PPC S+PPO774 "Wse LwSyncdWW Rfe PosRR PosRW PosWR DpCtrldW" Cycle=Rfe PosRR PosRW PosWR DpCtrldW Wse LwSyncdWW Relax= Safe=Rfe Wse PosWR PosRW PosRR LwSyncdWW DpCtrldW Prefetch=0:x=F,1:x=W Orig=Wse LwSyncdWW Rfe PosRR PosRW PosWR DpCtrldW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r7=x; } P0 | P1 ; li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | lwz r3,0(r2) ; lwsync | li r4,2 ; li r3,1 | stw r4,0(r2) ; stw r3,0(r4) | lwz r5,0(r2) ; | cmpw r5,r5 ; | beq LC00 ; | LC00: ; | li r6,1 ; | stw r6,0(r7) ; exists (x=2 /\ y=2 /\ 1:r1=1)