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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/98908] [11 Regression] arithmetic involving struct members into operating on the entire struct fails at -O3
Date: Fri, 03 Sep 2021 01:31:33 +0000 [thread overview]
Message-ID: <bug-98908-4-SPTzOstK14@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-98908-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98908
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Failure to optimize |[11 Regression] arithmetic
|arithmetic involving struct |involving struct members
|members into operating on |into operating on the
|the entire struct |entire struct fails at -O3
Target Milestone|9.0 |11.3
Status|RESOLVED |NEW
Resolution|FIXED |---
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Gabriel Ravier from comment #9)
> PS: I had missed at the time that the bug wasn't present in GCC 10/9/8
> though, so perhaps it should be considered as having been a GCC 11
> regression that got fixed in trunk ?
Oh -O2 is correct but -O3 is not. I just assumed -O2 because you never said
what option you used. It is fixed again on the trunk. So this is still a
regression in GCC 11 series.
next prev parent reply other threads:[~2021-09-03 1:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-01 8:10 [Bug tree-optimization/98908] New: Failure to optimize arithmetic involving struct members into operating on the entire struct gabravier at gmail dot com
2021-02-02 7:58 ` [Bug tree-optimization/98908] " rguenth at gcc dot gnu.org
2021-09-03 0:15 ` gabravier at gmail dot com
2021-09-03 0:27 ` pinskia at gcc dot gnu.org
2021-09-03 0:28 ` pinskia at gcc dot gnu.org
2021-09-03 0:31 ` gabravier at gmail dot com
2021-09-03 0:41 ` gabravier at gmail dot com
2021-09-03 0:59 ` pinskia at gcc dot gnu.org
2021-09-03 1:09 ` gabravier at gmail dot com
2021-09-03 1:11 ` gabravier at gmail dot com
2021-09-03 1:31 ` pinskia at gcc dot gnu.org [this message]
2021-09-03 1:38 ` [Bug tree-optimization/98908] [11 Regression] arithmetic involving struct members into operating on the entire struct fails at -O3 pinskia at gcc dot gnu.org
2022-04-21 7:48 ` rguenth at gcc dot gnu.org
2023-05-29 10:04 ` jakub at gcc dot gnu.org
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