gcc/ChangeLog

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