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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/67628] [tree-optimization] (a && b) && c shows better codegen than a && (b && c)
Date: Fri, 18 Sep 2015 14:48:00 -0000 [thread overview]
Message-ID: <bug-67628-4-BHwLXi61mR@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-67628-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67628
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-09-18
CC| |pinskia at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is due to the fold-const.c optimization which should not be there any
more. You need to do benchmarking on x86 also if you remove it.
I have not done that yet which is why I have not submitted the patch to fix
this.
next prev parent reply other threads:[~2015-09-18 14:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-18 14:32 [Bug tree-optimization/67628] New: " ktkachov at gcc dot gnu.org
2015-09-18 14:48 ` pinskia at gcc dot gnu.org [this message]
2015-09-18 15:00 ` [Bug tree-optimization/67628] " ktkachov at gcc dot gnu.org
2015-09-18 15:10 ` pinskia at gcc dot gnu.org
2015-09-21 14:23 ` ktkachov at gcc dot gnu.org
2021-06-07 7:30 ` pinskia at gcc dot gnu.org
2021-07-20 6:50 ` pinskia at gcc dot gnu.org
2023-09-03 3:29 ` pinskia at gcc dot gnu.org
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