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Re: Improvements of the haifa scheduler

From: "Steven Bosscher" <stevenb dot gcc at gmail dot com>
To: "Andrew Pinski" <pinskia at gmail dot com>
Cc: "Vladimir N. Makarov" <vmakarov at redhat dot com>, "Maxim Kuvyrkov" <mkuvyrkov at ispras dot ru>, "Jim Wilson" <wilson at specifix dot com>, "Ayal Zaks" <ZAKS at il dot ibm dot com>, "Andrey Belevantsev" <abel at ispras dot ru>, gcc at gcc dot gnu dot org, "Ian Lance Taylor" <iant at google dot com>
Date: Sun, 4 Mar 2007 19:43:15 +0100
Subject: Re: Improvements of the haifa scheduler
References: <45EA972B.9080902@ispras.ru> <45EAD89A.5010907@redhat.com> <de8d50360703040934n57de2721k63ccbc54a0551e81@mail.gmail.com>

On 3/4/07, Andrew Pinski <pinskia@gmail.com> wrote:

On 3/4/07, Vladimir N. Makarov <vmakarov@redhat.com> wrote:
> Another important thing to do is to make the 1st scheduler register
> pressure sensitive.

I don't know how many times this has to be said, no this is not the
correct approach to fix that issue.  The correct fix is able for the
register allocator to work correctly and fix up the IR.

Andrew, your truth isn't necessarily _the_ truth in this matter ;-)

Gr.
Steven

References:
- Improvements of the haifa scheduler
  - From: Maxim Kuvyrkov
- Re: Improvements of the haifa scheduler
  - From: Vladimir N. Makarov
- Re: Improvements of the haifa scheduler
  - From: Andrew Pinski

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