From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7652F385C310; Wed, 13 Dec 2023 08:02:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7652F385C310 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1702454555; bh=obS9b/E+0lh8fT8VuWa1k5wspT/Z23SrCBLBejgOl/c=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RuKWwGx8pClkeUYKKRfqOUId19sJGbaO31dScQmeYyOOleLUCp6uUtGZkJfq2ZlUJ NUWie0JJRJ+Y13dwskhdTuITJdZHMUJDNTR2o3Id4PQiOs2AycqLL9mQ+7kN2QqN37 258Y5/zoQLj1eHQBIaL9RG25lxc2BRbppZ4zV0Eg= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/111591] ppc64be: miscompilation with -mstrict-align / -O3 Date: Wed, 13 Dec 2023 08:02:34 +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: 13.2.0 X-Bugzilla-Keywords: needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created 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=3D111591 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #56175|0 |1 is obsolete| | --- Comment #34 from Richard Biener --- Created attachment 56867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56867&action=3Dedit patch adjusting TBAA info after stack slot sharing (unneeded) This is the fully fleshed out patch adjusting TBAA info which in hindsight shouldn't be necessary. As side-effect the alias-set zero could of course avoid the miscompile of the reduced testcase, but not by design.=