PPC DETOUR0513 "SyncdWR Fre PosWR Fri Rfi DpAddrdR Fre" Cycle=Rfi DpAddrdR Fre SyncdWR Fre PosWR Fri Prefetch=0:x=F,0:y=T,1:y=F,1:x=T Com=Fr Fr Orig=SyncdWR Fre PosWR Fri Rfi DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r8=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) | li r4,2 ; | stw r4,0(r2) ; | lwz r5,0(r2) ; | xor r6,r5,r5 ; | lwzx r7,r6,r8 ; exists (0:r3=0 /\ 1:r3=1 /\ 1:r5=2 /\ 1:r7=0)