gcc/ChangeLog

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