gcc/ChangeLog

   1 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
   2
   3         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
   4         * lambda-code.c (perfect_nestify): Mark virtual operands in
   5         the moved statement for renaming.
   6         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
   7         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
   8         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
   9         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
  10         * tree-flow.h (struct var_ann_d): Update comments.
  11         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
  12         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
  13         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
  14         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
  15         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
  16         debug_names_replaced_by): Remove declarations.
  17         (delete_update_ssa, get_current_def, set_current_def): Declare.
  18         (rewrite_into_loop_closed_ssa): Add new argument.  Update
  19         all callers.
  20         * tree-into-ssa.c: Include params.h.
  21         (old_virtual_ssa_names): Remove.  Update all users.
  22         (need_to_replace_names_p): Remove.  Update all users.
  23         (struct update_ssa_stats_d): Declare.
  24         (update_ssa_stats): New local.
  25         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
  26         dump_tree_ssa_stats, debug_tree_ssa_stats,
  27         dump_update_ssa, debug_update_ssa,
  28         dump_names_replaced_by, debug_names_replaced_by): Declare.
  29         (get_current_def, set current_def): Make extern.
  30         (is_old_name, is_new_name): Protect against references
  31         past the end of the sets.
  32         (add_new_name_mapping): Assert that OLD and NEW are
  33         different SSA names for the same symbol.
  34         When adding a virtual mapping, update stats for virtual
  35         mapping heuristic.
  36         (insert_phi_nodes_for): If UPDATE_P is true, create the
  37         LHS of the new PHI by duplicating SSA name VAR.
  38         (insert_phi_nodes_1): Remove.  Update all users.
  39         (insert_phi_nodes): Remove second argument.  Update all
  40         users.
  41         (maybe_replace_use, maybe_replace_def): New.
  42         (rewrite_update_stmt): Call them.
  43         (mark_def_interesting): Remove calls to is_gimple_reg.
  44         (prepare_phi_args_for_update): Remove.  Update all users.
  45         (prepare_block_for_update): Only process virtual operands
  46         and GIMPLE registers in normal form.
  47         (prepare_use_sites_for): New.
  48         (prepare_names_to_update): Rename from prepare_def_sites.
  49         Call prepare_use_sites_for.
  50         (dump_update_ssa): Rename from dump_repl_tbl.
  51         Update all users.
  52         Show statistics for virtual mapping heuristic.
  53         (debug_update_ssa): Rename from debug_debug_repl_tbl.
  54         (init_update_ssa): Initialize UPDATE_SSA_STATS.
  55         (delete_update_ssa): Make extern.
  56         (mark_set_for_renaming): If the set is empty, do nothing.
  57         (release_ssa_name_after_update_ssa): Update comment.
  58         (insert_updated_phi_nodes_for): Do not remove existing
  59         PHI nodes for symbols.
  60         (switch_virtuals_to_full_rewrite_p): New.
  61         (switch_virtuals_to_full_rewrite): New.
  62         (update_ssa): Call them.
  63         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
  64         for every statement before updating.
  65         If all the names in NEW_SSA_NAMES have been marked for
  66         removal, do nothing.
  67         Only start at the top of the CFG if there are symbols in
  68         SYMS_TO_RENAME.
  69         (ssa_rewrite_finalize_block): Remove.
  70         (ssa_register_new_def): Remove.
  71         (ssa_rewrite_stmt): Remove.
  72         (ssa_rewrite_phi_arguments): Remove.
  73         (ssa_rewrite_initialize_block): Remove.
  74         (ssa_mark_def_sites): Remove.
  75         (ssa_mark_def_sites_initialize_block): Remove.
  76         (ssa_mark_phi_uses): Remove.
  77         (rewrite_ssa_into_ssa): Remove.
  78         * tree-phinodes.c (find_phi_node_for): Remove.
  79         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
  80         Call update_ssa.
  81         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
  82         Remove calls to verify_dominators and
  83         verify_loop_structure.
  84         (tree_unswitch_single_loop): Call update_ssa.
  85         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
  86         returns false.
  87         Call verify_stmts.
  88         (delete_tree_ssa): Assert that need_ssa_update_p returns
  89         false.
  90         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
  91         * tree-vectorizer.c (allocate_new_names, rename_def_op,
  92         free_new_names): Remove.  Update all users.
  93         (rename_use_op): Call get_current_def.
  94         (rename_variables_in_bb): Do not handle any real or
  95         virtual definition.
  96         (slpeel_update_phis_for_duplicate_loop): Call
  97         get_current_def and set_current_def instead of using
  98         SSA_NAME_AUX.
  99         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
 100         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
 101         ssa_names_to_replace and delete_update_ssa.
 102         * doc/invoke.texi: Document --param min-virtual-mappings
 103         and --param virtual-mappings-ratio.
 104
 105 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
 106             Diego Novillo  <dnovillo@redhat.com>
 107
 108         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
 109         for newly created PHI nodes.
 110         Call create_new_def_for for every new V_MAY_DEF and
 111         V_MUST_DEF on the copied statement.
 112         (struct ssa_name_map_entry): Remove.
 113         (ssa_name_map_entry_hash): Remove.
 114         (ssa_name_map_entry_eq): Remove.
 115         (allocate_ssa_names): Remove.
 116         (rewrite_to_new_ssa_names_def): Remove.
 117         (rewrite_to_new_ssa_names_use): Remove.
 118         (rewrite_to_new_ssa_names_bb): Remove.
 119         (rewrite_to_new_ssa_names): Remove.
 120         (tree_duplicate_sese_region): Remove variables ver,
 121         definitions, phi, ssa_name_map and bi.
 122         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
 123         Call update_ssa.
 124         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
 125         update_ssa instead of rewrite_ssa_into_ssa.
 126         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
 127         create_new_def_for.
 128         (find_uses_to_rename_use): Add argument 'need_phis'.
 129         (find_uses_to_rename_stmt): Do not scan virtual operands.
 130         (find_uses_to_rename): Only scan PHI nodes for
 131         non-virtual names.
 132         (rewrite_into_loop_closed_ssa): Call update_ssa.
 133         (check_loop_closed_ssa_use): Ignore virtual operands.
 134         (check_loop_closed_ssa_stmt): Likewise.
 135         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
 136         NULL.
 137         (rename_variables, set_phi_def_stmts): Remove.
 138         (tree_duplicate_loop_to_header_edge): Reformat comment.
 139         Remove variables BB, I and DEFINITIONS.
 140         Call need_ssa_update_p.
 141         Call update_ssa.
 142         (lv_adjust_loop_header_phi): Reformat comment.
 143         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
 144         (marked_for_rewrite_p, any_marked_for_rewrite_p,
 145         mark_for_rewrite, unmark_all_for_rewrite,
 146         marked_ssa_names): Remove.  Update all users.
 147         (release_ssa_name): If VAR has been registered for SSA
 148         updating, do nothing.
 149         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
 150         (build_assert_expr_for): Call register_new_name_mapping.
 151         (insert_range_assertions): Update call to update_ssa.
 152         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
 153         marked_for_rewrite_p, any_marked_for_rewrite_p,
 154         marked_ssa_names): Remove.
 155
 156 2005-04-22  Jeff Law  <law@redhat.com>
 157
 158         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
 159         (restore_currdefs_to_original_value): Likewise.
 160         (register_definitions_for_stmt): Likewise.
 161         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
 162         for each variable.  Do not allocate/free block_defs_stack either.
 163         Do not iterate if we just thread jumps.  Only iterate if the
 164         tree_cleanup_cfg does useful work (temporary).
 165         (dom_opt_initialize_block): No longer push a marker on
 166         BLOCK_DEFS_STACK.
 167         (dom_opt_finalize_block): Removal call to restore currdefs.
 168         Relax restrictions for recording edge equivalences.
 169         (record_equivalences_from_phis): No longer need to track
 170         CURRENT_DEF.
 171         (optimize_stmt): Similarly.
 172         (thread_across_edge): Simplify by removing the requirement that
 173         statements in the block we are threading through must be nops.
 174         (initialize_hash_element): Handle GOTO_EXPR.
 175
 176 2005-04-22  David S. Miller  <davem@davemloft.net>
 177
 178         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
 179         CONST_DOUBLE_HIGH.
 180         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
 181         fix check on CONST_DOUBLE mode.  It should be VOIDmode
 182         when it is representing an integer.
 183
 184 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 185
 186         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
 187         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
 188         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
 189         find_char_info_specifier_index,
 190         find_length_info_modifier_index): Likewise.
 191         * c-typeck.c (composite_type, pop_init_level): Likewise.
 192         * combine.c (cant_combine_insn_p, try_combine): Likewise.
 193         * cse.c (cse_insn): Likewise
 194         * dominance.c (calc_dfs_tree): Likewise
 195         dwarf2out.c (loc_descriptor_from_tree_1,
 196         add_abstract_origin_attribute, force_decl_die,
 197         force_type_die): Likewise
 198         emit-rtl.c (operand_subword_force): Likewise
 199         explow.c (hard_function_value): Likewise
 200         expmed.c (store_bit_field, expand_divmod,
 201         emit_store_flag_force): Likewise
 202         expr.c (emit_move_multi_word, store_expr,
 203         expand_expr_real_1): Likewise
 204         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
 205         output_operand): Likewise
 206         flow.c (recompute_reg_usage): Likewise
 207         * function.c (assign_stack_temp_for_type, assign_temp,
 208         handle_epilogue_set): Likewise
 209         * genextract.c (main): Likewise
 210         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
 211         gimplify_modify_expr_rhs, gimplify_expr): Likewise
 212         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
 213         ready_remove, rm_line_notes, rm_other_notes,
 214         schedule_block): Likewise
 215         mips-tfile.c (copy_object, out_of_bounds): Likewise
 216
 217 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
 218
 219         PR target/20813
 220         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
 221         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
 222         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
 223         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
 224         TARGET_XL_COMPAT.
 225         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
 226
 227 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 228
 229         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
 230         (gcc_tree_to_linear_expression): Convert to heap allocated
 231         vectors.
 232         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
 233         lbv_to_gcc_expression, lle_to_gcc_expression,
 234         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
 235         perfect_nestify): Likewise.
 236         lambda.h (gcc_loopnest_to_lambda_loopnest,
 237         lambda_loopnest_to_gcc_loopnest): Likewise.
 238         tree-loop-linear.c (linear_transform_loops): Likewise.
 239
 240 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 241
 242         * config/sparc/predicates.md (arith_double_operand): Use
 243         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
 244         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
 245         (DImode, DFmode constant splitters): Likewise.  Remove code for
 246         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
 247         (logical constant splitters): Use const_int_operand predicate.
 248         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
 249         HOST_BITS_PER_WIDE_INT < 64.
 250
 251 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 252
 253         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
 254         gcc_unreachable as appropriate.
 255         (force_mode, emit_move_sequence, singlemove_string,
 256         output_move_double, output_fp_move_double, find_addr_reg,
 257         output_block_move, output_block_clear, output_and,
 258         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
 259         pa_adjust_cost, pa_issue_rate, print_operand,
 260         output_global_address, output_arg_descriptor, output_cbranch,
 261         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
 262         output_call): Likewise.
 263         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
 264         prefetch, prefetch_cc, prefetch_nocc): Likewise.
 265
 266 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
 267
 268         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
 269         _gcov_pow2_profiler and _gcov_one_value_profiler.
 270         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
 271         (GTFILES): Add $(srcdir)/tree-profile.c.
 272         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
 273         __gcov_one_value_profiler): Declare.
 274         * gimplify.c (force_gimple_operand): Check whether the statements
 275         should be produced in ssa form.
 276         (force_gimple_operand_bsi): New function.
 277         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
 278         __gcov_one_value_profiler): New functions.
 279         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
 280         the profiled value is a power of two or not.
 281         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
 282         * tree-flow.h (in_ssa_p): Declare.
 283         (force_gimple_operand_bsi): Declare.
 284         * tree-into-ssa.c (in_ssa_p): New variable.
 285         (rewrite_into_ssa): Set in_ssa_p.
 286         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
 287         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
 288         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
 289         tree_one_value_profiler_fn): New variables.
 290         (tree_init_edge_profiler): Initialize the profiler function decls.
 291         (tree_gen_edge_profiler): Use global gcov_type_node.
 292         (prepare_instrumented_value): New function.
 293         (tree_gen_interval_profiler, tree_gen_interval_profiler,
 294         tree_gen_one_value_profiler): Call the library functions instead of
 295         creating instrumentation code.
 296         * tree.c (build_fn_decl): New function.
 297         * tree.h (build_fn_decl): Declare.
 298         * value-prof.c (rtl_divmod_values_to_profile,
 299         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
 300         tree_mod_pow2_value_transform, tree_find_values_to_profile):
 301         Do not handle may_be_other and precise values of exponents at pow2
 302         profiler.
 303         (tree_mod_subtract_transform): Reflect that value field of
 304         histogram has changed meaning.
 305         (tree_divmod_values_to_profile): Record the values correctly.
 306         (tree_values_to_profile): Update comment.
 307         * value-prof.h (struct histogram_value_t): Remove pow2 data.
 308
 309 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
 310
 311         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
 312         (decl).
 313
 314 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 315
 316         * config/i386/i386.md (length_immediate): Use gcc_assert or
 317         gcc_unreachable, as appropriate.
 318         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
 319         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
 320         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
 321         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
 322         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
 323         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
 324         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
 325         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
 326         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
 327         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
 328         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
 329         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
 330         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
 331         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
 332         *prefetch_sse_rex): Likewise.
 333         * config/i386/predicates.md (x86_64_immediate_operand,
 334         x86_64_zext_immediate_operand, symbolic_operand,
 335         no_seg_address_operand, aligned_operand,
 336         memory_displacement_operand): Likewise.
 337         * config/i386/sse.md (*mov<mode>_internal,
 338         *movv2df_internal): Likewise.
 339
 340 2005-04-22  Jan Hubicka  <jh@suse.cz>
 341
 342         * Makefile.in (ipa.o, ipa-inline.o): New files.
 343         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
 344         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
 345         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
 346         * cgraphunit.c (cgraph_default_inline_p,
 347         cgraph_decide_inlining_incrementally,  ncalls_inlined,
 348         nfunctions_inlined, initial_insns, overall_insns,
 349         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
 350         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
 351         cgraph_mark_inline, cgraph_check_inline_limits,
 352         cgraph_default_inline_p, cgraph_recursive_inlining_p,
 353         update_callee_keys, lookup_recursive_calls,
 354         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
 355         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
 356         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
 357         pass_ipa_inline): Move to ipa-inline.c
 358         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
 359         * ipa.c: New file.
 360         * ipa-inline.c: New file.
 361
 362 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 363
 364         * doc/invoke.texi (SPARC options): Document that -mapp-regs
 365         is turned off by default on Solaris.
 366
 367 2005-04-21  Roger Sayle  <roger@eyesopen.com>
 368
 369         * c-common.h (objc_build_method_signature): Update prototype.
 370         * stub-objc.c (objc_build_method_signature): Update the stub
 371         implementation to accept and ignore additional parameter.
 372         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
 373         the value of ellipsis to objc_build_method_signature instead
 374         of setting TREE_OVERFLOW on the parms TREE_LIST node.
 375
 376 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
 377
 378         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
 379         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
 380         gen_rtx_* not gen_rtx_fmt_*.
 381         (rs6000_emit_vector_select): Likewise.
 382         (rs6000_emit_sync): New.
 383         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
 384         (larx, stcx, cmp): New mode substitutions.
 385         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
 386         UNSPEC_ISYNC): New constants.
 387         (rlwinm): Give name.
 388         (memory_barrier, isync, lwsync): New insns.
 389         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
 390         (sync_lock_release<mode>): New expander.
 391         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
 392         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
 393         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
 394         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
 395         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
 396         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
 397         (sync_add<mode>_internal, sync_addshort_internal,
 398         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
 399         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
 400         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
 401
 402         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
 403         is the memory before, not after, the operation.  Clarify
 404         barrier requirements.
 405
 406 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 407
 408         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
 409         * lambda.h (lambda_vector_min_nz): Likewise.
 410         * langhooks.h (struct lang_hooks_for_types,
 411         struct lang_hooks): Likewise.
 412         * output.h (assemble_integer, this_is_asm_operands): Likewise.
 413         * tree.h: Likewise.
 414         * vec.h: Likewise.
 415         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
 416
 417         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
 418         comments to avoid 'abort'.  Use gcc_assert as necessary.
 419         * opts.c (common_handle_option): Likewise.
 420         * pretty-print.c (pp_base_format_text): Likewise.
 421         * print-rtl.c (print_rtx): Likewise.
 422         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
 423         * regmove.c (try_auto_increment): Likewise.
 424         * reload.c (find_valid_class, find_reloads_toplev,
 425         find_equiv_reg): Likewise.
 426         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
 427         merge_assigned_reloads): Likewise.
 428         * tree-inline.c (inline_forbidden_p_1,
 429         estimate_num_insns_1): Likewise.
 430         * tree-optimize.c (execute_todo): Likewise.
 431         * tree-outof-ssa.c (eliminate_phi): Likewise.
 432         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
 433         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
 434         * tree-ssa-operands.c (parse_ssa_operands,
 435         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
 436         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
 437         * tree-ssanames.c (release_ssa_name): Likewise.
 438         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
 439         walk_tree): Likewise.
 440
 441         * tree-ssa-operands.c (verify_abort): Fold into ..
 442         (verify_imm_links): ... here.
 443
 444 2005-04-21  Richard Henderson  <rth@redhat.com>
 445
 446         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
 447         on non-memory operand for previous inversion.
 448
 449 2005-04-21  Devang Patel  <dpatel@apple.com>
 450
 451         PR optimization/20994
 452         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
 453         x = !(a == b) : p , q;.
 454         (pass_if_conversion): Verify stmts and flow.
 455
 456 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 457
 458         * optabs.c (gen_conditional_trap): Restore #define.
 459
 460         * alias.c (true_dependence): Remove 'abort' from comments. Use
 461         gcc_assert and gcc_unreachable as appropriate.
 462         (canon_true_dependence): Likewise.
 463         * bb-reorder.c (connect_traces): Likewise.
 464         * c-common.c (c_add_case_label): Likewise.
 465         * c-decl.c (finish_function): Likewise.
 466         * caller-save.c (insert_restore, insert_save): Likewise.
 467         * cfg.c (update_bb_profile_for_threading): Likewise.
 468         * cfganal.c (flow_active_insn_p): Likewise.
 469         * cfgexpand.c (add_reg_br_prob_note): Likewise.
 470         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
 471         cfg_layout_merge_blocks): Likewise.
 472         * ifcvt.c (cond_exec_process_insns, merge_if_block,
 473         find_if_block): Likewise.
 474         * integrate.c (allocate_initial_values): Likewise.
 475         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
 476         swap_condition, unsigned_condition, signed_condition,
 477         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
 478         reg_or_subregno): Likewise.
 479         * lambda-code.c (lambda_compute_auxillary_space,
 480         lambda_transform_legal_p): Likewise.
 481         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
 482         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
 483         lhd_incomplete_type_error, lhd_expand_expr,
 484         lhd_types_compatible_p, lhd_tree_size): Likewise.
 485         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
 486         * local-alloc.c (update_equiv_regs): Likewise.
 487         * loop-unroll.c (peel_loop_completely
 488         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
 489         peel_loop_simple, unroll_loop_stupid,
 490         analyze_iv_to_split_insn): Likewise.
 491         * loop.c (gen_prefetch, find_and_verify_loops,
 492         basic_induction_var): Likewise.
 493         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
 494         * value-prof.c (tree_find_values_to_profile): Likewise.
 495         * varasm.c (named_section, default_assemble_integer,
 496         decode_addr_const): Likewise.
 497
 498 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
 499            Fariborz Jahanian <fjahanian@apple.com>
 500
 501         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
 502         portion of argument passed in fpr.
 503         * expr.c (emit_push_insn): Fix computation of 'offset' used to
 504         decide on partial argument save on stack.
 505
 506 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
 507
 508         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
 509         comment typos.
 510
 511 2005-04-21  Jan Hubicka  <jh@suse.cz>
 512
 513         * cgraphunit.c: Include tree-pass.h
 514         (cgraph_decide_recursive_inlining,
 515         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
 516         cgraph_decide_inlining): Dump goes to dump_file.
 517         (cgraph_optimize): Call ipa passes instead of inliner.
 518         (cgraph_gate_inlining, pass_ipa_inline): New.
 519         * tree-optimize.c (all_ipa_passes): New static variable.
 520         (register_one_dump_file): Dead with IPA passes.
 521         (register_dump_files): Likewise.
 522         (init_tree_optimization_passes): Initialize IPA passes.
 523         (execute_todo): Do cgraph dump when asked to, do not dump function body
 524         for IPA pass.
 525         * tree-pass.h (TODO_dump_cgraph): New macro.
 526         (ipa_passes): Declare.
 527         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
 528
 529 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 530
 531         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
 532         gcc_assert instead of abort.
 533         (classify_argument, examine_argument, construct_container,
 534         contains_128bit_aligned_vector_p, ix86_check_movabs,
 535         standard_80387_constant_opcode, standard_80387_constant_rtx,
 536         ix86_initial_elimination_offset, ix86_compute_frame_layout,
 537         pro_epilogue_adjust_stack, ix86_expand_epilogue,
 538         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
 539         legitimize_tls_address, output_pic_addr_const,
 540         i386_output_dwarf_dtprel, put_condition_code, print_reg,
 541         get_some_local_dynamic_name, print_operand, print_operand_address,
 542         output_387_binary_op, emit_i387_cw_initialization,
 543         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
 544         ix86_expand_clear, ix86_expand_binary_operator,
 545         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
 546         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
 547         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
 548         ix86_expand_branch, ix86_expand_setcc,
 549         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
 550         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
 551         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
 552         memory_address_length, ix86_attr_length_immediate_default,
 553         ix86_attr_length_address_default, ix86_agi_dependant,
 554         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
 555         ix86_expand_binop_builtin, ix86_force_to_memory,
 556         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
 557         x86_emit_floatuns): Likewise.
 558         * config/i386/netware.c (gen_regparm_prefix,
 559         i386_nlm_strip_name_encoding): Likewise.
 560         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
 561
 562 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 563
 564         * optabs.c (gen_condiational_trap): Remove #define.
 565         (add_equal_note): Assertify. Remove explicit indirection from
 566         call via function pointer.
 567         (expand_ternary_op, expand_simple_binop, expand_binop,
 568         expand_twoval_unop, expand_twoval_binop,
 569         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
 570         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
 571         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
 572         prepare_float_lib_cmp, emit_conditional_move,
 573         emit_conditional_add, gen_add2_insn, gen_add3_insn,
 574         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
 575         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
 576         vector_compare_rtx, expand_vec_cond_expr): Likewise.
 577
 578 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 579
 580         * vec.h: Update API to separate allocation mechanism from type.
 581         (VEC_safe_grow): New.
 582         * vec.c (calculate_allocation): New.
 583         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
 584         (vec_gc_free, vec_heap_free): Remove.
 585         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
 586         (VEC): Likewise.
 587         (mangle_macro_name): New.
 588         (struct macro_def): New.
 589         (struct macro): Add multiple argument values.
 590         (macro_expans_end): New.
 591         (push_macro_expansion):  Chain on new macro. Process multiple
 592         args, create follow on expansion. Return follow on argument.
 593         (macro_input): Deal with multiple arguments.
 594
 595         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
 596         (struct tree_binfo): Adjust.
 597         * basic-block.h: Define VEC(edge,gc).
 598         (struct edge_def): Adjust.
 599         (struct basic_block_def, struct edge_iterator): Likewise.
 600         (ei_container, ei_start_1, ei_last_1): Likewise.
 601         * cfg.c (connect_src, connect_dest): Likewise.
 602         * cfgrtl.c (force_nonfallthru_and_redirect)
 603         * dbxout.c (dbxout_type)
 604         * dwarf2out.c (gen_member_die)
 605         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
 606         (gcc_tree_to_linear_expression): Adjust.
 607         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
 608         lbv_to_gcc_expression, lle_to_gcc_expression,
 609         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
 610         perfect_nestify): Likewise.
 611         * lambda.h (gcc_loopnest_to_lambda_loopnest,
 612         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
 613         * profile.c (instrument_values): Adjust.
 614         * tree-cfg.c (modified_noreturn_calls): Adjust.
 615         (remove_fallthru_edge): Likewise.
 616         * tree-dump.c (dequeue_and_dump): Adjust.
 617         * tree-flow-inline.h (mark_stmt_modified): Adjust.
 618         * tree-flow.h (modified_noreturn_calls): Adjust.
 619         (tree_on_heap): Remove. (yay!)
 620         (register_new_def): Adjust.
 621         * tree-into-ssa.c: Define VEC(int,heap).
 622         (block_defs_stack): Adjust.
 623         (find_idf, insert_phi_nodes, register_new_def,
 624         rewrite_initialize_block, rewrite_finalize_block,
 625         register_new_update_single, rewrite_update_init_block,
 626         rewrite_update_fini_block, rewrite_blocks,
 627         ssa_rewrite_finalize_block, ssa_register_new_def,
 628         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
 629         * tree-loop-linear.c (linear_transform_loops): Adjust.
 630         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
 631         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
 632         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
 633         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
 634         vrp_variables_stack): Adjust declarations.
 635         (tree_ssa_dominator_optimize): Adjust.
 636         (dom_opt_initialize_block, remove_local_expressions_from_table,
 637         restore_nonzero_vars_to_original_value,
 638         restore_vars_to_original_value,
 639         restore_currdefs_to_original_value, dom_opt_finalize_block,
 640         record_var_is_nonzero, record_cond, record_const_or_copy_1,
 641         optimize_stmt, update_rhs_and_lookup_avail_expr,
 642         lookup_avail_expr, record_range): Likewise.
 643         * tree-ssa-pre.c: Define VEC(basic_block,heap).
 644         (compute_antic_aux): Adjust.
 645         (inserted_exprs, create_expression_by_pieces,
 646         insert_into_preds_of_block, eliminate, mark_operand_necessary,
 647         remove_dead_inserted_code, fini_pre): Likewise.
 648         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
 649         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
 650         ssa_prop_init): Likewise.
 651         * tree-ssa.c: Define VEC(bitmap,heap).
 652         (verify_name_tags): Adjust.
 653         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
 654         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
 655         tree_divmod_values_to_profile, tree_find_values_to_profile,
 656         value_profile_transformations): Likewise.
 657         * value-prof.h: Define VEC(histogram_value,heap).
 658         * varasm.c: Remove alias_pair pointer typedef, define
 659         VEC(alias_pair,gc).
 660         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
 661
 662         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
 663         not a pointer to it.  Create an object vector.
 664         (extern_symbols): Turn into an object vector.
 665         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
 666
 667 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
 668
 669         PR/20742
 670         * Makefile.in (tree-chrec.o): Depend on params.h.
 671         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
 672         default value 20.
 673         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
 674         and fold build with fold_buildN.
 675         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
 676         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
 677         (tree_contains_chrecs): Compute an estimation of the size of the
 678         given expression.
 679         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
 680         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
 681         * tree-scalar-evolution.c (simple_iv): Ditto.
 682         * doc/invoke.texi (scev-max-expr-size): Documented.
 683
 684 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
 685
 686         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
 687         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
 688         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
 689         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
 690         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
 691         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
 692         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
 693         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
 694         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
 695         (darwin_fix_and_continue_switch): Delete.
 696         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
 697         (SUBTARGET_SWITCHES): Delete.
 698         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
 699         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
 700         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
 701         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
 702         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
 703         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
 704         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
 705         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
 706         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
 707         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
 708         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
 709         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
 710         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
 711         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
 712         (TARGET_64BIT): Undef before redefining.
 713         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
 714         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
 715         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
 716         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
 717         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
 718         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
 719         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
 720         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
 721         (ix86_debug_arg_string, ix86_debug_addr_string)
 722         (ix86_align_loops_string, ix86_align_jumps_string)
 723         (ix86_align_funcs_string): Delete.
 724         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
 725         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
 726         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
 727         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
 728         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
 729         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
 730         (SUBTARGET_SWITCHES): Delete.
 731         * config/i386/i386.c (ix86_debug_arg_string): Delete.
 732         (ix86_debug_addr_string): Delete.
 733         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
 734         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
 735         (ix86_align_loops_string, ix86_align_jumps_string)
 736         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
 737         (ix86_align_funcs_string): Make static.
 738         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 739         (ix86_handle_option): New function.
 740         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
 741         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
 742         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
 743         of darwin_fix_and_continue_switch.
 744         (darwin_one_byte_bool): Delete.
 745         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
 746         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
 747         to darwin_one_byte_bool.
 748         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
 749         * config/i386/djgpp.opt, config/i386/i386.opt,
 750         * config/i386/sco5.opt: New files.
 751
 752 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 753
 754         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
 755         fp_zero_operand, fp_register_operand, intreg_operand,
 756         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
 757         call_operand, call_operand_address, tgd_symbolic_operand,
 758         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
 759         symbolic_operand, symbolic_memory_operand, label_ref_operand,
 760         sp64_medium_pic_operand, data_segment_operand,
 761         text_segment_operand, splittable_symbolic_memory_operand,
 762         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
 763         eq_or_neq, normal_comp_operator, noov_compare_op,
 764         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
 765         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
 766         const64_operand, const64_high_operand, arith11_operand,
 767         arith10_operand, arith_double_operand, arith_double_4096_operand,
 768         arith_double_add_operand, arith11_double_operand,
 769         arith10_double_operand, small_int, small_int_or_double,
 770         uns_small_int, uns_arith_operand, clobbered_register,
 771         input_operand, compare_operand): Delete.
 772         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
 773         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
 774         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
 775         (GEN_HIGHINT64, GEN_INT64): Delete.
 776         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
 777         gen_safe_XOR64): Adjust for above deletion.
 778         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
 779         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
 780         (legitimate_constant_p): Use const_zero_operand instead.
 781         (sparc_extra_constraint_check): Likewise.
 782         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
 783         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
 784         (PREDICATE_CODES): Delete.
 785         * config/sparc/sparc.md: Include predicates.md.
 786         (All patterns): Adjust for new predicate names.
 787         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
 788         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
 789         (movdi): Use general_operand predicate.
 790         (movdi_sp64_dbl): Delete.
 791         (movdi_const64_special): Add 'N' constraint.
 792         (movdicc): Use arith10_operand predicate.
 793         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
 794         (movdi_cc_reg_sp64): Use arith10_operand predicate.
 795         (movdi_cc_reg_sp64_trunc): Delete.
 796         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
 797         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
 798         (subdi3_sp32): Delete.
 799         (subdi3_insn_sp32): Change to define_insn_and_split.
 800         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
 801         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
 802         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
 803         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
 804         small_int_operand predicate.
 805         (divdi3, udivdi3): Use arith_operand predicate.
 806         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
 807         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
 808         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
 809         (xordi3_sp64_dbl): Delete.
 810         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
 811         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
 812         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
 813         cmp_ccx_set_not): Use arith_operand predicate.
 814         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
 815         * config/sparc/predicates.md: New file.
 816
 817 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
 818
 819         PR tree-optimization/14846
 820         * fold-const.c (fold_single_bit_test_into_sign_test): New,
 821         split out from ...
 822         (fold_single_bit_test): ... here.
 823         (fold_binary): Call fold_single_bit_test_into_sign_test
 824         instead of fold_single_bit_test.
 825
 826 2005-04-20  James E Wilson  <wilson@specifixinc.com>
 827
 828         PR c++/20805
 829         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
 830         is another declaration.
 831
 832 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
 833
 834         * config/cris/predicates.md: New file.
 835         * config/cris/cris-protos.h (cris_store_multiple_op_p)
 836         (cris_movem_load_rest_p): Declare.
 837         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
 838         (cris_movem_load_rest_p): Ditto.  Globalize.
 839         (cris_bdap_operand, cris_bdap_biap_operand,
 840         cris_orthogonal_operator, cris_commutative_orth_op,
 841         cris_operand_extend_operator,
 842         cris_additive_operand_extend_operator, cris_extend_operator,
 843         cris_plus_or_bound_operator, cris_mem_op,
 844         cris_general_operand_or_symbol,
 845         cris_general_operand_or_gotless_symbol,
 846         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
 847         cris_load_multiple_op): Remove predicate functions.
 848         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
 849         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
 850         * config/cris/cris.h (PREDICATE_CODES): Don't define.
 851         * config/cris/cris.md: Include predicates.md.
 852         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
 853
 854 2005-04-20  Ian Lance Taylor  <ian@airs.com>
 855
 856         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
 857         * c-common.h (STMT_EXPR_STMT): Don't define.
 858         (STMT_EXPR_NO_SCOPE): Don't define.
 859         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
 860         * c-pretty-print.c (pp_c_primary_expression): Likewise.
 861         (pp_c_expression): Likewise.
 862
 863 2005-04-20  Richard Henderson  <rth@redhat.com>
 864
 865         PR target/21100
 866         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
 867
 868 2005-04-20  Jeff Law  <law@redhat.com>
 869
 870         * reload1.c (reload): Ignore equivalences between pseudos and
 871         read only memory.
 872
 873 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
 874
 875         PR c/12913
 876         * c-tree.h (struct c_label_list): Update comment.
 877         (struct c_label_context): Rename to struct c_label_context_se.
 878         (label_context_stack): Rename to label_context_stack_se.
 879         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
 880         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
 881         c_end_vm_scope): New.
 882         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
 883         * c-decl.c (pop_scope): Call c_end_vm_scope.
 884         (pushdecl): Call c_begin_vm_scope for variably modified
 885         declarations.
 886         (define_label): Check for jumping into scope of identifier with
 887         variably modified type.  Push label on stack for those defined at
 888         current context of identifiers with variably modified type.
 889         (start_function): Create stack level for context of identifiers
 890         with variably modified type.
 891         (finish_function): Pop stack level for context of identifiers with
 892         variably modified type.
 893         * c-typeck.c (label_context_stack): Rename to
 894         label_context_stack_se.
 895         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
 896         (c_finish_goto_label): Check for jumping into scope of identifier
 897         with variably modified type.  Push label on stack for those jumped
 898         to from current context of identifiers with variably modified
 899         type.
 900         (struct c_switch): Add blocked_vm.
 901         (c_start_case): Initialize blocked_vm.
 902         (do_case): Check blocked_vm.
 903         (c_finish_case): Add comment.
 904         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
 905         variable label_context_stack.
 906
 907 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
 908
 909         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
 910         conditional_replacement, value_replacement, abs_replacement,
 911         minmax_replacement.
 912         (replace_phi_edge_with_variable): Remove argument BB.
 913         (conditional_replacement, value_replacement,
 914         minmax_replacement, abs_replacement): Remove argument PHI_BB.
 915         Update a call to replace_phi_edge_with_variable.
 916
 917         * tree-ssa-phiopt.c: Fix comments.
 918
 919 2005-04-20  Michael Matz  <matz@suse.de>
 920
 921         PR20973
 922         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
 923         pseudos.
 924
 925 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
 926
 927         * tree-ssa-phiopt.c: Fix comment typos.
 928
 929         PR tree-optimization/21116
 930         * tree-ssa-phiopt.c: Fix a typo.
 931
 932 2005-04-19  Richard Henderson  <rth@redhat.com>
 933
 934         * builtins.c (expand_builtin_sync_operation): Revert last change.
 935         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
 936         not vs new value.
 937         (expand_compare_and_swap_loop): Likewise.
 938         (expand_sync_operation): Remove fallback from NAND to AND; invert
 939         memory operand when expanding from cmpxchg.
 940         (expand_sync_fetch_operation): Likewise.
 941         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
 942         compare-and-swap.
 943
 944         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
 945         when implementing NAND.  Fix double-add for AFTER.
 946         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
 947         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
 948         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
 949         memory value.
 950         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
 951         memory barrier.
 952
 953         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
 954         to return old memory value.
 955         (sync_compare_and_swap_cc<IMODE>): Likewise.
 956
 957         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
 958         return pre-reload.  Don't consider output or anti dependencies.
 959         * config/ia64/sync.md (IMODE): New.
 960         (modesuffix): Add QI and HI.
 961         (memory_barrier): Simplify expansion.
 962         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
 963         (cmpxchg_acq_<IMODE>): Likewise.
 964         (sync_lock_test_and_set<IMODE>): Likewise.
 965         (sync_lock_release<IMODE>): Likewise.
 966
 967 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
 968
 969         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
 970         ~X or ~Y simplify.
 971
 972 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
 973
 974         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
 975
 976 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
 977             Joseph S. Myers  <joseph@codesourcery.com>
 978
 979         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
 980         * c-typeck.c (build_c_cast): Check these options.
 981         * doc/invoke.texi: Document these options.
 982
 983 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
 984
 985         * tree-ssa-phiopt.c: Update a comment about the pass.
 986
 987 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
 988
 989         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
 990         config/mcore/mcore.c: Fix comment typos.
 991
 992 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
 993
 994         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
 995         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
 996
 997 2005-04-19  Paul Brook  <paul@codesourcery.com>
 998
 999         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
1000
1001 2005-04-19  Andrew Haley  <aph@redhat.com>
1002
1003         PR java/21022
1004         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1005         looking at a field's bitpos.
1006
1007 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1008
1009         * system.h (fopen, fdopen, freopen): Define these to the unlocked
1010         libiberty functions.
1011
1012 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1013
1014         PR tree-optimization/21096
1015         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1016
1017 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
1018
1019         PR target/21098
1020         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1021         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1022
1023 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
1024
1025         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1026         refers to the function being dumped.
1027
1028 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
1029
1030         * varasm.c (assemble_start_function): Remove reset of in_section.
1031
1032 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1033
1034         PR tree-optimization/21085
1035         * fold-const (fold_binary): Don't change X % -C to X % C if C has
1036         overflowed.
1037
1038 2005-04-19  Ben Elliston  <bje@au.ibm.com>
1039
1040         * doc/invoke.texi (Optimize Options): Refer to the correct
1041         optimisation flag -ftree-dominator-opts, not -ftree-dom.
1042
1043 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1044
1045         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
1046         alloca argument to be big enough.
1047
1048 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
1049
1050         PR middle-end/21049
1051         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1052         cfun->cfg are NULL.
1053
1054 2005-04-18  Tom Tromey  <tromey@redhat.com>
1055
1056         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1057         typo.
1058
1059 2005-04-18  Richard Henderson  <rth@redhat.com>
1060
1061         * config/alpha/alpha.c (alpha_split_atomic_op): New.
1062         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1063         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
1064         * config/alpha/alpha-protos.h: Update.
1065         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1066         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1067         (attr type): Add ld_l, st_c, mb.
1068         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1069         iornotsi3, xorsi_internal, xornotsi3): New.
1070         * config/alpha/ev4.md (ev4_ld): Add ld_l.
1071         (ev4_ist_c, ev4_mb): New.
1072         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1073         (ev5_ld_l): New.
1074         * config/alpha/ev6.md (ev6_ild): Add ld_l.
1075         (ev6_ist): Add st_c.
1076         (ev6_mb): New.
1077         * config/alpha/sync.md: New file.
1078
1079 2005-04-18  Richard Henderson  <rth@redhat.com>
1080
1081         * builtins.c (expand_builtin_sync_operation): Fold nand to and
1082         for constants.
1083
1084         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1085
1086 2005-04-18  Devang Patel  <dpatel@apple.com>
1087
1088         * config/rs6000/atlivec.md (mulv4si3): New pattern.
1089
1090 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1091
1092         PR tree-optimization/20922
1093         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1094         Fold X + c >= X and fold X - c <= X to true.
1095
1096 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1097
1098         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1099         unsigned int.
1100         (emergency_labeled_state_free): Likewise.
1101
1102 2005-04-18  Nick Clifton  <nickc@redhat.com>
1103
1104         * config/h8300/h8300.md (jump): Remove prescan parameter from
1105         calls to final_scan_insn.
1106
1107         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1108         parameter from calls to final_scan_insn.
1109
1110         * config.gcc (m68hc12): Use the m68hc11.opt file for target
1111         specific options.
1112         (v850e, v850e1): Use the v850.opt file for target specific
1113         options.
1114
1115 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         PR tree-optimization/21001
1118         * tree-optimize.c (init_tree_optimization_passes): Move the
1119         first pass_forwprop immediately before pass_vrp.
1120
1121 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1122
1123         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1124         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1125         from enum tree_code op to bool is_sizeof.
1126         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1127         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1128         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1129         case.
1130         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1131         cases.
1132         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1133         ALIGNOF_EXPR cases.
1134
1135 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1136
1137         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1138
1139 2005-04-17  Richard Henderson  <rth@redhat.com>
1140
1141         * config/alpha/alpha.c (va_list_skip_additions): Only define if
1142         TARGET_ABI_OSF.
1143         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1144         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
1145         of indirection through ssa names while looking for the gpr counter
1146         field.
1147         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1148         saved va_list_gpr_size and va_list_fpr_size.
1149
1150 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1151
1152         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1153         both pointers or both integers.
1154
1155         * tree-vrp.c (maybe_add_assert_expr): Don't assert
1156         ASSERT_EXPRs for single-use variable.
1157
1158         * tree-into-ssa.c: Fix a comment typo.
1159
1160 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
1161
1162         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1163         -mipsN before forcing a default of -mips2.
1164
1165 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1166
1167         * predict.h (IS_TAKEN): Remove.
1168         * rtl.h (NOTE_PREDICTION): Likewise.
1169
1170         * modulo-sched.c (CFG_HOOKS): Remove.
1171
1172         * c-parser.c (N_C_TTYPES): Remove.
1173
1174         * tree-flow-inline.h (get_stmt_operands): Remove.
1175         * lambda-code.c, tree-ssa-loop-unswitch.c,
1176         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1177         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1178         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1179         calls to get_stmt_operands.
1180         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1181
1182 2005-04-17  Richard Henderson  <rth@redhat.com>
1183
1184         PR target/20375
1185         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1186         of CUMULATIVE_ARGS past the last named argument.
1187         (alpha_va_start): Expect pretend_args_size only if strictly less than
1188         6 named arguments.
1189
1190 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1191
1192         PR middle-end/21024
1193         * builtins.c (expand_builtin_strcat): Convert the result of
1194         strlen to the right type.
1195         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1196         avoid creating type mismatches.
1197         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1198         type mismatches.
1199
1200         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1201
1202 2005-04-16  Richard Henderson  <rth@redhat.com>
1203
1204         PR target/21051
1205         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1206         Use the mode of boolean_type_node when the user doesn't provide one.
1207         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1208
1209 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
1210
1211         PR target/20126
1212         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1213         (const)).
1214
1215         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1216         comment.
1217
1218 2005-04-16  Roger Sayle  <roger@eyesopen.com>
1219             Steven Bosscher  <stevenb@suse.de>
1220
1221         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1222         (fold_unary_to_constant): Likewise.
1223
1224 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
1225
1226         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1227         PROP_ASM_SCAN.
1228
1229 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
1230
1231         * doc/install.texi (Specific): Avoid using asterisks in @anchor
1232         names related to target triplets.
1233         Remove i?86-*-esix from platform directory.
1234         Remove powerpc-*-eabiaix from platform directory.
1235
1236 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
1237
1238         PR middle-end/20491
1239         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1240         falling through from SUBREG case to REG.
1241
1242 2005-04-15  Roger Sayle  <roger@eyesopen.com>
1243
1244         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1245         (fold_binary): Update comment mentioning fold_relational_hi_lo.
1246         (fold_binary_to_constant): Simplify using fold_binary.
1247         (fold_unary_to_constant): Likewise, simplify using fold_unary.
1248
1249 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1250
1251         * gthr-posix.c (pthread_cancel): Define.
1252         (pthread_mutexattr_init): Likewise.
1253         (pthread_mutexattr_settype): Likewise.
1254         (pthread_mutexattr_destroy): Likewise.
1255
1256 2005-04-15  David S. Miller  <davem@davemloft.net>
1257
1258         PR target/20673
1259         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1260
1261 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1262
1263         PR tree-optimization/21031
1264         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1265         (forward_propagate_into_cond_1): Call it.  Forward propagate
1266         integer-integer casts into COND_EXPRs.
1267
1268 2005-04-15  Dave Korn  <dave.korn@artimi.com>
1269
1270         * gcc.c (default_compilers): Clarify obscure error message when
1271         reading from standard input.
1272
1273 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1274
1275         * basic-block.h (PROP_EQUAL_NOTES): Remove.
1276         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1277
1278         * tree-ssa-alias.c (init_alias_info): Remove a call to
1279         get_stmt_operands.
1280
1281 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
1282
1283         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1284         of non-virtual PHI nodes like we use to.
1285
1286 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
1287
1288         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1289         (attr_copy_rtx): Do not use it.
1290
1291 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
1292
1293         * doc/tree-ssa.texi: Grammer/abbreviation updates.
1294
1295 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
1296
1297         * tree-vect-transform.c (vectorizable_store): Mark necessary
1298         objects in the vectorized store needing renaming.  Update the
1299         SSA graph for V_MAY_DEF operands in the original store.
1300
1301 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
1302
1303         * tree-ssa-pre.c (compute_avail): It's okay to have
1304         TREE_INVARIANT's here, and value number the resulting expressions.
1305         (create_expression_by_pieces): Make sure operands that were
1306         min_invariant when we started, stay that way.
1307
1308 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
1309
1310         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1311
1312 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1313
1314         PR tree-optimization/20936.
1315         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1316
1317 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1318
1319         * doc/invoke.texi: Fix typos.
1320         * doc/md.texi: Likewise.
1321         * doc/rtl.texi: Likewise.
1322         * doc/sourcebuild.texi: Likewise.
1323         * doc/tm.texi: Likewise.
1324
1325 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
1326
1327         PR tree-optimization/21004
1328         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1329         and floorl in c99 mode only.
1330         * builtins.c (expand_builtin_int_roundingfn): Assert that
1331         fallback_fndecl is not NULL_TREE.
1332
1333 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1334
1335         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1336         * basic-block.h: Update the prototype for
1337         purge_all_dead_edges.
1338         * cfgexpand.c (tree_expand_cfg): Update a call to
1339         purge_all_dead_edges.
1340         * combine.c (combine_instructions): Likewise.
1341         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1342         rest_of_handle_cse2, rest_of_handle_gcse,
1343         rest_of_handle_postreload): likewise.
1344
1345 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
1346
1347         PR middle-end/20739
1348         * gimplify.c (gimplify_addr_expr): Compensate for removal of
1349         e.g. cv-qualification conversions.
1350
1351 2005-04-14  Mike Stump  <mrs@apple.com>
1352
1353         * config/darwin-c.c (framework_construct_pathname): We must
1354         find all headers of a framework in the first instance of it
1355         found in the seach path.
1356
1357 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1358
1359         PR tree-optimization/21021
1360         * tree-vrp.c (compare_values): Work around a bug in the front
1361         end that produces a comparison of mismatched types.
1362
1363 2004-04-14  Richard Henderson  <rth@redhat.com>
1364
1365         * config/ia64/ia64.h (enum fetchop_code): Remove.
1366         (enum ia64_builtins): Move ...
1367         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
1368         members except BSP and FLUSHRS.
1369         (ia64_init_builtins): Remove __sync builtins.
1370         (ia64_expand_builtin): Likewise.
1371         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1372         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1373         (ia64_expand_lock_release): Remove.
1374         * config/ia64/ia64.md (mf): Move to sync.md.
1375         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1376         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1377         * config/ia64/sync.md: New file.
1378         (memory_barrier): Rename from mf.
1379         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1380         (cmpxchg_acq_<I48MODE>): Likewise.
1381         (sync_lock_test_and_set<I48MODE>): Likewise.
1382
1383         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1384         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
1385
1386 2004-04-14  Richard Henderson  <rth@redhat.com>
1387
1388         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1389         (ix86_compare_emitted): New.
1390         (ix86_expand_compare): Use ix86_compare_emitted if set.
1391         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1392         and ix86_compare_op0 are set.
1393         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1394         (TARGET_CMPXCHG, TARGET_XADD): New.
1395         (ix86_compare_emitted): Declare.
1396         * config/i386/i386.md: Include sync.md
1397         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1398         (UNSPECV_XCHG, UNSPECV_LOCK): New.
1399         * config/i386/sync.md: New file.
1400
1401 2004-04-14  Richard Henderson  <rth@redhat.com>
1402
1403         PR middle-end/14311
1404         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1405         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1406         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1407         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1408         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1409         BT_FN_I8_VPTR_I8_I8): New.
1410         * builtins.def (DEF_SYNC_BUILTIN): New.
1411         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1412         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1413         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1414         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1415         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1416         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1417         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1418         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1419         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1420         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1421         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1422         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1423         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1424         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1425         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1426         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1427         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1428         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1429         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1430         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1431         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1432         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1433         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1434         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1435         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1436         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1437         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1438         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1439         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1440         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1441         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1442         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1443         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1444         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1445         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1446         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1447         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1448         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1449         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1450         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1451         BUILT_IN_SYNCHRONIZE: New.
1452         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1453         as a function.  Accept __sync_ as a prefix as well.
1454         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1455         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1456         expand_builtin_lock_release): New.
1457         (expand_builtin): Call them.
1458         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1459         neither BOTH_P nor FALLBACK_P are defined.
1460         (builtin_type_for_size): New.
1461         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1462         (resolve_overloaded_builtin): New.
1463         * c-common.h (resolve_overloaded_builtin): Declare.
1464         (builtin_type_for_size): Declare.
1465         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1466         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1467         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1468         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1469         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1470         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1471         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1472         sync_compare_and_swap_cc, sync_lock_test_and_set,
1473         sync_lock_release): New.
1474         * optabs.h: Declare them.
1475         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1476         expand_sync_operation, expand_sync_fetch_operation,
1477         expand_sync_lock_test_and_set): Declare.
1478         * genopinit.c (optabs): Add sync optabs.
1479         * optabs.c (init_optabs): Initialize sync optabs.
1480         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1481         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1482         expand_sync_operation, expand_sync_fetch_operation,
1483         expand_sync_lock_test_and_set): New.
1484         * doc/extend.texi (Atomic Builtins): New section
1485         * doc/md.texi (Standard Names): Add sync patterns.
1486
1487 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
1488
1489         * tree-eh.c (lower_try_finally_copy): Generate new code in
1490         response to goto_queue entries as if the queue was sorted by
1491         index, not pointers.
1492         (lower_try_finally_switch): Likewise.
1493
1494 2005-04-14  Richard Henderson  <rth@redhat.com>
1495
1496         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1497         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
1498         register.
1499         (ix86_expand_fp_movcc): Update to match.
1500         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1501         * config/i386/i386-protos.h: Update.
1502         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1503         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1504
1505 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
1506
1507         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1508         refer to 4.0.
1509
1510 2005-04-14  Julian Brown  <julian@codesourcery.com>
1511
1512         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1513         link failures on ppc64 Linux.
1514
1515 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1516
1517         * config.gcc: Set cpu_type for s390.
1518
1519 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
1520
1521         Fix PR tree-optimization/20963
1522         * tree-ssa-pre.c (compute_avail): Remove special case for
1523         TREE_INVARIANT.
1524         (create_expression_by_pieces): Add value numbers for forced out
1525         statements.
1526
1527 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
1528
1529         * config/cris/cris.md: Replace references to (reg:SI 16) with
1530         (reg:SI CRIS_SRP_REGNUM).
1531
1532 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1533
1534         PR tree-optimization/20657
1535         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1536         create an appropriate range from it.
1537
1538 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1539
1540         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1541         <UNSPEC_FIST_CEIL> case.
1542
1543         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1544         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1545         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1546         to implement lfloor and llfloor built-ins as x87 intrinsic function.
1547         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1548         (lfloor<mode>2): New expanders.
1549         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1550         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1551         to implement lceil and llceil built-ins as x87 intrinsic function.
1552         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1553         (lceil<mode>2): New expanders.
1554
1555 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1556
1557         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1558         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1559
1560 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
1561
1562         PR target/20927
1563         * config/s390/s390-modes.def: Define TFmode.
1564
1565 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
1566
1567         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1568         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1569         * config/mips/mips.c (mips16_insn_length): Remove reference to
1570         JUMP_TABLES_IN_TEXT_SECTION.
1571
1572 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1573
1574         * simplify-rtx.c (simplify_binary_operation_1): Return
1575         scalar or vector of constant 0, depending on the xor's
1576         mode.
1577
1578 2005-04-13  Dale Johannesen  <dalej@apple.com>
1579
1580         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
1581         (objc-act.o):  Ditto.
1582         * objc/objc-act.c (objc_gimplify_expr):  New.
1583         (objc_get_callee_fndecl):  New.
1584         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
1585         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
1586         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
1587
1588 2005-04-13  Devang Patel  <dpatel@apple.com>
1589
1590         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
1591         temp variables.
1592
1593 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
1594
1595         CRIS prologue as RTL.
1596         * config/cris/cris-protos.h (cris_emit_movem_store)
1597         (cris_expand_prologue): Prototype.
1598         * config/cris/cris.c (struct machine_function): New member
1599         stdarg_regs.
1600         (cfa_label_num, cris_target_asm_function_prologue): Remove.
1601         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
1602         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
1603         (cris_load_multiple_op, cris_return_address_on_stack)
1604         (cris_return_address_on_stack_for_return): ISO-Cify.
1605         (cris_store_multiple_op): New predicate function.
1606         (cris_expand_prologue, cris_emit_movem_store): New functions.
1607         (cris_print_operand) <case 'O'>: Handle modifications other than
1608         post-increment.
1609         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
1610         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
1611         (cris_gen_movem_load): Rearrange slightly to make local variable
1612         src a parameter, removing osrc.
1613         (cris_setup_incoming_varargs): Set machine_function member
1614         stdarg_regs to correspond to the number of registers that need to
1615         be saved.
1616         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
1617         CRIS_UNSPEC_GOT.
1618         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
1619         cris_general_operand_or_gotless_symbol accept UNSPEC.
1620         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
1621         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
1622         ("*cris_store_multiple"): New pattern.  Tweak common comment above
1623         this and "*cris_load_multiple".
1624         ("prologue"): New define_expand.
1625
1626         * config/cris/cris.md ("epilogue"): Conditionalize on
1627         TARGET_PROLOGUE_EPILOGUE.
1628
1629 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
1630
1631         PR target/20924
1632         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
1633         fpsr 0 instead of fpsr 1.
1634         (divsf3_internal_thr): Ditto.
1635         (divdf3_internal_lat): Ditto.
1636         (divdf3_internal_thr): Ditto.
1637         (divxf3_internal_lat): Ditto.
1638         (divxf3_internal_thr): Ditto.
1639
1640 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1641
1642         PR tree-optimization/20913
1643         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
1644
1645         PR tree-optimization/20702
1646         * tree-vrp.c (maybe_add_assert_expr): Recurse into
1647         dominator children that haven't been walked into.
1648
1649 2005-04-13  Julian Brown  <julian@codesourcery.com>
1650
1651         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
1652         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
1653         is true.
1654
1655 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1656
1657         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
1658         config/i386/sse.md: Fix comment typos.
1659
1660         * genattrtab.c (NULL_ATTR): Remove.
1661         * ifcvt.c (NULL_EDGE): Likewise.
1662
1663         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
1664
1665         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
1666         NOTE_PREDICT): Remove.
1667
1668 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1669
1670         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
1671         * configure: Regenerate.
1672         * config.in: Likewise.
1673         * system.h: Declare vsnprintf if not already declared.
1674
1675 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1676
1677         * optc-gen.awk: Handle stand-alone Mask records.
1678         * opth-gen.awk: Likewise.
1679         * doc/options.texi (Option file format): Document them.
1680         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
1681         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
1682         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
1683         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
1684         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
1685         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
1686         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
1687         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
1688         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
1689         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
1690         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
1691         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
1692         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
1693         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
1694         TARGET_LONG_DOUBLE_128): Likewise.
1695         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
1696         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
1697         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
1698         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
1699         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
1700         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
1701         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
1702         * config/sparc/sparc.c (fpu_option_set): New global.
1703         (sparc_handle_option): New function.
1704         (sparc_override_options): Test fpu_option_set.
1705         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
1706         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
1707         * config/sparc/sparc.opt: New file.
1708         * config/sparc/little-endian.opt: Likewise.
1709         * config/sparc/long-double-switch.opt: Likewise.
1710
1711 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1712
1713         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
1714         (bfin_handle_options): Set it if -mshared-library-id= is seen.
1715         * config/bfin/bfin.opt (mshared-library-id=): Lose
1716         Var(bfin_lib_id_given).
1717
1718 2005-04-13  Matt Thomas  <matt@3am-software.com>
1719
1720         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
1721         defining.
1722
1723 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
1724
1725         * rtl.h (CLEAR_RTX_FLAGS): Remove.
1726
1727         * cgraphunit.c (INSNS_PER_CALL): Remove.
1728
1729         * tree-ssa-forwprop.c (vars,
1730         record_single_argument_cond_exprs,
1731         substitute_single_use_vars): Remove.
1732         (forward_propagate_into_cond_1, forward_propagate_into_cond):
1733         New.
1734         (tree_ssa_forward_propagate_single_use_vars): Call
1735         forward_propagate_into_cond for each COND_EXPR.
1736
1737         * tree-inline.c (INSNS_PER_STMT): Remove.
1738
1739 2005-04-12  Richard Henderson  <rth@redhat.com>
1740
1741         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
1742         (ix86_expand_sse_fp_minmax): ... from ...
1743         (ix86_expand_fp_movcc): ... here.
1744         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
1745         * config/i386/i386-protos.h: Update.
1746         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
1747         (sse_setccsf, sse_setccdf): Allow before reload.
1748         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
1749         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
1750         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
1751         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
1752         (anddf3, nanddf3, iordf3, xordf3): New.
1753
1754 2005-04-12  Jeff Law  <law@redhat.com>
1755
1756         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
1757         (tree-ssa-uncprop.o): Add dependencies.
1758         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
1759         * tree-flow.h (remove_useless_stmts): Remove prototype.
1760         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1761         remove_useless_stmts.
1762         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
1763         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
1764         * tree-pass.h (pass_uncprop): Declare.
1765         * tree-ssa-uncprop.c: New file.
1766
1767 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
1768
1769         PR target/20670
1770         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
1771
1772 2005-04-12  Caroline Tice  <ctice@apple.com>
1773
1774         Temporary fix for partitioning problems.
1775         * passes.c (rest_of_handle_final): Remove code that
1776         frees unlikely_text_section_name,
1777         * varasm.c (assemble_start_function): Test for partitioning
1778         flag before writing out section labels.
1779         (assemble_end_function): Test for partitioning flag before
1780         writing out section labels.
1781
1782 2005-04-12  Steven Bosscher  <stevenb@suse.de>
1783             Stuart Hastings <stuart@apple.com>
1784             Jan Hubicka  <jh@suse.cz>
1785
1786         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
1787         references to gt-tree-cfg.h.
1788         * basic-block.h (struct basic_block_def): Don't skip rbi
1789         for garbage collection.
1790         (struct reorder_block_def): Make GTY-able.
1791         (struct control_flow_graph): New structure.
1792         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
1793         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
1794         but instead defines to the control_flow_graph for cfun.
1795         (label_to_block_map): New define, points to the label map of
1796         the control_flow_graph for cfun.
1797         (n_edges_for_function, n_basic_blocks_for_function,
1798         last_basic_block_for_function, basic_block_info_for_function,
1799         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
1800         basic_block_info_for_function, label_to_block_map_for_function):
1801         Counterparts for the above, taking a struct function as an extra
1802         argument.
1803         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
1804         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
1805         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
1806         (alloc_rbi_pool, free_rbi_pool): Remove.
1807         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
1808         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
1809         here...
1810         (cfg_layout_finalize) ... and don't free it here.
1811         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
1812         garbage collected.
1813         * flow.c (free_basic_block_vars): Set label_to_block_map and
1814         n_edges to zero too.
1815         * function.h (struct function): Add cfg field.
1816         * function.c (allocate_struct_function): Allocate the cfg.
1817         * tree-cfg.c (label_to_block_map): Remove.
1818         (build_tree_cfg): Don't allocate the rbi pool here...
1819         (delete_tree_cfg_annotations): ...and don't free it here.
1820         Also don't nullify label_to_block_map for cfun.
1821
1822 2005-04-12  Caroline Tice  <ctice@apple.com>
1823
1824         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1825         Revert my patch from April 9.
1826         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
1827         (reorder_basic_blocks): Revert my patch from April 9.
1828         (insert_section_boundary_note): Revert my patch from April 9.
1829         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
1830         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
1831         (COLD_END_LABEL):  Revert my patch from April 9.
1832         (cold_text_section_label):  Revert my patch from April 9.
1833         (cold_end_label): Revert my patch from April 9.
1834         (dwarf2out_switch_text_section): Revert my patch from April 9.
1835         (output_aranges): Revert my patch from April 9.
1836         (output_ranges):  Revert my patch from April 9.
1837         (output_line_info): Revert my patch from April 9.
1838         (add_location_or_const_value_attribute):  Revert my patch from April 9.
1839         (dwarf2out_var_location): Revert my patch from April 9.
1840         (dwarf2out_init):  Revert my patch from April 9.
1841         (dwarf2out_finish): Revert my patch from April 9.
1842         * function.h (struct function): Revert my patch from April 9.
1843         * opts.c (decode_options): Revert my patch from April 9.
1844         * output.h (unlikely_section_label, hot_section_label,
1845         hot_section_end_label, cold_section_end_label,
1846         unlikely_text_section_name): Revert my patch from April 9.
1847         * passes.c (rest_of_handle_final): Revert my patch from April 9.
1848         * varasm.c (unlikely_section_label, hot_section_label,
1849         hot_section_end_label, cold_section_end_label,
1850         unlikely_text_section_name): Revert my patch from April 9.
1851         (initialize_cold_section_name): Revert my patch from April 9.
1852         (unlikely_text_section): Revert my patch from April 9.
1853         (in_unlikely_text_section): Revert my patch from April 9.
1854         (named_section): Revert my patch from April 9.
1855         (function_section): Revert my patch from April 9.
1856         (current_function_section): Revert my patch from April 9.
1857         (assemble_start_function): Revert my patch from April 9.
1858         (assemble_end_function): Revert my patch from April 9.
1859         (default_section_type_flags_1): Revert my patch from April 9.
1860
1861 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1862
1863         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
1864         * config/sparc/sparc.md (untyped_call): Save the registers manually.
1865
1866         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
1867
1868 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
1869
1870         PR middle-end/20917
1871         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
1872         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
1873
1874 2004-04-12  Richard Henderson  <rth@redhat.com>
1875
1876         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
1877         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
1878         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
1879         (UNSPEC_*, UNSPECV_*): Renumber.
1880
1881 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
1882
1883         PR mudflap/19266
1884         From Richard Henderson <rth@redhat.com>:
1885         * tree-mudflap.c (mf_build_check_statement_for): Correct block
1886         splitting logic.
1887
1888 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
1889
1890         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
1891
1892 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1893
1894         * config/bfin/bfin.c (bfin_library_id_string): Remove.
1895         (bfin_library_id): New variable.
1896         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
1897         instead of bfin_library_id_string.
1898         (bfin_handle_option): New function.
1899         (override_options): Remove most code to deal with shared library IDs,
1900         just check they aren't used without -mid-shared-library.
1901         (TARGET_HANDLE_OPTION): Define.
1902         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
1903         * config/bfin/bfin.opt (mshared-library-id=): New.
1904
1905 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
1906
1907         * tree-vect-transform.c: Fix comment typos.
1908
1909 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
1910
1911         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
1912         split critical edges when not possible/profitable.
1913
1914 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1915
1916         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
1917         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
1918         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
1919         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
1920         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
1921         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
1922         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
1923         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
1924         MASK_NO_BITFIELD.
1925         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
1926         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1927         * config/ns32k/ns32k.opt: New file.
1928
1929 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
1930
1931         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
1932         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
1933         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
1934         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
1935         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
1936         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
1937         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
1938         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
1939         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
1940         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
1941         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
1942         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
1943         (MASK_COLDFIRE): Formatting fixes.
1944         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
1945         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
1946         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
1947         "_current_shared_library_a5_offset_".
1948         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1949         (MASK_ALL_CPU_BITS): New macro.
1950         (m68k_handle_option): New function.
1951         (override_options): Remove handling of m68k_library_id_string.
1952         * config/m68k/m68k.opt: New file.
1953         * config/m68k/ieee.opt: New file.
1954
1955 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
1956
1957         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1958         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
1959         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1960         (TARGET_CXX): Adjust accordingly.
1961         * target.h (struct gcc_target): Remove epxort_class_data.  Add
1962         determine_class_data_visibility and class_data_always_comdat.
1963         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1964         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
1965         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1966         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
1967         (arm_cxx_determine_class_data_visibility): New.
1968         (arm_cxx_class_data_always_comdat): Likewise.
1969         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
1970         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1971         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
1972         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
1973         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
1974         Define.
1975
1976 2005-04-11  Devang Patel  <dpatel@apple.com>
1977
1978         * tree-data-ref.c (build_classic_dist_vector,
1979         compute_subscript_distance): Make externally visible.
1980         * tree-data-ref.h (build_classic_dist_vector,
1981         compute_subscript_distance): Same.
1982         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
1983         Check distance vector against vectorization factor.
1984         (vect_analyze_loop): Determine vectorizaion factor before
1985         analyzing data dependences.
1986         * tree-vectorizer.c (loops_num): Make it externally visible and
1987         rename ...
1988         * tree-vectorizer.c (vect_loops_num): ... new name.
1989         * tree-vectorizer.h  (vect_loops_num): New.
1990
1991 2005-04-11  Devang Patel  <dpatel@apple.com>
1992
1993         * tree-vect-analyze.c (vect_analyze_operations): Check
1994         vectorizable codition.
1995         * tree-vect-transform.c (vect_is_simple_cond): New function.
1996         (vectorizable_condition): New function.
1997         (vect_transform_stmt): Handle condition_vec_info_type.
1998         * tree-vectorizer.h (enum stmt_vec_info_type): Add
1999         condition_vec_info_type.
2000         (vectorizable_condition): New.
2001
2002 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
2003
2004         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2005         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2006         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2007
2008         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2009         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2010
2011         * dwarf2out.c (output_line_info): Don't try to dereference
2012         a NULL current_function_decl.
2013
2014         * config/t-slibgcc-darwin: Don't put shared libraries in
2015         directories other than $(slibdir).
2016         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2017         OS uses for it.
2018
2019 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2020
2021         PR tree-optimization/20933
2022         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2023         logic to reject aliases between read-only and writable
2024         variables ...
2025         (may_alias_p): ... here.
2026         (get_tmt_for): Do not associate read-only tags to pointers
2027         whose pointed-to type is not read-only.
2028         * tree-ssa.c (verify_ssa): Check that memory stores have at
2029         least one V_MAY_DEF or V_MUST_DEF.
2030
2031 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2032
2033         PR/17092
2034         * configure.ac (gcc_UNLOCKED_FUNCS): New.
2035         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2036         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2037         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2038         _unlocked function.
2039         (fwrite_unlocked): Fix prototype.
2040
2041         * configure, config.in: Regenerate.
2042
2043 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
2044
2045         * tree-ssa-loop-im.c: Include real.h.
2046         (determine_invariantness_stmt): If real division divisor is
2047         invariant and flag_unsafe_math_optimizations enabled, generate
2048         invariant reciprocal for hoisting.
2049         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2050
2051 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2052
2053         Fix PR tree-optimization/20926
2054
2055         * tree-ssa-alias.c (add_type_alias): Handle subvars.
2056
2057 2005-04-11  Devang Patel  <dpatel@apple.com>
2058
2059         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2060         operand ordering.
2061
2062 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2063
2064         * fold-const.c (fold_binary_op_with_conditional_arg):
2065         use fold_buildN instead of "fold (buildN" in some
2066         non obvious places.
2067         (fold_unary): Likewise.
2068         (fold_binary): Likewise.
2069
2070 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2071
2072         Fix PR tree-optimization/20612
2073         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2074         handling
2075         (perfect_nestify): preheaderbb is *not* part of loop of the
2076         old destination.
2077
2078 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2079
2080         * tree-ssa-alias.c (may_alias_p): If the variable
2081         is a global variable and the pointer is parameter
2082         and -fargument-noalias-global is used, then
2083         the pointer cannot alias the variable.
2084
2085 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
2086
2087         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2088         * config/sparc/sparc.h: Likewise.
2089         * config/sparc/sparc.md: Likewise.
2090
2091 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
2092
2093         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2094
2095         * tree-vrp.c: Fix a comment typo.
2096
2097 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2098
2099         PR tree-optimization/20920
2100         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2101         SSA_NAME flows through an abnormal edge.
2102         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2103         through abnormal edges.
2104         (maybe_add_assert_expr): Likewise.
2105
2106 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
2107
2108         * config/s390/s390.h (s390_tune_string, s390_arch_string)
2109         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2110         (s390_stack_size_string, s390_stack_guard_string, target_flags)
2111         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2112         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2113         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2114         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2115         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2116         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2117         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2118         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2119         (TARGET_HANDLE_OPTION): Likewise.
2120         (s390_tune): Initialize to PROCESSOR_max.
2121         (s390_arch_string): Make static.
2122         (s390_tune_string, s390_warn_framesize_string): Delete.
2123         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2124         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2125         (s390_handle_arch_option, s390_handle_option): New functions.
2126         (override_options): Remove parsing of option strings.
2127         * config/s390/s390.opt: New file.
2128
2129 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2130
2131         * tree-complex.c (expand_vector_operations): Call
2132         update_stmt_if_modified.
2133
2134 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2135
2136         * tree-vect-analyze (vect_determine_vectorization_factor):
2137         Do not use GET_MODE_NUNITS.
2138         * tree-vect-transform.c (vect_get_vec_def_for_operand,
2139         (vectorizable_load, vect_transform_loop): Likewise.
2140
2141 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
2142
2143         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2144         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2145         * optabs.h (enum optab_index): Add new OTI_lceil.
2146         (lceil_optab): Define corresponding macro.
2147         * optabs.c (init_optabs): Initialize lceil_optab.
2148         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2149         and lceildi2 patterns.
2150         * builtins.c (expand_builtin_int_roundingfn): Handle
2151         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2152         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2153         BUILT_IN_LLCEIL{,F,L}.
2154         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2155         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2156         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2157         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2158         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2159         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2160         into lceil built-in function and (long long int)ceil{,f,l} into
2161         llceil built-in function.
2162         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2163         BUILT_IN_LLCEIL.
2164
2165 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2166
2167         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2168         zero.
2169
2170 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
2171
2172         * config/arm/arm.c: Fix a comment typo.
2173         * doc/tree-ssa.texi: Fix a typo.
2174
2175 2005-04-10  Steven Bosscher  <stevenb@suse.de>
2176
2177         * cselib.c (clear_table): Rename to cselib_clear_table.
2178         * cselib.h (cselib_clear_table): Add prototype.
2179         * gcse.c (gcse_main): Make 'f' argument unused.
2180         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2181         of each basic block instead.
2182         (compute_sets, compute_hash_table_work): Likewise.
2183         (constprop_register): Change int 'alter_jumps' argument to bool.
2184         (do_local_cprop): Likewise.
2185         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
2186         the insn chain.  Explicitly clear the cselib tables after finishing
2187         one basic block.  Make sure there are no unterminated libcall blocks.
2188         Update compute_sets call.
2189         (cprop): Walk basic blocks instead of the insn chain.
2190         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2191         Likewise.
2192         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2193         one_cprop_pass calls.
2194
2195 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2196
2197         * combine.c (combine_simplify_rtx): Remove a transformation that
2198         relies on an invalid assumption about rtl sign-extension semantics.
2199
2200 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2201
2202         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2203         to build_int_cst_wide.
2204
2205 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
2206
2207         PR target/20126
2208         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2209         set the original address pseudo to the correct value before the
2210         original insn, if possible, and leave the insn alone, otherwise
2211         create a new pseudo, set it and replace it in the insn.
2212         * recog.c (validate_change_maybe_volatile): New.
2213         * recog.h (validate_change_maybe_volatile): Declare.
2214
2215 2005-04-09  Caroline Tice  <ctice@apple.com>
2216
2217         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2218         Remove targetm.have_named_sections test.
2219         (fix_edges_for_rarely_executed_code): Likewise.
2220         (insert_section_boundary_note): Likewise.
2221         (reorder_basic_blocks): Check partitioning flag before calling
2222         verify_hot_cold_block_grouping.
2223         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2224         the function struct rather than global variables.
2225         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2226         (COLD_END_LABEL): Likewise
2227         (cold_text_section_label): New static global variable.
2228         (cold_end_label): Likewise.
2229         (dwarf2out_switch_text_section): Get hot/cold section labels from
2230         the function struct rather than global variables.
2231         (output_aranges): Use cold_text_section_label and cold_end_label;
2232         check partitioning flag before putting out delta.
2233         (output_ranges): Remove incorrect code attempting to use
2234         hot/cold labels.
2235         (output_line_info): Get cold section label from function struct.
2236         (add_location_or_const_value_attribute): Likewise.
2237         (get_subprogram_die): Get hot/cold section labels from function struct.
2238         (dwarf2out_var_location): Likewise.
2239         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2240         write out cold_text_section_label if partition flag is set.
2241         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2242         * function.h (struct function): Add new fields to point to hot/cold
2243         section labels: hot_section_label, cold_section_label,
2244         hot_section_end_label and cold_section_end_label; also add new field
2245         for cold text section name, unlikely_text_section_name.
2246         * opts.c (decode_options): Turn off partitioning flag if
2247         !targetm.have_named_sections.
2248         * output.h (hot_section_label): Remove.
2249         (hot_section_end_label): Remove.
2250         (cold_section_end_label): Remove.
2251         (unlikely_section_label): Remove.
2252         (unlikely_text_section_name): Remove.
2253         * passes.c (rest_of_handle_final):  Remove code that frees
2254         unlikely_text_section_name.
2255         * varasm.c (unlikely_section_label): Remove.
2256         (hot_section_label): Remove.
2257         (hot_section_end_label): Remove.
2258         (cold_section_end_label): Remove.
2259         (unlikely_text_section_name):  Remove.
2260         (initialize_cold_section_name): Modify to call
2261         targetm.strip_name_encoding; to store cold section name in current
2262         function struct, if it exists; and to only use the decl_section_name
2263         if flag_named_sections is true.
2264         (unlikely_text_section): Modify to get section name out of current
2265         function struct, if there is one; otherwise build it from
2266         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2267         (in_unlikely_text_section): Likewise.
2268         (named_section): Modify to get/put cold section name in current function
2269         struct, if there is one.
2270         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2271         targetm.have_named_sections before calling named_section.
2272         (current_function_section): Likewise.
2273         (assemble_start_function): Modify to get/put unlikely_text_section_name
2274         in current function struct; modify to get hot/cold section labels
2275         from function struct; initialize labels using
2276         ASM_GENERATE_INTERNAL_LABEL;
2277         test partitioning flag before writing out hot section label.
2278         (assemble_end_function): Test partitioning flag before writing out
2279         hot/cold section labels.
2280         (default_section_type_flags_1):  Modify to use array instead of
2281          char* for unlikely_text_section_name; set flags correctly for
2282          cold text section if there is not a current function decl.
2283
2284 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2285
2286         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2287         and TI_VA_LIST_FPR_COUNTER_FIELD.
2288         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2289         * tree-pass.h (pass_stdarg): Add.
2290         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2291         * tree-stdarg.c: New file.
2292         * tree-stdarg.h: New file.
2293         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2294         (tree-stdarg.o): Add dependencies.
2295         * function.h (struct function): Add va_list_gpr_size and
2296         va_list_fpr_size fields.
2297         * function.c (allocate_struct_function): Initialize them.
2298         * target.h (struct gcc_target): Add stdarg_optimize_hook.
2299         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2300         (TARGET_INITIALIZER): Add it.
2301
2302         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2303         va_list_{g,f}pr_counter_field.
2304         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2305         area will not be used.  Only save registers that tree-stdarg.c
2306         detected they need saving.
2307         (ix86_va_start): Don't set up fields that won't be used.
2308
2309         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2310         va_list_{g,f}pr_counter_field.
2311         (setup_incoming_varargs): Don't do anything if reg_save
2312         area will not be used.  Only save registers that tree-stdarg.c
2313         detected they need saving.
2314         (rs6000_va_start): Don't set up fields that won't be used.
2315
2316         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2317         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2318         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2319         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2320
2321 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2322
2323         PR target/20795
2324         * config/i386/i386.c (construct_container): Pass empty aligned
2325         struct, union or class in memory.
2326
2327 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
2328
2329         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2330         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2331         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2332         config/rs6000/predicates.md: Fix comment typos.
2333
2334         * sched-int.h (haifa_insn_data): Remove blockage and units.
2335         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2336         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2337         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2338
2339 2005-04-09  Jan Hubicka  <jh@suse.cz>
2340             Steven Bosscher  <stevenb@suse.de>
2341
2342         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2343         * cfgloop.c (get_loop_exit_edges): Likewise.
2344         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2345         (unloop): Likewise.
2346         * loop-unroll.c (analyze_insns_in_loop): Likewise.
2347         * tree-cfg.c (dump_cfg_status): Likewise.
2348
2349 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
2350
2351         * config/rs6000/predicates.md (altivec_register_operand): Remove
2352         redundant match_code test.
2353         (gpc_reg_operand): Same.
2354         (cc_reg_operand): Same.
2355         (cc_reg_not_cr0_operand): Same.
2356
2357 2005-04-09  Jan Hubicka  <jh@suse.cz>
2358
2359         Forgotten hunk from my last merge patch:
2360         * final.c (output_addr_const): Do not call mark_referenced.
2361
2362 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
2363
2364         * doc/tree-ssa.texi: Add immediate use documentation.
2365
2366 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
2367
2368         * arm.c (FL_WBUF): Define.
2369         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
2370         (arm_is_6_or_7): Delete.
2371         (arm_tune_wbuf): New.
2372         (arm_override_options): Set arm_tune_wbuf.
2373         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2374         (arm_is_6_or_7): Delete declaration.
2375         (arm_tune_wbuf): New declartion.
2376         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2377         (model_wbuf): Derive from arm_tune_wbuf.
2378         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2379         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2380         (arm740t): Mark CPUs as having a write buffer.
2381
2382 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2383
2384         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2385         of 'const_double_operand' in operand 2 constraints.  Update enable
2386         condition.
2387
2388 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2389
2390         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2391         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2392         * optabs.h (enum optab_index): Add new OTI_lfloor.
2393         (lfloor_optab): Define corresponding macro.
2394         * optabs.c (init_optabs): Initialize lfloor_optab.
2395         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2396         and lfloordi2 patterns.
2397         * builtins.c (expand_builtin_int_roundingfn): New prototype.
2398         (expand_builtin_int_roundingfn): New function.
2399         (fold_builtin_int_roundingfn): New prototype.
2400         (fold_builtin_int_roundingfn): New function, renamed from
2401         fold_builtin_lround.
2402         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2403         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2404         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2405         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2406         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2407         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2408         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2409         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2410         into lfloor built-in function and (long long int)floor{,f,l} into
2411         llfloor built-in function.
2412         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2413         BUILT_IN_LLFLOOR.
2414
2415 2005-04-08  Ian Lance Taylor  <ian@airs.com>
2416
2417         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2418         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2419         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2420         (DO_COND, DO_BODY): Likewise.
2421         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2422         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2423         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2424         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2425         (build_continue_stmt, build_break_stmt): Don't declare.
2426         (c_do_switch_warnings): Update declaration.
2427         * c-gimplify.c (enum bc_t): Remove.
2428         (struct c_gimplify_ctx, ctxp): Remove.
2429         (push_context, pop_context): Remove static functions.
2430         (c_genericize): Don't call push_context or pop_context.
2431         (begin_bc_block, finish_bc_block): Remove static functions.
2432         (build_bc_goto): Likewise.
2433         (gimplify_c_loop): Likewise.
2434         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2435         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2436         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2437         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2438         * c-common.c (c_do_switch_warnings): Rename from
2439         c_do_switch_warnings_1.
2440         (c_do_switch_warnings) [old version]: Remove.
2441         (c_do_switch_expr_warnings): Remove.
2442         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2443         function instead of c_do_switch_expr_warnings.
2444         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2445         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2446         * c-pretty-print.c (pp_c_statement): Likewise.
2447         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2448
2449 2005-04-08  Devang Patel  <dpatel@apple.com>
2450
2451         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2452         While selecting replacement condition pay attention to loop header.
2453
2454 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
2455
2456         Merge from tree-cleanup-branch: VRP, store CCP, store
2457             copy-prop, incremental SSA updating of FUD chains and
2458             newly exposed symbols.
2459
2460         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2461         (OBJS-common): Add tree-vrp.o.
2462         (tree-vrp.o): New rule.
2463         * basic-block.h (nearest_common_dominator_for_set): Declare.
2464         * common.opt (ftree-store-ccp): New flag.
2465         (ftree-copy-prop): New flag.
2466         (ftree-vrp): New flag.
2467         (ftree-store-copy-prop): New flag.
2468         * dominance.c (nearest_common_dominator_for_set): New.
2469         * domwalk.c (walk_dominator_tree): Only traverse
2470         statements in blocks marked in walk_data->interesting_blocks.
2471         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2472         * fold-const.c (fold): Handle ASSERT_EXPR.
2473         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2474         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2475         flag_tree_vrp at -O2.
2476         * timevar.def (TV_TREE_VRP): Define.
2477         (TV_TREE_COPY_PROP): Define.
2478         (TV_TREE_STORE_COPY_PROP): Define.
2479         (TV_TREE_SSA_INCREMENTAL): Define.
2480         (TV_TREE_STORE_CCP): Define.
2481         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2482         to kill_redundant_phi_nodes from comment.
2483         (verify_expr): Handle ASSERT_EXPR.
2484         * tree-dfa.c (mark_new_vars_to_rename): Remove second
2485         argument.  Update all users.
2486         (mark_call_clobbered_vars_to_rename): Remove.  Update all
2487         users.
2488         * tree-flow-inline.h (unmodifiable_var_p): New.
2489         * tree-flow.h (enum value_range_type): Declare.
2490         (struct value_range_def): Declare.
2491         (value_range): Declare.
2492         (remove_all_phi_nodes_for): Remove.  Update all users.
2493         (find_phi_node_for): Declare.
2494         (add_type_alias): Declare.
2495         (count_uses_and_derefs): Declare.
2496         (kill_redundant_phi_nodes): Remove.
2497         (rewrite_into_ssa): Remove.
2498         (rewrite_def_def_chains): Remove.
2499         (update_ssa, register_new_name_mapping, create_new_def_for,
2500         need_ssa_update_p, name_registered_for_update_p,
2501         release_ssa_name_after_update_ssa, dump_repl_tbl,
2502         debug_repl_tbl, dump_names_replaced_by,
2503         debug_names_replaced_by, mark_sym_for_renaming,
2504         mark_set_for_renaming, get_current_def, set_current_def,
2505         get_value_range, dump_value_range, debug_value_range,
2506         dump_all_value_ranges, debug_all_value_ranges,
2507         expr_computes_nonzero, loop_depth_of_name,
2508         unmodifiable_var_p): Declare.
2509         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2510         ASSERT_EXPR.
2511         * tree-into-ssa.c (block_defs_stack): Update comment.
2512         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2513         syms_to_rename, names_to_release, repl_tbl,
2514         need_to_initialize_update_ssa_p, need_to_update_vops_p,
2515         need_to_replace_names_p): New locals.
2516         (NAME_SETS_GROWTH_FACTOR): Define.
2517         (struct repl_map_d): Declare.
2518         (struct mark_def_sites_global_data): Add field
2519         interesting_blocks.
2520         (enum rewrite_mode): Declare.
2521         (REGISTER_DEFS_IN_THIS_STMT): Define.
2522         (compute_global_livein): Use last_basic_block instead of
2523         n_basic_blocks.
2524         (set_def_block): Remove last argument.  Update all callers.
2525         (prepare_use_operand_for_rename): Remove.  Update all callers.
2526         (prepare_def_operand_for_rename): Remove.  Update all callers.
2527         (symbol_marked_for_renaming): New.
2528         (is_old_name): New.
2529         (is_new_name): New.
2530         (repl_map_hash): New.
2531         (repl_map_eq): New.
2532         (repl_map_free): New.
2533         (names_replaced_by): New.
2534         (add_to_repl_tbl): New.
2535         (add_new_name_mapping): New.
2536         (mark_def_sites): Assume that all the operands in the
2537         statement are in normal form.
2538         (find_idf): Assert that the block in the stack is valid.
2539         (get_default_def_for): New.
2540         (insert_phi_nodes_for): Add new argument 'update_p'.
2541         Add documentation.
2542         If update_p is true, add a new mapping between the LHS of
2543         each new PHI and the name that it replaces.
2544         (insert_phi_nodes_1): Only call find_idf if needed.
2545         (get_reaching_def): Call get_default_def_for.
2546         (rewrite_operand): Remove.
2547         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2548         and REWRITE_THIS_STMT are false.
2549         Assume that all the operands in the statement are in
2550         normal form.
2551         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2552         (rewrite_virtual_phi_arguments): Remove.
2553         (invalidate_name_tags): Remove.
2554         (register_new_update_single, register_new_update_set,
2555         rewrite_update_init_block, replace_use,
2556         rewrite_update_fini_block, rewrite_update_stmt,
2557         rewrite_update_phi_arguments): New.
2558         rewrite_blocks): Remove argument 'fix_virtual_phis'.
2559         Add arguments 'entry', 'what' and 'blocks'.
2560         Initialize the dominator walker according to 'what' and
2561         'blocks'.
2562         Start the dominator walk at 'entry'.
2563         (mark_def_site_blocks): Add argument 'interesting_blocks'.
2564         Use it to configure the dominator walker.
2565         (rewrite_into_ssa): Remove argument 'all'.
2566         Make internal.
2567         (rewrite_all_into_ssa): Remove.
2568         (rewrite_def_def_chains): Remove.
2569         (mark_def_interesting, mark_use_interesting,
2570         prepare_phi_args_for_update, prepare_block_for_update,
2571         prepare_def_site_for, prepare_def_sites,
2572         dump_names_replaced_by, debug_names_replaced_by,
2573         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2574         delete_update_ssa, create_new_def_for,
2575         register_new_name_mapping, mark_sym_for_renaming,
2576         mark_set_for_renaming, need_ssa_update_p,
2577         name_registered_for_update_p, ssa_names_to_replace,
2578         release_ssa_name_after_update_ssa,
2579         insert_updated_phi_nodes_for, update_ssa): New.
2580         * tree-loop-linear.c (linear_transform_loops): Call
2581         update_ssa instead of rewrite_into_ssa.
2582         * tree-optimize.c (vars_to_rename): Remove.
2583         Update all users.
2584         (init_tree_optimization_passes): Replace
2585         pass_redundant_phi with pass_copy_prop.
2586         Add pass_vrp.
2587         Replace pass_ccp with pass_store_ccp.
2588         Add pass_store_copy_prop after pass_store_ccp.
2589         (execute_todo): If the TODO_ flags don't include updating
2590         the SSA form, assert that it does not need to be updated.
2591         Call update_ssa instead of rewrite_into_ssa and
2592         rewrite_def_def_chains.
2593         If TODO_verify_loops is set, call verify_loop_closed_ssa.
2594         (tree_rest_of_compilation):
2595         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
2596         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
2597         TODO_cleanup_cfg): Renumber.
2598         (TODO_verify_loops, TODO_update_ssa,
2599         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
2600         TODO_update_ssa_only_virtuals): Define.
2601         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
2602         Declare.
2603         * tree-phinodes.c (make_phi_node): Update documentation.
2604         (remove_all_phi_nodes_for): Remove.
2605         (find_phi_node_for): New.
2606         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
2607         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
2608         (interpret_rhs_modify_expr): Likewise.
2609         * tree-sra.c (decide_instantiations): Mark all symbols in
2610         SRA_CANDIDATES for renaming.
2611         (mark_all_v_defs_1): Rename from mark_all_v_defs.
2612         (mark_all_v_defs): New function.  Update all users to call it
2613         with the whole list of scalarized statements, not just the
2614         first one.
2615         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
2616         (compute_flow_insensitive_aliasing): If the tag is
2617         unmodifiable and the variable isn't or vice-versa, don't
2618         make them alias of each other.
2619         (setup_pointers_and_addressables): If the type tag for
2620         VAR is about to change, mark the old one for renaming.
2621         (add_type_alias): New.
2622         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
2623         (ccp_lattice_t): Rename from latticevalue.
2624         (value): Remove.  Update all users.
2625         (const_val): New local variable.
2626         (do_store_ccp): New local variable.
2627         (dump_lattice_value): Handle UNINITIALIZED.
2628         (debug_lattice_value): New.
2629         (get_default_value): Re-write.
2630         (set_lattice_value): Re-write.
2631         (def_to_varying): Remove.  Update all users.
2632         (likely_value): Return VARYING for statements that make
2633         stores when STORE_CCP is false.
2634         Return VARYING for any statement other than MODIFY_EXPR,
2635         COND_EXPR and SWITCH_EXPR.
2636         (ccp_initialize): Re-write.
2637         (replace_uses_in, replace_vuse_in, substitute_and_fold):
2638         Move to tree-ssa-propagate.c.
2639         (ccp_lattice_meet): Handle memory stores when
2640         DO_STORE_CCP is true.
2641         (ccp_visit_phi_node): Likewise.
2642         (ccp_fold): Likewise.
2643         (evaluate_stmt): Likewise.
2644         (visit_assignment): Likewise.
2645         (ccp_visit_stmt): Likewise.
2646         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
2647         into DO_STORE_CCP.
2648         (do_ssa_ccp): New.
2649         (pass_ccp): Use it.
2650         (do_ssa_store_ccp): New.
2651         (gate_store_ccp): New.
2652         (pass_store_ccp): Declare.
2653         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
2654         (may_propagate_copy): Reformat.
2655         Don't abort if ORIG is a virtual and DEST isn't.
2656         If NEW does not have alias information but DEST does,
2657         copy it.
2658         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
2659         copy_prop_kind, which_copy_prop): Declare.
2660         (stmt_may_generate_copy, get_copy_of_val,
2661         get_last_copy_of, set_copy_of_val, dump_copy_of,
2662         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
2663         copy_prop_visit_stmt, copy_prop_visit_phi_node,
2664         init_copy_prop, fini_copy_prop, execute_copy_prop,
2665         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
2666         store_copy_prop): New.
2667         (pass_copy_prop, pass_store_copy_prop): Declare.
2668         * tree-ssa-dom.c (struct opt_stats_d): Add fields
2669         'num_const_prop' and 'num_copy_prop'.
2670         (cprop_operand): Update them.
2671         (dump_dominator_optimization_stats): Dump them.
2672         (tree_ssa_dominator_optimize): Call update_ssa instead of
2673         rewrite_into_ssa.
2674         (loop_depth_of_name): Declare extern.
2675         (simplify_cond_and_lookup_avail_expr): Guard against NULL
2676         values for LOW or HIGH.
2677         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
2678         (record_equivalences_from_stmt): Call expr_computes_nonzero.
2679         (cprop_operand): Only propagate if VAL != OP.
2680         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
2681         statement for renaming.
2682         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
2683         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
2684         add_type_alias if necessary.
2685         Call mark_new_vars_to_rename.
2686         (tree_ssa_iv_optimize): If new symbols need to be renamed,
2687         mark every statement updated, call update_ssa and
2688         rewrite_into_loop_closed_ssa.
2689         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
2690         from LIVEIN if VAR is a virtual.
2691         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
2692         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
2693         (get_call_expr_operands): Reformat statement.
2694         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
2695         symbols.
2696         * tree-ssa-propagate.c (ssa_prop_init): Initialize
2697         SSA_NAME_VALUE for every name.
2698         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2699         get_value_loaded_by): New.
2700         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
2701         substitute_and_fold): Move from tree-ssa-ccp.c.
2702         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
2703         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
2704         get_value_loaded_by, replace_uses_in, substitute_and_fold):
2705         Declare.
2706         * tree-ssa.c (verify_use): Fix error message.
2707         (propagate_into_addr, replace_immediate_uses, get_eq_name,
2708         check_phi_redundancy, kill_redundant_phi_nodes,
2709         pass_redundant_phi): Remove.  Update all users.
2710         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2711         add_type_alias, if necessary.
2712         * tree-vectorizer.h (struct _stmt_vect_info): Update
2713         documentation for field 'memtag'.
2714         * tree-vrp.c: New file.
2715         * tree.def (ASSERT_EXPR): Define.
2716         * tree.h (ASSERT_EXPR_VAR): Define.
2717         (ASSERT_EXPR_COND): Define.
2718         (SSA_NAME_VALUE_RANGE): Define.
2719         (struct tree_ssa_name): Add field 'value_range'.
2720         (PHI_REWRITTEN): Remove.
2721         (struct tree_phi_node): Remove field 'rewritten'.
2722         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
2723         -ftree-store-copy-prop): Document.
2724         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
2725         Document usage of update_ssa.
2726
2727 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
2728
2729         PR target/20814
2730         * config/rs6000/predicates.md (altivec_register_operand): Accept
2731         SUBREG.
2732         (and64_operand): Do not limit CONST_INT to mask64_operand.
2733         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
2734         (and_operand): Do not limit CONST_INT to mask_operand.
2735
2736 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
2737
2738         PR rtl-optimization/20466
2739         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
2740         for overlap of the address of each list member.
2741         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
2742
2743 2005-04-08  Mike Stump  <mrs@apple.com>
2744
2745         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
2746
2747         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
2748         instead of 4.
2749
2750 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2751
2752         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
2753
2754         * function.c (push_function_context_to): Don't set
2755         contains_functions.
2756         * function.h (function): Remove contains_functions.
2757         (current_function_contains_functions): Remove.
2758
2759         * function.h (function): Remove instrument_entry_exit.
2760         (current_function_instrument_entry_exit): Remove.
2761
2762         * function.h (nonlocal_labels): Remove.
2763
2764         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
2765
2766         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
2767         (check_attr_value, write_attr_get, write_expr_attr_cache,
2768         find_attr, make_internal_attr): Don't reference negative_ok or
2769         unsigned_p.
2770         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
2771         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
2772         (ATTR_STATIC): Adjust the value.
2773
2774         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
2775
2776 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
2777
2778         * config/s390/tpf.h (ASM_SPEC): Define.
2779
2780 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
2781
2782         * tree-flow.h: Remove the prototype for
2783         redirect_immediate_uses.
2784         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
2785
2786 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
2787
2788         * arm.c (arm_const_double_by_parts): New function.
2789         * arm-protos.h (arm_const_double_by_parts): Add prototype.
2790         * arm.md (define_split for 64-bit constants): Add another one.
2791
2792 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
2793
2794         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
2795
2796 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2797
2798         * system.h: Revert last change.
2799
2800 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
2801
2802         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
2803         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
2804         (TARGET_SWITCHES): Delete.
2805         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
2806         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
2807         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
2808         * config/xtensa/xtensa.opt: New file.
2809
2810 2005-04-08  Ben Elliston  <bje@au.ibm.com>
2811
2812         * config/fp-bit.c: Include L_mul_tf in #endif comment.
2813         * config/fp-bit.h: Tidy comments.
2814
2815 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2816
2817         * system.h: Poison PARAMS.
2818
2819 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
2820
2821         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
2822         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
2823         (TARGET_SWITCHES): Delete.
2824         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2825         * config/vax/vax.opt: New file.
2826
2827 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
2828
2829         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
2830
2831 2005-04-07  Ian Lance Taylor  <ian@airs.com>
2832
2833         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
2834         define.
2835         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
2836         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
2837         Likewise.
2838
2839 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
2840
2841         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
2842         all immediate uses in PHI nodes.
2843
2844 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
2845
2846         * arm.c (arm_const_double_inline_cost): Handle any constant by
2847         using gen_lowpart and gen_highpart_mode.
2848         (note_invalid_constants): All constants in an RTX with a constraint
2849         that permits memory are now pushed to the constant pool.
2850         (output_move_double): Delete code to handle reg to reg and
2851         constant to reg moves.
2852         (const_double_needs_minipool, output_mov_immediate): Delete.
2853         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
2854         CONST_INT and CONST_VECTOR.
2855         * arm.md (ANY64): New mode macro.
2856         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
2857         (movdf_soft_insn): Split reg-reg and const-reg moves.
2858         (split patterns for 64-bit constant and register moves): New.
2859         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
2860         (cirrus_movdf_hard_insn): Likewise.
2861         * fpa.md (movdf_fpa): Likewise.
2862         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
2863         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
2864         constraints.
2865         (movv2si_internal_2): Likewise.
2866         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
2867         (movdf_vfp): Likewise.
2868         * arm-protos.h (output_mov_immediate): Delete prototype.
2869
2870 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
2871
2872         PR target/20093
2873         * simplify-rtx.c (simplify_unary_operation_1): Check
2874         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
2875
2876 2005-04-06  James E Wilson  <wilson@specifixinc.com>
2877
2878         PR target/20717
2879         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
2880         ADDR_EXPR.
2881
2882 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2883
2884         * coverage.h (GCOV_TYPE_NODE): Delete.
2885         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
2886         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
2887         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
2888         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
2889         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
2890
2891 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
2892
2893         PR other/20792
2894         * Makefile.in (gcc.pot): Remove options.c dependency.
2895         * optc-gen.awk: Don't quote help strings with N_().
2896
2897 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
2898
2899         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
2900         the function returns a pointer type.
2901
2902 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
2903
2904         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
2905         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
2906         * doc/invoke.texi: Documnet salias-max-implicit-fields.
2907         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
2908         explicit_uses members.
2909         (get_or_create_used_part_for): Initialize new fields.
2910         (fieldoff_compare): New function.
2911         (create_overlap_variables_for): Count number of fields, use
2912         heuristic to determine whether to create subvars for vars with
2913         only implicit uses.
2914         Sort the field list by offset and avoid creating duplicate SFT's.
2915
2916 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2917
2918         * c.opt (-F): Remove trailing whitespace from help string.
2919         (-finput-charset): Use a tab to separate the switch name and help
2920         string.
2921         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
2922         (-ftree-vectorizer-verbose): Likewise.
2923
2924 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2925
2926         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
2927         a PHI argument where a use occurs instead of all PHI arguments.
2928
2929 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
2930
2931         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
2932         scope.
2933
2934 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
2935
2936         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
2937         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
2938         config/bfin/bfin.h: Fix comment typos.
2939
2940 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
2941
2942         * doc/install.texi: Update the URL for Jacks.
2943         * doc/sourcebuild.texi: Likewise.
2944
2945 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2946
2947         PR target/17245
2948         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
2949         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
2950
2951 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
2952
2953         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
2954
2955 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
2956
2957         * config/v850/v850-protos.h (override_options): Delete.
2958         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
2959         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
2960         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
2961         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
2962         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
2963         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
2964         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
2965         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
2966         (OVERRIDE_OPTIONS): Delete.
2967         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
2968         (small_memory_info): Remove the value field.
2969         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
2970         TARGET_NO_APP_REGS.
2971         * config/v850/v850.c (small_memory): Remove the value field.
2972         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2973         (override_options): Delete.
2974         (v850_handle_memory_option, v850_handle_option): New functions.
2975         * config/v850/v850.opt: New file.
2976
2977 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
2978
2979         * config.host: Add a section for generic hosts, and a subsection
2980         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
2981         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
2982         * config/host-darwin.h: New.
2983         * config/x-darwin: New.
2984         * config/i386/host-i386-darwin.c: New.
2985         * config/i386/x-darwin: New.
2986         * config/rs6000/host-darwin.c: Include host-darwin.h.
2987         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
2988         (darwin_rs6000_gt_pch_use_address): Likewise.
2989         * config/rs6000/x-darwin: Change name of .o built, update
2990         dependencies for changes to rs6000/host-darwin.c.
2991
2992 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2993
2994         PR target/17824
2995         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
2996
2997 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
2998
2999         * tree-vect-analyze.c (vect_analyze_loop_form): Call
3000         split_loop_exit_edge instead of loop_split_edge_with.
3001
3002 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
3003
3004         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3005         UNSPEC_SET_VSCR): New constants, used throughout.
3006         (*andc3_v4sf): New.
3007         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3008         Replace with...
3009         (altivec_vspltis<VI_char>): ... this pattern, using
3010         a QImode const_int_operand for the immediate.
3011         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3012         define_expands.
3013
3014 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3015
3016         PR target/17822
3017         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3018
3019 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3020
3021         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3022
3023 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3024
3025         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3026         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3027         macros as living in "this file" and not gcc.h.
3028
3029 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3030
3031         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3032         -ftree-live_range_split.  Perhaps renamed at some point?
3033
3034 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3035
3036         PR target/20625
3037         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3038         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3039
3040 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3041
3042         * tree-flow.h (number_of_iterations_cond): Declaration removed.
3043         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3044         (number_of_iterations_special): New function.
3045         (number_of_iterations_exit): Use number_of_iterations_special.
3046         Use simplify_using_outer_evolutions only at -O3.
3047         (number_of_iterations_cond, tree_simplify_using_condition,
3048         simplify_using_initial_conditions, loop_niter_by_eval,
3049         compare_trees, can_count_iv_in_wider_type_bound,
3050         simplify_using_outer_evolutions): Use fold_build.
3051
3052 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
3053
3054         * doc/install.texi (Configuration): Document --with-java-home.
3055
3056 2005-04-05  Richard Henderson  <rth@redhat.com>
3057
3058         PR target/20342
3059         PR target/20447
3060         * config/i386/i386.c (print_operand): Handle vector zeros.
3061         (ix86_split_to_parts): Handle CONST_VECTOR.
3062         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3063         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3064         what modes to tie for MMX and SSE registers.
3065         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3066         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3067         to vector modes as well.
3068         * config/i386/predicates.md (const0_operand): Handle VOIDmode
3069         properly as an input mode.
3070
3071 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3072
3073         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3074
3075 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3076
3077         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3078
3079 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3080
3081         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3082         and local functions, set sse_nregs to 8 and float_in_sse.
3083         (function_arg_advance, function_arg): If float_in_sse, pass
3084         SFmode and DFmode arguments in SSE registers.
3085         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3086
3087         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3088         of -funit-at-a-time.
3089
3090 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3091
3092         * config/i386/i386-protos.h (ix86_function_value): Accept two
3093         arguments, like the target macro.
3094         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3095         * config/i386/i386.c (ix86_function_value): Accept the second
3096         argument of the target macro.
3097         (ix86_function_ok_for_sibcall): Pass a function pointer to
3098         ix86_function_value.
3099         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3100         call to ix86_value_regno).
3101         (ix86_value_regno): Add support for returning floating point values
3102         in SSE registers.
3103
3104 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3105
3106         PR tree-optimization/20076
3107         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3108         that call __builtin_return or __builtin_apply_args.
3109
3110 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3111
3112         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3113         Use immediate use iterator.
3114         (stmt_is_bumper_for_loop): Use immediate use iterator.
3115         * predict.c (strip_builtin_expect): Use update_stmt.
3116         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3117         on all elements of a STATEMENT_LIST.
3118         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3119         (bsi_remove): Remove imm_use links and mark the stmt as modified.
3120         (bsi_replace): Mark stmt as modified and the update it.
3121         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3122         (expand_complex_libcal): Call update_stmt.
3123         (expand_complex_comparison): Call mark_stmt_modified.
3124         (expand_complex_operations_1): Call update_stmt_if_modified.
3125         (expand_vector_operations_1): Call mark_stmt_modified.
3126         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3127         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3128         add_immediate_use, redirect_immediate_use,
3129         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3130         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3131         (mark_new_vars_to_rename): Call update_stmt.
3132         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3133         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3134         Ignore PHI nodes.
3135         (unmodify_stmt): Delete.
3136         (update_stmt): New.  Force an update of a stmt.
3137         (update_stmt_if_modified): update a stmt if it is out of date.
3138         (get_stmt_operands): Verify stmt is NOT modified.
3139         (stmt_modified_p): Update comment.
3140         (delink_imm_use): Remove a use node from its immuse list.
3141         (link_imm_use_to_list): Link a use node to a specific list.
3142         (link_imm_use): Link a node to the correct list.
3143         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3144         it in the correct list, if appropriate.
3145         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3146         (relink_imm_use): Link a use node in place of another node in a list.
3147         (relink_imm_use_stmt): LInk a node in place of another node, and set
3148         the stmt pointer.
3149         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
3150         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
3151         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
3152         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
3153         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
3154         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
3155         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
3156         (has_zero_uses): New.  Return true if there are no uses of a var.
3157         (has_single_use): New.  Return true if there is only a single use of a
3158         variable.
3159         (single_imm_use): New.  Return the simgle immediate use.
3160         (num_imm_uses): New.  Return the number of immediate uses.
3161         (get_v_must_def_ops): Use is now a pointer.
3162         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3163         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3164         the use node.
3165         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3166         (delink_stmt_imm_use): Delink all immuses from a stmt.
3167         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
3168         * tree-flow.h (struct dataflow_d): Delete.
3169         (immediate_use_iterator_d): New.  Immediate use iterator struct.
3170         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
3171         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
3172         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
3173         iteration.
3174         (struct stmt_ann_d): Remove dataflow_t from struct.
3175         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
3176         (if_convertible_phi_p): Use FAST immuse iterator.
3177         (if_convertible_loop_p): Don't call compute_immediate_uses.
3178         (replace_phi_with_cond_modify_expr): Call update_stmt.
3179         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3180         update_stmt_if_modified.
3181         (rewrite_all_into_ssa): Initialize ssa operands.
3182         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3183         compute_immediate_uses.
3184         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3185         ssa_property is available.
3186         (execute_one_pass):  Change parameters passed to execute_todo.
3187         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3188         (remove_ssa_form): Call fini_ssa_operands.
3189         (insert_backedge_copies): Delete call to modify_stmt.
3190         * tree-phinodes.c (make_phi_node): Initialize use nodes.
3191         (release_phi_node): Delink any use nodes before releasing.
3192         (resize_phi_node): Relink any use nodes.
3193         (remove_phi_arg_num): Delink the use node.
3194         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3195         (remove_all_phi_nodes_for): Release phi node first.
3196         * tree-pretty-print.c (dump_generic_node): Print stmt address.
3197         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3198         (scalarize_use, scalarize_copy): Call update_stmt.
3199         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3200         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3201         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3202         (ccp_initialize): Remove call to compute_immediate_uses.
3203         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3204         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3205         stmts.
3206         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3207         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3208         (eliminate_redundant_computations): Call mark_stmt_modified.
3209         (cprop_operand): Call mark_stmt_modified.
3210         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3211         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3212         (dse_optimize_stmt): Use new immuse interface.
3213         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3214         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3215         (substitute_single_use_vars): Use new immuse interface.
3216         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3217         and compute_immediate_uses.
3218         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3219         interface.
3220         (rewrite_mem_refs): Call update_stmt.
3221         (determine_lsm): Remove call to compute_imm_uses and free_df.
3222         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3223         (try_unroll_loop_completely): Call update_stmt.
3224         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3225         (rewrite_use_compare): Call update_stmt.
3226         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3227         (rewrite_use) : Call update_stmt.
3228         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3229         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3230         update_stmt.
3231         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3232         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3233         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3234         use nodes.
3235         (initialize_vuse_operand): New.  Initialize a vuse operand.
3236         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
3237         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
3238         (finalize_ssa_defs): Use stmt parameter.
3239         (correct_use_link): Ensure a use node is in the correct list, and has
3240         the correct stmt pointer.
3241         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3242         finalize_ssa_v_must_defs): Also initialize use nodes.
3243         (finalize_ssa_stmt_operands): Pass extra stmt operands.
3244         (build_ssa_operands): Seperate parsing from final operand construction.
3245         (parse_ssa_operands): New.  Parse entry point for operand building.
3246         (swap_tree_operands): New.  Swap 2 tree operands.
3247         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
3248         operands.
3249         (get_expr_operands): Call swap_tree_operands when needed.
3250         (copy_virtual_operands): Use initialize routines for virtual use ops.
3251         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3252         (verify_abort): New.  Issue imm_use error.
3253         (verify_imm_links): New Verify imm_use links for a var.
3254         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
3255         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
3256         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
3257         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
3258         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3259         (NULL_USE_OPERAND_P) Define.
3260         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3261         use node.
3262         (struct vuse_operand_type): New struct.
3263         (SET_USE): Call set_ssa_use_from_ptr.
3264         (USE_STMT): Define.
3265         (PHI_ARG_INDEX_FROM_USE): Define.
3266         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3267         argument via SET_USE, not PHI_ARG_DEF_TREE.
3268         * tree-ssa-pre.c (eliminate): Call update_stmt.
3269         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
3270         call free_df.
3271         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3272         (nearest_common_dominator_of_uses): Use imm_use iterator.
3273         (statement_sink_location): Use imm_use iterator and interface.
3274         (execute_sink_code): Don't call compute_immediate_uses or free-df.
3275         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3276         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3277         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3278         (verify_ssa): Ensure no stmt is marked modify after optimization pass
3279         if new parameter is true.
3280         (init_tree_ssa): Don't initialize operand cache here.
3281         (delete_tree_ssa): Don't destroy operand cache here.
3282         (propagate_into_addr): Pass in a use pointer, return true if anything
3283         was changed.
3284         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3285         (check_phi_redundancy): Use imm_use iterator.
3286         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3287         free_df.
3288         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3289         (release_ssa_name): Delink node and all elements in its imm_use list.
3290         * tree-tailcall.c (adjust_return_value): Call update_stmt.
3291         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3292         * tree-vectorizer.c (need_imm_uses_for): Delete.
3293         (vectorize_loops): Dont call compute_immediate_uses or free_df.
3294         * tree.h (struct ssa_imm_use_d): Define.
3295         (SSA_NAME_IMM_USE_NODE): Define.
3296         (struct tree_ssa_name): Add imm_use node.
3297         (PHI_DF): Delete.
3298         (PHI_ARG_IMM_USE_NODE): Define.
3299         (struct phi_arg_d): Add imm_use node.
3300         (struct tree_phi_node): Remove struct dataflow_d element.
3301         (TDF_STMTADDR): Define.
3302
3303 2005-04-05  Dale Johannesen  <dalej@apple.com>
3304
3305         * doc/invoke.texi (Optimization Options):  Remove
3306         duplicate -fcse-follow-jumps.  Add -fweb.
3307         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
3308         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
3309
3310 2005-04-05  Per Bothner  <per@bothner.com>
3311
3312         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3313         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3314         (warn_uninit): Get EXPR_LOCUS from context now instead.
3315         This fixes a USE_MAPPED_LOCATION testsuite failure.
3316
3317         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3318
3319 2005-04-05  Per Bothner  <per@bothner.com>
3320
3321         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3322         of the artification 'return 0' in main() to BUILTINS_LOCATION.
3323         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3324         before warning.
3325
3326 2004-04-05  Devang Patel  <dpatel@apple.com>
3327
3328         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3329         (lhsr<mode>3): ... new name.
3330         (altivec_vsra<VI_char>): Rename to ..
3331         (ashr<mode>3): ... new name.
3332         * config/rs6000/rs6000.c (builtin_description): Rename shift
3333         operations.
3334
3335 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
3336
3337         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3338         gen_lowpart_for_combine.
3339         * cse.c (gen_lowpart_if_possible): Move...
3340         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
3341         gen_lowpart_SUBREG.
3342         (gen_lowpart_no_emit_general): Use it.
3343
3344 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3345
3346         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3347         overriding.
3348
3349 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3350
3351         * system.h: Fix typo.
3352
3353 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3354
3355         * config/bfin/bfin-modes.def: New file.
3356         * config/bfin/bfin-protos.h: New file.
3357         * config/bfin/bfin.c: New file.
3358         * config/bfin/bfin.h: New file.
3359         * config/bfin/bfin.md: New file.
3360         * config/bfin/bfin.opt: New file.
3361         * config/bfin/crti.s: New file.
3362         * config/bfin/crtn.s: New file.
3363         * config/bfin/elf.h: New file.
3364         * config/bfin/lib1funcs.asm: New file.
3365         * config/bfin/predicates.md: New file.
3366         * config/bfin/t-bfin: New file.
3367         * config/bfin/t-bfin-elf: New file.
3368         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3369         Document new attributes.
3370         (interrupt, interrupt_handler, saveall): Update documentation for
3371         these attributes.
3372         * doc/install.texi (Specific): Add entry for the Blackfin.
3373         * doc/invoke.texi (Blackfin Options): New section.
3374         * doc/md.texi (Blackfin family): New section to document constraints.
3375         * config.gcc: Add bfin*-* and bfin*-elf configurations.
3376
3377 2005-04-05  Olivier Hainque  <hainque@adacore.com>
3378
3379         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3380         match what the system unwinder expects.
3381         * config/mips/mips.c (mips_frame_set): If we're saving the return
3382         address register and the dwarf return address column number differs
3383         from the hard register number, adjust the note reg to refer to the
3384         former.
3385
3386 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
3387
3388         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3389         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3390         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3391         (processor_type): New enum.
3392         (mn10300_processor): New variable.
3393         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3394         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3395         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3396         (PROCESSOR_DEFAULT): New macro.
3397         * config/mn10300/mn10300.c (mn10300_processor): New variable.
3398         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3399         (mn10300_handle_option, mn10300_override_options): New functions.
3400         * config/mn10300/mn10300.opt: New file.
3401
3402 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3403             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3404
3405         PR tree-optimization/19903
3406         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3407         that don't fit in their type after conversion.
3408
3409 2005-04-05  Uros Bizjak <uros@kss-loka.si>
3410
3411         PR target/20421
3412         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3413         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3414         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
3415         flag here. Implement using define_insn_and_split.
3416         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3417         (frndintxf2_mask_pm_i387): New insn patterns.
3418         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3419         Do not set ix86_optimize_mode_switching flag.
3420         (ceilsf2, ceildf2, ceilxf2): Same.
3421         (btruncsf2, btruncdf2, btruncxf2): Same.
3422         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3423
3424 2005-04-05  Ian Lance Taylor  <ian@airs.com>
3425
3426         PR debug/9963
3427         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3428         i386_pe_record_external_function.
3429         (i386_pe_record_external_function): Update declaration.
3430         * config/i386/winnt.c (struct extern_list): Add decl field.
3431         (i386_pe_record_external_function): Add decl parameter.
3432         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3433         identifier.
3434         * config/i386/i386-protos.h (i386_pe_record_external_function):
3435         Update declaration.
3436
3437 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
3438
3439         * config/m68k/m68k-protos.h: Add a prototype for
3440         valid_dbcc_comparison_p_2.
3441         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3442         extend_operator, const_uint32_operand, const_sint32_operand,
3443         general_src_operand, nonimmediate_src_operand,
3444         memory_src_operand, post_inc_operand, pre_dec_operand,
3445         pcrel_address): Move to predicates to predicates.md.
3446         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3447         * config/m68k/m68k.md: Include predicates.md.
3448         * config/m68k/predicates.md: New.
3449
3450 2005-04-04  Roger Sayle  <roger@eyesopen.com>
3451
3452         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3453
3454         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3455
3456 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3457
3458         * c-typeck.c (struct c_switch): Rename switch_stmt field to
3459         switch_expr.
3460         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3461         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3462         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3463         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3464         * c-common.c (c_do_switch_warnings_1): New static function broken
3465         out of c_do_switch_warnings.
3466         (c_do_switch_warnings): Call c_do_switch_warnings_1.
3467         (c_do_switch_expr_warnings): New function.
3468         * c-common.h (c_do_switch_expr_warnings): Declare.
3469
3470 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
3471             Daniel Jacobowitz  <dan@codesourcery.com>
3472
3473         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3474         trapping divide.
3475         * rtlanal.c (may_trap_p): Same.
3476
3477 2005-04-04  Dale Johannesen  <dalej@apple.com>
3478
3479         * ChangeLog:  remove reference to ChangeLog.12.
3480
3481 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
3482
3483         CRIS epilogue as RTL.
3484         * config/cris/cris.md: Change all 0 in unspec 0 to
3485         CRIS_UNSPEC_PLT.
3486         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3487         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3488         patterns.
3489         ("return"): Change to define_expand.  Call cris_expand_return for
3490         actual expansion.
3491         ("*return_expanded"): New pattern.
3492         ("epilogue"): New define_expand.
3493         * config/cris/cris.h (PREDICATE_CODES): Add
3494         cris_load_multiple_op.
3495         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3496         type.
3497         (enum cris_retinsn_type): New.
3498         (struct machine_function): New member return_type.
3499         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3500         (cris_target_asm_function_epilogue): Remove, moving RTLified
3501         contents to...
3502         (cris_expand_epilogue): New function.
3503         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3504         (cris_gen_movem_load, cris_load_multiple_op)
3505         (cris_return_address_on_stack_for_return, cris_expand_return): New
3506         functions.
3507         (cris_target_asm_function_prologue)
3508         (cris_initial_frame_pointer_offset): Call
3509         cris_reg_saved_in_regsave_area instead of complicated expression.
3510         Call cris_return_address_on_stack instead of an expression.
3511         (cris_print_operand) <case 'o', case 'O'>: New cases.
3512         (cris_return_address_on_stack): Change return-type to bool.
3513         (cris_simple_epilogue): Ditto.  Return false if registers are
3514         saved.
3515         * config/cris/cris-protos.h (cris_simple_epilogue)
3516         (cris_return_address_on_stack): Adjust prototype return type.
3517         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3518         (cris_return_address_on_stack_for_return): New prototypes.
3519
3520 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3521
3522         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3523         gpr_or_int12_operand.
3524
3525         * config/frv/frv-protos.h: Add a prototype to
3526         frv_legitimate_memory_operand and frv_const_unspec_p.
3527         (frv_unspec): Move from frv.c.
3528         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3529         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3530         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3531         gpr_or_fpr_operand, gpr_or_int12_operand,
3532         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3533         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3534         int6_operand, int5_operand, uint5_operand, uint4_operand,
3535         uint1_operand, int_2word_operand, uint16_operand,
3536         upper_int16_operand, integer_register_operand,
3537         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3538         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3539         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3540         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3541         move_destination_operand, movcc_fp_destination_operand,
3542         frv_function_symbol_referenced_p, move_source_operand,
3543         condexec_dest_operand, condexec_source_operand,
3544         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3545         const_unspec_operand, gpr_or_memory_operand,
3546         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3547         icc_operand, fcc_operand, cc_operand, icr_operand,
3548         fcr_operand, cr_operand, call_operand, sibcall_operand,
3549         symbolic_operand, relational_operator,
3550         integer_relational_operator, float_relational_operator,
3551         ccr_eqne_operator, minmax_operator,
3552         condexec_si_binary_operator, condexec_si_media_operator,
3553         condexec_si_divide_operator, condexec_si_unary_operator,
3554         condexec_sf_conv_operator, condexec_sf_add_operator,
3555         condexec_memory_operand, intop_compare_operator, acc_operand,
3556         even_acc_operand, quad_acc_operand, accg_operand: Move to
3557         predicates.md.
3558         * config/frv/frv.h (PREDICATE_CODES): Remove.
3559         * config/frv/frv.md: Include predicates.md.
3560         * config/frv/predicates.md: New.
3561
3562 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3563
3564         PR target/19537
3565         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3566         * tree-ssa-loop-ivopts.c: Include langhooks.h.
3567         (add_standard_iv_candidates_for_size): New function, extracting code
3568         from add_standard_iv_candidates and parameterizing it by type size.
3569         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3570
3571 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3572
3573         * system.h (GCOV_SIZE_TYPE): Unposion.
3574         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3575         (GCOV_TYPE_SIZE): ...this new macro.
3576         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3577         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3578         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3579         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3580         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3581         instead of unsigned_intSI_type_node.
3582         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3583         (rtl_gen_one_value_profiler_no_edge_manipulation)
3584         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
3585         * value-prof.c: Include coverage.h.
3586
3587 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
3588             Diego Novillo <dnovillo@redhat.com>
3589
3590         Fix PR tree-optimization/20703
3591         Fix PR tree-optimization/20725
3592
3593         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
3594         (create_expression_by_pieces): Ditto.
3595         (valid_in_set): Ditto. Also handle tcc_declaration.
3596         (find_or_generate_expression): Handle comparison class.
3597         (insert_into_preds_of_block): Ditto.
3598         (insert_aux): Ditto.
3599         (create_value_expr_from): Handle comparison class, recursively
3600         handle reference nodes.
3601         (compute_avail): Handle comparison classes, rewrite a little cleaner.
3602         (execute_pre): Fix spacing.
3603         (do_fre): Renamed to execute_fre.
3604
3605 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3606
3607         * doc/invoke.texi (SPARC options): Document that
3608         -mlittle-endian is not supported on Linux either.
3609
3610 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3611
3612         PR target/4198
3613         PR target/12027
3614         * config.gcc (Obsolete configurations): Remove
3615         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
3616         (sparclite-*-coff*): Delete.
3617         (sparclite-*-elf*): Likewise.
3618         (sparc86x-*-elf*): Likewise.
3619         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
3620         * config/sparc/lite.h: Delete.
3621         * config/sparc/litecoff.h: Likewise.
3622         * config/sparc/liteelf.h: Likewise.
3623         * config/sparc/sp86x-elf.h: Likewise.
3624         * config/sparc/t-sparclite: Likewise.
3625         * config/sparc/t-sp86x: Likewise.
3626
3627 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
3628
3629         * config/s390/s390-protos.h: (s390_comparison,
3630         s390_alc_comparison, s390_slb_comparison, const0_operand,
3631         consttable_operand, larl_operand, s_operand,
3632         shift_count_operand, bras_sym_operand, load_multiple_operation,
3633         store_multiple_operation, s390_plus_operand): Remove prototypes.
3634         (s390_legitimate_address_without_index_p): New prototype.
3635         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
3636         to s390.h.
3637         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
3638         const0_operand, consttable_operand, larl_operand, s_operand,
3639         shift_count_operand, bras_sym_operand, load_multiple_operation,
3640         store_multiple_operation, s390_plus_operand): Move to
3641         predicates.md.
3642         (check_mode): Remove.
3643         (s390_branch_condition_mask): Remove 'static'. Move prototype to
3644         s390-protos.h.
3645         (s390_legitimate_address_without_index_p): New.
3646         * config/s390/s390.h (PREDICATE_CODES): Remove.
3647         * config/s390/s390.md: Include predicates.md.
3648         * config/s390/predicates.md: New.
3649
3650 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3651
3652         PR target/20446
3653         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
3654         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
3655         (NEED_INDICATE_EXEC_STACK): Define to 1.
3656         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
3657         (NEED_INDICATE_EXEC_STACK): Define to 1.
3658         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
3659         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
3660         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
3661         (pic_helper_emitted_p): New global.
3662         (emit_pic_helper): New function extracted from...
3663         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
3664         Do not call emit_pic_helper if delay_pic_helper is true.
3665         (sparc_expand_prologue): Pass 'false' to load_pic_register.
3666         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
3667         (sparc_file_end): New function.
3668
3669 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3670
3671         * config/mcore/mcore-protos.h: Remove the prototypes for
3672         mcore_arith_reg_operand, mcore_general_movsrc_operand,
3673         mcore_general_movdst_operand, mcore_reload_operand,
3674         mcore_arith_J_operand, mcore_arith_K_operand,
3675         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
3676         mcore_arith_K_S_operand, mcore_arith_imm_operand,
3677         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3678         mcore_literal_K_operand, mcore_addsub_operand,
3679         mcore_compare_operand, mcore_load_multiple_operation,
3680         mcore_store_multiple_operation, mcore_call_address_operand.
3681         Add a prototype for const_ok_for_mcore.
3682         * config/mcore/mcore.c (mcore_call_address_operand,
3683         mcore_general_movsrc_operand, mcore_general_movdst_operand,
3684         mcore_arith_reg_operand, mcore_reload_operand,
3685         mcore_arith_J_operand, mcore_arith_K_operand,
3686         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
3687         mcore_arith_M_operand, mcore_arith_imm_operand,
3688         mcore_arith_any_imm_operand, mcore_arith_O_operand,
3689         mcore_literal_K_operand, mcore_addsub_operand,
3690         mcore_compare_operand, mcore_load_multiple_operation,
3691         mcore_store_multiple_operation): Move to predicates.md.
3692         (const_ok_for_mcore): Export.
3693         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
3694         * config/mcore/mcore.md: Include predicates.md.
3695         * config/mcore/predicates.md: New.
3696
3697         * config/mcore/predicates.md: Fix a comment typo.
3698
3699 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
3700             Adrian Straetling  <straetling@de.ibm.com>
3701
3702         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
3703         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
3704         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
3705         attribute.
3706         ("imul"): Removed from "type" attribute.
3707         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
3708         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
3709         Changed type to imulsi.
3710         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
3711
3712 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3713
3714         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
3715         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
3716         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
3717         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
3718         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
3719         (TARGET_SWITCHES, mcore_stack_increment_string)
3720         (TARGET_OPTIONS): Delete.
3721         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
3722         than *_BIT constants.
3723         (TARGET_8ALIGN): #undef old definition before redefining to 1.
3724         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
3725         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
3726         (mcore_override_options): Delete mcore_stack_increment code.
3727         Change use of M340_BIT to MASK_M340.
3728         * config/mcore/mcore.opt: New file.
3729
3730 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3731
3732         * config/arm/arm.c (replace_symbols_in_block): Remove static
3733         function.
3734
3735 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3736
3737         * config/fr30/fr30-protos.h: Remove the prototypes for
3738         stack_add_operand, add_immediate_operand,
3739         high_register_operand, low_register_operand, call_operand,
3740         di_operand, and nonimmediate_di_operand.
3741         * config/fr30/fr30.c (stack_add_operand,
3742         add_immediate_operand, high_register_operand,
3743         low_register_operand, call_operand, di_operand,
3744         nonimmediate_di_operand): Move to predicates.md.
3745         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
3746         * config/fr30/fr30.md: Include predicates.md.
3747         * config/fr30/predicates.md: New.
3748
3749         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
3750         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
3751         mcore_call_address_operand.
3752
3753         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
3754         general_movsrc_operand.
3755
3756 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
3757
3758         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
3759         after freeing.
3760
3761 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
3762
3763         PR target/14812
3764         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
3765         a negated value.
3766
3767 2005-04-04  Richard Henderson  <rth@redhat.com>
3768             Jakub Jelinek  <jakub@redhat.com>
3769
3770         PR rtl-optimization/16104
3771         * fold-const.c (fold_unary): Fix folding of vector conversions.
3772
3773 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3774
3775         * config.gcc (xstormy16-*-elf): Set extra_options.
3776         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
3777         * config/stormy16/stormy16.opt: New file.
3778
3779 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
3780
3781         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
3782         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
3783         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
3784         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
3785         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
3786         (TARGET_UNIX_ASM): Delete.
3787         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
3788         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
3789         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
3790         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3791         * config/pdp11/pdp11.opt: New file.
3792
3793 2005-04-03  Roger Sayle  <roger@eyesopen.com>
3794             Alexandre Oliva  <aoliva@redhat.com>
3795
3796         PR c++/19199
3797         * fold-const.c (non_lvalue): Split tests into...
3798         (maybe_lvalue_p): New function.
3799         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
3800         C++ front-end prior to lowering into gimple form.
3801
3802 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3803
3804         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
3805         BUILT_IN_STRNCASECMP): New.
3806         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
3807         and strndup.
3808
3809 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
3810
3811         PR target/14812
3812         * arm.md (addsi3_compare0_for_combiner): Delete.
3813         (addsi3_compare0_scratch_for_combiner): Delete.
3814         (cmpsi_neg_shiftsi): Delete.
3815         (compare_negsi_si): New pattern.
3816         (cmpsi_negshiftsi_si): New pattern.
3817         (negated_cbranchsi4): Restrict to equality_operator.
3818
3819         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
3820         template.
3821
3822 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3823
3824         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
3825         Fix comment typos.
3826
3827         * doc/install.texi: Fix a typo.
3828
3829 2005-04-03  Steven Bosscher  <stevenb@suse.de>
3830
3831         PR middle-end/20648
3832         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
3833         a computed goto if the edge to the computed goto block has
3834         incoming abnormal edges.  Clarify how the function works.
3835
3836 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
3837
3838         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
3839         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
3840         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
3841         hash_scan_set, reg_set_between_after_reload_p,
3842         reg_used_between_after_reload_p, get_avail_load_store_reg,
3843         eliminate_partially_redundant_load): Likewise.
3844         * postreload.c (reload_cse_simplify_set,
3845         reload_combine_note_use): Likewise.
3846         * predict.c (predict_insn, expected_value_to_br_prob,
3847         propagate_freq, expensive_function_p): Likewise.
3848         * print-rtl.c (print_rtx): Likewise.
3849         * profile.c (instrument_edges, instrument_values,
3850         compute_branch_probabilities, branch_prob, union_groups,
3851         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
3852         * protoize.c (in_system_include_dir, file_could_be_converted,
3853         file_normally_convertible, gen_aux_info_file, seek_to_line,
3854         do_cleaning): Likewise.
3855         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
3856         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
3857         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3858
3859 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3860
3861         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
3862         * modulo-sched.c (undo_replace_buff_elem): New structure.
3863         (kernel_number_of_cycles, ps_unschedule_node,
3864         undo_generate_reg_moves,free_undo_replace_buff,
3865         undo_permute_partial_schedule,  loop_single_full_bb_p,
3866         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
3867         build_loops_structure, get_sched_window): New.
3868         (generate_reg_moves): Return undo_replace_buff_elem and other
3869         fixes.
3870         (generate_prolog_epilog): Remove old loop versioning.
3871         (sms_schedule): Use loop information and loop_version.
3872         (sms_schedule_by_order): Split part of it to get_sched_window.
3873         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
3874         cfg_layout_finalize and free_dominance_info before/after SMS.
3875
3876 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
3877
3878         * cfghooks.c (lv_flush_pending_stmts,
3879         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
3880         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
3881         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
3882         lv_add_condition_to_bb,
3883         lv_adjust_loop_header_phi, extract_cond_bb_edges,
3884         flush_pending_stmts): New in cfg_hooks structure.
3885         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
3886         extract_cond_bb_edges, lv_adjust_loop_header_phi,
3887         lv_add_condition_to_bb): New declarations.
3888         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
3889         bool.
3890         (loop_version): Declare.
3891         * cfgloopmanip.c (cfghooks.h): Include.
3892         (duplicate_loop_to_header_edge): Change return type to bool.
3893         (loop_version, lv_adjust_loop_entry_edge): Move here.
3894         * cfgrtl.c (cfgloop.h): Include.
3895         (rtl_verify_flow_info_1): Fix.
3896         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
3897         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
3898         initialization.
3899         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
3900         tree_lv_add_condition_to_bb): New.
3901         (tree_cfg_hooks): Add new hooks to initialization.
3902         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
3903         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
3904
3905 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
3906
3907         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
3908         xstormy16_below100_or_register,
3909         xstormy16_splittable_below100_or_register, and
3910         nonimmediate_nonstack_operand.
3911
3912         * config/stormy16/stormy16-protos.h: Remove the prototypes for
3913         xstormy16_ineqsi_operator, equality_operator,
3914         inequality_operator, shift_operator,
3915         xstormy16_below100_operand, xstormy16_below100_or_register,
3916         xstormy16_splittable_below100_or_register,
3917         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
3918         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
3919         equality_operator, inequality_operator,
3920         xstormy16_below100_operand, xstormy16_below100_or_register,
3921         xstormy16_splittable_below100_or_register,
3922         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
3923         nonimmediate_nonstack_operand, shift_operator): Move to
3924         predicates.md.
3925         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
3926         * config/stormy16/stormy16.md: Include predicates.md.
3927         * config/stormy16/predicates.md: New.
3928
3929 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3930
3931         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
3932         small_int, large_int, reg_or_0_operand, simple_memory_operand,
3933         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
3934         move_operand, power_of_2_operand): Move to predicates.md.
3935         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
3936         PREDICATE_CODE): Remove.
3937         * config/iq2000/iq2000.md: Include predicates.md.
3938         * config/iq2000/predicates.md: New.
3939
3940 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
3941
3942         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
3943         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
3944         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
3945         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
3946         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
3947         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
3948         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
3949         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3950         (TARGET_M68HC11): Delete.
3951         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
3952         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
3953         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
3954         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
3955         (nb_soft_regs): Delete.
3956         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
3957         (m68hc11_override_options): Remove the code that caters for MASK_M6811
3958         and MASK_M6812 being set simultaneously.  Change the code that sets
3959         the default m68hc11_soft_reg_count to use integers instead of strings.
3960         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
3961         m68hc11_soft_reg_count (which now has an int type) as the number
3962         of soft registers.
3963         * config/m68hc11/m68hc11.opt: New file.
3964
3965 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
3966
3967         * config/fr30/fr30.h (PREDICATE_CODES): Remove
3968         fp_displacement_operand, sp_displacement_operand.
3969
3970         * config/m68hc11/m68hc11-protos.h: Add a prototype for
3971         m68hcc_auto_inc_p.
3972         Remove the prototypes for tst_operand, cmp_operand,
3973         stack_register_operand, d_register_operand,
3974         hard_addr_reg_operand, splitable_operand,
3975         m68hc11_logical_operator, m68hc11_arith_operator,
3976         m68hc11_non_shift_operator, m68hc11_shift_operator,
3977         m68hc11_unary_operator, m68hc11_eq_compare_operator,
3978         non_push_operand, hard_reg_operand, and
3979         reg_or_some_mem_operand.
3980         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
3981         extern.
3982         (tst_operand, cmp_operand, non_push_operand,
3983         splitable_operand, reg_or_some_mem_operand,
3984         stack_register_operand, d_register_operand,
3985         hard_addr_reg_operand, hard_reg_operand,
3986         m68hc11_eq_compare_operator, m68hc11_logical_operator,
3987         m68hc11_arith_operator, m68hc11_non_shift_operator,
3988         m68hc11_shift_operator, m68hc11_unary_operator): Move to
3989         predicates.md.
3990         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
3991         * config/m68hc11/m68hc11.md: Include predicates.md.
3992         * config/m68hc11/predicates.md: New.
3993
3994 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
3995
3996         PR debug/19345
3997         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
3998         change checked in along with 2005-03-03's patch for debug/20253.
3999         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4000         (remap_decl): Insert type decl in map earlier.
4001
4002 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4003
4004         PR tree-optimization/20640
4005         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4006         post-dominator if it has phi nodes.
4007         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4008         before dead statements.
4009
4010 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4011
4012         PR middle-end/20491
4013         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4014
4015 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4016
4017         PR rtl-optimization/20290
4018         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4019         in every iteration if the entry point is the exit test.
4020
4021 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
4022
4023         * config/cris/cris.md (attribute "length"): Define.
4024
4025 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
4026
4027         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4028         (word_offset_memref_operand): New.
4029         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4030         (indexed_or_indirect_operand): Delete.
4031         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4032         (indexed_or_indirect_operand): Delete.
4033
4034         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4035
4036         PR 20650
4037         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4038         a register.
4039
4040         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4041         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4042
4043 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4044
4045         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4046
4047 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4048
4049         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4050         (rus, prus): Remove static variables.
4051         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4052         (process_command): Permit report_times and use_pipes together.
4053
4054 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4055
4056         * c-decl.c (validate_proto_after_old_defn): Look at
4057         TYPE_MAIN_VARIANT of argument types.
4058
4059 2005-04-01  Paul Brook  <paul@codesourcery.com>
4060
4061         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4062         (arm_output_function_epilogue): Allow call_via_SP.
4063         (thumb_call_via_reg, arm_file_end): Ditto.
4064         * config/arm/arm.h (struct machine_function): Include space for SP.
4065         (thumb_call_via_label): Update declaration.
4066
4067 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4068
4069         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4070         doing a peephole optimization, once again put any notes in the
4071         proper position.
4072
4073 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4074
4075         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4076
4077 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4078
4079         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4080         (block_alloc, find_free_reg): Likewise.
4081         * loop-doloop.c (doloop_modify): Likewise.
4082         * loop-invariant.c (record_use): Likewise.
4083         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4084         get_iv_value, canon_condition, eliminate_implied_condition,
4085         eliminate_implied_condition, simplify_using_initial_values,
4086         shorten_into_mode, canonicalize_iv_subregs,
4087         iv_number_of_iterations): Likewise.
4088         * loop-unroll.c (expand_var_during_unrolling): Likewise.
4089         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4090         unswitch_loop): Likewise.
4091         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4092         move_movables, replace_call_address, find_and_verify_loops,
4093         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4094         record_giv, final_giv_value, general_induction_var,
4095         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4096         loop_giv_dump): Likewise.
4097
4098         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4099         GCOV_CHECK_WRITING): Remove.
4100         (gcov_position, gcov_rewrite): Use gcc_assert.
4101         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4102         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4103         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4104         gcc_assert.
4105
4106 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4107
4108         * tree-inline.c: Fix a typo.
4109
4110 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4111
4112         * configure.ac (enable-checking): Explicitly set all variables for
4113         collective switch values.  Alphabetize variables. Rename
4114         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
4115         synonym for 'no'.
4116         * doc/install.texi (enable-checking): Update documentation.
4117         * configure: Rebuilt.
4118
4119 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4120
4121         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4122         possible.
4123
4124 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4125
4126         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4127         Also reject cases where this pattern will cause load delay stalls
4128         unless optimizing for size and it will produce a shorter sequence.
4129         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4130         variants to avoid pre-adjusting the base when possible.
4131
4132 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4133
4134         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4135         the frame and argument pointers.
4136         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4137         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4138         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4139         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4140         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4141         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4142
4143 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
4144
4145         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4146         with entry for selectany attribute.
4147         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4148         Declare.
4149         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4150         (i386_pe_asm_named_section): Handle sections generated by
4151         selectany attribute.
4152         * doc/extend.texi (selectany): Document attribute.
4153
4154 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
4155             Jan Hubicka  <jh@suse.cz>
4156
4157         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4158         to fix addresses involving EBP and ESP.
4159         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4160         for SUBREGed registers.
4161         (legitimate_address_p): Accept SUBREGed registers.
4162
4163 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
4164
4165         PR c++/19406
4166         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4167         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4168         for FIELD_DECLs.
4169
4170 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4171
4172         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4173
4174 2005-04-01  James E Wilson  <wilson@specifixinc.com>
4175
4176         PR c++/20505
4177         * dwarf2out.c (rtl_for_decl_init): New function.
4178         (rtl_for_decl_location): Extracted from here.
4179         (tree_add_const_value_attribute): Call rtl_for_decl_init and
4180         add_const_value_attribute.  Delete initializer_constant_valid_p call.
4181
4182 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4183
4184         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4185         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4186         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4187         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4188         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4189         config/i386/i386.md, config/rs6000/predicates.md,
4190         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4191         config/s390/s390.c, config/stormy16/stormy16.c,
4192         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4193         typos.
4194
4195 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4196
4197         PR c/17855
4198         * gimplify.c (gimplify_expr): Create a temporary for lvalue
4199         COND_EXPR and CALL_EXPR.
4200
4201 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4202
4203         PR target/20632
4204         * genautomata.c (first_cycle_unit_presence): Check all alternative
4205         states for unit presence.
4206
4207         * doc/md.texi: Remove remark about impossibility to query unit
4208         presence in non nondeterministic automaton state.
4209
4210         * config/ia64/ia64.c (get_template): Change order of unit querying.
4211
4212 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4213
4214         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4215         obsolete comment.
4216
4217 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
4218
4219         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4220         flag for edges outside any loops.
4221
4222 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
4223
4224         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4225
4226 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4227
4228         * tree-ssa-alias.c: Follow spelling conventions.
4229         * doc/tree-ssa.texi: Fix a typo.
4230
4231 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
4232
4233         * postreload-gcse.c: Include target.h.
4234         (gcse_after_reload_main): Return early if we cannot modify jumps.
4235         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4236
4237 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
4238
4239         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4240         expensive operations.
4241
4242 2005-03-31  Ian Lance Taylor  <ian@airs.com>
4243
4244         * collect2.c (lderrout): New variable.
4245         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
4246         if it is set, to stderr.
4247         (handler): Unlink lderrout if it is set.
4248         (dump_file): Add "to" parameter.  Change all callers.
4249         (main): Initialize lderrout.
4250         (collect_execute): Add errname parameter.  Change all callers.
4251         Rename redir parameter to outname.  Never pass
4252         PEX_STDERR_TO_STDOUT to pex_run.
4253         * collect2.h (collect_execute, dump_file): Update declarations.
4254         * tlink.c (tlink_execute): Add errname parameter.  Change all
4255         callers.
4256         (do_tlink): Check lderrout as well as ldout.
4257
4258 2005-03-31  Caroline Tice  <ctice@apple.com>
4259
4260         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4261         (bb-reorder.o): Add errors.h to list of requirements.
4262         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4263         profiledbootstrap flags.
4264         * bb-reorder.c (errors.h): Add new include.
4265         (struct bbro_basic_block_data_def): Add new field, in_trace.
4266         (add_unlikely_executed_notes):  Remove function.
4267         (mark_bb_for_unlikely_executed_section): Remove function.
4268         (insert_section_boundary_note): New function.
4269         (verify_hot_cold_block_grouping): New function.
4270         (push_to_next_round_p): Remove variables and tests that push all
4271         cold blocks to last round.
4272         (find_traces): Remove code that added extra round of trace finding
4273         when doing partitioning.
4274         (find_traces_1_round) :  Remove variable last_round;  add code to
4275         update new struct field, in_trace; correct trace_length where it was
4276         incorrect before (after call to copy_bb); change code that pushed all
4277         cold blocks to last round. Instead verify that all blocks going into
4278         a trace belong in the same partition.
4279         (connect_traces): Modify to connect the traces in two passes, if the
4280         function contains both hot and cold blocks.  The first pass connects
4281         all the traces for blocks in the partition that the first block in
4282         the function belongs to; the second pass connnects all the traces
4283         containing blocks that belong in the other partition.
4284         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
4285         code that automatically put the first block in a function into the
4286         hot partition if the function had any hot blocks.
4287         (fix_crossing_unconditional_branches): Check number of succ edges
4288         before attempting to get one.
4289         (fix_edges_for_rarely_executed_code):  Update comment describing
4290         function.
4291         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
4292         remove call to add_unlikely_executed_notes; add call to
4293         verify_hot_cold_block_grouping.
4294         (duplicate_computed_gotos): Don't change computed goto if it's a
4295         crossing edge.
4296         (partition_hot_cold_basic_blocks):  Update function comment.
4297         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4298         condition.
4299         (try_forward_edges): Likewise.
4300         (merge_blocks_move_predecessor_nojumps): Likewise.
4301         (merge_blocks_move_successor_nojumps): Likewise.
4302         (merge_blocks_move): Likewise.
4303         (try_crossjump_bb): Likewise.
4304         * cfglayout.c (update_unlikely_executed_notes): Remove function.
4305         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4306         notes to cold bb's; remove call to update_unlikely_executed_notes.
4307         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4308         NOTE_INSN_SWITCH_TEXT_SECTIONS.
4309         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4310         function declaration.
4311         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4312         from consideration.
4313         (rtl_can_merge_blocks): Remove redundancy from condition.
4314         (try_redirect_by_replacing_jump): Likewise.
4315         (force_nonfallthru_and_redirect): Remove code for adding
4316         UNLIKELY_EXECUTED_CODE notes to cold bb's.
4317         (commit_one_edge_insertion): Likewise.
4318         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4319         * dbxout.c (FORCE_TEXT): Replace function_section with
4320         current_function_section.
4321         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4322         function, switch_text_section.
4323         (struct xcoff_debug): Likewise.
4324         (dbxout_function_end): Add code to put out label diffs for both
4325         hot and cold sections.
4326         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4327         for new debug_hooks funciton, switch_text_section..
4328         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
4329         switch_text_section.
4330         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
4331         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4332         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4333         dw_fde_switched_sections.
4334         (output_call_frame_info):  Add test to see if function switches text
4335         sections in the middle; if so, use appropriate extra hot and cold
4336         section labels to compute size deltas for the hot and cold sections.
4337         (dwarf2out_begin_prologue): Add code to initialize new fields in
4338         dw_fde_struct.
4339         (dwarf2out_switch_text_section): New function (invoked through
4340         debug_hook); updates new fields in dw_fde_struct appropriately and
4341         increments separate_line_info_table_in_use.
4342         (dwarf2_debug_hooks): Initialize switch_text_section function to be
4343         dwarf2out_switch_text_section.
4344         (struct var_loc_node): Add new field, section_label.
4345         (output_aranges): Add code to check whether in hot or cold section and
4346         use the appropriate label in calculating deltas.
4347         (output_ranges): Likewise.
4348         (output_line_info): Add code to check which section we're in and
4349         use appropriate hot/cold label.
4350         (add_location_or_constant_value_attribute): Likewise.
4351         (gen_subprogam_die): Modify arange attributes to use correct labels.
4352         (dwarf2out_begin_block): Change call to function_section into call to
4353         current_function_section.
4354         (dwarf2out_end_block): Likewise.
4355         (dwarf2out_source_line): Likewise.
4356         (dwarf2out_var_location): Add code to check whether in hot or cold
4357         section and use the appropriate label.
4358         * except.c (output_function_exception_table): Change call to
4359         function_section into call to current_function_section.
4360         * final.c (profile_function): Likewise.
4361         (scan_ahead_for_unlikely_executed_note): Remove function.
4362         (final_scan_insn):  Remove calls to
4363         scan_ahead_for_unlikely_executed_note, and related code for switching
4364         to cold section, except for the single time
4365         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
4366         debug_hooks->switch_text_sections; replace appropriate calls to
4367         function_section with calls to current_function_section.
4368         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4369         test_bb to condition.
4370         (find_if_case_2): Likewise.
4371         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4372         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
4373         * opts.c (decode_options): Change warning about hot/cold partitioning
4374         with exceptionss to inform (so as not to cause bootstrap failures);
4375         remove warning about partitioning with DWARF debug info.
4376         * output.h (current_function_section): Add new function decl.
4377         (insert_section_boundary_note): Likewise.
4378         (enum in_section): Move this declaration here from varasm.c.
4379         (unlikely_section_label): Likewise.
4380         (unlikely_text_section_name): Likewise.
4381         (last_text_section_name): New global variable.
4382         (last_text_section): Likewise.
4383         (hot_section_label): Likewise.
4384         (hot_section_end_label): Likewise.
4385         (cold_section_end_label): Likewise.
4386         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4387         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4388         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4389         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4390         insn from consideration.
4391         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4392         switch_text_section.
4393         * varasm.c (basic-block.h): Add new include.
4394         (unlikely_section_label_printed): Remove global variable.
4395         (unlikely_section_label): Make global variable not be static any more.
4396         (unlikely_text_section_name): Likewise.
4397         (hot_section_end_label): New global variable (not static)
4398         (first_function_block_is_cold): Likewise.
4399         (hot_section_label): Likewise.
4400         (cold_section_end_label): Likewise..
4401         (last_text_section): New global variable, not static.
4402         (last_text_section_name): New global variable, not static.
4403         (initialize_cold_section_name): New function.
4404         (enum in_section): Move declaration to output.h.
4405         (text_section): Update last_text_section.
4406         (unlikely_text_section): Replace code to determine cold section name
4407         with call to initialize_cold_section_name; Add code to update
4408         last_text_section; remove code for printing out label.
4409         (named_section_real): Add code to update last_text_section and
4410         last_text_section_name as appropriate.
4411         (function_section): Change test for 'unlikely' to depend on
4412         first_function_block_is_cold (moved old test to
4413         current_function_section).
4414         (current_function_section): New function.
4415         (assemble_start_function): Move code that frees
4416         unlikely_text_section_name; initialize hot_section_end_label;
4417         print hot and cold section labels at the start of the function;
4418         set first_function_block_is_cold, if appropriate; initialize l
4419         ast_text_section; add call to insert_section_boundary_note.
4420         (assemble_end_function):  Add code to write out hot and cold section
4421         end labels.
4422         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4423         switch_text_section.
4424         * config/darwin.c (machopic_select_section): Replace incorrect
4425         function in base_funs; update reloc for cold sections if necessary.
4426         * config/darwin.h (SECTION_FUNCTION):  Add code to update
4427         last_text_section if appropriate.
4428         (text_unlikely_section): Remove.
4429         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4430         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4431         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4432         partitioning for this architecture.
4433
4434 2005-03-31  Olivier Hainque  <hainque@adacore.com>
4435
4436         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4437         defined and non-zero.
4438
4439 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4440
4441         PR c++/18644
4442         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4443         semantics.
4444
4445 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4446
4447         PR target/20611
4448         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4449         label operand.  Remove (use (unspec..)).  Don't emit a label on
4450         the offset word.
4451         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4452         generate inline label for load_toc_v4_PIC_1b.
4453         (rs6000_emit_load_toc_table): Likewise.
4454
4455 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4456
4457         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4458         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4459
4460 2005-03-29  Devang Patel  <dpatel@apple.com>
4461
4462         * tree-sra.c (decide_block_copy): Disable scalarization of
4463         sub-elements.
4464
4465 2005-03-30  Stuart Hastings  <stuart@apple.com>
4466             Dale Johannesen  <dalej@apple.com>
4467
4468         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
4469         * print-tree.c (print_node):  Add case STATEMENT_LIST.
4470
4471 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4472
4473         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4474         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
4475         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4476         is given with "powerpc64*" or "all", or when --with-cpu chooses
4477         a 64-bit cpu.
4478
4479 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
4480
4481         PR debug/20268
4482         * dwarf2out.c (add_high_low_attributes): New function, extracted from
4483         gen_lexical_block_die.
4484         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4485
4486 2005-03-31  Jan Hubicka  <jh@suse.cz>
4487
4488         2004-11-02  Jan Hubicka  <jh@suse.cz>
4489
4490         * cgraph.c (cgraph_varpool_node_name): New function.
4491         (dump_cgraph_varpool_node): New function.
4492         (dump_varpool): New function.
4493         * cgraphunit.c (cgraph_optimize): Dump varpool.
4494
4495         2004-10-16  Jan Hubicka  <jh@suse.cz>
4496
4497         * cgraph.c (decide_is_variable_needed): New function.
4498         (cgraph_varpool_finalize_decl): Use it.
4499         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4500         unit-at-a-time.
4501         * final.c (output_addr_const): Do not call mark_referenced.
4502         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4503         always go via cgraph.
4504         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4505         (check_global_declarations): Ifdef out code clearing DECL_RTL.
4506         * tree-optimize.c (execute_inline): Mark functions called.
4507         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4508
4509         2004-10-11  Jan Hubicka  <jh@suse.cz>
4510
4511         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4512         (cgraph_varpool_last_needed_node): New static variable.
4513         (enqueue_needed_varpool_node): Break out from ...; add items to the
4514         end of queue; update first pointers.
4515         (cgraph_varpool_mark_needed_node): ... here.
4516         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4517         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4518         * cgraph.h (cgraph_varpool_node): Add analyzed field.
4519         (cgraph_varpool_first_unanalyzed_node): Declare.
4520         * cgraphunit.c: Include output.h.
4521         (cgraph_varpool_analyze_pending_decls): New function.
4522         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4523         for errors, analyze pending decls.
4524         (cgraph_finalize_compilation_unit): Only analyze decls.
4525         (cgraph_optimize): Assemble the decls after expanding.
4526
4527 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
4528
4529         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4530         subvars get marked properly in tags for grouping.
4531         (add_pointed_to_var): Mark only actual pointed to
4532         variables/subvars in addresses needed.
4533         (create_overlap_variables_for): Clear call clobbered on original
4534         variable.
4535         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4536         addresable vars with subvars into list.
4537         * tree-ssa.c (verify_ssa_name): Verify original is not used where
4538         subvar should be.
4539
4540 2005-03-30  Richard Henderson  <rth@redhat.com>
4541
4542         * cgraph.h (struct cgraph_node): Add alias.
4543         * varasm.c (assemble_alias): Set it.
4544         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4545         avoid calling cgraph_expand_function.
4546
4547 2005-03-30  Tom Tromey  <tromey@redhat.com>
4548
4549         * tree.def (FILE_TYPE): Removed.
4550         * typeclass.h (enum type_class): Removed file_type_class.
4551         * dwarf2out.c (is_base_type): Updated.
4552         (gen_type_die): Likewise.
4553         * dbxout.c (dbxout_type): Updated.
4554         * builtins.c (type_to_class): Updated.
4555         * tree.c (type_contains_placeholder_1): Updated.
4556         * config/sparc/sparc.c (sparc_type_code): Updated.
4557         * config/ia64/ia64.c (hfa_element_mode): Updated.
4558         * expr.c (count_type_elements): Updated.
4559         * stor-layout.c (layout_type): Updated.
4560         * tree-inline.c (remap_type): Updated.
4561         * tree-pretty-print.c (dump_generic_node): Updated.
4562
4563 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4564
4565         * builtins.c (expand_builtin_powi): Fix mode of
4566         2nd argument to match int.
4567         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4568         2nd argument type to int.
4569         * libgcc2.c: Change prototype of __powi* functions to use
4570         int.
4571
4572 2005-03-30  Dale Johannesen  <dalej@apple.com>
4573
4574         PR middle-end/19225
4575         * calls.c (expand_call):  Flush pending deferrals before
4576         throwing call.
4577
4578 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4579
4580         PR c/772
4581         PR c/17913
4582         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4583         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
4584         c_label_context, label_context_stack): New.
4585         * c-decl.c (define_label): Check for jumps into statement
4586         expressions.  Add label to list of defined labels.
4587         (start_function): Push context on label_context_stack.
4588         (finish_function): Pop context from label_context_stack.
4589         * c-typeck.c (label_context_stack): New.
4590         (c_finish_goto_label): Check for jumps into statement
4591         expressions.  Add label to list of jumped to labels.
4592         (struct c_switch): Add blocked_stmt_expr.
4593         (c_start_case): Initialize it.
4594         (do_case): Check it.
4595         (c_finish_case): Verify !blocked_stmt_expr.
4596         (c_begin_stmt_expr):  Push context on label_context_stack.
4597         Increment blocked_stmt_expr.  Mark labels jumped to from outside
4598         as undefinable.
4599         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
4600         defined in the statement expression and no longer jumpable to.
4601         Mark labels jumped to from just outside the statement expression
4602         as again definable.  Pop context from label_context_stack.
4603         * doc/extend.texi (Statement Exprs): Update.
4604
4605 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4606
4607         PR c/20368
4608         * c-decl.c (start_function): Check for old_decl being
4609         error_mark_node.
4610
4611 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4612
4613         * final.c (final): Remove prescan parameter.  Change all callers.
4614         (final_scan_insn): Remove prescan parameter.  Change all callers.
4615
4616 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
4617
4618         * tree-vectorizer.c: Fix comment typos.
4619
4620 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
4621
4622         * tree-scalar-evolution.c (instantiate_parameters_1): Return
4623         as soon as a chrec_dont_know is detected.
4624
4625 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
4626
4627         Merge from csl-arm-branch.
4628         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
4629
4630         * tlink.c (recompile_files): Do not assume that "rename" can
4631         overwrite an existing file.
4632
4633 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
4634
4635         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
4636         * gcc/configure: Regenerate.
4637
4638 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4639
4640         * doc/install.texi: Update binutils requirement for powerpc*-linux.
4641
4642         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
4643
4644         * calls.c (struct arg_data): Update "partial" comment.
4645         (load_register_parameters): Update "nregs" comment.
4646
4647 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4648
4649         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
4650         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
4651         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
4652         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
4653         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
4654         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
4655         than target_flags & 0.
4656         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
4657         (iq2000_arch, iq2000_parse_cpu): Delete.
4658         (TARGET_HANDLE_OPTION): Override default.
4659         (iq2000_handle_option): New function.
4660         (override_options): Remove -march= and -mcpu= handling.
4661         * config/iq2000/iq2000.opt: New file.
4662
4663 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4664
4665         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
4666         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
4667         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
4668         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
4669         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
4670         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
4671         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
4672         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
4673         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
4674         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
4675         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
4676         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
4677         (c4x_rpts_cycles_string, c4x_cpu_version_string)
4678         (TARGET_OPTIONS): Delete.
4679         (c4x_rpts_cycles, c4x_cpu_version): Declare.
4680         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
4681         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
4682         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
4683         (c4x_cpu_version_string): Delete.
4684         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4685         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
4686         equivalent -mcpu= option.
4687         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
4688         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
4689         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
4690         or clearing the appropriate MASK_* bit.
4691         (c4x_file_start): Use c4x_cpu_version.
4692         * config/c4x/c4x.opt: New file.
4693
4694 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4695
4696         * doc/options.texi: Document the new MaskExists flag.
4697         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
4698         if the option has the MaskExists flag.
4699
4700 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
4701
4702         * opt-functions.awk (flag_set_p, test_flag): New functions.
4703         (switch_flags): Use them.
4704         * opth-gen.awk: Use flag_set_p to check for flags.
4705         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
4706
4707 2005-03-30  Ian Lance Taylor  <ian@airs.com>
4708
4709         * config.host (i[34567]86-*-mingw32*): Don't set
4710         host_can_use_collect2 to no.
4711
4712 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
4713
4714         PR target/20203
4715         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
4716         Remove convert_memory_address call duplicating that in memory_address.
4717
4718 2005-03-29  Richard Henderson  <rth@redhat.com>
4719
4720         PR c/20519
4721         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
4722         (build_compound_literal): Likewise.  Propagate decl type into the
4723         initializer.
4724         (finish_decl): Likewise.  Use new return value from complete_array_type
4725         for zero sized arrays.
4726         (complete_array_type): Move ...
4727         * c-common.c (complete_array_type): ... here.  Change first argument
4728         to pointer-to-type-node.  Consistently use sizetype for the index
4729         except for zero sized arrays.  Detect zero sized arrays for pedantic
4730         mode diagnostics.  Create a new type node instead of modifying the
4731         old node in place.
4732         * c-tree.h (complete_array_type): Move decl ...
4733         * c-common.h (complete_array_type): ... here.
4734
4735 2005-03-29  Richard Henderson  <rth@redhat.com>
4736
4737         PR tree-opt/19108
4738         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
4739
4740 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
4741
4742         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
4743         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
4744         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
4745         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
4746
4747 2005-03-29  Eric Christopher  <echristo@redhat.com>
4748
4749         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
4750         truthvalue conversion removal.
4751
4752 2005-03-29  Ian Lance Taylor  <ian@airs.com>
4753
4754         PR bootstrap/14316
4755         * collect2.c: Never include <vfork.h>.
4756         (VFORK_STRING, vfork): Don't define.
4757         (pid): Remove global variable.
4758         (handler): Call raise instead of kill (getpid(), ...).
4759         (collect_wait): Add pex parameter.  Change all callers.  Use
4760         pex_get_status rather than pwait.
4761         (do_wait): Add pex parameter.  Change all callers.
4762         (collect_execute): Return struct pex_obj * rather than void.  Use
4763         pex routines rather than pexecute.
4764         (fork_execute): Get pex_obj from collect_execute, and pass it to
4765         do_wait.
4766         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
4767         Only declare quit_handler if SIGQUIT is defined.
4768         (scan_libraries): Likewise.
4769         * collect2.h (collect_execute): Update declaration.
4770         (collect_wait): Update declaration.
4771         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
4772         pass it to collect_wait.
4773
4774 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
4775
4776         PR c/20672
4777         * c-parser.c (c_parser_compound_statement_nostart): Give error
4778         message for EOF instead of just setting parser->error.
4779
4780 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
4781
4782         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
4783         (slpeel_update_phi_nodes_for_guard1): New function.
4784         (slpeel_update_phi_nodes_for_guard2): New function.
4785         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
4786         of slpeel_update_phi_nodes_for_guard.
4787         (vectorize_loops): Remove call to loop_closed_rewrite.
4788         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
4789         assertion.
4790
4791 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
4792
4793         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
4794         (TARGET_LITTLE_ENDIAN): New macro.
4795         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
4796         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
4797         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
4798         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
4799         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
4800         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
4801         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
4802         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
4803         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
4804         (TARGET_OPTIONS): Delete.
4805         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
4806         (CACHE_FLUSH_TRAP): Turn into an integer.
4807         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
4808         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
4809         -mflush-trap is in use.
4810         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
4811         (m32r_cache_flush_trap_string): Delete.
4812         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
4813         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
4814         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
4815         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4816         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
4817         -mmodel= and -msdata= handling from...
4818         (m32r_init): ...here.
4819         * config/m32r/m32r.opt: New file.
4820
4821 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
4822
4823         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
4824         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
4825         * tree-vect-analyze.c (vect_object_analysis): additional parm
4826         pass back a "struct ptr_info_def *" with the points-to info.
4827         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
4828         statement using info returned from vect_object_analysis.
4829         * tree-vect-transform.c (update_vuses_to_preheader): New function.
4830         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
4831         for virtual uses and defs when creating a replacement vector
4832         reference.  Call duplicate_ssa_name_ptr_info to define points-to
4833         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
4834         (vectorizable_store): copy_virtual_operands and update
4835         definition statements.
4836         (vectorizable_load): copy_virtual_operands.  Remove call to
4837         mark_call_clobbered_vars_to_rename for call to "const" builtin.
4838         * tree-vectorizer.c (vectorize_loops): Remove calls to
4839         rewrite_into_ssa and bitmap_clear (vars_to_rename).
4840         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
4841         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
4842         define macro STMT_VINFO_PTR_INFO for use in accessing.
4843         * tree.h add export of duplicate_ssa_name_ptr_info.
4844         * rs6000.c (altivec_init_builtins): Declare builtin function
4845         __builtin_altivec_mask_for_load to be "const".
4846
4847 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
4848
4849         PR middle-end/20622
4850         * cgraph.h (struct cgraph_varpool_node): Add alias field.
4851         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
4852         assemble_variable on aliases.
4853         * varasm.c (assemble_alias): Set node->alias.
4854         * toplev.c (wrapup_global_declarations): Don't call
4855         rest_of_decl_compilation on aliases again.
4856
4857 2005-03-29  Paul Brook  <paul@codesourcery.com>
4858
4859         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
4860         * config/arm/arm.c (arm_dbx_register_number): New function.
4861         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
4862
4863 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
4864
4865         PR middle-end/20263
4866         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
4867         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
4868
4869 2005-03-29  Dale Johannesen <dalej@apple.com>
4870
4871         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
4872         $(TREE_H) and $(COVERAGE_H).
4873         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
4874         * opts.c (common_handle_option): Enable tree-based value transforms.
4875         * toplev.c (process_options): Ditto.
4876         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
4877         refers to references to this type.
4878         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
4879         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
4880         for may_be_more, may_be_less.
4881         (rtl_gen_pow2_profiler): Adjust.
4882         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
4883         (rtl_gen_one_value_profiler): Adjust.
4884         (rtl_gen_const_delta_profiler): Adjust.
4885         * tree-profile.c (tree_gen_interval_profiler): Implement.
4886         (tree_gen_pow2_profiler): Ditto.
4887         (tree_gen_one_value_profiler): Ditto.
4888         (tree_profiling): New.
4889         (pass_tree_profile): Reference it.
4890         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
4891         tree.h, gcov-io.h.
4892         (insn_divmod_values_to_profile): Rename to
4893         rtl_divmod_values_to_profile. Adjust.
4894         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
4895         (insn_prefetch_values_to_profile): Adjust.
4896         (rtl_value_profile_transformations): Adjust.
4897         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
4898         (gen_mod_pow2): Rename to rtl_mod_pow2.
4899         (gen_mod_subtract): Rename to rtl_mod_subtract.
4900         (divmod_fixed_value_transform): Rename to
4901         rtl_divmod_fixed_value_transform.
4902         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
4903         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
4904         (rtl_find_values_to_profile): Adjust.
4905         (tree_value_profile_transformations): Implement.
4906         (tree_divmod_values_to_profile): New.
4907         (tree_values_to_profile): New.
4908         (tree_divmod_fixed_value): New.
4909         (tree_mod_pow2): New.
4910         (tree_mod_subtract): New.
4911         (tree_divmod_fixed_value_transform): New.
4912         (tree_mod_pow2_value_transform): New.
4913         (tree_mod_subtract_transform): New.
4914         (tree_find_values_to_profile): Implement.
4915         * profile.c (instrument_values):  Free histograms.
4916         (compute_value_histograms): Adjust. Implement tree version.
4917
4918 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
4919
4920         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
4921         * config/i386/i386.c (output_fix_trunc): Add new round_mode
4922         variable.  Output "fldcw" depending on round_mode.
4923         * config/i386/i386.md (UNSPEC_FIST): New.
4924         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
4925         New isns patterns to implement lrint and llrint built-ins as x87
4926         intrinsic function.
4927         (fistdi2, fist<mode>2 splitters): New splitters.
4928         (lrint<mode>2): New expanders.
4929
4930 2005-03-28  Ian Lance Taylor  <ian@airs.com>
4931
4932         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
4933         0 when calling final_scan_insn.
4934
4935 2005-03-28  Jan Hubicka  <jh@suse.cz>
4936
4937         PR middle-end/20635
4938         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
4939         as needed.
4940
4941         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
4942         types where possible.
4943
4944 2005-03-26  Per Bothner  <per@bothner.com>
4945
4946         Make -f[no-]show-column also control non-cpp diagnostics.
4947         * c.opt (fshow-column): Move option from here ...
4948         * common.opt (fshow-column): ... to here.
4949         * diagnostic.c (diagnostic_build_prefix): Only print column number
4950         if flag_show_column.
4951
4952 2005-03-27  Steven Bosscher  <stevenb@suse.de>
4953
4954         * vax-protos.h (vax_output_int_move, vax_output_int_add,
4955         vax_output_conditional_branch): New prototypes.
4956         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
4957         extracted from vax.md mov and add patterns.
4958         (vax_output_conditional_branch): New function to output conditional
4959         branch instructions.
4960         * vax.md: Use mode macros for arithmetic and mov patterns.
4961         Use code macros for the jump patterns.
4962
4963 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
4964
4965         * Makefile.in (libbackend.o): Depend on version files;
4966         add custom generation command.
4967
4968 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
4969
4970         PR target/20636
4971         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
4972         sure that we have a REG before getting its REGNO.
4973
4974 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4975
4976         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
4977         * builtins.def (BUILT_IN_STRNDUP): New.
4978
4979 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
4980
4981         PR tree-optimization/20470
4982         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
4983         ABS(x-y).
4984
4985 2005-03-25  Mike Stump  <mrs@apple.com>
4986
4987         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
4988         sized objects.
4989
4990 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
4991
4992         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
4993         Use our own structure definitions.
4994
4995         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
4996         (fix_truncdfsi2): Allow registers or memory as destination.
4997         When TARGET_PPC_GFXOPT, generate simplified pattern.
4998         (fix_truncdfsi2_internal): Use define_insn_and_split.
4999         (fix_truncdfsi2_internal_gfxopt): New.
5000         (fctiwz): Don't confuse register allocation by giving it no choices.
5001         (stfiwx): New.
5002         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5003         (EXTRA_MEMORY_CONSTRAINT): Likewise.
5004         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5005         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5006
5007 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5008
5009         * dominance.c (free_dominance_info): Speed up by freeing et
5010         data structures without maintaining other nodes.
5011         * et-forest.c (et_free_tree_force): New.
5012         * et-forest.h: Add a prototype for et_free_tree_force.
5013
5014         * tree.c (get_set_constructor_bits,
5015         get_set_constructor_bytes): Remove.
5016         * tree.h: Remove the corresponding prototypes.
5017
5018 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5019
5020         PR target/15491
5021         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5022         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
5023         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
5024         PRE_DEC, NEG and NOT.
5025
5026 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5027
5028         * fold-const.c: Convert uses of fold (build (...)) to
5029         fold_buildN.
5030
5031 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
5032
5033         PR rtl-optimization/20249
5034         * cse.c (insert_regs): Do not record equivalence of registers in
5035         different modes.
5036
5037 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5038
5039         * emit-rtl.c (reverse_comparison): Remove.
5040         * rtl.h: Remove the corresponding prototype.
5041
5042 2005-03-24  James E Wilson  <wilson@specifixinc.com>
5043
5044         * doc/install.texi (--enable-altivec): Delete docs.
5045
5046 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
5047
5048         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5049         SFmode and DFmode before reload when
5050         flag_unsafe_math_optimizations not enabled.
5051
5052 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
5053
5054         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5055
5056         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5057         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5058
5059 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5060
5061         * configure.ac (enable-checking): Add 'runtime' option.
5062         * doc/install.texi (enable-checking): Document 'runtime' checking.
5063         * tsystem.h (gcc_assert, gcc_unreachable): Define.
5064         * config.in: Regenerated.
5065         * configure: Regenerated.
5066
5067 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
5068
5069         * optabs.h (enum optab_index): Remove OTI_llrint.
5070         (llrint_optab): Remove macro.
5071         * optabs.c (init_optabs): Remove llrint_optab initialization.
5072         * genopinit.c (optabs): Remove llrint_optab implementation.
5073         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5074         using lrint_optab.
5075
5076 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
5077
5078         PR rtl-optimization/20532
5079         * simplify-rtx.c (simplify_binary_operation_1): Protect from
5080         overflow when adding coefficients for PLUS or MINUS.
5081         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5082         two as multiplier.
5083
5084 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5085
5086         * langhooks.h (truthvalue_conversion): Remove.
5087         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5088         LANG_HOOKS_TRUTHVALUE_CONVERSION.
5089         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5090         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5091         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5092
5093 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5094
5095         * params.def: Fix a typo.
5096         * config/mips/mips.c: Follow the spelling convensions.
5097         * doc/invoke.texi: Fix typos.
5098
5099 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
5100
5101         Fix PR tree-optimization/20601
5102
5103         * tree-ssa-pre.c (insert_aux): Add missing condition to
5104         constification.
5105
5106 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5107
5108         * final.c (final_scan_insn): Don't remove no-op instructions.
5109         * reload1.c (reload): Remove simple no-op instructions even when
5110         not optimizing.
5111
5112 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
5113
5114         PR tree-optimization/20501
5115         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5116         reporting that peeling for alignment is applied moved to...
5117         * (vect_analyze_data_refs_alignment): Here.
5118
5119 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5120
5121         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5122
5123 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5124
5125         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5126         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5127
5128 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
5129
5130         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5131         imply that this is called once, independent of asms in code.
5132         Adjust to now being pased output and input lists.  Mention helper
5133         function decl_overlaps_hard_reg_set_p.
5134         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5135         hook_tree_tree_identity and to take three trees, returning third.
5136         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5137         prototype.
5138         * stmt.c: include hard-reg-set.h before tree.h.
5139         (decl_overlaps_hard_reg_set_p): New function, broken out from...
5140         (decl_conflicts_with_clobbers_p): Call
5141         decl_overlaps_hard_reg_set_p.
5142         (expand_asm_operands): Pass output and input lists in call to
5143         targetm.md_asm_clobbers.
5144         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5145         hook_tree_tree_tree_tree_3rd_identity.
5146         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5147         parameters.
5148         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5149         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5150         parameters, first two unused.
5151         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5152         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
5153         in constraint letters and MOF is not mentioned as a asm-declared
5154         register in neither of the input and output lists.
5155
5156 2005-03-23  DJ Delorie  <dj@redhat.com>
5157
5158         * optabs.c (expand_binop): Make sure the first subword's result
5159         gets stored.
5160
5161 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5162
5163         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5164         Call c_common_truthvalue_conversion rather than
5165         lang_hooks.truthvalue_conversion.
5166         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5167         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5168         c-typeck.c.
5169         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5170         c_common_truthvalue_conversion.
5171         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5172         c_parser_conditional_expression, c_parser_binary_expression): Call
5173         c_objc_common_truthvalue_conversion.
5174         * c-typeck.c (build_unary_op): Call
5175         c_objc_common_truthvalue_conversion.
5176         (build_conditional_expr): Do not call
5177         lang_hooks.truthvalue_conversion.
5178         (build_binary_op): Call c_common_truthvalue_conversion.
5179         (c_objc_common_truthvalue_conversion): Moved from
5180         c-objc-common.c.  Call default_function_array_conversion instead
5181         of default_conversion.
5182
5183 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5184
5185         * c-common.h (default_conversion): Remove.
5186         (perform_integral_promotions): Add.
5187         * c-tree.h (default_conversion): Add.
5188         * c-typeck.c (perform_integral_promotions): New, split out from
5189         default_conversion.
5190         * c-common.c (check_case_value): Use perform_integral_promotions,
5191         not default_conversion.
5192         (c_add_case_label): Don't continue processing case label after
5193         found to be pointer.
5194
5195 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
5196
5197         * gcc.c (do_spec_1): Do not add a -L path for a directory in
5198         the prefix list if we have already added a multilib directory
5199         based on that path.
5200         (main): Do not add MD_EXEC_PREFIX to the list of directories to
5201         search with -L.
5202
5203 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5204
5205         * reload1.c (indirect_symref_ok, reload_obstack): Make them
5206         static.
5207         * reload.h: Remove the prototype for indirect_symref_ok.
5208
5209         * reload1.c (indirect_symref_ok): Make it global.
5210         * reload.h: Add a prototype for indirect_symref_ok.
5211
5212 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5213
5214         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5215         ashlhi3 expander.
5216
5217 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5218
5219         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5220
5221 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
5222
5223         * c-opts.c (c_common_parse_file): Only start/end main source file
5224         if debug hooks says the writer wants it.
5225         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5226         member.
5227         (xcoff_debug_hooks): Ditto.
5228         * debug.c (do_nothing_hooks): Ditto.
5229         * debug.h (gcc_debug_hooks): Ditto.
5230         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5231         * sdbout.c (sdb_debug_hooks): Ditto.
5232         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5233
5234 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
5235
5236         * doc/extend.texi: Deprecate C++ min/max operators.
5237
5238 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
5239
5240         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5241         artificial original candidates.
5242
5243 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5244             Jan Hubicka  <jh@suse.cz>
5245             Steven Bosscher <stevenb@suse.de>
5246
5247         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5248         call cost based on argument sizes.
5249         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5250         inlining.
5251         * params.def: (max-inline-inssn-single): Set to 450.
5252         (max-inline-insns-auto): Set to 90.
5253         (max-inline-insns-recursive): Set to 450
5254         (max-inline-insns-recursive-auto): Set to 450.
5255         (large-function-insns): Set to 2700.
5256         (inline-call-cost): New parameter.
5257         * tree-inline.c (estimate_move_cost): New function.
5258         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5259         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
5260         based on arguments.
5261         * tree-inline.h (estimate_move_cost): Declare.
5262         * invoke.texi: (max-inline-inssn-single): Change default to 450.
5263         (max-inline-insns-auto): Change default to 90.
5264         (max-inline-insns-recursive): Change default to 450
5265         (max-inline-insns-recursive-auto): Change default to 450.
5266         (large-function-insns): Change default to 2700.
5267         (inline-call-cost): Document new parameter.
5268
5269 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5270
5271         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5272         (TARGET_DEFAULT): Delete.
5273         * config/i860/i860.opt: New file.
5274
5275 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5276
5277         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5278         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5279         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5280         (frv_sched_lookahead): Delete.
5281         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5282         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5283         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5284         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
5285         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5286         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5287         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5288         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5289         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5290         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5291         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5292         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5293         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5294         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5295         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5296         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5297         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5298         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5299         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5300         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5301         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5302         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5303         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5304         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5305         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5306         (frv_sched_lookahead): Delete.
5307         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5308         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5309         (frv_handle_option): New function.  Move -mcpu= handling from...
5310         (frv_override_options): ...here.  Remove handling of other
5311         TARGET_OPTIONS.
5312         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5313         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5314         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5315         and TARGET_NO_MULTI_CE.
5316         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5317         !TARGET_VLIW_BRANCH.
5318         * config/frv/frv.opt: New file.
5319
5320 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5321
5322         * fold-const.c (fold_ternary): Take decomposed arguments of
5323         CALL_EXPR.
5324         (fold): Update a call to fold_ternary.
5325
5326         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5327         * tree.h: Add corresponding prototypes.
5328
5329 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
5330
5331         PR target/20561
5332         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5333         between jump table and its label.
5334         * final.c (shorten_branches): Handle notes in between ADDR_VEC
5335         resp. ADDR_DIFF_VEC and the label preceeding it.
5336         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5337         is emitted in the right section.
5338
5339 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5340
5341         * fold-const.c (fold_unary, fold_binary): Update comments
5342         about arguments.
5343
5344 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
5345
5346         PR rtl-optimization/20527
5347         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5348         REG_INC note, test that the register also isn't mentioned in PRED
5349         or SUCC.
5350
5351 2005-03-22  Ben Elliston  <bje@au.ibm.com>
5352
5353         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5354         and definition.
5355
5356 2005-03-21  Mike Stump  <mrs@apple.com>
5357
5358         * varasm.c (default_assemble_visibility): Remove extra ().
5359
5360 2005-03-21  Roger Sayle  <roger@eyesopen.com>
5361
5362         PR middle-end/20557
5363         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5364         to determine whether a block can be duplicated, rather than test
5365         whether the block contains noncopyable insns ourselves.
5366
5367 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5368
5369         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5370         predicates.
5371
5372 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5373
5374         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5375
5376 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5377
5378         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5379         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5380         * config/fr30/fr30.opt: New file.
5381
5382 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
5383
5384         Fix PR tree-optimization/20542
5385
5386         * tree-flow-inline.h (overlap_subvar): Move to here.
5387         * tree-ssa-operands.c: From here.
5388         * tree-flow.h (overlap_subvar): Declare.
5389         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5390         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5391         for variables with subvars.
5392
5393 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5394
5395         PR middle-end/20177
5396         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5397         * modulo-sched.c (const_iteration_count): Return on NULL
5398         pre-header.
5399         (print_node_sched_params): Return on NULL dump_file.
5400         (generate_reg_moves): Handle reg-anti dependencies and disregard
5401         closing branch when generating register moves.
5402         (sms_schedule): Mark the SMSed block dirty.
5403         * passes.c (rest_of_handle_sms): Call update_life_info for all
5404         basic-blocks.
5405         * testsuite/gcc.dg/20050321-1.c: New test.
5406
5407 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5408
5409         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5410         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5411         movqi_internal): Likewise.
5412
5413 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5414
5415         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5416         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5417         xtensa_b4const): Delete prototypes.
5418         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5419         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5420         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5421         xtensa_extra_constraint): New prototypes.
5422         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5423         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5424         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5425         move_operand, const_float_1_operand, fpmem_offset_operand,
5426         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5427         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5428         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
5429         argument type to HOST_WIDE_INT.
5430         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5431         xtensa_mask_immediate): Likewise.
5432         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5433         Likewise.  Also make these functions static.
5434         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5435         (xtensa_const_ok_for_letter_p): New.
5436         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5437         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5438         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5439         move_operand, const_float_1_operand, fpmem_offset_operand,
5440         branch_operator, ubranch_operator, boolean_operator): Move to
5441         predicates.md.
5442         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5443         (xtensa_mem_offset): Change return type to bool.
5444         (xtensa_extra_constraint): New.
5445         (gen_int_relational): Update type of const_range_p function pointer.
5446         Use xtensa_b4const_or_zero.
5447         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5448         xtensa_const_ok_for_letter_p.  Update comments.
5449         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5450         (PREDICATE_CODES): Delete.
5451         * config/xtensa/xtensa.md: Include predicates.md.
5452         * config/xtensa/predicates.md: New file.
5453
5454 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5455
5456         * config/v850/v850-protos.h: Remove the prototypes for
5457         reg_or_int9_operand, reg_or_const_operand,
5458         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5459         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5460         movsi_source_operand, power_of_two_operand,
5461         not_power_of_two_operand, special_symbolref_operand,
5462         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5463         register_is_ok_for_epilogue.
5464         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5465         reg_or_int9_operand, reg_or_const_operand,
5466         call_address_operand, special_symbolref_operand,
5467         movsi_source_operand, power_of_two_operand,
5468         not_power_of_two_operand, register_is_ok_for_epilogue,
5469         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5470         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5471         predicates.md.
5472         * config/v850/v850.h (PREDICATE_CODES): Remove.
5473         * config/v850/v850.md: Include predicates.md.
5474         * config/v850/predicates.md: New.
5475
5476 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
5477
5478         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5479         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5480         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5481         (itoolsdir, itoolsdatadir): Move definition above new first use.
5482         (install-itoolsdirs): New rule.
5483         (install-mkheaders): Depend on install-itoolsdirs, not
5484         install-include-dir.
5485
5486 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5487
5488         * tree-into-ssa.c: Remove obsolete comments.
5489
5490 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
5491
5492         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5493         unrolling if -fpeel-loops is specified, too.
5494         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5495         Remove superfluous check for flag_unroll_loops.
5496
5497 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
5498
5499         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5500         (lrint_optab, llrint_optab): Define corresponding macros.
5501         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5502         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5503         pattern and llrint_optab using llrintdi2 patterns.
5504         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5505         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5506         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5507         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5508         flag_unsafe_math_optimizations is set.
5509
5510 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5511
5512         * combine.c (combine_simplify_rtx, simplify_if_then_else,
5513         simplify_logical, if_then_else_cond, known_cond,
5514         simplify_comparison): Adjust calls to reverse_comparison.
5515         Don't use combine_reversed_comparison_code).
5516         (combine_reversed_comparison_code): Remove.
5517         (reversed_comparison): Using reversed_comparison_code, move it...
5518         * jump.c (reversed_comparison): ... here.
5519         * rtl.h (reversed_comparison): Add prototype.
5520
5521 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5522
5523         * builtins.c (fold_builtin): Take decomposed arguments of
5524         CALL_EXPR.
5525         * fold-const.c (fold_ternary): Update a call to fold_builtin.
5526         * gimplify.c (gimplify_call_expr): Likewise.
5527         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5528         * tree.h: Update the prototype of fold_builtin.
5529
5530 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5531
5532         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5533         * rtlhooks.c (gen_lowpart_no_emit_general): New.
5534         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5535         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5536         * simplify-rtx.c (simplify_binary_operation_1): Use it.
5537
5538 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5539
5540         * builtins.c (fold_builtin_1): Take decomposed arguments of
5541         CALL_EXPR.
5542         (fold_builtin): Update a call to fold_builtin_1.
5543
5544 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
5545
5546         PR other/20564
5547         * gcov.c (output_lines): Only output function block summary when
5548         outputting branch information.
5549         * doc/gcov.texi: Document format of preamble and additional block
5550         information lines.
5551
5552 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5553
5554         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5555         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5556         the defaults false if BITS_PER_UNIT != 8.
5557         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5558         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5559         than BITS_PER_UNIT != 8.
5560         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5561         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5562         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5563         #undefs.
5564         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5565         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5566
5567 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5568
5569         PR middle-end/20539
5570         * fold-const.c (fold_binary): Fix type mismatch between
5571         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5572         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5573         for non-truth-valued expressions.
5574
5575         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5576         and FUNCTION_DECL in the main switch.
5577         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5578         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5579         we also need to convert their operands to match.
5580         <TRUTH_NOT_EXPR>: Likewise.
5581
5582 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
5583
5584         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
5585         diagnostic without checking whether an lvalue.
5586         * c-common.h (lvalue_p): Remove.
5587         (enum lvalue_use): Update comment.
5588         (lvalue_or_else): Replace by lvalue_error.
5589         * c-typeck.c (lvalue_p): Make static.
5590         (lvalue_or_else): New.  Call lvalue_error.
5591
5592 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
5593
5594         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
5595         (function_arg_advance): Use rs6000_parm_start.
5596         (function_arg, rs6000_arg_partial_bytes): Likewise.
5597
5598 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5599
5600         * c-common.c (check_case_value): Adjust comment about stripping
5601         NOPs.
5602         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
5603         * c-typeck.c (default_conversion, convert_arguments,
5604         build_modify_expr, convert_for_assignment, store_init_value,
5605         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
5606         manually.  Remove inaccurate comments.
5607
5608 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5609             Joseph S. Myers  <joseph@codesourcery.com>
5610
5611         * varasm.c (do_assemble_alias): Restore comment describing function.
5612         Annotate the target parameter as potentially unused.
5613
5614 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5615
5616         PR target/18551
5617         * config/avr/avr.c (avr_output_function_prologue): Do not use
5618         current_function_name() in a label, use a local label instead.
5619
5620 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
5621
5622         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
5623         flag_finite_math_only, not flag_unsafe_math_optimizations.
5624
5625 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5626
5627         * builtins.c (fold_builtin_1): Update a call to
5628         targetm.fold_builtin.
5629         * hooks.c (hook_tree_tree_bool_null): Rename to
5630         hook_tree_tree_tree_bool_null.  Take one more argument of type
5631         tree.
5632         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
5633         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
5634         hook_tree_tree_tree_bool_null.
5635         * target.h (gcc_target): Update the prototype of fold_builtin.
5636         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
5637         arguments of CALL_EXPR.
5638         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
5639         new prototype.
5640
5641 2005-03-20  Jan Hubicka  <jh@suse.cz>
5642
5643         * cgraph.h (cgraph_node): Add prev_clone pointer.
5644         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
5645         (cgraph_clone_node): Produce doubly linked chain.
5646
5647 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5648
5649         * c-common.c (handle_aligned_attribute, check_function_sentinel,
5650         get_nonnull_operand, handle_sentinel_attribute,
5651         check_function_arguments_recurse): Do not strip NOPS from
5652         INTEGER_CSTs.
5653         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
5654         Likewise.
5655         * c-format.c (get_constant): Likewise.
5656         * c-parser.c (c_parser_postfix_expression): Likewise.
5657         * c-typeck.c (set_init_index): Likewise.
5658         (convert_arguments): Don't check for NOP_EXPR containing integer
5659         constant.
5660
5661 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
5662
5663         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
5664         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
5665         Take decomposed arguments of CALL_EXPR.
5666         (fold_builtin_1): Update calls to the functions mentioned
5667         above.
5668
5669 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
5670
5671         * c-decl.c (check_bitfield_type_and_width): Require bit-field
5672         width to have integer type.
5673         (build_enumerator): Require enumerator value to have integer type.
5674
5675 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5676
5677         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
5678         to __builtin_inff.
5679
5680 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5681
5682         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
5683         std=iso9899:199x): Correct descriptions.
5684
5685 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
5686
5687         * config.gcc: Consistently use solaris2.1[0-9]* instead of
5688         solaris2.1[0-9].
5689
5690 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
5691
5692         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
5693         of CALL_EXPR.
5694         (expand_builtin_memcpy, fold_builtin_1): Update calls to
5695         fold_builtin_memcpy.
5696
5697         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
5698         arguments of CALL_EXPR.
5699         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
5700         fold_builtin_found, fold_builtin_1): Update calls to
5701         fold_trunc_transparent_mathfn.
5702
5703 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5704
5705         PR middle-end/20493
5706         * fold-const.c (fold_widened_comparison): Don't optimize casts of
5707         function pointers on targets that require function pointer
5708         canonicalization.
5709         (fold_sign_changed_comparison): Likewise.
5710
5711 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
5712
5713         * combine.c (try_combine): When changing the mode of a hard reg, make
5714         sure that doing so is valid.
5715
5716 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
5717
5718         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
5719         (TARGET_HANDLE_OPTION): Override default.
5720         (avr_handle_option): New function.
5721         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
5722         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
5723         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
5724         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
5725         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
5726         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
5727         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
5728         (TARGET_OPTIONS): Delete.
5729         * config/avr/avr.opt: New file.
5730
5731 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5732
5733         * config/m32r/m32r-protos.h: Remove the prototypes for
5734         call_address_operand, symbolic_operand, seth_add3_operand,
5735         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5736         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5737         two_insn_const_operand, move_src_operand,
5738         move_double_src_operand, move_dest_operand,
5739         eqne_comparison_operator, signed_comparison_operator,
5740         large_insn_p, conditional_move_operand, carry_compare_operand,
5741         m32r_block_immediate_operand, extend_operand,
5742         reg_or_eq_int16_operand, int8_operand, and
5743         reg_or_zero_operand.
5744         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5745         seth_add3_operand, int8_operand, cmp_int16_operand,
5746         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5747         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5748         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5749         move_double_src_operand, move_dest_operand,
5750         eqne_comparison_operator, signed_comparison_operator,
5751         extend_operand, small_insn_p, large_insn_p,
5752         conditional_move_operand, carry_compare_operand,
5753         m32r_block_immediate_operand): Move to predicates.md.
5754         (MAX_MOVE_BYTES): Move to m32r.h.
5755         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5756         * config/m32r/m32r.md: Include predicates.md.
5757         * config/m32r/predicates.md: New.
5758
5759 2005-03-18  James E Wilson  <wilson@specifixinc.com>
5760
5761         PR c++/19769
5762         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
5763         origin.
5764
5765 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5766
5767         * config/mn10300/mn10300-protos.h: Remove the prototypes for
5768         call_address_operand, const_8bit_operand.
5769         * config/mn10300/mn10300.c (call_address_operand,
5770         const_8bit_operand, const_1f_operand): Move to predicates.md.
5771         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
5772         * config/mn10300/mn10300.md: Include predicates.md.
5773         * config/mn10300/predicates.md: New.
5774
5775 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
5776
5777         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
5778         declarations in diagnostics and %E for identifiers, not %s.
5779
5780 2005-03-18  Jan Hubicka  <jh@suse.cz>
5781             Dale Johannesen  <dalej@apple.com>
5782
5783         * basic-block.h (scale_bbs_frequencies_int,
5784         scale_bbs_frequencies_gcov_type): Declare.
5785         * cfg.c (RDIV): New macro.
5786         (update_bb_frequency_for_threading): Fix.
5787         * basic-block.h (scale_bbs_frequencies_int,
5788         scale_bbs_frequencies_gcov_type): New.
5789         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
5790         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
5791         scale_bbs_frequencies_int.
5792         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
5793
5794 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5795
5796         * config/m32r/m32r-protos.h: Remove the prototypes for
5797         call_address_operand, symbolic_operand, seth_add3_operand,
5798         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
5799         reg_or_uint16_operand, reg_or_cmp_int16_operand,
5800         two_insn_const_operand, move_src_operand,
5801         move_double_src_operand, move_dest_operand,
5802         eqne_comparison_operator, signed_comparison_operator,
5803         large_insn_p, conditional_move_operand, carry_compare_operand,
5804         m32r_block_immediate_operand, extend_operand,
5805         reg_or_eq_int16_operand, int8_operand, and
5806         reg_or_zero_operand.
5807         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
5808         seth_add3_operand, int8_operand, cmp_int16_operand,
5809         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
5810         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
5811         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
5812         move_double_src_operand, move_dest_operand,
5813         eqne_comparison_operator, signed_comparison_operator,
5814         extend_operand, small_insn_p, large_insn_p,
5815         conditional_move_operand, carry_compare_operand,
5816         m32r_block_immediate_operand): Move to predicates.md.
5817         (MAX_MOVE_BYTES): Move to m32r.h.
5818         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
5819         * config/m32r/m32r.md: Include predicates.md.
5820         * config/m32r/predicates.md: New.
5821
5822         * config/pa/pa-protos.h: Add prototypes for magic_milli and
5823         shadd_constant_p.
5824         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
5825         symbolic_operand, symbolic_memory_operand,
5826         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
5827         indexed_memory_operand, move_dest_operand, move_src_operand,
5828         prefetch_cc_operand, prefetch_nocc_operand,
5829         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
5830         arith_operand, arith11_operand, pre_cint_operand,
5831         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
5832         ireg_operand, int5_operand, uint5_operand, int11_operand,
5833         uint32_operand, arith5_operand, and_operand, ior_operand,
5834         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
5835         pc_or_label_operand, div_operand, plus_xor_ior_operator,
5836         shadd_operand, movb_comparison_operator,
5837         cmpib_comparison_operator): Move to predicates.md.
5838         (magic_milli, shadd_constant_p): Make it extern.
5839         * config/pa/pa.h (PREDICATE_CODES): Remove.
5840         * config/pa/pa.md: Include predicates.md.
5841         * config/pa/predicates.md: New.
5842
5843         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
5844         predicate.
5845
5846 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5847
5848         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
5849         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
5850         config/alpha/freebsd.h, config/alpha/linux.h,
5851         config/alpha/netbsd.h, config/alpha/osf5.h,
5852         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
5853         config/h8300/h8300-protos.h, config/h8300/h8300.c,
5854         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
5855         doc/cppopts.texi: Update copyright.
5856
5857 2005-03-18  Jan Hubicka  <jh@suse.cz>
5858
5859         PR middle-end/20225
5860         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
5861         too late.
5862         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
5863         called too late.
5864
5865 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5866
5867         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
5868         VEC_safe_push.
5869
5870 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
5871
5872         * combine.c (gen_binary): Remove.
5873         (known_cond, simplify_shift_const, find_split_point,
5874         combine_simplify_rtx, simplify_if_then_else, simplify_set,
5875         simplify_logical, expand_field_assignment, extract_left_shift,
5876         force_to_mode, if_then_else_cond, apply_distributive_law,
5877         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
5878         simplify_comparison, reversed_comparison): Replace with
5879         simplify_gen_binary, simplify_gen_relational or
5880         distribute_and_simplify_rtx.
5881         (distribute_and_simplify_rtx): New function.
5882
5883 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
5884             Paolo Bonzini  <gcc.gnu.org>
5885
5886         * calls.c (setjmp_call_p, special_function_p): Update comments
5887         at the head of the functions.
5888
5889 2005-03-18  Jan Hubicka  <jh@suse.cz>
5890
5891         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
5892
5893         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
5894         function body should be released; do not proactively release function
5895         bodies in non-unit-at-a-time mode.
5896
5897 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
5898
5899         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
5900         mno-fp-ret-in-387 multilib variants.
5901
5902 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
5903
5904         * common.opt (m): Remove.
5905         * opts.c (handle_option): Pass 'm' options to set_target_switch if
5906         table lookup fails.
5907         (common_handle_option): Remove OPT_m case.
5908
5909 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
5910
5911         * builtins.c (fold_builtin_bitop): Take decomposed arguments
5912         of CALL_EXPR.
5913         (fold_builtin_1): Update a call to fold_builtin_bitop.
5914
5915         * builtins.c (fold_builtin_signbit): Take decomposed arguments
5916         of CALL_EXPR.
5917         (fold_builtin_1): Update a call to fold_builtin_signbit.
5918
5919 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
5920
5921         PR tree-optimization/20474
5922         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
5923         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
5924
5925 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
5926
5927         * config/h8300/h8300-protos.h: Remove prototypes for
5928         general_operand_src, general_operand_dst, single_one_operand,
5929         single_zero_operand, call_insn_operand,
5930         two_insn_adds_subs_operand, small_call_insn_operand,
5931         jump_address_operand, bit_operand, bit_memory_operand,
5932         stack_pointer_operand, const_int_gt_2_operand,
5933         const_int_ge_8_operand, const_int_qi_operand,
5934         const_int_hi_operand, incdec_operand, bit_operator,
5935         nshift_operator, eqne_operator, gtle_operator,
5936         gtuleu_operator, iorxor_operator.
5937         Add prototypes for h8sx_shift_type h8sx_classify_shift and
5938         h8300_ldm_stm_parallel.
5939         * config/h8300/h8300.c (h8sx_shift_type,): Move to
5940         h8300-protos.h.
5941         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
5942         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
5943         (h8300_ldm_stm_parallel): Make it extern.
5944         (h8300_ldm_parallel, h8300_stm_parallel,
5945         h8300_return_parallel, general_operand_src,
5946         general_operand_dst, h8300_dst_operand, h8300_src_operand,
5947         nibble_operand, reg_or_nibble_operand, single_one_operand,
5948         single_zero_operand, call_insn_operand,
5949         two_insn_adds_subs_operand, small_call_insn_operand,
5950         jump_address_operand, bit_operand, bit_memory_operand,
5951         stack_pointer_operand, const_int_gt_2_operand,
5952         const_int_ge_8_operand, const_int_qi_operand,
5953         const_int_hi_operand, incdec_operand, eqne_operator,
5954         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
5955         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
5956         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
5957         nshift_operator): Move to predicates.md.
5958         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
5959         * config/h8300/h8300.md: Include predicates.md.
5960         * config/h8300/predicates.md: New.
5961
5962 2005-03-17  Richard Henderson  <rth@redhat.com>
5963
5964         * config.gcc (ia64*-*-hpux*): Add extra_options.
5965         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
5966         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5967         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
5968         (ia64_tls_size_string, ia64_tune_string): Remove.
5969         (ia64_tune): Init to PROCESSOR_ITANIUM2.
5970         (TARGET_DEFAULT_TARGET_FLAGS): New.
5971         (TARGET_HANDLE_OPTION): New.
5972         (ia64_override_options): Move options parsing ...
5973         (ia64_handle_option): ... here.  New.
5974         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
5975         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
5976         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
5977         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
5978         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
5979         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
5980         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
5981         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
5982         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
5983         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
5984         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
5985         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
5986         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
5987         TARGET_EARLY_STOP_BITS): Remove.
5988         (TARGET_ILP32): Default false.
5989         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
5990         (enum ia64_inline_type): New.
5991         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
5992         * config/ia64/ia64.md: Update for new definitions of
5993         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
5994         * config/ia64/ia64.opt: New file.
5995         * config/ia64/ilp32.opt: New file.
5996
5997 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5998
5999         PR target/18380
6000         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6001
6002 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6003
6004         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6005         instead of MASK_H8300S.
6006         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6007         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6008         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6009         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6010         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6011         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6012         TARGET_SWITCHES): Remove.
6013         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6014         TARGET_H8300SX.
6015         * config/h8300/h8300.opt: New.
6016
6017         * config/alpha/alpha.opt, config/arc/arc.opt,
6018         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6019         notices.
6020
6021 2005-03-17  Ian Lance Taylor  <ian@airs.com>
6022
6023         * gmon.c: Remove.
6024
6025 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
6026
6027         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
6028         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6029         (TARGET_HANDLE_OPTION): Override default.
6030         (arc_handle_option): New function.
6031         (arc_init): Remove code to set arch_cpu_string.
6032         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6033         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6034         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6035         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6036         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6037         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6038         (arc_rodata_string, TARGET_OPTIONS): Delete.
6039         * config/arc/arc.opt: New file.
6040
6041 2005-03-17  Richard Henderson  <rth@redhat.com>
6042
6043         * doc/extend.texi (Weak Pragmas): New section.
6044         (attribute alias): Clarify that target must be in the same
6045         translation unit.
6046
6047 2005-03-17  Richard Henderson  <rth@redhat.com>
6048
6049         * config/alpha/alpha.opt: New file.
6050         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
6051         of alpha_cpu.
6052         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6053         alpha_fprm_string, alpha_fptm_string): Make static.
6054         (alpha_tls_size_string): Remove.
6055         (alpha_handle_option): New.
6056         (override_options): Update for alpha_cpu/alpha_tune split.
6057         (alpha_file_start): Likewise.
6058         (TARGET_DEFAULT_TARGET_FLAGS): New.
6059         (TARGET_HANDLE_OPTION): New.
6060         * config/alpha/alpha.h (alpha_tune): Declare.
6061         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6062         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6063         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6064         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6065         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6066         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6067         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6068         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6069         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6070         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6071         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6072         (TARGET_DEFAULT): Remove MASK_FP.
6073         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6074         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6075         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6076         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6077         alpha_tls_size_string): Remove.
6078         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6079         (attribute tune): Rename from attribute cpu.
6080         * config/alpha/ev4.md: Update to match.
6081         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6082         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6083         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6084         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6085         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6086         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6087
6088 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
6089
6090         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6091         and return without creating new state if before_nops_num is nonzero.
6092         * config/ia64/ia64.md (first_insn): New attribute.
6093         (alloc): Set it to yes.
6094
6095 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6096
6097         * tree-vectorizer.c (new_vec_stmt_info): Initialize
6098         STMT_VINFO_SUBVARS to NULL.
6099         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6100
6101 2005-03-16 Dale Johannesen  <dalej@apple.com>
6102
6103         * rtlanal.c (find_first_parameter_load):  Rewrite to
6104         return actual first param load or the call if none,
6105         instead of first in block, when not all loads exist.
6106
6107 2005-03-16  Roger Sayle  <roger@eyesopen.com>
6108
6109         * optabs.c (expand_copysign_absneg): Make static.
6110         * optabs.h (expand_copysign_absneg): Delete prototype.
6111         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6112
6113 2005-03-16  Richard Henderson  <rth@redhat.com>
6114
6115         PR middle-end/15700
6116         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6117         (alias_pairs): Rename from output_defs.
6118         (find_decl_and_mark_needed): Split out from assemble_alias.
6119         (do_assemble_alias): New.
6120         (assemble_output_def): Remove.
6121         (finish_aliases_1, finish_aliases_2): New.
6122         (process_pending_assemble_output_defs): Remove.
6123         (assemble_alias): Defer aliases for which we don't yet have a
6124         non-external decl for the target symbol.
6125         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6126         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6127         * toplev.c (compile_file): Use finish_aliases_2 instead of
6128         process_pending_assemble_output_defs.
6129         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6130         (process_pending_assemble_output_defs): Remove.
6131
6132 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6133
6134         Fix PR tree-optimization/20489
6135
6136         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6137         for empty structures.
6138
6139 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6140
6141         Fix PR tree-optimization/20490
6142
6143         * tree-ssa-pre.c (create_expression_by_pieces): Use
6144         force_gimple_operand on result of fold.
6145
6146 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
6147
6148         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6149         of closing parenthesis.
6150
6151 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6152
6153         * builtins.c (expand_movstr): Update a call to
6154         fold_builtin_strcpy.
6155         (expand_builtin_strncpy): Update a call to
6156         fold_builtin_strncpy.
6157         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6158         arguments of CALL_EXPR.
6159         (fold_builtin_1): Update calls to fold_builtin_strcpy and
6160         fold_builtin_strncpy.
6161         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6162         * tree.h: Update the prototypes of fold_builtin_strcpy and
6163         fold_builtin_strncpy.
6164
6165 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6166             Dorit Naishlos  <dorit@il.ibm.com>
6167
6168         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6169         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6170         error.
6171
6172 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6173
6174         * tree-inline.c (walk_type_fields, walk_tree,
6175         walk_tree_without_duplicates): Move from here...
6176         * tree.c: ...to here.
6177
6178 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
6179
6180         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6181         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6182         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6183         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6184         (version): Define using $(BASEVER_c).
6185         (Makefile, config.status, build/gcov-iov.o): No longer depends on
6186         version.c.
6187         (version.o): Depend on version files; add custom generation command.
6188         (prefix.o): Define BASEVER on command line.
6189         (s-iov): Depend on version files; adjust command.
6190         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6191         Add gcc-vers.texi.
6192         (gcc-vers.texi): New rule.
6193         (doc/%.info, doc/%.dvi): Add -I . to command line.
6194         (doc/gccinstall.dvi): Likewise.
6195         (PACKAGE): Delete.  All uses replaced with "gcc".
6196         * aclocal.m4: Do not include gcc-version.m4.
6197         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6198         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6199         Set is_release based on contents of DEV-PHASE.
6200         Set gcc_version based on contents of BASE-VER.
6201         Define WIN32_REGISTRY_KEY only if the user overrode the default.
6202         * config.in, configure: Regenerate.
6203         * gccbug.in: Determine version of GCC in use at runtime.
6204         * gcov-iov.c: Get version number and development phase from
6205         command line, not by including version.c.
6206         * intl.c: Replace all uses of PACKAGE with "gcc".
6207         * libada-mk.in: Delete unused "gcc_version" variable.
6208         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6209         * version.c: (VERSUFFIX): New hook for redistributors; adjust
6210         commentary to match.
6211         (version_string): Put together from pieces.
6212         * config/alpha/x-vms: Do not use $(gcc_version).
6213         * config/i386/t-nwld: Likewise.
6214         * doc/include/gcc-common.texi: Include gcc-vers.texi for
6215         version-GCC and DEVELOPMENT.
6216
6217 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6218
6219         PR tree-optimization/17454
6220         * tree.c (tree_size): Add case for TREE_BINFO.
6221         * fold-const.c (fold_checksum_tree): Only clear the overloaded
6222         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6223
6224 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6225
6226         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6227         op1 whilst expanding the signed widenening multiply variant.
6228
6229 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
6230
6231         * toplev.c (display_target_options): Avoid unused variable warning if
6232         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6233         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6234         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6235         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6236         (mips_isa_info): New variable.
6237         (mips_parse_cpu): Remove the first argument and leave the caller
6238         to report errors.
6239         (TARGET_HANDLE_OPTION): Override default.
6240         (mips_handle_option): New function.  Move option validation code from...
6241         (override_options): ...here.  Update calls to mips_parse_cpu.
6242         * config/mips/mips.h (mips_arch_string, mips_tune_string)
6243         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6244         (SUBTARGET_TARGET_OPTIONS): Delete.
6245         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6246         (mno-flush-func, mtune=): New options.
6247
6248 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6249             Richard Henderson  <rth@redhat.com>
6250
6251         * real.c (c4x_single_format, c4x_extended_format): Provide values
6252         for signbit_ro for c4x's single and extended floating point formats.
6253         * optabs.c (expand_copysign): Use the floating point format's
6254         signbit_ro for expanding via expand_copysign_absneg, and it's
6255         signbit_rw field for expanding via expand_copysign_bit.
6256
6257 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
6258
6259         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6260         known_alignment_for_access_p.
6261         (known_alignment_for_access_p): New.
6262         (do_peeling_for_alignment): Field made int instead of bool and renamed
6263         to peeling_for_alignment.
6264         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6265         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6266         functionality used to be in vect_analyze_operations.
6267         (vect_analyze_operations): Code to determine vectorization factor was
6268         moved to vect_determine_vectorization_factor.
6269         (vect_enhance_data_refs_alignment): Update to correct alignment when it
6270         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6271         factor.
6272         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6273         be part of vect_analyze_operations).
6274         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6275         creating the guard condition, as the number of iterations may be
6276         constant.
6277         (slpeel_tree_peel_loop_to_edge): Use new name of
6278         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6279         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6280         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6281         (vect_do_peeling_for_alignment): Use fold.
6282         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6283
6284         (vect_update_inits_of_dr): Renamed to
6285         vect_update_init_of_dr.
6286         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6287         (vectorizable_store): Fix assertion to use == instead of =.
6288
6289 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
6290
6291         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6292         call_used_regs for wCG registers.
6293
6294 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
6295
6296         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6297         for non-offsettable memory references to cope with outstanding reload
6298         replacements, take 2.
6299
6300 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
6301
6302         PR target/18668
6303         * config/i386/i386.h (x86_fisttp): New.
6304         (TARGET_FISTTP): New macro.
6305         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6306         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
6307         instruction when fisttp flag is set.
6308         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6309
6310         * config/i386/i386.md (type attribute): Add fisttp.
6311         (unit attribute): Set to i387 for fisttp type.
6312         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6313         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6314         TARGET_FISTTP.
6315         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6316         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6317         macros.
6318         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6319         patterns for TARGET_FISTTP.  Enable patterns for
6320         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6321         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6322         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6323         implement fisttp x87 insn.
6324         (fix_trunc*_i387_fisttp splitters): New patterns.
6325         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6326         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
6327         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
6328         clobber.
6329         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6330         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6331         Implement using mode macros. Disable patterns for TARGET_FISTTP.
6332         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6333         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6334         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6335         Disable patterns for TARGET_FISTTP.
6336         (fix_trunc*_i387 splitters): Implement usign mode macros.
6337         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6338         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6339         (fix_trunx*_sse peephole2s): Implement using mode macros.
6340
6341 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
6342
6343         PR rtl-optimization/20291
6344         * combine.c (try_combine): If splitting fails, re-try with
6345         original combined pattern, i.e. before clobber stripping.
6346
6347 2005-03-14  Eric Christopher  <echristo@redhat.com>
6348
6349         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6350         STACK_GROWS_DOWNWARD.
6351
6352 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6353
6354         * real.h (struct real_format): Split the signbit field into two
6355         two fields, signbit_ro and signbit_rw.
6356         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6357         mips_double_format, ieee_extended_motorola_format,
6358         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6359         ieee_extended_intel_128_format, ibm_extended_format,
6360         mips_extended_format, ieee_quad_format, mips_quad_format,
6361         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6362         i370_double_format, c4x_single_format, c4x_extended_format,
6363         real_internal_format): Update initializers for new field.
6364         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6365         real_format structure.
6366         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6367         field of the real_format structure.
6368
6369 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
6370
6371         Fix PR tree-optimization/20458
6372
6373         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6374         DECL_EXTERNAL on STRUCT_FIELD tags.
6375         (clear_call_clobbered): Ditto.
6376         * tree-ssa-operands.c (note_addressable): Make sure the original
6377         variable doesn't slip into the addressable list if we have
6378         subvars.
6379         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6380         tags too.
6381
6382 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
6383
6384         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6385         (-fwide-exec-charset): Likewise.
6386         (-finput-charset): Likewise.
6387         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6388         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6389         * c.opt (Wnormalized): New.
6390
6391 2005-03-14  Devang Patel  <dpatel@apple.com>
6392
6393         * doc/invoke.texi: Add reference to Visibility document.
6394
6395 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6396
6397         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6398         MASK_SPLIT_ADDRESSES.
6399         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6400         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6401         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6402         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6403         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6404         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6405         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6406         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6407         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6408         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6409         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6410         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6411         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6412         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6413         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6414         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6415         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6416         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6417         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6418         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6419         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6420         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6421         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6422         (TARGET_EXPLICIT_RELOCS): Delete.
6423         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6424         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6425         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6426         (override_options): Set MASK_LONG64 if -mint64 is given and no
6427         -mlongXX option is.  Complain about -mint64 -mlong32.
6428         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6429         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6430         * config/mips/mips.opt: New file.
6431
6432 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6433
6434         * config.gcc (extra_options): New variable for listing option files.
6435         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6436         * configure.ac (extra_opt_files): New AC_SUBST variable.
6437         (tm_file_list, tm_include_list): Include options.h first.
6438         * configure: Regenerate.
6439         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6440         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6441         (s-options-h): New rule.
6442         (options.h): Depend on it.
6443         (TEXI_GCCINT_FILES): Add options.texi.
6444         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6445         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6446         * target.h (gcc_target): Add default_target_flags and handle_option.
6447         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6448         (TARGET_HANDLE_OPTION): New macros.
6449         (TARGET_INITIALIZER): Include them.
6450         * opt-functions.awk (opt_args, nth_arg): New functions.
6451         (switch_flags): Handle the "Target" flag.
6452         (var_args): Delete.
6453         (var_name): Use opt_args and nth_arg.
6454         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
6455         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
6456         macros for the "Mask" and "InverseMask" options.
6457         * opts.h (cl_var_cond): New enum.
6458         (cl_option): Replace the "has_set_value" and "set_value" fields with
6459         "var_cond" and "var_value".
6460         (CL_TARGET): New macro.
6461         (option_enabled, print_filtered_help): Declare.
6462         (decode_options): Move definition.
6463         * opts.c (handle_option): Search for the original option before
6464         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
6465         var_cond and var_value fields.  Use targetm.handle_option to handle
6466         target options.
6467         (decode_options): Set target_flags to targetm.default_target_flags.
6468         (print_filtered_help): Make global.  Handle CL_TARGET.
6469         (option_enabled): New function.
6470         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6471         (display_target_options, set_target_switch, print_switch_values)
6472         (default_pch_valid_p): Guard uses of target_switches with
6473         #ifdef TARGET_SWITCHES.  Also...
6474         (display_target_options): Display the CL_TARGET entries in cl_options.
6475         (set_target_option): Don't complain about the "" option when
6476         TARGET_SWITCHES is undefined.
6477         (print_switch_values): Use option_enabled.
6478         (default_pch_valid_p): Check cl_options[] when looking for something
6479         that has changed the value of target_flags.
6480         * c.opt: Remove documentation from top of file.
6481         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
6482         * doc/sourecebuild.texi: Refer to the new options documentation
6483         instead of c.opt.  Document machine-specific .opt files.
6484         * doc/tm.texi (target_flags): Say that this variable is declared
6485         by options.h.
6486         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6487         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6488         an alternative.
6489         * doc/options.texi: New file.
6490
6491 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6492
6493         PR middle-end/18628
6494         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6495         register.
6496
6497 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6498
6499         PR c++/20280
6500         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
6501         temporary variable of pointer type if an lvalues is required.
6502         (gimplify_modify_expr_rhs): Request an rvalue from it.
6503         (gimplify_expr): Pass fallback on.
6504
6505 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6506
6507         * cfgbuild.c: Update comments.
6508
6509 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6510
6511         PR rtl-optimization/17236
6512         * optabs.c (expand_doubleword_mult): New helper function split out
6513         from expand_binop.  Permute the order in which instructions are
6514         emitted to minimize the number of simultaneously live registers.
6515         (expand_binop): Call expand_doubleword_mult to synthesize a double
6516         word multiplication.
6517
6518 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6519
6520         * basic-block.h: Update the prototypes of cached_make_edge and
6521         rtl_make_eh_edge.
6522         * cfg.c (cached_make_edge): Take edge_cache representing one
6523         row of the adjacency matrix of edges.
6524         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6525         (make_edges): Initialize edge_cache to represent one row of
6526         the adjacency matrix of edges.
6527
6528 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6529
6530         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6531         New functions.
6532         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6533         Remove unused removed_phis variable.
6534         (conditional_replacement): Use build1/build2.
6535         (abs_replacement): Use last_and_only_stmt and build1/build2.
6536
6537 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6538
6539         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6540         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6541         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6542         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6543         * c-common.c (handle_novops_attribute): New function.
6544         (c_common_attribute_table): Add "no vops" entry.
6545         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6546         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6547         * tree-ssa-operands.c (get_call_expr_operands): Do not
6548         create virtual operands for calls with ECF_NOVOPS flag.
6549         * tree.h (DECL_IS_NOVOPS): New macro.
6550         (struct tree_decl): Add novops_flag.
6551         (ECF_NOVOPS): New constant.
6552
6553 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
6554
6555         PR target/17688
6556         * config/i386/i386.c (x86_use_himode_fiop): New.
6557         (x86_use_simode_fiop): Rename from x86_use_fiop.
6558         * config/i386/i386.h (x86_use_himode_fiop): Declare.
6559         (TARGET_USE_HIMODE_FIOP): New.
6560         (x86_use_simode_fiop): Rename from x86_use_fiop.
6561         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6562
6563         * config/i386/i386.md (X87MODEI12): New mode macro define.
6564         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
6565         to implement x87 FP compare with HImode input operands.
6566         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6567         Use X87MODEI12 mode macro to handle HImode input operands.
6568         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6569         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6570         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6571         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6572         macro to implement x87 operators with HImode input operands.
6573         (fop splitters): Use X87MODEI12 mode macro to handle HImode
6574         input operands.
6575
6576 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6577
6578         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6579         integer_zerop.
6580         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6581         constants invariant.
6582
6583 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6584
6585         * basic-block.h (BB_VISITED): Removed.
6586         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
6587
6588 2005-03-14  Falk Hueffner  <falk@debian.org>
6589
6590         PR bootstrap/20424
6591         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
6592
6593 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6594
6595         * ggc-zone.c: Fix comment typos.
6596
6597         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
6598         stringpool.c, config/mips/mips-protos.h: Update copyright.
6599
6600 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6601
6602         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
6603         throughout with its typedef, "rtx".
6604         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
6605         (rs6000_tls_symbol_ref_1): Remove inline keyword.
6606         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
6607         regs in comment to match code.
6608
6609 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6610
6611         * except.c (check_handled): Make it static.
6612         * except.h: Remove the corresponding prototype.
6613
6614         * function.c (get_func_frame_size): Make it static.
6615         * function.h: Remove the corresponding type.
6616
6617         * regclass.c (reg_class_superclasses, reg_class_subclasses):
6618         Make them static.
6619         * hard-reg-set.h: Remove the corresponding declarations.
6620
6621         * tree-cfg.c (verify_stmts): Check that
6622         bb_for_stmt (stmt) == bb for every PHI node and statement.
6623
6624 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
6625
6626         * config.gcc: Remove excess indentation.
6627         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
6628
6629 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6630
6631         PR middle-end/19331
6632         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
6633         * fold-const.c (fold_sign_changed_comparison): Likewise.
6634         (fold_binary): Optimize comparisons against widened operands if
6635         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
6636
6637 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6638
6639         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
6640         (sparc_override_options): Initialize it.
6641         (sparc_struct_value_rtx): Set it on the MEM to be returned.
6642
6643 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
6644
6645         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
6646         (reg_or_none500mem_operand): New predicate.
6647         (zero_reg_mem_operand): New predicate.
6648         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
6649         to reg_or_none500mem_operand.
6650         (extendsfdf2_fpr): Add MEM alternative.
6651         (extenddftf2_internal): Change operand2 predicate to
6652         zero_reg_mem_operand.
6653
6654 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6655
6656         * ggc-zone.c: Rewritten.
6657
6658         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
6659         if there are none.
6660         * configure.ac: Define GGC_ZONE for --with-gc=zone.
6661         * config.in: Regenerated.
6662         * configure: Regenerated.
6663         * gengtype.c (write_types_process_field, write_func_for_structure):
6664         Pass new argument to gt_pch_note_object.
6665         * ggc-common.c (struct ptr_data): Add TYPE.
6666         (gt_pch_note_object): Take TYPE argument and save it.
6667         (call_count): Update call to ggc_pch_count_object.
6668         (call_alloc): Update call to ggc_pch_alloc_object.
6669         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
6670         file.
6671         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
6672         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
6673         (ggc_alloc_zone_stat): Delete.
6674         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
6675         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
6676         (ggc_pch_alloc_object): Update prototypes.
6677         (garbage_zone): Delete.
6678         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
6679         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
6680         pointers.
6681         (tree_id_zone): New variable.
6682         (ggc_alloc_cleared_zone): Remove unused.
6683         (ggc_alloc_zone): Define.
6684         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
6685         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
6686         ggc_alloc_zone_stat.
6687         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
6688         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
6689         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
6690         (make_node_stat): Likewise.  Use tree_id_zone.
6691
6692 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6693             Joseph S. Myers  <joseph@codesourcery.com>
6694
6695         * configure.ac: Check for MIPS TLS.
6696         * configure: Regenerated.
6697         * config/mips/mips-protos.h (enum mips_symbol_type): Add
6698         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
6699         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
6700         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
6701         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
6702         (mips_classify_symbol, mips_symbolic_constant_p)
6703         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
6704         (mips_tls_operand_p, mips_call_tls_get_addr)
6705         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
6706         (mips_tls_symbol_ref_1): New functions.
6707         (mips_legitimize_address, mips_legitimize_const_move): Call
6708         mips_legitimize_tls_address.
6709         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
6710         for MIPS16.
6711         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
6712         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
6713         (mips_char_to_class): Document V1_REG.
6714         (HAVE_AS_TLS): Provide default.
6715         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
6716         constants.
6717         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
6718         !TARGET_ABICALLS.
6719         (tls_get_tp_<mode>): New instruction.
6720
6721 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6722
6723         * configure.ac: Update checks for target tools.
6724         * configure: Regenerated.
6725
6726 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
6727
6728         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
6729
6730 2005-03-13  Roger Sayle  <roger@eyesopen.com>
6731
6732         * expmed.c (expand_mult): Use synthetic multiplication sequences for
6733         more classes of DImode multiplication by constant.  Allow both
6734         multiplication by small negative constants (by performing a
6735         multiplication by a positive constant and negating the result) and
6736         multiplications by large powers of two, by using a left shift.
6737
6738 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6739
6740         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
6741         of basic blocks into work_stack.
6742
6743         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
6744         config/mips/vr.h: Update copyright.
6745
6746         * c-decl.c (c_init_decl_processing): Remove useless calls to
6747         build_function_type.
6748
6749         * builtins.c (fold_trunc_transparent_mathfn,
6750         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
6751         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6752         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
6753         fold_builtin_strcpy, fold_builtin_strncpy,
6754         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
6755         TREE_TYPE (exp).
6756
6757         * builtins.c (expand_builtin_mathfn_3): Remove local variable
6758         before_call.
6759
6760         * lambda-code.c (lambda_compute_auxillary_space): Remove local
6761         variable determinant.
6762
6763         * tree-cfg.c (group_case_labels): Remove local variable type.
6764
6765         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
6766         variable ann.
6767
6768         * tree-ssa-phiopt.c (value_replacement): Remove local variable
6769         result.
6770
6771 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
6772
6773         PR target/18251
6774         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
6775         (*movmemqi_insn): Delete.
6776         (*movmemhi): Delete.
6777
6778 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
6779
6780         * builtins.c (fold_builtin_classify): Take decomposed
6781         arguments of CALL_EXPR.
6782         (fold_builtin_1): Update a call to fold_builtin_classify.
6783
6784 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
6785
6786         PR c/20402
6787         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
6788         through into call to parser_xref_tag after parse error.
6789         (c_parser_struct_declaration): Consistently return NULL_TREE on
6790         error.
6791
6792 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
6793
6794         * tree-flow-inline.h (ref_contains_array_ref): New function.
6795         (lookup_subvars_for_var): Ditto.
6796         (get_subvars_for_var): Ditto.
6797         (var_can_have_subvars): Ditto.
6798
6799         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
6800         (struct subvar): New type.
6801
6802         * tree-dfa.c (okay_component_ref_for_subvars): New function.
6803
6804         * tree-optimize.c (init_tree_optimization_passes): Call
6805         pass_create_structure_vars.
6806
6807         * tree-ssa-alias.c: Include vec.h.
6808         (init_alias_info): Don't auto-clear call clobbered on struct-field
6809         tags.
6810         (compute_flow_insensitive_aliasing): Handle subvars.
6811         (group_aliases): Handle STRUCT_FIELD aliases.
6812         (setup_pointers_and_addressables): Ditto.
6813         Don't mark variables non-addressable if they still have
6814         addressable subvars.
6815         Also mark subvars addressable when the real variable is marked
6816         addressable.
6817         (add_pointed_to_var): Try to prune the pointed-to set by only
6818         pointing to subvars when possible.
6819         Otherwise, make sure we set addresses_needed and pt_vars to
6820         properly include subvars.
6821         (bitpos_of_field): New function.
6822         (push_fields_onto_fieldstack): Ditto.
6823         (get_or_create_used_part_for): Ditto.
6824         (create_overlap_variables_for): Ditto.
6825         (find_used_portions): Ditto.
6826         (create_structure_vars): Ditto.
6827         (pass_create_structure_vars): New structure.
6828
6829         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
6830         (get_expr_operands): Handle subvars.  Also try to turn
6831         COMPONENT_REF accesses into must-defs now that we can accurately
6832         portray it.
6833         (note_addressable): Try to only mark as addressable those subvars
6834         we know a COMPONENT_REF touches.
6835         (overlap_subvar): New function.
6836
6837         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
6838         Handle subvar storing.
6839         (vect_address_analysis): Update caller of vect_object_analysis.
6840
6841         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
6842
6843         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
6844         (STMT_VINFO_SUBVARS): New macro.
6845
6846         * common.opts: add flag_tree_salias.
6847
6848         * opts.c (decode_options): flag_tree_salias defaults to on.
6849
6850         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
6851
6852         * doc/tree-ssa.texi: Document structural alias analysis.
6853
6854 2005-03-12  Steven Bosscher  <stevenb@suse.de>
6855
6856         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
6857         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
6858         * tree-ssa-operands.c (get_expr_operands): Likewise.
6859         (get_expr_operands): Likewise for ERROR_MARK.
6860
6861 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6862
6863         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
6864         var.
6865
6866         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
6867         removed_phis.
6868
6869         * tree-ssa-pre.c (compute_avail): Remove local variable val.
6870         (mark_operand_necessary): Remove local variable ver.
6871
6872         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
6873         variable prefix_len.
6874
6875         * value-prof.c (mod_subtract_transform): Remove local variable
6876         value.
6877
6878         * builtins.c (fold_builtin_exponent): Take decomposed
6879         arguments of CALL_EXPR.
6880         (fold_builtin_1): Update a call to fold_builtin_exponent.
6881
6882         * builtins.c (fold_builtin_logarithm): Take decomposed
6883         arguments of CALL_EXPR.
6884         (fold_builtin_1): Update a call to fold_builtin_logarithm.
6885
6886         * c-decl.c (c_init_decl_processing): Remove local variables
6887         ptr_ftype_void and ptr_ftype_ptr.
6888
6889         * gimplify.c (gimplify_expr): Remove local variables r0 and
6890         r1.
6891
6892         * reg-stack.c (move_for_stack_reg): Remove local variable
6893         push_insn.
6894         (compare_for_stack_reg): Remove local variable flags_user.
6895         (convert_regs_1): Remove local variable deleted.
6896
6897         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
6898         variable new_cond.
6899         (combine_blocks): Remove local variables exits and new_e.
6900
6901         * tree-inline.c (expand_call_inline): Remove local variable
6902         decl.
6903
6904         * tree-ssa-live.c (create_ssa_var_map,
6905         calculate_live_on_entry): Remove local variable snn.
6906
6907 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
6908
6909         * c-lex.c (c_lex_with_flags): Add parameter to call to
6910         cpp_spell_token.
6911
6912 2005-03-11  Per Bothner  <per@bothner.com>
6913
6914         * c-tree.h (struct c_declarator): New id_loc field.
6915         * c-pragma.h (c_lex_with_flags): Take position reference.
6916         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
6917         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
6918         (c_lex): Pass dummy location to c_lex_with_flags.
6919         * c-parser.c (c_lex_one_token): Set c_token's location using
6920         c_lex_with_flags, instead of input_location, which might be "ahead".
6921         (c_parser_direct_declarator): Set declarator's id_loc from
6922         c_token's id_loc.
6923         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
6924         declarator's id_loc, rather than probably-imprecise input_location.
6925         (build_id_declarator): Initialize c_declarator's id_loc field.
6926
6927 2005-03-11  Roger Sayle  <roger@eyesopen.com>
6928
6929         PR middle-end/20419
6930         * builtins.c (expand_builtin_signbit): Force the signbit's word
6931         into an integer register to avoid SUBREGs of floating point modes.
6932
6933 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
6934
6935         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
6936         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
6937         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
6938         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
6939
6940 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
6941
6942         PR rtl-optimization/20306
6943         * expr.c (emit_move_complex): Set try_int false if mode is
6944         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
6945         emit_block_move if try_int is true.
6946
6947 2005-03-11  Richard Henderson  <rth@redhat.com>
6948
6949         PR target/20415
6950         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
6951         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
6952         to match.
6953
6954 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6955
6956         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
6957         (TARGET_FIX_VR4130): New macro.
6958         (TARGET_OPTIONS): Add -mfix-vr4130.
6959         (ISA_HAS_MACCHI): New macro.
6960         (ASM_SPEC): Add -mfix-vr4130.
6961         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
6962         (override_options): Handle mips_fix_vr4130_string.
6963         (mips_avoid_hazards): Clear all_noreorder_p
6964         if we're working around VR4130 errata and the macc alternatives
6965         are not available.
6966         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
6967         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
6968         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
6969         (MULTILIB_DEFAULTS): Remove leading "march=".
6970         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
6971         if no architecture option is given.
6972         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
6973         VR4130 multilibs.
6974         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
6975         * doc/invoke.texi: Document -mfix-vr4130.
6976
6977 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
6978
6979         * config/mips/mips.c (override_options): Only warn about -mint64
6980         deprecation if TARGET_INT64.
6981
6982 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6983
6984         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
6985         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
6986         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
6987         are non-specific regarding the nonnull parameter positions.
6988         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
6989         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
6990         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
6991         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
6992
6993         * builtins.def: Use the non-specific "nonnull" attibute lists.
6994
6995 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
6996
6997         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
6998         single_pred_edge, single_succ, single_pred): Improve comments.
6999
7000 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7001
7002         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7003         single_pred_edge, single_succ, single_pred): New inline functions.
7004         * bb-reorder.c (rotate_loop, find_traces_1_round,
7005         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7006         duplicate_computed_gotos): Use the single_succ/pred functions.
7007         * cfganal.c (forwarder_block_p): Ditto.
7008         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7009         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7010         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7011         merge_seq_blocks): Ditto.
7012         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7013         * cfglayout.c (fixup_reorder_chain): Ditto.
7014         * cfgloop.c (mark_single_exit_loops, update_latch_info,
7015         canonicalize_loop_headers, verify_loop_structure): Ditto.
7016         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7017         mfb_update_loops, create_preheader, force_single_succ_latches,
7018         create_loop_notes): Ditto.
7019         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7020         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7021         commit_one_edge_insertion, purge_dead_edges,
7022         cfg_layout_can_merge_blocks_p): Ditto.
7023         * except.c (sjlj_emit_function_enter): Ditto.
7024         * flow.c (init_propagate_block_info): Ditto.
7025         * function.c (thread_prologue_and_epilogue_insns): Ditto.
7026         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7027         insert_insn_end_bb): Ditto.
7028         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7029         find_if_case_2): Ditto.
7030         * lambda-code.c (perfect_nestify): Ditto.
7031         * lcm.c (optimize_mode_switching): Ditto.
7032         * loop-doloop.c (doloop_modify): Ditto.
7033         * loop-init.c (loop_optimizer_init): Ditto.
7034         * loop-iv.c (simplify_using_initial_values): Ditto.
7035         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7036         * loop-unswitch.c (unswitch_loop): Ditto.
7037         * modulo-sched.c (generate_prolog_epilog): Ditto.
7038         * predict.c (combine_predictions_for_insn, estimate_probability,
7039         tree_estimate_probability, last_basic_block_p,
7040         estimate_bb_frequencies): Ditto.
7041         * profile.c (branch_prob): Ditto.
7042         * regrename.c (copyprop_hardreg_forward): Ditto.
7043         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7044         * tracer.c (layout_superblocks): Ditto.
7045         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7046         cfg_remove_useless_stmts_bb, cleanup_control_flow,
7047         cleanup_control_expr_graph, disband_implicit_edges,
7048         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7049         tree_verify_flow_info, tree_make_forwarder_block,
7050         tree_forwarder_block_p, remove_forwarder_block,
7051         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7052         * tree-if-conv.c (tree_if_conversion): Ditto.
7053         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7054         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7055         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7056         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7057         copy_loop_headers): Ditto.
7058         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7059         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7060         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7061         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7062         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7063         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7064         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7065         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7066         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7067         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7068         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7069         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7070         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7071         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7072         slpeel_add_loop_guard): Ditto.
7073
7074 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
7075
7076         PR tree-optimization/15784
7077         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7078         and -1 - A to ~A.
7079
7080         * stmt.c (expand_case): Don't change index_type.  Convert minval
7081         to the proper type.
7082
7083         PR tree-optimization/20130
7084         * fold-const.c (fold): Fold x * -1 into -x.
7085
7086 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7087
7088         PR rtl-optimization/20331
7089         * rtlanal.c (modified_between_p): Check its address first for MEM.
7090         (modified_in_p): Likewise.
7091
7092 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
7093
7094         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7095
7096 2005-03-10  Steven Bosscher  <stevenb@suse.de>
7097
7098         * expr.c (expand_expr_real_1): If possible, use a conditional
7099         move for expanding MIN_EXPR and MAX_EXPR.
7100         Use temp for moving around rtx-en.
7101
7102 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
7103
7104         PR rtl-opt/20412
7105         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7106         correct mode.
7107
7108 2005-03-10  Roger Sayle  <roger@eyesopen.com>
7109
7110         * builtins.c (expand_builtin_signbit): Extend to handle floating
7111         point modes wider than the largest integer type, using the
7112         operand_subword_force function to obtain the signbit's word.
7113
7114 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7115
7116         PR target/20322
7117         * combine.c (try_combine): If recog_for_combine added CLOBBERs
7118         to NEWI2PAT, fail to combine if they are used by NEWPAT.
7119
7120 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
7121
7122         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7123
7124 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
7125
7126         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7127         type void.
7128         (perform_edge_inserts): Unconditionally call
7129         free_dominator_info.
7130
7131         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7132
7133 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
7134
7135         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7136
7137 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
7138
7139         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7140
7141         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7142         gcc_unreachable.
7143         (rtl_register_value_prof_hooks,
7144         tree_value_profile_transformations,
7145         tree_register_value_prof_hooks): Likewise.
7146         * var-tracking.c (stack_adjust_offset_pre_post,
7147         variable_htab_free, variable_union, dataflow_set_different_2,
7148         count_uses, variable_was_changed, set_frame_base_location,
7149         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7150         vt_add_function_parameters): Likewise.
7151         * varasm.c (named_section_real, named_section, make_decl_rtl,
7152         asm_emit_uninitialised, assemble_integer, decode_addr_const,
7153         const_hash_1, compare_constant, copy_constant, force_const_mem,
7154         output_constant_pool_2, output_constant_pool_1, output_constant,
7155         output_constructor, make_decl_one_only, decl_tls_model,
7156         default_no_named_section, default_elf_select_section_1,
7157         default_unique_section_1): Likewise.
7158         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7159         * vmsdbgout.c (addr_const_to_string): Likewise.
7160
7161         PR c++/20375
7162         * function.c (struct assign_parm_data_one): Remove last_named
7163         field.
7164         (assign_parm_find_data_types): Don't determine last_named.
7165         Reorder named_parm determination.
7166         (assign_parms): Only setup varargs on the last non-varadic
7167         parameter.
7168
7169 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
7170
7171         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
7172         sda base address on medium model.
7173
7174 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
7175
7176         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7177         * cfgloop.c (flow_loop_nodes_find): Export.
7178         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7179         Declare.
7180         * cfgloopmanip.c (fix_loop_structure): New function.
7181         * predict.c (predict_loops): Clean up the loops information.
7182         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7183         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7184         loop structure.
7185         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7186         (rewrite_into_loop_closed_ssa): Declaration changed.
7187         * tree-loop-linear.c (linear_transform_loops): Add argument to
7188         rewrite_into_loop_closed_ssa call.
7189         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7190         * tree-ssa-loop-im.c (move_computations): Ditto.
7191         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7192         * tree-vectorizer.c (vectorize_loops): Ditto.
7193         * tree-optimize.c: Include cfgloop.h.
7194         (execute_todo): Choose whether to call cleanup_tree_cfg or
7195         cleanup_tree_cfg_loop.
7196         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7197         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7198         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7199         cleanup_tree_cfg_loop call.
7200         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7201         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7202         work on part of cfg.
7203
7204 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7205
7206         PR inline-asm/20314
7207         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7208         with multiple alternatives.
7209
7210         * stmt.c (parse_output_constraint): Fix a typo.
7211
7212 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
7213
7214         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7215         assembly directive instead of deprecated "no-generics".
7216
7217 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
7218
7219         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7220         for non-offsettable memory references to cope with outstanding reload
7221         replacements.
7222         * config/s390/s390.md ("reload_outti"): Call find_replacement to
7223         avoid losing outstanding address reloads.
7224         ("reload_outdi", "reload_outdf"): Likewise.
7225
7226 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7227
7228         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7229         code.  Add more cbrt transformations.
7230
7231 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7232
7233         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7234
7235 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7236
7237         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7238         NULL_TREE when a given tree is not simplified.
7239         (fold): Return the original tree when any of the functions
7240         mentioned above NULL_TREE.
7241
7242         * fold-const.c (fold_unary, fold_binary): Take decomposed
7243         arguments, code, type, op0, and op1 in case of fold_binary.
7244         (fold): Update calls to fold_unary and fold_binary.
7245
7246 2005-03-09  Roger Sayle  <roger@eyesopen.com>
7247
7248         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7249         a fndecl and an arglist instead of a CALL_EXPR, exp.
7250
7251 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7252
7253         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7254
7255         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7256
7257         * expr.c (expand_assignment): Remove orig_to_rtx.
7258
7259         * fold-const.c (int_const_binop): Remove no_overflow.
7260
7261         * ifcvt.c (noce_emit_move_insn): Remove inmode.
7262
7263         * loop-iv.c (get_biv_step_1): Remove lhs.
7264
7265         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7266
7267         * real.c (real_nan): Remove neg.
7268
7269         * function.c (thread_prologue_and_epilogue_insns): Remove i
7270         and newinsn.
7271
7272         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7273         tb.
7274
7275         * tree-eh.c (tree_could_trap_p): Remove idx.
7276
7277         * tree-into-ssa.c (ann): Remove ann.
7278
7279         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7280
7281         * tree-sra.c (decide_block_copy): Remove inst_count.
7282
7283         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7284
7285         * tree-ssa-loop-im.c (lhs): Remove.
7286
7287         * cfgbuild.c (state, STATE, SET_STATE,
7288         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7289         make_edges.
7290         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7291         (find_basic_blocks): Set the state of each basic block to
7292         BLOCK_NEW.
7293
7294 2005-03-08  Jeff Law  <law@redhat.com>
7295
7296         * tree-cfg.c (cleanup_control_flow): If removal of a computed
7297         goto results in the removal of edges in the CFG, then we need
7298         to recompute dominators.
7299
7300 2005-03-09  Ben Elliston  <bje@au.ibm.com>
7301
7302         * c-common.c (c_do_switch_warnings): Comment fix.
7303
7304 2005-03-08  Julian Brown  <julian@codesourcery.com>
7305
7306         * Patch from 2005-03-08 reverted for causing regressions and
7307         ppc-darwin bootstrap failure.
7308
7309 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
7310
7311         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7312         Define the real function for ppc-darwin.
7313         * c-typeck.c (convert_arguments): Check for target-specific
7314         invalid argument call to unprototyped function.
7315         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7316         New Macro.
7317         * target.h (invalid_arg_for_unprototyped_fn): New field
7318         in struct calls.
7319         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7320         default target hook.
7321         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7322         Declare.
7323
7324 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7325
7326         * c-typeck.c (constructor_stack, constructor_range_stack,
7327         initializer_stack): Make them static.
7328
7329         * cfg.c (rbi_pool): Make it static.
7330
7331         * gimple-low.c (lower_stmt_body): Make it static.
7332         * tree-flow.h: Remove the corresponding prototype.  Don't
7333         declare lower_data.
7334
7335         * sched-deps.c (cache_size): Make it static.
7336
7337         * stor-layout.c (lang_adjust_rli): Make it static.
7338
7339 2005-03-08  Julian Brown  <julian@codesourcery.com>
7340
7341         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7342         from being used for symbols with vague linkage when
7343         HAVE_GAS_COMDAT_GROUP is true.
7344
7345 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
7346
7347         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7348         nlabel == JUMP_LABEL (jump).
7349
7350 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7351
7352         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7353         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7354         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7355         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7356
7357 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
7358
7359         PR c/14411
7360         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7361         * c-common.c (handle_returns_twice): New function.
7362         (c_common_attribute_table): Declare eturns_twice' attribute.
7363         * doc/extend.texi: Document eturns_twice' attribute.
7364         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7365         (struct tree_decl): Add returns_twice_flag.
7366
7367 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7368
7369         * tree-ssa-phiopt.c: Fix a comment typo.
7370
7371         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7372         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7373         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7374         copyright.
7375
7376 2005-03-08  Richard Henderson  <rth@redhat.com>
7377
7378         * config/alpha/alpha.c (code_for_builtin): Replace special-case
7379         builtin codes with ctzdi2, clzdi2, popcountdi2.
7380         (struct alpha_builtin_def): Add is_const.
7381         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7382         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7383         (alpha_init_builtins): Init them.  Set nothrow and const attributes
7384         on builtins.
7385         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7386         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7387         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7388         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7389         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7390         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7391         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7392         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7393         (TARGET_FOLD_BUILTIN): New.
7394         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7395         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7396         (ffsdi2): Use ctz.
7397         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7398
7399 2005-03-08  Ira Rosen  <irar@il.ibm.com>
7400
7401         PR tree-optimization/20122
7402         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7403         condition of access function instead of base.
7404
7405 2005-03-07  Jeff Law  <law@redhat.com>
7406             Steven Bosscher  <stevenb@suse.de>
7407
7408         * tree-cfg.c (find_taken_edge_computed_goto): New function.
7409         (find_taken_edge): Call find_taken_edge_computed_goto as
7410         appropriate.  Allow any gimple invariant rather than just
7411         INTEGER_CST for VAL.
7412         (cleanup_control_flow): Cleanup a computed goto which has turned
7413         into a simple goto.
7414         (tree_merge_blocks): If block B has any forced labels, move
7415         them to the start of block A.
7416         * tree-ssa-dom.c (thread_across_edge): Allow threading across
7417         computed gotos as well.
7418         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7419         removal of unnecessary computed gotos too.
7420         (lookup_redirection_data): Fix type of INSERT argument.  Callers
7421         updated.
7422
7423 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7424
7425         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
7426         Remove trailing spaces.
7427
7428         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7429         unshare_all_trees): Make them static.
7430         * tree-gimple.h: Remove the corresponding prototypes.
7431
7432         * diagnostic.h: Remove unused prototype
7433         debug_output_buffer.
7434         * modulo-sched.c: Remove unused prototype
7435         set_row_column_for_ps.
7436
7437         * tree-ssa-phiopt.c (tree_ssa_phiopt,
7438         replace_phi_edge_with_variable): Remove unused variable i.
7439
7440 2005-03-07  Per Bothner  <per@bothner.com>
7441
7442         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7443
7444 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
7445
7446         PR tree-opt/17671
7447         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7448         bbs on the COND_EXPR instead of the PHI_NODEs.
7449         (candidate_bb_for_phi_optimization): Remove.
7450         (replace_phi_with_stmt): Rename to ...
7451         (replace_phi_edge_with_variable): this and change so that we
7452         replace the phi argument instead of removing the PHI.
7453         (conditional_replacement): Change so we deal with PHI with more
7454         than two arguments.
7455         (value_replacement): Likewise.
7456         (abs_replacement): Likewise.
7457
7458 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
7459
7460         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7461         output_e500_flip_gt_bit.
7462
7463         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7464         as bit 31.
7465         (rs6000_generate_compare): Fix logic to look at the correct bits.
7466         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7467         Look at GT bit.
7468         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7469         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
7470         gen_move_from_CR_gt_bit.
7471
7472         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7473         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7474         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7475
7476         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7477         (E500_CR_IOR_COMPARE): New constant.
7478
7479 2005-03-08  Earl Chew <earl_chew@agilent.com>
7480             David Billinghurst <David.Billinghurst@riotinto.com>
7481
7482         * config/i386/host-cygwin.c: New file to support precompiled
7483         headers on cygwin
7484         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7485         * config.host: Use above files for cygwin host.
7486
7487 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
7488
7489         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7490         ordering ops from earlier change.
7491
7492 2005-03-07  Per Bothner  <per@bothner.com>
7493
7494         Various fixes to allow us to again build if --enable-mapped-location:
7495         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7496         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7497         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7498         local variable loc. Change logic appropriately.
7499         * tree-vect-transform.c (vect_finish_stmt_generation): Use
7500         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7501         * c-parser.c (c_parser_for_statement): Initialize loc variable.
7502         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7503         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7504
7505 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
7506
7507         PR rtl-optimization/19683
7508         * reload1.c (choose_reload_regs): Pass the number of bits, not the
7509         number of bytes, to smallest_int_for_mode.  Fix arguments to
7510         REG_CANNOT_CHANGE_MODE_P.
7511
7512 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7513
7514         * reorg.c (relax_delay_slots): Check that the jump is
7515         conditional before trying to invert it.
7516
7517 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7518
7519         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7520         Make them static.
7521
7522         * calls (stack_arg_under_construction): Make it static.
7523
7524         * flow.c (regs_live_at_setjmp): Make it static.
7525         * flow.h: Remove the corresponding prototype.
7526
7527         * reload1.c (reload_startobj, reload_firstobj,
7528         something_needs_operands_changed, reload_inherited,
7529         reload_inheritance_insn, reload_override_in,
7530         reload_spill_index): Make them static.
7531
7532         * recog.c (verify_changes): Make it static.
7533         * recog.h: Remove the corresponding prototype.
7534
7535         * cfgbuild.c (find_sub_basic_blocks): Remove.
7536         * basic-block.h: Remove the corresponding prototype.
7537         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7538         in comments.
7539         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7540
7541         * tree-ssa-operands.c (check_build_stmt): Remove.
7542
7543         * stor-layout.c (set_alignment): Remove.
7544         * tree.h: Remove the corresponding prototype.
7545
7546         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7547
7548         * tree-ssa-dce.c (control_dependence_map,
7549         visited_control_parents): Make them static.
7550
7551         * cfghooks.c (verify_flow_info): Remove local variable
7552         num_bb_notes.
7553
7554         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7555         last_bb_seen.
7556
7557         * loop-unswitch.c (unswitch_loop): Remove local variable src.
7558
7559 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
7560
7561         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7562
7563 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
7564
7565         * config/ia64/hpux.h (LINK_SPEC): Add -z.
7566         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7567         PARALLEL for an empty structure.
7568
7569 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7570
7571         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7572
7573         * fold-const.c (fold_binary): Unroll the very first "for"
7574         loop.
7575
7576 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
7577
7578         * config/rs6000/predicates.md (branch_comparison_operator): Remove
7579         redundant match_code test.
7580         (scc_comparison_operator): Swap match_operand and match_code
7581         tests.
7582         (branch_positive_comparison_operator): Same.
7583         (trap_comparison_operator): Use comparison_operator and swap with
7584         match_code test.
7585
7586 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7587
7588         PR target/20288
7589         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
7590         (out_movhi_r_mr): Read low byte of volatile MEM first.
7591         (out_movhi_mr_r): Write high byte of volatile MEM first.
7592
7593 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7594
7595         * cselib.c (reg_values, reg_values_size): Make them static.
7596
7597         * cse.c (cse_reg_info_table): Make it static.
7598
7599         * fold-const.c (fold_unary): Use build1 instead of copy_node.
7600
7601 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
7602
7603         * cse.c (find_best_addr): Use canon_for_address.
7604
7605 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7606
7607         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
7608         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
7609         SUBREG and MEM, respectively.
7610
7611         * fold-const.c (fold_binary): Use code instead of t.
7612
7613         * fold-const.c (optimize_minmax_comparison): Take decomposed
7614         arguments code, type, op0, and op1 instead of t.
7615         (fold_binary): Update a call to optimize_minmax_comparison.
7616
7617         * fold-const.c (fold_range_test): Take decomposed arguments
7618         code, type, op0, and op1 instead of t.
7619         (fold_binary): Update a call to fold_range_test.
7620
7621         * fold-const.c (fold_binary_op_with_conditional_arg): Take
7622         decomposed arguments code, type, op0, and op1 instead of t.
7623         (fold_binary): Update a call to fold_range_test.
7624
7625 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
7626
7627         * fold-const.c (fold_binary): Avoid directly using the original
7628         expression t as much as possible.
7629
7630 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7631
7632         * c-semantics.c (build_stmt): Use TYPE_P instead of
7633         IS_NON_TYPE_CODE_CLASS.
7634         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
7635         (NON_TYPE_CHECK): Use TYPE_P instead of
7636         IS_NON_TYPE_CODE_CLASS.
7637
7638         * fold-const.c (fold): Remove handling of binary expressions.
7639
7640 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
7641
7642         * doc/c-tree.texi: Wrap comments in @r{}.
7643         * doc/cpp.texi: Likewise.
7644         * doc/cppinternals.texi: Likewise.
7645         * doc/extend.texi: Likewise.
7646         * doc/md.texi: Likewise.
7647         * doc/objc.texi: Likewise.
7648         * doc/sourcebuild.texi: Likewise.
7649         * doc/tm.texi: Likewise.
7650         * doc/tree-ssa.texi
7651
7652 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
7653
7654         * predict.c (apply_return_prediction): Standardize PHI chain
7655         walking.
7656         * tree-ssa.c (ssa_redirect_edge): Likewise.
7657
7658         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
7659         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
7660         Update copyright.
7661
7662         * tree-phinodes.c (remove_phi_node): Drop the last argument.
7663         * tree-flow.h: Adjust the prototype for remove_phi_node.
7664         * lambda-code.c (perfect_nestify): Adjust a call to
7665         remove_phi_node.
7666         * tree-cfg.c
7667         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
7668         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
7669         Likewise.
7670         * tree-ssa-dce.c (remove_dead_phis): Likewise.
7671         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7672         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7673         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
7674
7675         * combine.c (simplify_and_const_int): Use gen_int_mode instead
7676         of GEN_INT (trunc_int_for_mode (...)).
7677         * loop-iv.c (iv_number_of_iterations): Likewise.
7678         * postreload.c (reload_cse_move2add): Likewise.
7679         * simplify-rtx.c (simplify_const_unary_operation,
7680         simplify_const_binary_operation): Likewise.
7681         * stor-layout.c (get_mode_bounds): Likewise.
7682
7683         * fold-const.c (fold_binary): New.
7684         (fold): Call fold_binary on binary expressions.
7685
7686 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
7687
7688         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
7689         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
7690         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
7691         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
7692         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
7693
7694 2005-03-04  Devang Patel  <dpatel@apple.com>
7695
7696         PR tree-optimization/18815
7697         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7698         loops with zero exit edges.
7699
7700 2005-03-04  Devang Patel  <dpatel@apple.com>
7701
7702         * doc/invoke.texi: Remove reference to webpage that does not exist.
7703
7704 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
7705             Joseph S. Myers  <joseph@codesourcery.com>
7706
7707         PR c++/19797
7708         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
7709         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
7710         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
7711         * pa.c (get_plabel): Change argument to symbol_ref.  Call
7712         maybe_get_identifier instead of get_identifier.
7713         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
7714         (struct deferred_plabel): Replace name field with symbol field.
7715         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
7716         ASM_OUTPUT_EXTERNAL_REAL is defined.
7717         (output_global_address): Use output_addr_const for output of all
7718         symbol_refs.
7719         (output_deferred_plabels): Use symbol_ref instead of name for address
7720         output.
7721         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
7722         ASM_OUTPUT_SYMBOL_REF): New macros.
7723         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
7724         comment.
7725         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
7726         label.
7727
7728 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
7729
7730         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
7731         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
7732
7733 2005-03-04  Jeff Law  <law@redhat.com>
7734
7735         * basic-block.h (rediscover_loops_after_threading): Declare.
7736         * tree-ssa-dom.c: Include cfgloop.h.
7737         (tree_ssa_dominator_optimize): Discover loops and some basic
7738         properties.  Remove forwarder blocks recreated by loop header
7739         canonicalization.  Also mark backedges in the CFG.
7740         * tree-ssa-threadupdate.c: Include cfgloop.h
7741         (rediscover_loops_after_threading): Define.
7742         (struct local_info): New field, JUMP_THREADED.
7743         (prune_undesirable_thread_requests): New function.
7744         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
7745         then record that fact for the callers of redirct_edges.
7746         (thread_block): If BB has incoming backedges, then call
7747         prune_undesirable_thraed_requests.    Note when we are
7748         going to have to rediscover loop information.  Return a
7749         boolean indicating if any jumps were threaded.
7750         (thread_through_all_blocks): Bubble up boolean indicating
7751         if any jumps were threaded.
7752         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
7753         (tree-ssa-threadupdate.o): Similarly.
7754
7755 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7756
7757         * fold-const.c (fold_ternary): Unroll the "for" loop to
7758         extract operands.
7759
7760 2005-03-04  Andrew Haley  <aph@redhat.com>
7761
7762         * unwind-dw2-fde-glibc.c (struct
7763         unw_eh_callback_data.check_cache): New field.
7764         (frame_hdr_cache): New.
7765         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
7766         Cache frame header info.
7767
7768 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
7769
7770         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
7771         (print_c_condition): Declare.
7772         * read-rtl.c (ptr_loc): New structure.
7773         (ptr_locs, ptr_loc_obstack, joined_conditions)
7774         (joined_conditions_obstack): New variables.
7775         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
7776         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
7777         (join_c_conditions, print_c_condition): New functions.
7778         (apply_macro_to_string): Associate the new string with the same
7779         source location as the old one.
7780         (add_condition_to_string): Use join_c_conditions.
7781         (read_string): Use set_rtx_ptr_loc to record a filename and line
7782         number for the string.
7783         (read_rtx): Initialize the new variables above.
7784         * genattrtab.c (write_test_expr, write_attr_value): Use
7785         print_c_condition.
7786         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
7787         comment above the GCC_VERSION check.
7788         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
7789         Inline the definition of MAYBE_EVAL.
7790         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
7791         * genoutput.c (process_template): Likewise.
7792         * genpreds.c (write_predicate_subfunction): Likewise.
7793         (write_predicate_expr): Use print_c_condition.
7794         * genrecog.c (write_cond): Likewise.
7795         * gensupport.c (process_rtx): Use join_c_conditions to join the
7796         conditions of a define_insn_and_split.  Record a source location
7797         for the string after the "&&".
7798         (alter_test_for_insn): Use join_c_conditions.
7799
7800 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
7801
7802         Revert for now:
7803         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7804         PR tree-optimization/15784
7805         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7806         and -1 - A to ~A.
7807
7808 2005-03-04  Ben Elliston  <bje@au.ibm.com>
7809
7810         * gcc.c (option_map): Add --coverage.
7811         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
7812         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
7813         * config/darwin.h: Pass -lgcov for `coverage'.
7814         * doc/invoke.texi (Debugging Options): Document --coverage.
7815
7816 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7817
7818         * gcse.c (bypass_block): Use find_edge wherever possible.
7819
7820 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
7821
7822         Fix PR debug/20253
7823
7824         * c-opts.c (c_common_parse_file): Call start_source_file
7825         and end_source_file at the approriate times.
7826
7827         * dwarf2out.c (dwarf2out_finish): Don't auto-end
7828         the main file, it will be done for us now.
7829
7830 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
7831
7832         * fold-const.c (fold_ternary): New.
7833         (fold): Call fold_ternary on ternary expressions.  Remove
7834         handling of ternary expressions.
7835
7836 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
7837
7838         PR tree-optimization/15784
7839         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7840         and -1 - A to ~A.
7841
7842 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
7843
7844         * config/rs6000/predicates.md (branch_comparison_operator):
7845         Convert from C block to conditional format.
7846
7847 2005-03-03  Jan Hubicka  <jh@suse.cz>
7848
7849         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
7850         and non-constant public variables.
7851
7852 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
7853
7854         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
7855         with LABEL_EXPR.
7856
7857         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
7858         EDGE_I.
7859
7860         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
7861         calls to release_ssa_name and release_phi_node.
7862
7863         * fold-const.c (fold): Remove handling of unary expressions.
7864
7865         * fold-const.c (fold_unary): Avoid directly using the original
7866         expression t as much as possible.
7867
7868 2005-03-03  Roger Sayle  <roger@eyesopen.com>
7869             Andrew Pinski  <pinskia@physics.uc.edu>
7870
7871         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
7872         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
7873
7874 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
7875
7876         Describe special registers SRP and MOF as allocatable registers.
7877         * config/cris/cris.c (cris_md_asm_clobbers): New function.
7878         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
7879         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
7880         TARGET_HAS_MUL_INSNS.
7881         (cris_print_operand) <case 'd'>: New case.
7882         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
7883         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
7884         define.
7885         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
7886         (REG_ALLOC_ORDER): Update for MOF.
7887         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
7888         SPECIAL_REGS.
7889         (GENERAL_REGS): No longer a define of ALL_REGS.
7890         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
7891         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7892         Adjust accordingly.
7893         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
7894         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
7895         (SECONDARY_RELOAD_CLASS): Define.
7896         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
7897         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
7898         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
7899         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
7900         (REGISTER_MOVE_COST): Define.
7901         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
7902         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
7903         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
7904         (CRIS_MOF_REGNUM): New define_constants.
7905         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
7906         special registers.
7907         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
7908         New patterns.
7909         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
7910         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
7911         Adjust for MOF being properly described as a register.
7912         (indir_to_reg_split): Name this split.  Conditionalize on the
7913         destination register being a general register.
7914         (movei): Conditionalize on on operands 0 and 1 having the same
7915         register class.
7916
7917 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
7918
7919         PR target/20277
7920         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
7921         -mcpu to override any other explicitly given flags.
7922
7923 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
7924
7925         * recog.c (verify_changes, confirm_change_group): New functions,
7926         broken out of apply_change_group.
7927         (apply_change_group): Use them.
7928         * recog.h (verify_change, confirm_change_group): Declare.
7929         * rtl.h (redirect_jump_2): Declare.
7930         * jump.c (redirect_exp, invert_exp): Delete.
7931         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
7932         (redirect_jump_2): New function, broken out of redirect_jump.
7933         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
7934         (invert_jump): Use invert_jump_1 and redirect_jump_2.
7935         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
7936
7937 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
7938
7939         * varasm.c (named_section): Use xstrdup rather than doing it by
7940         hand.
7941
7942         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
7943
7944 2005-03-02  Devang Patel  <dpatel@apple.com>
7945
7946         Undo PR tree-optimization/18815 fix.
7947
7948 2005-03-02  Devang Patel  <dpatel@apple.com>
7949
7950         PR tree-optimization/18815
7951         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
7952         loops with zero exit edges.
7953
7954 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7955
7956         * cfg.c (connect_src, connect_dest, disconnect_src,
7957         disconnct_dest): New.
7958         (unchecked_make_edge, remove_edge, redirect_edge_succ,
7959         redirect_edge_pred): Use the new functions.
7960
7961         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
7962         free_dominance_info only when needed.
7963
7964 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
7965
7966         PR target/20276
7967         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
7968         (reg_or_sub_cint64_operand): Same.
7969
7970 2005-03-02  Jeff Law  <law@redhat.com>
7971
7972         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
7973         CFG_ALTERED in the main DOM iteration loop.
7974
7975 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
7976
7977         PR c++/19916
7978         * varasm.c (initializer_constant_valid_p): Allow conversions
7979         between OFFSET_TYPEs.  Tidy.
7980
7981 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
7982
7983         * config/cris/cris.md ("return"): Remove epilogue delay list
7984         sanity check.
7985
7986 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
7987
7988         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
7989         for Thumb.
7990         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
7991
7992 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
7993
7994         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
7995         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
7996         config/m68k/m68k.c, config/mips/mips.h,
7997         config/rs6000/rs6000-protos.h, doc/contrib.texi,
7998         doc/include/gcc-common.texi: Update copyright.
7999
8000         PR middle-end/18029 and PR middle-end/18030
8001         * expr.c (optimize_bitfield_assignment_op): Add a special case
8002         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8003
8004         * fold-const.c (fold_unary): New.
8005         (fold): Call fold_unary on unary expressions.
8006
8007 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
8008
8009         * cgraph.h (struct cgraph_edge): Add prev_caller and
8010         prev_callee fields.
8011         (cgraph_node_remove_callees): Export.
8012         * cgraph.c (cgraph_create_edge): Initialize prev_caller
8013         and prev_callee.
8014         (cgraph_edge_remove_callee): New function.
8015         (cgraph_edge_remove_caller): Likewise.
8016         (cgraph_remove_edge): Use.
8017         (cgraph_redirect_edge_callee): Likewise.
8018         (cgraph_node_remove_callees): New function.
8019         (cgraph_node_remove_callers): Likewise.
8020         (cgraph_remove_node): Use.
8021         * tree-optimize.c (tree_rest_of_compilation): Use
8022         cgraph_node_remove_callees instead of manual loop.
8023         * cgraphunit.c (cgraph_finalize_function): Likewise.
8024         (cgraph_expand_function): Likewise.
8025         (cgraph_remove_unreachable_nodes): Likewise.
8026
8027 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
8028
8029         PR c/8927
8030         * c-tree.h (undeclared_variable, build_external_ref): Add extra
8031         argument.
8032         * c-decl.c (undeclared_variable): Take location as argument.
8033         * c-typeck.c (build_external_ref): Likewise.
8034         * c-parser.c (c_parser_postfix_expression): Pass location of
8035         identifier to build_external_ref.
8036
8037 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8038
8039         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8040         CCEQ mode for branch_positive_comparison_operator test.
8041         * config/rs6000/predicates (branch_comparison_operator): Revert to
8042         define_predicate.
8043         (scc_comparison_operator): Same.
8044         (branch_positive_comparison_operator): Same.
8045
8046 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
8047
8048         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8049         (cris_delay_slots_for_epilogue): Remove.
8050         (save_last): Move into cris_target_asm_function_epilogue.
8051         (cris_target_asm_function_epilogue): Remove tests for file being
8052         NULL.
8053         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8054         (cris_delay_slots_for_epilogue): Remove prototypes.
8055         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8056         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8057
8058 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8059
8060         * config/rs6000/predicates.md (branch_comparison_operator): Change
8061         to define_special_predicate.
8062         (scc_comparison_operator): Same.
8063         (branch_positive_comparison_operator): Same.
8064
8065 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
8066
8067         * Makefile.in (tree-ssa-sink.o): New.
8068         (OBJS-common): Add tree-ssa-sink.o.
8069         * common.opt: Add -ftree-sink
8070         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8071         * timevar.def (TV_TREE_SINK): new timevar.
8072         * tree-flow.h (is_hidden_global_store): Prototype.
8073         * tree-optimize.c (init_tree_optimization_passes): Add
8074         pass_sink_code.
8075         * tree-pass.h (pass_sink_code): New.
8076         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8077         for non-obvious global store store to is_hidden_global_store, and
8078         call that new function.
8079         * tree-ssa-sink.c: New file.
8080         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8081         * doc/passes.texi: Document forward store motion.
8082         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8083         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8084         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8085         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8086
8087 2005-03-01  Per Bothner  <per@bothner.com>
8088
8089         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8090         and we have a non-zero column-number, add it to the message.
8091         Also factor out the diagnostic_kind_text.
8092
8093 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8094
8095         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8096         flow_loop_pre_header_scan, flow_loop_pre_header_find,
8097         flow_loop_scan): Removed.
8098         (flow_loop_dump): Do not dump removed fields.
8099         (flow_loop_free): Do not free removed fields.
8100         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
8101         (loop_exit_edge_p): New function.
8102         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8103         num_pre_header_edges, entry_edges, num_entries, exit_edges,
8104         num_exits, exits_doms.
8105         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8106         LOOP_EDGES, LOOP_ALL): Removed.
8107         (flow_loop_scan): Declaration removed.
8108         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8109         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8110         flow_loops_find.
8111         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8112         (if_convert): Call flow_loops_find and flow_loops_free
8113         when calling mark_loop_exit_edges.
8114         * cfgloopanal.c (mark_loop_exit_edges): Moved from
8115         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
8116         free_dominance_info calls.
8117         * loop-init.c (flow_loops_find): Ditto.
8118         * passes.c (rest_of_handle_branch_prob): Ditto.
8119         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8120         * loop-unroll.c (analyze_insns_in_loop): Do not use
8121         EDGE_LOOP_EXIT.
8122         * predict.c (predict_loops): Do not call flow_loop_scan.
8123         Use get_loop_exit_edges.
8124         (tree_estimate_probability): Do not pass flags to flow_loops_find.
8125         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8126         Do not use EDGE_LOOP_EXIT.
8127         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8128         to bb_with_exit_edge_p.
8129         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
8130         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
8131         to bb_with_exit_edge_p.
8132         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
8133         EDGE_LOOP_EXIT.
8134         * tree-loop-linear.c (linear_transform_loops): Do not call
8135         flow_loop_scan.  Use loop->single_exit.
8136         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8137         (vect_analyze_loop_form): Do not call flow_loop_scan.
8138         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8139         loop->single_exit.
8140         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8141         loop->single_exit.
8142         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8143         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8144         slpeel_tree_duplicate_loop_to_edge_cfg,
8145         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8146         Use loop_preheader_edge and loop->single_exit.  Do not call
8147         flow_loop_scan.
8148
8149 2005-03-01  Nick Clifton  <nickc@redhat.com>
8150
8151         * config/arm/arm.c (thumb_find_work_register): Check all of the
8152         argument registers to see if they are free, and a couple of
8153         special cases where the last argument register but can be proved
8154         to be available during the function's prologue.
8155         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8156         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8157         thumb_unexpanded_epilogue): Use unsigned long as the type for the
8158         register bit-mask.
8159         (thumb_compute_save_reg_mask): Likewise.  Also use
8160         thumb_find_work_register() to ensure that there is agreement about
8161         which work register is going to be used in the prologue.
8162         (thumb_output_function_prologue): Use unsigned long as the type
8163         for the register bit-mask.  Also delay pushing the link register if
8164         other high registers are going to be pushed.
8165         (thumb_compute_save_reg_mask, emit_multi_reg_push,
8166         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8167         redundant prototypes.
8168
8169 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
8170
8171         PR target/19819
8172         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8173         and after reload in REG+REG indexed addresses without REG_POINTER
8174         set in the base and not set in the index.
8175
8176 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8177
8178         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8179         Don't undefine here.
8180         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8181         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8182         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8183         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8184         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8185         Delete.
8186         * config.gcc (sh*-*-linux*): Use config/linux.h.
8187
8188 2005-02-28  Dale Johannesen  <dalej@apple.com>
8189             Stan Shebs  <shebs@apple.com>
8190
8191         Rewrite of 64-bit Darwin structure-by-value pass/return.
8192         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8193         intoffset, use_stack, named.
8194         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
8195         (rs6000_darwin64_record_arg_advance_flush):  New.
8196         (rs6000_darwin64_record_arg_advance_recurse): New.
8197         (rs6000_darwin64_record_arg_flush):  New.
8198         (rs6000_darwin64_record_arg_recurse):  New.
8199         (rs6000_darwin64_record_arg):  New.
8200         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
8201         (function_arg_boundary):  Handle 128-bit aligned structs.
8202         (function_arg_advance):  Rewrite darwin64 struct handling.
8203         (function_arg):  Call rs6000_darwin64_record_arg.
8204         (function_arg_partial_nregs):  Handle darwin64 structs.
8205         (rs6000_darwin64_function_value):  Remove.
8206         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
8207
8208 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8209
8210         PR tree-optimization/20216
8211         * tree-chrec.c (tree_fold_factorial): Delete.
8212         (tree_fold_binomial): Change argument list to take a return type
8213         and change the type of K to unsigned int.  Rewrite to avoid explicit
8214         evaluation of factorials, and (recursively) calling fold to perform
8215         compile-time arithmetic.  Return NULL on (internal) overflow.
8216         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
8217         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
8218         if any intermediate calculation overflows.
8219         (chrec_apply): Update call to chrec_evaluate.
8220
8221 2005-02-28  James E Wilson  <wilson@specifixinc.com>
8222
8223         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8224
8225 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
8226
8227         PR c/20245
8228         * c-parser.c (c_parser_compound_statement): Return error_mark_node
8229         instead of NULL_TREE on error.
8230
8231 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
8232
8233         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8234         (EASY_VECTOR_15_ADD_SELF): Remove.
8235         (num_insns_constant_wide): Not static.
8236         (validate_condition_mode): Not static.
8237         (toc_relative_expr_p): Not static.
8238         (legitimate_indirect_address_p): Not static.
8239         (macho_lo_sum_memory_operand): Not static.
8240         (invalid_e500_subreg): Not static.
8241         (easy_vector_same): Not static.
8242         (easy_vector_splat_const): Not static.
8243         (RS6000_SYMBOL_REF_TLS_P): Remove.
8244         (any_operand): Delete.
8245         (any_parallel_operand): Delete.
8246         (count_register_operand): Delete.
8247         (altivec_register_operand): Delete.
8248         (xer_operand): Delete.
8249         (s8bit_cint_operand): Delete.
8250         (short_cint_operand): Delete.
8251         (u_short_cint_operand): Delete.
8252         (non_short_cint_operand): Delete.
8253         (exact_log2_cint_operand): Delete.
8254         (gpc_reg_operand): Delete.
8255         (cc_reg_operand): Delete.
8256         (cc_reg_not_cr0_operand): Delete.
8257         (reg_or_short_operand): Delete.
8258         (reg_or_neg_short_operand): Delete.
8259         (reg_or_aligned_short_operand): Delete.
8260         (reg_or_u_short_operand): Delete.
8261         (reg_or_cint_operand): Delete.
8262         (reg_or_arith_cint_operand): Delete.
8263         (reg_or_add_cint64_operand): Delete.
8264         (reg_or_sub_cint64_operand): Delete.
8265         (reg_or_logical_cint_operand): Delete.
8266         (got_operand): Delete.
8267         (got_no_const_operand): Delete.
8268         (easy_fp_constant): Delete.
8269         (easy_vector_constant): Delete.
8270         (easy_vector_constant_add_self): Delete.
8271         (zero_constant): Delete.
8272         (zero_fp_constant): Delete.
8273         (volatile_mem_operand): Delete.
8274         (offsettable_mem_operand): Delete.
8275         (mem_or_easy_const_operand): Delete.
8276         (add_operand): Delete.
8277         (non_add_cint_operand): Delete.
8278         (logical_operand): Delete.
8279         (non_logical_cint_operand): Delete.
8280         (mask_operand): Delete.
8281         (mask_operand_wrap): Delete.
8282         (mask64_operand): Delete.
8283         (mask64_2_operand): Delete.
8284         (and64_operand): Delete.
8285         (and64_2_operand): Delete.
8286         (and_operand): Delete.
8287         (reg_or_mem_operand): Delete.
8288         (lwa_operand): Delete.
8289         (symbol_ref_operand): Delete.
8290         (call_operand): Delete.
8291         (current_file_function_operand): Delete.
8292         (input_operand): Delete.
8293         (rs6000_nonimmediate_operand): Delete.
8294         (rs6000_tls_symbol_ref): Delete.
8295         (save_world_operation): Delete.
8296         (restore_world_operation): Delete.
8297         (load_multiple_operation): Delete.
8298         (store_multiple_operation): Delete.
8299         (vrsave_operation): Delete.
8300         (mfcr_operation): Delete.
8301         (mtcrf_operation): Delete.
8302         (lmw_operation): Delete.
8303         (stmw_operation): Delete.
8304         (branch_comparison_operator): Delete.
8305         (branch_positive_comparison_operator): Delete.
8306         (scc_comparison_operator): Delete.
8307         (trap_comparison_operator): Delete.
8308         (boolean_operator): Delete.
8309         (boolean_or_operator): Delete.
8310         (min_max_operator): Delete.
8311         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8312         (EASY_VECTOR_15): Moved to here.
8313         (EASY_VECTOR_15_ADD_SELF): Move to here.
8314         (PREDICATE_CODES): Delete.
8315         * config/rs6000/rs6000-protos.h: Delete predicate functions.
8316         Declare functions no longer static.
8317         * config/rs6000/predicates.md: New.
8318         * config/rs6000/rs6000.md: Include predicates.md
8319
8320 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8321
8322         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
8323         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8324         REG_ALWAYS_RETURN.
8325         * cfgrtl.c (need_fake_edge_p): Likewise.
8326         * combine.c (distribute_notes): Likewise.
8327         * emit-rtl.c (try_split): Likewise.
8328         * recog.c (peephole2_opimize): Likewise.
8329         * reg-notes.def (ALWAYS_RETURN): Remove.
8330         * rtl.h (LCT_ALWAYS_RETURN): Remove.
8331         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8332         * tree.h (ECF_ALWAYS_RETURN): Remove.
8333
8334 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8335
8336         PR middle-end/19874
8337         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8338         between different machine modes is never a "useless" conversion.
8339
8340 2005-02-28  Geert Bosch  <bosch@gnat.com>
8341
8342         PR ada/15977
8343         * doc/contrib.texi: List contributors for Ada front end
8344
8345 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8346
8347         * simplify-rtx.c (simplify_unary_operation_1,
8348         simplify_const_unary_operation): New, extracted from...
8349         (simplify_unary_operation): ... this one.
8350         (simplify_binary_operation_1,
8351         simplify_const_binary_operation): New, extracted from...
8352         (simplify_binary_operation): ... this one.
8353         * rtl.h (simplify_const_unary_operation,
8354         simplify_const_binary_operation): Add prototypes.
8355
8356 2005-02-28  Julian Brown  <julian@codesourcery.com>
8357
8358         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8359         building libjava and caused PR regression/20228.
8360
8361 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
8362
8363         PR bootstrap/17383
8364         * Makefile.in (host_subdir): New.
8365         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
8366         * configure: Regenerate.
8367
8368 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
8369
8370         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8371         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8372         installation directory first.
8373
8374 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
8375
8376         PR target/19065.
8377         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8378         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8379         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8380         * config/cris/cris.md: Tweak comments referring to Q.
8381         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8382         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8383         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8384         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8385         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8386         Insert spaces in constraints to align alternatives vertically for
8387         readability.
8388         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
8389         operand 1: "M".
8390
8391 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8392
8393         PR rtl-optimization/17728
8394         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8395         operand 0 from general_operand to move_dest_operand.
8396
8397 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8398
8399         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8400         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8401         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8402         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8403
8404 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
8405
8406         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8407         * configure: Regenerate.
8408         * libada-mk.in: Remove CC; rename
8409         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8410
8411 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
8412
8413         PR tree-opt/20188
8414         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8415         for the lhs, also walk over the tree.  Likewise for rhs.
8416
8417 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
8418
8419         * tree-ssa-dom.c (simple_iv_increment_p): New function.
8420         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8421         Do not propagate value of iv before increment over the increment.
8422
8423 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
8424
8425         * c-parser.c: New file.
8426         * c-parse.in: Remove.
8427         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8428         Remove.
8429         (c-parser.o): Add dependencies.
8430         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8431         maintainer-clean, TAGS): Update.
8432         * c-config-lang.in (gtfiles): Update.
8433         * gengtype-lex.l: Don't handle "@@".
8434         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8435         objc_build_synchronized, objc_begin_try_stmt,
8436         objc_begin_catch_clause, objc_finish_catch_clause,
8437         objc_build_finally_clause, objc_finish_try_stmt): New.
8438         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8439         type_seen_p.
8440         (c_parse_init): Update comment.
8441         * c-decl.c (c_init_decl_processing): Update comment.
8442         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8443         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8444         new c_declspecs members.
8445
8446 2005-02-25  Julian Brown  <julian@codesourcery.com>
8447
8448         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8449         from being used for symbols with vague linkage when
8450         HAVE_GAS_COMDAT_GROUP is true.
8451
8452 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8453
8454         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8455
8456 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
8457
8458         PR target/19930
8459         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8460         (LIBGCC2_HAS_DF_MODE): New.
8461         (LIBGCC2_HAS_XF_MODE): New.
8462         (LIBGCC2_HAS_TF_MODE): New.
8463         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8464         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8465         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8466         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8467         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8468         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8469         and add _fixtfdi, _fixunstfdi, _floatditf
8470         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8471         L_fixunstfdi, L_floatditf.
8472         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8473         (LIBGCC2_HAS_TF_MODE): Define.
8474
8475 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
8476
8477         PR tree-optimization/20204
8478         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8479         REWRITE_THIS_STMT markers on PHI nodes.
8480         (rewrite_initialize_block): Likewise.
8481
8482 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8483
8484         * version.c (version_string): Update to 4.1.
8485
8486 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
8487
8488         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8489         Clarify that the alternative way doesn't work in GNU C++.
8490
8491 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8492
8493         PR tree-optimization/19937
8494         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8495         to the type of the induction variable.
8496
8497 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8498
8499         PR rtl-optimization/20117
8500         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8501         the block including noncopyable insn.
8502
8503 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8504
8505         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8506         calls to find_reg_note.
8507
8508 2005-02-24  Richard Henderson  <rth@redhat.com>
8509
8510         PR tree-opt/20127
8511         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8512         the type.
8513
8514 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
8515
8516         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8517         vector types if to use base reg for misaligned non-word ld/std.
8518
8519 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8520
8521         PR target/14619
8522         * config/cris/cris.c (cris_target_asm_function_prologue): Create
8523         dwarf2 label manually and put it after, not before the prologue.
8524
8525 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
8526
8527         PR target/19019
8528         * reload.c (operands_match_p): Only increment register number for
8529         SCALAR_INT_MODE_P modes in multiple hard registers.
8530
8531         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8532         Fix formatting.
8533
8534 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8535
8536         * ChangeLog.5: Fix log message typo(s).
8537         * ChangeLog.7: Likewise.
8538         * ChangeLog.tree-ssa: Likewise.
8539         * cfgexpand.c: Fix comment typo(s).
8540         * conflict.c: Likewise.
8541         * defaults.h: Likewise.
8542         * dwarf2out.c: Likewise.
8543         * gcse.c: Likewise.
8544         * ggc-page.c: Likewise.
8545         * tree-eh.c: Likewise.
8546         * tree-ssa-dom.c: Likewise.
8547
8548 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
8549
8550         PR target/19019
8551         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8552         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8553         if SHARED is defined.
8554
8555         PR target/20196
8556         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8557         allow splitting only if operands 0 and 3 don't overlap.
8558
8559 2005-02-24  Richard Henderson  <rth@redhat.com>
8560
8561         PR middle-end/19953
8562         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8563         (fold_builtin_1): Call them.
8564         * fold-const.c (fold_complex_mult_parts): Split out from ...
8565         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
8566         (fold_complex_div_parts, fold_complex_div): New.
8567         (fold): Use them.
8568         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8569
8570 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8571
8572         * tree-ssa-ccp.c (visit_assignment): Verify that result of
8573         VIEW_CONVERT_EXPR is_gimple_min_invariant.
8574
8575         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8576         (print_node): Likewise.
8577         Print TYPE_SIZES_GIMPLIFIED.
8578
8579 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8580
8581         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8582         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8583         operands as commutative in constraints.
8584
8585 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
8586
8587         * tree-into-ssa.c: Re-organize internal functions.
8588
8589 2005-02-24  Richard Henderson  <rth@redhat.com>
8590
8591         PR middle-end/18902
8592         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
8593         for c99.
8594         * common.opt (fcx-limited-range): New.
8595         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8596         * toplev.c (flag_complex_method): Initialize to 1.
8597         (process_options): Set flag_complex_method to 0 if
8598         flag_cx_limited_range.
8599         * doc/invoke.texi (-fcx-limited-range): New.
8600
8601 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8602
8603         * cse.c (delete_trivially_dead_insns): Speed up by using
8604         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
8605         prev_real_insn.
8606
8607 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
8608
8609         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
8610         functions when -mid-shared-library is being used.
8611
8612 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
8613
8614         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
8615         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
8616         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
8617         * system.h: Poison LINK_LIBGCC_SPECIAL.
8618
8619 2005-02-23  James E Wilson  <wilson@specifixinc.com>
8620
8621         * gengtype.c (note_insn_name): Make 1 element larger.
8622
8623 2005-02-23  Roger Sayle  <roger@eyesopen.com>
8624
8625         PR target/20018
8626         PR rtl-optimization/20097
8627         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8628         BImode SUBREGs of SImode registers which confuse the ia64 backend.
8629
8630 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
8631
8632         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
8633         * t-aix52 (SHLIB_INSTALL): Same.
8634
8635 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
8636
8637         * genpreds.c: Update copyright.
8638
8639 2005-02-23  Michael Beach  <michaelb@ieee.org>
8640
8641         PR target/20159
8642         * config/sparc/t-elf (startup files): Assemble with CPP.
8643
8644 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
8645
8646         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
8647         (write_predicate_expr): Likewise.
8648
8649 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8650
8651         PR tree-optimization/20100
8652         PR tree-optimization/20115
8653         * tree-optimize.c (init_tree_optimization_passes): Remove
8654         pass_maybe_create_global_var.
8655         * tree-pass.h (pass_maybe_create_global_var): Remove.
8656         * tree-ssa-alias.c (aliases_computed_p): Declare.
8657         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
8658         (count_calls_and_maybe_create_global_var): Remove.
8659         (pass_maybe_create_global_var): Remove.
8660         (init_alias_info): Do not declare aliases_computed_p.
8661         (maybe_create_global_var): If the function contains no
8662         call-clobbered variables and a mix of pure/const and regular
8663         function calls, create .GLOBAL_VAR.
8664         Mark all call-clobbered variables for renaming.
8665         (merge_pointed_to_info): Update comment.
8666         (add_pointed_to_var): Likewise.
8667         (is_escape_site): Likewise.
8668         Accept struct alias_info * instead of size_t *.
8669         Update all users.
8670         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
8671         as necessary.
8672         * tree-ssa-operands.c (get_call_expr_operands): If
8673         ALIASES_COMPUTED_P is false, do not add call-clobbering
8674         operands.
8675         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
8676         (delete_tree_ssa): Likewise.
8677
8678 2005-02-22  James E Wilson  <wilson@specifixinc.com>
8679
8680         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
8681         (do_compile): Do call it here.
8682
8683 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8684
8685         PR rtl-optimization/20017.
8686         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
8687         rest_of_handle_cse2, rest_of_handle_gcse): Call
8688         delete_dead_jumptables immediately before calling cleanup_cfg.
8689
8690 2005-02-22  Devang Patel  <dpatel@apple.com>
8691
8692         PR 19952
8693         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
8694         all labels
8695
8696 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
8697
8698         * config/rs6000/aix.h (WINT_TYPE): Define.
8699
8700 2005-02-22  Stan Shebs  <shebs@apple.com>
8701
8702         * config/rs6000/rs6000.c (rs6000_override_options): Default to
8703         natural alignment for 64-bit Darwin.
8704         (rs6000_parse_alignment_option): Warn about uses of -malign-power
8705         on 64-bit Darwin.
8706         * doc/invoke.texi: Document this.
8707
8708 2005-02-22  DJ Delorie  <dj@redhat.com>
8709
8710         * c-common.c (c_common_type_for_mode): Pass the mode's precision
8711         to make_[un]signed_type, not the mode itself.
8712
8713 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
8714
8715         * cfg.c (cached_make_edge): Call make_edge if edge cache is
8716         not available.  Use tail calls wherever possible.
8717         (make_edge): Call unchecked_make_edge to create an edge.
8718
8719         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
8720         (coalesce_ssa_name): Don't check for
8721         SSANORM_USE_COALESCE_LIST.
8722         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
8723
8724 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
8725
8726         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
8727         (rewrite_into_ssa): ... here.
8728
8729 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
8730
8731         PR tree-optimization/19786
8732         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
8733         tag to another's may-alias bitmap when adding to the other's list.
8734
8735 2005-02-21  DJ Delorie  <dj@redhat.com>
8736
8737         * tree-ssa-loop-ivopts.c (computation_cost): Start register
8738         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
8739         registers in unsupported ways.
8740         * expmed.c (init_expmed): Likewise.
8741
8742 2005-02-21  Stan Cox  <scox@redhat.com>
8743
8744         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
8745
8746 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8747
8748         * tree-cfg.c (fold_cond_expr_cond): New.
8749         (make_edges): Call fold_cond_expr_cond.
8750         (find_taken_edge): Accept nothing but INTEGER_CST.
8751         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
8752         and 1.
8753         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
8754
8755         * flow.c (delete_dead_jumptables): Speed up by scanning insns
8756         that do not belong to any basic block.
8757
8758 2005-02-21  Jeff Law  <law@redhat.com>
8759
8760         * cfganal.c (find_unreachable_blocks): Manually CSE load of
8761         e->dest.
8762
8763 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
8764
8765         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
8766         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
8767         Adjust their definitions.
8768         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
8769         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
8770
8771         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
8772         genautomata.c, langhooks.c, langhooks.h, system.h,
8773         config/arm/lib1funcs.asm: Update copyright.
8774
8775 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8776
8777         * dbxout.c (dbxout_function_end): Emit Lscope label always.
8778
8779 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
8780
8781         PR bootstrap/13770
8782         * doc/install.texi: Document --with-gc.
8783
8784 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
8785
8786         * simplify-rtx.c (simplify_unary_operation): Add a missing
8787         "break" statement.
8788
8789 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8790
8791         PR tree-optimization/18663
8792         * tree-ssa-dom.c (extract_range_from_cond): Return 0
8793         if the type has variable bounds.
8794
8795 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
8796
8797         * gcse.c: Remove an obsolete comment.
8798
8799         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
8800
8801 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
8802
8803         * doc/extend.texi (Function Attributes) <Attribute const>: The
8804         attribute "pure" is below this text, not above.
8805
8806 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8807
8808         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
8809         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
8810         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
8811
8812 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
8813
8814         PR 18785
8815         * langhooks.h (struct lang_hooks): Add to_target_charset.
8816         * langhooks.c (lhd_to_target_charset): New function.
8817         * langhooks-def.h: Declare lhd_to_target_charset.
8818         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
8819         (LANG_HOOKS_INITIALIZER): Update.
8820         * c-common.c (c_common_to_target_charset): New function.
8821         * c-common.h: Declare it.
8822         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
8823         c_common_to_target_charset.
8824
8825         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
8826         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
8827         Delete definitions.
8828         * system.h: Poison them.
8829         * doc/tm.texi: Don't discuss them.
8830         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
8831         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
8832         (pp_c_char): Do not attempt to generate letter escapes for
8833         newline, tab, etc.
8834         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
8835         * config/mips/mips.c (mips_output_ascii): Likewise.
8836
8837 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
8838
8839         PR tree-optimization/19951
8840         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
8841         is abnormal.
8842
8843 2005-02-19  Steven Bosscher  <stevenb@suse.de>
8844
8845         PR middle-end/19698
8846         * function.h (struct function): New field `max_loop_depth'.
8847         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
8848         (flow_loops_find): Reset the max loop depth count before finding loops.
8849         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
8850         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
8851         (calculate_global_regs_live): Make sure the loop will terminate
8852         when the initial sets are not empty.
8853
8854 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
8855
8856         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
8857         object inside.
8858         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
8859
8860 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
8861
8862         PR other/19525
8863         * doc/invoke.texi: Remove documentation of %M spec.
8864         * gcc.c: Likewise.
8865         (init_spec): Remove %M suffix from -lgcc_s.
8866         (do_spec_1): Remove 'M' case.
8867         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
8868         to put shared libraries in the multilib directory.  Remove the
8869         shlib_so_soname substitution variable.  Don't add a multilib encoding
8870         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
8871         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
8872         SHLIB_INSTALL as well as SHLIB_LINK.
8873         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
8874         (SHLIB_NAME): Delete.
8875         (SHLIB_DIR): New macro.
8876         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
8877         (SHLIB_INSTALL): Adjust accordingly.
8878         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
8879         * config/t-slibgcc-sld: Likewise.
8880         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
8881         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
8882         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
8883         in $(SHLIB_DIR).
8884         (SHLIBUNWIND_INSTALL): Adjust accordingly.
8885         * config/i386/t-nwld (SHLIB_SONAME): Delete.
8886         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
8887         Use @shlib_base_name@ instead of @shlib_so_name@.
8888         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
8889         and @shlib_base_name@.so in @multilib_dir@.
8890         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
8891         to the install path.
8892         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
8893         (SHLIB_LINK): Remove previous workaround.
8894         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
8895         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
8896         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
8897         the install path.
8898         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
8899         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
8900         (SHLIB_INSTALL): Adjust accordingly.
8901         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
8902         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
8903         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
8904         config/t-slibgcc-elf-ver.
8905
8906 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
8907             Jakub Jelinek  <jakub@redhat.com>
8908
8909         PR tree-optimization/19828
8910         * tree-ssa-loop-im.c: Add a TODO comment.
8911         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
8912         without side-effects.
8913
8914 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8915
8916         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
8917         call fold_convert.
8918
8919 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
8920
8921         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
8922         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
8923         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
8924         functions.
8925         (ia64_reorg): Delete fixup_errata call.
8926         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
8927         (TARGET_SWITCHES): Delete -mb-step entry.
8928
8929 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
8930
8931         PR c/20043
8932         * c-typeck.c (composite_type): Handle quals in transparent unions.
8933         (type_lists_compatible_p): Likewise.
8934
8935 2005-02-18  Stan Shebs  <shebs@apple.com>
8936
8937         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
8938         expressions in the .literal8 section.
8939
8940 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
8941
8942         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
8943
8944 2005-02-18  Roger Sayle  <roger@eyesopen.com>
8945
8946         * fold-const.c (constant_boolean_node): Always create values of the
8947         specified type, don't bother calling truthvalue_conversion.
8948
8949 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8950
8951         * except.c (output_function_exception_table): Call
8952         assemble_external_libcall (eh_personality_libfunc).
8953
8954 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
8955
8956         PR target/19886
8957         * config/ia64/ia64.h (struct machine_function): Add state_num.
8958         * config/ia64/ia64.c (process_epilogue,
8959         process_for_unwind_directive): Use new unwind state numbers each
8960         time rather than state 1.
8961
8962 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
8963
8964         PR target/20054
8965         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
8966         before the "*llgt_didi" pattern.
8967
8968 2005-02-18  Jason Merrill  <jason@redhat.com>
8969
8970         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
8971
8972 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
8973
8974         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
8975         (div0): Use it in place of ARM_FUNC_ALIAS.
8976         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
8977
8978 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
8979
8980         PR middle-end/20030
8981         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
8982         access, the lower bound of the array type if it exists.
8983
8984 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
8985
8986         PR c++/20008
8987         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
8988         cases that are out-of-range for the index type.
8989
8990 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
8991
8992         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
8993         (estimate_case_costs): Don't call convert.
8994         * expmed.c (expand_shift): Likewise.
8995         (make_tree): Call fold_convert instead of convert.
8996
8997 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
8998
8999         PR c++/19813
9000         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9001         that ref to be marked MEM_READONLY_P doesn't have base that needs
9002         constructing.
9003
9004 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9005
9006         * genautomata.c (output_get_cpu_unit_code_func,
9007         output_cpu_unit_reservation_p): Don't generate old-style function
9008         definitions.
9009
9010 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9011
9012         PR c++/20023
9013         PR tree-optimization/20009
9014         * convert.c (convert_to_integer): Revert 2005-02-16 change.
9015
9016         PR tree-optimization/18947
9017         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9018         inline, remove all nodes that are inlined into the extern inline
9019         being redefined.
9020
9021 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9022
9023         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9024         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9025         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9026         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9027         Update copyright.
9028
9029 2005-02-17  Roger Sayle  <roger@eyesopen.com>
9030
9031         PR tree-optimization/19917
9032         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9033         to be potentially trapping.
9034
9035 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9036
9037         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9038
9039 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9040
9041         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9042         tem becomes a local variable which is set to the value of the
9043         back end defined INITIAL_FRAME_ADDRESS macro.
9044         (expand_builtin_frame_address): Omit the base parameter to
9045         expand_builtin_return_addr.
9046         (expand_builtin_profile_func): Likewise.
9047         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9048         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9049         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9050
9051 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
9052
9053         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9054         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9055         * config/frv/frv.c (frv_function_epilogue): Likewise.
9056
9057 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
9058
9059         * lambda-code (perfect_nestify): Remove mark/unmark
9060         for rewriting hack.
9061         * tree-loop-linear.c (linear_transform_loops): Add
9062         rewrite_into_ssa call so that ssa is correct for
9063         rewriting into loop closed.
9064
9065 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
9066
9067         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9068         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9069         BITMAP_FREE.
9070         * bt-load.c (btr_def_live_range, combine_btr_defs,
9071         migrate_btr_def, migrate_btr_defs): Likewise.
9072         * cfgcleanup.c (thread_jump): Likewise.
9073         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9074         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9075         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9076         df_rd_local_compute, df_reg_info_compute): Likewise.
9077         * dominance.c (init_dom_info, free_dom_info): Likewise.
9078         * flow.c (init_propagate_block_info,
9079         free_propagate_block_info): Likewise.
9080         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9081         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9082         modify_reg_pav): Likewise.
9083         * loop-invariant.c (find_defs, find_invariant_insn,
9084         find_invariants, free_inv_motion_data): Likewise.
9085         * predict.c (tree_predict_by_opcode,
9086         estimate_bb_frequencies): Likewise.
9087         * stmt.c (expand_case): Likewise.
9088         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9089         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9090         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9091         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9092         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9093         rewrite_ssa_into_ssa): Likewise.
9094         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9095         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9096         analyze_edges_for_bb, perform_edge_inserts): Likewise.
9097         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9098         * tree-sra.c (tree_sra): Likewise.
9099         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9100         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9101         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9102         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9103         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9104         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9105         Likewise.
9106         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9107         calculate_live_on_entry, calculate_live_on_exit,
9108         build_tree_conflict_graph): Likewise.
9109         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9110         record_important_candidates, set_use_iv_cost, find_depends,
9111         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9112         tree_ssa_iv_optimize_finalize): Likewise.
9113         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9114         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9115         tree_duplicate_loop_to_header_edge): Likewise.
9116         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9117         * tree-ssa.c (verify_flow_insensitive_alias_info,
9118         verify_name_tags, verify_ssa, init_tree_ssa,
9119         delete_tree_ssa): Likewise.
9120         * tree-ssanames.c (marked_ssa_names, init_ssanames,
9121         fini_ssanames): Likewise.
9122         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9123
9124 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
9125
9126         * config/rs6000/t-rtems: Completely reworked.
9127
9128 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9129
9130         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9131
9132 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9133
9134         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9135         POINTER_TYPE_P when checking that type is a pointer.
9136         (vect_get_memtag): Remove.
9137         (vect_address_analysis): Use POINTER_TYPE_P. Call
9138         vect_object_analysis with dummy parameter for memtag.
9139         (vect_object_analysis): Extract memtag (functionality that
9140         used to be in vect_get_memtag and moved here). Fix printings.
9141         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9142         with correct parameters. Remove call to vect_get_memtag.
9143
9144 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
9145
9146         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9147         (tree-vectorizer.o): Added missing dependencies.
9148
9149         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9150         decleration.
9151         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9152         declaration in tree-vectorizer.c, now has an extern declaration in
9153         tree-vectorizer.h).
9154         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9155         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9156         get_vectype_for_scalar_type, vect_is_simple_use,
9157         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9158         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9159         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9160         vectorizable_store, vectorizable_operation, vectorizable_assignment,
9161         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9162         find_loop_location): Likewise.
9163
9164         * tree-vectorizer.c (langhooks.h): #include removed.
9165         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9166         moved to tree-vectorized.h.
9167         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9168         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9169         get_vectype_for_scalar_type, vect_is_simple_use,
9170         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9171         vect_supportable_dr_alignment, new_loop_vec_info,
9172         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9173         vect_set_verbosity_level, find_loop_location): Likewise.
9174
9175         (vect_analyze_loop): Function externalized. Declaration moved to
9176         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9177         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9178         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9179         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9180         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9181         vect_enhance_data_refs_alignment, vect_analyze_operations,
9182         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9183         vect_stmt_relevant_p, vect_get_loop_niters,
9184         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9185         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9186         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9187         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9188         vect_get_memtag): Likewise.
9189
9190         (vectorizable_load): Function externalized. Declaration moved to
9191         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9192         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9193         vect_transform_loop): Likewise.
9194         (vect_transform_stmt): Moved to tree-vect-transform.c.
9195         (vect_align_data_ref, vect_create_destination_var,
9196         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9197         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9198         vect_get_vec_def_for_operand, vect_init_vector,
9199         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9200         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9201         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9202         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9203         vect_do_peeling_for_loop_bound): Likewise.
9204
9205         * tree-vect-analyze.c: New file.
9206         * tree-vect-transform.c: New file.
9207
9208 2005-02-17  Jason Merrill  <jason@redhat.com>
9209
9210         PR mudflap/19319, c++/19317
9211         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9212         slot explicit.
9213
9214 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
9215
9216         * doc/install.texi (Specific): Update link for Darwin-specific
9217         tool binary site.
9218
9219 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
9220
9221         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9222         constant_boolean_node.
9223
9224 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
9225
9226         PR target/19019
9227         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9228         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9229
9230 2005-02-16  Richard Henderson  <rth@redhat.com>
9231
9232         PR 19920
9233         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9234         with W_TYPE_SIZE.
9235         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9236         replace uses with Wtype_MAXp1_F.
9237         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9238         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9239         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9240         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9241         and HAVE_TFMODE as appropriate.
9242         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9243         (__floatdisf): Likewise.
9244         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9245         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9246         (Wtype_MAXp1_F): New.
9247         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9248         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9249
9250 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
9251
9252         * PR target/19162
9253         * arm.c (arm_apply_result_size): New function.
9254         * arm.h (APPLY_RESULT_SIZE): Define.
9255         * arm-protos.h (arm_apply_result_size): Add prototype.
9256         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9257         (movxf): New expand.
9258         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9259         (call_value_symbol): Remove predicate for operand 0.
9260         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9261         (untyped_call): Rework to correclty return values for any type.
9262         (untyped_return): New expand.
9263         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9264
9265 2005-02-16  Stan Shebs  <shebs@apple.com>
9266
9267         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9268         * config/rs6000/t-darwin8: New, for 64-bit multilib.
9269
9270 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9271
9272         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9273         configure settings on Solaris 7 and later.
9274
9275 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
9276
9277         PR tree-optimization/19865
9278         * tree-optimize.c (init_tree_optimization_passes): Run
9279         pass_may_alias after pass_sra.
9280
9281 2005-02-16  Richard Henderson  <rth@redhat.com>
9282             Stuart Hastings  <stuart@apple.com>
9283
9284         PR debug/19521
9285         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9286         Do nothing if debug info suppressed for this function.
9287         (dbxout_begin_function): Early exit if debug info suppressed for
9288         this function.
9289
9290 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9291
9292         PR target/20007
9293         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9294         find_basic_blocks.
9295         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9296
9297         PR tree-optimization/19967
9298         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9299         expand_builtin_strchr, expand_builtin_strrchr): Take a new
9300         argument TYPE.  Adjust calls to fold_builtin_XXX.
9301         (expand_builtin, fold_builtin_1): Adjust calls to
9302         expand_builtin_XXX.
9303         (fold_builtin_strchr, fold_builtin_strpbrk,
9304         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9305         result to a requested type TYPE.
9306
9307 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
9308
9309         PR middle-end/19857
9310         * fold-const.c (fold): Don't optimize (T)(x & cst) to
9311         (T)x & (T)cst if (T)cst overflows.
9312         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9313         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9314
9315 2005-02-15  Jeff Law  <law@redhat.com>
9316
9317         * gcse.c (blocks_with_calls): New bitmap.
9318         (alloc_gcse_mem): Allocate it.
9319         (free_gcse_mem): Free it.
9320         (clear_modifY_mem_tables): Clear it.
9321         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9322         when we encounter CALL_INSNs.
9323         (compute_transp, case MEM): Handle blocks with calls separate
9324         from blocks without calls.  Use bitmap iterators rather than
9325         FOR_EACH_BB.
9326
9327 2005-02-15  Peter O'Gorman  <peter@pogma.com>
9328
9329         PR bootstrap/18810
9330         * mklibgcc.in (vis_hide): Use a temporary object file, not
9331         -o /dev/null.
9332
9333 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9334
9335         PR target/19924
9336         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9337         access optimization.
9338
9339 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
9340             Alan Modra  <amodra@bigpond.net.au>
9341
9342         PR target/19019
9343         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9344         (_xlqsub): Rename to __gcc_qsub.
9345         (_xlqmul): Rename to __gcc_qmul.
9346         (_xlqdiv): Rename to __gcc_qdiv.
9347         Provide versioned symbol aliases with old names.
9348         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9349         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9350         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9351         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9352         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9353
9354 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9355
9356         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
9357         Fold ~(A - 1) and ~(A + -1) to -A.
9358
9359 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9360
9361         PR pch/14940
9362         PR target/19300
9363         * config/host-linux.c (linux_gt_pch_use_address): Copy from
9364         config/pa/pa-host.c:pa_gt_pch_use_address.
9365
9366 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
9367
9368         * tree-vn.c (get_value_handle): Make sure that given an
9369         is_gimple_min_invariant expression, we always return it.
9370
9371 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9372
9373         * passes.c (rest_of_handle_gcse): Fix a comment.
9374
9375 2005-02-15  Jeff Law  <law@redhat.com>
9376
9377         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9378         bitmap.
9379         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9380         (canon_list_insert, record_last_mem_set_info): Similarly.
9381         (clear_modify_mem_tables): Similarly.
9382
9383 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9384
9385         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9386         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9387         config/mips/mips.md, config/rs6000/aix.h,
9388         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9389
9390 2005-02-15  Richard Henderson  <rth@redhat.com>
9391
9392         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9393         call to be best_edge.
9394
9395 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9396
9397         * basic-block.h: Adjust the prototype for find_basic_blocks.
9398         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9399         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9400         find_basic_blocks.
9401
9402         * flow.c (recompute_reg_usage): Remove all arguments.
9403         * passes.c (rest_of_compilation): Adjust the call to
9404         recompute_reg_usage.
9405         * rtl.h: Adjust the prototype for recompute_reg_usage.
9406
9407 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
9408
9409         * tree-dump.c (dump_files): Update to reflect new member
9410         of dump_file_info.
9411         (dump_register): Add new argument.
9412         Set glob name.
9413         (dump_switch_p_1): Check against glob name if doglob was passed.
9414         (dump_switch_p): Check against regular first, then glob if
9415         we didn't have any hits on the dump name.
9416         * tree-optimize.c (register_one_dump_file):
9417         Pass in glob name as well.
9418         * tree-pass.h (struct dump_file_info): Add glob
9419         member.
9420
9421 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
9422
9423         PR preprocessor/16323
9424         * doc/invoke.texi: Document that -Wendif-labels is on by default.
9425
9426 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
9427
9428         PR target/19019
9429         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9430         (trunctfdf2_internal1): New.
9431         (trunctfdf2_internal2): Renamed from trunctfdf2.
9432
9433 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
9434
9435         PR tree-optimization/19853
9436         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9437
9438 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9439
9440         * passes.c (rest_of_handle_loop_optimize): Remove calls to
9441         delete_dead_jumptables and cleanup_cfg.
9442
9443 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
9444
9445         * reload.c (find_reloads): Swap address_reloaded flags when
9446         swapping commutative operands.
9447
9448 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
9449
9450         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9451         Use standard_iv_increment_position for computing the bsi position
9452         for create_iv.
9453         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9454         the bsi position.
9455
9456 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
9457
9458         PR target/17428
9459         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9460         life range of hard registers.
9461         * value-prof.c (insn_prefetch_values_to_profile): Only
9462         scan normal insns.
9463
9464         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9465         profile in libcalls.
9466
9467 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
9468
9469         * bitmap.h (bitmap_and_compl_into): Return bool.
9470         * bitmap.c (bitmap_and_compl_into): Return changed flag.
9471
9472 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9473
9474         PR tree-optimization/19944
9475         * fold-const.c (fold): Re-add ABS_EXPR folding.
9476
9477 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
9478
9479         PR target/19019
9480         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9481         {TARGET,MASK}_XL_COMPAT.
9482         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
9483         MASK_XL_COMPAT.
9484         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9485         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9486         TARGET_XL_COMPAT.
9487         (rs6000_arg_partial_bytes): Same.
9488         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9489         and XL compatibility enabled.
9490         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9491         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9492         test to final condition.
9493         (cmptf_internal2): New.
9494         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9495         xl-compat.  Add TFmode information to description.
9496
9497 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
9498
9499         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9500
9501 2005-02-13  Jason Merrill  <jason@redhat.com>
9502
9503         PR c++/16405
9504         * fold-const.c (fold_indirect_ref_1): Split out from...
9505         (build_fold_indirect_ref): Here.
9506         (fold_indirect_ref): New fn.
9507         * tree.h: Declare it.
9508         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9509         (gimplify_modify_expr_rhs): Likewise.
9510         (gimplify_expr): Likewise.
9511
9512 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9513
9514         PR tree-optimization/14303
9515         PR tree-optimization/15784
9516         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9517         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
9518         ABS_EXPR<x> != 0 to x != 0.
9519
9520 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
9521
9522         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9523         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
9524         spelling conventions.
9525
9526         * passes.c (rest_of_handle_gcse): Don't run cse_main and
9527         delete_trivially_dead_insns too many times.
9528
9529         * passes.c (rest_of_handle_gcse): Remove dead assignments to
9530         tem and tem2.
9531
9532 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9533
9534         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9535         (vect_is_simple_iv_evolution): Remove redundant parameter
9536         and step check.
9537         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9538         without last parameter.
9539         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9540         Return pointer step. Call vect_is_simple_iv_evolution without
9541         last parameter. Check only that the step is multiple of size
9542         type. Remove stmt_vinfo updates.
9543         (vect_get_memtag_and_dr): Remove.
9544         (vect_get_memtag): New function.
9545         (vect_address_analysis): New function.
9546         (vect_object_analysis): New function.
9547         (vect_analyze_data_refs): Call vect_object_analysis and
9548         vect_get_memtag. Update stmt_vinfo fields.
9549
9550 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9551
9552         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9553         exist and are objects. Remove checks for pointer.
9554         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9555         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9556         (vect_create_data_ref_ptr): Likewise.
9557         (vect_base_addr_differ_p): New function.
9558         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9559         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9560         Don't set the DR_BASE_NAME field of data-ref.
9561         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9562
9563 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
9564
9565         * optabs.h (enum optab_index): Add new OTI_ldexp.
9566         (ldexp_optab): Define corresponding macro.
9567         * optabs.c (init_optabs): Initialize ldexp_optab.
9568         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9569         patterns.
9570         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9571         using ldexp_optab.
9572         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9573         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9574
9575         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9576         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9577         intrinsics.
9578
9579 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9580
9581         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9582         to base_address.
9583         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
9584         stmt_vec_info.
9585         (vect_get_base_and_offset): Always return an address.
9586         (vect_create_addr_base_for_vector_ref): Remove treatment for
9587         different data reference types.
9588         (vect_compute_data_ref_alignment): Rename base to base_address in
9589         stmt_vec_info. Get the object in order to force its alignment.
9590         (vect_get_memtag_and_dr): Rename base to base_address in
9591         stmt_vec_info. Extract the object for memtag analysis.
9592
9593 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
9594
9595         PR regression/19898.
9596         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
9597         changes cc_status, use apply modified_in_p to part of cc_status
9598         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
9599         body.
9600
9601 2005-02-11  Richard Henderson  <rth@redhat.com>
9602
9603         * tree-complex.c (expand_complex_libcall): New.
9604         (expand_complex_multiplication): Use it for c99 compliance.
9605         (expand_complex_division): Likewise.
9606         * fold-const.c (fold_complex_add, fold_complex_mult): New.
9607         (fold): Call them.
9608         * builtins.c (built_in_names): Remove const.
9609         * tree.c (build_common_builtin_nodes): Build complex arithmetic
9610         builtins.
9611         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
9612         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
9613         (built_in_names): Remove const.
9614         * c-common.c (c_common_type_for_mode): Handle complex modes.
9615         * flags.h, toplev.c (flag_complex_method): Rename from
9616         flag_complex_divide_method.
9617         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
9618         __mulsc3, __muldc3, __mulxc3, __multc3): New.
9619         * libgcc2.h: Declare them.
9620         * libgcc-std.ver: Export them.
9621         * mklibgcc.in (lib2funcs): Build them.
9622
9623 2005-02-11  Steven Bosscher  <stevenb@suse.de>
9624
9625         PR tree-optimization/19876
9626         Partially revert my change from 2005-01-14
9627         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
9628         (compute_antic): ...and remove the loop here.
9629
9630 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
9631
9632         PR middle-end/19858
9633         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
9634         is number of inner's bits, avoid creating a BIT_FIELD_REF.
9635
9636         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
9637         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
9638
9639 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
9640
9641         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
9642         offsets for the big-endian 32-bit case.
9643
9644 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
9645
9646         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
9647
9648 2005-02-11  Dale Johannesen  <dalej@apple.com>
9649
9650         * cselib.c (cselib_process_insn):  Clear out regs where
9651         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
9652         * reload.c (find_equiv_reg): Ditto.
9653
9654 2005-02-11  Ian Lance Taylor  <ian@airs.com>
9655
9656         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
9657         with no elements.
9658
9659         * tree.c (build_function_type_list): Work correctly if there are
9660         no arguments.
9661
9662 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
9663
9664         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
9665         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
9666         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
9667         TARGET_ZARCH instead of TARGET_64BIT.
9668
9669 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
9670
9671         * config/rs6000/t-rtems:
9672         (MULTILIB_OPTIONS): Remove mcpu=602.
9673         (MUTLILIB_DIRNAMES): Remove m602.
9674         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
9675         Let mcpu=602 match mcpu=603.
9676         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
9677
9678 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9679
9680         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
9681         signal trampolines.
9682
9683 2005-02-10  David Daney  <ddaney@avtrex.com>
9684
9685         * config/alpha/linux-unwind.h: Add exception clause to copyright.
9686         * config/i386/linux-unwind.h: Likewise.
9687         * config/ia64/linux-unwind.h: Likewise.
9688         * config/mips/linux-unwind.h: Likewise.
9689         * config/pa/linux-unwind.h: Likewise.
9690         * config/rs6000/linux-unwind.h: Likewise.
9691         * config/s390/linux-unwind.h: Likewise.
9692         * config/sh/linux-unwind.h: Likewise.
9693         * config/sparc/linux-unwind.h: Likewise.
9694
9695 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9696
9697         PR tree-optimization/17549
9698         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
9699         TER to replace a DEF with its expression if the DEF and the
9700         rhs of the expression we replace into have the same root
9701         variable.
9702
9703 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
9704
9705         * config/mips/mips.md: Fix the placement of the match_scratch in the
9706         lea64 peephole2.
9707
9708 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9709
9710         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
9711         Fix comment typos.
9712
9713 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
9714
9715         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
9716         (strip_offset): Handle addresses.
9717         (add_address_candidates): Use strip_offset.
9718         (difference_cost): Reflect strip_offset change.
9719         (force_var_cost, difference_cost): Strip nops.
9720
9721 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
9722
9723         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
9724
9725         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
9726         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
9727         config/cris/cris-protos.h, config/cris/cris.c: Update
9728         copyright.
9729
9730 2005-02-10  Jeff Law  <law@redhat.com>
9731
9732         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
9733         (lookup_avail_expr): Similarly.
9734
9735 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
9736
9737         * builtins.c (fold_builtin_powi): New function.
9738         (fold_builtin_1): Call it.
9739
9740 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9741
9742         PR documentation/19309
9743         * doc/cpp.texi: The __GNUC__ and related predefined macros
9744         are also defined for the "standalone" cpp.
9745         Some non-GCC compilers may also define __GNUC__.
9746
9747 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
9748
9749         PR c/19342
9750         * c-typeck.c (common_type): New routine.  Old common_type renamed
9751         to...
9752         (c_common_type): ...this.
9753         (build_conditional_expr, build_binary_op): Use c_common_type instead
9754         of common_type.
9755
9756 2005-02-10  Steven Bosscher  <stevenb@suse.de>
9757
9758         * doc/md.texi: Replace @samp{length} with @code{length}.
9759
9760 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
9761
9762         PR tree-optimization/18687
9763         * tree-flow.h (find_loop_niter): Declare.
9764         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
9765         Try using scev even for loops with more than one exit.
9766         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
9767         (struct ivopts_data): Added niters field.
9768         (struct nfe_cache_elt): New.
9769         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
9770         functions.
9771         (tree_ssa_iv_optimize_init): Initialize niters cache.
9772         (determine_number_of_iterations): Removed.
9773         (find_induction_variables): Do not call determine_number_of_iterations.
9774         Access niters for single exit through niter_for_single_dom_exit.
9775         (add_iv_outer_candidates): Access niters for single exit through
9776         niter_for_single_dom_exit.
9777         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
9778         number_of_iterations_cond.
9779         (iv_period): New function.
9780         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
9781         (may_replace_final_value): Take data argument.  Use
9782         niter_for_single_dom_exit.
9783         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
9784         (rewrite_use_compare): Pass data to may_eliminate_iv.
9785         (rewrite_use_outer): Pass data to may_replace_final_value.
9786         (free_loop_data): Clean up the niters cache.
9787         (tree_ssa_iv_optimize_finalize): Free the niters cache.
9788         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
9789         * tree-ssa-loop-niter.c (find_loop_niter): New function.
9790         (find_loop_niter_by_eval): Use tree_int_cst_lt.
9791         (num_ending_zeros): Moved to tree.c.
9792         * tree.h (num_ending_zeros): Declare.
9793         * tree.c (num_ending_zeros): Moved from tree.c.
9794
9795 2005-02-09  Richard Henderson  <rth@redhat.com>
9796
9797         * builtins.c (DEF_BUILTIN): Add COND argument.
9798         * tree.h (DEF_BUILTIN): Likewise.
9799         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
9800         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
9801         match.
9802         (DEF_BUILTIN_STUB): New.
9803         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
9804         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
9805         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
9806         * c-common.c (DEF_BUILTIN): Add COND argument.
9807         * tree.c (local_define_builtin): New.
9808         (build_common_builtin_nodes): New.
9809
9810 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9811
9812         * fold-const.c (fold_strip_sign_ops): New function to simplify a
9813         floating point expression ignoring the sign of the result.
9814         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
9815         (fold) <MULT_EXPR>: Use it to simplify x*x.
9816         * tree.h (fold_strip_sign_ops): Prototype here.
9817         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
9818         argument.  Use fold_strip_sign_ops to simplify the first argument.
9819         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
9820         first argument when the second argument is an even integer
9821         constant, but only with -funsafe_math_optimizations.
9822         (fold_builtin_1): Update call to fold_builtin_copysign.
9823
9824 2005-02-09  Ian Lance Taylor  <ian@airs.com>
9825
9826         PR middle-end/19583
9827         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
9828         just check whether EH_FILTER_FAILURE falls through.
9829
9830 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
9831
9832         * gcc/haifa-sched.c (schedule_block): Make queued sched group
9833         insns return to ready list in the next turn.
9834
9835 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9836
9837         PR middle-end/19402
9838         * builtins.def: New __builtin_powi[lf].
9839         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
9840         (expand_builtin_powi): New function.
9841         (expand_builtin): Dispatch to expand_builtin_powi.
9842         * libgcc2.h: Add prototypes for __builtin_powi[lf].
9843         * libgcc2.c: Add __builtin_powi[lf] implementation.
9844         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
9845         * optabs.h: Add powi_optab.
9846         * optabs.c (init_optabs): Initialize powi_optab.
9847         * doc/extend.texi: Document __builtin_powi[lf].
9848
9849 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
9850
9851         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
9852         exists.
9853
9854 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
9855
9856         PR middle-end/19854
9857         * fold-const.c (try_move_mult_to_index): Remove redundant
9858         type argument.  Create ADDR_EXPR with correct type.
9859         (fold): Update callers of try_move_mult_to_index.  Convert
9860         result to the appropriate type.
9861
9862 2005-02-09  Roger Sayle  <roger@eyesopen.com>
9863
9864         PR target/19597
9865         * config/avr/avr.c (default_rtx_costs): Delete.
9866         (avr_operand_rtx_cost): New function.
9867         (avr_rtx_costs): Completely rewrite.
9868
9869 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
9870
9871         PR target/19806
9872         * config/cris/cris.c (in_code): New variable.
9873         (cris_output_addr_const): Now a static function, a wrapper for
9874         output_addr_const.
9875         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
9876         case from old cris_output_addr_const.
9877         (cris_asm_output_label_ref): Similar for LABEL_REF.
9878         (cris_output_addr_const_extra): Similar for UNSPEC.
9879         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
9880         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
9881         * config/cris/cris-protos.h (cris_output_addr_const): Remove
9882         declaration.
9883         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
9884         (cris_asm_output_label_ref): Declare.
9885
9886 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
9887
9888         PR preprocessor/19801
9889         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
9890         filenames that changed when libcpp was moved to the toplevel.
9891
9892 2005-02-07  Roger Sayle  <roger@eyesopen.com>
9893
9894         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9895         zero extensions of BImode operands.  Call lowpart_subreg instead
9896         of gen_lowpart_common and gen_lowpart_SUBREG.
9897
9898 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
9899
9900         PR ada/19489
9901         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
9902         * configure.ac: Set cc_for_cross_gnattools.
9903         * configure: Regenerate.
9904
9905 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
9906
9907         PR target/19803
9908         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
9909
9910 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9911
9912         PR debug/19327
9913         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
9914         of nested functions.
9915
9916 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
9917
9918         * doc/extend.texi: Document deprecated extensions allowing
9919         static floating-point members to have initializers and allowing
9920         floating-point literals in integral constant expressions.
9921
9922 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
9923
9924         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
9925         config/darwin7.h, config/mips/mips.c,
9926         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
9927         Update copyright.
9928
9929         * cse.c: Update comments.
9930
9931 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
9932
9933         PR middle-end/19775
9934         * builtins.c (fold_builtin_sqrt): Transform
9935         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
9936         pow(x,y*0.5).
9937
9938 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
9939             Dorit Naishlos  <dorit@il.ibm.com>
9940
9941         * doc/invoke.texi (ftree-vectorizer-verbose): New.
9942         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
9943         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
9944         was added.
9945         * tree.h (vect_set_verbosity_level): New extern function declaration
9946         added.
9947         * tree-vectorizer.h (verbosity_levels): New enum type.
9948         * tree-vectorizer.c (vect_debug_stats): Function removed.
9949         (vect_debug_details): Likewise.
9950         (vect_verbosity_level): Global variable was defined and initialized.
9951         (vect_dump): Global variable definition.
9952         (vect_print_dump_info): New function.
9953         (vect_set_dump_settings): New function.
9954         (vect_set_verbosity_level): New function.
9955         (vectorize_loops): Add call to vect_set_dump_settings.
9956
9957         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
9958         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
9959         (slpeel_tree_peel_loop_to_edge): Likewise.
9960
9961         (vect_analyze_offset_expr): Call to vect_print_dump_info with
9962         appropriate verbosity level instead of call to vect_debug_details
9963         or vect_debug_stats.
9964         (vect_get_base_and_offset):
9965         (vect_create_addr_base_for_vector_ref):
9966         (get_vectype_for_scalar_type):
9967         (vect_create_data_ref_ptr):
9968         (vect_init_vector):
9969         (vect_get_vec_def_for_operand):
9970         (vect_finish_stmt_generation):
9971         (vectorizable_assignment):
9972         (vectorizable_operation):
9973         (vectorizable_store):
9974         (vectorizable_load):
9975         (vect_transform_stmt):
9976         (vect_update_ivs_after_vectorizer):
9977         (vect_do_peeling_for_loop_bound):
9978         (vect_update_inits_of_drs):
9979         (vect_do_peeling_for_alignment):
9980         (vect_transform_loop):
9981         (vect_is_simple_use):
9982         (vect_analyze_operations):
9983         (vect_is_simple_iv_evolution):
9984         (vect_analyze_scalar_cycles):
9985         (vect_analyze_data_ref_dependence):
9986         (vect_analyze_data_ref_dependences):
9987         (vect_compute_data_ref_alignment):
9988         (vect_enhance_data_refs_alignment):
9989         (vect_analyze_data_refs_alignment):
9990         (vect_analyze_data_ref_access):
9991         (vect_analyze_data_ref_accesses):
9992         (vect_analyze_pointer_ref_access):
9993         (vect_get_memtag_and_dr):
9994         (vect_analyze_data_refs):
9995         (vect_mark_relevant):
9996         (vect_stmt_relevant_p):
9997         (vect_mark_stmts_to_be_vectorized):
9998         (vect_can_advance_ivs_p):
9999         (vect_get_loop_niters):
10000         (vect_analyze_loop_form):
10001         (vect_analyze_loop):
10002         (vectorize_loops): Likewise.
10003
10004         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10005         (vect_update_inits_of_drs):
10006         (vect_do_peeling_for_alignment):
10007         (vect_transform_loop):
10008         (vect_analyze_operations):
10009         (vect_analyze_scalar_cycles):
10010         (vect_analyze_data_ref_dependences):
10011         (vect_analyze_data_refs_alignment):
10012         (vect_analyze_data_ref_accesses):
10013         (vect_analyze_data_refs):
10014         (vect_mark_stmts_to_be_vectorized):
10015         (vect_get_loop_niters):
10016         (vect_analyze_loop_form):
10017         (vect_analyze_loop): Likewise.
10018         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10019
10020 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
10021
10022         PR bootstrap/19796
10023         Revert:
10024         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10025         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10026         either -ffast-math or -funsafe-math-optimizations is in use.
10027
10028         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10029         * config/mips/irix-csr.c: New file.
10030         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10031         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10032         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10033         executables.
10034
10035 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
10036
10037         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10038         redundant, incorrect definitions.
10039
10040         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10041         expand.
10042         ("*tls_indirect_call"): New, reference hard regs directly.
10043         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10044
10045 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10046
10047         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10048         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10049
10050 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10051
10052         PR rtl-optimization/19800
10053         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10054         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10055         gen_lowpart.
10056
10057 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10058
10059         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10060
10061 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
10062
10063         PR other/17135
10064         * doc/invoke.texi: Correct documentation of -freorder-functions.
10065
10066 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10067
10068         PR other/14402
10069         * doc/invoke.texi: Don't mention gccbug.
10070
10071 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10072             Andrew Pinski  <pinskia@physics.uc.edu>
10073             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
10074
10075         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10076         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10077         into just (zero_extract:SI FOO (const_int 1) BAR).
10078
10079 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10080
10081         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
10082         macro locally.  Don't give last revision date.  Use GCC version
10083         number from gcc-common.texi.
10084         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
10085         revision date.  Use GCC version number from gcc-common.texi.
10086         Describe being a library as current state rather than as 3.x
10087         history.
10088         * doc/gcc.texi: Remove last update date.
10089         * doc/gccint.texi: Likewise.  Update copyright dates.
10090         * doc/install.texi: Update copyright dates.
10091
10092 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10093
10094         PR other/7549
10095         * doc/invoke.texi: Mention for each option included in -Wall that
10096         it is included in -Wall.
10097         * doc/gcc.texi: Update copyright and last modification date.
10098
10099 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10100
10101         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10102         unnecessary cast to original induction variable increments.
10103
10104 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10105
10106         PR tree-optimization/18219
10107         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10108         in distributed form.
10109
10110 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
10111
10112         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10113         Set bitpos and offset later in the function.  Do nothing if the
10114         target is a register and if the bitfield lies completely outside
10115         that register.
10116         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10117         here.  Return an uninitialised register if the source value is stored
10118         in a register and the bitfield lies completely outside that register.
10119
10120 2005-02-06  Steven Bosscher  <stevenb@suse.de>
10121
10122         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10123         not SET_DEST.
10124
10125 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
10126
10127         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10128
10129 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
10130
10131         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10132         * config/darwin8.h: New.
10133         * config/darwin7.h: Update comment.
10134
10135 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10136             Dorit Naishlos  <dorit@il.ibm.com>
10137
10138         * tree-vectorizer.h (LOC): New type.
10139         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10140         (loop_line_number): New field in struct _loop_vec_info.
10141         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10142
10143         * tree-vectorizer.c (input.h): Included.
10144         (find_loop_location): New function.
10145         (vect_debug_stats): Argument changed from loop to LOC. Computation of
10146         loop line number removed.
10147         (vect_debug_details): Likewise.
10148         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10149
10150         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10151         call to vect_debug_details/stats changed from loop to loop_loc.
10152         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10153         (slpeel_tree_peel_loop_to_edge): Likewise.
10154
10155         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10156         changed from NULL to UNKNOWN_LOC.
10157         (vect_get_base_and_offset):
10158         (vect_create_addr_base_for_vector_ref):
10159         (get_vectype_for_scalar_type):
10160         (vect_create_data_ref_ptr):
10161         (vect_init_vector):
10162         (vect_get_vec_def_for_operand):
10163         (vect_finish_stmt_generation):
10164         (vectorizable_assignment):
10165         (vectorizable_operation):
10166         (vectorizable_store):
10167         (vectorizable_load):
10168         (vect_transform_stmt):
10169         (vect_update_ivs_after_vectorizer):
10170         (vect_do_peeling_for_loop_bound):
10171         (vect_do_peeling_for_alignment):
10172         (vect_transform_loop):
10173         (vect_is_simple_use):
10174         (vect_analyze_operations):
10175         (vect_is_simple_iv_evolution):
10176         (vect_analyze_scalar_cycles):
10177         (vect_analyze_data_ref_dependences):
10178         (vect_compute_data_ref_alignment):
10179         (vect_enhance_data_refs_alignment):
10180         (vect_analyze_data_ref_access):
10181         (vect_analyze_data_ref_accesses):
10182         (vect_analyze_pointer_ref_access):
10183         (vect_get_memtag_and_dr):
10184         (vect_analyze_data_refs):
10185         (vect_mark_relevant):
10186         (vect_stmt_relevant_p):
10187         (vect_mark_stmts_to_be_vectorized):
10188         (vect_can_advance_ivs_p):
10189         (vect_get_loop_niters):
10190         (vect_analyze_loop):
10191         (vectorize_loops): Likewise.
10192
10193         (vectorizable_load): Argument in call to vect_debug_details/stats
10194         changed from loop to LOOP_LOC (loop_vinfo).
10195         (vect_transform_loop):
10196         (vect_analyze_operations):
10197         (vect_analyze_scalar_cycles):
10198         (vect_analyze_data_ref_dependence):
10199         (vect_enhance_data_refs_alignment):
10200         (vect_analyze_data_ref_accesses):
10201         (vect_analyze_pointer_ref_access):
10202         (vect_analyze_data_refs):
10203         (vect_analyze_loop): Likewise.
10204
10205         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10206         changed from loop to loop_loc.
10207
10208         (vect_enhance_data_refs_alignment): Removed unused variable loop.
10209
10210 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10211             Dorit Naishlos  <dorit@il.ibm.com>
10212
10213         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10214         declaration added.
10215         (vect_analyze_data_ref_dependences): Likewise.
10216
10217         (vect_is_simple_use): Argument changed from loop structure to
10218         loop_vect_info structure.
10219         (vect_can_advance_ivs_p): Likewise.
10220         (vect_create_index_for_vector_ref): Likewise.
10221         (vect_update_ivs_after_vectorizer): Likewise.
10222         (new_stmt_vec_info): Likewise.
10223
10224         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10225         changed from loop to loop_vinfo.
10226         (vect_create_data_ref_ptr): First argument in call to
10227         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10228         (vectorizable_assignment): Second argument in call to vect_is_simple_use
10229         was changed from loop to loop_vinfo.
10230         (vectorizable_operation): Likewise.
10231         (vectorizable_store): Likewise.
10232         (vect_mark_stmts_to_be_vectorized): Likewise.
10233         (vect_do_peeling_for_loop_bound): First argument in call to
10234         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10235         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10236         was changed from loop to loop_vinfo.
10237         (vect_analyze_data_ref_dependences): Third argument in call to
10238         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10239
10240         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10241         (vect_create_data_ref_ptr): Likewise.
10242         (vect_init_vector): Likewise.
10243         (vect_get_vec_def_for_operand): Likewise.
10244         (vectorizable_assignment): Likewise.
10245         (vectorizable_operation): Likewise.
10246         (vectorizable_store): Likewise.
10247         (vectorizable_load): Likewise.
10248         (vect_update_ivs_after_vectorizer): Likewise.
10249         (vect_is_simple_use): Likewise.
10250         (vect_analyze_data_ref_dependence): Likewise.
10251         (vect_analyze_pointer_ref_access): Likewise.
10252         (vect_can_advance_ivs_p): Likewise.
10253
10254         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10255         before _stmt_vec_info.
10256         (_stmt_vec_info): Loop field replaced by loop_vec_info.
10257         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10258         (new_stmt_vec_info): Argument changed from loop structure to
10259         loop_vect_info structure
10260
10261         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10262         (vect_analyze_offset_expr): Avoid 80 columns overflow.
10263         (vect_create_addr_base_for_vector_ref): Likewise.
10264         (vect_analyze_pointer_ref_access): Likewise.
10265
10266 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10267
10268         PR tree-opt/19768
10269         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10270         phi flag if the phi is abnormal.
10271
10272 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10273
10274         PR tree-opt/19736
10275         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10276         information for the new statement.
10277
10278 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10279
10280         PR driver/19117
10281         * gcc.c (main): Include the target in -v output.
10282
10283 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
10284
10285         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10286         Do not drop the extend if we'd have to add a paradoxical subreg
10287         later.  Include optabs.h and insn-codes.h.
10288         * Makefile.in (combine.o): Depend on $(OPTABS_H).
10289
10290 2005-02-02  Roger Sayle  <roger@eyesopen.com>
10291
10292         PR middle-end/19405
10293         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10294         * fold-const.c (const_binop): Avoid constant folding floating
10295         point operations in modes that use composite representations.
10296         * simplify-rtx.c (simplify_binary_operation): Likewise.
10297
10298 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
10299
10300         * config/rs6000/altivec.md (altivec_dst): Make the first operand
10301         a REG, not a MEM.
10302         (altivec_dstt): Likewise.
10303         (altivec_dstst): Likewise.
10304         (altivec_dststt): Likewise.
10305         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10306         of first operand.
10307
10308 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10309
10310         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10311         EXPR_LOCUS from orig_cond to the new cond_stmt.
10312         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10313         the new vec_stmt.
10314
10315 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10316
10317         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10318         standard_iv_increment_position. Remove call to bsi_next
10319         (no need to bump the iterator anymore).
10320         (vect_create_index_for_vector_ref): Call
10321         standard_iv_increment_position. Remove second function argument.
10322         (vect_finish_stmt_generation): Remove call to bsi_next
10323         (no need to bump the iterator anymore).
10324         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10325         to vect_create_index_for_vector_ref.
10326
10327 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10328
10329         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10330         phis are used out of the loop.
10331
10332 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10333
10334         PR c/17807
10335         * c-decl.c (undef_nested_function): New variable.
10336         (pop_scope): Diagnose undefined nested functions.
10337         (finish_function): Don't attempt cgraph processing or genericizing
10338         if current top-level function contained an undefined nested
10339         function.  Reset undef_nested_function at the end of a top-level
10340         function.
10341
10342 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
10343
10344         * tree.c (build_int_cst_type): Take sign of the value into account
10345         when deciding whether sign extend the value.
10346
10347 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10348
10349         PR c/18502
10350         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10351         (cpp_options, cc1_options): Change %{std*&ansi} to
10352         %{std*&ansi&trigraphs}.
10353
10354 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10355
10356         * cse.c: Update comments.
10357
10358 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
10359
10360         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10361         arguments go on the stack.  Do not put complex doubles in odd/even
10362         pairs.
10363
10364 2005-02-02  Steven Bosscher  <stevenb@suse.de>
10365
10366         * doc/invoke.texi: Update the options enabled at -O1, -O2,
10367         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
10368         -ftree-pre, and -fthread-jumps.
10369
10370 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
10371
10372         PR tree-optimization/19578
10373         * tree-flow.h (modified_noreturn_calls): Declare.
10374         (noreturn_call_p): Declare.
10375         * tree-flow-inline.h (noreturn_call_p): New function.
10376         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10377         * tree-cfg.c (modified_noreturn_calls): New variable.
10378         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
10379         that contain a mid-block noreturn call.
10380         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10381
10382 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10383
10384         * df.c (df_def_record_1, df_uses_record): Don't use
10385         DF_FOR_REGALLOC.
10386         * df.h (DF_FOR_REGALLOC): Remove.
10387
10388 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10389
10390         PR c/19435
10391         * c-typeck.c (really_start_incremental_init): Reset
10392         constructor_max_index for arrays of incomplete type.
10393
10394 2005-02-02  Jeff Law  <law@redhat.com>
10395
10396         * gcse.c (struct reg_set): Store the block index where the register
10397         was set rather than the setting insn.
10398         (record_one_set, compute_transp): Corresponding changes.
10399         (pre_insert_copy_insn): Do not call replace_one_set.
10400         (replace_one_set): Remove.
10401
10402 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10403
10404         PR other/15514
10405         * doc/gcov.texi: Fix typo.
10406
10407 2005-02-01  Richard Henderson  <rth@redhat.com
10408
10409         PR target/19680
10410         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10411         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10412         type to bool.
10413         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10414         * config/i386/i386-protos.h: Update.
10415
10416 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10417
10418         PR tree-optimization/19217
10419         * tree-cfg.c (verify_expr): Use the data field to see if TP was
10420         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
10421         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10422         that it is walking a PHI node.
10423
10424 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
10425
10426         * doc/extend.texi (Nested Functions): Update.
10427
10428 2005-02-01  Richard Henderson  <rth@redhat.com>
10429
10430         PR 19696
10431         * optabs.c (expand_copysign_absneg): Export.
10432         * optabs.h (expand_copysign_absneg): Declare.
10433         * config/rs6000/rs6000.md (copysigntf3): New.
10434
10435 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10436
10437         PR tree-optimization/19633
10438         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10439         * tree-ssa-alias.c (init_alias_info): Initialize.
10440         (merge_pointed_to_info): Set.
10441         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10442         (dump_points_to_info_for): Show value of pt_null.
10443         (struct count_ptr_d): Declare.
10444         (find_ptr_dereference): Remove.
10445         (ptr_is_dereferenced_by): Remove.
10446         (count_ptr_derefs): New local function.
10447         (count_uses_and_derefs): New local function.
10448         (compute_points_to_and_addr_escape): Call it.  If the number
10449         of dereferences is greater than zero, mark the pointer as
10450         dereferenced.  If there are fewer dereferences than uses of
10451         the pointer, the pointer's value escapes.
10452
10453 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10454
10455         PR tree-optimization/19670
10456         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10457         here...
10458         (verify_use): ... set it here, instead.
10459
10460 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
10461
10462         * doc/sourcebuild.texi (Test directives): Fix formatting.
10463
10464         * doc/sourcebuild.texi (Test directives): Describe selector
10465         expressions.
10466
10467 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10468
10469         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10470         specific 64-bit CPUs.
10471
10472 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
10473
10474         PR target/16201
10475         * arm.c (arm_eliminable_register): New function.
10476         (adjacent_mem_locations): Don't allow eliminable registers.  Use
10477         HOST_WIDE_INT for address offsets.
10478         * arm-protos.h (arm_eliminable_register): Add prototype.
10479
10480 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10481
10482         PR optimization/15242
10483         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10484         * basic-block.h (duplicate_computed_gotos): Add prototype.
10485         * bb-reorder.c (duplicate_computed_gotos): New function to
10486         duplicate sufficiently small blocks ending in a computed jump.
10487         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10488         if not optimizing for size.
10489         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10490         never do tail merging for blocks ending in a computed jump.
10491         * doc/invoke.texi: Document the max-goto-duplication-insns param.
10492
10493 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
10494
10495         Patch from Richard Sandiford <rsandifo@redhat.com>
10496         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10497         from inheriting a subreg equivalence with a non-spill register.
10498
10499         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10500
10501 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
10502
10503         * config/frv/frv.c (movcc_fp_destination_operand): New.
10504         (gpr_or_memory_operand): Fix typo in comment.
10505         (gpr_or_memory_operand_with_scratch): New.
10506         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10507         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10508         movcc_fp_destination_operand.
10509         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10510         Legitimize memory addresses using a scratch register.
10511
10512 2005-01-31  Jeff Law  <law@redhat.com>
10513
10514         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10515         bitmap a sparse bitmap instead of a simple bitmap.
10516         (mark_def_sites_initialize_block):  Corresponding changes.
10517         (ssa_mark_def_sites_initialize_block): Likewise.
10518         (ssa_mark_phi_uses): Likewise.
10519         (mark_def_site, ssa_mark_def_sites): Likewise.
10520         (mark_def_site_blocks): Likewise.
10521         (rewrite_ssa_into_ssa): Likewise.
10522
10523         * tree-ssa-dom.c (record_cond): Pass correct variable type
10524         for last argument to htab_find_slot_with_hash.
10525
10526         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10527         effects when optimizing 0 % X.  Do not try to optimize X % 0.
10528
10529 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
10530
10531         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10532         1_mmalua.
10533
10534 2005-02-01  Eric Christopher  <echristo@redhat.com>
10535
10536         * config/mips/mips.c (override_options): Warn if -mint64
10537         is used.
10538         * doc/invoke.texi (MIPS Options): Document that -mint64 is
10539         deprecated.
10540
10541 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
10542
10543         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
10544         timestamp.
10545         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10546         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10547         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10548         (cached_regno): Initialize to INVALID_REGNUM.
10549         (cse_reg_info_table_size,
10550         cse_reg_info_table_first_uninitialized,
10551         cse_reg_info_timestamp): New.
10552         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10553         get_cse_reg_info.
10554         (init_cse_reg_info, get_cse_reg_info_1): New.
10555         (get_cse_reg_info): Cache the last look-up.
10556         (new_basic_block): Update the code to clear mappings from
10557         registers to cse_reg_info entries.
10558         (cse_main): Call init_cse_reg_info.
10559
10560         * cse.c (get_cse_reg_info): Update a comment.
10561
10562 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10563
10564         PR c/19333
10565         * c-decl.c (start_decl): Do not warn about arrays of elements with
10566         an incomplete type here.
10567         (grokdeclarator): Do it here by making a pedwarn an error.
10568         * c-typeck.c (push_init_level): If there were previous errors with
10569         the constructor type, do not warn about braces for initializers.
10570         (process_init_element): Likewise for excess initializer elements.
10571
10572 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
10573
10574         * cse.c (delete_trivially_dead_insn): Don't iterate.
10575
10576 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
10577
10578         * config/rs6000/rs6000.md (copysignsf3): New expand.
10579         (copysigndf3): Likewise.
10580
10581 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10582
10583         * recog.c (constrain_operands): Only look for earlyclobber operand
10584         conflicts if an '&' constraint was seen.
10585
10586 2005-01-31  Marc Espie <espie@openbsd.org>
10587
10588         * config.gcc: Don't include embedded systems fragment, switches default
10589         debugging format to ELF.
10590         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
10591         longer pick it up there.
10592
10593 2005-01-31  Dale Johannesen  <dalej@apple.com>
10594
10595         * doc/extend.texi (nested functions): Fix linkage description.
10596         Clarify that static is not allowed.
10597
10598 2005-01-31  Dale Johannesen  <dalej@apple.com>
10599
10600         * config/rs6000/darwin.md (movsf_low_di):  Make work.
10601         (movdf_low_di):  Make work.
10602
10603 2005-01-31  Dale Johannesen  <dalej@apple.com>
10604
10605         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
10606         Make work for 64 bit.
10607
10608 2005-01-31  Roger Sayle  <roger@eyesopen.com>
10609             Dale Johannesen  <dalej@apple.com>
10610
10611         PR middle-end/19650
10612         * fold-const.c (fold_binary_op_with_conditional_arg):
10613         Make types match original operands, before STRIP_NOPS.
10614
10615 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
10616
10617         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
10618         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
10619         (struct gcc_sigcontext): Delete.  Merge contents to..
10620         (struct gcc_ucontext): ..here.
10621         (get_sigcontext): Delete.
10622         (get_regs): New function, like get_sigcontext but return regs ptr.
10623         64-bit version finds regs from r1 to support vdso.
10624         (ppc_linux_aux_vector): New function.
10625         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
10626         and vector regs.
10627
10628 2005-01-31  Ira Rosen  <irar@il.ibm.com>
10629
10630         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
10631         sizetype.
10632         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
10633         redundant fold. Fix misalignment for MINUS_EXPR.
10634         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
10635         (vect_analyze_pointer_ref_access): Likewise.
10636         (vect_get_memtag_and_dr): Likewise.
10637
10638 2005-01-31  Richard Henderson  <rth@redhat.com>
10639
10640         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
10641         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
10642         absnegdf2_i387, absnegxf2_i387): Likewise.
10643
10644 2005-01-31  Richard Henderson  <rth@redhat.com>
10645
10646         PR 19696
10647         * optabs.c (expand_copysign_absneg): New.
10648         (expand_copysign_bit): Split out from ...
10649         (expand_copysign): ... here.  Use expand_copysign_absneg.
10650
10651 2005-01-30  Roger Sayle  <roger@eyesopen.com>
10652
10653         PR middle-end/19697
10654         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
10655         constant as the second operand and a register as the third.
10656
10657 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
10658
10659         PR target/19704
10660         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
10661         that dllimport'd functions do not use all call-clobbered registers
10662         to pass parameters.
10663
10664 2005-01-30  Richard Henderson  <rth@redhat.com>
10665
10666         PR 19696
10667         * optabs.c (expand_absneg_bit): Split out from expand_unop and
10668         expand_abs_nojump and generalize.  Use operand_subword and
10669         emit_no_conflict_block.  Support large modes.
10670         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
10671         back to maximum.
10672         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
10673         negation to subtraction.
10674         (expand_copysign): Check that the format has signed zeros.
10675         Use operand_subword and emit_no_conflict_block.  Support large modes.
10676
10677 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
10678
10679         Fix PR tree-optimization/19624
10680
10681         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
10682         * tree-ssa-pre.c: Add cfgloop.h.
10683         Update comment.
10684         (pre_stats): New member, constified.
10685         (inserted_exprs): New static variable.
10686         (NECESSARY): New macro.
10687         (create_expression_by_pieces): Fold the expression, and
10688         mark it as defaulting to not necessary. Also put in
10689         inserted_exprs.
10690         (fully_constant_expression): New function.
10691         (insert_into_preds_of_block): Modify to not insert phis when we
10692         are playing with induction variables.
10693         Push phis onto the inserted_exprs vector, and mark them as not
10694         necessary by default.
10695         (insert_aux): Call fully_constant_expression on eprime.
10696         If all edges produce the same value, mark it constant.
10697         (mark_operand_necessary): New function.
10698         (remove_dead_inserted_code): New function.
10699         (init_pre): Init loop optimizer to get loop info.
10700         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
10701         (execute_pre): Commit edge inserts, then remove dead code.
10702
10703 2005-01-30  Richard Henderson  <rth@redhat.com>
10704
10705         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
10706         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
10707
10708 2005-01-30  Richard Henderson  <rth@redhat.com>
10709
10710         PR target/19700
10711         * config/i386/i386.c (ix86_expand_copysign): New.
10712         (ix86_split_copysign_const): New.
10713         (ix86_split_copysign_var): Rename from ix86_split_copysign,
10714         rearrange op1/nmask operands.
10715         * config/i386/i386-protos.h: Update.
10716         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
10717         (copysigndf3): Likewise.
10718         (copysignsf3_const, copysigndf3_const): New.
10719         (copysignsf3_var): Rename from copysignsf3, split out splitter
10720         and fix split predicate for X constraint.
10721         (copysigndf3_var): Similarly.
10722
10723 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
10724
10725         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
10726         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
10727         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
10728
10729 2005-01-29  Richard Henderson  <rth@redhat.com>
10730
10731         PR target/19690
10732         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
10733         of # and * in constraints.
10734
10735 2005-01-29  Richard Henderson  <rth@redhat.com>
10736
10737         PR middle-end/19689
10738         * expr.c (store_field): Don't strip sub-mode cast when the input
10739         data is even smaller.
10740
10741 2005-01-29  Richard Henderson  <rth@redhat.com>
10742
10743         PR middle-end/19687
10744         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
10745         union being empty.
10746
10747 2005-01-29  Richard Henderson  <rth@redhat.com>
10748
10749         * combine.c (make_field_assignment): Fix argument order
10750         to gen_int_mode.
10751
10752 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
10753
10754         PR tree-optimization/15791
10755         * fold-const.c (extract_array_ref): New function.
10756         (fold): Fold comparisons between &a[i] and &a[j] or
10757         semantically equivalent trees.
10758
10759 2005-01-29  Jeff Law  <law@redhat.com>
10760
10761         * gcse.c (insert_expr_in_table): Revamp handling of available
10762         and anticipatable occurrence lists to avoid unnecessary list
10763         walking.
10764         (insert_set_in_table): Similarly.
10765
10766 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
10767
10768         * c-common.c (fix_string_type): Just use c_build_qualified_type to
10769         build string type.
10770         (c_build_qualified_type): Build qualified array types with
10771         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
10772         * c-decl.c (c_make_fname_decl): Build unqualified array type
10773         before qualified type.
10774         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
10775         type is qualified, not just if type itself is.  Don't apply
10776         qualifiers to array type when declarator is processed.  Apply
10777         qualifiers to field type whether or not it is an array type.
10778         Don't handle array types specially for applying qualifiers to
10779         variables.
10780         * c-typeck.c (composite_type): Build unqualified element type and
10781         array type when forming composite of array types.
10782         (common_pointer_type, comptypes, comp_target_types,
10783         type_lists_compatible_p, build_indirect_ref, build_array_ref,
10784         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
10785         types.
10786         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
10787         (args2) in variables a1 and a2.
10788
10789 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
10790
10791         * cse.c (n_elements_made, max_elements_made): Remove.
10792         (insert): Don't touch n_elements_made.
10793         (cse_main): Don't touch n_elements_made or max_elements_made.
10794
10795 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
10796
10797         PR target/15384
10798         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
10799         configuration part of dp-bit.c to be lost.
10800
10801 2005-01-28  Roger Sayle  <roger@eyesopen.com>
10802
10803         * expmed.c (expand_mult_highpart_optab): When attempting to use
10804         a non-widening multiplication in a wider mode, the operands need
10805         to be converted (zero or sign extended) to that mode.
10806
10807 2005-01-28  Ian Lance Taylor  <ian@airs.com>
10808
10809         PR middle-end/16558
10810         PR middle-end/19583
10811         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
10812         through if both operands fall through.
10813
10814 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10815
10816         * cse.c (fold_rtx) <PC>: Don't optimize.
10817
10818 2005-01-28  Jeff Law  <law@redhat.com>
10819
10820         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
10821         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
10822
10823 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
10824
10825         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
10826         cse_reg_info_used_list_end): Remove.
10827         (cse_reg_info_list, cse_reg_info_list_free): New.
10828         (get_cse_reg_info): When allocating an instance of
10829         cse_reg_info, add it to the beginning of the cse_reg_info_list
10830         list.  Remove code to maintain cse_reg_info_used_list.
10831         (new_basic_block): Reset the free list to the beginning of
10832         cse_reg_info_list.
10833
10834 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
10835
10836         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
10837         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
10838         (frv_expand_mdpackh_builtin): New function.
10839         (frv_expand_builtin): Use it to expand __MDPACKH.
10840         * doc/extend.texi (__MDPACKH): Update documentation.
10841
10842 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
10843
10844         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
10845         SSE_FLOAT_MODE_P for use_sse computation.
10846
10847 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
10848
10849         PR target/19663
10850         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
10851
10852 2005-01-27  Richard Henderson  <rth@redhat.com>
10853
10854         * builtins.c (expand_builtin_copysign): New.
10855         (expand_builtin): Call it.
10856         * genopinit.c (optabs): Add copysign_optab.
10857         * optabs.c (init_optabs): Initialize it.
10858         (expand_copysign): New.
10859         * optabs.h (OTI_copysign, copysign_optab): New.
10860         (expand_copysign): Declare.
10861
10862         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
10863         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
10864
10865         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
10866         (ix86_expand_fp_absneg_operator): ... here.
10867         (ix86_split_copysign): New.
10868         * config/i386/i386-protos.h: Update.
10869         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
10870         (copysignsf3, copysigndf3): New.
10871
10872         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
10873         (copysignsf3, ncopysignsf3): New.
10874         (copysigndf3, ncopysigndf3): New.
10875         (copysignxf3, ncopysignxf3): New.
10876         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
10877
10878 2005-01-27  Arend Bayer  <arend.bayer@web.de>
10879             Kazu Hirata  <kazu@cs.umass.edu>
10880
10881         * cse.c: (find_best_addr): Don't call copy_rtx before calling
10882         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
10883         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
10884         NULL_RTX.
10885
10886 2005-01-27  Jeff Law  <law@redhat.com>
10887
10888         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
10889         definitions of SSA_NAMEs which are not being rewritten.
10890         (rewrite_ssa_into_ssa): Only initialize the current definition
10891         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
10892         If checking is enabled, assert that SSA_NAME_AUX is clear for all
10893         SSA_NAMEs before returning.
10894
10895 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
10896
10897         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
10898         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
10899         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
10900         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
10901         config/mips/iris6.h, config/sh/sh.c: Update copyright.
10902
10903 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10904
10905         PR middle-end/17278
10906         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
10907         higher to -O2 and higher.  Likewise for tree PRE.
10908         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
10909         and better.
10910
10911 2005-01-27  Ian Lance Taylor  <ian@airs.com>
10912
10913         PR middle-end/19583
10914         * gimple-low.c (try_catch_may_fallthru): New static function.
10915         (block_may_fallthru): Handle TRY_CATCH_EXPR.
10916         * tree-inline.c (expand_call_inline): Don't warn about reaching
10917         the end of a non-void function being inlined if the function uses
10918         a return slot.
10919
10920 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
10921
10922         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
10923
10924         PR c/18946
10925         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
10926         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
10927         (implicitly_declare): Handle error_mark_node.
10928
10929 2005-01-27  Richard Henderson  <rth@redhat.com>
10930
10931         PR tree-opt/14329
10932         * tree.h (struct tree_decl): Add debug_expr_is_from.
10933         (DECL_DEBUG_EXPR_IS_FROM): New.
10934         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
10935         * dwarf2out.c (dwarf2out_var_location): Update to match.
10936         * tree-outof-ssa.c (create_temp): Likewise.
10937         * var-tracking.c (track_expr_p): Likewise.
10938         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
10939         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
10940         * toplev.c (default_tree_printer): Likewise.
10941
10942 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
10943
10944         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
10945         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
10946
10947 2005-01-27  Steven Bosscher  <stevenb@suse.de>
10948
10949         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
10950         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
10951         ASM_CLOBBERS): Add tree checks.
10952
10953         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
10954         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
10955         * c-common.def (SWITCH_STMT): Update to match.
10956         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
10957         macros instead of SWITCH_EXPR ones.
10958         * c-dump.c (c_dump_tree): Likewise.
10959         * c-gimplify.c (gimplify_switch_stmt): Likewise.
10960         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
10961
10962         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
10963
10964 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
10965
10966         * unwind-dw2.c (execute_stack_op): Add missing cases for
10967         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
10968
10969 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
10970
10971         * config.gcc (Obsolete configurations): Remove 'dummy', add
10972         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
10973         sparc-*-openbsd*.
10974
10975 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
10976
10977         PR tree-optimization/19633
10978         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
10979         CALL_EXPRs.
10980         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
10981         are no call-clobbered variables.
10982         * tree-outof-ssa.c (check_replaceable): Return false for calls
10983         with side-effects.
10984
10985 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
10986
10987         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
10988         even for variables with NULL DECL_INITIAL.
10989
10990 2005-01-26  Stuart Hastings  <stuart@apple.com>
10991
10992         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
10993
10994 2005-01-26  Richard Henderson  <rth@redhat.com>
10995
10996         PR middle-end/18008
10997         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
10998         field's type.
10999         * expr.c (store_field): Strip conversions to odd-bit-sized types
11000         if the destination field width matches.
11001
11002 2005-01-26  Richard Henderson  <rth@redhat.com>
11003
11004         * c-decl.c, expmed.c, expr.c: Revert last change.
11005
11006 2005-01-26  Richard Henderson  <rth@redhat.com>
11007
11008         PR middle-end/18008
11009         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11010         field's type.
11011         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11012         if we don't need the bits above those present in the current mode.
11013         * expr.c (store_field): Strip conversions to odd-bit-sized types
11014         if the destination field width matches.
11015
11016 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11017
11018         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11019         either -ffast-math or -funsafe-math-optimizations is in use.
11020
11021 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11022
11023         PR target/19293
11024         PR target/19329
11025         * config/avr/avr.c (notice_update_cc): Only set condition code for
11026         ashrqi3 if shift count > 0.
11027         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11028         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11029         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11030         count <= 0 as a no-op, and shift count >= width by copying zero
11031         or sign bit to all bits of the result.
11032         * config/avr/avr.md (all shifts): Add alternatives for zero shift
11033         count, with attribute "length" set to 0 and "cc" set to "none".
11034
11035 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11036
11037         * doc/invoke.texi: Document -mTLS.
11038
11039         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11040         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11041         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11042         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11043         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11044         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11045         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11046         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11047
11048         * configure.ac: Check for a TLS capable gas.
11049
11050         * configure: Regenerate.
11051
11052 2005-01-26  Richard Henderson  <rth@redhat.com>
11053
11054         PR middle-end/18008
11055         * combine.c (make_field_assignment): Simplify store to zero_extract
11056         from a source with an overlapping mask.
11057
11058 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11059
11060         2004-11-11  Eric Christopher  <echristo@redhat.com>
11061
11062         * config/frv/frv.md: Add fr400_integer automaton. Don't
11063         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11064         to TYPE_MACC.
11065
11066 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11067
11068         PR middle-end/16585
11069         * cfgbuild.c (make_edges): Do not clear or set
11070         current_function_has_computed_jump.
11071         * function.h (struct function): Remove the has_computed_jump field.
11072         (current_function_has_computed_jump): Do not define.
11073         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11074         in a computed jump.  Ignore current_function_has_computed_jump.
11075
11076 2005-01-26  Richard Henderson  <rth@redhat.com>
11077
11078         PR middle-end/19515
11079         * expr.c (categorize_ctor_elements): New argument p_must_clear.
11080         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
11081         fully initialized.
11082         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11083         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
11084         objects into static storage if they have more than one non-zero value.
11085         * tree.h (categorize_ctor_elements): Update decl.
11086
11087 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11088
11089         PR middle-end/19616
11090         * tree.h (CALL_EXPR_TAILCALL): Add comment.
11091         * calls.c (check_sibcall_argument_overlap_1): Revert the change
11092         to this function from 2004-07-10.
11093         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11094         the current function for tail call optimizations if the address
11095         of one of it its arguments is taken.
11096
11097 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
11098
11099         * cse.c (fold_rtx): Call equiv_constant only when necessary.
11100
11101 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11102
11103         * function.c (expand_function_end): If current_function_calls_alloca,
11104         emit stack restore in a place that is reached when the function falls
11105         through at the end.
11106
11107 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
11108
11109         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11110         rule to avoid matching inappropriate suffix rule.
11111
11112 2005-01-26  Jan Hubicka  <jh@suse.cz>
11113
11114         PR tree-optimization/19241
11115         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11116
11117 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11118
11119         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11120         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
11121         of doubling.
11122         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11123         <sim*>: Always use crt1.o, regardless of N in simN.
11124         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11125         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11126         (CRT_CALL_STATIC_FUNCTION): Remove.
11127         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11128         use crt1.o, regardless of N in simN.
11129         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11130         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11131         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11132         case isystem setting.
11133         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11134
11135 2005-01-25  Ian Lance Taylor  <ian@airs.com>
11136
11137         * gimple-low.c (block_may_fallthru): Correct handling of
11138         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11139
11140 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11141
11142         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11143         handlers to match indentation; nested under the mtune=* handler.
11144         Similar for mcpu= and march=.
11145
11146 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
11147
11148         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11149         * config/mips/linux64.h (LIB_SPEC): Likewise.
11150         * config/mn10300/linux.h (LIB_SPEC): Likewise.
11151         * config/sh/linux.h (LIB_SPEC): Likewise.
11152
11153 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
11154
11155         * config/frv/frv.c (frv_legitimize_tls_address): New.
11156         (TARGET_HAVE_TLS): Define.
11157         (FRV_SYMBOL_REF_TLS_P): Define.
11158         (frv_override_options): Handle new register classes.
11159         (frv_legitimate_address_p): Reject tls addresses.
11160         (frv_legitimize_address): Handle TLS addresses.
11161         (gen_inlined_tls_plt): New.
11162         (gen_tlsmoff): New.
11163         (frv_legitimize_tls_address): New.
11164         (unspec_got_name): Add TLS entries.
11165         (got12_operand): Add R_FRV_TLSMOFF12 case.
11166         (frv_emit_move): Fixup TLS addresses.
11167         (frv_emit_movsi): Legitimize TLS addresses.
11168
11169         * config/frv/frv.h (MASK_BIG_TLS): New.
11170         (TARGET_BIG_TLS): New.
11171         (HAVE_AS_TLS): Define.
11172         (TARGET_SWITCHES): Add -mTLS and -mtls options.
11173         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11174         (REG_CLASS_NAMES): Same.
11175         (REG_CLASS_CONTENTS): Same.
11176         (CONSTRAINT_LEN): New.
11177         (REG_CLASS_FROM_CONSTRAINT): New.
11178         (PREDICATE_CODES): Add symbolic_operand.
11179
11180         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11181         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11182         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11183         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11184         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11185         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11186         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11187         GR9_REG, GR14_REG, LRREG.
11188         (type): Add load_or_call attribute.
11189         ("load_or_call"): New reservation.
11190         ("call_gettlsoff"): New.
11191         ("tls_indirect_call"): New.
11192         ("tls_load_gottlsoff12"): New.
11193         ("tlsoff_hilo"): New.
11194         ("tls_tlsdesc_ldd"): New.
11195         ("tls_tlsoff_ld"): New.
11196         ("tls_lddi"): New.
11197
11198         * config/frv/frv-protos.h (symbolic_operand): Protoize.
11199
11200         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
11201
11202         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11203         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11204         * config/frv/frv.c (TLS_BIAS): Define.
11205         (frv_output_dwarf_dtprel): New.
11206
11207 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
11208
11209         PR rtl-optimization/19579
11210         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11211         both A and B, see if they don't clobber registers the other expr uses.
11212
11213 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
11214
11215         * real.c (do_add): Initialize signalling and canonical members.
11216
11217         * real.c (real_from_integer): Zero out destination.
11218
11219 2005-01-18  Jan Hubicka  <jh@suse.cz>
11220
11221         PR tree-optimize/19337
11222         * tree-inline.c (initialize_inlined_parameters): Copy
11223         saved_static_chain_decl only.
11224
11225 2005-01-25  Richard Henderson  <rth@redhat.com>
11226
11227         PR target/19556
11228         PR target/19584
11229         * config/i386/i386.c (x86_inter_unit_moves): Zero.
11230         (ix86_preferred_reload_class): Rewrite fp-constant section, with
11231         80387 enabled, to return a proper subclass.  Return the subset that
11232         overlaps with GENERAL_REGS for PLUS.
11233         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11234
11235 2005-01-25  Richard Henderson  <rth@redhat.com>
11236
11237         PR middle-end/19609
11238         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11239
11240 2005-01-25  Roger Sayle  <roger@eyesopen.com>
11241
11242         * expmed.c (choose_multiplier): Change interface to return the
11243         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11244         (expand_divmod): Update calls to choose_multiplier.
11245
11246 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11247
11248         PR middle-end/19330
11249         * expmed.c (extract_bit_field): Use adjust_address instead of
11250         gen_lowpart when op0 is a MEM.
11251
11252 2005-01-24  Steven Bosscher  <stevenb@suse.de>
11253
11254         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11255
11256 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11257
11258         * config/mips/irix-csr.c: New file.
11259         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11260         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11261         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11262         executables.
11263
11264 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
11265
11266         PR bootstrap/19364
11267         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11268         sparc/elf.h, add sparc/sp-elf.h.
11269         (sparc-*-rtems*): Likewise.
11270         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11271         tm-dwarf2.h, add sparc/sp-elf.h.
11272         (sparc86x-*-elf): Likewise.
11273         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11274         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11275         TARGET_OS_CPP_BUILTINS.
11276         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11277         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11278         Undefine it.
11279         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11280         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11281         (SWITCH_TAKES_ARG): Likewise.
11282         (LOCAL_LABEL_PREFIX): Likewise.
11283         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11284         (TARGET_N_FORMAT_TYPES): Delete.
11285         (TARGET_FORMAT_TYPES): Likewise.
11286         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11287         * config/sparc/elf.h: Delete.
11288         * config/sparc/sp-elf.h: New file.
11289
11290 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11291
11292         * tree-flow-inline.h (phi_arg_from_edge): Remove.
11293         * tree-flow.h: Remove the corresponding prototype.
11294         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11295         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11296
11297 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11298
11299         PR target/17751
11300         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11301         for AIX ABI or ELF -fPIC.
11302         (rs6000_emit_load_toc_table): Don't create toc_section here.
11303         (rs6000_xcoff_file_start): Nor here.
11304
11305 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
11306
11307         * sh.c (ra.h): Don't #include.
11308         (hard_regs_intersect_p): New function, resurrected from ra.c.
11309
11310         * sh.c: Fix 1996 Copyright.
11311
11312 2005-01-24  Richard Henderson  <rth@redhat.com>
11313             Aldy Hernandez  <aldyh@redhat.com>
11314
11315         * regrename.c (note_sets): Handle subregs.
11316
11317 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
11318
11319         PR bootstrap/18058
11320         * genconditions.c (write_header, write_conditions): Elide file if
11321         not GCC >= 3.0.1.
11322
11323 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11324
11325         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11326         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11327         Update copyright.
11328
11329 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11330
11331         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11332         expand_builtin_printf, expand_builtin_fprintf,
11333         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11334         checking against POINTER_TYPE.
11335         (validate_arglist): Handle POINTER_TYPE code by checking
11336         POINTER_TYPE_P.
11337
11338 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
11339
11340         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11341         init_rtlanal): New.
11342         (for_each_rtx): Call for_each_rtx_1.
11343         * rtl.h (init_rtlanal): Declare.
11344         * toplev.c (backend_init): Call init_rtlanal.
11345
11346 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11347
11348         * flow.c (propagate_one_insn): Formatting.
11349
11350         PR middle-end/19551
11351         * flow.c (libcall_dead_p): Be more conservative if unsure.
11352         If there are any instructions between insn and call, see if they are
11353         all dead before saying the libcall is dead.
11354
11355 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
11356
11357         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11358         operand constraint for operand 0.
11359
11360 2005-01-23  Richard Henderson  <rth@redhat.com>
11361
11362         PR 19486
11363         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11364         edges leading to join block.
11365
11366 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11367
11368         * expmed.c (expand_mult_highpart): Make static.  Change type of
11369         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11370         (expand_divmod): Updates calls to expand_mult_highpart by using
11371         gen_int_mode to pass a CONST_INT rtx.
11372         * rtl.h (expand_mult_highpart): Remove prototype.
11373
11374 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11375
11376         * flow.c (regset_bytes, regset_size): Remove.
11377
11378         * cfganal.c: Fix a reference to Harvey's paper.
11379
11380 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11381
11382         PR rtl-optimization/19464
11383         * tree-optimize.c (init_tree_optimization_passes): Add one more
11384         copyrename pass just before out-of-ssa.
11385
11386 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
11387
11388         PR bootstrap/18058
11389         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11390         * ggc-none.c (ggc_free): Define.
11391
11392 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11393
11394         * cse.c (max_reg, max_insn_uid): Remove.
11395         (cse_main): Don't access max_reg or max_insn_uid.
11396
11397         * c-common.c (explicit_flag_signed_bitfields,
11398         lang_statement_code_p, lang_expand_function_end): Remove.
11399         * c-common.h: Remove the corresponding declarations.
11400         * c-opts.c (c_common_handle_option): Remove all write access
11401         to explicit_flag_signed_bitfields.
11402
11403         * cgraph.c (cgraph_varpool_n_nodes): Remove.
11404         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11405         * cgraph.h: Remove the corresponding declaration.
11406
11407         * gcse.c (null_pointer_info): Remove.
11408
11409 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11410             Eric Botcazou  <ebotcazou@libertysurf.fr>
11411
11412         * combine.c (simplify_logical): Only simplify logical expressions
11413         of the form ior(and(x,y),z) by the inverse distributive law if the
11414         result is cheaper than the original.
11415
11416 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11417
11418         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11419         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11420         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11421         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11422         config/freebsd-spec.h, config/arm/arm.h,
11423         config/h8300/h8300.md, config/i386/i386.md,
11424         config/i386/predicates.md, config/i386/sse.md,
11425         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11426         config/vax/vax.md: Fix comment typos.  Follow spelling
11427         conventions.
11428
11429 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11430
11431         * gengtype.c (walk_type): Produce `not equal to' compares for loop
11432         tests, instead of `less than'.
11433
11434 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
11435
11436         * function.c (assign_parm_setup_block): When creating a new stack slot
11437         for a parameter, get its alignment from the parameter's DECL_ALIGN
11438         rather than the type's TYPE_ALIGN.  Make sure that the parameter
11439         is at least word aligned.
11440
11441 2005-01-22  Roger Sayle  <roger@eyesopen.com>
11442
11443         PR middle-end/19378
11444         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11445
11446 2005-01-22  Richard Henderson  <rth@redhat.com>
11447
11448         PR target/19506
11449         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11450         in both compare operands.
11451         (movdfcc_1_sse_max): Likewise.
11452         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
11453         (movdfcc_1_sse): Likewise.
11454         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11455         scratch register as needed.
11456
11457 2005-01-22  Richard Henderson  <rth@redhat.com>
11458
11459         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11460
11461         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11462
11463 2005-01-22  Richard Henderson  <rth@redhat.com>
11464
11465         * genopinit.c (optabs): Use smin/smax for floating point too.
11466         * doc/md.texi: Update to match.  Clarify that floating point
11467         results are undefined for +0/-0 and NaN.
11468         * doc/rtl.texi: Likewise.
11469         * rtl.def (SMIN, SMAX): Likewise
11470         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11471
11472         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11473         leading 's' to the name.
11474         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11475         smaxxf3, sminxf3): Likewise.
11476         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11477         Likewise.
11478
11479 2005-01-22  Paul Brook  <paul@codesourcery.com>
11480
11481         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11482
11483 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
11484
11485         * config/s390/s390.c (struct processor_costs): New fields
11486         dlgr, dlr, dr, dsgfr, dsgr.
11487         (z900_cost, z990_cost): Values for new fields.
11488         (s390_rtx_costs): New cases MEM und COMPARE in switch
11489         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11490         DIV, MOD, UDIV, UMOD.
11491
11492 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11493
11494         * config/s390/s390.md ("doloop_si64"): Reload input value directly
11495         into the register being decremented.
11496         ("doloop_si31", "doloop_di"): Likewise.
11497         ("*doloop_si_long"): Adapt pattern.
11498
11499 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11500
11501         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11502         access registers.
11503         (CLASS_MAX_NREGS): Likewise.
11504
11505 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
11506
11507         * doc/tree-ssa.texi (Statement Operands): Add example for new
11508         must-def macro. Note deprecation of old operands interface.
11509
11510 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
11511
11512         PR tree-optimization/19484
11513         * tree-cfg.c (remove_fallthru_edge): New function.
11514         (cleanup_control_flow): Remove fallthru edges from calls that are
11515         now known not to return.
11516
11517 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11518
11519         Fix PR tree-optimization/19038
11520         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11521         copies with loop variant ones.
11522
11523 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
11524
11525         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11526         config/alpha/alpha-protos.h, config/alpha/alpha.h,
11527         config/alpha/alpha.md, config/alpha/predicates.md,
11528         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11529         config/sparc/sol2.h: Update copyright.
11530
11531         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11532         first label to see if it is a nonlocal label.
11533
11534 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
11535             Andrew Pinski  <pinskia@physics.uc.edu>
11536
11537         PR target/19491
11538         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11539         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
11540
11541 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11542
11543         * config/rs6000/rtems.h: Update copyright.
11544
11545 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11546
11547         PR target/19548
11548         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11549         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11550         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11551
11552 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11553
11554         PR c/18809
11555         * c-typeck.c (convert_arguments): Check for error_mark_node.
11556
11557 2005-01-21  Ian Lance Taylor  <ian@airs.com>
11558
11559         PR tree-optimization/13000
11560         * tree-inline.c: Include "tree-flow.h".
11561         (expand_call_inline): If warn_return_type, warn if non-void inline
11562         function falls through.
11563         * tree-cfg.c (execute_warn_function_return): Don't warn about
11564         control reaching end if TREE_NO_WARNING is set.  Set
11565         TREE_NO_WARNING.
11566         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11567         has been lowered.
11568         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11569         branch if we don't need one.
11570         * c-typeck.c: Include "tree-flow.h"
11571         (c_finish_bc_stmt): Don't add a goto if the current statement
11572         list doesn't fall through to the current point.
11573
11574 2005-01-21  Roger Sayle  <roger@eyesopen.com>
11575
11576         PR rtl-optimization/576
11577         * real.c (real_arithmetic): Change return type from void to bool
11578         to return an indication that the result may be inexact.
11579         * real.h (real_arithmeric): Update prototype.
11580         * fold-const.c (const_binop):  Don't constant fold floating
11581         point expressions when the user specifies -frounding-math and
11582         the result may depend upon the run-time rounding mode.
11583         (fold_convert_const_real_from_real): Clean-up.
11584         (fold_initializer): Ignore flag_rounding_math for initializers.
11585         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
11586         constant fold FP operations with flag_rounding_math if the
11587         result may depend upon the run-time rounding mode.
11588
11589 2005-01-21  Tom Tromey  <tromey@redhat.com>
11590
11591         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
11592
11593 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
11594
11595         * tree-cfg.c: Fix comment typos.
11596
11597 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
11598
11599         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
11600         around the call to rest_of_handle_branch_target_load_optimize.
11601
11602 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11603
11604         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
11605         (sparc64-*-openbsd*): Likewise.
11606         (sparclite-*-elf*): Include tm-dwarf2.h.
11607         (sparc86x-*-elf*): Likewise.
11608         (sparc64-*-elf*): Likewise.
11609         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
11610         (DBX_DEBUGGING_INFO): Likewise.
11611         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
11612         (PREFERRED_DEBUGGING_TYPE): Likewise.
11613         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
11614         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
11615         (PREFERRED_DEBUGGING_TYPE): Likewise.
11616         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
11617         (PREFERRED_DEBUGGING_TYPE): Likewise.
11618         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
11619
11620 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
11621
11622         PR target/18701
11623         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
11624
11625 2005-01-20  Paul Brook  <paul@codesourcery.com>
11626
11627         * doc/rtl.texi: Document value extension requirements for CONST_INT.
11628
11629 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11630
11631         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
11632         label is first in a sequence of labels.
11633
11634         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
11635
11636 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
11637             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
11638
11639         * doc/sourcebuild.texi (Test Directives): New.
11640
11641 2005-01-20  Roger Sayle  <roger@eyesopen.com>
11642
11643         * real.c (real_floor): Don't leave the result uninitialized when
11644         mode is VOIDMode, but return the unrounded intermediate value.
11645         (real_ceil): Likewise.
11646
11647 2005-01-20  Paul Brook  <paul@codesourcery.com>
11648
11649         * config/arm/arm.md (insv): Use gen_int_mode.
11650
11651 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11652
11653         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
11654         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11655         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11656         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11657         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
11658
11659 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11660
11661         Fix PR debug/19124
11662         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
11663         fbreg, so we have to assume we can't.
11664         (loc_descriptor_from_tree_1): Ditto.
11665         (containing_function_has_frame_base): New function.
11666         (add_location_or_const_value_attribute): Use it.
11667         Also try to generate a frame_base from a single element location
11668         list.
11669
11670 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11671
11672         PR tree-optimization/15349
11673         * timevar.def (TV_TREE_MERGE_PHI): New.
11674         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
11675         PHI_WANTED.
11676         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
11677         calls to tree_forwarder_block_p.
11678         (remove_forwarder_block_with_phi, merge_phi_nodes,
11679         gate_merge_phi, pass_merge_phi): New.
11680         * tree-optimize.c (init_tree_optimization_passes): Add
11681         pass_merge_phi.
11682         * tree-pass.h: Add an extern for pass_merge_phi;
11683
11684 2005-01-20  Richard Henderson  <rth@redhat.com>
11685
11686         PR target/19418
11687         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
11688         (_mm_castps_pd, _mm_castps_si128): New.
11689         (_mm_castsi128_ps, _mm_castsi128_pd): New.
11690
11691 2005-01-20  Richard Henderson  <rth@redhat.com>
11692
11693         PR target/19530
11694         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
11695         __builtin_ia32_vec_init_v2si.
11696         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
11697         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
11698         (ix86_init_mmx_sse_builtins): Create it.
11699         (ix86_expand_builtin): Expand it.
11700         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
11701         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
11702         (vec_extractv2si_0, vec_extractv2si_1): New.
11703
11704 2005-01-20  Richard Henderson  <rth@redhat.com>
11705
11706         PR target/16533
11707         * config/i386/i386.c (ix86_expand_push): New.
11708         * config/i386/mmx.md (push<MMXMODE>1): New.
11709         * config/i386/sse.md (push<SSEMODE>1): New.
11710         * config/i386/i386-protos.h: Update.
11711
11712 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
11713
11714         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
11715         copyright.
11716
11717 2005-01-20  Richard Henderson  <rth@redhat.com>
11718
11719         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
11720         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
11721
11722 2005-01-19  Richard Henderson  <rth@redhat.com>
11723
11724         PR target/19350
11725         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
11726         to V4SFmode in SSE1 fallback load path.
11727
11728 2005-01-19  Richard Henderson  <rth@redhat.com>
11729
11730         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
11731         in QImode expansion to ix86_expand_vector_set.
11732         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
11733
11734 2005-01-19  Richard Henderson  <rth@redhat.com>
11735
11736         PR target/19511
11737         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
11738         subclass of the input class.
11739         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
11740         Always true for cross-SSE1 classes.  Rationalize conditionals.
11741         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
11742         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
11743         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
11744         (movdi_2): Add MMX/SSE zeros.
11745         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
11746         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
11747         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
11748         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
11749         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
11750         (zero_extendsidi2_rex64_1): Remove.
11751         (MOV0 peephole): Check GENERAL_REG_P.
11752
11753 2005-01-19  Richard Henderson  <rth@redhat.com>
11754
11755         PR target/19427
11756         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
11757         shufps elements.
11758         (ix86_expand_vector_extract): Likewise.
11759
11760 2005-01-19  Richard Henderson  <rth@redhat.com>
11761
11762         PR middle-end/19304
11763         * expr.c (emit_move_change_mode): New argument force; use
11764         simplify_gen_subreg if true.
11765         (emit_move_via_alt_mode): Merge into ...
11766         (emit_move_via_integer): ... here.
11767         (emit_move_ccmode): Use emit_move_change_mode directly.
11768
11769 2005-01-19  Richard Henderson  <rth@redhat.com>
11770
11771         PR target/19518
11772         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
11773         (alpha_preferred_reload_class): Handle CONST_VECTOR.
11774         (alpha_emit_set_const_1): Add no_output parameter; don't emit
11775         rtl if true.
11776         (alpha_emit_set_const): Likewise.  Make static.
11777         (alpha_emit_set_long_const): Make static.
11778         (alpha_extract_integer): Split out from alpha_expand_mov.
11779         (alpha_split_const_mov): Likewise.
11780         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
11781         (alpha_legitimate_constant_p): New.
11782         * config/alpha/alpha-protos.h: Update.
11783         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
11784         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
11785         * config/alpha/alpha.md (movsi): Add n alternative.
11786         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
11787         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
11788         (splitters for all of the above): Use alpha_split_const_mov.
11789         * config/alpha/predicates.md (non_add_const_operand): New.
11790         (non_zero_const_operand): New.
11791         (input_operand): Use alpha_legitimate_constant_p after reload.
11792
11793 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11794
11795         PR tree-optimization/19038
11796         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
11797         (add_candidate): Add ivs with increment in latch only if
11798         allow_ip_end_pos_p is true.
11799         (determine_iv_cost): Use empty_block_p.
11800
11801 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
11802
11803         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
11804         (compute_dominance_frontiers): Ditto.
11805
11806 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
11807
11808         PR target/19529
11809         * config/sh/t-rtems: New.
11810         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
11811
11812 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
11813
11814         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
11815         the offset of the selected field.
11816
11817 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
11818
11819         * tree-cfg.c (remove_forwarder_block): Fix the check to
11820         prevent a nonlocal label from appearing in the middle of a
11821         basic block.
11822
11823 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
11824
11825         PR rtl-optimization/19462
11826         * reorg.c (find_end_label): Create return insn only if
11827         current_function_epilogue_delay_list is empty.
11828
11829 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
11830
11831         * doc/passes.texi: Remove paragraph mentioning new-ra.
11832
11833 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
11834
11835         PR rtl-optimization/15139
11836         * combine.c: Include params.h.
11837         (count_rtxs): New function.
11838         (record_value_for_reg): If replace_rtx would replace at least
11839         2 occurrences of REG in VALUE and TEM is really large, replace REG with
11840         (clobber (const_int 0)) instead of TEM.
11841         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
11842         * params.h (MAX_LAST_VALUE_RTL): New.
11843         * Makefile.in (combine.o): Depend on $(PARAMS_H).
11844         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
11845
11846         PR c/17297
11847         * c-typeck.c (digest_init): Only call build_vector if all constructor
11848         elements are *_CST nodes.
11849         * gimplify.c (gimplify_init_constructor): Likewise.
11850
11851         PR middle-end/19164
11852         * c-typeck.c (digest_init): Only call build_vector if inside_init
11853         is a CONSTRUCTOR.
11854
11855 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11856
11857         * toplev.c (init_asm_output): Remove dead #ifdef.
11858
11859 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11860
11861         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
11862
11863 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11864
11865         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
11866         accessing DECL_FUNCTION_CODE.
11867         * dojump.c (do_jump): Likewise.
11868         * gimplify.c (gimplify_call_expr): Likewise.
11869         * predict.c (expr_expected_value): Likewise.
11870         (strip_builtin_expect): Likewise.
11871         * tree-inline.c (estimate_num_insns_1): Likewise.
11872         * tree-ssa-loop-im.c (stmt_cost): Likewise
11873         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
11874         (tree_expr_nonnegative_p): Likewise.
11875
11876 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11877
11878         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
11879         variant of the load_pcrel_sym pattern.
11880         * config/sparc/sparc.md (P macro): Move to the top.
11881         (load_pcrel_sym): Macroize using P.
11882         (save_register_window): Likewise.
11883
11884 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
11885
11886         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
11887         ("sordered"): Same.
11888
11889 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
11890
11891         PR C/19472
11892         * c-typeck.c (build_asm_expr): Strip nops off
11893         input memory operands.
11894
11895 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
11896
11897         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
11898         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
11899         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
11900         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
11901
11902 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
11903
11904         PR target/19379
11905         * config/i386/i386.c (override_options): If the 80387 is disabled,
11906         then do not return FP values using FP registers.
11907
11908 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
11909
11910         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
11911         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
11912         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
11913         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
11914         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
11915         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
11916         output.h, postreload-gcse.c, postreload.c, recog.c,
11917         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
11918         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
11919         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
11920         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
11921         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
11922         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
11923         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
11924         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
11925
11926         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
11927         config/alpha/alpha.c, config/arm/vfp.md,
11928         config/i386/emmintrin.h, config/i386/i386-modes.def,
11929         config/i386/i386-protos.h, config/i386/i386.h,
11930         config/i386/pmmintrin.h, config/i386/ppro.md,
11931         config/i386/predicates.md, config/i386/xmmintrin.h,
11932         config/i860/i860.c, config/ia64/ia64-modes.def,
11933         config/ia64/ia64-protos.h, config/ia64/ia64.h,
11934         config/ia64/ia64.md, config/ia64/itanium1.md,
11935         config/ia64/itanium2.md, config/ia64/predicates.md,
11936         config/iq2000/iq2000.h, config/mips/linux64.h,
11937         config/rs6000/aix41.h, config/rs6000/aix43.h,
11938         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
11939         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
11940         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
11941         config/sparc/linux64.h, config/sparc/litecoff.h,
11942         config/sparc/sp64-elf.h, config/sparc/sparc.c,
11943         config/sparc/sparc.h, config/sparc/sparc.md,
11944         config/sparc/sysv4-only.h: Update copyright.
11945
11946 2005-01-18  Richard Henderson  <rth@redhat.com>
11947
11948         PR target/19496
11949         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
11950
11951 2005-01-18  Marc Espie  <espie@openbsd.org>
11952         * config/i386/openbsdelf.h: Typo.
11953
11954 2005-01-18  Richard Henderson  <rth@redhat.com>
11955
11956         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
11957         special case for sse.
11958         * config/i386/predicates.md (sse_comparison_operator): Likewise.
11959
11960 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
11961
11962         * tree-inline.c (estimate_num_insns_1): Added cases for
11963         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
11964
11965 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
11966
11967         PR rtl-optimization/19296
11968         * combine.c (simplify_comparison): Rewrite the condition under
11969         which a non-paradoxical SUBREG of a PLUS can be lifted when
11970         compared against a constant.
11971
11972 2005-01-18  Andi Kleen <ak@muc.de>
11973
11974         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
11975         * c.opt (-Wpointer-sign): Add.
11976         * doc/invoke.texi: (-Wpointer-sign): Add.
11977
11978 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11979
11980         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
11981         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
11982         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
11983         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
11984         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
11985         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
11986         for TARGET_MIX_SSE_I387.
11987         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
11988         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
11989         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
11990         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
11991         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
11992         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
11993         TARGET_MIX_SSE_I387.
11994         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
11995         from expander.
11996
11997 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
11998
11999         PR target/19424
12000         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12001         Add movaps alternative for xmm reg->reg move.
12002
12003 2005-01-17  Jeff Law  <law@redhat.com>
12004
12005         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12006         at the end of the main DOM loop rather than just before DOM exits.
12007
12008 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
12009
12010         PR tree-optimization/19121
12011         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12012         adding aliases to a name tag, also add them to the pointer's
12013         type tag.
12014         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12015         sensitive alias info at all.  Only check that the two pointers
12016         have compatible pointed-to sets.
12017         * tree-ssa.c (verify_name_tags): Verify that the alias set of
12018         a pointer's type tag is a superset of the alias set of the
12019         pointer's name tag.
12020
12021 2005-01-17  James E Wilson  <wilson@specifixinc.com>
12022
12023         PR target/19357
12024         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
12025         comment to document why.
12026
12027 2005-01-17  Richard Henderson  <rth@redhat.com>
12028
12029         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12030         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12031         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12032         sse2_vmsminv2df3_finite): New.
12033         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12034         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12035         Force op1 into register.
12036
12037 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
12038
12039         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12040         bubblestrap from always rebuilding build directory.
12041
12042 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
12043
12044         * config/s390/s390.md ("*clc"): Remove incorrect '='.
12045         ("*cmpmem_short"): Likewise.
12046
12047 2005-01-17  Steven Bosscher  <stevenb@suse.de>
12048
12049         * basic-block.h: Document BB_* flags.
12050         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12051         use an sbitmap instead.
12052         * sched-rgn.c (compute_trg_info): Likewise.
12053
12054 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
12055
12056         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
12057         redundant target_cpu_default and extra_parts lines.  Use the default
12058         "from-abi" ISA.
12059         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12060         (SUBTARGET_EXTRA_SPECS): Delete.
12061         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
12062         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12063         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12064         and "n32" for -mabi=n32.
12065
12066 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12067
12068         PR c/5675
12069         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12070         fold constant variables into initial values.
12071
12072 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12073
12074         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12075
12076         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12077         through the statements backward.
12078
12079 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12080
12081         PR middle-end/13127:
12082         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12083         a variable set to the return value of the inlined function.
12084
12085 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
12086
12087         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12088         when modes are tieable.
12089
12090 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
12091
12092         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12093         of pthread_create to find out if threads are enabled.
12094         * gthr-posix95.h (__gthread_active_p): Likewise.
12095
12096 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
12097
12098         * common.opt (-fnew-ra): Remove.
12099         * ra*.*: Remove.
12100         * toplev.h (flag_new_regalloc): Remove.
12101         * Makefile.in (ra*.*): Don't mention.
12102         * passes.c (rest_of_handle_new_regalloc): Remove.
12103         (rest_of_handle_combine, rest_of_compilation): Always consider
12104         flag_new_regalloc as false.
12105         * doc/invoke.texi: Don't document -fnew-ra.
12106
12107 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
12108
12109         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12110         last parameter to reg_scan.
12111         * loop.c (loop_optimize): Likewise.
12112         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12113         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12114         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12115         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12116         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12117         * regclass.c (reg_scan): Likewise, for the declaration.
12118         * rtl.h (reg_scan): Likewise, for the prototype.
12119
12120 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12121
12122         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12123         mark_dfs_back_edges.
12124
12125 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
12126
12127         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12128         (compute_avail): Uses don't go in tmp_gen.
12129
12130 2005-01-16  Steven Bosscher  <stevenb@suse.de>
12131
12132         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12133         loop to look for a free slot in a page entry.
12134
12135 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12136
12137         PR target/16304
12138         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12139         * toplev.c (compile_file): Call process_pending_assemble_output_defs
12140         just before targetm.asm_out.file_end.
12141         * tree.h (process_pending_assemble_output_defs): Declare.
12142         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12143         New functions.
12144         (assemble_alias): Defer generation of assembly code for defines when
12145         TARGET_DEFERRED_OUTPUT_DEFS is true.
12146         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12147         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12148         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12149
12150 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12151
12152         PR target/19336
12153         * pa.c (pa_scalar_mode_supported_p): New function.
12154         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12155         * pa.h (MIN_UNITS_PER_WORD): Add comment.
12156
12157         * pa-protos.h (prefetch_operand): Delete.
12158         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12159         * pa.c (prefetch_operand): Delete.
12160         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12161         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12162         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
12163         and prefetch_nocc_operand.
12164         * pa.md (prefetch): Rework to avoid reload problems handling short
12165         displacements when a cache control completer needs to be provided.
12166         (prefetch_32, prefetch_64): Delete.
12167         (prefetch_cc, prefetch_nocc): New patterns.
12168
12169 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
12170
12171         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12172
12173 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12174
12175         PR ada/19388
12176         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12177         exceeds maximum alignment for global common data.
12178         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12179         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12180
12181 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12182
12183         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12184
12185 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12186
12187         * harg-reg-set.h (reg_class_names): Prototype global array.
12188         * regclass.c (reg_class_names): Declare here and initialize to
12189         REG_CLASS_NAMES.
12190         (dump_regclass): Remove local declaration of reg_class_names.
12191         (regclass): Likewise.
12192         * cfg.c (dump_flow_info): Likewise.
12193         * ra-debug.c (reg_class_names): Likewise.
12194         * regrename.c (reg_class_names): Likewise.
12195         * reload.c (reg_class_names): Likewise.
12196         * reload1.c (spill_failure): Likewise.
12197         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12198
12199 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
12200
12201         * config/s390/s390.md ("reload_outti"): Remove predicate for
12202         output operand.  Abort if operand is not a MEM.
12203         ("reload_outdi", "reload_outdf"): Likewise.
12204
12205 2005-01-15  Marc Espie  <espie@openbsd.org>
12206
12207         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12208         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12209         * config/openbsd.h:  Fix C++ includes for native configurations.
12210         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
12211         Add trampoline support.
12212         * config/i386/openbsdelf.h: New.
12213
12214 2005-01-15  Marc Espie  <espie@openbsd.org>
12215
12216         * collect2.c (main): Explicitly parse -dynamic-linker option.
12217
12218 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
12219
12220         PR tree-optimization/19060
12221         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12222         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12223         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12224         and handle extract_range_from_cond returning false.
12225         * fold-const.c (fold): Optimize comparisons with min/max even for
12226         width > HOST_BITS_PER_WIDE_INT.
12227
12228 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
12229
12230         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12231         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12232         Remove little endian multilib variants.
12233         Add mips32 multilib variant.
12234
12235 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
12236
12237         * explow.c (copy_all_reg, stabilize): Remove.
12238         * expr.h: Remove the corresponding prototypes.
12239
12240         * rtlanal.c (regs_set_between_p): Remove.
12241         * rtl.h: Remove the corresponding prototype.
12242
12243 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
12244
12245         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12246         to rs6000_nonimmediate_operand.
12247         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12248         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12249         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12250         rs6000_nonimmediate_operand.
12251         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12252         rs6000_nonimmediate_operand.
12253
12254 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
12255
12256         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12257
12258 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12259
12260         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12261         on e500v2.
12262         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12263         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12264
12265         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12266         (rs6k_nonimmediate_operand): New.
12267         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12268         correctly.
12269         (legitimate_lo_sum_address_p): Same.
12270         (rs6000_legitimize_address): Same.
12271         (rs6000_legitimize_reload_address): Same.
12272         (rs6000_legitimate_address): Same.
12273         (spe_build_register_parallel): Pass DF and DC modes in a DI
12274         register.
12275
12276         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12277         to rs6k_nonimmediate_operand.
12278
12279         * config/rs6000/spe.md ("*frob_df_di"): New.
12280         ("*frob_di_df"): New.
12281         ("*frob_di_df_2"): New.
12282         ("*mov_sidf_e500_subreg0"): New.
12283         ("*mov_sidf_e500_subreg4"): New.
12284         ("*movdf_e500_double"): Change predicate to
12285         rs6k_nonimmediate_operand.
12286
12287 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12288
12289         * postreload.c (move2add_note_store): Only call
12290         trunc_int_for_mode on scalar integers.
12291
12292 2005-01-14  Steven Bosscher  <stevenb@suse.de>
12293
12294         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12295         replace BB_VISITED uses.
12296         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12297         (propagate_necessity): Check the bitmap instead of BB_VISITED.
12298         (tree_dce_done): Free visited_control_parents.
12299         (perform_tree_ssa_dce): Allocate and clear it.
12300         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12301         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
12302         instead of BB_VISITED.
12303
12304 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
12305
12306         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12307         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12308         Remove unused prototypes.
12309
12310 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12311
12312         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12313         64-bit register usage.
12314         (spe_func_has_64bit_regs_p): Add FIXME note.
12315
12316 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12317
12318         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12319         flag_finite_math_only with flag_unsafe_math_optimizations.
12320
12321 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
12322
12323         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12324         end-of-stack check.
12325         (__tpf_eh_return): Copy TPF private stack area from the module
12326         boundary stack frame.  Add check for when module addresses are
12327         equal, but no stub address is found.
12328
12329 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
12330
12331         PR target/7525
12332         * arm.h (struct machine_function): Add call_via field.
12333         (thumb_call_via_label): Declare.
12334         * arm.c (thumb_call_via_label): New variable.
12335         (thumb_call_reg_needed): New variable.
12336         (arm_output_function_epilogue): For Thumb code, output any per-function
12337         call-indirect trampolines.
12338         (thumb_call_via_reg): New function.
12339         (arm_file_end): New function.
12340         (TARGET_ASM_FILE_END): Call arm_file_end.
12341         (aof_file_end): Likewise.
12342         * arm-protos.h (thumb_call_via_reg): Declare.
12343         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12344         thumb_call_via_reg in normal case.
12345
12346 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
12347
12348         PR middle-end/19084
12349         PR rtl-optimization/19348
12350         * recog.c (peephole2_optimize): Do global life update if some peephole
12351         decides it doesn't need at least one of its inputs and that change
12352         influences liveness at the start of the basic block.
12353
12354         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12355         arguments instead of 1.
12356
12357 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
12358
12359         PR middle-end/18820
12360         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12361         zero for nested functions needing a static chain or functions
12362         with a non-constant address.
12363
12364 2005-01-13  Roger Sayle  <roger@eyesopen.com>
12365
12366         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12367         (and (sign_extend X) C) into (zero_extend (and X C)).
12368
12369 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
12370
12371         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
12372
12373 2005-01-13  Richard Henderson  <rth@redhat.com>
12374
12375         PR target/19009
12376         PR target/19250
12377         PR target/19252
12378         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12379         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12380         not just TARGET_SSE.
12381         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
12382         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12383         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12384         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12385         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12386         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12387         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12388         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12389         (movdicc_c_rex64): Rename with '*'.
12390         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12391         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12392         (movsfcc_1_387): Rename from movsfcc_1.
12393         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12394         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12395         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12396         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12397         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12398         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12399         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12400         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12401         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12402         sse_movdfcc_const0_4): Remove.
12403         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12404         recognize min/max early.  Update for changed sse cmove patterns.
12405         (ix86_split_sse_movcc): New.
12406         * config/i386/i386-protos.h: Update.
12407
12408 2005-01-13  Steven Bosscher  <stevenb@suse.de>
12409
12410         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12411         (fix_stmt_v_may_defs): Likewise.
12412
12413 2005-01-13  Richard Henderson  <rth@redhat.com>
12414
12415         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12416         for converting the mask.
12417
12418 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
12419
12420         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12421         definition to 600.
12422
12423 2005-01-13  Richard Henderson  <rth@redhat.com>
12424
12425         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12426         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12427         IX86_BUILTIN_MOVDQ2Q): Remove.
12428         (IX86_BUILTIN_VEC_EXT_V4SI): New.
12429         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12430         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12431         shuffling.
12432         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12433         (sse2_pextrw): Fix immediate constraint.
12434         (sse2_loadq, sse2_loadq_rex64): Remove.
12435         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12436         Use __builtin_ia32_vec_ext_<size>.
12437         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12438
12439 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
12440
12441         * function.c (assign_parm_setup_block): Look inside original
12442         entry_parm when inspecting PARALLEL.
12443
12444 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
12445             Joel Sherrill  <joel@oarcorp.com>
12446
12447         PR target/19399
12448         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12449         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12450         rtems_gxx_recursive_mutex_init.
12451         (__gthread_recursive_mutex_lock): New function.
12452         (__gthread_recursive_mutex_trylock): Likewise.
12453         (__gthread_recursive_mutex_unlock): Likewise.
12454
12455 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
12456
12457         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12458
12459 2005-01-13  Jan Beulich  <jbeulich@novell.com>
12460
12461         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12462         (ashrti3_internal): Indicate output is early clobber. Generate result
12463         into output rather than first input. Use move for low word of output
12464         if shift count is exactly 64.
12465         (lshrti3_internal): Likewise.
12466
12467 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
12468
12469         PR target/18329
12470         PR target/18330
12471         * reload1.c (delete_output_reload): Don't delete an output reload
12472         if the pseudo lives longer than a single basic block.  Adjust and
12473         improve wording of comment.
12474
12475 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
12476
12477         PR target/19334
12478         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12479         of TYPE_SIZE where we mean the number of bytes.
12480
12481 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
12482
12483         * function.c (assign_parm_setup_block): Relax condition on
12484         multi-register optimization.
12485
12486 2005-01-12  Nick Clifton  <nickc@redhat.com>
12487
12488         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12489         an "in_delay_slot" attribute of "no" to prevent them being used in
12490         delay slots.  This is forbidden because they might generate
12491         exceptions.
12492
12493 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
12494
12495         PR target/19389
12496         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12497         with r->Y and Y->r.
12498
12499 2005-01-12  Nick Clifton  <nickc@redhat.com>
12500
12501         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12502         passed on to GAS) but do not define, as GAS no longer supports or
12503         needs the -m2000 option.
12504
12505 2005-01-11  Roger Sayle  <roger@eyesopen.com>
12506
12507         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12508         type as args of unprototyped builtins aren't automatically promoted.
12509         (fold_builtin_abs): Likewise.
12510
12511 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12512
12513         * Makefile.in: Set a `build-warn' variable.
12514
12515 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
12516
12517         PR tree-optimization/17949
12518         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12519         (find_interesting_uses_address): Use it.
12520
12521 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
12522
12523         * regrename.c (kill_value): Handle subreg's that won't simplify.
12524
12525 2005-01-11  Richard Henderson  <rth@redhat.com>
12526
12527         PR target/13366
12528         * config/i386/i386.h (enum ix86_builtins): Move ...
12529         * config/i386/i386.c: ... here.
12530         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12531         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12532         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12533         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12534         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
12535         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12536         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12537         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12538         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12539         IX86_BUILTIN_LOADDDUP): Remove.
12540         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12541         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12542         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12543         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12544         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12545         (ix86_init_builtins): Make static.
12546         (ix86_init_mmx_sse_builtins): Update for changed builtins.
12547         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12548         if all the modes match.  Otherwise, fake it.
12549         (get_element_number, ix86_expand_vec_init_builtin,
12550         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12551         (ix86_expand_builtin): Make static.  Update for changed builtins.
12552         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12553         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
12554         (ix86_expand_vector_init_duplicate): New.
12555         (ix86_expand_vector_init_low_nonzero): New.
12556         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12557         Split out from ix86_expand_vector_init; handle integer modes.
12558         (ix86_expand_vector_init): Use them.
12559         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12560         * config/i386/i386-protos.h: Update.
12561         * config/i386/predicates.md (reg_or_0_operand): New.
12562         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12563         (movv2sf_internal): Likewise.  And a splitter to match them all.
12564         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12565         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12566         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12567         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12568         (mmx_pinsrw): Fix operand ordering.
12569         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12570         rather than sse_loadss expander.
12571         (movv2df splitter): Similarly.
12572         (sse_loadss, sse_loadlss): Remove.
12573         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12574         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12575         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12576         (sse3_movddup): Rename with '*'.
12577         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12578         (sse2_loadsd): Remove.
12579         (vec_dupv2df_sse3): Rename from sse3_loadddup.
12580         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12581         (sse2_pinsrw): Fix argument ordering.
12582         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12583         (sse2_stored): Remove 'r' destination.
12584         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
12585         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
12586         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
12587         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
12588         vec_extractv16qi, vec_initv16qi): New.
12589
12590         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
12591         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
12592         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
12593         constructor form.
12594         (_mm_load_pd, _mm_store_pd): Use plain dereference.
12595         (_mm_load_si128, _mm_store_si128): Likewise.
12596         (_mm_load1_pd): Use _mm_set1_pd.
12597         (_mm_load_sd): Use _mm_set_sd.
12598         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
12599         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
12600         (_mm_set_epi64): Use _mm_set_epi64x.
12601         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
12602         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
12603         _mm_setr_epi8): Use _mm_set_foo form.
12604         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
12605         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
12606         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
12607         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
12608         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
12609         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
12610         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
12611         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
12612         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
12613         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
12614         (_mm_movedup_pd): Use _mm_shuffle_pd.
12615         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
12616         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
12617         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
12618         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
12619         Use _mm_setzero_ps.
12620         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
12621         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
12622         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
12623         (_mm_store_ps): Use raw dereference.
12624         (_mm_store1_ps): Use _mm_storeu_ps.
12625         (_mm_storer_ps): Use _mm_store_ps.
12626         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
12627         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
12628
12629 2005-01-11  Stan Shebs  <shebs@apple.com>
12630
12631         * config/rs6000/rs6000.c (machopic_output_stub): Issue
12632         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
12633
12634 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
12635
12636         PR target/18761
12637         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
12638         Skip all DECLs except for FIELD_DECLs.
12639
12640 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12641
12642         * config/s390/s390.c (override_options): Return error if
12643         -mbackchain, -mpacked-stack and -mhard-float are used together.
12644         (s390_va_start): Remove the backchain && packed-stack special case.
12645         (s390_gimplify_va_arg): Likewise.
12646         * doc/invoke.texi: Remove the ABI incompatibility note.
12647
12648 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
12649
12650         * config/s390/s390.c (struct s390_frame_layout): Remove
12651         save_backchain_p.
12652         (s390_frame_info, s390_emit_prologue): Replace occurrences of
12653         save_backchain_p with TARGET_BACKCHAIN.
12654
12655 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12656
12657         PR target/18916
12658         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
12659         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
12660         * function.c (locate_and_pad_parm): Set new field.
12661         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
12662         Tweak where_pad test to include "none".  Always set mem align for
12663         stack_parm.
12664         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
12665         not sufficient for type.
12666         (assign_parm_setup_block): If stack_parm is zero on entry, always
12667         make a new stack local.  Block move old stack parm if necessary
12668         to new aligned stack local.
12669         (assign_parm_setup_stack): Use a block move to handle
12670         potentially misaligned entry_parm.
12671         (assign_parms_unsplit_complex): Specify required alignment when
12672         creating stack local.
12673         * calls.c (compute_argument_addresses): Override alignment of stack
12674         arg calculated from its type with the alignment given by
12675         FUNCTION_ARG_BOUNDARY.
12676         (store_one_arg): Likewise.
12677
12678 2005-01-11  Jan Beulich  <jbeulich@novell.com>
12679
12680         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
12681         Change respective itanium_class attribute to ialu.
12682         (shladdp4_internal): New.
12683         * config/ia64/predicates.md (shladd_log2_operand): New.
12684
12685 2005-01-11  Richard Henderson  <rth@redhat.com>
12686
12687         * expr.c (store_constructor): Use rtvec_alloc instead of
12688         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
12689
12690 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
12691
12692         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
12693
12694 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
12695
12696         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
12697         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
12698         (TARGET_RWRELOC): Define.
12699         (ia64_rwreloc_section_type_flags): Delete.
12700         (ia64_section_type_flags): New function.
12701         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
12702         (TARGET_RWRELOC): Define.
12703
12704 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
12705
12706         PR target/18987
12707         * config/ia64/ia64.c (process_set): For alloc insn, only call
12708         process_epilogue is !frame_pointer_needed.
12709
12710 2005-01-10  Roger Sayle  <roger@eyesopen.com>
12711
12712         PR c++/19355
12713         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
12714         unary operator and can't be treated as a binary/comparison operator.
12715
12716 2005-01-10  Richard Henderson  <rth@redhat.com>
12717
12718         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
12719         (ix86_return_in_memory): Likewise.
12720         (function_arg_advance):  Likewise.  Mirror structure in function_arg
12721         for choosing register to advance.
12722
12723 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
12724
12725         * tree-vectorizer.c, tree.def: Fix comment typos.
12726
12727 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
12728
12729         * config/s390/s390.c (struct processor_costs): 4 new fields:
12730         ddbr, ddr, debr, der.
12731         (s390_rtx_costs): More precise handling of divide instructions.
12732
12733 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
12734
12735         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
12736
12737 2005-01-10  Jan Beulich  <jbeulich@novell.com>
12738
12739         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
12740         names resulting from -ffunction-sections/-fdata-sections and linkonce
12741         ones.
12742         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
12743         based on the section name. Rearrange the section name comparison logic
12744         slightly so that each section name is compared against at most once.
12745
12746 2005-01-10  Ben Elliston  <bje@au.ibm.com>
12747
12748         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
12749         targets for which -fPIC reduces limitations on the GOT size.
12750
12751 2005-01-09  Falk Hueffner  <falk@debian.org>
12752
12753         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
12754         X/C1 cmpop C2.
12755
12756 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
12757
12758         PR target/18720
12759         * collect2.c (main): Set aixrtl_flag for -brtl option.
12760         (resolve_lib_name): Search for .so file extension before .a
12761         if aixrtl_flag set.
12762
12763 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
12764
12765         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
12766         (vect_analyze_data_refs_alignment): Add dump prints.
12767
12768 2005-01-09  Ira Rosen  <irar@il.ibm.com>
12769
12770         * tree-vectorizer.c (vect_analyze_offset_expr): Use
12771         expr_invariant_in_loop_p.
12772         Initialize outputs first thing in the function.
12773         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
12774         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
12775         (vect_analyze_pointer_ref_access): Check that the initial condition of
12776         the access function is loop invariant.
12777
12778 2005-01-09  Richard Henderson  <rth@redhat.com>
12779
12780         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
12781         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
12782         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
12783         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
12784         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
12785         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
12786         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
12787         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
12788         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
12789         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
12790         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
12791         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
12792         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
12793         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
12794         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
12795         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
12796         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
12797         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
12798         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
12799         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
12800         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
12801         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
12802         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
12803         mmx_ prefix.
12804         (mmx_clrdi, pavgusb): Remove.
12805         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
12806         with leading sse_ prefix.
12807         * config/i386/sse.md: Receive them.
12808         * config/i386/mmx.md: New file.
12809         (MMXMODE12, MMXMODE24, mmxvecsize): New.
12810         (subrv2sf3): Turn into expander for normal subtraction.
12811         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
12812         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
12813         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
12814         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
12815         commutative; use ix86_binary_operator_ok.
12816         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
12817         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
12818         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
12819         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
12820         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
12821         Macroize from existing patterns; use ix86_binary_operator_ok.
12822         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
12823         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
12824         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
12825         with vec_select+vec_concat.
12826         (mmx_pshufw, mmx_pshufw_1): Likewise.
12827         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
12828         (mmx_uavgv4hi3): Model correctly.
12829         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
12830         _mm_xor_si64): Remove casts.
12831
12832 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
12833
12834         PR tree-optimization/19224
12835         * tree-scalar-evolution.c (get_instantiated_value,
12836         set_instantiated_value): New functions.
12837         (instantiate_parameters_1): Cache the results.
12838         (instantiate_parameters, resolve_mixers): Initialize and free
12839         the cache.
12840
12841 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
12842
12843         * config/i386/i386.md (addhi_4): Correct reference in comment.
12844         (addqi_4): Same.
12845
12846 2005-01-08  Richard Henderson  <rth@redhat.com>
12847
12848         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
12849         (_mm_cvtsi128_si64x): Likewise.
12850         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
12851         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
12852         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
12853         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
12854         * config/i386/i386-protos.h: Update.
12855         * config/i386/i386.c (print_operand): Add 'H'.
12856         (ix86_fixup_binary_operands): Split out from ...
12857         (ix86_expand_binary_operator): ... here.
12858         (ix86_fixup_binary_operands_no_copy): New.
12859         (ix86_expand_fp_absneg_operator): Handle vector mode results.
12860         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
12861         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
12862         (safe_vector_operand): Use CONST0_RTX.
12863         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
12864         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
12865         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
12866         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
12867         special cases.
12868         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
12869         (IX86_BUILTIN_CMPNGESS): New.
12870         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
12871         (attr type): Add sselog1.
12872         (attr unit, attr memory): Handle it.
12873         (movti, movti_internal, movti_rex64): Move near other integer moves.
12874         (movtf, movtf_internal): Move near other fp moves.
12875         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
12876         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
12877         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
12878         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
12879         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
12880         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
12881         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
12882         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
12883         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
12884         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
12885         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
12886         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
12887         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
12888         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
12889         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
12890         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
12891         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
12892         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
12893         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
12894         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
12895         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
12896         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
12897         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
12898         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
12899         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
12900         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
12901         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
12902         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
12903         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
12904         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
12905         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
12906         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
12907         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
12908         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
12909         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
12910         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
12911         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
12912         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
12913         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
12914         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
12915         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
12916         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
12917         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
12918         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
12919         same time.
12920         (SSEPUSH, push<SSEPUSH>): Remove.
12921         (MMXPUSH, push<MMXPUSH>): Remove.
12922         (sse_movaps, sse_movaps_1, sse_movups): Remove.
12923         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
12924         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
12925         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
12926         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
12927         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
12928         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
12929         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
12930         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
12931         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
12932         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
12933         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
12934         (ppro_sse_log_V4SF): Handle sselog1.
12935         * config/i386/predicates.md (const_0_to_1_operand): New.
12936         (const_0_to_255_mul_8_operand): New.
12937         (const_1_to_31_operand): Rename from const_int_1_31_operand.
12938         (const_2_to_3_operand, const_4_to_7_operand): New.
12939         * config/i386/sse.md: New file.
12940         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
12941         (sse_movups): Rename from sse_movups_1.
12942         (sse_loadlss): Rename from sse_loadss_1.
12943         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
12944         from the name.
12945         (negv4sf2): Use ix86_expand_fp_absneg_operator.
12946         (absv4sf2, negv2df, absv2df): New.
12947         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
12948         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
12949         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
12950         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
12951         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
12952         (sse3_addsubv4sf3): Model correctly.
12953         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
12954         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
12955         (sse_movhlps): Model with vec_select+vec_concat.
12956         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
12957         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
12958         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
12959         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
12960         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
12961         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
12962         sse2_pshufhw_1): Likewise.
12963         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
12964         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
12965         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
12966         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
12967         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
12968         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
12969         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
12970         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
12971         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
12972         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
12973         sminv8hi3): Mark commutative
12974         operands.  Use ix86_binary_operator_ok.
12975         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
12976         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
12977         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
12978         sse2_punpcklqdq): Allow operand2 in memory.
12979         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
12980         sse2_movsd): Add memory alternatives.
12981         (sse_storelps): Turn expander into an insn; split after reload.
12982         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
12983         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
12984
12985 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
12986
12987         * configure.ac (DWARF-2 debug_line): Use objdump.
12988         * configure: Regenerate.
12989
12990 2005-01-08  Jeff Law  <law@redhat.com>
12991             Diego Novillo  <dnovillo@redhat.com>
12992
12993         PR tree-optimization/18241
12994         * tree-nrv.c (tree_nrv): Ignore volatile return values.
12995         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
12996         statements with volatile operands.
12997         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
12998         operands after marking a statement with has_volatile_ops.
12999
13000 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13001
13002         * tree.c (int_fits_type_p): Always honor integer constant
13003         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13004
13005 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13006
13007         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13008         the latent bug in rtl_delete_block has been resolved.
13009
13010 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13011
13012         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13013         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13014
13015 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13016
13017         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13018         library as @multilib_dir@/$(SHLIB_SONAME).
13019
13020 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13021
13022         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13023         * configure: Regenerate.
13024
13025 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13026
13027         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13028         TYPE_MODE.
13029
13030 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
13031
13032         PR target/13674
13033         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13034         Convert non-word aligned offset address using ld/std into
13035         indirect address.
13036
13037 2005-01-07  Richard Henderson  <rth@redhat.com>
13038
13039         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13040
13041 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
13042
13043         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13044
13045 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13046
13047         PR tree-optimization/19283
13048         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13049         is not shorter than the original type.
13050
13051         PR rtl-optimization/19012
13052         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13053
13054         PR rtl-optimization/18861
13055         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13056         (FULL_STATE): Define.
13057         (mark_tablejump_edge): New function.
13058         (purge_dead_tablejump_edges): New function.
13059         (find_bb_boundaries): Use it.
13060
13061         PR tree-optimization/18828
13062         * builtins.c (expand_builtin_next_arg): Remove argument and all
13063         the argument checking.
13064         (expand_builtin): Adjust caller.
13065         (expand_builtin_va_start): Likewise.  Remove error for too many
13066         arguments.
13067         (fold_builtin_next_arg): Issue error for too many arguments.
13068         After checking arguments, replace them with magic arguments that
13069         prevent further checking of the args.
13070
13071 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13072
13073         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13074
13075 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13076
13077         PR target/6077
13078         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13079         and %{.S:...} (and their negative variants) to test whether the
13080         input file is assembler or pre-processed-assembler independent of
13081         the actual filename extension.
13082
13083 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13084
13085         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13086         of sign or zero extended values.
13087
13088 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
13089
13090         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13091         for IBM long double format correctly.
13092
13093 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
13094
13095         Fix PR tree-optimization/18792
13096
13097         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13098         to first_loop_depth, and use loop depth instead of loop number.
13099         (build_classic_dir_vector): Ditto.
13100         (compute_data_dependences_for_loop): Use depth, not loop number.
13101         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13102         number. Pass in loops, instead of loop numbers.
13103         (gather_interchange_stats): Ditto.
13104         (linear_transform_loops): Ditto.
13105
13106 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
13107
13108         PR rtl-opt/13299
13109         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13110         biv_fits_mode_p, extension_within_bounds_p): New functions.
13111         (check_ext_dependent_givs): Use them.
13112
13113 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13114
13115         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13116         more than one barrier, in which case we should delete them all.
13117
13118 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
13119
13120         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13121
13122 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
13123
13124         Fix PR middle-end/19286
13125         Fix PR debug/19267
13126         * dwarf2out.c (gen_subprogram_die): If we've already tried to
13127         output this subprogram, simply ignore this attempt to do it again.
13128         (add_abstract_origin_attribute): Don't abort trying to add the abstract
13129         origin attribute if it's not possible.
13130         (gen_block_die): Don't ignore subblocks of "unused" blocks.
13131         (decls_for_scope): Ditto.
13132         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13133         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13134
13135 2005-01-05  Richard Henderson  <rth@redhat.com>
13136
13137         PR target/11327
13138         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13139         (bdesc_2arg): Use it.
13140         (ix86_expand_binop_builtin): Force operands into registers
13141         when optimizing.
13142         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13143         ix86_expand_sse_compare, ix86_expand_sse_comi,
13144         ix86_expand_builtin): Likewise.
13145
13146 2005-01-05  Richard Henderson  <rth@redhat.com>
13147
13148         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13149         and VEC_SELECT.
13150         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13151         (mulv4hi3): Set itanium_class mmmul.
13152         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13153         (fpack): Rename from fpack_sfsf.
13154
13155 2005-01-05  Richard Henderson  <rth@redhat.com>
13156
13157         PR rtl-opt/10692
13158         * reload1.c (do_input_reload): Restrict the optimization deleteing
13159         a previous output reload to RELOAD_FOR_INPUT.
13160
13161 2005-01-05  Steven Bosscher  <stevenb@suse.de>
13162
13163         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
13164         comment that we fall through after case.
13165         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13166         (distribute_links): Likewise.
13167         * cse.c (cse_insn): Likewise.
13168         * cselib.c (cselib_invalidate_mem): Likewise.
13169         * df.c: Update comments at the top of the file.
13170         (read_modify_subreg_p): Update comments here too.
13171         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13172         * flow.c (mark_set_1): Likewise.
13173         (mark_used_regs): Likewise.
13174         * gcse.c (mems_conflict_for_gcse_p): Likewise.
13175         (canon_list_insert): Likewise.
13176         (mark_set): Likewise.
13177         (try_replace_reg): Likewise.
13178         (store_killed_in_insn): Likewise.
13179         * loop.c (count_one_set): Likewise.
13180         (basic_induction_var): Likewise.
13181         * postreload-gcse.c (find_mem_conflicts): Likewise.
13182         * postreload.c (reload_combine_note_store): Likewise.
13183         (move2add_note_store): Likewise.
13184         * reload.c (find_equiv_reg): Likewise.
13185         (mark_referenced_resources): Likewise.
13186         * rtlanal.c (set_noop_p): Likewise.
13187         (note_stores): Likewise.
13188         (note_uses): Likewise.
13189         * sched-deps.c (sched_analyze_1): Likewise.
13190         * sched-rgn.c (check_live_1): Likewise.
13191         (update_live_1): Likewise.
13192         * config/i860/i860.c: Likewise.
13193
13194         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13195         an lvalue.
13196         (ZERO_EXTRACT): Mention that this one can be an lvalue.
13197
13198         * doc/rtl.texi: Update documentation for bit-fields and SET.
13199
13200 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13201
13202         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13203
13204 2005-01-05  Jan Hubicka  <jh@suse.cz>
13205             Richard Henderson  <rth@redhat.com>
13206
13207         PR target/18910
13208         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13209         with an offset.
13210
13211 2005-01-05  Richard Henderson  <rth@redhat.com>
13212
13213         PR target/12902
13214         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13215         (sse_shufps): Change operand 3 to const_int_operand.
13216         (sse2_storelps): Fix typo in template.
13217         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13218         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13219         (ix86_expand_builtin): Likewise.
13220
13221 2005-01-05  Julian Brown  <julian@codesourcery.com>
13222
13223         * config/arm/arm.c (arm_return_in_memory): Treat complex types
13224         as aggregates for AAPCS ABIs.
13225
13226 2005-01-05  Stan Shebs  <shebs@apple.com>
13227
13228         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13229         Mach-O getters if ppc64.
13230         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13231         size argument.
13232         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13233         signed four-byte field for global code case.
13234         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13235
13236 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13237
13238         PR middle-end/19100
13239         * c-common.c: Include real.h.
13240         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13241         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13242         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13243         * Makefile.in (c-common.o): Update dependencies.
13244
13245 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13246
13247         * c-parse.in (asm_string): Add trailing semicolon.
13248
13249 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13250
13251         * c-parse.in (asm_string): New.  Don't allow wide strings in
13252         'asm'.
13253         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13254         asm_string instead of STRING.
13255
13256 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13257
13258         * c-typeck.c (constructor_no_implicit): Remove.
13259         (set_designator, process_init_element): Don't check
13260         constructor_no_implicit.
13261
13262 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
13263             Kaz Kojima  <kkojima@gcc.gnu.org>
13264
13265         PR target/16482
13266         * lcm.c (create_pre_exit): New.
13267         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13268         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
13269
13270 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13271
13272         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13273         -msoft-float in target_float_switch.
13274         * arm.c (arm_override_options): Fix processing of target_float_switch.
13275
13276 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13277
13278         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13279         preferencing.
13280
13281 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
13282
13283         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13284         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13285
13286 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13287
13288         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13289         if deleting the then-block allows the test-block to fallthru to the
13290         else-block.
13291
13292 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
13293
13294         PR c/19152
13295         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13296         after the full declaration if the are in two different TUs.
13297
13298 2005-01-04  Richard Henderson  <rth@redhat.com>
13299
13300         PR tree-opt/19158
13301         * tree-sra.c (generate_one_element_init): Just
13302         call gimplify_and_add.
13303         (generate_element_init): Record the
13304         new referenced variables and mark them for renaming
13305         and split out to ...
13306         (generate_element_init_1): This.
13307         (scalarize_init): Don't call push_gimplify_context/
13308         pop_gimplify_context.
13309
13310 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
13311
13312         * toplev.c (get_src_pwd): Handle failure of getpwd().
13313
13314 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13315
13316         * fold-const.c (fold_single_bit_test): Delete unreachable handling
13317         of TRUTH_NOT_EXPR.
13318         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13319         all the cases handled by it are inverted by invert_truthvalue.
13320
13321 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13322
13323         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13324         (save_register_windowsi): Likewise.
13325
13326 2005-01-04  Richard Henderson  <rth@redhat.com>
13327
13328         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13329
13330 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13331
13332         PR middle-end/17767
13333         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13334         any simplifications of vector mode comparison operators.
13335         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13336
13337 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
13338             Devang Patel  <dpatel@apple.com>
13339
13340         PR tree-optimization/18308
13341         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13342         the operands before creating a new expression.
13343         * dojump.c (do_jump): Make drop_through_label available
13344         for all cases.  Add expansion of COND_EXPR.
13345
13346 2005-01-04  Ira Rosen  <irar@il.ibm.com>
13347
13348         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13349         INTEGER_CST instead of TREE_CONSTANT.
13350         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13351         instead of TREE_CONSTANT.
13352         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13353         instead of TREE_CONSTANT.
13354
13355 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13356
13357         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13358
13359 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13360
13361         PR target/19240
13362         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13363         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13364
13365 2005-01-03  Richard Henderson  <rth@redhat.com>
13366
13367         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13368         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13369         fold_convert_const_real_from_real): Split out from ...
13370         (fold_convert_const): ... here.
13371
13372 2005-01-03  Richard Henderson  <rth@redhat.com>
13373
13374         PR target/19235
13375         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13376         (mov<MMXMODEI>_internal): Likewise.
13377         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13378         Add V2SF case; use it for SSE1; don't use TI.
13379         (movdf_integer): Likewise.
13380         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13381
13382 2005-01-03  Ira Rosen  <irar@il.ibm.com>
13383
13384         * tree-vectorizer.c (vect_strip_conversions): New function.
13385         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13386         check for binary class.
13387
13388 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
13389
13390         Fix PR debug/17924
13391         Fix PR debug/19191
13392         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13393         is a decl.
13394         * gimple-low.c (mark_blocks_with_used_vars): New function.
13395         (mark_blocks_with_used_subblocks): Ditto.
13396         (mark_used_blocks): Ditto.
13397         (pass_mark_used_blocks): New pass.
13398         * tree-inline.c: Include debug.h.
13399         (expand_call_inline): Call outlining_inline_function here.
13400         * tree-optimize.c (init_tree_optimization_passes): Add
13401         pass_mark_used_blocks.
13402         * tree-pass.h (pass_mark_used_blocks): New.
13403         * Makefile.in (tree-inline.o): Add debug.h dependency.
13404
13405 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
13406
13407         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13408         VAR_DECLs to have weak_import attribute.
13409
13410         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13411         'struct ucontext'.
13412
13413 2004-01-03  Steven Bosscher  <stevenb@suse.de>
13414
13415         * passes.c (rest_of_compilation): Don't run regmove if only
13416         flag_expensive_optimizations, require flag_regmove instead.
13417
13418 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13419
13420         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13421         register "sparc".
13422         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13423         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13424         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13425         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13426
13427 2005-01-03  Richard Henderson  <rth@redhat.com>
13428
13429         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13430         (ia64_const_ok_for_letter_p): New.
13431         (ia64_const_double_ok_for_letter_p): New.
13432         (ia64_extra_constraint): New.
13433         (ia64_expand_vecint_compare): New.
13434         (ia64_expand_vcondu_v2si): New.
13435         (ia64_expand_vecint_cmov): New.
13436         (ia64_expand_vecint_minmax): New.
13437         (ia64_print_operand): Add 'v'.
13438         (ia64_preferred_reload_class): New.
13439         (ia64_vector_mode_supported_p): New.
13440         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13441         (PREFERRED_RELOAD_CLASS): Move to function.
13442         (CONST_OK_FOR_LETTER_P): Move to function.
13443         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13444         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13445         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13446         (EXTRA_CONSTRAINT): Move to function.
13447         * config/ia64/ia64.md: Include vect.md.
13448         (itanium_class): Add mmalua.
13449         (type): Handle it.
13450         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
13451         (1b_mmalua): New.
13452         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13453         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13454         CONST0_RTX.
13455         (const_int_2bit_operand): New.
13456         (fr_reg_or_0_operand): New.
13457         * config/ia64/ia64-modes.def: Add vector modes.
13458         * config/ia64/ia64-protos.h: Update.
13459         * config/ia64/vect.md: New file.
13460
13461 2005-01-03  Richard Henderson  <rth@redhat.com>
13462
13463         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13464
13465 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
13466
13467         PR target/19236
13468         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13469         to SFmode.
13470         (log1pdf2): Change mode of operands[0,1] to DFmode.
13471
13472 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13473
13474         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13475         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13476         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13477         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13478         SPARC_RELAXED_ORDERING.
13479
13480 2005-01-03  Richard Henderson  <rth@redhat.com>
13481             Uros Bizjak  <uros@kss-loka.si>
13482
13483         PR target/14631
13484         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13485         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13486         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13487         handling.
13488         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13489         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13490         const_pow2_1_to_128_operand): New predicates.
13491
13492 2005-01-02  Greg McGary  <greg@mcgary.org>
13493
13494         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13495         anonymous decls.
13496         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13497         object.  [ptr_type]: Remove unused variable.
13498         Remember nearest addressable array-element or record-component
13499         when checking bitfield components.  Tolerate empty BIND_EXPR.
13500
13501 2005-01-01  Richard Henderson  <rth@redhat.com>
13502
13503         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13504         that don't narrow the value.  Fail for other conversions.
13505
13506 2005-01-01  Richard Henderson  <rth@redhat.com>
13507
13508         PR c/19031
13509         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13510         * c-lang.c (finish_file): Don't do it here.
13511         * objc/objc-act.c (objc_finish_file): Likewise.
13512
13513         * cgraph.c (decl_assembler_name_equal): New.
13514         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13515         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13516         * cgraph.h (struct cgraph_varpool_node): Add next.
13517         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13518         * varasm.c (assemble_alias): Mark the target as needed.
13519
13520 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
13521
13522         PR middle-end/19221
13523         * function.c (get_arg_pointer_save_area): Use entry_of_function
13524         instead of get_insns.
13525
13526 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13527             Andrew Pinski  <pinskia@physics.uc.edu>
13528             James E. Wilson  <wilson@specifixinc.com>
13529
13530         PR rtl-optimization/12092
13531         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13532         is zero.
13533
13534 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13535             Olivier Hainque  <hainque@act-europe.fr>
13536
13537         * tree.c (int_fits_type_p): A narrower type always fits in a
13538         wider one, except for negative values into unsigned types.
13539
13540 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13541
13542         * tree.c (int_fits_type_p): Compare the result of force_fit_type
13543         with the original constant rather than require TREE_OVERFLOW.
13544
13545 2005-01-01  Steven Bosscher  <stevenb@suse.de>
13546
13547         PR middle-end/17544
13548         * c-decl.c (finish_function): If compiling C99, annotate the
13549         compiler generated return with the current file name and line 0.
13550         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13551         the source line is greater than 0.
13552         (remove_bb): Likewise.