Test IRIW+porp+lwsyncpr+PA

PPC IRIW+porp+lwsyncpr+PA
"RfePR PodRRRP FrePA RfeAP LwSyncdRRPR FreRP"
Cycle=RfeAP LwSyncdRRPR FreRP RfePR PodRRRP FrePA
Prefetch=0:x=T,1:y=T,2:y=T,3:x=T
Com=Rf Fr Rf Fr
Orig=RfePR PodRRRP FrePA RfeAP LwSyncdRRPR FreRP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y; 2:r4=ok;
3:r2=y; 3:r4=x;
}
 P0           | P1             | P2               | P3             ;
 li r1,1      | lwarx r1,r0,r2 | li r1,1          | lwz r1,0(r2)   ;
 stw r1,0(r2) | lwz r3,0(r4)   | lwarx %sta,r0,r2 | lwsync         ;
              |                | stwcx. r1,r0,r2  | lwarx r3,r0,r4 ;
              |                | bne  Fail2       |                ;
              |                | b   Exit2        |                ;
              |                | Fail2:           |                ;
              |                | li r3,0          |                ;
              |                | stw r3,0(r4)     |                ;
              |                | Exit2:           |                ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r3=0)