From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11740 invoked by alias); 22 Feb 2013 15:14:17 -0000 Received: (qmail 10956 invoked by uid 48); 22 Feb 2013 15:13:39 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/55309] gcc's address-sanitizer 66% slower than clang's Date: Fri, 22 Feb 2013 15:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: 2013-02/txt/msg02241.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309 --- Comment #54 from Jakub Jelinek 2013-02-22 15:13:34 UTC --- gcc instruments many of the builtins inline, on the assumption that the builtins are often expanded inline and thus the interceptor might not be called at all. Either it isn't, or is and the gcc instrumentation is done in addition to the interceptor's instrumentation.