PPC S0139 "LwSyncdWW Rfe PodRR PosRW Wse" Cycle=Rfe PodRR PosRW Wse LwSyncdWW Relax=[Wse,LwSyncdWW,Rfe] Safe=PosRW PodRR Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Ws Orig=LwSyncdWW Rfe PodRR PosRW Wse { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=x; } P0 | P1 ; li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | lwz r3,0(r4) ; lwsync | li r5,1 ; li r3,1 | stw r5,0(r4) ; stw r3,0(r4) | ; Observed 1:r1=1; x=2;