aeabi_double.c revision 266314 
1/*
2 * Copyright (C) 2012 Andrew Turner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: stable/10/lib/libc/arm/aeabi/aeabi_double.c 266314 2014-05-17 14:22:37Z ian $");
30
31#include "softfloat-for-gcc.h"
32#include "milieu.h"
33#include "softfloat.h"
34
35#include "aeabi_vfp.h"
36
37extern int _libc_arm_fpu_present;
38
39flag __unorddf2(float64, float64);
40
41/* These are written in asm and are only called from this file */
42int __aeabi_dcmpeq_vfp(float64, float64);
43int __aeabi_dcmplt_vfp(float64, float64);
44int __aeabi_dcmple_vfp(float64, float64);
45int __aeabi_dcmpgt_vfp(float64, float64);
46int __aeabi_dcmpge_vfp(float64, float64);
47int __aeabi_dcmpun_vfp(float64, float64);
48int __aeabi_d2iz_vfp(float64);
49float32 __aeabi_d2f_vfp(float64);
50float64 __aeabi_i2d_vfp(int);
51float64 __aeabi_dadd_vfp(float64, float64);
52float64 __aeabi_ddiv_vfp(float64, float64);
53float64 __aeabi_dmul_vfp(float64, float64);
54float64 __aeabi_dsub_vfp(float64, float64);
55
56/*
57 * Depending on the target these will:
58 *  On armv6 with a vfp call the above function, or
59 *  Call the softfloat function in the 3rd argument.
60 */
61int AEABI_FUNC2(dcmpeq, float64, float64_eq)
62int AEABI_FUNC2(dcmplt, float64, float64_lt)
63int AEABI_FUNC2(dcmple, float64, float64_le)
64int AEABI_FUNC2_REV(dcmpge, float64, float64_le)
65int AEABI_FUNC2_REV(dcmpgt, float64, float64_lt)
66int AEABI_FUNC2(dcmpun, float64, __unorddf2)
67
68int AEABI_FUNC(d2iz, float64, float64_to_int32_round_to_zero)
69float32 AEABI_FUNC(d2f, float64, float64_to_float32)
70float64 AEABI_FUNC(i2d, int, int32_to_float64)
71
72float64 AEABI_FUNC2(dadd, float64, float64_add)
73float64 AEABI_FUNC2(ddiv, float64, float64_div)
74float64 AEABI_FUNC2(dmul, float64, float64_mul)
75float64 AEABI_FUNC2(dsub, float64, float64_sub)
76
77