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Re: [PATCH] Start adding support for VIS 3.0 instructions.

From: Richard Henderson <rth at redhat dot com>
To: David Miller <davem at davemloft dot net>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 03 Oct 2011 18:54:18 -0700
Subject: Re: [PATCH] Start adding support for VIS 3.0 instructions.
References: <20111001.144020.405391787739276879.davem@davemloft.net> <4E8A34D4.7090609@redhat.com> <20111003.214300.152712965539451169.davem@davemloft.net>

On 10/03/2011 06:43 PM, David Miller wrote:
> What exactly is supposed to happen when, for example, the comparison
> is between two v4hi values and the conditional move is done on
> v2si values?  It seems the only requirement is that modes N and M
> be vector modes of the same size.

It's supposed to be vector modes of the same size and element count.
I.e. only V4SI and V4SF.  I guess that's not 100% clear from the
documentation...

r~

References:
- [PATCH] Start adding support for VIS 3.0 instructions.
  - From: David Miller
- Re: [PATCH] Start adding support for VIS 3.0 instructions.
  - From: Richard Henderson
- Re: [PATCH] Start adding support for VIS 3.0 instructions.
  - From: David Miller

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