From owner-svn-src-head@freebsd.org Thu Oct 24 13:08:22 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 44E7416C81F; Thu, 24 Oct 2019 13:08:22 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-il1-f196.google.com (mail-il1-f196.google.com [209.85.166.196]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46zSGt0l7wz3FPZ; Thu, 24 Oct 2019 13:08:21 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-il1-f196.google.com with SMTP id u1so22290428ilq.12; Thu, 24 Oct 2019 06:08:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=GRx1/7zfYkDF0r4ePqxLTREcfJwiipshd+lMTbHvDJk=; b=nxMorisUDEZCMloAjhoJ8sSV1k/6CDYbNSt/SnGqJA3YUMeV89S99feTz5po3wy2+O IOvy14zgD86I/tUzW3WozNzyxSgJklrYEt6htx+Wv2ysgrj11Ve9+iATd5C5pnzIWnbb Tpp8gtnVPMdyUtTTEOkwg0/+pu45MCXuSA+SMmT++gPp55VApa0EHIvcbQQCAr59Wcex Y3J9iYBfaULiLFlOotzyD3hFwGaAYN7x/VAWz013ledUKJbPRti2Kpo+bcdSdUJa4whj vfvepJy+AKpi/OGJx5JB2cZpdy5kiycq9yPujbpuuvr20EG0chVzUJfLaF8Xiz9C/ZC8 0kNw== X-Gm-Message-State: APjAAAWKTnWK025/socL3mew2QcONYvFvmwW0JkeOX28WsSnjP3mbBWK sjCcV1Q24Xj/IhZ7mMQo13meaBjuNEzkYaRsGqVHWwfH X-Google-Smtp-Source: APXvYqwpfOlEeUvlg5kohJshDQDwYRZvwc6gKZsu/dAcZE+xbIEtsLGW/BWXdTn2E41bubW3nrbY6JFlDP8L2vGnJ84= X-Received: by 2002:a92:650d:: with SMTP id z13mr13437809ilb.18.1571922500167; Thu, 24 Oct 2019 06:08:20 -0700 (PDT) MIME-Version: 1.0 References: <201910231657.x9NGvCMD039111@repo.freebsd.org> <20191024082609.GA63459@FreeBSD.org> In-Reply-To: <20191024082609.GA63459@FreeBSD.org> From: Ed Maste Date: Thu, 24 Oct 2019 07:35:01 -0400 Message-ID: Subject: Re: svn commit: r353936 - head/contrib/llvm/tools/clang/lib/Driver/ToolChains/Arch To: Alexey Dokuchaev Cc: Dimitry Andric , src-committers , svn-src-all , svn-src-head Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 46zSGt0l7wz3FPZ X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-6.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Oct 2019 13:08:22 -0000 On Thu, 24 Oct 2019 at 04:26, Alexey Dokuchaev wrote: > > Why i686, not i586? i486 lacking 64-bit atomics is a sound and valid > reason, but I don't understand why i586 wasn't chosen, and quick review > of that -arch thread did not help. Could you shed some more light here? i686 as a minimum allows a switch to PAE page tables. In my opinion we should still allow building FreeBSD for i586 (and I would like to have such a case in our hardware CI lab), but the default for the installation images and prebuilt packages should be i686.