From owner-p4-projects@FreeBSD.ORG  Tue Dec  2 17:16:37 2003
Return-Path: <owner-p4-projects@FreeBSD.ORG>
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id AD7FA16A4D0; Tue,  2 Dec 2003 17:16:37 -0800 (PST)
Delivered-To: perforce@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 8898216A4CE
	for <perforce@freebsd.org>; Tue,  2 Dec 2003 17:16:37 -0800 (PST)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id DB5A043FF3
	for <perforce@freebsd.org>; Tue,  2 Dec 2003 17:16:36 -0800 (PST)
	(envelope-from peter@freebsd.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.12.9/8.12.9) with ESMTP id hB31GaXJ091401
	for <perforce@freebsd.org>; Tue, 2 Dec 2003 17:16:36 -0800 (PST)
	(envelope-from peter@freebsd.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.12.9/8.12.9/Submit) id hB31GaNN091398
	for perforce@freebsd.org; Tue, 2 Dec 2003 17:16:36 -0800 (PST)
	(envelope-from peter@freebsd.org)
Date: Tue, 2 Dec 2003 17:16:36 -0800 (PST)
Message-Id: <200312030116.hB31GaNN091398@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	peter@freebsd.org using -f
From: Peter Wemm <peter@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 43331 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Dec 2003 01:16:38 -0000

http://perforce.freebsd.org/chv.cgi?CH=43331

Change 43331 by peter@peter_overcee on 2003/12/02 17:16:27

	add bsfq/bsrq functions that work on 64 bit quantities.

Affected files ...

.. //depot/projects/hammer/sys/amd64/include/cpufunc.h#12 edit

Differences ...

==== //depot/projects/hammer/sys/amd64/include/cpufunc.h#12 (text+ko) ====

@@ -77,6 +77,15 @@
 	return (result);
 }
 
+static __inline u_long
+bsfq(u_long mask)
+{
+	u_long	result;
+
+	__asm __volatile("bsfq %1,%0" : "=r" (result) : "rm" (mask));
+	return (result);
+}
+
 static __inline u_int
 bsrl(u_int mask)
 {
@@ -86,6 +95,15 @@
 	return (result);
 }
 
+static __inline u_long
+bsrq(u_long mask)
+{
+	u_long	result;
+
+	__asm __volatile("bsrl %1,%0" : "=r" (result) : "rm" (mask));
+	return (result);
+}
+
 static __inline void
 disable_intr(void)
 {