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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [pr42589.c] - Rev 318

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/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-O2 -march=i486" } */
 
void
foo (unsigned long long *p)
{
  unsigned long long tmp;
  tmp = *p;
  tmp = (tmp >> 32) | (tmp << 32);
  tmp = (((tmp & 0xff00ff00ff00ff00ULL) >> 8)
	 | ((tmp & 71777214294589695ULL) << 8));
  *p = (((tmp & 0xffff0000ffff0000ULL) >> 16)
	| ((tmp & 281470681808895ULL) << 16));
}
 
/* { dg-final { scan-assembler-times "bswap" 2 } } */
 

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