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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/54647] [4.8 Regression] Segmentation fault in get_expr_value_id with -O2
Date: Fri, 21 Sep 2012 09:46:00 -0000	[thread overview]
Message-ID: <bug-54647-4-XfzZu91KDf@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-54647-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54647

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-21 09:45:27 UTC ---
Hm.  We are now facing COND_EXPRs in VN / PRE.  But COND_EXPRs have an
embedded tree expression for the condition which we have no way of
(easily) generating.

Let me try to fix this without simply giving up on optimizing those
COND_EXPRs.


  parent reply	other threads:[~2012-09-21  9:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-20 22:13 [Bug c++/54647] New: " dcb314 at hotmail dot com
2012-09-20 23:40 ` [Bug c++/54647] " markus at trippelsdorf dot de
2012-09-20 23:56 ` paolo.carlini at oracle dot com
2012-09-20 23:56 ` paolo.carlini at oracle dot com
2012-09-21  8:55 ` [Bug tree-optimization/54647] [4.8 Regression] " rguenth at gcc dot gnu.org
2012-09-21  9:46 ` rguenth at gcc dot gnu.org [this message]
2012-09-21 12:44 ` rguenth at gcc dot gnu.org
2012-09-21 12:46 ` rguenth at gcc dot gnu.org

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