gcc/ChangeLog

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