From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 122240 invoked by alias); 8 Apr 2015 07:20:42 -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 122109 invoked by uid 55); 8 Apr 2015 07:20:29 -0000 From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/29256] [4.8/4.9/5 regression] loop performance regression Date: Wed, 08 Apr 2015 07:20:00 -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: 4.2.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.5 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/msg00492.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 --- Comment #50 from rguenther at suse dot de --- On Tue, 7 Apr 2015, law at redhat dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256 > > --- Comment #49 from Jeffrey A. Law --- > Richi, see c#45. Basically the regression is "gone" for the testcase as-is... > But it's pretty easy to twiddle it slightly and show the regression. It's also > important to note this is e500 code, so you need to configure your toolchain > appropriately. Please provide a testcase that shows the regression then and instructions how to configure a cross cc1.