On Fri, Mar 06, 2009 at 05:55:10PM +0100, Marian Jancar wrote: > which option is supposed to compile faster code, -mips3 or -mips32? That question doesn't quite make sense. A MIPS32 processor can't execute MIPS III code and a MIPS III processor can't execute MIPS32 code. Only a MIPS64 processor could execute code compiled for either MIPS32 or MIPS III. So choose the option to match the architecture of your processor. Ralf