From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 129196 invoked by alias); 26 Oct 2015 11:51:13 -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 129130 invoked by uid 48); 26 Oct 2015 11:51:09 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/65962] Missed vectorization of strided stores Date: Mon, 26 Oct 2015 11:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end 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: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth 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: 2015-10/txt/msg02116.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962 --- Comment #7 from Richard Biener --- (In reply to Bill Schmidt from comment #6) > This commit (r229172) caused a vectorization failure for POWER: > > FAIL: gcc.dg/vect/vect-62.c -flto -ffat-lto-objects scan-tree-dump-times > vect "vectorized 1 loops" 1 > FAIL: gcc.dg/vect/vect-62.c scan-tree-dump-times vect "vectorized 1 loops" 1 > > Seems like an odd result, but that's what the bisection shows... Huh. Can you please attach vectorizer dumps before/after?