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 822F5385E001; Wed,  1 Apr 2020 14:23:01 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 822F5385E001
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1585750981;
 bh=j/G2U+ce/glJcoQUlmFKlhqLsLz2xJyP4OOdpoN6aM8=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=dCSCJqoWtPMhpUzHc8ahXSKTXZhx8KmzV+cjpSUnXR041uJexu3uzni8ihrhNaZpR
 5SVb92Df9xRFwHA+8g6GPTDAnqi8m0wRyS4Q11cKyWTSkE/c8oUjxAis9ICsc2WA8g
 I8YmojOq0VNA0MevTyMyFZ189fV8LqkF2O+yGSnQ=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/91834] [10 Regression ] [AArch64] LSE atomics, warnings
 due to unpredictable behavior with strx and the same register for s and t
Date: Wed, 01 Apr 2020 14:23:01 +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: 10.0
X-Bugzilla-Keywords: build
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: rth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 10.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-91834-4-hYIAzxdlSv@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-91834-4@http.gcc.gnu.org/bugzilla/>
References: <bug-91834-4@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: <http://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <http://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: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Apr 2020 14:23:01 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D91834

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Kyrylo Tkachov
<ktkachov@gcc.gnu.org>:

https://gcc.gnu.org/g:bb9156ede009cfb572ab98c64288de5b21a89c17

commit r9-8435-gbb9156ede009cfb572ab98c64288de5b21a89c17
Author: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date:   Wed Apr 1 12:11:58 2020 +0100

    aarch64: Fix store-exclusive in load-operate LSE helpers

    2020-04-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

            Backport from mainline
            2019-09-25  Richard Henderson  <richard.henderson@linaro.org>

            PR target/91834
            * config/aarch64/lse.S (LDNM): Ensure STXR output does not
            overlap the inputs.=