PPC PPC147-F "PodRW Wse PodWR Fre PodWW Rfe" {0:r2=z; 0:r4=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z;} 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 | sync | lwsync ; stw r3,0(r4) | lwz r3,0(r4) | li r3,1 ; | | stw r3,0(r4) ; forall (0:r1=1 /\ (1:r3=1 /\ (x=2 \/ x=1) \/ 1:r3=0 /\ x=1) \/ 0:r1=0 /\ (1:r3=1 /\ (x=2 \/ x=1) \/ 1:r3=0 /\ (x=2 \/ x=1)))