PPC safe181 "SyncdWR Fre Rfe SyncdRR Fre LwSyncdWW Wse" Cycle=SyncdWR Fre Rfe SyncdRR Fre LwSyncdWW Wse Relax= Safe=Fre Wse SyncdWR LwSyncdWW ACSyncdRR { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r4=x; 3:r2=x; } P0 | P1 | P2 | P3 ; lwz r1,0(r2) | li r1,1 | li r1,2 | li r1,1 ; sync | stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) ; lwz r3,0(r4) | lwsync | sync | ; | li r3,1 | lwz r3,0(r4) | ; | stw r3,0(r4) | | ; Observed 0:r1=1; 0:r3=0; 2:r3=0; z=2;