From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Fabrice Popineau Newsgroups: gmane.emacs.devel Subject: Re: Windows 64 port Date: Thu, 22 Mar 2012 19:34:09 +0100 Message-ID: References: <20120219211800.0000558f@unknown> <834numv7js.fsf@gnu.org> <4F428780.8070902@cs.ucla.edu> <4F4D507F.7030008@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary=0015175cd1689dd70e04bbd92849 X-Trace: dough.gmane.org 1332441292 5883 80.91.229.3 (22 Mar 2012 18:34:52 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 22 Mar 2012 18:34:52 +0000 (UTC) Cc: Eli Zaretskii , Paul Eggert , emacs-devel@gnu.org, AJMR To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Mar 22 19:34:51 2012 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SAmqY-0002Y3-G9 for ged-emacs-devel@m.gmane.org; Thu, 22 Mar 2012 19:34:50 +0100 Original-Received: from localhost ([::1]:46284 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAmqX-0000L3-TE for ged-emacs-devel@m.gmane.org; Thu, 22 Mar 2012 14:34:49 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:37802) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAmqR-0000Jh-8y for emacs-devel@gnu.org; Thu, 22 Mar 2012 14:34:48 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SAmqP-0004f9-Fq for emacs-devel@gnu.org; Thu, 22 Mar 2012 14:34:42 -0400 Original-Received: from mail-bk0-f41.google.com ([209.85.214.41]:40860) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SAmqH-0004e5-GO; Thu, 22 Mar 2012 14:34:33 -0400 Original-Received: by bkwq16 with SMTP id q16so2469423bkw.0 for ; Thu, 22 Mar 2012 11:34:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=cSFjSXJ8RYoru0ZfC1HS7d7hlVPAQbn8wBRtqm7ljiw=; b=ZRjMsNb4RnIS3j2p2r/TnsSvaghCO+ABJKt3A+DRmLsL73/KjDZ3iBV1LGwh38ajEU Y3k4LEG8XxH2QJTQyz0mevkfYcPS7/aLyOegQRsN6uPfMXKx9a1nNpsjBV9xIGSNNXVs CsFPaJWc26Ld99RxgMpCTfKjT5yGp63092V7mbiXSYtyDgnLx1QFGWQgCQxlFSFBDV/2 35lNBrsp0hyeYqn0BEnhlShWYewNi6ljJJF5wb0+GC6nOQr9QmbPJnnXkxxfBNBNkv4z LGdu1kBbHYtSQEo90RZ2G4Kd34jlNkeQxPDM3bJLsSypAz67WQawW21GLsdkp+fb+mEB j4KA== Original-Received: by 10.204.10.66 with SMTP id o2mr3516516bko.30.1332441270572; Thu, 22 Mar 2012 11:34:30 -0700 (PDT) Original-Received: by 10.204.179.143 with HTTP; Thu, 22 Mar 2012 11:34:09 -0700 (PDT) In-Reply-To: X-Google-Sender-Auth: 5_4w1EHj5SHlYkKdIWltW2J10Ac X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.214.41 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:149179 Archived-At: --0015175cd1689dd70e04bbd92849 Content-Type: text/plain; charset=ISO-8859-1 > > > I don't see things that way. Some things that would pass on LP64 because > > ints are 64 bits > > They aren't. > > Ok, sorry, long not int. > > I don't see the point with using an unsigned int to negate it. > > Using int results in undefined behaviour. > You mean you can't negate a signed int ? Fabrice --0015175cd1689dd70e04bbd92849 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
> I don't see things that way. Some things that would pass on LP64 = because
> ints are 64 bits

They aren't.

Ok, sorry, long not int.
=A0
> I don't see the point with using an unsigned int to negate it.

Using int results in undefined behaviour.

You mean you can't negate a signed int ?

<= /div>Fabrice
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