Test IRWIW+ctrlonceonces+ReleaseRelease

LISA IRWIW+ctrlonceonces+ReleaseRelease
"RfeReleaseOnce DpCtrldWOnceOnce WseOnceRelease RfeReleaseOnce DpCtrldWOnceOnce WseOnceRelease"
Cycle=DpCtrldWOnceOnce WseOnceRelease RfeReleaseOnce DpCtrldWOnceOnce WseOnceRelease RfeReleaseOnce
Relax=WseOnceRelease RfeReleaseOnce
Safe=DpCtrldWOnceOnce
Prefetch=1:x=F,1:y=W,3:y=F,3:x=W
Com=Rf Ws Rf Ws
Orig=RfeReleaseOnce DpCtrldWOnceOnce WseOnceRelease RfeReleaseOnce DpCtrldWOnceOnce WseOnceRelease
{
}
 P0             | P1               | P2             | P3               ;
 w[release] x 2 | r[once] r0 x     | w[release] y 2 | r[once] r0 y     ;
                | mov r1 (eq r0 0) |                | mov r1 (eq r0 0) ;
                | b[] r1 LC00      |                | b[] r1 LC01      ;
                | LC00:            |                | LC01:            ;
                | w[once] y 1      |                | w[once] x 1      ;
Observed
    y=2; x=2; 3:r0=2; 1:r0=2;
and y=2; x=2; 3:r0=1; 1:r0=2;
and y=1; x=2; 3:r0=1; 1:r0=2;
and y=2; x=2; 3:r0=2; 1:r0=1;
and y=2; x=1; 3:r0=2; 1:r0=1;