PPC REG01 "Rfe LwSyncdRW Rfe SyncdRR Fre SyncdWR Fre" Prefetch=0:x=T,1:x=F,1:y=W,2:y=F,2:z=T,3:z=F,3:x=T Com=Rf Rf Fr Fr Orig=Rfe LwSyncdRW Rfe SyncdRR Fre SyncdWR Fre { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r4=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | li r1,1 ; stw r1,0(r2) | lwsync | sync | stw r1,0(r2) ; | li r3,1 | lwz r3,0(r4) | sync ; | stw r3,0(r4) | | lwz r3,0(r4) ; exists (1:r1=1 /\ 2:r1=1 /\ 2:r3=0 /\ 3:r3=0)