PPC safe015 "LwSyncdWW Wse SyncdWW Rfe DpdW Wse" Cycle=LwSyncdWW Wse SyncdWW Rfe DpdW Wse Relax= Safe=Wse LwSyncdWW DpdW BCSyncdWW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | li r1,2 ; stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) ; sync | li r4,1 | lwsync ; li r3,1 | stwx r4,r3,r5 | li r3,1 ; stw r3,0(r4) | | stw r3,0(r4) ; exists (x=2 /\ z=2 /\ 1:r1=1)