PPC DETOUR0516 "SyncdWR Fre Rfi PosRR DpAddrdR Fre" Cycle=Rfi PosRR DpAddrdR Fre SyncdWR Fre Prefetch=0:x=F,0:y=T,1:y=F,1:x=T Com=Fr Fr Orig=SyncdWR Fre Rfi PosRR DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r7=x; } P0 | P1 ; li r1,1 | li r1,1 ; stw r1,0(r2) | stw r1,0(r2) ; sync | lwz r3,0(r2) ; lwz r3,0(r4) | lwz r4,0(r2) ; | xor r5,r4,r4 ; | lwzx r6,r5,r7 ; exists (0:r3=0 /\ 1:r3=1 /\ 1:r6=0)