On Sun, Apr 10, 2005 at 09:27:58PM +0200, Sergio Ruiz wrote: > But if I use GCC with my assembler code, and I use a simple 'printf' > function, the assembler code I get is totally different than the > original one, so I cant debug it. Sounds like you're being surprised by the gcc 3.4 optimization where gcc may replace certain functions such as printf with a whole sequence of calls to more basic stdio functions? Ralf