PPC DataWW "Wse SyncdWW Rfe DpDatadW PodWW" Prefetch=0:x=F,1:x=W Com=Rf Ws Orig=Wse SyncdWW Rfe DpDatadW PodWW { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 1:r6=x; } P0 | P1 ; li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | xor r3,r1,r1 ; sync | addi r3,r3,1 ; li r3,1 | stw r3,0(r4) ; stw r3,0(r4) | li r5,1 ; | stw r5,0(r6) ; Observed 1:r1=1; x=2;