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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/30318] VRP does not create ANTI_RANGEs on overflow
Date: Mon, 07 May 2012 08:54:00 -0000 [thread overview]
Message-ID: <bug-30318-4-iL217gWztb@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-30318-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30318
--- Comment #13 from rguenther at suse dot de <rguenther at suse dot de> 2012-05-07 08:51:06 UTC ---
On Fri, 4 May 2012, glisse at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30318
>
> --- Comment #8 from glisse at gcc dot gnu.org 2012-05-04 21:45:49 UTC ---
> Created attachment 27311
> --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27311
> Wrap plus/minus
>
> This patch handles combinations of range/anti_range for PLUS_EXPR and
> MINUS_EXPR. I'll try to do MULT_EXPR later so that for -10<i<10 and -10<j<10 we
> get the same range for (unsigned)(i*j) and (unsigned)i*(unsigned)j.
Btw, now that I have committed the TYPE_IS_SIZETYPE changes I have
some pending VRP patches that I like to push (I'm not sure if they
covert this, I have to revisit them first).
next prev parent reply other threads:[~2012-05-07 8:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-30318-4@http.gcc.gnu.org/bugzilla/>
2011-12-22 3:25 ` pinskia at gcc dot gnu.org
2011-12-22 3:26 ` DMueller at suse dot com
2012-04-28 13:18 ` marc.glisse at normalesup dot org
2012-05-02 8:23 ` rguenther at suse dot de
2012-05-02 14:34 ` marc.glisse at normalesup dot org
2012-05-04 21:47 ` glisse at gcc dot gnu.org
2012-05-05 13:28 ` glisse at gcc dot gnu.org
2012-05-05 13:29 ` paolo.carlini at oracle dot com
2012-05-05 13:44 ` glisse at gcc dot gnu.org
2012-05-05 14:38 ` glisse at gcc dot gnu.org
2012-05-07 8:54 ` rguenther at suse dot de [this message]
2012-05-07 9:36 ` paolo.carlini at oracle dot com
2012-05-07 13:56 ` rguenth at gcc dot gnu.org
2012-05-07 14:47 ` glisse at gcc dot gnu.org
2012-06-20 12:01 ` rguenth at gcc dot gnu.org
2012-06-20 12:06 ` rguenth at gcc dot gnu.org
2012-06-20 19:13 ` glisse at gcc dot gnu.org
2012-07-25 18:27 ` glisse at gcc dot gnu.org
2012-07-29 14:45 ` glisse at gcc dot gnu.org
2012-08-03 12:22 ` glisse at gcc dot gnu.org
2012-08-03 12:36 ` glisse at gcc dot gnu.org
2012-08-03 12:53 ` rguenth at gcc dot gnu.org
2006-12-28 13:28 [Bug tree-optimization/30318] New: VRP does not create ANIT_RANGEs " rguenth at gcc dot gnu dot org
2006-12-28 19:35 ` [Bug tree-optimization/30318] VRP does not create ANTI_RANGEs " rguenth at gcc dot gnu dot org
2006-12-28 20:33 ` rguenth at gcc dot gnu dot org
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