From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9EE18385DC06; Wed, 27 Mar 2024 11:51:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9EE18385DC06 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711540289; bh=/X6aDc5D4u/WDsNi82Be7v6leq6wZ25tj6HiV62tnNQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=vcjNsbyRdeSCxn7M4iKV5jUXMh6uC8AJfmWh9FCSDTGD2EvReLW+en/EdKD5UURZk DEvCGAfHn/vxxzLEWxcD8jWzn5JNSnWkiZolgu/mwgfHaGj4TZj5kLM+/Zoc4VZNlG qCDgog8b6b8RThV26uZhkJTy3azTp+IfSZcMEySs= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/114057] [14 Regression] 435.gromacs fails verification with -Ofast -march={znver2,znver4} and PGO after r14-7272-g57f611604e8bab Date: Wed, 27 Mar 2024 11:51:29 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114057 --- Comment #14 from Richard Biener --- I wasn't able to reproduce the miscompare on a Zen4 machine (but with -march=3Dznver2). But the original vectorizataion of bondfree.c should be restored and thus the miscompare gone. I'll verify tomorrow when I'm back at the machine I was able to reproduce the issue.=