From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8762 invoked by alias); 22 May 2012 07:46:06 -0000 Received: (qmail 8748 invoked by uid 22791); 22 May 2012 07:46:05 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 22 May 2012 07:45:53 +0000 From: "o.mangold at googlemail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53436] Volatile behaves strange with OpenMP Date: Tue, 22 May 2012 07:59:00 -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-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: o.mangold at googlemail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-05/txt/msg02136.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53436 --- Comment #4 from o.mangold at googlemail dot com 2012-05-22 07:45:46 UTC --- (In reply to comment #3) > The testcase is not valid OpenMP, there is no flush operation in between the > store and reads, Is that also needed with volatile variables? Would be quite counterintuitive. > that said, there was a bug on the GCC side that I've fixed. Great, thanks.