Test RWC+fencembonceonce+fencembreleaseonce+Once

C RWC+fencembonceonce+fencembreleaseonce+Once
Hash=69d25f63e9e5cbacfe7b0337c62fbcd1
Cycle=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease FenceMbdWRReleaseOnce FreOnceOnce
Relax=FreOnceRelease
Safe=FenceMbdWR FenceMbdRR RfeOnceOnce FreOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=1:x=F,1:y=T,2:y=F,2:x=T
Com=Rf Fr Fr
Orig=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease FenceMbdWRReleaseOnce FreOnceOnce

{}


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

P1(int* x,int* y) {
  int r0 = READ_ONCE(*x);
  smp_mb();
  int r1 = READ_ONCE(*y);
}

P2(int* x,int* y) {
  smp_store_release(y,1);
  smp_mb();
  int r0 = READ_ONCE(*x);
}

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

C11 equivalent:

C RWC+fencembonceonce+fencembreleaseonce+Once
Hash=69d25f63e9e5cbacfe7b0337c62fbcd1
Cycle=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease FenceMbdWRReleaseOnce FreOnceOnce
Relax=FreOnceRelease
Safe=FenceMbdWR FenceMbdRR RfeOnceOnce FreOnceOnce
Generator=diy7 (version 7.46+3)
Prefetch=1:x=F,1:y=T,2:y=F,2:x=T
Com=Rf Fr Fr
Orig=RfeOnceOnce FenceMbdRROnceOnce FreOnceRelease FenceMbdWRReleaseOnce FreOnceOnce

{}


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

P1(atomic_int* x,atomic_int* y) {
  int r0 = atomic_load_explicit(x,memory_order_relaxed);
  atomic_thread_fence(memory_order_seq_cst);
  int r1 = atomic_load_explicit(y,memory_order_relaxed);
}

P2(atomic_int* x,atomic_int* y) {
  atomic_store_explicit(y,1,memory_order_release);
  atomic_thread_fence(memory_order_seq_cst);
  int r0 = atomic_load_explicit(x,memory_order_relaxed);
}

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