Ilyes Gouta wrote: > Is it possible using GCC? If yes, could you please tell me how? There is __attribute__((naked)) but it's not supported for x86. I think the feeling is that gcc should be able to detect when a prologue is not necessary on its own and just not emit it, and that forcably disabling the prologue just results in horribly broken code if the function happens to require a spill. See also <http://gcc.gnu.org/ml/gcc/2004-02/threads.html#00939>. Brian