PPC PPC199-F "Wse PodWR Fre PodWW" {0:r2=y; 0:r4=x; 0:r6=a; 0:r8=b; 1:r2=x; 1:r4=y; 1:r6=b; 1:r8=a;} P0 | P1 ; li r5,1 | li r1,1 ; li r1,2 | stw r1,0(r2) ; stw r1,0(r2) | lwsync ; stw r5,0(r6) | li r5,2 ; lwsync | li r3,1 ; li r7,1 | stw r3,0(r4) ; stw r7,0(r8) | stw r5,0(r6) ; sync | sync ; lwz r3,0(r4) | lwz r7,0(r8) ; forall (0:r3=1 /\ (1:r7=1 /\ (b=2 /\ (y=2 \/ y=1) \/ b=1 /\ (y=2 \/ y=1)) \/ 1:r7=0 /\ b=1 /\ (y=2 \/ y=1)) \/ 0:r3=0 /\ 1:r7=1 /\ b=2 /\ y=1)