gcc/ChangeLog

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