Test WWC+popa+addrra

PPC WWC+popa+addrra
"Rfe PodRWPA RfeAR DpAddrdWRA WseAP"
Cycle=RfeAR DpAddrdWRA WseAP Rfe PodRWPA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=Rfe PodRWPA RfeAR DpAddrdWRA WseAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r5=x; 2:r7=ok;
}
 P0           | P1               | P2               ;
 li r1,2      | lwz r1,0(r2)     | lwarx r1,r0,r2   ;
 stw r1,0(r2) | li r3,1          | xor r3,r1,r1     ;
              | lwarx %sta,r0,r4 | li r4,1          ;
              | stwcx. r3,r0,r4  | lwarx %sta,r3,r5 ;
              | bne  Fail1       | stwcx. r4,r3,r5  ;
              | b   Exit1        | bne  Fail2       ;
              | Fail1:           | b   Exit2        ;
              | li r5,0          | Fail2:           ;
              | stw r5,0(r6)     | li r6,0          ;
              | Exit1:           | stw r6,0(r7)     ;
              |                  | Exit2:           ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)