From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23945 invoked by alias); 29 Jul 2010 15:22:24 -0000 Received: (qmail 23935 invoked by uid 22791); 29 Jul 2010 15:22:23 -0000 X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM X-Spam-Check-By: sourceware.org Received: from mail-ey0-f175.google.com (HELO mail-ey0-f175.google.com) (209.85.215.175) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 29 Jul 2010 15:22:18 +0000 Received: by eyf5 with SMTP id 5so202421eyf.20 for ; Thu, 29 Jul 2010 08:22:15 -0700 (PDT) MIME-Version: 1.0 Received: by 10.213.28.194 with SMTP id n2mr7345968ebc.10.1280416935671; Thu, 29 Jul 2010 08:22:15 -0700 (PDT) Received: by 10.220.182.135 with HTTP; Thu, 29 Jul 2010 08:22:15 -0700 (PDT) In-Reply-To: References: <20100525235926.GA3326@kam.mff.cuni.cz> <20100527075632.GA12991@kam.mff.cuni.cz> <20100528085052.GA3423@kam.mff.cuni.cz> <20100529152243.GA18706@kam.mff.cuni.cz> <20100529191446.GA3996@kam.mff.cuni.cz> <20100604105451.GB5105@kam.mff.cuni.cz> Date: Thu, 29 Jul 2010 15:27:00 -0000 Message-ID: Subject: Re: IVOPT improvement patch From: "H.J. Lu" To: Xinliang David Li Cc: Pat Haugen , GCC Patches , Zdenek Dvorak Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2010-07/txt/msg02268.txt.bz2 On Wed, Jul 28, 2010 at 9:32 PM, Xinliang David Li wrote: > The attached patch should fix the problem -- it reverts a small part > of the last patch that is needed for fixing sixtrack performance > regression caused by wrong iv-use costs because address offset range > is conservatively computed. I will revert the change first and > investigate better fix (Suggestions are welcome). > Since "gcc -m32" works on Linux/x86-64 and goes into an infinite loop, it sounds like a HOST_WIDE_INT issue. -- H.J.