gcc/ChangeLog

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