PPC e5 (EFive) { 0:r5=x ; 0:r6=y; 0:r1=1 ; 0:r2=2; 1:r5=x ; 1:r6=y; 1:r1=1 ; 1:r2=2; } P0 |P1 ; stw r1,0(r5) |stw r1,0(r6) ; lwz r3,0(r5) |lwz r3,0(r6) ; xor r9,r3,r3 |xor r9,r3,r3 ; stwx r2,r9,r6|stwx r2,r9,r5; locations [x;y;] exists (x=1 /\ y=1)