PPC W+RW+WW+RR+lwsync+sync+addr "Rfe LwSyncdRW Wse SyncdWW Rfe DpAddrdR Fre" Prefetch=1:x=F,1:y=W,2:y=F,2:z=W,3:z=F,3:x=T Com=Rf Ws Rf Fr Orig=Rfe LwSyncdRW Wse SyncdWW Rfe DpAddrdR Fre { 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r5=x; } P0 | P1 | P2 | P3 ; li r1,1 | lwz r1,0(r2) | li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | lwsync | stw r1,0(r2) | xor r3,r1,r1 ; | li r3,1 | sync | lwzx r4,r3,r5 ; | stw r3,0(r4) | li r3,1 | ; | | stw r3,0(r4) | ; Observed 1:r1=1; 3:r1=1; 3:r4=0; y=2;