1/* { dg-do compile } */
2/* { dg-options "-mhle" } */
3/* { dg-final { scan-assembler "lock;?\[ \n\t\]+\(xacquire\|\.byte\[ \t\]+0xf2\)\[ \t\n\]+sub" } } */
4
5void
6hle_sub (int *p, int v)
7{
8  __atomic_fetch_sub (p, v, __ATOMIC_ACQUIRE | __ATOMIC_HLE_ACQUIRE);
9}
10