PPC PPC177-A "PodRR Fre Rfe PodRW Rfe" {0:r2=y; 0:r4=x; 1:r2=x; 2:r2=x; 2:r4=y;} P0 | P1 | P2 ; FNO(r1,r2) | li r1,1 | FNO(r1,r2) ; FNO(r3,r4) | stw r1,0(r2) | li r3,1 ; | | STA(r3,r4) ; forall (0:r1=1 /\ (0:r3=1 /\ (2:r1=1 \/ 2:r1=0) \/ 0:r3=0 /\ 2:r1=0) \/ 0:r1=0 /\ (0:r3=1 /\ (2:r1=1 \/ 2:r1=0) \/ 0:r3=0 /\ (2:r1=1 \/ 2:r1=0)))