PPC Z6.2+po+lwsync+sync "PodWW Rfe LwSyncdRW Rfe SyncdRW Wse" Cycle=Rfe SyncdRW Wse PodWW Rfe LwSyncdRW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | lwsync | sync ; li r3,1 | li r3,1 | li r3,1 ; stw r3,0(r4) | stw r3,0(r4) | stw r3,0(r4) ; exists (x=2 /\ 1:r1=1 /\ 2:r1=1)