PPC RWC+addrrr+sync "RfePR DpAddrdRRR FreRP SyncdWR Fre" Cycle=RfePR DpAddrdRRR FreRP SyncdWR Fre Prefetch=0:x=T,1:y=T,2:x=T Com=Rf Fr Fr Orig=RfePR DpAddrdRRR FreRP SyncdWR Fre { 0:r2=x; 1:r2=x; 1:r5=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | li r1,1 ; stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) ; | lwarx r4,r3,r5 | sync ; | | lwz r3,0(r4) ; exists (1:r1=1 /\ 1:r4=0 /\ 2:r3=0)