From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2.migadu.com ([2001:41d0:700:3204::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms8.migadu.com with LMTPS id aLorNMMtnGUcMwAAkFu2QA (envelope-from ) for ; Mon, 08 Jan 2024 18:15:47 +0100 Received: from aspmx1.migadu.com ([2001:41d0:403:58f0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2.migadu.com with LMTPS id YErLL8MtnGXbPwEAe85BDQ (envelope-from ) for ; Mon, 08 Jan 2024 18:15:47 +0100 X-Envelope-To: larch@yhetil.org Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=Iq1ZL6hi; spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1704734147; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:resent-cc: resent-from:resent-sender:resent-message-id:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=RBkTqN4s43qwZxd5QZYmj3x0turMjYrJr64/kFcZtgM=; b=b6TbtPrxMb/GUc+NAS/qzy+Tb8gE6E9hXu3HkZxJy7P//iE9I1Xr5lFWKPg25NXwloa9Zw 4pqCeyAfUKfu+fibXEQBFI+BJAXwPgjl63f3syHrZeYALS0YAYkWZMaoRnGhiCtol7oE2+ ornOar3QW3SIpoH7ftkUbaWToeGY7RgCkbjZ7h1B3Zv7xbFVaWg0YoMwJcCZYfe1lbAJAb x0n6SxhgADe6J+2NFsQ+kcDd11HYrBYD6AeNsLTDZoP3BFwXxc76xJGmZyw3vhdTobG8+o GRTEXzBMwMzL4fgW/Y1Og71t7vnXNfIDYj2BRVi0FHfe0b2fOnY8nYwNFPgZ8w== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1704734147; a=rsa-sha256; cv=none; b=polH31LGcRLH5ojksVZasEDgDX3kYI2tm2itwO3TSgpF8ExMkfH9opcRkEh6W7EYUGo05l GQ5+BbuYwmkwFc81mhkv7t248RSHsWfkA0JAruomTf4HzDuXZq5mgoAmzudHxMz79KlwLW 9gGkXiqEKbQHi2w+SMYoiB6krunK98Sn3ALtiKtwxASNL49n42wW86/sDoHDHU8xZFcGKp 5cz7NFe8jBcrETgG9HMA3MqS765n1EtxYK/uhzb0sY+LAiufWz7HfN8ksjLXKCkC97EoD1 TOpAzrtk+NkabmdSYIzyDDsKV+IRbzhVKHa5ksmntnoUdo9xr5lfqFCsF0JWNA== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=Iq1ZL6hi; spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org"; dmarc=pass (policy=none) header.from=gnu.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 6D63F6DDFB for ; Mon, 8 Jan 2024 18:15:47 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rMtDm-0008FM-Rg; Mon, 08 Jan 2024 12:15:34 -0500 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 1rMtDD-0007wX-Nk for guix-patches@gnu.org; Mon, 08 Jan 2024 12:15:00 -0500 Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rMtDD-00080n-FS for guix-patches@gnu.org; Mon, 08 Jan 2024 12:14:55 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rMtDJ-0007LA-Oc for guix-patches@gnu.org; Mon, 08 Jan 2024 12:15:01 -0500 X-Loop: help-debbugs@gnu.org Subject: [bug#68202] [PATCH 0/5] Add support for x86_64-linux-gnux32 Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Mon, 08 Jan 2024 17:15:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 68202 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: Efraim Flashner Cc: 68202@debbugs.gnu.org Received: via spool by 68202-submit@debbugs.gnu.org id=B68202.170473407428170 (code B ref 68202); Mon, 08 Jan 2024 17:15:01 +0000 Received: (at 68202) by debbugs.gnu.org; 8 Jan 2024 17:14:34 +0000 Received: from localhost ([127.0.0.1]:37438 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rMtCr-0007KH-Gk for submit@debbugs.gnu.org; Mon, 08 Jan 2024 12:14:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:38688) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rMtCj-0007Jn-Oa for 68202@debbugs.gnu.org; Mon, 08 Jan 2024 12:14:32 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rMtCV-0007c3-QL; Mon, 08 Jan 2024 12:14:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=RBkTqN4s43qwZxd5QZYmj3x0turMjYrJr64/kFcZtgM=; b=Iq1ZL6hi+ZtjoOFn3UH+ atVFDqswzdWQ9NYiPOJ8BVB3YGfspVcSjaBCb3vPI14hjf/kJnK4SX9H6V+YiF702/hFZ7V9dHOmL /DSiosMJNFqClJasmORWbZ+Al++5+HQ50OF6naUlpl8sq1mG+swey6pAE2RevOPswg+GirNs3Y97F WAMsOWWIpoZTdzL/6wx04sDqSqQW+9pehSaG3n5DAK6xZS/IaD2fJfHSWez3+/ox/lypqT7Umgm+G YkQQlFin0AZm4dx0+UDumMveA24m3kPY5OrxVtMFyZdeeCVzS+iRDwvbk3OylLDfeFOTyj+Q72rE2 eIg3kZzUYTCPqQ==; From: Ludovic =?UTF-8?Q?Court=C3=A8s?= In-Reply-To: (Efraim Flashner's message of "Tue, 2 Jan 2024 09:26:13 +0200") References: Date: Mon, 08 Jan 2024 18:14:07 +0100 Message-ID: <875y034ujk.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: guix-patches-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -5.33 X-Spam-Score: -5.33 X-Migadu-Queue-Id: 6D63F6DDFB X-Migadu-Scanner: mx11.migadu.com X-TUID: S62pCzpvOg8R Hi, Efraim Flashner skribis: > I was reminded recently about a comment I made back in February 2017 > about getting guix support for x32, aka x86_64-linux-gnux32, aka > x86_64-linux but with 32-bit data structures. The idea was that by > using 32-bit pointers there'd be a not insignificant speed-up of code > execution=C2=B9. I am uncertain how true this is, or which packages would > really benefit from this. Interesting! I=E2=80=99m not sure why this target hasn=E2=80=99t been picked up by ci.gu= ix. (gnu ci) calls =E2=80=98targets=E2=80=99, which returns it. Weird. > =C2=B9 https://en.wikipedia.org/wiki/X32_ABI It=E2=80=99s not clear how long support for this ABI will live on in the toolchain=E2=80=A6 Cheers, Ludo=E2=80=99.