gcc/ChangeLog

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