| #ifndef _BITS_BYTESWAP_H |
| #define _BITS_BYTESWAP_H |
| |
| static inline __attribute__ (( always_inline, const )) uint16_t |
| __bswap_variable_16 ( uint16_t x ) { |
| __asm__ ( "xchgb %b0,%h0" : "=Q" ( x ) : "0" ( x ) ); |
| return x; |
| } |
| |
| static inline __attribute__ (( always_inline, const )) uint32_t |
| __bswap_variable_32 ( uint32_t x ) { |
| __asm__ ( "bswapl %k0" : "=r" ( x ) : "0" ( x ) ); |
| return x; |
| } |
| |
| static inline __attribute__ (( always_inline, const )) uint64_t |
| __bswap_variable_64 ( uint64_t x ) { |
| __asm__ ( "bswapq %q0" : "=r" ( x ) : "0" ( x ) ); |
| return x; |
| } |
| |
| #endif /* _BITS_BYTESWAP_H */ |
