PPC Z6.3+sync+rfipr-datarp+sync "SyncdWW Wse RfiPR DpDatadWRP Rfe SyncdRR Fre" Prefetch=0:y=W,1:y=F,2:x=T Com=Ws Rf Fr Orig=SyncdWW Wse RfiPR DpDatadWRP Rfe SyncdRR Fre { 0:r2=x; 0:r4=y; 1:r2=y; 1:r5=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | stw r1,0(r2) | sync ; sync | lwarx r3,r0,r2 | lwz r3,0(r4) ; li r3,1 | xor r4,r3,r3 | ; stw r3,0(r4) | addi r4,r4,1 | ; | stw r4,0(r5) | ; exists (y=2 /\ 1:r3=2 /\ 2:r1=1 /\ 2:r3=0)