PPC LB+lwsync+addr+fri "LwSyncdRW Rfe DpAddrdR Fri Rfe" Prefetch= Com=Rf Rf Orig=LwSyncdRW Rfe DpAddrdR Fri Rfe { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=x; } P0 | P1 ; lwz r1,0(r2) | lwz r1,0(r2) ; lwsync | xor r3,r1,r1 ; li r3,1 | lwzx r4,r3,r5 ; stw r3,0(r4) | li r6,1 ; | stw r6,0(r5) ; exists (0:r1=1 /\ 1:r1=1 /\ 1:r4=0)