From: Marc Glisse <marc.glisse@inria.fr>
To: Thomas Preud'homme <thomas.preudhomme@arm.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH][2/3] Fix PR54733 Optimize endian independent load/store
Date: Wed, 02 Apr 2014 06:17:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.10.1404020800200.3584@laptop-mg.saclay.inria.fr> (raw)
In-Reply-To: <000b01cf4e0e$54044b70$fc0ce250$@arm.com>
On Wed, 2 Apr 2014, Thomas Preud'homme wrote:
> Note that as it stands the patch does not work for arrays indexed with
> variable (such a tab[a] || (tab[a+1] << 8)) because fold_const does not
> fold (a + 1) - a.
Uh? It does fold a+1-a for me. What it doesn't do is look through the
definition of b in b-a. Richard+GSoC will supposedly soon provide a
function that does that.
--
Marc Glisse
next prev parent reply other threads:[~2014-04-02 6:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-02 0:55 Thomas Preud'homme
2014-04-02 6:17 ` Marc Glisse [this message]
2014-04-02 7:04 ` Thomas Preud'homme
2014-04-02 8:17 ` Richard Biener
2014-04-03 5:42 ` Thomas Preud'homme
2014-04-04 5:49 ` Thomas Preud'homme
2014-04-15 9:07 ` Richard Biener
2014-04-17 5:30 ` Thomas Preud'homme
2014-04-17 10:36 ` Richard Biener
2014-04-24 1:37 ` Thomas Preud'homme
2014-04-24 8:40 ` Thomas Preud'homme
2014-04-29 10:47 ` Richard Biener
2014-05-04 9:51 ` Thomas Preud'homme
2014-05-05 11:29 ` Thomas Preud'homme
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