1/* { dg-do compile } */
2/* { dg-options "-march=x86-64 -mhle" } */
3/* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xrelease\|\.byte\[ \t\]+0xf3\)\[ \t\n\]+cmpxchg" } } */
4
5int
6hle_cmpxchg (int *p, int oldv, int newv)
7{
8  return __atomic_compare_exchange_n (p, &oldv, newv, 0, __ATOMIC_RELEASE | __ATOMIC_HLE_RELEASE, __ATOMIC_ACQUIRE);
9}
10