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