Test WWC+poacquireonce+ctrlonceonce+Release

LISA WWC+poacquireonce+ctrlonceonce+Release
"RfeReleaseAcquire PodRWAcquireOnce RfeOnceOnce DpCtrldWOnceOnce WseOnceRelease"
Cycle=PodRWAcquireOnce RfeOnceOnce DpCtrldWOnceOnce WseOnceRelease RfeReleaseAcquire
Relax=WseOnceRelease RfeReleaseAcquire
Safe=PodRWAcquireOnce RfeOnceOnce DpCtrldWOnceOnce
Prefetch=1:x=F,1:y=W,2:y=F,2:x=W
Com=Rf Rf Ws
Orig=RfeReleaseAcquire PodRWAcquireOnce RfeOnceOnce DpCtrldWOnceOnce WseOnceRelease
{
}
 P0             | P1              | P2               ;
 w[release] x 2 | r[acquire] r0 x | r[once] r0 y     ;
                | w[once] y 1     | mov r1 (eq r0 0) ;
                |                 | b[] r1 LC00      ;
                |                 | LC00:            ;
                |                 | w[once] x 1      ;
Observed
    x=2; 2:r0=1; 1:r0=2;