PPC WRW+WR+syncrp+lwsync "RfePR SyncdRWRP Wse LwSyncdWR Fre" Cycle=RfePR SyncdRWRP Wse LwSyncdWR Fre Prefetch=0:x=T,1:y=W,2:y=F,2:x=T Com=Rf Ws Fr Orig=RfePR SyncdRWRP Wse LwSyncdWR Fre { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | li r1,2 ; stw r1,0(r2) | sync | stw r1,0(r2) ; | li r3,1 | lwsync ; | stw r3,0(r4) | lwz r3,0(r4) ; exists (y=2 /\ 1:r1=1 /\ 2:r3=0)