Test IRRWIW+po+addr

Run IRRWIW+po+addr in model, using ppcmem

PPC IRRWIW+po+addr
"Rfe PodRR Fre Rfe DpAddrdW Wse"
Cycle=Rfe PodRR Fre Rfe DpAddrdW Wse
{
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y;
3:r2=y; 3:r5=x;
}
 P0           | P1           | P2           | P3            ;
 li r1,2      | lwz r1,0(r2) | li r1,1      | lwz r1,0(r2)  ;
 stw r1,0(r2) | lwz r3,0(r4) | stw r1,0(r2) | xor r3,r1,r1  ;
              |              |              | li r4,1       ;
              |              |              | stwx r4,r3,r5 ;
exists
(x=2 /\ 1:r1=2 /\ 1:r3=0 /\ 3:r1=1)