From owner-cvs-src@FreeBSD.ORG Wed Apr 30 16:23:23 2003 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A423E37B401; Wed, 30 Apr 2003 16:23:23 -0700 (PDT) Received: from baraca.united.net.ua (vlan1.baraca.united.net.ua [195.234.212.67]) by mx1.FreeBSD.org (Postfix) with ESMTP id D643843FBD; Wed, 30 Apr 2003 16:23:21 -0700 (PDT) (envelope-from max@vega.com) Received: from vega.vega.com (root@xDSL-2-2.united.net.ua [193.111.9.226]) h3UNNHVG019497; Thu, 1 May 2003 02:23:18 +0300 (EEST) (envelope-from max@vega.com) Received: from vega.vega.com (max@localhost.vega.com [127.0.0.1]) by vega.vega.com (8.12.6/8.12.5) with ESMTP id h3UNONQ8085134; Thu, 1 May 2003 02:24:23 +0300 (EEST) (envelope-from sobomax@FreeBSD.org) Received: (from max@localhost) by vega.vega.com (8.12.6/8.12.5/Submit) id h3UNONNu085133; Thu, 1 May 2003 02:24:23 +0300 (EEST) Date: Thu, 1 May 2003 02:24:23 +0300 From: Maxim Sobolev To: "David E. O'Brien" Message-ID: <20030430232423.GD85015@vega.vega.com> References: <200304301621.h3UGL3Kl034314@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <200304301621.h3UGL3Kl034314@repoman.freebsd.org> User-Agent: Mutt/1.4i X-Operating-System: FreeBSD 4.7-STABLE i386 cc: cvs-src@FreeBSD.ORG cc: src-committers@FreeBSD.ORG cc: cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/lib/libc/amd64/gen fabs.S modf.S X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Apr 2003 23:23:24 -0000 Does this mean that it is theoretically possible to use those and other similar functions on SSE2-capable ia32 processors, such as p4, instead of x87 FPU ones? -Maxim On Wed, Apr 30, 2003 at 09:21:03AM -0700, David E. O'Brien wrote: > obrien 2003/04/30 09:21:03 PDT > > FreeBSD src repository > > Added files: > lib/libc/amd64/gen fabs.S modf.S > Log: > Floating point libc functions traditionally written in ASM. > AMD64 does away with the x87 in 64-bit long mode, so we have to play the > SSE/SSE2 game now. > > Obtained from: NetBSD/x86-64 > > Revision Changes Path > 1.1 +18 -0 src/lib/libc/amd64/gen/fabs.S (new) > 1.1 +95 -0 src/lib/libc/amd64/gen/modf.S (new)