Test 2+2w+wmbs+OBS

LISA 2+2w+wmbs+OBS
"FenceWmbdWWOnceOnce WseOnceOnce FenceWmbdWWOnceOnce WseOnceOnce"
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=FenceWmbdWWOnceOnce WseOnceOnce FenceWmbdWWOnceOnce WseOnceOnce
{
}
 P0          | P1          ;
 w[once] x 2 | w[once] y 2 ;
 f[wmb]      | f[wmb]      ;
 w[once] y 1 | w[once] x 1 ;
 r[once] r0 y| r[once] r0 x;
Observed
    1:r0=2; 0:r0=2;