1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3 /* { dg-final { scan-assembler-not "bswapdi2" } } */
4 
foo(long long x)5 long long foo (long long x)
6 {
7   return __builtin_bswap64 (x);
8 }
9 
10