Test WRC+addr+addrrr

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