home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
- /*
- * Copyright (c) 1994 Winning Strategies, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Winning Strategies, Inc.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- /*
- * Written by:
- * J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
- */
-
- #include <machine/asm.h>
-
- RCSID("$Id: s_ilogb.S,v 1.2 1994/03/12 01:30:41 jtc Exp $")
-
- ENTRY(ilogb)
- pushl %esp
- movl %esp,%ebp
- subl $4,%esp
-
- fldl 8(%ebp)
- fxtract
- fstpl %st
-
- fistpl -4(%ebp)
- movl -4(%ebp),%eax
-
- leave
- ret
-