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Re: [PATCH] Add Shift operation for vector types

From: Andrew Pinski <Andrew_Pinski at playstation dot sony dot com>
To: Richard Guenther <richard dot guenther at gmail dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Trevor_Smigiel <Trevor_Smigiel at playstation dot sony dot com>
Date: Wed, 8 Jul 2009 14:15:30 -0700
Subject: Re: [PATCH] Add Shift operation for vector types
References: <de8d50360907061645t2d8e71bu33faaf2a80901b42@mail.gmail.com> <84fc9c000907070158r4a000f2ke0522b1e2eb930ad@mail.gmail.com>

On Tue, Jul 7, 2009 at 1:58 AM, Richard
Guenther<richard.guenther@gmail.com> wrote:
> How do the shifts get expanded if the hardware does not support
> the operation? ÂThus, does tree-vect-generic handle this kind
> of shifts properly?

They get expanded in tree-vect-generic just like how addition is
expanded already.
The testcase I added was tested on a target which does not have
hardware support for shift operators on vector by a vector
(i686-darwin which has SSE2 enabled by default).

Thanks,
Andrew Pinski

References:
- [PATCH] Add Shift operation for vector types
  - From: Andrew Pinski
- Re: [PATCH] Add Shift operation for vector types
  - From: Richard Guenther

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