Test WRC+po+ctrlisync

PPC WRC+po+ctrlisync
"Rfe PodRW Rfe DpCtrlIsyncdR Fre"
Cycle=Rfe PodRW Rfe DpCtrlIsyncdR Fre
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=Rfe PodRW Rfe DpCtrlIsyncdR Fre
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0           | P1           | P2           ;
 li r1,1      | lwz r1,0(r2) | lwz r1,0(r2) ;
 stw r1,0(r2) | li r3,1      | cmpw r1,r1   ;
              | stw r3,0(r4) | beq  LC00    ;
              |              | LC00:        ;
              |              | isync        ;
              |              | lwz r3,0(r4) ;
exists
(1:r1=1 /\ 2:r1=1 /\ 2:r3=0)