[haiku-development] Re: Haiku SSE status?
- From: Fredrik Holmqvist <fredrik.holmqvist@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Fri, 20 Jan 2012 07:18:23 +0100
2012/1/20 Ingo Weinhold <ingo_weinhold@xxxxxx>:
> 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.
I have the same issue with MMX. I havn't used MMX much before so I
thought it was just me. I've tried w/o alignment, saving/restoring
fpu, emms, sfence and so on. But just doing a 'movd %eax, %mm0' hangs.
/Fredrik Holmqvist, TQH
Other related posts:
