From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] trunk r117846: Add macros to allocate temporary Lisp objects with alloca. Date: Tue, 09 Sep 2014 13:55:54 -0400 Message-ID: References: <540F0BCB.4030506@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1410285432 30348 80.91.229.3 (9 Sep 2014 17:57:12 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Sep 2014 17:57:12 +0000 (UTC) Cc: Paul Eggert , Emacs development discussions To: Dmitry Antipov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Sep 09 19:57:02 2014 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 1XRPez-000402-9m for ged-emacs-devel@m.gmane.org; Tue, 09 Sep 2014 19:56:57 +0200 Original-Received: from localhost ([::1]:51182 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XRPez-0006eK-0a for ged-emacs-devel@m.gmane.org; Tue, 09 Sep 2014 13:56:57 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52527) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XRPeI-0006G9-G2 for emacs-devel@gnu.org; Tue, 09 Sep 2014 13:56:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XRPeA-0007Us-SS for emacs-devel@gnu.org; Tue, 09 Sep 2014 13:56:14 -0400 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:34799) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XRPeA-0007Uf-PJ for emacs-devel@gnu.org; Tue, 09 Sep 2014 13:56:06 -0400 Original-Received: from pastel.home (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id s89HttHs025228; Tue, 9 Sep 2014 13:55:55 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 0935D63067; Tue, 9 Sep 2014 13:55:55 -0400 (EDT) In-Reply-To: <540F0BCB.4030506@yandex.ru> (Dmitry Antipov's message of "Tue, 09 Sep 2014 18:16:43 +0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Level: X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0.2 X-NAI-Spam-Rules: 2 Rules triggered GEN_SPAM_FEATRE=0.2, RV5059=0 X-NAI-Spam-Version: 2.3.0.9378 : core <5059> : inlines <1269> : streams <1285643> : uri <1812105> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 132.204.246.20 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:174127 Archived-At: >> Any reason you don't use the `alignas' we already use/check just above? > An existing code uses alignas (X) for variable declaration, > not for type declaration. If I try the latter, I see: Any chance `alignas' can be used where we create the stack-allocated object, maybe? Stefan