gcc/ChangeLog

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