From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Arsen =?utf-8?Q?Arsenovi=C4=87?= Newsgroups: gmane.emacs.devel Subject: Re: HAVE_FAST_UNALIGNED_ACCESS Date: Fri, 31 Mar 2023 22:13:38 +0200 Message-ID: <86r0t41xuj.fsf@aarsen.me> References: <87sfdmlgzx.fsf@gmail.com> <83a5zu5ybx.fsf@gnu.org> <87sfdm8j7r.fsf@aarsen.me> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36964"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , Robert Pluim , luangruo@yahoo.com, emacs-devel@gnu.org, Sam James To: Mattias =?utf-8?Q?Engdeg=C3=A5rd?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Mar 31 22:16:54 2023 Return-path: Envelope-to: ged-emacs-devel@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 1piLB6-0009KU-PC for ged-emacs-devel@m.gmane-mx.org; Fri, 31 Mar 2023 22:16:52 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1piLAA-0004L5-LQ; Fri, 31 Mar 2023 16:15:54 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1piLA9-0004J9-6i for emacs-devel@gnu.org; Fri, 31 Mar 2023 16:15:53 -0400 Original-Received: from mout-p-201.mailbox.org ([80.241.56.171]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_CHACHA20_POLY1305:256) (Exim 4.90_1) (envelope-from ) id 1piLA7-0000mu-EM; Fri, 31 Mar 2023 16:15:52 -0400 Original-Received: from smtp1.mailbox.org (smtp1.mailbox.org [10.196.197.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 4PpBP339Y4z9sRJ; Fri, 31 Mar 2023 22:15:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aarsen.me; s=MBO0001; t=1680293735; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=A9+qS2G7o41r6Gw3GTtfedX1Dzhzjp/DuDefY+jrbcQ=; b=Q5/hwdgWz8kG8SYU+8gScMs7OXaD5eRYgFht5YlLmQW4s7WKvJnIZB0jhyrd/bSpHOzQjk OTPddIwlf7bJU/PSTl/oSp3btyKv7AYXXC9uJKuR7XwT8AlQqLjq2UUNHk9m+utiRq+b63 a2+gBOtdmMNuYXfYkJcu+NuQuXzu64TKukQnIaT8eay6kO7uLCqsG3ILv6q5nphhZm20zw Vz4Gf28ZkHW5fWF27WVrtLsq0N5NdZkErcL8gEP10RN6EQIY8/1gmPEF7H7iuli3tYt7ID 4BSO9fE2bn2EGGzfsUcIsHp66Ozu4XZLPPNiM98vU9G2j+cJguAcCXIL6Bp3Bw== In-reply-to: Received-SPF: pass client-ip=80.241.56.171; envelope-from=arsen@aarsen.me; helo=mout-p-201.mailbox.org X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:304953 Archived-At: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mattias Engdeg=C3=A5rd writes: > 30 mars 2023 kl. 14.18 skrev Arsen Arsenovi=C4=87 : > >> As an example, the compiler is free to, for instance, vectorize a loop, >> emitting instructions that very much have alignment checking even on >> x86 (the loop in question is very much parallelizable and vectorizable, >> as it feels like a textbook example of such operations). > > If only. Then we wouldn't have this problem, would we. Free to, not required to ;) Thanks for pushing your patch. I'm still unsure if the machine specific knowledge here helps, but this is an improvement nonetheless. Have a lovely day. =2D-=20 Arsen Arsenovi=C4=87 --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iOYEARYKAI4WIQT+4rPRE/wAoxYtYGFSwpQwHqLEkwUCZCc/ZF8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0RkVF MkIzRDExM0ZDMDBBMzE2MkQ2MDYxNTJDMjk0MzAxRUEyQzQ5MxAcYXJzZW5AYWFy c2VuLm1lAAoJEFLClDAeosST9fMA/jxSBos/iCNxl2low1AXVcq/96w60xhAL/ey p8l4VldcAP9dYC+pDvZGYnGalG6ySP6JqopjlDCDlRdyg0ISpvbqBw== =QQA5 -----END PGP SIGNATURE----- --=-=-=--