From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8286 invoked by alias); 30 Sep 2004 08:42:18 -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 8272 invoked from network); 30 Sep 2004 08:42:16 -0000 Received: from unknown (HELO mx2.redhat.com) (66.187.237.31) by sourceware.org with SMTP; 30 Sep 2004 08:42:16 -0000 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.12.11/8.12.10) with ESMTP id i8U8eqSU004133; Thu, 30 Sep 2004 04:40:52 -0400 Received: from potter.sfbay.redhat.com (potter.sfbay.redhat.com [172.16.27.15]) by int-mx2.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i8U8gF721369; Thu, 30 Sep 2004 04:42:15 -0400 Received: from frothingslosh.sfbay.redhat.com (frothingslosh.sfbay.redhat.com [172.16.24.27]) by potter.sfbay.redhat.com (8.11.6/8.11.6) with ESMTP id i8U8gFV31610; Thu, 30 Sep 2004 01:42:15 -0700 Received: from frothingslosh.sfbay.redhat.com (localhost.localdomain [127.0.0.1]) by frothingslosh.sfbay.redhat.com (8.12.10/8.12.10) with ESMTP id i8U8gEQH006706; Thu, 30 Sep 2004 01:42:14 -0700 Received: (from rth@localhost) by frothingslosh.sfbay.redhat.com (8.12.10/8.12.10/Submit) id i8U8gETQ006704; Thu, 30 Sep 2004 01:42:14 -0700 X-Authentication-Warning: frothingslosh.sfbay.redhat.com: rth set sender to rth@redhat.com using -f Date: Thu, 30 Sep 2004 11:26:00 -0000 From: Richard Henderson To: Mostafa Hagog Cc: Canqun Yang , gcc@gcc.gnu.org Subject: Re: SMS scheduling Message-ID: <20040930084214.GA6698@redhat.com> Mail-Followup-To: Richard Henderson , Mostafa Hagog , Canqun Yang , gcc@gcc.gnu.org References: <20040930075728.GA6528@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-SW-Source: 2004-09/txt/msg01654.txt.bz2 On Thu, Sep 30, 2004 at 10:03:37AM +0200, Mostafa Hagog wrote: > For 4.0 SMS intra-loop memory dependencies are detected using > the alias.c (as in haifa-sched) for inter-loop memory dependencies > we are very conservative and assume that all memory accesses are > aliased. alias.c is flow insensative, and thus as conservative as you could want. Why aren't you using it all the time? r~