Test WRR+2W+lwsyncrr+lwsync

PPC WRR+2W+lwsyncrr+lwsync
"RfePR LwSyncdRRRR FreRP LwSyncdWW Wse"
Cycle=RfePR LwSyncdRRRR FreRP LwSyncdWW Wse
Prefetch=0:x=F,1:y=T,2:x=W
Com=Rf Fr Ws
Orig=RfePR LwSyncdRRRR FreRP LwSyncdWW Wse
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0           | P1             | P2           ;
 li r1,2      | lwarx r1,r0,r2 | li r1,1      ;
 stw r1,0(r2) | lwsync         | stw r1,0(r2) ;
              | lwarx r3,r0,r4 | lwsync       ;
              |                | li r3,1      ;
              |                | stw r3,0(r4) ;
exists
(x=2 /\ 1:r1=2 /\ 1:r3=0)