From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3F4363858D28; Tue, 24 Jan 2023 16:09:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3F4363858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674576575; bh=N8YS5O3BAIpEtpv0bpIUTcJmfZsxJLoPd/gJwAT9jW8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=L3/rQ37SSUgkijv1+Es4SOCxdYcn+mMtFkf2br8SFY8uS6SO3EhLxdmWiWvMIYRrU I5PlDJmK5YOxjbT0aVwsE06h+eOiN75EcTua3pZ3J1M4dDaopTujOO5rFhpTcQZQqf CjF1IGJp/upOQQgXCskCa0p6isveSMgCig6Z0sxI= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108498] [11/12/13 Regression] ppc64 big endian generates uninitialized reads with -fstore-merging Date: Tue, 24 Jan 2023 16:09:34 +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: 12.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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=3D108498 --- Comment #20 from Jakub Jelinek --- Created attachment 54335 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D54335&action=3Dedit gcc13-pr108498.patch Untested fix (well, checked on both testcases on x86_64-linux -m32/-m64 and on the first one for powerpc64-linux -m64).=