From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Change module interface to no longer use GMP objects directly. Date: Mon, 09 Dec 2019 15:22:45 +0200 Message-ID: <83o8whd462.fsf@gnu.org> References: <10cefdff-38ce-438b-881d-15d2fe816a8b@cs.ucla.edu> <3d727645-911e-fc71-1f86-364aa82d06ba@cs.ucla.edu> <287b5f71-75eb-bae2-4f6e-01cce6f07b02@cs.ucla.edu> <87sgmdmxn9.fsf@hase.home> <3479c610-17b7-579c-8109-f7f5d237dcc2@cs.ucla.edu> <83k17aj0je.fsf@gnu.org> <83wob6ch6n.fsf@gnu.org> <0a49a713-6f93-cdb2-6937-0f42ebce8cdb@cs.ucla.edu> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="230243"; mail-complaints-to="usenet@blaine.gmane.org" Cc: phst@google.com, p.stephani2@gmail.com, schwab@linux-m68k.org, monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Dec 09 14:23:35 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1ieJ0f-000xjS-TW for ged-emacs-devel@m.gmane.org; Mon, 09 Dec 2019 14:23:34 +0100 Original-Received: from localhost ([::1]:40094 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieJ0e-00033N-Hm for ged-emacs-devel@m.gmane.org; Mon, 09 Dec 2019 08:23:32 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49430) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ieJ08-00031l-Lq for emacs-devel@gnu.org; Mon, 09 Dec 2019 08:23:01 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:32864) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ieJ08-0000hP-CV; Mon, 09 Dec 2019 08:23:00 -0500 Original-Received: from [176.228.60.248] (port=1818 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ieJ07-0000K5-Iy; Mon, 09 Dec 2019 08:23:00 -0500 In-reply-to: <0a49a713-6f93-cdb2-6937-0f42ebce8cdb@cs.ucla.edu> (message from Paul Eggert on Sun, 8 Dec 2019 20:58:29 -0800) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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:243260 Archived-At: > Cc: phst@google.com, schwab@linux-m68k.org, monnier@iro.umontreal.ca, > emacs-devel@gnu.org > From: Paul Eggert > Date: Sun, 8 Dec 2019 20:58:29 -0800 > > On 12/8/19 7:26 PM, Eli Zaretskii wrote: > > I'd like to make emacs_limb_t be an unsigned long in 32-bit builds, to > > match mp_limb_t. > > mp_limb_t is more complicated than that. On some 32-bit platforms, mp_limb_t > defaults to 64-bit 'unsigned long long', not to 32-bit 'unsigned long'. (The > libgmp builder can override this default, though I imagine most don't do that.) That's fine, but if we can ignore _all_ platform differences, we surely can ignore a subset, i.e. platforms where such non-default sizes were chosen for some reason, and just use 'unsigned long long' for them.