PPC LB0044 "DpDatadW Rfe DpAddrdW PosWR DpCtrldW Rfe" Cycle=Rfe DpAddrdW PosWR DpCtrldW Rfe DpDatadW Relax=[Rfe,DpDatadW,Rfe] Safe=PosWR DpAddrdW DpCtrldW Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Rf Orig=DpDatadW Rfe DpAddrdW PosWR DpCtrldW Rfe { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=z; 1:r8=x; } P0 | P1 ; lwz r1,0(r2) | lwz r1,0(r2) ; xor r3,r1,r1 | xor r3,r1,r1 ; addi r3,r3,1 | li r4,1 ; stw r3,0(r4) | stwx r4,r3,r5 ; | lwz r6,0(r5) ; | cmpw r6,r6 ; | beq LC00 ; | LC00: ; | li r7,1 ; | stw r7,0(r8) ; exists (0:r1=1 /\ 1:r1=1)