Test WWC+po+addrra+A

PPC WWC+po+addrra+A
"RfeAP PodRW RfePR DpAddrdWRA WseAA"
Cycle=RfeAP PodRW RfePR DpAddrdWRA WseAA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=RfeAP PodRW RfePR DpAddrdWRA WseAA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y;
2:r2=y; 2:r5=x; 2:r7=ok;
}
 P0               | P1           | P2               ;
 li r1,2          | lwz r1,0(r2) | lwarx r1,r0,r2   ;
 lwarx %sta,r0,r2 | li r3,1      | xor r3,r1,r1     ;
 stwcx. r1,r0,r2  | stw r3,0(r4) | li r4,1          ;
 bne  Fail0       |              | lwarx %sta,r3,r5 ;
 b   Exit0        |              | stwcx. r4,r3,r5  ;
 Fail0:           |              | bne  Fail2       ;
 li r3,0          |              | b   Exit2        ;
 stw r3,0(r4)     |              | Fail2:           ;
 Exit0:           |              | li r6,0          ;
                  |              | stw r6,0(r7)     ;
                  |              | Exit2:           ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)