PPC PPC029-L "PodWW Wse Rfi DpAddrdR PodRR Fre 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 r1,1 ; LOCK(r9) | LOCK(r9) ; stw r1,0(r2) | stw r1,0(r2) ; UNLOCK(r9) | UNLOCK(r9) ; LOCK(r9) | lwz r3,0(r2) ; lwz r3,0(r2) | xor r4,r3,r3 ; UNLOCK(r9) | li r5,1 ; xor r4,r3,r3 | stwx r5,r4,r6 ; lwzx r5,r4,r6 | li r7,1 ; LOCK(r10) | LOCK(r10) ; lwz r7,0(r8) | stw r7,0(r8) ; UNLOCK(r10) | UNLOCK(r10) ; forall (1:r3=1 /\ (0:r3=2 /\ (0:r7=1 /\ (x=2 \/ x=1) \/ 0:r7=0 /\ x=1) \/ 0:r3=1 /\ 0:r7=1 /\ x=1))