PPC W+RW+RW+RR+sync+addr+addr "Rfe SyncdRW Rfe DpAddrdW Rfe DpAddrdR Fre" Prefetch=0:x=T,3:x=T Com=Rf Rf Rf Fr Orig=Rfe SyncdRW Rfe DpAddrdW Rfe DpAddrdR Fre { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r5=z; 3:r2=z; 3:r5=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | sync | xor r3,r1,r1 | xor r3,r1,r1 ; | li r3,1 | li r4,1 | lwzx r4,r3,r5 ; | stw r3,0(r4) | stwx r4,r3,r5 | ; exists (1:r1=1 /\ 2:r1=1 /\ 3:r1=1 /\ 3:r4=0)