PPC R+sync+rfi-addr "SyncdWW Wse Rfi DpAddrdR Fre" Prefetch=0:y=W,1:y=F,1:x=T Com=Ws Fr Orig=SyncdWW Wse Rfi DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r6=x; } P0 | P1 ; li r1,1 | li r1,2 ; stw r1,0(r2) | stw r1,0(r2) ; sync | lwz r3,0(r2) ; li r3,1 | xor r4,r3,r3 ; stw r3,0(r4) | lwzx r5,r4,r6 ; exists (y=2 /\ 1:r3=2 /\ 1:r5=0)