From owner-freebsd-arm@freebsd.org Sat Sep 9 19:06:04 2017 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 12D88E02F13; Sat, 9 Sep 2017 19:06:04 +0000 (UTC) (envelope-from jbeich@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E84B574110; Sat, 9 Sep 2017 19:06:03 +0000 (UTC) (envelope-from jbeich@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1354) id 467C08B24; Sat, 9 Sep 2017 19:06:03 +0000 (UTC) From: Jan Beich To: Warner Losh Cc: freebsd-arm@freebsd.org, freebsd-toolchain@freebsd.org Subject: Re: FCP-100: armv7 plan References: Date: Sat, 09 Sep 2017 21:05:57 +0200 In-Reply-To: (Warner Losh's message of "Fri, 8 Sep 2017 17:11:04 -0600") Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Sep 2017 19:06:04 -0000 Warner Losh writes: > Greetings, > > This will serve as 'Last Call' for any objections to the plan to create an > armv7 MACHINE_ARCH in FreeBSD, as documented in FCP-0100. [...] Some ports want NEON support but FCP-0100 is vague about FreeBSD-specific differences between armv6 and armv7. Clang appears to enable NEON for all *-gnueabi* targets but I have no clue about GCC. Apparently, Android and Debian don't assume NEON on armv7. related: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221898