Test WWC+lwsyncrp+porp+A

PPC WWC+lwsyncrp+porp+A
"RfeAR LwSyncdRWRP RfePR PodRWRP WsePA"
Cycle=RfeAR LwSyncdRWRP RfePR PodRWRP WsePA
Prefetch=0:x=F,2:x=W
Com=Rf Rf Ws
Orig=RfeAR LwSyncdRWRP RfePR PodRWRP WsePA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=x;
}
 P0               | P1             | P2             ;
 li r1,2          | lwarx r1,r0,r2 | lwarx r1,r0,r2 ;
 lwarx %sta,r0,r2 | lwsync         | li r3,1        ;
 stwcx. r1,r0,r2  | li r3,1        | stw r3,0(r4)   ;
 bne  Fail0       | stw r3,0(r4)   |                ;
 b   Exit0        |                |                ;
 Fail0:           |                |                ;
 li r3,0          |                |                ;
 stw r3,0(r4)     |                |                ;
 Exit0:           |                |                ;
exists
(ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)