From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22053 invoked by alias); 14 Aug 2005 11:10:11 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 21976 invoked by uid 22791); 14 Aug 2005 11:10:00 -0000 Received: from postfix3-2.free.fr (HELO postfix3-2.free.fr) (213.228.0.169) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Sun, 14 Aug 2005 11:10:00 +0000 Received: from napoca.cri.ensmp.fr (lns-vlq-41-str-82-252-43-59.adsl.proxad.net [82.252.43.59]) by postfix3-2.free.fr (Postfix) with ESMTP id 9E12AC0AA; Sun, 14 Aug 2005 13:09:57 +0200 (CEST) Received: from napoca.cri.ensmp.fr (localhost [127.0.0.1]) by napoca.cri.ensmp.fr (8.13.3/8.13.3/SuSE Linux 0.7) with ESMTP id j7EBEp1X002767; Sun, 14 Aug 2005 13:14:51 +0200 Received: (from seb@localhost) by napoca.cri.ensmp.fr (8.13.3/8.13.3/Submit) id j7EBEpx2002764; Sun, 14 Aug 2005 13:14:51 +0200 Date: Sun, 14 Aug 2005 11:10:00 -0000 From: Sebastian Pop To: Daniel Berlin Cc: Joe Buck , Dan Kegel , GCC Mailing List Subject: Re: [GCC 4.2 Project] Omega data dependence test Message-ID: <20050814111450.GA2677@napoca.Belkin> References: <42F77CFF.6040606@kegel.com> <20050808183531.GA324@napoca.cri.ensmp.fr> <20050808224649.GA11610@synopsys.com> <20050809145928.GA4156@napoca.cri.ensmp.fr> <20050809162344.GB11610@synopsys.com> <20050813231208.GA7617@napoca.Belkin> <1123983369.21455.3.camel@linux.site> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1123983369.21455.3.camel@linux.site> User-Agent: Mutt/1.5.6i X-SW-Source: 2005-08/txt/msg00410.txt.bz2 Daniel Berlin wrote: > > Sebastian, I really think you are worrying too much. right. > It's pretty rare that it will take going all the way to omega to be able > to disambiguate two dependences. > for dependence tests we exercise only a limited part of omega, but now suppose that we'll use omega for other purposes, for example cache miss equations, scheduling, regalloc, etc. One of these users will sooner or later end by triggering the exponential bullet.