gcc/ChangeLog

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