5794 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5795
5796         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5797         end-of-stack check.
5798         (__tpf_eh_return): Copy TPF private stack area from the module
5799         boundary stack frame.  Add check for when module addresses are
5800         equal, but no stub address is found.
5801
5802 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5803
5804         PR target/7525
5805         * arm.h (struct machine_function): Add call_via field.
5806         (thumb_call_via_label): Declare.
5807         * arm.c (thumb_call_via_label): New variable.
5808         (thumb_call_reg_needed): New variable.
5809         (arm_output_function_epilogue): For Thumb code, output any per-function
5810         call-indirect trampolines.
5811         (thumb_call_via_reg): New function.
5812         (arm_file_end): New function.
5813         (TARGET_ASM_FILE_END): Call arm_file_end.
5814         (aof_file_end): Likewise.
5815         * arm-protos.h (thumb_call_via_reg): Declare.
5816         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5817         thumb_call_via_reg in normal case.
5818
5819 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5820
5821         PR middle-end/19084
5822         PR rtl-optimization/19348
5823         * recog.c (peephole2_optimize): Do global life update if some peephole
5824         decides it doesn't need at least one of its inputs and that change
5825         influences liveness at the start of the basic block.
5826
5827         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5828         arguments instead of 1.
5829
5830 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5831
5832         PR middle-end/18820
5833         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5834         zero for nested functions needing a static chain or functions
5835         with a non-constant address.
5836
5837 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5838
5839         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5840         (and (sign_extend X) C) into (zero_extend (and X C)).
5841
5842 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5843
5844         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5845
5846 2005-01-13  Richard Henderson  <rth@redhat.com>
5847
5848         PR target/19009
5849         PR target/19250
5850         PR target/19252
5851         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5852         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5853         not just TARGET_SSE.
5854         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5855         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5856         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5857         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5858         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5859         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5860         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5861         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5862         (movdicc_c_rex64): Rename with '*'.
5863         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5864         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5865         (movsfcc_1_387): Rename from movsfcc_1.
5866         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5867         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5868         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5869         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5870         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5871         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5872         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5873         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5874         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5875         sse_movdfcc_const0_4): Remove.
5876         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5877         recognize min/max early.  Update for changed sse cmove patterns.
5878         (ix86_split_sse_movcc): New.
5879         * config/i386/i386-protos.h: Update.
5880
5881 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5882
5883         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5884         (fix_stmt_v_may_defs): Likewise.
5885
5886 2005-01-13  Richard Henderson  <rth@redhat.com>
5887
5888         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5889         for converting the mask.
5890
5891 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5892
5893         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5894         definition to 600.
5895
5896 2005-01-13  Richard Henderson  <rth@redhat.com>
5897
5898         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5899         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5900         IX86_BUILTIN_MOVDQ2Q): Remove.
5901         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5902         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5903         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5904         shuffling.
5905         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5906         (sse2_pextrw): Fix immediate constraint.
5907         (sse2_loadq, sse2_loadq_rex64): Remove.
5908         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5909         Use __builtin_ia32_vec_ext_<size>.
5910         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5911
5912 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5913
5914         * function.c (assign_parm_setup_block): Look inside original
5915         entry_parm when inspecting PARALLEL.
5916
5917 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5918             Joel Sherrill  <joel@oarcorp.com>
5919
5920         PR target/19399
5921         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5922         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5923         rtems_gxx_recursive_mutex_init.
5924         (__gthread_recursive_mutex_lock): New function.
5925         (__gthread_recursive_mutex_trylock): Likewise.
5926         (__gthread_recursive_mutex_unlock): Likewise.
5927
5928 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5929
5930         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5931
5932 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5933
5934         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5935         (ashrti3_internal): Indicate output is early clobber. Generate result
5936         into output rather than first input. Use move for low word of output
5937         if shift count is exactly 64.
5938         (lshrti3_internal): Likewise.
5939
5940 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5941
5942         PR target/18329
5943         PR target/18330
5944         * reload1.c (delete_output_reload): Don't delete an output reload
5945         if the pseudo lives longer than a single basic block.  Adjust and
5946         improve wording of comment.
5947
5948 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5949
5950         PR target/19334
5951         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5952         of TYPE_SIZE where we mean the number of bytes.
5953
5954 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5955
5956         * function.c (assign_parm_setup_block): Relax condition on
5957         multi-register optimization.
5958
5959 2005-01-12  Nick Clifton  <nickc@redhat.com>
5960
5961         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5962         an "in_delay_slot" attribute of "no" to prevent them being used in
5963         delay slots.  This is forbidden because they might generate
5964         exceptions.
5965
5966 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5967
5968         PR target/19389
5969         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5970         with r->Y and Y->r.
5971
5972 2005-01-12  Nick Clifton  <nickc@redhat.com>
5973
5974         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5975         passed on to GAS) but do not define, as GAS no longer supports or
5976         needs the -m2000 option.
5977
5978 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5979
5980         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5981         type as args of unprototyped builtins aren't automatically promoted.
5982         (fold_builtin_abs): Likewise.
5983
5984 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5985
5986         * Makefile.in: Set a `build-warn' variable.
5987
5988 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5989
5990         PR tree-optimization/17949
5991         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5992         (find_interesting_uses_address): Use it.
5993
5994 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5995
5996         * regrename.c (kill_value): Handle subreg's that won't simplify.
5997
5998 2005-01-11  Richard Henderson  <rth@redhat.com>
5999
6000         PR target/13366
6001         * config/i386/i386.h (enum ix86_builtins): Move ...
6002         * config/i386/i386.c: ... here.
6003         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6004         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6005         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6006         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6007         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6008         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6009         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6010         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6011         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6012         IX86_BUILTIN_LOADDDUP): Remove.
6013         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6014         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6015         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6016         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6017         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6018         (ix86_init_builtins): Make static.
6019         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6020         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6021         if all the modes match.  Otherwise, fake it.
6022         (get_element_number, ix86_expand_vec_init_builtin,
6023         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6024         (ix86_expand_builtin): Make static.  Update for changed builtins.
6025         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6026         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6027         (ix86_expand_vector_init_duplicate): New.
6028         (ix86_expand_vector_init_low_nonzero): New.
6029         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6030         Split out from ix86_expand_vector_init; handle integer modes.
6031         (ix86_expand_vector_init): Use them.
6032         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6033         * config/i386/i386-protos.h: Update.
6034         * config/i386/predicates.md (reg_or_0_operand): New.
6035         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6036         (movv2sf_internal): Likewise.  And a splitter to match them all.
6037         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6038         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6039         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6040         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6041         (mmx_pinsrw): Fix operand ordering.
6042         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6043         rather than sse_loadss expander.
6044         (movv2df splitter): Similarly.
6045         (sse_loadss, sse_loadlss): Remove.
6046         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6047         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6048         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6049         (sse3_movddup): Rename with '*'.
6050         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6051         (sse2_loadsd): Remove.
6052         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6053         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6054         (sse2_pinsrw): Fix argument ordering.
6055         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6056         (sse2_stored): Remove 'r' destination.
6057         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6058         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6059         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6060         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6061         vec_extractv16qi, vec_initv16qi): New.
6062
6063         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6064         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6065         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6066         constructor form.
6067         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6068         (_mm_load_si128, _mm_store_si128): Likewise.
6069         (_mm_load1_pd): Use _mm_set1_pd.
6070         (_mm_load_sd): Use _mm_set_sd.
6071         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6072         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6073         (_mm_set_epi64): Use _mm_set_epi64x.
6074         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6075         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6076         _mm_setr_epi8): Use _mm_set_foo form.
6077         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6078         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6079         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6080         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6081         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6082         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6083         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6084         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6085         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6086         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6087         (_mm_movedup_pd): Use _mm_shuffle_pd.
6088         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6089         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6090         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6091         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
6092         Use _mm_setzero_ps.
6093         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
6094         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
6095         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
6096         (_mm_store_ps): Use raw dereference.
6097         (_mm_store1_ps): Use _mm_storeu_ps.
6098         (_mm_storer_ps): Use _mm_store_ps.
6099         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
6100         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
6101
6102 2005-01-11  Stan Shebs  <shebs@apple.com>
6103
6104         * config/rs6000/rs6000.c (machopic_output_stub): Issue
6105         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
6106
6107 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
6108
6109         PR target/18761
6110         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
6111         Skip all DECLs except for FIELD_DECLs.
6112
6113 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6114
6115         * config/s390/s390.c (override_options): Return error if
6116         -mbackchain, -mpacked-stack and -mhard-float are used together.
6117         (s390_va_start): Remove the backchain && packed-stack special case.
6118         (s390_gimplify_va_arg): Likewise.
6119         * doc/invoke.texi: Remove the ABI incompatibility note.
6120
6121 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
6122
6123         * config/s390/s390.c (struct s390_frame_layout): Remove
6124         save_backchain_p.
6125         (s390_frame_info, s390_emit_prologue): Replace occurrences of
6126         save_backchain_p with TARGET_BACKCHAIN.
6127
6128 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6129
6130         PR target/18916
6131         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
6132         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
6133         * function.c (locate_and_pad_parm): Set new field.
6134         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
6135         Tweak where_pad test to include "none".  Always set mem align for
6136         stack_parm.
6137         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
6138         not sufficient for type.
6139         (assign_parm_setup_block): If stack_parm is zero on entry, always
6140         make a new stack local.  Block move old stack parm if necessary
6141         to new aligned stack local.
6142         (assign_parm_setup_stack): Use a block move to handle
6143         potentially misaligned entry_parm.
6144         (assign_parms_unsplit_complex): Specify required alignment when
6145         creating stack local.
6146         * calls.c (compute_argument_addresses): Override alignment of stack
6147         arg calculated from its type with the alignment given by
6148         FUNCTION_ARG_BOUNDARY.
6149         (store_one_arg): Likewise.
6150
6151 2005-01-11  Jan Beulich  <jbeulich@novell.com>
6152
6153         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
6154         Change respective itanium_class attribute to ialu.
6155         (shladdp4_internal): New.
6156         * config/ia64/predicates.md (shladd_log2_operand): New.
6157
6158 2005-01-11  Richard Henderson  <rth@redhat.com>
6159
6160         * expr.c (store_constructor): Use rtvec_alloc instead of
6161         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
6162
6163 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
6164
6165         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
6166
6167 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
6168
6169         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
6170         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
6171         (TARGET_RWRELOC): Define.
6172         (ia64_rwreloc_section_type_flags): Delete.
6173         (ia64_section_type_flags): New function.
6174         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
6175         (TARGET_RWRELOC): Define.
6176
6177 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
6178
6179         PR target/18987
6180         * config/ia64/ia64.c (process_set): For alloc insn, only call
6181         process_epilogue is !frame_pointer_needed.
6182
6183 2005-01-10  Roger Sayle  <roger@eyesopen.com>
6184
6185         PR c++/19355
6186         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
6187         unary operator and can't be treated as a binary/comparison operator.
6188
6189 2005-01-10  Richard Henderson  <rth@redhat.com>
6190
6191         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
6192         (ix86_return_in_memory): Likewise.
6193         (function_arg_advance):  Likewise.  Mirror structure in function_arg
6194         for choosing register to advance.
6195
6196 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
6197
6198         * tree-vectorizer.c, tree.def: Fix comment typos.
6199
6200 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
6201
6202         * config/s390/s390.c (struct processor_costs): 4 new fields:
6203         ddbr, ddr, debr, der.
6204         (s390_rtx_costs): More precise handling of divide instructions.
6205
6206 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
6207
6208         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
6209
6210 2005-01-10  Jan Beulich  <jbeulich@novell.com>
6211
6212         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
6213         names resulting from -ffunction-sections/-fdata-sections and linkonce
6214         ones.
6215         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
6216         based on the section name. Rearrange the section name comparison logic
6217         slightly so that each section name is compared against at most once.
6218
6219 2005-01-10  Ben Elliston  <bje@au.ibm.com>
6220
6221         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
6222         targets for which -fPIC reduces limitations on the GOT size.
6223
6224 2005-01-09  Falk Hueffner  <falk@debian.org>
6225
6226         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
6227         X/C1 cmpop C2.
6228
6229 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
6230
6231         PR target/18720
6232         * collect2.c (main): Set aixrtl_flag for -brtl option.
6233         (resolve_lib_name): Search for .so file extension before .a
6234         if aixrtl_flag set.
6235
6236 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
6237
6238         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
6239         (vect_analyze_data_refs_alignment): Add dump prints.
6240
6241 2005-01-09  Ira Rosen  <irar@il.ibm.com>
6242
6243         * tree-vectorizer.c (vect_analyze_offset_expr): Use
6244         expr_invariant_in_loop_p.
6245         Initialize outputs first thing in the function.
6246         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
6247         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6248         (vect_analyze_pointer_ref_access): Check that the initial condition of
6249         the access function is loop invariant.
6250
6251 2005-01-09  Richard Henderson  <rth@redhat.com>
6252
6253         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
6254         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
6255         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
6256         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
6257         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
6258         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
6259         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
6260         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
6261         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
6262         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
6263         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
6264         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
6265         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
6266         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
6267         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
6268         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
6269         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
6270         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
6271         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
6272         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
6273         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
6274         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
6275         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
6276         mmx_ prefix.
6277         (mmx_clrdi, pavgusb): Remove.
6278         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
6279         with leading sse_ prefix.
6280         * config/i386/sse.md: Receive them.
6281         * config/i386/mmx.md: New file.
6282         (MMXMODE12, MMXMODE24, mmxvecsize): New.
6283         (subrv2sf3): Turn into expander for normal subtraction.
6284         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
6285         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
6286         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
6287         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
6288         commutative; use ix86_binary_operator_ok.
6289         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
6290         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
6291         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
6292         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
6293         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
6294         Macroize from existing patterns; use ix86_binary_operator_ok.
6295         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
6296         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
6297         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
6298         with vec_select+vec_concat.
6299         (mmx_pshufw, mmx_pshufw_1): Likewise.
6300         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
6301         (mmx_uavgv4hi3): Model correctly.
6302         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
6303         _mm_xor_si64): Remove casts.
6304
6305 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
6306
6307         PR tree-optimization/19224
6308         * tree-scalar-evolution.c (get_instantiated_value,
6309         set_instantiated_value): New functions.
6310         (instantiate_parameters_1): Cache the results.
6311         (instantiate_parameters, resolve_mixers): Initialize and free
6312         the cache.
6313
6314 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
6315
6316         * config/i386/i386.md (addhi_4): Correct reference in comment.
6317         (addqi_4): Same.
6318
6319 2005-01-08  Richard Henderson  <rth@redhat.com>
6320
6321         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
6322         (_mm_cvtsi128_si64x): Likewise.
6323         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
6324         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
6325         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
6326         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
6327         * config/i386/i386-protos.h: Update.
6328         * config/i386/i386.c (print_operand): Add 'H'.
6329         (ix86_fixup_binary_operands): Split out from ...
6330         (ix86_expand_binary_operator): ... here.
6331         (ix86_fixup_binary_operands_no_copy): New.
6332         (ix86_expand_fp_absneg_operator): Handle vector mode results.
6333         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
6334         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
6335         (safe_vector_operand): Use CONST0_RTX.
6336         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
6337         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
6338         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
6339         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
6340         special cases.
6341         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
6342         (IX86_BUILTIN_CMPNGESS): New.
6343         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
6344         (attr type): Add sselog1.
6345         (attr unit, attr memory): Handle it.
6346         (movti, movti_internal, movti_rex64): Move near other integer moves.
6347         (movtf, movtf_internal): Move near other fp moves.
6348         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
6349         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
6350         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
6351         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
6352         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
6353         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
6354         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
6355         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
6356         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
6357         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
6358         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
6359         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
6360         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
6361         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
6362         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
6363         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
6364         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
6365         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
6366         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
6367         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
6368         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
6369         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
6370         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
6371         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
6372         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
6373         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
6374         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
6375         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
6376         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
6377         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
6378         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
6379         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
6380         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
6381         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
6382         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
6383         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
6384         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
6385         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
6386         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
6387         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
6388         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
6389         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
6390         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
6391         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
6392         same time.
6393         (SSEPUSH, push<SSEPUSH>): Remove.
6394         (MMXPUSH, push<MMXPUSH>): Remove.
6395         (sse_movaps, sse_movaps_1, sse_movups): Remove.
6396         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
6397         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
6398         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
6399         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
6400         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
6401         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
6402         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
6403         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
6404         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
6405         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
6406         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
6407         (ppro_sse_log_V4SF): Handle sselog1.
6408         * config/i386/predicates.md (const_0_to_1_operand): New.
6409         (const_0_to_255_mul_8_operand): New.
6410         (const_1_to_31_operand): Rename from const_int_1_31_operand.
6411         (const_2_to_3_operand, const_4_to_7_operand): New.
6412         * config/i386/sse.md: New file.
6413         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
6414         (sse_movups): Rename from sse_movups_1.
6415         (sse_loadlss): Rename from sse_loadss_1.
6416         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
6417         from the name.
6418         (negv4sf2): Use ix86_expand_fp_absneg_operator.
6419         (absv4sf2, negv2df, absv2df): New.
6420         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
6421         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
6422         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
6423         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
6424         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
6425         (sse3_addsubv4sf3): Model correctly.
6426         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
6427         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
6428         (sse_movhlps): Model with vec_select+vec_concat.
6429         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
6430         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
6431         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
6432         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
6433         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
6434         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
6435         sse2_pshufhw_1): Likewise.
6436         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
6437         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
6438         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
6439         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
6440         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
6441         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
6442         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
6443         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
6444         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
6445         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
6446         sminv8hi3): Mark commutative
6447         operands.  Use ix86_binary_operator_ok.
6448         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
6449         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
6450         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
6451         sse2_punpcklqdq): Allow operand2 in memory.
6452         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
6453         sse2_movsd): Add memory alternatives.
6454         (sse_storelps): Turn expander into an insn; split after reload.
6455         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
6456         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
6457
6458 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6459
6460         * configure.ac (DWARF-2 debug_line): Use objdump.
6461         * configure: Regenerate.
6462
6463 2005-01-08  Jeff Law  <law@redhat.com>
6464             Diego Novillo  <dnovillo@redhat.com>
6465
6466         PR tree-optimization/18241
6467         * tree-nrv.c (tree_nrv): Ignore volatile return values.
6468         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
6469         statements with volatile operands.
6470         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
6471         operands after marking a statement with has_volatile_ops.
6472
6473 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6474
6475         * tree.c (int_fits_type_p): Always honor integer constant
6476         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
6477
6478 2005-01-08  Roger Sayle  <roger@eyesopen.com>
6479
6480         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
6481         the latent bug in rtl_delete_block has been resolved.
6482
6483 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6484
6485         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
6486         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
6487
6488 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
6489
6490         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
6491         library as @multilib_dir@/$(SHLIB_SONAME).
6492
6493 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6494
6495         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
6496         * configure: Regenerate.
6497
6498 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6499
6500         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
6501         TYPE_MODE.
6502
6503 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
6504
6505         PR target/13674
6506         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6507         Convert non-word aligned offset address using ld/std into
6508         indirect address.
6509
6510 2005-01-07  Richard Henderson  <rth@redhat.com>
6511
6512         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
6513
6514 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
6515
6516         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
6517
6518 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
6519
6520         PR tree-optimization/19283
6521         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
6522         is not shorter than the original type.
6523
6524         PR rtl-optimization/19012
6525         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
6526
6527         PR rtl-optimization/18861
6528         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
6529         (FULL_STATE): Define.
6530         (mark_tablejump_edge): New function.
6531         (purge_dead_tablejump_edges): New function.
6532         (find_bb_boundaries): Use it.
6533
6534         PR tree-optimization/18828
6535         * builtins.c (expand_builtin_next_arg): Remove argument and all
6536         the argument checking.
6537         (expand_builtin): Adjust caller.
6538         (expand_builtin_va_start): Likewise.  Remove error for too many
6539         arguments.
6540         (fold_builtin_next_arg): Issue error for too many arguments.
6541         After checking arguments, replace them with magic arguments that
6542         prevent further checking of the args.
6543
6544 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6545
6546         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
6547
6548 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6549
6550         PR target/6077
6551         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
6552         and %{.S:...} (and their negative variants) to test whether the
6553         input file is assembler or pre-processed-assembler independent of
6554         the actual filename extension.
6555
6556 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6557
6558         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6559         of sign or zero extended values.
6560
6561 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
6562
6563         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6564         for IBM long double format correctly.
6565
6566 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
6567
6568         Fix PR tree-optimization/18792
6569
6570         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6571         to first_loop_depth, and use loop depth instead of loop number.
6572         (build_classic_dir_vector): Ditto.
6573         (compute_data_dependences_for_loop): Use depth, not loop number.
6574         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6575         number. Pass in loops, instead of loop numbers.
6576         (gather_interchange_stats): Ditto.
6577         (linear_transform_loops): Ditto.
6578
6579 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
6580
6581         PR rtl-opt/13299
6582         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6583         biv_fits_mode_p, extension_within_bounds_p): New functions.
6584         (check_ext_dependent_givs): Use them.
6585
6586 2005-01-06  Roger Sayle  <roger@eyesopen.com>
6587
6588         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6589         more than one barrier, in which case we should delete them all.
6590
6591 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
6592
6593         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6594
6595 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
6596
6597         Fix PR middle-end/19286
6598         Fix PR debug/19267
6599         * dwarf2out.c (gen_subprogram_die): If we've already tried to
6600         output this subprogram, simply ignore this attempt to do it again.
6601         (add_abstract_origin_attribute): Don't abort trying to add the abstract
6602         origin attribute if it's not possible.
6603         (gen_block_die): Don't ignore subblocks of "unused" blocks.
6604         (decls_for_scope): Ditto.
6605         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6606         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6607
6608 2005-01-05  Richard Henderson  <rth@redhat.com>
6609
6610         PR target/11327
6611         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6612         (bdesc_2arg): Use it.
6613         (ix86_expand_binop_builtin): Force operands into registers
6614         when optimizing.
6615         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6616         ix86_expand_sse_compare, ix86_expand_sse_comi,
6617         ix86_expand_builtin): Likewise.
6618
6619 2005-01-05  Richard Henderson  <rth@redhat.com>
6620
6621         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6622         and VEC_SELECT.
6623         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6624         (mulv4hi3): Set itanium_class mmmul.
6625         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6626         (fpack): Rename from fpack_sfsf.
6627
6628 2005-01-05  Richard Henderson  <rth@redhat.com>
6629
6630         PR rtl-opt/10692
6631         * reload1.c (do_input_reload): Restrict the optimization deleteing
6632         a previous output reload to RELOAD_FOR_INPUT.
6633
6634 2005-01-05  Steven Bosscher  <stevenb@suse.de>
6635
6636         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
6637         comment that we fall through after case.
6638         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6639         (distribute_links): Likewise.
6640         * cse.c (cse_insn): Likewise.
6641         * cselib.c (cselib_invalidate_mem): Likewise.
6642         * df.c: Update comments at the top of the file.
6643         (read_modify_subreg_p): Update comments here too.
6644         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6645         * flow.c (mark_set_1): Likewise.
6646         (mark_used_regs): Likewise.
6647         * gcse.c (mems_conflict_for_gcse_p): Likewise.
6648         (canon_list_insert): Likewise.
6649         (mark_set): Likewise.
6650         (try_replace_reg): Likewise.
6651         (store_killed_in_insn): Likewise.
6652         * loop.c (count_one_set): Likewise.
6653         (basic_induction_var): Likewise.
6654         * postreload-gcse.c (find_mem_conflicts): Likewise.
6655         * postreload.c (reload_combine_note_store): Likewise.
6656         (move2add_note_store): Likewise.
6657         * reload.c (find_equiv_reg): Likewise.
6658         (mark_referenced_resources): Likewise.
6659         * rtlanal.c (set_noop_p): Likewise.
6660         (note_stores): Likewise.
6661         (note_uses): Likewise.
6662         * sched-deps.c (sched_analyze_1): Likewise.
6663         * sched-rgn.c (check_live_1): Likewise.
6664         (update_live_1): Likewise.
6665         * config/i860/i860.c: Likewise.
6666
6667         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6668         an lvalue.
6669         (ZERO_EXTRACT): Mention that this one can be an lvalue.
6670
6671         * doc/rtl.texi: Update documentation for bit-fields and SET.
6672
6673 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6674
6675         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6676
6677 2005-01-05  Jan Hubicka  <jh@suse.cz>
6678             Richard Henderson  <rth@redhat.com>
6679
6680         PR target/18910
6681         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6682         with an offset.
6683
6684 2005-01-05  Richard Henderson  <rth@redhat.com>
6685
6686         PR target/12902
6687         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6688         (sse_shufps): Change operand 3 to const_int_operand.
6689         (sse2_storelps): Fix typo in template.
6690         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6691         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6692         (ix86_expand_builtin): Likewise.
6693
6694 2005-01-05  Julian Brown  <julian@codesourcery.com>
6695
6696         * config/arm/arm.c (arm_return_in_memory): Treat complex types
6697         as aggregates for AAPCS ABIs.
6698
6699 2005-01-05  Stan Shebs  <shebs@apple.com>
6700
6701         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6702         Mach-O getters if ppc64.
6703         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6704         size argument.
6705         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6706         signed four-byte field for global code case.
6707         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6708
6709 2005-01-05  Roger Sayle  <roger@eyesopen.com>
6710
6711         PR middle-end/19100
6712         * c-common.c: Include real.h.
6713         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6714         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6715         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6716         * Makefile.in (c-common.o): Update dependencies.
6717
6718 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6719
6720         * c-parse.in (asm_string): Add trailing semicolon.
6721
6722 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6723
6724         * c-parse.in (asm_string): New.  Don't allow wide strings in
6725         'asm'.
6726         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6727         asm_string instead of STRING.
6728
6729 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
6730
6731         * c-typeck.c (constructor_no_implicit): Remove.
6732         (set_designator, process_init_element): Don't check
6733         constructor_no_implicit.
6734
6735 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
6736             Kaz Kojima  <kkojima@gcc.gnu.org>
6737
6738         PR target/16482
6739         * lcm.c (create_pre_exit): New.
6740         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6741         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
6742
6743 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6744
6745         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6746         -msoft-float in target_float_switch.
6747         * arm.c (arm_override_options): Fix processing of target_float_switch.
6748
6749 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6750
6751         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6752         preferencing.
6753
6754 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6755
6756         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6757         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6758
6759 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6760
6761         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6762         if deleting the then-block allows the test-block to fallthru to the
6763         else-block.
6764
6765 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6766
6767         PR c/19152
6768         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6769         after the full declaration if the are in two different TUs.
6770
6771 2005-01-04  Richard Henderson  <rth@redhat.com>
6772
6773         PR tree-opt/19158
6774         * tree-sra.c (generate_one_element_init): Just
6775         call gimplify_and_add.
6776         (generate_element_init): Record the
6777         new referenced variables and mark them for renaming
6778         and split out to ...
6779         (generate_element_init_1): This.
6780         (scalarize_init): Don't call push_gimplify_context/
6781         pop_gimplify_context.
6782
6783 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6784
6785         * toplev.c (get_src_pwd): Handle failure of getpwd().
6786
6787 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6788
6789         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6790         of TRUTH_NOT_EXPR.
6791         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6792         all the cases handled by it are inverted by invert_truthvalue.
6793
6794 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6795
6796         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6797         (save_register_windowsi): Likewise.
6798
6799 2005-01-04  Richard Henderson  <rth@redhat.com>
6800
6801         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6802
6803 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6804
6805         PR middle-end/17767
6806         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6807         any simplifications of vector mode comparison operators.
6808         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6809
6810 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6811             Devang Patel  <dpatel@apple.com>
6812
6813         PR tree-optimization/18308
6814         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6815         the operands before creating a new expression.
6816         * dojump.c (do_jump): Make drop_through_label available
6817         for all cases.  Add expansion of COND_EXPR.
6818
6819 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6820
6821         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6822         INTEGER_CST instead of TREE_CONSTANT.
6823         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6824         instead of TREE_CONSTANT.
6825         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6826         instead of TREE_CONSTANT.
6827
6828 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6829
6830         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6831
6832 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6833
6834         PR target/19240
6835         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6836         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6837
6838 2005-01-03  Richard Henderson  <rth@redhat.com>
6839
6840         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6841         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6842         fold_convert_const_real_from_real): Split out from ...
6843         (fold_convert_const): ... here.
6844
6845 2005-01-03  Richard Henderson  <rth@redhat.com>
6846
6847         PR target/19235
6848         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6849         (mov<MMXMODEI>_internal): Likewise.
6850         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6851         Add V2SF case; use it for SSE1; don't use TI.
6852         (movdf_integer): Likewise.
6853         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6854
6855 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6856
6857         * tree-vectorizer.c (vect_strip_conversions): New function.
6858         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6859         check for binary class.
6860
6861 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6862
6863         Fix PR debug/17924
6864         Fix PR debug/19191
6865         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6866         is a decl.
6867         * gimple-low.c (mark_blocks_with_used_vars): New function.
6868         (mark_blocks_with_used_subblocks): Ditto.
6869         (mark_used_blocks): Ditto.
6870         (pass_mark_used_blocks): New pass.
6871         * tree-inline.c: Include debug.h.
6872         (expand_call_inline): Call outlining_inline_function here.
6873         * tree-optimize.c (init_tree_optimization_passes): Add
6874         pass_mark_used_blocks.
6875         * tree-pass.h (pass_mark_used_blocks): New.
6876         * Makefile.in (tree-inline.o): Add debug.h dependency.
6877
6878 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6879
6880         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6881         VAR_DECLs to have weak_import attribute.
6882
6883         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6884         'struct ucontext'.
6885
6886 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6887
6888         * passes.c (rest_of_compilation): Don't run regmove if only
6889         flag_expensive_optimizations, require flag_regmove instead.
6890
6891 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6892
6893         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6894         register "sparc".
6895         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6896         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6897         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6898         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6899
6900 2005-01-03  Richard Henderson  <rth@redhat.com>
6901
6902         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6903         (ia64_const_ok_for_letter_p): New.
6904         (ia64_const_double_ok_for_letter_p): New.
6905         (ia64_extra_constraint): New.
6906         (ia64_expand_vecint_compare): New.
6907         (ia64_expand_vcondu_v2si): New.
6908         (ia64_expand_vecint_cmov): New.
6909         (ia64_expand_vecint_minmax): New.
6910         (ia64_print_operand): Add 'v'.
6911         (ia64_preferred_reload_class): New.
6912         (ia64_vector_mode_supported_p): New.
6913         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6914         (PREFERRED_RELOAD_CLASS): Move to function.
6915         (CONST_OK_FOR_LETTER_P): Move to function.
6916         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6917         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6918         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6919         (EXTRA_CONSTRAINT): Move to function.
6920         * config/ia64/ia64.md: Include vect.md.
6921         (itanium_class): Add mmalua.
6922         (type): Handle it.
6923         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6924         (1b_mmalua): New.
6925         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6926         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6927         CONST0_RTX.
6928         (const_int_2bit_operand): New.
6929         (fr_reg_or_0_operand): New.
6930         * config/ia64/ia64-modes.def: Add vector modes.
6931         * config/ia64/ia64-protos.h: Update.
6932         * config/ia64/vect.md: New file.
6933
6934 2005-01-03  Richard Henderson  <rth@redhat.com>
6935
6936         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6937
6938 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6939
6940         PR target/19236
6941         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6942         to SFmode.
6943         (log1pdf2): Change mode of operands[0,1] to DFmode.
6944
6945 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6946
6947         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6948         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6949         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6950         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6951         SPARC_RELAXED_ORDERING.
6952
6953 2005-01-03  Richard Henderson  <rth@redhat.com>
6954             Uros Bizjak  <uros@kss-loka.si>
6955
6956         PR target/14631
6957         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6958         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6959         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6960         handling.
6961         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6962         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6963         const_pow2_1_to_128_operand): New predicates.
6964
6965 2005-01-02  Greg McGary  <greg@mcgary.org>
6966
6967         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6968         anonymous decls.
6969         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6970         object.  [ptr_type]: Remove unused variable.
6971         Remember nearest addressable array-element or record-component
6972         when checking bitfield components.  Tolerate empty BIND_EXPR.
6973
6974 2005-01-01  Richard Henderson  <rth@redhat.com>
6975
6976         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6977         that don't narrow the value.  Fail for other conversions.
6978
6979 2005-01-01  Richard Henderson  <rth@redhat.com>
6980
6981         PR c/19031
6982         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6983         * c-lang.c (finish_file): Don't do it here.
6984         * objc/objc-act.c (objc_finish_file): Likewise.
6985
6986         * cgraph.c (decl_assembler_name_equal): New.
6987         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6988         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6989         * cgraph.h (struct cgraph_varpool_node): Add next.
6990         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6991         * varasm.c (assemble_alias): Mark the target as needed.
6992
6993 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6994
6995         PR middle-end/19221
6996         * function.c (get_arg_pointer_save_area): Use entry_of_function
6997         instead of get_insns.
6998
6999 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7000             Andrew Pinski  <pinskia@physics.uc.edu>
7001             James E. Wilson  <wilson@specifixinc.com>
7002
7003         PR rtl-optimization/12092
7004         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7005         is zero.
7006
7007 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7008             Olivier Hainque  <hainque@act-europe.fr>
7009
7010         * tree.c (int_fits_type_p): A narrower type always fits in a
7011         wider one, except for negative values into unsigned types.
7012
7013 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7014
7015         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7016         with the original constant rather than require TREE_OVERFLOW.
7017
7018 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7019
7020         PR middle-end/17544
7021         * c-decl.c (finish_function): If compiling C99, annotate the
7022         compiler generated return with the current file name and line 0.
7023         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7024         the source line is greater than 0.
7025         (remove_bb): Likewise.
7026
7027 See ChangeLog.12 for earlier changes.