Test ISA2+fencembonceonce+poacquireonce+fencembonceonce

C ISA2+fencembonceonce+poacquireonce+fencembonceonce
Hash=d969c1dedf8029c60376561840e8e6d1
Cycle=PodRWAcquireOnce RfeOnceOnce FenceMbdRROnceOnce FreOnceOnce FenceMbdWWOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=FenceMbdWW FenceMbdRR PodRWAcquireOnce RfeOnceOnce FreOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=T
Com=Rf Rf Fr
Orig=FenceMbdWWOnceOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce FenceMbdRROnceOnce FreOnceOnce

{}


P0(int* x,int* y) {
  WRITE_ONCE(*x,1);
  smp_mb();
  WRITE_ONCE(*y,1);
}

P1(int* y,int* z) {
  int r0 = smp_load_acquire(y);
  WRITE_ONCE(*z,1);
}

P2(int* x,int* z) {
  int r0 = READ_ONCE(*z);
  smp_mb();
  int r1 = READ_ONCE(*x);
}

Observed
    2:r1=0; 2:r0=1; 1:r0=1;

C11 equivalent:

C ISA2+fencembonceonce+poacquireonce+fencembonceonce
Hash=d969c1dedf8029c60376561840e8e6d1
Cycle=PodRWAcquireOnce RfeOnceOnce FenceMbdRROnceOnce FreOnceOnce FenceMbdWWOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=FenceMbdWW FenceMbdRR PodRWAcquireOnce RfeOnceOnce FreOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=T
Com=Rf Rf Fr
Orig=FenceMbdWWOnceOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce FenceMbdRROnceOnce FreOnceOnce

{}


P0(atomic_int* x,atomic_int* y) {
  atomic_store_explicit(x,1,memory_order_relaxed);
  atomic_thread_fence(memory_order_seq_cst);
  atomic_store_explicit(y,1,memory_order_relaxed);
}

P1(atomic_int* y,atomic_int* z) {
  int r0 = atomic_load_explicit(y,memory_order_acquire);
  atomic_store_explicit(z,1,memory_order_relaxed);
}

P2(atomic_int* x,atomic_int* z) {
  int r0 = atomic_load_explicit(z,memory_order_relaxed);
  atomic_thread_fence(memory_order_seq_cst);
  int r1 = atomic_load_explicit(x,memory_order_relaxed);
}

exists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0)