1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _ASM_GENERIC_SWAB_H 3 #define _ASM_GENERIC_SWAB_H 4 5 #include <asm/bitsperlong.h> 6 7 /* 8 * 32 bit architectures typically (but not always) want to 9 * set __SWAB_64_THRU_32__. In user space, this is only 10 * valid if the compiler supports 64 bit data types. 11 */ 12 13 #if __BITS_PER_LONG == 32 14 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) 15 #define __SWAB_64_THRU_32__ 16 #endif 17 #endif 18 19 #endif /* _ASM_GENERIC_SWAB_H */ 20