PPC 2+2W+lwsync+rfi-data "LwSyncdWW Wse Rfi DpDatadW Wse" Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Ws Ws Orig=LwSyncdWW Wse Rfi DpDatadW Wse { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=x; } P0 | P1 ; li r1,2 | li r1,2 ; stw r1,0(r2) | stw r1,0(r2) ; lwsync | lwz r3,0(r2) ; li r3,1 | xor r4,r3,r3 ; stw r3,0(r4) | addi r4,r4,1 ; | stw r4,0(r5) ; exists (x=2 /\ y=2 /\ 1:r3=2)