From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28264 invoked by alias); 16 Dec 2002 23:08:15 -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 28255 invoked from network); 16 Dec 2002 23:08:14 -0000 Received: from unknown (HELO mx2.redhat.com) (12.150.115.133) by 209.249.29.67 with SMTP; 16 Dec 2002 23:08:14 -0000 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.11.6/8.11.6) with ESMTP id gBGN3NN28617; Mon, 16 Dec 2002 18:03:24 -0500 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 gBGN7EN28589; Mon, 16 Dec 2002 18:07:14 -0500 Received: from localhost.localdomain (frothingslosh.sfbay.redhat.com [172.16.24.27]) by potter.sfbay.redhat.com (8.11.6/8.11.6) with ESMTP id gBGN7Dg24947; Mon, 16 Dec 2002 15:07:13 -0800 Received: (from rth@localhost) by localhost.localdomain (8.11.6/8.11.6) id gBGN7Du01115; Mon, 16 Dec 2002 15:07:13 -0800 X-Authentication-Warning: localhost.localdomain: rth set sender to rth@redhat.com using -f Date: Mon, 16 Dec 2002 15:29:00 -0000 From: Richard Henderson To: Toon Moene Cc: gcc@gcc.gnu.org Subject: Re: possible gcse failure: not able to eliminate redundant loads Message-ID: <20021216230713.GB1100@redhat.com> Mail-Followup-To: Richard Henderson , Toon Moene , gcc@gcc.gnu.org References: <20021213093054.GA29293@redhat.com> <3DFA4252.3060309@moene.indiv.nluug.nl> <20021216180441.C3953@redhat.com> <3DFE3FC1.9020802@moene.indiv.nluug.nl> <20021216211245.F4851@redhat.com> <3DFE5562.6030608@moene.indiv.nluug.nl> <3DFE57E1.7020909@moene.indiv.nluug.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DFE57E1.7020909@moene.indiv.nluug.nl> User-Agent: Mutt/1.4i X-SW-Source: 2002-12/txt/msg00962.txt.bz2 On Mon, Dec 16, 2002 at 11:46:57PM +0100, Toon Moene wrote: > Yes, that's impossible to express in Fortran (90/95/F2K), hence we don't > have to worry about it. > > [ The way to do this in Fortran is to write: > > IF (ASSOCIATED(P)) THEN > .... USE P > ELSE > .... BETTER KEEP YOUR PAWS OFF .... > ENDIF Um, isn't this still exactly what I talked about? The use of P is protected by a conditional. r~