#if defined __GNUC__ && __GNUC__ >= 2
# define __bswap_32(x) \
- __extension__ \
- ({ unsigned int __bswap_32_v; \
- if (__builtin_constant_p (x)) \
- __bswap_32_v = __bswap_constant_32 (x); \
- else \
- __asm__ __volatile__ ("ror%.w %#8, %0;" \
- "swap %0;" \
- "ror%.w %#8, %0" \
- : "=d" (__bswap_32_v) \
- : "0" (x)); \
+ __extension__ \
+ ({ unsigned int __bswap_32_v; \
+ if (__builtin_constant_p (x)) \
+ __bswap_32_v = __bswap_constant_32 (x); \
+ else \
+ __asm__ __volatile__ ("ror%.w %#8, %0;" \
+ "swap %0;" \
+ "ror%.w %#8, %0" \
+ : "=d" (__bswap_32_v) \
+ : "0" ((unsigned int) (x))); \
__bswap_32_v; })
#else
# define __bswap_32(x) __bswap_constant_32 (x)