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From: Elena Zannoni <ezannoni@redhat.com>
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Date: Mon, 20 May 2002 17:52:00 -0000
To: Aldy Hernandez <aldyh@redhat.com>
Cc: Michael Snyder <msnyder@redhat.com>, gdb@sources.redhat.com,
        ezannoni@redhat.com
Subject: Re: [RFC] Tests for vector types?
In-Reply-To: <20020521003143.GF12079@redhat.com>
References: <3CE98F1E.593D2A1A@redhat.com>
	<20020521003143.GF12079@redhat.com>
X-SW-Source: 2002-05/txt/msg00244.txt.bz2

Aldy Hernandez writes:
 > On Mon, May 20, 2002 at 05:04:46PM -0700, Michael Snyder wrote:
 > > Say, these new vector types such as exist for Altivec...
 > > are they going to be generally available to GCC users from now on?
 > > Like, say, on i386-Linux?
 > 
 > they are already in x86: sse, mmx, etc.
 > 

Yes, but the gdb side needs to be cleaned up a bit, the gdb
implementation of these vectors is different from Altivec, i.e. they
use an old/deprecated representation. 

 > > If so, we should make up some generic tests for them for gdb.
 > 
 > unfortunately the tests can't be too generic because they depend
 > on the architecture having support for the SIMD type.  say, you
 > can't test V4SI on an architecture that only provides 64bit SIMD
 > registers (V2SI).
 > 
 > i have some patches i'm polishing up to provide just that-- any
 > SIMD type (say V4SI) regardless of if the hardware supports it.  this
 > will make it easier to write generic tests.
 > 

Cool.

Elena


 > aldy