From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 113226 invoked by alias); 16 Jul 2015 07:05:01 -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 107906 invoked by uid 48); 16 Jul 2015 07:04:57 -0000 From: "andi-gcc at firstfloor dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/66890] function splitting only works with profile feedback Date: Thu, 16 Jul 2015 07:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: andi-gcc at firstfloor dot 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: 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: 2015-07/txt/msg01289.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66890 --- Comment #3 from Andi Kleen --- I suspect the patch may be too simple because it could get stuck in unlikely, but high frequency edges in the cold area. Perhaps need to adapt more of the code of the non partitioning reordering