There is no need to compare - ORing the register with itself will suffice to set...

to3m on Sept 5, 2012 | parent | context | favorite | on: What I learned from my first C coding challenge

There is no need to compare - ORing the register with itself will suffice to set the Z flag. This is more concise on x86 - i think it's 2 bytes to OR a 32-bit register with itself, vs 3 for a compare with a (sign-extended) 8-bit immediate zero.