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