head	1.1;
access;
symbols;
locks; strict;
comment	@# @;


1.1
date	94.06.19.15.51.54;	author rluebbert;	state Exp;
branches;
next	;


desc
@@


1.1
log
@Initial revision
@
text
@/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
	.asciz "@@(#)frexp.s	5.1 (Berkeley) 5/12/90"
#endif /* LIBC_SCCS and not lint */

#include "DEFS.h"

/*
 * double frexp(val, eptr)
 * returns: x s.t. val = x * (2 ** n), with n stored in *eptr
 */
ENTRY(frexp)
	fmoved		sp@@(4),fp1
	fgetmanx	fp1,fp0
	fgetexpx	fp1
	fmovel		fp1,d0
	addql		#1,d0
	movel		sp@@(12),a0
	movel		d0,a0@@
	fdivl		#2,fp0
	fmoved		fp0,sp@@-
	movel		sp@@+,d0
	movel		sp@@+,d1
	rts
@