From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 106077 invoked by alias); 1 Jun 2015 15:21:43 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 105997 invoked by uid 55); 1 Jun 2015 15:21:38 -0000 From: "mwahab at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/65697] __atomic memory barriers not strong enough for __sync builtins Date: Mon, 01 Jun 2015 15:21:00 -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: 5.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mwahab at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: mwahab at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-06/txt/msg00065.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65697 --- Comment #59 from mwahab at gcc dot gnu.org --- Author: mwahab Date: Mon Jun 1 15:21:02 2015 New Revision: 223984 URL: https://gcc.gnu.org/viewcvs?rev=223984&root=gcc&view=rev Log: PR target/65697 * config/aarch64/aarch64.c (aarch64_split_compare_and_swap): Check for __sync memory models, emit initial loads and final barriers as appropriate. Modified: trunk/gcc/ChangeLog trunk/gcc/config/aarch64/aarch64.c