On Tue, Sep 4, 2012 at 12:15 PM, Xin Tong <xerox.time.tech@xxxxxxxxx> wrote: > This is gcc x86_64 linux > > Xin > > > On Tue, Sep 4, 2012 at 11:59 AM, Xin Tong <xerox.time.tech@xxxxxxxxx> wrote: >> Is there a way to force gcc to generate a function without prologue >> and epilogue ? can i enable it with pragmas ? No, for x86_64 GCC does not support any way to disable prologue or epilogue generation Ian