How divide overflow occurs when sign of the dividend is same as that of divisor?

Question

As I know, The "Divide Overflow" is an exception that occurs when you try to perform division by zero.

I was learning a tutorial about computer architecture and design and I got confused by a statement

Divide overflow occurs when the sign of the dividend is same as that of the divisor.

Can anyone please enlighten about this?

Answer 1

Basically because the quotient of the division can not represent the number. Take a look here: http://faculty.kfupm.edu.sa/COE/aimane/assembly/pagegen-71.aspx.htm