Test 3.LB+fencembonceonce+poacquireonce+poacquireonce

C 3.LB+fencembonceonce+poacquireonce+poacquireonce
Hash=e3c786ccfcc8ffa7dce808002b3c3136
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce FenceMbdRWOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=FenceMbdRW PodRWAcquireOnce RfeOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=W
Com=Rf Rf Rf
Orig=FenceMbdRWOnceOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce

{}


P0(int* x,int* y) {
  int r0 = READ_ONCE(*x);
  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 = smp_load_acquire(z);
  WRITE_ONCE(*x,1);
}

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

C11 equivalent:

C 3.LB+fencembonceonce+poacquireonce+poacquireonce
Hash=e3c786ccfcc8ffa7dce808002b3c3136
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce FenceMbdRWOnceOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=FenceMbdRW PodRWAcquireOnce RfeOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=W
Com=Rf Rf Rf
Orig=FenceMbdRWOnceOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceOnce

{}


P0(atomic_int* x,atomic_int* y) {
  int r0 = atomic_load_explicit(x,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_acquire);
  atomic_store_explicit(x,1,memory_order_relaxed);
}

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