PPC MP0087 "LwSyncdWW Rfe PosRR DpAddrdR Fre" Cycle=Rfe PosRR DpAddrdR Fre LwSyncdWW Relax=[Fre,LwSyncdWW,Rfe] Safe=PosRR DpAddrdR Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Orig=LwSyncdWW Rfe PosRR DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r6=x; } P0 | P1 ; li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | lwz r3,0(r2) ; lwsync | xor r4,r3,r3 ; li r3,1 | lwzx r5,r4,r6 ; stw r3,0(r4) | ; exists (1:r1=1 /\ 1:r5=0)