Test WRC+addrs

Run WRC+addrs in model, using ppcmem

PPC WRC+addrs
"Rfe DpAddrdW Rfe DpAddrdR Fre"
Cycle=Rfe DpAddrdW Rfe DpAddrdR Fre
{
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)  | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  | xor r3,r1,r1  ;
              | li r4,1       | lwzx r4,r3,r5 ;
              | stwx r4,r3,r5 |               ;
exists
(1:r1=1 /\ 2:r1=1 /\ 2:r4=0)