PPC WRW+WR+poap+lwsyncap "RfePA PodRWAP WsePA LwSyncdWRAP Fre" Cycle=RfePA PodRWAP WsePA LwSyncdWRAP Fre Prefetch=0:x=T,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfePA PodRWAP WsePA LwSyncdWRAP Fre { 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 r1,1 | lwarx r1,r0,r2 | li r1,2 ; stw r1,0(r2) | stwcx. r1,r0,r2 | lwarx %sta,r0,r2 ; | bne Fail1 | stwcx. r1,r0,r2 ; | li r3,1 | bne Fail2 ; | stw r3,0(r4) | lwsync ; | b Exit1 | lwz r3,0(r4) ; | Fail1: | b Exit2 ; | li r5,0 | Fail2: ; | stw r5,0(r6) | li r5,0 ; | Exit1: | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ y=2 /\ 1:r1=1 /\ 2:r3=0)