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Re: [FORTRAN PATCH] Improved scalarization of constant array constructors

From: "Paul Richard Thomas" <paul dot richard dot thomas at gmail dot com>
To: "Jack Howarth" <howarth at bromo dot msbb dot uc dot edu>
Cc: "Paul Thomas" <paulthomas2 at wanadoo dot fr>, roger at eyesopen dot com, fortran at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Date: Tue, 9 Jan 2007 17:42:12 +0100
Subject: Re: [FORTRAN PATCH] Improved scalarization of constant array constructors
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=d7E/PiJaYWxrYXPq4oOksOfz1XvWv1CR7wtvcbhyQxMg5Nzs/c0PDf/1NY8dQo7XKFXL16GQw3ZBeTQx3laBlhqCPLhFSRjLpfbo0qMzGcMV7XC7tRfxr2l25SGIoyJVzXmXQKN8Q3Xr4MNiB0unBEpw8uRcPMyMd8Rz/lYNPYo=
References: <339c37f20701080123lc8c5d8ap37e3a4a5252b6d3e@mail.gmail.com> <20070109010058.GA4617@bromo.msbb.uc.edu> <45A363EB.3020105@wanadoo.fr> <20070109151122.GA12629@bromo.msbb.uc.edu>

Yes, ...and SPEC2006 too.

HJ Lu does the SPEC2006 and... Richard Guenther, or somebody in the
SUSE outfit, does both.

Paul

On 1/9/07, Jack Howarth <howarth@bromo.msbb.uc.edu> wrote:

Paul,
   Someone is running an automated test system for gcc trunk
against the polyhedron benchmark, no? Shouldn't we be able
to just watch for any changes when this patch goes into
gcc trunk?
                    Jack

On Tue, Jan 09, 2007 at 10:44:11AM +0100, Paul Thomas wrote:
> Jack,
> >Paul,
> >   Is this patch well defined enough that it might be safe for gcc 4.2
> >branch as well? If it provides a significant performance improvement
> >that might merit the risk.
> >                 Jack
> >
> >
> If it makes a noticable difference to Polyhedron/SPEC2006 and does not
> damage anything on trunk over a ~1 week timescale, yes I would say that
> it would be worth it.  I do not think that there is any risk on this one.
>
> Best regards
>
> Paul
>

References:
- [FORTRAN PATCH] Improved scalarization of constant array constructors
  - From: Paul Richard Thomas
- Re: [FORTRAN PATCH] Improved scalarization of constant array constructors
  - From: Jack Howarth
- Re: [FORTRAN PATCH] Improved scalarization of constant array constructors
  - From: Paul Thomas
- Re: [FORTRAN PATCH] Improved scalarization of constant array constructors
  - From: Jack Howarth

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