PPC WWC+addr+sync "Rfe DpAddrdW Rfe SyncdRW Wse" Cycle=Rfe SyncdRW Wse Rfe DpAddrdW { 0:r2=x; 1:r2=x; 1:r5=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | xor r3,r1,r1 | sync ; | li r4,1 | li r3,1 ; | stwx r4,r3,r5 | stw r3,0(r4) ; exists (x=2 /\ 1:r1=2 /\ 2:r1=1)