Alexander von Gluck wrote: > On 19.01.2012 17:26, Ingo Weinhold wrote: > > Alexander von Gluck wrote: > >> 1) You can download the following (simple) sse2 test c program: > >> http://pub.haikufire.com/sse.c > >> > >> 2) compile it via: gcc sse.c -msse2 -o sse > >> > >> 3) run it to have it crash as soon as it attempts the sse code. > > > > Like on executing the first SSE instruction? And how does it crash (which > > exception)? > > "General Protection Fault" If it happens when executing the first SSE instruction, then it's very likely something that we're not setting up (correctly). A look at the IA-32 specs should help find out what our setup is missing yet. CU, Ingo