1 #ifndef _X86_64_BYTEORDER_H
2 #define _X86_64_BYTEORDER_H
5 #include <linux/compiler.h>
9 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
11 __asm__("bswapq %0" : "=r" (x) : "0" (x));
15 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
17 __asm__("bswapl %0" : "=r" (x) : "0" (x));
21 /* Do not define swab16. Gcc is smart enough to recognize "C" version and
22 convert it into rotation or exhange. */
24 #define __arch__swab32(x) ___arch__swab32(x)
25 #define __arch__swab64(x) ___arch__swab64(x)
29 #define __BYTEORDER_HAS_U64__
31 #include <linux/byteorder/little_endian.h>
33 #endif /* _X86_64_BYTEORDER_H */