PPC safe103 "SyncdWW Rfe DpdR Fre SyncsWW Rfe SyncdRW Wse" Cycle=SyncdWW Rfe DpdR Fre SyncsWW Rfe SyncdRW Wse Relax= Safe=Fre Wse SyncdRW DpdR BCSyncsWW BCSyncdWW { 0:r2=x; 0:r5=y; 1:r2=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r4=x; } P0 | P1 | P2 | P3 ; lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) | li r1,2 ; xor r3,r1,r1 | stw r1,0(r2) | sync | stw r1,0(r2) ; lwzx r4,r3,r5 | sync | li r3,1 | sync ; | li r3,2 | stw r3,0(r4) | li r3,1 ; | stw r3,0(r2) | | stw r3,0(r4) ; exists (y=2 /\ z=2 /\ 0:r1=1 /\ 0:r4=0 /\ 2:r1=2)