gcc/testsuite/gcc.target/aarch64/atomic-op-consume.x

int v = 0;

int
atomic_fetch_add_CONSUME (int a)
{
  return __atomic_fetch_add (&v, a, __ATOMIC_CONSUME);
}

int
atomic_fetch_sub_CONSUME (int a)
{
  return __atomic_fetch_sub (&v, a, __ATOMIC_CONSUME);
}

int
atomic_fetch_and_CONSUME (int a)
{
  return __atomic_fetch_and (&v, a, __ATOMIC_CONSUME);
}

int
atomic_fetch_nand_CONSUME (int a)
{
  return __atomic_fetch_nand (&v, a, __ATOMIC_CONSUME);
}

int
atomic_fetch_xor_CONSUME (int a)
{
  return __atomic_fetch_xor (&v, a, __ATOMIC_CONSUME);
}

int
atomic_fetch_or_CONSUME (int a)
{
  return __atomic_fetch_or (&v, a, __ATOMIC_CONSUME);
}