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