Test WRC+wmb+acq

LISA WRC+wmb+acq
"RfeOnceOnce FenceWmbdRWOnceOnce RfeOnceAcquire PodRRAcquireOnce FreOnceOnce"
Prefetch=1:x=F,1:y=W,2:y=F,2:x=T
Com=Rf Rf Fr
Orig=RfeOnceOnce FenceWmbdRWOnceOnce RfeOnceAcquire PodRRAcquireOnce FreOnceOnce
{
}
 P0          | P1           | P2              ;
 w[once] x 1 | r[once] r0 x | r[acquire] r0 y ;
             | f[wmb]       | r[once] r1 x    ;
             | w[once] y 1  |                 ;
Observed
    2:r1=0; 2:r0=1; 1:r0=1;