PPC MP0000 "PosWR DpAddrdR DpAddrdW Rfe DpAddrdR Fre" Cycle=Rfe DpAddrdR Fre PosWR DpAddrdR DpAddrdW Relax=[Rfe,DpAddrdR,Fre] Safe=PosWR DpAddrdW DpAddrdR Prefetch=0:x=F,0:z=W,1:z=F,1:x=T Com=Rf Fr Orig=PosWR DpAddrdR DpAddrdW Rfe DpAddrdR Fre { 0:r2=x; 0:r6=y; 0:r9=z; 1:r2=z; 1:r5=x; } P0 | P1 ; li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | xor r3,r1,r1 ; lwz r3,0(r2) | lwzx r4,r3,r5 ; xor r4,r3,r3 | ; lwzx r5,r4,r6 | ; xor r7,r5,r5 | ; li r8,1 | ; stwx r8,r7,r9 | ; exists (1:r1=1 /\ 1:r4=0)