From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10938 invoked by alias); 9 Jul 2014 07:17:34 -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 10719 invoked by uid 48); 9 Jul 2014 07:17:26 -0000 From: "Joost.VandeVondele at mat dot ethz.ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/55561] TSAN: provide a TSAN instrumented libgomp Date: Wed, 09 Jul 2014 07:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: Joost.VandeVondele at mat dot ethz.ch X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned 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: 2014-07/txt/msg00518.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55561 --- Comment #52 from Joost VandeVondele --- (In reply to Jakub Jelinek from comment #51) > Your assumption is wrong, reductions are not handled in libgomp, but in the > code emitted by the compiler. does this imply that the combination of -fsanitize=thread and a libgomp as obtained with --disable-linux-futex is indeed a 'proper' solution for this PR, or do you think that building two libraries such as suggested in comment #42 would be best ?