1/* $NetBSD: modf.S,v 1.3 2014/03/18 18:20:37 riastradh Exp $ */ 2 3/*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <machine/asm.h> 37 38#if defined(LIBC_SCCS) && !defined(lint) 39#if 0 40 RCSID("from: @(#)modf.s 5.1 (Berkeley) 5/12/90") 41#else 42 RCSID("$NetBSD: modf.S,v 1.3 2014/03/18 18:20:37 riastradh Exp $") 43#endif 44#endif /* LIBC_SCCS and not lint */ 45 46/* 47 * double modf(val, iptr) 48 * returns: xxx and n (in *iptr) where val == n.xxx 49 */ 50ENTRY(modf) 51 fmoved 4(%sp),%fp0 52 movel 12(%sp),%a0 53#ifdef __mcoldfire__ 54 fintrzd %fp0,%fp1 55#else 56 fintrzx %fp0,%fp1 57#endif 58 fmoved %fp1,(%a0) 59#ifdef __mcoldfire__ 60 fsubd %fp1,%fp0 61#else 62 fsubx %fp1,%fp0 63#endif 64#ifndef __SVR4_ABI__ 65 fmoved %fp0,-(%sp) 66 movel (%sp)+,%d0 67 movel (%sp)+,%d1 68#endif 69 rts 70END(modf) 71