Test WWC+lwsync+porp

PPC WWC+lwsync+porp
"Rfe LwSyncdRW RfePR PodRWRP Wse"
Cycle=Rfe LwSyncdRW RfePR PodRWRP Wse
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=Rfe LwSyncdRW RfePR PodRWRP Wse
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0           | P1           | P2             ;
 li r1,2      | lwz r1,0(r2) | lwarx r1,r0,r2 ;
 stw r1,0(r2) | lwsync       | li r3,1        ;
              | li r3,1      | stw r3,0(r4)   ;
              | stw r3,0(r4) |                ;
exists
(x=2 /\ 1:r1=2 /\ 2:r1=1)