PPC IRIW+porp+po+PA "RfePR PodRRRP FrePA RfeAP PodRR Fre" Cycle=RfeAP PodRR Fre 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 PodRR Fre { 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 | lwz r3,0(r4) ; | | stwcx. r1,r0,r2 | ; | | 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)