Test IRRWIW+fencembonceonce+poonceonce+ReleaseOnce

LISA IRRWIW+fencembonceonce+poonceonce+ReleaseOnce
"RfeReleaseOnce FenceMbdRROnceOnce FreOnceOnce RfeOnceOnce PodRWOnceOnce WseOnceRelease"
Cycle=RfeOnceOnce PodRWOnceOnce WseOnceRelease RfeReleaseOnce FenceMbdRROnceOnce FreOnceOnce
Relax=WseOnceRelease RfeReleaseOnce
Safe=RfeOnceOnce FreOnceOnce PodRWOnceOnce FenceMbdRROnceOnce
Prefetch=1:x=F,1:y=T,3:y=F,3:x=W
Com=Rf Fr Rf Ws
Orig=RfeReleaseOnce FenceMbdRROnceOnce FreOnceOnce RfeOnceOnce PodRWOnceOnce WseOnceRelease
{
}
 P0             | P1           | P2          | P3           ;
 w[release] x 2 | r[once] r0 x | w[once] y 1 | r[once] r0 y ;
                | f[mb]        |             | w[once] x 1  ;
                | r[once] r1 y |             |              ;
Observed
    x=2; 3:r0=1; 1:r1=0; 1:r0=2;
and x=2; 3:r0=1; 1:r1=0; 1:r0=1;
and x=1; 3:r0=1; 1:r1=0; 1:r0=1;