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