gcc/ChangeLog

   1 2005-01-09  Jeff Law  <law@redhat.com>
   2
   3         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
   4         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
   5         now unused arguments.  Callers updated.
   6         (eliminate_redundant_computations): Remove now unused arguments,
   7         callers updated.
   8         (local_fold): Remove, no longer used.
   9         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
  10         and moved to...
  11         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
  12         (simplify_cond): New function.
  13         (forward_propagate_into_cond): Call simplify_cond.
  14
  15 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
  16
  17         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
  18         (*vec_extractv2di_1_sse): New.
  19
  20 2006-01-09  Ben Elliston  <bje@au.ibm.com>
  21
  22         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
  23
  24 2006-01-08  Richard Guenther  <rguenther@suse.de>
  25
  26         * tree-ssa-structalias.c (get_constraint_for): Remove
  27         anyoffset argument.
  28         (get_constraint_for_component_ref): Likewise.
  29         (do_deref): Likewise.
  30         (get_constraint_for): Likewise.
  31         (do_structure_copy): Likewise.
  32         (handle_ptr_arith): Likewise.
  33         (find_func_aliases): Likewise.  Remove unused need_anyoffset
  34         variable.
  35
  36 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
  37             Kaz Kojima  <kkojima@gcc.gnu.org>
  38
  39         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
  40         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
  41         (EXTRA_CONSTRAINT_C16): Remove.
  42         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
  43         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
  44         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
  45         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
  46         constants of SHmedia.  Handle nested constant expressions of
  47         SHmedia correctly.
  48         (andcosts): Fix the costs for SHmedia constants.
  49         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
  50         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
  51         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
  52         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
  53         (movv4hi_i, movv2si_i): Likewise.
  54         (movsi_const): Adjust the second operand of ior so to match with
  55         the Csu constraint.
  56         (movdi_const, movdi_const_32bit): Likewise.
  57         (movdi_const_16bit+1): Don't sign-extend LOW.
  58         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
  59         step.
  60         (*double_shori): Fix the split condition.  Use GEN_INT instead
  61         of get_int_mode calls.  Mask lower 16-bit of the argument of
  62         the last GEN_INT.
  63         (sym2GOTPLT): Remove.
  64         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
  65         gen_rtx_UNSPEC.
  66         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
  67         instead of EXTRA_CONSTRAINT_C16.
  68
  69 2006-01-07  Ian Lance Taylor  <ian@airs.com>
  70             David Edelsohn  <edelsohn@gnu.org>
  71
  72         PR rtl-optimization/25662
  73         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
  74         for constant operands instead of simplify_gen_binary.
  75         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
  76         after trying simplify_binary_operation
  77
  78 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
  79
  80         * tree.c (iterative_hash_expr): Hash decls based on UID.
  81
  82 2006-01-06  Eric Christopher  <echristo@apple.com>
  83
  84         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
  85         (TARGET_UNWIND_EMIT): Fix spelling.
  86         * target.h (gcc_target): Add except_table_label.
  87         * except.c (output_function_exception_table): Use.
  88         * varasm.c (default_emit_except_table_label): New.
  89         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
  90         define.
  91         (asm_out): Add here.
  92         * output.h (default_emit_except_table_label): Prototype.
  93         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
  94         * config/darwin.c (darwin_emit_except_table_label): Define.
  95         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
  96
  97 2005-01-06  Zdenek Dvorak <dvorakz@suse.cz>
  98
  99         PR tree-optimization/18527
 100         * tree-ssa-loop-niter.c (number_of_iterations_cond,
 101         number_of_iterations_special, number_of_iterations_exit):
 102         Move base and step of an iv to a single structure.  Add
 103         no_overflow flag, and use it in # of iterations analysis.
 104         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
 105         folded_casts argument.
 106         (simple_iv): Pass base and step in a structure.  Set no_overflow
 107         flag.
 108         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
 109         Evaluate expensiveness of computing # of iterations instead of
 110         the final expression.
 111         * tree-scalar-evolution.h (affine_iv): New structure.
 112         (simple_iv): Declaration changed.
 113         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
 114         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
 115         find_givs_in_stmt): Changed due to simple_iv change.
 116
 117 2005-01-06  Jeff Law  <law@redhat.com>
 118
 119         PR ada/24994
 120         * tree-cfg.c (bsi_replace): Rename final argument from
 121         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
 122         change (stmt -> orig_stmt).
 123         * tree-eh.c (verify_eh_throw_stmt_node): New function.
 124         (bsi_remove): Add new argument.  Remove EH information
 125         if requested.
 126         (verify_eh_throw_table_statements): New function.
 127         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
 128         updated.
 129         * tree-optimize.c (execute_free_cfg_annotations): Verify
 130         the EH throw statement table after removing annotations.
 131         * except.h (verify_eh_throw_table_statements): Prototype.
 132         * tree-flow.h (bsi_remove): Update prototype.
 133         * tree-vrp.c (remove_range_assertions): Add new argument to
 134         bsi_remove call.
 135         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
 136         * tree-complex.c (expand_complex_div_wide): Likewise.
 137         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
 138         * tree-tailcall.c (eliminate_tailcall): Likewise.
 139         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
 140         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
 141         * tree-nrv.c (tree_nrv): Likewise.
 142         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
 143         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
 144         (combine_blocks): Likewise.
 145         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
 146         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
 147         (cleanup_control_flow): Likewise.
 148         (remove_forwarder_block): Likewise.
 149         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
 150         * tree-sra.c (sra_replace): Likewise.
 151         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
 152         (forward_propagate_single_use_vars): Likewise.
 153         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
 154         * tree-inline.c (expand_call_inline): Likewise.
 155         * tree-vect-transform.c (vect_transform_loop): Likewise.
 156         * tree-outof-ssa.c (rewrite_trees): Likewise.
 157         * tree-cfg.c (make_goto_expr_edges): Likewise.
 158         (cleanup_dead_labels): Likewise.
 159         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
 160         (bsi_move_before, bsi_move_after): Likewise.
 161         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
 162         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
 163
 164 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
 165
 166         PR tree-opt/25528
 167         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
 168         and IMAGPART_EXPR.
 169         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
 170         on non gimple variables.  Also add checks at the top for decls and
 171         mtags.
 172         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
 173         complex types.
 174         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
 175         and IMAGPART_EXPR for creating MUST_DEFs.
 176         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
 177         and NAME_MEMORY_TAG separately from the DECLs.
 178
 179 2006-01-06  Richard Guenther  <rguenther@suse.de>
 180
 181         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
 182         annotation, if necessary.
 183         * tree-ssa-pre.c (create_expression_by_pieces): Remove
 184         redundant calls to update_stmt.
 185         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
 186         Likewise.
 187
 188 2006-01-05  Richard Henderson  <rth@redhat.com>
 189
 190         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
 191
 192 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
 193
 194         * c-typeck.c: Update copyright date.
 195
 196 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
 197
 198         * c-typeck.c (build_c_cast): Always warn when casting
 199         from a pointer to an integer of different size, even if
 200         the node was constant.
 201
 202 2006-01-05  Richard Guenther  <rguenther@suse.de>
 203
 204         PR tree-optimization/22555
 205         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
 206         if one structure field is an array.
 207         * tree-ssa-operands.c (get_expr_operands): Continue scanning
 208         operands even if we found a subvar, but ignore VOPs in this
 209         case.
 210         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
 211         for renaming.
 212         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
 213
 214 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
 215
 216         PR middle-end/24998
 217         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
 218
 219 2006-01-05  Richard Guenther  <rguenther@suse.de>
 220             Diego Novillo  <dnovillo@redhat.com>
 221
 222         * tree-pass.h (TODO_remove_unused_locals): Define.
 223         * gimple-low.c (expand_var_p, remove_useless_vars,
 224         pass_remove_useless_vars): Remove.  Update all users.
 225         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
 226         (remove_unused_locals): New function.
 227         * tree-flow.h (remove_unused_locals): Declare.
 228         * passes.c (execute_todo): Call remove_unused_locals if
 229         TODO_remove_unused_locals is set.
 230         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
 231         * tree-ssa-dce.c (pass_dce): Likewise.
 232         * tree-outof-ssa.c (pass_del_ssa): Likewise.
 233
 234 2006-01-05  Richard Guenther  <rguenther@suse.de>
 235
 236         * tree-flow.h (struct fieldoff): Decompose field to
 237         type, size and decl.
 238         * tree-ssa-alias.c (create_sft): Take type as parameter.
 239         (create_overlap_variables_for): Store type, size and decl
 240         in the fieldoff structure.
 241         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
 242         of struct fieldoff.
 243         (push_fields_onto_fieldstack): Likewise.
 244         (create_variable_info_for): Likewise.  Use offset for the
 245         SFT name if the decl is not available.
 246
 247 2006-01-04  Paul Brook  <paul@codesourcery.com>
 248
 249         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
 250
 251 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
 252
 253         * lambda-code.c (can_put_in_inner_loop): Relax
 254         restrictions.
 255         (can_put_after_inner_loop): New function.
 256         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
 257         (perfect_nestify): Change to make copies and modify uses.
 258
 259 2006-01-04  Richard Henderson  <rth@redhat.com>
 260
 261         Merge from gomp branch:
 262         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
 263         via integer constant.
 264         (pragma_lex): Remove.
 265         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
 266         rather than parsing it.
 267         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
 268         handle_pragma_extern_prefix): Add %< %> quotes.
 269         (registered_pragmas): New.
 270         (c_register_pragma_1): New.
 271         (c_register_pragma): Use it.
 272         (c_register_pragma_with_expansion): Likewise.
 273         (c_invoke_pragma_handler): New.
 274         (init_pragma): Use cpp_register_deferred_pragma directly for
 275         pch_preprocess.
 276         * c-pragma.h (enum pragma_kind): New.
 277         (pragma_handler): New.
 278         (c_invoke_pragma_handler): Declare.
 279         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
 280         CPP_PRAGMA_EOL.
 281         * c-common.h (c_common_pch_pragma): Update decl.
 282         * Makefile.in (c-parser.o): Update dependencies.
 283         (GTFILES): Add c-pragma.h.
 284         * c-parser.c (struct c_token): Add pragma_kind.
 285         (struct c_parser): Add in_pragma.
 286         (c_lex_one_token): Always initialize keyword and pragma_kind.
 287         Extract data for CPP_PRAGMA.
 288         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
 289         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
 290         Don't allow CPP_PRAGMA_EOL if in_pragma.
 291         (c_parser_consume_pragma): New.
 292         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
 293         (c_parser_skip_to_end_of_parameter): Likewise.
 294         (c_parser_skip_to_end_of_block_or_statement): Likewise.
 295         (c_parser_skip_to_pragma_eol): New.
 296         (c_parser_external_declaration): Handle CPP_PRAGMA.
 297         (c_parser_compound_statement_nostart): Likewise.
 298         (c_parser_statement_after_labels): Likewise.
 299         (c_parser_pragma): New.
 300         (pragma_lex): Likewise.
 301         (c_parser_pragma_pch_preprocess): New.
 302         (c_parser_new): Merge into ...
 303         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
 304
 305 2005-01-04  Jeff Law  <law@redhat.com>
 306
 307         PR ada/24994
 308         * tree-cfg.c (bsi_replace): Remove the original statement
 309         from the EH throw statement table.
 310
 311 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
 312
 313         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
 314         make the prototype extern "C" and add throw ().
 315
 316         PR target/25554
 317         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
 318         and pos non-negative and pos + len <= 32.
 319         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
 320         drop pos + len < HOST_BITS_PER_WIDE_INT test.
 321         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
 322
 323         PR c/25559
 324         * c-common.c (handle_vector_size_attribute): Reject zero vector size
 325         as well as sizes not multiple of component size.
 326
 327         PR debug/25562
 328         * function.c (instantiate_expr): New function.
 329         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
 330         walk its DECL_VALUE_EXPR with instantiate_expr.
 331
 332         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
 333         DW_OP_deref{,_size} if address isn't going to be added.
 334
 335 2006-01-04  Ben Elliston  <bje@au.ibm.com>
 336
 337         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
 338         * config/fp-bit.c: Likewise.
 339
 340 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
 341
 342         * dominance.c: Add comment about why we use DFS numbering
 343         of dominance tree.
 344
 345 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
 346             Richard Henderson  <rth@redhat.com>
 347
 348         Merge from gomp-branch:
 349         * varasm.c (assemble_variable): Handle thread-local COMMON data.
 350         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
 351
 352 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
 353
 354         PR rtl-optimization/25578
 355         * combine.c (combine_simplify_rtx, force_to_mode): Don't
 356         pass a parameter to simplify_shift_const if changing ASHIFTRT
 357         to LSHIFTRT.
 358
 359 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
 360
 361         * gcc/builtins.c (get_builtin_sync_mem): New function.
 362         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
 363         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
 364         Call get_builtin_sync_mem to generate mem rtx.
 365
 366 2006-01-03  Richard Guenther  <rguenther@suse.de>
 367
 368         PR c/25183
 369         * stmt.c (add_case_node): Make sure to clear overflow flags
 370         from ranges.
 371
 372 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
 373
 374         Merge from gomp-branch.
 375         * config/sparc/sync.md: New file.
 376         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
 377         UNSPECV_LDSTUB): New constants.
 378         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
 379         * config/sparc/predicates.md (memory_reg_operand): New predicate.
 380         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
 381         prototype.
 382
 383 2006-01-03  Roger Sayle  <roger@eyesopen.com>
 384
 385         * combine.c (reg_subword_p): New predicate to test whether the
 386         destination of a set refers to a subword/piece of a register.
 387         (try_combine): Generalize the code to merge the setting of a
 388         pseudo to a constant followed by a set of a subword of that
 389         register to a constant.
 390
 391 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
 392
 393         * basic-block.h (control_flow_graph): Change the type of
 394         x_label_to_block_map to VEC(basic_block,gc) *.
 395         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
 396         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
 397
 398         * tree-ssa-propagate.c (cfg_blocks): Change the type to
 399         VEC(basic_block,heap) *.
 400         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
 401         ssa_prop_fini): Adjust the uses of cfg_blocks.
 402
 403 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
 404
 405         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
 406         COMPONENT_REFs.
 407         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
 408         hashing trees instead of a pointer hash.
 409         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
 410         compare for MEM_EXPR.
 411
 412         PR rtl-optimization/25130
 413         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
 414         when comparing MEMs for GCSE
 415
 416 2006-01-03  Ben Elliston  <bje@au.ibm.com>
 417
 418         * targhooks.h (default_decimal_float_supported_p): Declare.
 419         * targhooks.c (default_decimal_float_supported_p): Define.
 420         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
 421         `default_decimal_float_supported_p'.
 422         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
 423
 424 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
 425
 426         * combine.c (apply_distributive_law <SUBREG>): Check
 427         TRULY_NOOP_TRUNCATION.
 428
 429 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
 430
 431         * dwarf2out.c (have_switched_text_section): Delete.
 432         (have_multiple_function_sections): New.
 433         (have_location_lists): Make 'bool'.
 434         (add_AT_loc_list): Use 'true' not '1'.
 435         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
 436         (output_loc_list): Use have_multiple_function_sections.
 437         (output_ranges): Likewise.
 438         (dwarf2out_begin_function): Set have_multiple_function_sections if
 439         necessary.
 440         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
 441         Check function_section rather than DECL_SECTION_NAME.
 442         (dwarf2out_finish): Use have_multiple_function_sections.
 443         Don't clear have_location_lists.
 444
 445 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
 446             Jan Hubicka  <jh@suse.cz>
 447
 448         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
 449         case of conditional jump jumping to the next instruction.
 450         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
 451         cases of conditional jump jumping to the next instruction.
 452
 453 2006-01-02  Jan Hubicka  <jh@suse.cz>
 454
 455         * i386.c (*_cost): Add COSTS_N_INSNS.
 456         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
 457
 458 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
 459
 460         PR target/25259
 461         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
 462
 463 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 464
 465         * config/arm/arm.c (all_fpus): Fix comment typo.
 466         * config/darwin.c: Likewise.
 467         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
 468         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
 469         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
 470
 471 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
 472
 473         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
 474         (rs6000_split_compare_and_swapqhi): New.
 475         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
 476         (sync_compare_and_swapqhi_internal): New.
 477         * config/rs6000/rs6000-protos.h: Declare.