PPC safe048 "SyncdWR Fre LwSyncdWW Wse SyncdWW Wse" Cycle=SyncdWR Fre LwSyncdWW Wse 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 r1,1 | li r1,2 | li r1,2 ; stw r1,0(r2) | stw r1,0(r2) | stw r1,0(r2) ; lwsync | sync | sync ; li r3,1 | li r3,1 | lwz r3,0(r4) ; stw r3,0(r4) | stw r3,0(r4) | ; exists (y=2 /\ z=2 /\ 2:r3=0)