PPC ISA2+sync+ctrl+addr "SyncdWW Rfe DpCtrldW Rfe DpAddrdR Fre" Prefetch=2:x=T Com=Rf Rf Fr Orig=SyncdWW Rfe DpCtrldW Rfe DpAddrdR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r5=x; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | cmpw r1,r1 | xor r3,r1,r1 ; sync | beq LC00 | lwzx r4,r3,r5 ; li r3,1 | LC00: | ; stw r3,0(r4) | li r3,1 | ; | stw r3,0(r4) | ; exists (1:r1=1 /\ 2:r1=1 /\ 2:r4=0)