1/* { dg-do compile } */
2/* { dg-require-effective-target ilp32 } */
3/* { dg-options "-O2 -march=i486" } */
4
5void
6foo (unsigned long long *p)
7{
8  unsigned long long tmp;
9  tmp = *p;
10  tmp = (tmp >> 32) | (tmp << 32);
11  tmp = (((tmp & 0xff00ff00ff00ff00ULL) >> 8)
12	 | ((tmp & 71777214294589695ULL) << 8));
13  *p = (((tmp & 0xffff0000ffff0000ULL) >> 16)
14	| ((tmp & 281470681808895ULL) << 16));
15}
16
17/* { dg-final { scan-assembler-times "bswap" 2 } } */
18