From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26038 invoked by alias); 4 Oct 2011 09:19:45 -0000 Received: (qmail 26028 invoked by uid 22791); 4 Oct 2011 09:19:45 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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, 04 Oct 2011 09:19:29 +0000 From: "hubicka at ucw dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug gcov-profile/45890] Coverage may be weakened by r164986 Date: Tue, 04 Oct 2011 09:19:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: gcov-profile X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at ucw dot cz 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: 2011-10/txt/msg00157.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45890 --- Comment #4 from Jan Hubicka 2011-10-04 09:18:56 UTC --- > > gcc --coverage -O2 -fno-early-inlining foo.c > > ./a.out > > gcov -b foo.c > > > > Adding the following patch mitigates the issue. > > That's surely not the way to go. Why do you want precise coverage > with -O2? I guess for performance reasons. I would vote for adding coverage pass just after into-SSA. Honza