/*      $NetBSD: floatunsidf.S,v 1.2 2014/03/18 18:20:37 riastradh Exp $        */

/*-
 * Copyright (c) 2013 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Matt Thomas of 3am Software Foundry.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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.
 */

#include <machine/asm.h>

#if defined(LIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: floatunsidf.S,v 1.2 2014/03/18 18:20:37 riastradh Exp $")
#endif /* LIBC_SCCS and not lint */

#ifdef __mcoldfire__
        .section .rodata,"a"
        .p2align 2
L2G:    .double 0r2147483648.0
#endif

/* LINTSTUB: double __floatunsidf(unsigned int); */
ENTRY(__floatunsidf)
        movl    4(%sp),%d0
        jpl     1f
        fmovel  %d0,%fp0
#ifdef __SVR4_ABI__
        rts
#else
        jra     Lret
#endif
1:
        bclr    #31,%d0
        fmovel  %d0,%fp0
#ifdef __mcoldfire__
        LEA_LCL(L2G,%a0)
        faddd   (%a0),%fp0
#else
        faddd   #0r2147483648.0,%fp0
#endif
#ifndef __SVR4_ABI__
Lret:
        fmoved  %fp0,-(%sp)
        movel   (%sp)+,%d0
        movel   (%sp)+,%d1
#endif
        rts
END(__floatunsidf)