PPC PPC172-A "PodRW Rfe PodRW Rfe PodRW Rfe PodRW Rfe" {0:r2=a; 0:r4=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=z; 3:r2=z; 3:r4=a;} P0 | P1 | P2 | P3 ; FNO(r1,r2) | FNO(r1,r2) | FNO(r1,r2) | FNO(r1,r2) ; li r3,1 | li r3,1 | li r3,1 | li r3,1 ; STA(r3,r4) | STA(r3,r4) | STA(r3,r4) | STA(r3,r4) ; forall (0:r1=1 /\ (1:r1=1 /\ (2:r1=1 /\ 3:r1=0 \/ 2:r1=0 /\ (3:r1=1 \/ 3:r1=0)) \/ 1:r1=0 /\ (2:r1=1 /\ (3:r1=1 \/ 3:r1=0) \/ 2:r1=0 /\ (3:r1=1 \/ 3:r1=0))) \/ 0:r1=0 /\ (1:r1=1 /\ (2:r1=1 /\ (3:r1=1 \/ 3:r1=0) \/ 2:r1=0 /\ (3:r1=1 \/ 3:r1=0)) \/ 1:r1=0 /\ (2:r1=1 /\ (3:r1=1 \/ 3:r1=0) \/ 2:r1=0 /\ (3:r1=1 \/ 3:r1=0))))