From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Lisp_Marker size on 32bit systems Date: Fri, 7 Sep 2018 12:05:18 -0700 Organization: UCLA Computer Science Department Message-ID: References: <5a2c709e-aa49-b5b6-3fbe-fb8bd33acb23@cs.ucla.edu> <06d01a4b-9d98-df5b-be8a-aeda449acad7@cs.ucla.edu> <83bm99vijd.fsf@gnu.org> <831sa5v192.fsf@gnu.org> <83pnxptegl.fsf@gnu.org> <73af367c-34b0-62f9-6798-4be301f80594@cs.ucla.edu> <83musttayo.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1536347064 18694 195.159.176.226 (7 Sep 2018 19:04:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 7 Sep 2018 19:04:24 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 Cc: monnier@IRO.UMontreal.CA, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Sep 07 21:04:20 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fyM3I-0004lB-1G for ged-emacs-devel@m.gmane.org; Fri, 07 Sep 2018 21:04:20 +0200 Original-Received: from localhost ([::1]:39989 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyM5O-0004qu-HO for ged-emacs-devel@m.gmane.org; Fri, 07 Sep 2018 15:06:30 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45775) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyM4J-0004ah-EM for emacs-devel@gnu.org; Fri, 07 Sep 2018 15:05:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fyM4I-00024b-IP for emacs-devel@gnu.org; Fri, 07 Sep 2018 15:05:23 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:44754) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fyM4G-0001yo-PL; Fri, 07 Sep 2018 15:05:21 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id D79361609A0; Fri, 7 Sep 2018 12:05:19 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id VPdvDh2dYXPm; Fri, 7 Sep 2018 12:05:19 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 28CD7160E71; Fri, 7 Sep 2018 12:05:19 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 1Bx27tzjpVXl; Fri, 7 Sep 2018 12:05:19 -0700 (PDT) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 0A3FC1609A0; Fri, 7 Sep 2018 12:05:19 -0700 (PDT) Openpgp: preference=signencrypt Autocrypt: addr=eggert@cs.ucla.edu; prefer-encrypt=mutual; keydata= xsFNBEyAcmQBEADAAyH2xoTu7ppG5D3a8FMZEon74dCvc4+q1XA2J2tBy2pwaTqfhpxxdGA9 Jj50UJ3PD4bSUEgN8tLZ0san47l5XTAFLi2456ciSl5m8sKaHlGdt9XmAAtmXqeZVIYX/UFS 96fDzf4xhEmm/y7LbYEPQdUdxu47xA5KhTYp5bltF3WYDz1Ygd7gx07Auwp7iw7eNvnoDTAl KAl8KYDZzbDNCQGEbpY3efZIvPdeI+FWQN4W+kghy+P6au6PrIIhYraeua7XDdb2LS1en3Ss mE3QjqfRqI/A2ue8JMwsvXe/WK38Ezs6x74iTaqI3AFH6ilAhDqpMnd/msSESNFt76DiO1ZK QMr9amVPknjfPmJISqdhgB1DlEdw34sROf6V8mZw0xfqT6PKE46LcFefzs0kbg4GORf8vjG2 Sf1tk5eU8MBiyN/bZ03bKNjNYMpODDQQwuP84kYLkX2wBxxMAhBxwbDVZudzxDZJ1C2VXujC OJVxq2kljBM9ETYuUGqd75AW2LXrLw6+MuIsHFAYAgRr7+KcwDgBAfwhPBYX34nSSiHlmLC+ KaHLeCLF5ZI2vKm3HEeCTtlOg7xZEONgwzL+fdKo+D6SoC8RRxJKs8a3sVfI4t6CnrQzvJbB n6gxdgCu5i29J1QCYrCYvql2UyFPAK+do99/1jOXT4m2836j1wARAQABzSBQYXVsIEVnZ2Vy dCA8ZWdnZXJ0QGNzLnVjbGEuZWR1PsLBfgQTAQIAKAUCTIByZAIbAwUJEswDAAYLCQgHAwIG FQgCCQoLBBYCAwECH In-Reply-To: <83musttayo.fsf@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:229443 Archived-At: On 09/07/2018 11:32 AM, Eli Zaretskii wrote: >> There are differences in GCC struct layout between MS-Windows and >> GNU/Linux; see the GCC option -mms-bitfields. > "-mms-bitfields" is about something very different, and specifically > for compatibility with Microsoft compilers. I don't see how that > could affect long long. Sure, but the point is that GCC does not lay out structures identically on MS-Windows vs GNU/Linux. If it makes an exception for bitfields it may very well make an exception for long long.