From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 111102 invoked by alias); 4 Apr 2015 10:47:47 -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 110603 invoked by uid 55); 4 Apr 2015 10:47:42 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/65660] [5 Regression] 252.eon regression on bdver2 with -Ofast Date: Sat, 04 Apr 2015 10:47:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: 5.0 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: 2015-04/txt/msg00271.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65660 --- Comment #9 from Richard Biener --- Author: rguenth Date: Sat Apr 4 10:47:08 2015 New Revision: 221866 URL: https://gcc.gnu.org/viewcvs?rev=221866&root=gcc&view=rev Log: 2015-04-04 Richard Biener PR tree-optimization/64909 PR tree-optimization/65660 * tree-vectorizer.h (vect_get_known_peeling_cost): Adjust to take a cost vector for scalar iteration cost. (vect_get_single_scalar_iteration_cost): Likewise. * tree-vect-loop.c (vect_get_single_scalar_iteration_cost): Compute the scalar iteration cost into a cost vector. (vect_get_known_peeling_cost): Use the scalar cost vector to account for the cost of the peeled iterations. (vect_estimate_min_profitable_iters): Likewise. * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-vect-data-refs.c trunk/gcc/tree-vect-loop.c trunk/gcc/tree-vectorizer.h