PPC aclwdrr028 "Fre SyncdWR Fre SyncdWW Rfe LwSyncdRR" Cycle=Fre SyncdWR Fre SyncdWW Rfe LwSyncdRR Relax=ACLwSyncdRR Safe=Fre SyncdWW SyncdWR { 0:r2=z; 0:r4=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; } P0 | P1 | P2 ; li r1,1 | li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | stw r1,0(r2) | lwsync ; sync | sync | lwz r3,0(r4) ; lwz r3,0(r4) | li r3,1 | ; | stw r3,0(r4) | ; exists (0:r3=0 /\ 2:r1=1 /\ 2:r3=0)