From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17622 invoked by alias); 25 Nov 2007 13:36:26 -0000 Received: (qmail 17600 invoked by uid 48); 25 Nov 2007 13:36:20 -0000 Date: Sun, 25 Nov 2007 13:36:00 -0000 Message-ID: <20071125133620.17599.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/34223] missed optimization - complete unrolling pass before the vectorizer In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "steven 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: 2007-11/txt/msg02388.txt.bz2 ------- Comment #2 from steven at gcc dot gnu dot org 2007-11-25 13:36 ------- Why is this a shift not supported: not vectorized: relevant stmt not supported: D.1652_13 = j_29 << 3 Is j_29*8 supported (i.e. if you hack this expression to turn it into a MULT_EXPR), does the vectorizer work then?? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34223