PPC WWC+lwsync+po "Rfe LwSyncdRW Rfe PodRW Wse" Cycle=Rfe PodRW Wse Rfe LwSyncdRW { 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 | li r3,1 ; | li r3,1 | stw r3,0(r4) ; | stw r3,0(r4) | ; exists (x=2 /\ 1:r1=2 /\ 2:r1=1)