| #include <linux/compiler.h> |
| static inline __attribute_const__ __u32 __arch_swab32(__u32 val) |
| asm("bswap %0" : "=r" (val) : "0" (val)); |
| asm("xchgb %b0,%h0\n\t" /* swap lower bytes */ |
| "rorl $16,%0\n\t" /* swap words */ |
| "xchgb %b0,%h0" /* swap higher bytes */ |
| #define __arch_swab32 __arch_swab32 |
| static inline __attribute_const__ __u64 __arch_swab64(__u64 val) |
| asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1" |
| : "=r" (v.s.a), "=r" (v.s.b) |
| : "0" (v.s.a), "1" (v.s.b)); |
| v.s.a = __arch_swab32(v.s.a); |
| v.s.b = __arch_swab32(v.s.b); |
| : "=r" (v.s.a), "=r" (v.s.b) |
| : "0" (v.s.a), "1" (v.s.b)); |
| #define __arch_swab64 __arch_swab64 |
| #endif /* _ASM_X86_SWAB_H */ |