gcc/ChangeLog

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