Test WRC+addr+ctrlisyncrp

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