PPC Z6.1+sync+lwsync+ctrl "SyncdWW Wse LwSyncdWW Rfe DpCtrldW Wse" Prefetch=0:x=F,0:y=W,1:y=F,2:x=W Com=Ws Rf Ws Orig=SyncdWW Wse LwSyncdWW Rfe DpCtrldW Wse { 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=z; 2:r2=z; 2:r4=x; } P0 | P1 | P2 ; li r1,2 | li r1,2 | lwz r1,0(r2) ; stw r1,0(r2) | stw r1,0(r2) | cmpw r1,r1 ; sync | lwsync | beq LC00 ; li r3,1 | li r3,1 | LC00: ; stw r3,0(r4) | stw r3,0(r4) | li r3,1 ; | | stw r3,0(r4) ; exists (x=2 /\ y=2 /\ 2:r1=1)