PPC PPC042-F "Wse Rfe PodRR Fre Rfi DpAddrdW" {0:r2=y; 0:r4=x; 1:r2=x; 1:r6=y; 2:r2=y;} P0 | P1 | P2 ; lwz r1,0(r2) | li r1,1 | li r1,2 ; sync | stw r1,0(r2) | stw r1,0(r2) ; lwz r3,0(r4) | lwz r3,0(r2) | ; | lwsync | ; | xor r4,r3,r3 | ; | li r5,1 | ; | stwx r5,r4,r6 | ; forall (1:r3=1 /\ (0:r3=1 /\ (y=2 /\ (0:r1=2 \/ 0:r1=1 \/ 0:r1=0) \/ y=1 /\ (0:r1=2 \/ 0:r1=1 \/ 0:r1=0)) \/ 0:r3=0 /\ (0:r1=2 /\ y=1 \/ 0:r1=0 /\ (y=2 \/ y=1))))