PPC LB+isyncap+popa "ISyncdRWAP Rfe PodRWPA RfeAA" Cycle=RfeAA ISyncdRWAP Rfe PodRWPA Prefetch= Com=Rf Rf Orig=ISyncdRWAP Rfe PodRWPA RfeAA { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; lwarx r1,r0,r2 | lwz r1,0(r2) ; stwcx. r1,r0,r2 | li r3,1 ; bne Fail0 | lwarx %sta,r0,r4 ; isync | stwcx. r3,r0,r4 ; li r3,1 | bne Fail1 ; stw r3,0(r4) | b Exit1 ; b Exit0 | Fail1: ; Fail0: | li r5,0 ; li r5,0 | stw r5,0(r6) ; stw r5,0(r6) | Exit1: ; Exit0: | ; exists (ok=1 /\ 0:r1=1 /\ 1:r1=1)