From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Making 'eq' == 'eql' in bignum branch Date: Mon, 27 Aug 2018 05:31:14 +0300 Message-ID: <83in3w5yml.fsf@gnu.org> References: <09153aed-361d-4f82-d9ac-b502314769ae@cs.ucla.edu> <83lg91dqd4.fsf@gnu.org> <20180826201947.GC1867@ACM> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1535336986 3752 195.159.176.226 (27 Aug 2018 02:29:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 27 Aug 2018 02:29:46 +0000 (UTC) Cc: eggert@cs.ucla.edu, rms@gnu.org, emacs-devel@gnu.org, monnier@iro.umontreal.ca, pipcet@gmail.com, larsi@gnus.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Aug 27 04:29:41 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 1fu7Hg-0000rR-It for ged-emacs-devel@m.gmane.org; Mon, 27 Aug 2018 04:29:40 +0200 Original-Received: from localhost ([::1]:51050 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fu7Jm-0005xN-Ry for ged-emacs-devel@m.gmane.org; Sun, 26 Aug 2018 22:31:50 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38506) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fu7JV-0005vE-C3 for emacs-devel@gnu.org; Sun, 26 Aug 2018 22:31:39 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fu7JQ-0001gd-Sm for emacs-devel@gnu.org; Sun, 26 Aug 2018 22:31:33 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:57371) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fu7JQ-0001gZ-Oj; Sun, 26 Aug 2018 22:31:28 -0400 Original-Received: from [176.228.60.248] (port=4246 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fu7JK-0004f4-BD; Sun, 26 Aug 2018 22:31:22 -0400 In-reply-to: <20180826201947.GC1867@ACM> (message from Alan Mackenzie on Sun, 26 Aug 2018 20:19:47 +0000) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e 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:228958 Archived-At: > Date: Sun, 26 Aug 2018 20:19:47 +0000 > Cc: rms@gnu.org, Lars Ingebrigtsen , eliz@gnu.org, > monnier@iro.umontreal.ca, pipcet@gmail.com, emacs-devel@gnu.org > From: Alan Mackenzie > > Is anybody seriously going to be editing a 540 Mbyte buffer on a > 32-bit system nowadays? I do. But such buffers are not larger than most-positive-fixnum, because I use a build --with-wide-int, where an Emacs integer is a 64-bit type. The actual problem is to exceed SIZE_T_MAX, i.e. have a buffer that cannot be referenced by a single 'char *' pointer.