1 /* Expand builtin functions. 2 Copyright (C) 1988-2013 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 #ifndef GCC_BUILTINS_H 21 #define GCC_BUILTINS_H 22 23 /* Target-dependent globals. */ 24 struct target_builtins { 25 /* For each register that may be used for calling a function, this 26 gives a mode used to copy the register's value. VOIDmode indicates 27 the register is not used for calling a function. If the machine 28 has register windows, this gives only the outbound registers. 29 INCOMING_REGNO gives the corresponding inbound register. */ 30 enum machine_mode x_apply_args_mode[FIRST_PSEUDO_REGISTER]; 31 32 /* For each register that may be used for returning values, this gives 33 a mode used to copy the register's value. VOIDmode indicates the 34 register is not used for returning values. If the machine has 35 register windows, this gives only the outbound registers. 36 INCOMING_REGNO gives the corresponding inbound register. */ 37 enum machine_mode x_apply_result_mode[FIRST_PSEUDO_REGISTER]; 38 }; 39 40 extern GTY(()) struct target_builtins default_target_builtins; 41 #if SWITCHABLE_TARGET 42 extern struct target_builtins *this_target_builtins; 43 #else 44 #define this_target_builtins (&default_target_builtins) 45 #endif 46 47 #endif 48