PPC Z6.0+lwsync+lwsync+rfi-addr "LwSyncdWW Rfe LwSyncdRW Wse Rfi DpAddrdR Fre" Prefetch=1:z=W,2:z=F,2:x=T Com=Rf Ws Fr Orig=LwSyncdWW Rfe LwSyncdRW Wse Rfi DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r6=x; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | li r1,2 ; stw r1,0(r2) | lwsync | stw r1,0(r2) ; lwsync | li r3,1 | lwz r3,0(r2) ; li r3,1 | stw r3,0(r4) | xor r4,r3,r3 ; stw r3,0(r4) | | lwzx r5,r4,r6 ; exists (z=2 /\ 1:r1=1 /\ 2:r3=2 /\ 2:r5=0)