PPC PPC136-F "Fre Rfe PodRW Wse Rfi DpAddrdR" {0:r2=y; 0:r4=x; 1:r2=x; 1:r6=y; 2:r2=y;} P0 | P1 | P2 ; lwz r1,0(r2) | li r1,2 | li r1,1 ; lwsync | stw r1,0(r2) | stw r1,0(r2) ; li r3,1 | lwz r3,0(r2) | ; stw r3,0(r4) | sync | ; | xor r4,r3,r3 | ; | lwzx r5,r4,r6 | ; forall (0:r1=1 /\ (1:r3=2 /\ (1:r5=1 /\ (x=2 \/ x=1) \/ 1:r5=0 /\ x=1) \/ 1:r3=1 /\ 1:r5=1 /\ x=1) \/ 0:r1=0 /\ (1:r3=2 /\ (1:r5=1 /\ (x=2 \/ x=1) \/ 1:r5=0 /\ (x=2 \/ x=1)) \/ 1:r3=1 /\ x=1 /\ (1:r5=1 \/ 1:r5=0)))