From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: immediate strings #2 Date: Tue, 29 Nov 2011 09:44:56 +0100 Message-ID: References: <4ED35057.8010103@yandex.ru> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1322556308 1980 80.91.229.12 (29 Nov 2011 08:45:08 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 29 Nov 2011 08:45:08 +0000 (UTC) Cc: Emacs Dev To: Ken Raeburn Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Nov 29 09:45:04 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RVJJI-0002kx-Ff for ged-emacs-devel@m.gmane.org; Tue, 29 Nov 2011 09:45:04 +0100 Original-Received: from localhost ([::1]:50374 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RVJJH-0002vX-KB for ged-emacs-devel@m.gmane.org; Tue, 29 Nov 2011 03:45:03 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:36339) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RVJJC-0002v6-2B for emacs-devel@gnu.org; Tue, 29 Nov 2011 03:45:01 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RVJJA-0004mk-Vh for emacs-devel@gnu.org; Tue, 29 Nov 2011 03:44:58 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.10]:56262) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RVJJA-0004md-RJ for emacs-devel@gnu.org; Tue, 29 Nov 2011 03:44:56 -0500 Original-Received: from frontend1.mail.m-online.net (frontend1.mail.intern.m-online.net [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id A3C941824448; Tue, 29 Nov 2011 09:48:18 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.8.164]) by mail.m-online.net (Postfix) with ESMTP id 446361C000FA; Tue, 29 Nov 2011 09:44:54 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.180]) by localhost (dynscan1.mail.m-online.net [192.168.8.164]) (amavisd-new, port 10024) with ESMTP id 8zsTL6DkfJTE; Tue, 29 Nov 2011 09:44:53 +0100 (CET) Original-Received: from hase.home (ppp-88-217-120-39.dynamic.mnet-online.de [88.217.120.39]) by mail.mnet-online.de (Postfix) with ESMTP; Tue, 29 Nov 2011 09:44:52 +0100 (CET) X-Yow: When this load is DONE I think I'll wash it AGAIN.. In-Reply-To: (Ken Raeburn's message of "Mon, 28 Nov 2011 19:57:23 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 212.18.0.10 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:146341 Archived-At: Ken Raeburn writes: > Well, I think Stefan's technically right... the "as-if" rule lets the > compiler get away with a lot, if it can analyze enough of the program > to figure out that it wouldn't make a difference to the semantics Only if the address is never taken, or sizeof is never applied. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."