PPC WWC+lwsync+ctrl "Rfe LwSyncdRW Rfe DpCtrldW Wse" Prefetch=0:x=F,2:x=W Com=Rf Rf Ws Orig=Rfe LwSyncdRW Rfe DpCtrldW Wse { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | lwsync | cmpw r1,r1 ; | li r3,1 | beq LC00 ; | stw r3,0(r4) | LC00: ; | | li r3,1 ; | | stw r3,0(r4) ; exists (x=2 /\ 1:r1=2 /\ 2:r1=1)