PPC PPC158 "PodRR Fre PodWW Wse 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 r1,1 | li r1,2 ; lwz r3,0(r4) | stw r1,0(r2) | stw r1,0(r2) ; | li r3,1 | li r3,1 ; | stw r3,0(r4) | stw r3,0(r4) ; forall (0:r1=1 /\ (0:r3=1 /\ ([y]=2 \/ [y]=1) \/ 0:r3=0 /\ ([y]=1)) \/ 0:r1=0 /\ (0:r3=1 /\ ([y]=2 \/ [y]=1) \/ 0:r3=0 /\ ([y]=2 \/ [y]=1)))