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Re: [PATCH v2] combine: Improve change_zero_ext, call simplify_set afterwards.

From: Segher Boessenkool <segher at kernel dot crashing dot org>
To: vogt at linux dot vnet dot ibm dot com, gcc-patches at gcc dot gnu dot org, Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>
Date: Mon, 12 Dec 2016 10:54:12 -0600
Subject: Re: [PATCH v2] combine: Improve change_zero_ext, call simplify_set afterwards.
Authentication-results: sourceware.org; auth=none
References: <20161209152344.GA22030@linux.vnet.ibm.com> <20161210163737.GY2767@gate.crashing.org> <20161212164602.GA21026@linux.vnet.ibm.com>

On Mon, Dec 12, 2016 at 05:46:02PM +0100, Dominik Vogt wrote:
> Patch with these changes and a fix because of not handling
> VOIDmode attached.  Bootstrapped and regression tested on s390 and
> s390x.

Okay for trunk.

When did you see VOIDmode, btw?  It wasn't on a const_int I hope?


Segher


> 	* combine.c (change_zero_ext): Handle mode expanding zero_extracts.

Follow-Ups:
- Re: [PATCH v2] combine: Improve change_zero_ext, call simplify_set afterwards.
  - From: Dominik Vogt
- Re: [PATCH v2] combine: Improve change_zero_ext, call simplify_set afterwards.
  - From: Georg-Johann Lay

References:
- [RFC] combine: Improve change_zero_ext, call simplify_set afterwards.
  - From: Dominik Vogt
- Re: [RFC] combine: Improve change_zero_ext, call simplify_set afterwards.
  - From: Segher Boessenkool
- Re: [PATCH v2] combine: Improve change_zero_ext, call simplify_set afterwards.
  - From: Dominik Vogt

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