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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/102543] -march=cascadelake performs odd alignment peeling
Date: Fri, 08 Oct 2021 10:07:54 +0000 [thread overview]
Message-ID: <bug-102543-4-qtKpwftiny@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-102543-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102543
--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> ---
On Fri, 8 Oct 2021, crazylht at gmail dot com wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102543
>
> --- Comment #4 from Hongtao.liu <crazylht at gmail dot com> ---
> (In reply to Hongtao.liu from comment #3)
> > (In reply to Richard Biener from comment #2)
> > > Caused by
> > >
> > > commit 001e73373e6d2e7c756141e0d7ac8e24ae1574ad
> > > Author: Sergey Shalnov <Sergey.Shalnov@intel.com>
> > > Date: Thu Feb 8 23:31:15 2018 +0100
> > >
> > > re PR target/83008 ([performance] Is it better to avoid extra
> > > instructions in data passing between loops?)
> > >
> > > PR target/83008
> > > * config/i386/x86-tune-costs.h (skylake_cost): Fix cost of
> > > storing integer register in SImode. Fix cost of 256 and 512
> > > byte aligned SSE register store.
> Revert change in skylake_cost, still pass pr83008.c, guess it's fixed by some
> other patch?
Yes, likely.
next prev parent reply other threads:[~2021-10-08 10:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 10:13 [Bug target/102543] New: " rguenth at gcc dot gnu.org
2021-09-30 10:14 ` [Bug target/102543] " rguenth at gcc dot gnu.org
2021-10-06 15:00 ` rguenth at gcc dot gnu.org
2021-10-08 9:04 ` crazylht at gmail dot com
2021-10-08 9:49 ` crazylht at gmail dot com
2021-10-08 10:07 ` rguenther at suse dot de [this message]
2021-10-08 10:43 ` rguenth at gcc dot gnu.org
2021-10-11 2:19 ` crazylht at gmail dot com
2021-10-12 12:53 ` rguenth at gcc dot gnu.org
2021-10-13 1:20 ` crazylht at gmail dot com
2021-10-13 7:25 ` rguenther at suse dot de
2021-11-19 1:23 ` cvs-commit at gcc dot gnu.org
2023-11-30 8:53 ` liuhongt at gcc dot gnu.org
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