From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-311889-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 19987 invoked by alias); 18 Mar 2010 18:33:04 -0000
Received: (qmail 19964 invoked by uid 22791); 18 Mar 2010 18:33:03 -0000
X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 	tests=AWL,BAYES_00,SARE_MSGID_LONG40
X-Spam-Check-By: sourceware.org
Received: from mail-yx0-f176.google.com (HELO mail-yx0-f176.google.com) (209.85.210.176)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 18 Mar 2010 18:33:00 +0000
Received: by yxe6 with SMTP id 6so47574yxe.0         for <multiple recipients>; Thu, 18 Mar 2010 11:32:59 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.150.242.40 with SMTP id p40mr4083215ybh.205.1268937179077;  	Thu, 18 Mar 2010 11:32:59 -0700 (PDT)
In-Reply-To: <20100318182225.11894.qmail@sourceware.org>
References: <bug-43423-18740@http.gcc.gnu.org/bugzilla/> <20100318182225.11894.qmail@sourceware.org>
From: Sebastian Pop <sebpop@gmail.com>
Date: Thu, 18 Mar 2010 18:33:00 -0000
Message-ID: <cb9d34b21003181132p5f2ab911se15c659b14ec91be@mail.gmail.com>
Subject: Re: [Bug tree-optimization/43423] gcc should vectorize this loop  	through "iteration range splitting"
To: gcc-bugzilla@gcc.gnu.org
Cc: gcc-bugs@gcc.gnu.org
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-IsSubscribed: yes
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2010-03/txt/msg01755.txt.bz2

> Well it could be vectorized even without range splitting. =A0The issue is=
 the
> "sinking" of the store to a[i].

You mean that the problem is the if-conversion of the stores
"a[i] =3D ..."