PPC PPC069-L "PodWW Wse Rfi DpAddrdR PodRW Wse Rfi DpAddrdW" {0:r10=L_z; 0:r9=L_x; 1:r9=L_z; 1:r10=L_x; 0:r2=x; 0:r6=y; 0:r8=z; 1:r2=z; 1:r6=a; 1:r8=x;} P0 | P1 ; li r1,2 | li r1,2 ; LOCK(r9) | LOCK(r9) ; stw r1,0(r2) | stw r1,0(r2) ; UNLOCK(r9) | UNLOCK(r9) ; LOCK(r9) | LOCK(r9) ; lwz r3,0(r2) | lwz r3,0(r2) ; UNLOCK(r9) | UNLOCK(r9) ; xor r4,r3,r3 | xor r4,r3,r3 ; lwzx r5,r4,r6 | li r5,1 ; li r7,1 | stwx r5,r4,r6 ; LOCK(r10) | li r7,1 ; stw r7,0(r8) | LOCK(r10) ; UNLOCK(r10) | stw r7,0(r8) ; | UNLOCK(r10) ; forall (0:r3=2 /\ (1:r3=2 /\ (x=2 /\ z=1 \/ x=1 /\ (z=2 \/ z=1)) \/ 1:r3=1 /\ x=1 /\ z=1) \/ 0:r3=1 /\ 1:r3=2 /\ x=1 /\ z=1)