From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 6DFDD3858C66; Wed, 19 Jul 2023 08:37:07 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6DFDD3858C66
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1689755827;
	bh=Aqf4ZZ/TPFBv6XNU1VYXnHLe046owj8RpD/vzgbAF6E=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=fOvzFCC7xDfGxXnNmjoCr0+6GruUWTW/iXw+fEA+JIiJHXVnQ0PfV4IPLcZlEcaUr
	 QoYStT/tS6RnU+fC8eGM33Bg+pnFkyUYvgwR8NNs1be8FZsUsjppHtL4nODkKzSdy1
	 rvdlvyEwv80ZIwKpXc4yxjgv+KxX80f3L02pEwGI=
From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/110711] possible missed optimization for std::max
 with -march=znver2
Date: Wed, 19 Jul 2023 08:37:07 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 13.1.0
X-Bugzilla-Keywords: missed-optimization, openmp
X-Bugzilla-Severity: normal
X-Bugzilla-Who: crazylht at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-110711-4-sPX3WeXNmk@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110711-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110711-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110711

--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #5)
> Looks like it's GCC13 regression, GCC12.3 successfully vectorizes k_std_m=
ax

https://godbolt.org/z/6111MP354=