From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 014183858C3A; Tue, 25 Jul 2023 10:02:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 014183858C3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690279358; bh=HREEm1LBdF64pJqB3hQGoMie9B9qQJVjHF4rN5bMZnk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=un2bPzdFEPGXd10RH90Px0iAkEQOIt/ulEe4Xbypf3csuWMZ8r/shIMo3PjvQwwRF n29Fs025kQq7depndmR0eRdO8Rgbebf0Lmf99RFxy0jejcaVwdPZ/Z3+br7hQrZeuI 8qC/Z6EFpMYT+eHn3+g1xQVkE9Pu+ONSo0rCzIy8= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/110799] [tsan] False positive due to -fhoist-adjacent-loads Date: Tue, 25 Jul 2023 10:02:36 +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: 13.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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: cc Message-ID: In-Reply-To: References: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110799 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org --- Comment #1 from Richard Biener --- We consider introducing load data races OK, what's the difference here? Th= ere are other passes that would do similar things but in practice the loads wou= ld be considered to possibly trap so the real-world impact might be limited?=