PPC PPC028-L "Wse Rfi DpAddrdR PodRR Fre Rfi DpAddrdW" {0:r9=L_y; 0:r10=L_x; 1:r8=L_y; 1:r7=L_x; 0:r2=y; 0:r6=z; 0:r8=x; 1:r2=x; 1:r6=y;} P0 | P1 ; li r1,2 | li r1,1 ; LOCK(r9) | LOCK(r7) ; stw r1,0(r2) | stw r1,0(r2) ; UNLOCK(r9) | UNLOCK(r7) ; LOCK(r9) | lwz r3,0(r2) ; lwz r3,0(r2) | xor r4,r3,r3 ; UNLOCK(r9) | li r5,1 ; xor r4,r3,r3 | LOCK(r8) ; lwzx r5,r4,r6 | stwx r5,r4,r6 ; LOCK(r10) | UNLOCK(r8) ; lwz r7,0(r8) | ; UNLOCK(r10) | ; forall (1:r3=1 /\ (0:r3=2 /\ (0:r7=1 /\ (y=2 \/ y=1) \/ 0:r7=0 /\ y=1) \/ 0:r3=1 /\ 0:r7=1 /\ y=1))