From owner-freebsd-questions@FreeBSD.ORG Thu Sep 3 14:28:11 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5755E106566B for ; Thu, 3 Sep 2009 14:28:11 +0000 (UTC) (envelope-from dmw@coder.cl) Received: from mail-bw0-f206.google.com (mail-bw0-f206.google.com [209.85.218.206]) by mx1.freebsd.org (Postfix) with ESMTP id CDD178FC18 for ; Thu, 3 Sep 2009 14:28:10 +0000 (UTC) Received: by bwz2 with SMTP id 2so1509468bwz.43 for ; Thu, 03 Sep 2009 07:28:09 -0700 (PDT) MIME-Version: 1.0 Received: by 10.204.162.130 with SMTP id v2mr7950800bkx.70.1251988089716; Thu, 03 Sep 2009 07:28:09 -0700 (PDT) In-Reply-To: <200909031300.n83D0aJj013596@mp.cs.niu.edu> References: <200909031300.n83D0aJj013596@mp.cs.niu.edu> Date: Thu, 3 Sep 2009 10:28:09 -0400 Message-ID: From: Daniel Molina Wegener To: Scott Bennett Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: cc -march questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: dmw@coder.cl List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Sep 2009 14:28:11 -0000 2009/9/3 Scott Bennett > What exactly does "cc -march=prescott" enable cc to do? Does it > include > instruction scheduling for the pipeline structure of the Prescott CPUs? > Does > it include other options, e.g., "-mmmx -msse -msse2 -msse3"? > Thanks in advance for any information on the above! > According to the GCC manual page, it enables MMX, SSE, SSE2 and SSE3 instruction set support. Try: $ man 1 gcc /prescott Best Regards, DMW > > > Scott Bennett, Comm. ASMELG, CFIAG > ********************************************************************** > * Internet: bennett at cs.niu.edu * > *--------------------------------------------------------------------* > * "A well regulated and disciplined militia, is at all times a good * > * objection to the introduction of that bane of all free governments * > * -- a standing army." * > * -- Gov. John Hancock, New York Journal, 28 January 1790 * > ********************************************************************** > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" >