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Ping: More ARM pattern merging

From: Bernd Schmidt <bernds at codesourcery dot com>
To: Richard Earnshaw <rearnsha at arm dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Tue, 10 Aug 2010 20:58:59 +0200
Subject: Ping: More ARM pattern merging
References: <4C56A025.9090304@codesourcery.com> <1280746294.20832.7.camel@e102346-lin.cambridge.arm.com> <4C56A3F5.7090706@codesourcery.com> <1280746578.20832.9.camel@e102346-lin.cambridge.arm.com> <4C572CC8.3050006@codesourcery.com>

On 08/02/2010 10:38 PM, Bernd Schmidt wrote:
> On 08/02/2010 12:56 PM, Richard Earnshaw wrote:
>> I think merging is a good thing provided it doesn't degrade code
>> generation when the variant is unavailable.
> 
> I see no reason why it should.  I did run before-after comparisons,
> where, other than the mla thing, I only spotted some examples of better
> code generation which I'd previously not investigated:  This is dealt
> with by the combiner patch I just submitted.
> 
> New patch below, also includes the iorsi fixes; only lightly tested so far.

http://gcc.gnu.org/ml/gcc-patches/2010-08/msg00148.html


Bernd

References:
- More ARM pattern merging
  - From: Bernd Schmidt
- Re: More ARM pattern merging
  - From: Richard Earnshaw
- Re: More ARM pattern merging
  - From: Bernd Schmidt
- Re: More ARM pattern merging
  - From: Richard Earnshaw
- Re: More ARM pattern merging
  - From: Bernd Schmidt

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