What's the easiest way to determine if a register's value is equal to zero or not?

Question

I\'m using x86 assembly with the Irvine library.

What\'s the easiest way to check if a register value is equal to zero or not?

I used cmp instruction but i\'

Answer 1

You could use:

or ebx, 0 ;This does nothing, just triggers the zero flag if ebx is zero
jnz notZero 
or ebx, 1 ;ebx was zero, then ebx is 1
notZero: