gcc/ChangeLog

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