Test WRC+addrrp+ctrlisyncpr

PPC WRC+addrrp+ctrlisyncpr
"RfePR DpAddrdWRP Rfe DpCtrlIsyncdRPR FreRP"
Cycle=Rfe DpCtrlIsyncdRPR FreRP RfePR DpAddrdWRP
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfePR DpAddrdWRP Rfe DpCtrlIsyncdRPR FreRP
{
0:r2=x;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=x;
}
 P0           | P1             | P2             ;
 li r1,1      | lwarx r1,r0,r2 | lwz r1,0(r2)   ;
 stw r1,0(r2) | xor r3,r1,r1   | cmpw r1,r1     ;
              | li r4,1        | beq  LC00      ;
              | stwx r4,r3,r5  | LC00:          ;
              |                | isync          ;
              |                | lwarx r3,r0,r4 ;
exists
(1:r1=1 /\ 2:r1=1 /\ 2:r3=0)