PPC 3.LB+sync+po+po "SyncdRW Rfe PodRW Rfe PodRW Rfe" Cycle=Rfe PodRW Rfe PodRW Rfe SyncdRW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) ; sync | li r3,1 | li r3,1 ; li r3,1 | stw r3,0(r4) | stw r3,0(r4) ; stw r3,0(r4) | | ; exists (0:r1=1 /\ 1:r1=1 /\ 2:r1=1)