| #ifndef _X86_64_BYTEORDER_H |
| #define _X86_64_BYTEORDER_H |
| |
| #include <asm/types.h> |
| #include <linux/compiler.h> |
| |
| #ifdef __GNUC__ |
| |
| static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x) |
| { |
| __asm__("bswapq %0" : "=r" (x) : "0" (x)); |
| return x; |
| } |
| |
| static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x) |
| { |
| __asm__("bswapl %0" : "=r" (x) : "0" (x)); |
| return x; |
| } |
| |
| /* Do not define swab16. Gcc is smart enough to recognize "C" version and |
| convert it into rotation or exhange. */ |
| |
| #define __arch__swab32(x) ___arch__swab32(x) |
| #define __arch__swab64(x) ___arch__swab64(x) |
| |
| #endif /* __GNUC__ */ |
| |
| #define __BYTEORDER_HAS_U64__ |
| |
| #include <linux/byteorder/little_endian.h> |
| |
| #endif /* _X86_64_BYTEORDER_H */ |
