PPC safe213 "SyncdWR Fre SyncsWW Rfe SyncdRW Rfe LwSyncdRW Wse" Cycle=SyncdWR Fre SyncsWW Rfe SyncdRW Rfe LwSyncdRW Wse Relax= Safe=Fre Wse SyncdWR LwSyncdRW BCSyncsWW BCSyncdRW { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r4=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | li r1,2 ; stw r1,0(r2) | sync | lwsync | stw r1,0(r2) ; sync | li r3,1 | li r3,1 | sync ; li r3,2 | stw r3,0(r4) | stw r3,0(r4) | lwz r3,0(r4) ; stw r3,0(r2) | | | ; exists (x=2 /\ z=2 /\ 1:r1=2 /\ 2:r1=1 /\ 3:r3=0)