extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
enum machine_mode);
-extern bool default_promote_function_return (tree);
-extern bool default_promote_prototypes (tree);
-
-extern rtx default_struct_value_rtx (tree, int);
extern bool default_return_in_memory (tree, tree);
extern rtx default_expand_builtin_saveregs (void);
extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
-extern bool hook_bool_machine_mode_true (enum machine_mode);