PPC RWC+addr+lwsyncpr "Rfe DpAddrdR Fre LwSyncdWRPR FreRP" Cycle=Rfe DpAddrdR Fre LwSyncdWRPR FreRP Prefetch=0:x=T,1:y=T,2:x=T Com=Rf Fr Fr Orig=Rfe DpAddrdR Fre LwSyncdWRPR FreRP { 0:r2=x; 1:r2=x; 1:r5=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | li r1,1 ; stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) ; | lwzx r4,r3,r5 | lwsync ; | | lwarx r3,r0,r4 ; exists (1:r1=1 /\ 1:r4=0 /\ 2:r3=0)