From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Andrea Corallo Newsgroups: gmane.emacs.bugs Subject: bug#41615: [feature/native-comp] Dump prettier C code. Date: Sun, 31 May 2020 18:11:03 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="58718"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) Cc: 41615@debbugs.gnu.org To: Nicolas =?UTF-8?Q?B=C3=A9rtolo?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun May 31 20:12:12 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jfSRP-000FAL-SL for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 May 2020 20:12:11 +0200 Original-Received: from localhost ([::1]:40676 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jfSRO-0007uo-U8 for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 31 May 2020 14:12:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39120) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jfSRH-0007uh-Au for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 14:12:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:50525) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jfSRH-0004FC-0a for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 14:12:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jfSRG-0003ok-Sf for bug-gnu-emacs@gnu.org; Sun, 31 May 2020 14:12:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andrea Corallo Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 31 May 2020 18:12:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 41615 X-GNU-PR-Package: emacs Original-Received: via spool by 41615-submit@debbugs.gnu.org id=B41615.159094866814585 (code B ref 41615); Sun, 31 May 2020 18:12:02 +0000 Original-Received: (at 41615) by debbugs.gnu.org; 31 May 2020 18:11:08 +0000 Original-Received: from localhost ([127.0.0.1]:33834 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfSQN-0003nB-Tj for submit@debbugs.gnu.org; Sun, 31 May 2020 14:11:08 -0400 Original-Received: from mx.sdf.org ([205.166.94.20]:55745) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jfSQL-0003n1-1b for 41615@debbugs.gnu.org; Sun, 31 May 2020 14:11:07 -0400 Original-Received: from sdf.org (ma.sdf.org [205.166.94.33]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 04VIB3sj020462 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO); Sun, 31 May 2020 18:11:03 GMT Original-Received: (from akrl@localhost) by sdf.org (8.15.2/8.12.8/Submit) id 04VIB364027195; Sun, 31 May 2020 18:11:03 GMT In-Reply-To: ("Nicolas =?UTF-8?Q?B=C3=A9rtolo?="'s message of "Sun, 31 May 2020 14:26:46 -0300") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:181314 Archived-At: Nicolas B=C3=A9rtolo writes: >> I believe bzero is unnecessary given these are static allocated. > > Ok with me. > >> For memcpy we can just use the standard library implementation given >> elns are linked to it. The other advantage is that doing this way (here >> at least) memcpy is not inlined also at speed 3, so we don't trap in the >> optimizer issue! > > This is good! > >> All summed is even a little faster than the stock patch and closer to >> the one with the specific GCC blob support. > > Good. > >> Let me know if you like the attached and if does the job for you too. > > I like it. I see calls to memcpy even with -O3, which is great. > > Nico Great, I've measured the startup time here on GNU/Linux 64 bit and is slower by few milliseconds in average therefore totally acceptable. The whole compilation is something like 5x faster here. I've pushed it as 3efb2808d4 Thanks Andrea --=20 akrl@sdf.org