PPC PPO001 "LwSyncdWW Rfe DpCtrldW PosWR DpAddrdR Fre" Cycle=Rfe DpCtrldW PosWR DpAddrdR Fre LwSyncdWW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 1:r8=x; } P0 | P1 ; li r1,1 | lwz r1,0(r2) ; stw r1,0(r2) | cmpw r1,r1 ; lwsync | beq LC00 ; li r3,1 | LC00: ; stw r3,0(r4) | li r3,1 ; | stw r3,0(r4) ; | lwz r5,0(r4) ; | xor r6,r5,r5 ; | lwzx r7,r6,r8 ; exists (1:r1=1 /\ 1:r7=0)