1*cf88c389Smatt/* $NetBSD: ffs.S,v 1.5 2011/01/15 07:31:12 matt Exp $ */ 237c9f0a6Schristos 39eb6edc9Sross/*- 49eb6edc9Sross * Copyright (C) 2001 Martin J. Laubach <mjl@NetBSD.org> 59eb6edc9Sross * All rights reserved. 69eb6edc9Sross * 79eb6edc9Sross * Redistribution and use in source and binary forms, with or without 89eb6edc9Sross * modification, are permitted provided that the following conditions 99eb6edc9Sross * are met: 109eb6edc9Sross * 1. Redistributions of source code must retain the above copyright 119eb6edc9Sross * notice, this list of conditions and the following disclaimer. 129eb6edc9Sross * 2. Redistributions in binary form must reproduce the above copyright 139eb6edc9Sross * notice, this list of conditions and the following disclaimer in the 149eb6edc9Sross * documentation and/or other materials provided with the distribution. 159eb6edc9Sross * 3. The name of the author may not be used to endorse or promote products 169eb6edc9Sross * derived from this software without specific prior written permission. 179eb6edc9Sross * 189eb6edc9Sross * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 199eb6edc9Sross * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 209eb6edc9Sross * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 219eb6edc9Sross * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 229eb6edc9Sross * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 239eb6edc9Sross * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 249eb6edc9Sross * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 259eb6edc9Sross * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 269eb6edc9Sross * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 279eb6edc9Sross * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 289eb6edc9Sross */ 299eb6edc9Sross/*----------------------------------------------------------------------*/ 309eb6edc9Sross 319eb6edc9Sross#include <machine/asm.h> 329eb6edc9Sross 33*cf88c389Smatt__RCSID("$NetBSD: ffs.S,v 1.5 2011/01/15 07:31:12 matt Exp $") 34*cf88c389Smatt 359eb6edc9Sross .align 4 369eb6edc9SrossENTRY(ffs) 379eb6edc9Sross neg %r4, %r3 389eb6edc9Sross and %r3, %r4, %r3 399eb6edc9Sross cntlzw %r3, %r3 409eb6edc9Sross li %r0, 32 419eb6edc9Sross subf %r3, %r3, %r0 429eb6edc9Sross blr 43*cf88c389SmattEND(ffs) 449eb6edc9Sross 459eb6edc9Sross/*----------------------------------------------------------------------*/ 46