Test IRIW+poap+po

PPC IRIW+poap+po
"RfePA PodRRAP Fre Rfe PodRR Fre"
Cycle=RfePA PodRRAP Fre Rfe PodRR Fre
Prefetch=0:x=T,1:y=T,2:y=T,3:x=T
Com=Rf Fr Rf Fr
Orig=RfePA PodRRAP Fre Rfe PodRR Fre
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y;
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) | stwcx. r1,r0,r2 | stw r1,0(r2) | lwz r3,0(r4) ;
              | bne  Fail1      |              |              ;
              | lwz r3,0(r4)    |              |              ;
              | b   Exit1       |              |              ;
              | Fail1:          |              |              ;
              | li r5,0         |              |              ;
              | stw r5,0(r6)    |              |              ;
              | Exit1:          |              |              ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r3=0)