Return-Path: Delivered-To: apmail-harmony-commits-archive@www.apache.org Received: (qmail 96046 invoked from network); 6 Mar 2008 11:20:14 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 6 Mar 2008 11:20:14 -0000 Received: (qmail 10097 invoked by uid 500); 6 Mar 2008 11:20:10 -0000 Delivered-To: apmail-harmony-commits-archive@harmony.apache.org Received: (qmail 10005 invoked by uid 500); 6 Mar 2008 11:20:10 -0000 Mailing-List: contact commits-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list commits@harmony.apache.org Received: (qmail 9996 invoked by uid 99); 6 Mar 2008 11:20:10 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Mar 2008 03:20:10 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Mar 2008 11:19:31 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 19259234C08C for ; Thu, 6 Mar 2008 03:18:58 -0800 (PST) Message-ID: <1536300856.1204802338101.JavaMail.jira@brutus> Date: Thu, 6 Mar 2008 03:18:58 -0800 (PST) From: "Dmitry Pronichkin (JIRA)" To: commits@harmony.apache.org Subject: [jira] Updated: (HARMONY-5580) [drlvm][jitrino][opt][perf] branch translator enhancement In-Reply-To: <281647725.1204802338079.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HARMONY-5580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dmitry Pronichkin updated HARMONY-5580: --------------------------------------- Attachment: btr.patch > [drlvm][jitrino][opt][perf] branch translator enhancement > --------------------------------------------------------- > > Key: HARMONY-5580 > URL: https://issues.apache.org/jira/browse/HARMONY-5580 > Project: Harmony > Issue Type: Improvement > Components: DRLVM > Environment: IA32 > Reporter: Dmitry Pronichkin > Attachments: btr.patch > > > The patch introduces new way of branch elimination. It eliminates branches like this: > if (x<0) { > x+=y; > } > transforming them in following assembly: > mov tmp, x > sar tmp, 31 (spreading sign for the whole value) > and tmp, y (moving "y" in tmp if x<0) > add x, tmp -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.