1/* $NetBSD: floatunsidf.S,v 1.2 2014/03/18 18:20:37 riastradh Exp $ */ 2 3/*- 4 * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <machine/asm.h> 33 34#if defined(LIBC_SCCS) && !defined(lint) 35RCSID("$NetBSD: floatunsidf.S,v 1.2 2014/03/18 18:20:37 riastradh Exp $") 36#endif /* LIBC_SCCS and not lint */ 37 38#ifdef __mcoldfire__ 39 .section .rodata,"a" 40 .p2align 2 41L2G: .double 0r2147483648.0 42#endif 43 44/* LINTSTUB: double __floatunsidf(unsigned int); */ 45ENTRY(__floatunsidf) 46 movl 4(%sp),%d0 47 jpl 1f 48 fmovel %d0,%fp0 49#ifdef __SVR4_ABI__ 50 rts 51#else 52 jra Lret 53#endif 541: 55 bclr #31,%d0 56 fmovel %d0,%fp0 57#ifdef __mcoldfire__ 58 LEA_LCL(L2G,%a0) 59 faddd (%a0),%fp0 60#else 61 faddd #0r2147483648.0,%fp0 62#endif 63#ifndef __SVR4_ABI__ 64Lret: 65 fmoved %fp0,-(%sp) 66 movel (%sp)+,%d0 67 movel (%sp)+,%d1 68#endif 69 rts 70END(__floatunsidf) 71