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Re: [RFC, 4.9 patch] Reload alternative weighting vs. wrong class regs

From: Alan Modra <amodra at gmail dot com>
To: Steven Bosscher <stevenb dot gcc at gmail dot com>
Cc: gcc-patches at gcc dot gnu dot org, Ulrich Weigand <uweigand at de dot ibm dot com>, Bernd Schmidt <bernds at codesourcery dot com>
Date: Fri, 8 Feb 2013 09:17:56 +1030
Subject: Re: [RFC, 4.9 patch] Reload alternative weighting vs. wrong class regs
References: <20130207030946.GV5023@bubble.grove.modra.org> <CABu31nO9kxDk7Jv8Nk=5feU4X+--2iLvD1Ng2h3_f-FE6ToZ8A@mail.gmail.com>

On Thu, Feb 07, 2013 at 11:01:13PM +0100, Steven Bosscher wrote:
> FWIW, left trunk vs. LRA right (with PR54009 patch on rs6000.c):
[snip]
> 
> I don't speak POWER but perhaps you can make sense of it :-)

No real difference in "r" function, and interesting that LRA does a
better job of "w", about the same as trunk with my reload patch.

-- 
Alan Modra
Australia Development Lab, IBM

References:
- [RFC, 4.9 patch] Reload alternative weighting vs. wrong class regs
  - From: Alan Modra
- Re: [RFC, 4.9 patch] Reload alternative weighting vs. wrong class regs
  - From: Steven Bosscher

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