From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Henderson <rth@redhat.com>
To: Dale Johannesen <dalej@apple.com>
Cc: Aldy Hernandez <aldyh@redhat.com>, "Joseph S. Myers" <jsm28@cam.ac.uk>, gcc@gcc.gnu.org
Subject: Re: front end changes for altivec
Date: Tue, 27 Nov 2001 17:45:00 -0000
Message-ID: <20011127174452.A30389@redhat.com>
References: <1006910794.5178.61.camel@litecycle.cc.andrews.edu> <DCE5BBA7-E3A0-11D5-AEEE-003065C86F94@apple.com>
X-SW-Source: 2001-11/msg01445.html
Message-ID: <20011127174500.QwUW7APoHecL1FCP5se4cgd7KKcM9KYrSLoi7XOo-pg@z>

On Tue, Nov 27, 2001 at 05:40:11PM -0800, Dale Johannesen wrote:
> I come from a BE background, so to me a single mode for all
> 16-byte vector objects seems cleanest, but I'm sure people from
> FE backgrounds would disagree.

This falls down for operations such as saturating addition --
you have to know what the element width is, so that you can
choose the proper instruction.


r~