From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A95143858D32; Thu, 2 Nov 2023 12:51:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A95143858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1698929492; bh=mPngoGJGh95BugpHtY/ilGAcxT8GS5qscsHP3iQv5dA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=EQUw6+PcVbV8HCbQm1nrFnPN9ElM60vjmARazOWuBruCZgp0FDPPvZ/v0jKyA1Pzd DyjuAYIHD5e+CJDAX1lXlNXxDwS5Al7Lfs4xRKIU4ibQgtRBm00cJSe5gLPpAxK8Q6 vqFmXw/68M7a7ucH3/K98lJLIEZu5JtccZuzA1CI= From: "xry111 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/112329] Faulty arithmetic comparison in O2, O3 of s390x-gcc with -march=z13 Date: Thu, 02 Nov 2023 12:51:31 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 11.4.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: xry111 at gcc dot gnu.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: cc short_desc 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=3D112329 Xi Ruoyao changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xry111 at gcc dot gnu.org Summary|Faulty arithmetic |Faulty arithmetic |comparison in O2, O3 of |comparison in O2, O3 of |s390x-gcc |s390x-gcc with -march=3Dz13 --- Comment #1 from Xi Ruoyao --- Ubuntu is configuring their s390x GCC --with-arch=3Dz13 and it seems -march= =3Dz13 is needed for reproduce the issue with vanilla GCC.=