gcc/ChangeLog

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