From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10745 invoked by alias); 19 Aug 2008 15:31:25 -0000 Received: (qmail 8812 invoked by uid 48); 19 Aug 2008 15:29:59 -0000 Date: Tue, 19 Aug 2008 15:31:00 -0000 Message-ID: <20080819152959.8811.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/37021] Fortran Complex reduction / multiplication not vectorized In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2008-08/txt/msg01386.txt.bz2 ------- Comment #2 from rguenth at gcc dot gnu dot org 2008-08-19 15:29 ------- 3) is because data-ref requires a constant step else if (!simple_iv (loop, stmt, poffset, &offset_iv, false)) { if (dump_file && (dump_flags & TDF_DETAILS)) fprintf (dump_file, "failed: evolution of offset is not affine.\n"); return; but the step is () (() stride.3_36 * 16) as we are dealing with general incoming arrays which are arbitrary striped. Fixing this requires for example versioning for a constant stride. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37021