PPC S+PPO021 "Wse LwSyncdWW Rfe DpAddrdR DpCtrldW PosWR DpAddrdR DpAddrdW" Cycle=Rfe DpAddrdR DpCtrldW PosWR DpAddrdR DpAddrdW Wse LwSyncdWW Relax= Safe=Rfe Wse PosWR LwSyncdWW DpAddrdW DpAddrdR DpCtrldW Prefetch=0:x=F,1:x=W Orig=Wse LwSyncdWW Rfe DpAddrdR DpCtrldW PosWR DpAddrdR DpAddrdW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=z; 1:r7=a; 1:r11=b; 1:r14=x; } P0 | P1 ; li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | xor r3,r1,r1 ; lwsync | lwzx r4,r3,r5 ; li r3,1 | cmpw r4,r4 ; stw r3,0(r4) | beq LC00 ; | LC00: ; | li r6,1 ; | stw r6,0(r7) ; | lwz r8,0(r7) ; | xor r9,r8,r8 ; | lwzx r10,r9,r11 ; | xor r12,r10,r10 ; | li r13,1 ; | stwx r13,r12,r14 ; exists (x=2 /\ 1:r1=1)