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Re: A bit of vector extension documentation

To: Bernd Schmidt <bernds at redhat dot com>
Subject: Re: A bit of vector extension documentation
From: Daniel Egger <degger at fhm dot edu>
Date: 28 Sep 2001 09:03:57 +0200
Cc: gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org
References: <Pine.LNX.4.33.0109271556440.27756-100000@host140.cambridge.redhat.com>

On Don, 2001-09-27 at 17:06, Bernd Schmidt wrote:

> However, I'm still doubtful about exposing a lowlevel interface like
> __attribute__((mode)).  So I came up with the patch below, which adds a
> new file gcc_vector.h.  This currently provides types for the i386 MMX and
> SSE extensions, it can be extended for other CPUs (that's why it's not in
> config/i386).

I'm actually more concerned about the braindead interface to those functions.
Using __bultin_whatever to apply single operations to SIMD types is about
as comfortable as inline ASM programming at large with the advantage of
scheduling.

--
Servus,
       Daniel

Follow-Ups:
- Re: A bit of vector extension documentation
  - From: Richard Henderson

References:
- Re: A bit of vector extension documentation
  - From: Bernd Schmidt

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