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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/61047] [4.9/5/6 Regression] wrong code at -O1 on x86_64-linux
Date: Wed, 10 Jun 2015 16:05:00 -0000	[thread overview]
Message-ID: <bug-61047-4-fJPWLlakma@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-61047-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61047

--- Comment #21 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I think that the patch is clear in scope, only fixes a specific case unless
> rtx_addr_can_trap_p_1() was refactored, it should be feasible to apply to
> trunk, 5.1 and 4.9.

No, the patch is way too risky and will very likely introduce more bugs than it
fixes, let alone performance regressions.  There are dozens of open PRs
reported for real-life software that need to be fixed, but this one is _not_
one of them.


  parent reply	other threads:[~2015-06-10 16:05 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-03 17:39 [Bug rtl-optimization/61047] New: " su at cs dot ucdavis.edu
2014-05-03 21:11 ` [Bug rtl-optimization/61047] " jakub at gcc dot gnu.org
2014-05-05  9:12 ` [Bug rtl-optimization/61047] [4.9/4.10 Regression] " rguenth at gcc dot gnu.org
2014-05-09 11:01 ` ebotcazou at gcc dot gnu.org
2014-06-08 14:46 ` bernd.edlinger at hotmail dot de
2014-06-08 15:03 ` bernd.edlinger at hotmail dot de
2014-06-08 15:17 ` bernd.edlinger at hotmail dot de
2014-06-11 20:02 ` bernd.edlinger at hotmail dot de
2014-07-16 13:29 ` jakub at gcc dot gnu.org
2014-10-30 10:40 ` [Bug rtl-optimization/61047] [4.9/5 " jakub at gcc dot gnu.org
2015-01-12 16:13 ` ebotcazou at gcc dot gnu.org
2015-01-13  6:54 ` bernd.edlinger at hotmail dot de
2015-01-13  8:24 ` ebotcazou at gcc dot gnu.org
2015-01-13  8:37 ` zsojka at seznam dot cz
2015-01-13  8:43 ` bernd.edlinger at hotmail dot de
2015-01-13  9:25 ` ebotcazou at gcc dot gnu.org
2015-02-12 12:59 ` jakub at gcc dot gnu.org
2015-03-11  0:31 ` jakub at gcc dot gnu.org
2015-06-10 15:46 ` [Bug rtl-optimization/61047] [4.9/5/6 " bernhard.kaindl at thalesgroup dot com
2015-06-10 16:05 ` ebotcazou at gcc dot gnu.org [this message]
2015-06-10 16:12 ` jakub at gcc dot gnu.org
2015-06-10 16:16 ` bernd.edlinger at hotmail dot de
2015-06-10 16:23 ` ebotcazou at gcc dot gnu.org
2015-06-26 20:19 ` jakub at gcc dot gnu.org
2015-06-26 20:38 ` jakub at gcc dot gnu.org
2015-07-01 16:11 ` edlinger at gcc dot gnu.org

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