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Re: front end changes for altivec

From: Richard Henderson <rth at redhat dot com>
To: Dale Johannesen <dalej at apple dot com>
Cc: Aldy Hernandez <aldyh at redhat dot com>, "Joseph S. Myers" <jsm28 at cam dot ac dot uk>, gcc at gcc dot gnu dot org
Date: Tue, 27 Nov 2001 17:44:52 -0800
Subject: Re: front end changes for altivec
References: <1006910794.5178.61.camel@litecycle.cc.andrews.edu> <DCE5BBA7-E3A0-11D5-AEEE-003065C86F94@apple.com>

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~

References:
- Re: front end changes for altivec
  - From: Aldy Hernandez
- Re: front end changes for altivec
  - From: Dale Johannesen

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