PPC PPC011-F "PodWR Fre PodWR Fre Rfi DpAddrdW" {0:r2=x; 0:r4=y; 1:r2=y; 1:r6=z; 1:r8=x;} P0 | P1 ; li r1,1 | li r1,1 ; stw r1,0(r2) | stw r1,0(r2) ; sync | lwz r3,0(r2) ; lwz r3,0(r4) | xor r4,r3,r3 ; | li r5,1 ; | stwx r5,r4,r6 ; | sync ; | lwz r7,0(r8) ; forall (1:r3=1 /\ (0:r3=1 /\ (1:r7=1 \/ 1:r7=0) \/ 0:r3=0 /\ 1:r7=1))