From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 52FA03858414; Tue, 21 Sep 2021 23:47:55 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 52FA03858414
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/102107] protocol register (r12) corrupted before a tail
 call
Date: Tue, 21 Sep 2021 23:47:55 +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: 11.2.1
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: segher at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-102107-4-ATPcU9eSil@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-102107-4@http.gcc.gnu.org/bugzilla/>
References: <bug-102107-4@http.gcc.gnu.org/bugzilla/>
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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Tue, 21 Sep 2021 23:47:55 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102107

--- Comment #21 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Segher Boessenkool
<segher@gcc.gnu.org>:

https://gcc.gnu.org/g:14b7e8ace8236bd341a182dc3ef044fe98de5525

commit r10-10144-g14b7e8ace8236bd341a182dc3ef044fe98de5525
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date:   Wed Sep 8 13:10:30 2021 +0000

    rs6000: Fix ELFv2 r12 use in epilogue

    We cannot use r12 here, it is already in use as the GEP (for sibling
    calls).

    2021-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
            PR target/102107
            * config/rs6000/rs6000-logue.c (rs6000_emit_epilogue): For ELFv2
use
            r11 instead of r12 for restoring CR.

    (cherry picked from commit 86e6268cff328e27ee6f90e2afc35b6f437a25cd)=