From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 335FA3858C5E; Tue, 11 Jul 2023 06:33:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 335FA3858C5E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689057211; bh=kNnJ0xoMNnsg3f6JARyGEokG8a16cyGofUmCOnnLGPA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=lfMp+h7almh4bQWBYiGtan4JEDojp288Z3ZCEDblcyVCsbiSSIb6vnrshkEkGp/tF /t0DuWSjGB1k8e7RblNunxaGXrNDdC8LjerzILH0FljN3HVaOuMy2f1u9DBpus8Prg Acg5h2fGfD0SgY8SDrsdGnVv+mqJs2P9rxW6kaRE= From: "malat at debian dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/110622] x86: Miscompilation at O1 level (O0 is working) Date: Tue, 11 Jul 2023 06:33:31 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 13.1.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: malat at debian dot org X-Bugzilla-Status: UNCONFIRMED 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: 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=3D110622 --- Comment #4 from Mathieu Malaterre --- Here is my current state of work: * https://github.com/malaterre/highway/commit/771ca57d2d29b48f91beae033f6854f= 9b2dfb730 I am open to suggestion to further reduce the test case, as I am not famili= ar with those sort of symptoms and how to drive c-reduce in this case. Thanks all=