From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10100 invoked from network); 19 Feb 2004 11:04:40 -0000 Received: from sunsite.dk (130.225.247.90) by ns1.primenet.com.au with SMTP; 19 Feb 2004 11:04:40 -0000 Received: (qmail 14234 invoked by alias); 19 Feb 2004 11:04:30 -0000 Mailing-List: contact zsh-workers-help@sunsite.dk; run by ezmlm Precedence: bulk X-No-Archive: yes X-Seq: 19450 Received: (qmail 14158 invoked from network); 19 Feb 2004 11:04:29 -0000 Received: from localhost (HELO sunsite.dk) (127.0.0.1) by localhost with SMTP; 19 Feb 2004 11:04:29 -0000 X-MessageWall-Score: 0 (sunsite.dk) Received: from [62.189.58.19] by sunsite.dk (MessageWall 1.0.8) with SMTP; 19 Feb 2004 11:4:29 -0000 Received: from MAILSWEEPER01.csr.com (mailhost1.csr.com [62.189.183.235]) by lhuumrelay3.lnd.ops.eu.uu.net (8.11.0/8.11.0) with ESMTP id i1JB4Tv14676 for ; Thu, 19 Feb 2004 11:04:29 GMT Received: from EXCHANGE02.csr.com (unverified [192.168.137.45]) by MAILSWEEPER01.csr.com (Content Technologies SMTPRS 4.3.12) with ESMTP id for ; Thu, 19 Feb 2004 11:04:11 +0000 Received: from csr.com ([192.168.144.127]) by EXCHANGE02.csr.com with Microsoft SMTPSVC(5.0.2195.5329); Thu, 19 Feb 2004 11:05:32 +0000 To: zsh-workers@sunsite.dk (Zsh hackers list) Subject: Re: Strict-aliasing warnings In-reply-to: "Wayne Davison"'s message of "Thu, 19 Feb 2004 02:50:13 PST." <20040219105013.GD26450@blorf.net> Date: Thu, 19 Feb 2004 11:04:28 +0000 Message-ID: <26082.1077188668@csr.com> From: Peter Stephenson X-OriginalArrivalTime: 19 Feb 2004 11:05:32.0237 (UTC) FILETIME=[4AA78FD0:01C3F6D8] Wayne Davison wrote: > That is the intent of using the (void *) cast -- it _should_ let the > optimizer know that that variable needs to be refetched. However, I'm > not 100% sure that this is enough to make sure that the optimizations > are valid or if it's only enough to just silence the warnings. Well, one would hope they were tied together... One would also hope no-one else was messing around with the pointer at the same time, or there is a bug. However, with zsh's, er, organic growth it's hard to be sure. -- Peter Stephenson Software Engineer CSR Ltd., Science Park, Milton Road, Cambridge, CB4 0WH, UK Tel: +44 (0)1223 692070 ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com **********************************************************************