PPC WRC+ctrl+ctrlisyncpr "Rfe DpCtrldW Rfe DpCtrlIsyncdRPR FreRP" Cycle=Rfe DpCtrldW Rfe DpCtrlIsyncdRPR FreRP Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=Rfe DpCtrldW Rfe DpCtrlIsyncdRPR FreRP { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | cmpw r1,r1 | cmpw r1,r1 ; | beq LC00 | beq LC01 ; | LC00: | LC01: ; | li r3,1 | isync ; | stw r3,0(r4) | lwarx r3,r0,r4 ; exists (1:r1=1 /\ 2:r1=1 /\ 2:r3=0)