PPC safe070 "LwSyncdWW Wse SyncdWR Fre SyncdWW Wse" Cycle=LwSyncdWW Wse SyncdWR Fre SyncdWW Wse Relax= Safe=Fre Wse SyncdWW SyncdWR LwSyncdWW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | li r1,1 | li r1,2 ; stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) ; sync | sync | lwsync ; lwz r3,0(r4) | li r3,1 | li r3,1 ; | stw r3,0(r4) | stw r3,0(r4) ; exists (x=2 /\ z=2 /\ 0:r3=0)