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Re: Pentium III SSE intrinsics
- To: Gunnar Evermann <ge204 at eng dot cam dot ac dot uk>
- Subject: Re: Pentium III SSE intrinsics
- From: Bernd Schmidt <bernds at redhat dot com>
- Date: Sun, 3 Dec 2000 16:08:10 +0000 (GMT)
- cc: gcc at gcc dot gnu dot org
On 3 Dec 2000, Gunnar Evermann wrote:
> A while ago support for some of the SSE intrinsics seems to have been
> added to gcc. After some fiddling I managed to get gcc to build and not
> segfault immediately when passing '-msse' but I can't seem to figure
> out how to actually use them.
>
> I suppose I need to call stuff like '__builtin_ia32_addps()' but what
> types should the parameters be? It would be nice to be able to use the
> standard Intel syntax, e.g. '__m128 _mm_add_ps (__m128 a, __m128 b)'
The SSE support isn't entirely complete yet. One thing that's missing
are the header files that provide the standard Intel syntax. I'll be
contributing that some day when I get around to it.
Bernd