Test WWC+popa+addr+A

PPC WWC+popa+addr+A
"RfeAP PodRWPA RfeAP DpAddrdW WsePA"
Cycle=RfeAP PodRWPA RfeAP DpAddrdW WsePA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=RfeAP PodRWPA RfeAP DpAddrdW WsePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r5=x;
}
 P0               | P1               | P2            ;
 li r1,2          | lwz r1,0(r2)     | lwz r1,0(r2)  ;
 lwarx %sta,r0,r2 | li r3,1          | xor r3,r1,r1  ;
 stwcx. r1,r0,r2  | lwarx %sta,r0,r4 | li r4,1       ;
 bne  Fail0       | stwcx. r3,r0,r4  | stwx r4,r3,r5 ;
 b   Exit0        | bne  Fail1       |               ;
 Fail0:           | b   Exit1        |               ;
 li r3,0          | Fail1:           |               ;
 stw r3,0(r4)     | li r5,0          |               ;
 Exit0:           | stw r5,0(r6)     |               ;
                  | Exit1:           |               ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)