Test WRW+WR+addr+po+A

PPC WRW+WR+addr+po+A
"RfeAP DpAddrdW Wse PodWR FrePA"
Cycle=RfeAP DpAddrdW Wse PodWR FrePA
Prefetch=0:x=T,1:y=W,2:y=F,2:x=T
Com=Rf Ws Fr
Orig=RfeAP DpAddrdW Wse PodWR FrePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y;
2:r2=y; 2:r4=x;
}
 P0               | P1            | P2           ;
 li r1,1          | lwz r1,0(r2)  | li r1,2      ;
 lwarx %sta,r0,r2 | xor r3,r1,r1  | stw r1,0(r2) ;
 stwcx. r1,r0,r2  | li r4,1       | lwz r3,0(r4) ;
 bne  Fail0       | stwx r4,r3,r5 |              ;
 b   Exit0        |               |              ;
 Fail0:           |               |              ;
 li r3,0          |               |              ;
 stw r3,0(r4)     |               |              ;
 Exit0:           |               |              ;
exists
(ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)