C 3.LB+poacquireonces
Hash=83fa9235182ef4d98eb2d049dd1eaba2
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=PodRWAcquireOnce
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=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire
{}
P0(int* x,int* y) {
int r0 = smp_load_acquire(x);
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+poacquireonces
Hash=83fa9235182ef4d98eb2d049dd1eaba2
Cycle=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire
Relax=RfeOnceAcquire
Safe=PodRWAcquireOnce
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=PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire PodRWAcquireOnce RfeOnceAcquire
{}
P0(atomic_int* x,atomic_int* y) {
int r0 = atomic_load_explicit(x,memory_order_acquire);
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)