PPC PPC052-L "PodWR Fre PodWW Wse Rfi DpAddrdW" {0:r6=L_y; 0:r5=L_x; 1:r9=L_y; 1:r10=L_x; 0:r2=x; 0:r4=y; 1:r2=y; 1:r6=z; 1:r8=x;} P0 | P1 ; li r1,1 | li r1,2 ; LOCK(r5) | LOCK(r9) ; stw r1,0(r2) | stw r1,0(r2) ; UNLOCK(r5) | UNLOCK(r9) ; li r3,1 | LOCK(r9) ; LOCK(r6) | lwz r3,0(r2) ; stw r3,0(r4) | UNLOCK(r9) ; UNLOCK(r6) | xor r4,r3,r3 ; | li r5,1 ; | stwx r5,r4,r6 ; | LOCK(r10) ; | lwz r7,0(r8) ; | UNLOCK(r10) ; forall (1:r3=2 /\ (1:r7=1 /\ (y=2 \/ y=1) \/ 1:r7=0 /\ y=1) \/ 1:r3=1 /\ 1:r7=1 /\ y=1)