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#include <stdio.h>
typedef unsigned int UInt;
typedef unsigned long long ULong;
#if defined(__x86_64__)
#define BSWAPQ(_lval) \
do { \
__asm__ __volatile__("bswapq %0" \
: /*out*/ "+r"(_lval) ); \
} while (0)
ULong bswapq ( ULong x )
{
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x); BSWAPQ(x);
BSWAPQ(x);
return x;
}
#endif /* defined(__x86_64__) */
#define BSWAPL(_lval) \
do { \
__asm__ __volatile__("bswapl %0" \
: /*out*/ "+r"(_lval) ); \
} while (0)
UInt bswapl ( UInt x )
{
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x); BSWAPL(x);
BSWAPL(x);
return x;
}
int main ( void )
{
#if defined(__x86_64__)
printf("0x%llx\n", bswapq( 0x8877665544332211ULL ));
#endif
printf("0x%x\n", bswapl( 0x44332211ULL ));
return 0;
}
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