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From: "rearnsha at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/106187] armhf: Miscompilation at O2 level (O0 / O1 are working)
Date: Wed, 27 Jul 2022 13:35:50 +0000	[thread overview]
Message-ID: <bug-106187-4-hHmuRSBpHi@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106187-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106187

--- Comment #47 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Created attachment 53361
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53361&action=edit
Possible patch

A slightly more thorough attempt to avoid the problem by detecting when the
alias sets are known to conflict.  We track through the list of same values
that CSELIB has recorded to find one that writes the same location (because the
addresses are considered equal).

  parent reply	other threads:[~2022-07-27 13:35 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-04 16:23 [Bug c++/106187] New: armhf: Miscompilation with -O2 mathieu.malaterre at gmail dot com
2022-07-04 16:37 ` [Bug c++/106187] " mathieu.malaterre at gmail dot com
2022-07-04 16:37 ` mathieu.malaterre at gmail dot com
2022-07-04 16:42 ` [Bug c++/106187] armhf: Miscompilation at all optimization levels mathieu.malaterre at gmail dot com
2022-07-04 20:19 ` pinskia at gcc dot gnu.org
2022-07-04 20:22 ` pinskia at gcc dot gnu.org
2022-07-05  7:18 ` [Bug target/106187] " mathieu.malaterre at gmail dot com
2022-07-05  7:46 ` [Bug target/106187] armhf: Miscompilation at O2 level (O0 / O1 are working) jan.wassenberg at gmail dot com
2022-07-05  8:00 ` mathieu.malaterre at gmail dot com
2022-07-07  7:50 ` mathieu.malaterre at gmail dot com
2022-07-07  8:00 ` mathieu.malaterre at gmail dot com
2022-07-07  9:38 ` rearnsha at gcc dot gnu.org
2022-07-08  9:01 ` mathieu.malaterre at gmail dot com
2022-07-08  9:01 ` mathieu.malaterre at gmail dot com
2022-07-08  9:03 ` mathieu.malaterre at gmail dot com
2022-07-08 13:50 ` rearnsha at gcc dot gnu.org
2022-07-08 13:59 ` malat at debian dot org
2022-07-08 14:16 ` rearnsha at gcc dot gnu.org
2022-07-08 14:18 ` malat at debian dot org
2022-07-08 14:51 ` rearnsha at gcc dot gnu.org
2022-07-08 15:03 ` malat at debian dot org
2022-07-08 17:24 ` rearnsha at gcc dot gnu.org
2022-07-08 17:31 ` rearnsha at gcc dot gnu.org
2022-07-08 19:27 ` jan.wassenberg at gmail dot com
2022-07-14 13:03 ` rearnsha at gcc dot gnu.org
2022-07-14 13:18 ` rearnsha at gcc dot gnu.org
2022-07-14 16:09 ` pinskia at gcc dot gnu.org
2022-07-18 15:45 ` rearnsha at gcc dot gnu.org
2022-07-18 15:48 ` rearnsha at gcc dot gnu.org
2022-07-19  7:27 ` rguenth at gcc dot gnu.org
2022-07-19  9:00 ` rearnsha at gcc dot gnu.org
2022-07-19  9:13 ` rguenth at gcc dot gnu.org
2022-07-21  9:25 ` rearnsha at gcc dot gnu.org
2022-07-22 12:52 ` rearnsha at gcc dot gnu.org
2022-07-22 13:24 ` rearnsha at gcc dot gnu.org
2022-07-25  6:12 ` rguenth at gcc dot gnu.org
2022-07-25  9:44 ` rearnsha at gcc dot gnu.org
2022-07-25  9:50 ` rguenther at suse dot de
2022-07-25  9:59 ` rearnsha at gcc dot gnu.org
2022-07-25 10:24 ` rguenth at gcc dot gnu.org
2022-07-25 10:26 ` [Bug rtl-optimization/106187] " rguenth at gcc dot gnu.org
2022-07-25 10:33 ` rearnsha at gcc dot gnu.org
2022-07-25 10:42 ` rguenth at gcc dot gnu.org
2022-07-25 10:48 ` rearnsha at gcc dot gnu.org
2022-07-25 11:03 ` rguenther at suse dot de
2022-07-25 11:05 ` rguenth at gcc dot gnu.org
2022-07-25 13:04 ` rearnsha at gcc dot gnu.org
2022-07-25 14:45 ` rguenther at suse dot de
2022-07-27 13:35 ` rearnsha at gcc dot gnu.org [this message]
2022-07-28 16:51 ` rearnsha at gcc dot gnu.org
2022-08-03  9:07 ` cvs-commit at gcc dot gnu.org
2022-08-03  9:16 ` rearnsha at gcc dot gnu.org
2022-08-10  7:06 ` malat at debian dot org
2022-08-10  7:11 ` pinskia at gcc dot gnu.org
2022-09-02  9:28 ` malat at debian dot org
2022-09-02 12:30 ` cvs-commit at gcc dot gnu.org
2022-09-02 12:32 ` rearnsha at gcc dot gnu.org
2022-09-02 14:07 ` cvs-commit at gcc dot gnu.org
2022-09-27 15:28 ` malat at debian dot org
2022-09-27 15:54 ` rearnsha at gcc dot gnu.org
2024-01-20 17:20 ` pinskia at gcc dot gnu.org

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