From owner-freebsd-questions@FreeBSD.ORG  Thu Apr  5 12:54:02 2007
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id EFB6216A401
	for <freebsd-questions@freebsd.org>;
	Thu,  5 Apr 2007 12:54:02 +0000 (UTC)
	(envelope-from scuba@centroin.com.br)
Received: from raptor.centroin.com (asmtp.centroin.com [64.251.27.169])
	by mx1.freebsd.org (Postfix) with ESMTP id A47A113C45A
	for <freebsd-questions@freebsd.org>;
	Thu,  5 Apr 2007 12:54:02 +0000 (UTC)
	(envelope-from scuba@centroin.com.br)
Received: from trex.centroin.com.br (trex.centroin.com.br [200.225.63.134])
	(authenticated bits=0)
	by raptor.centroin.com (8.14.0/8.13.6/CIP SMTP HOST) with ESMTP id
	l35Cs9Tr018473 for <freebsd-questions@freebsd.org>;
	Thu, 5 Apr 2007 09:54:18 -0300 (BRT)
	(envelope-from scuba@centroin.com.br)
Date: Thu, 5 Apr 2007 09:54:08 -0300 (BRT)
From: scuba@centroin.com.br
Sender: mpsouza@trex.centroin.com.br
To: freebsd-questions@freebsd.org
Message-ID: <20070405093721.N22331@trex.centroin.com.br>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Subject: unroll-loops - Is it always safe?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 05 Apr 2007 12:54:03 -0000

Hi All,

 	Is it always safe to use "-funroll-loops" as a flag to 
/etc/make.conf ? Does it realy improve the compiled programs?

 	When should I avoid to use it?

- Marcelo