Test WWC+lwsyncap+popa+A

PPC WWC+lwsyncap+popa+A
"RfeAA LwSyncdRWAP Rfe PodRWPA WseAA"
Cycle=RfeAA LwSyncdRWAP Rfe PodRWPA WseAA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=RfeAA LwSyncdRWAP Rfe PodRWPA WseAA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0               | P1              | P2               ;
 li r1,2          | lwarx r1,r0,r2  | lwz r1,0(r2)     ;
 lwarx %sta,r0,r2 | stwcx. r1,r0,r2 | li r3,1          ;
 stwcx. r1,r0,r2  | bne  Fail1      | lwarx %sta,r0,r4 ;
 bne  Fail0       | lwsync          | stwcx. r3,r0,r4  ;
 b   Exit0        | li r3,1         | bne  Fail2       ;
 Fail0:           | stw r3,0(r4)    | b   Exit2        ;
 li r3,0          | b   Exit1       | Fail2:           ;
 stw r3,0(r4)     | Fail1:          | li r5,0          ;
 Exit0:           | li r5,0         | stw r5,0(r6)     ;
                  | stw r5,0(r6)    | Exit2:           ;
                  | Exit1:          |                  ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)