.while loop doesn't stop, .while esi >= 0 dec esi does never stop

Hi,

I'm using WinAsm with masm32 and wonder why the following code doesn't stop:

mov esi, 2
.while esi >= 0
dec esi
.endw

Does anybody has a clue, why?

Don't know how to do it with a .while loop, but this is how I would do it:

you are doing signed comparison... you should add sdword ptr before esi in the .while loop: