xref: /freebsd/lib/libc/arm/aeabi/aeabi_double.c (revision a06918a349fb6e0aa85b441b90d8743a238737d8)
101298368SAndrew Turner /*
201298368SAndrew Turner  * Copyright (C) 2012 Andrew Turner
301298368SAndrew Turner  * All rights reserved.
401298368SAndrew Turner  *
501298368SAndrew Turner  * Redistribution and use in source and binary forms, with or without
601298368SAndrew Turner  * modification, are permitted provided that the following conditions
701298368SAndrew Turner  * are met:
801298368SAndrew Turner  * 1. Redistributions of source code must retain the above copyright
901298368SAndrew Turner  *    notice, this list of conditions and the following disclaimer.
1001298368SAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright
1101298368SAndrew Turner  *    notice, this list of conditions and the following disclaimer in the
1201298368SAndrew Turner  *    documentation and/or other materials provided with the distribution.
1301298368SAndrew Turner  *
1401298368SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1501298368SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1601298368SAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1701298368SAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1801298368SAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1901298368SAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2001298368SAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2101298368SAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2201298368SAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2301298368SAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2401298368SAndrew Turner  * SUCH DAMAGE.
2501298368SAndrew Turner  *
2601298368SAndrew Turner  */
2701298368SAndrew Turner 
2801298368SAndrew Turner #include <sys/cdefs.h>
2901298368SAndrew Turner __FBSDID("$FreeBSD$");
3001298368SAndrew Turner 
3101298368SAndrew Turner #include "softfloat-for-gcc.h"
3201298368SAndrew Turner #include "milieu.h"
3301298368SAndrew Turner #include "softfloat.h"
3401298368SAndrew Turner 
35*a06918a3SAndrew Turner #include "aeabi_vfp.h"
36*a06918a3SAndrew Turner 
37*a06918a3SAndrew Turner extern int _libc_arm_fpu_present;
38*a06918a3SAndrew Turner 
3901298368SAndrew Turner flag __unorddf2(float64, float64);
4001298368SAndrew Turner 
41*a06918a3SAndrew Turner /* These are written in asm and are only called from this file */
42*a06918a3SAndrew Turner int __aeabi_dcmpeq_vfp(float64, float64);
43*a06918a3SAndrew Turner int __aeabi_dcmplt_vfp(float64, float64);
44*a06918a3SAndrew Turner int __aeabi_dcmple_vfp(float64, float64);
45*a06918a3SAndrew Turner int __aeabi_dcmpgt_vfp(float64, float64);
46*a06918a3SAndrew Turner int __aeabi_dcmpge_vfp(float64, float64);
47*a06918a3SAndrew Turner int __aeabi_dcmpun_vfp(float64, float64);
48*a06918a3SAndrew Turner int __aeabi_d2iz_vfp(float64);
49*a06918a3SAndrew Turner float32 __aeabi_d2f_vfp(float64);
50*a06918a3SAndrew Turner float64 __aeabi_i2d_vfp(int);
51*a06918a3SAndrew Turner float64 __aeabi_dadd_vfp(float64, float64);
52*a06918a3SAndrew Turner float64 __aeabi_ddiv_vfp(float64, float64);
53*a06918a3SAndrew Turner float64 __aeabi_dmul_vfp(float64, float64);
54*a06918a3SAndrew Turner float64 __aeabi_dsub_vfp(float64, float64);
5501298368SAndrew Turner 
56*a06918a3SAndrew Turner /*
57*a06918a3SAndrew Turner  * Depending on the target these will:
58*a06918a3SAndrew Turner  *  On armv6 with a vfp call the above function, or
59*a06918a3SAndrew Turner  *  Call the softfloat cunstion in the 3rd argument.
60*a06918a3SAndrew Turner  */
61*a06918a3SAndrew Turner int AEABI_FUNC2(dcmpeq, float64, float64_eq)
62*a06918a3SAndrew Turner int AEABI_FUNC2(dcmplt, float64, float64_lt)
63*a06918a3SAndrew Turner int AEABI_FUNC2(dcmple, float64, float64_le)
64*a06918a3SAndrew Turner int AEABI_FUNC2_REV(dcmpge, float64, float64_le)
65*a06918a3SAndrew Turner int AEABI_FUNC2_REV(dcmpgt, float64, float64_lt)
66*a06918a3SAndrew Turner int AEABI_FUNC2(dcmpun, float64, __unorddf2)
6701298368SAndrew Turner 
68*a06918a3SAndrew Turner int AEABI_FUNC(d2iz, float64, float64_to_int32_round_to_zero)
69*a06918a3SAndrew Turner float32 AEABI_FUNC(d2f, float64, float64_to_float32)
70*a06918a3SAndrew Turner float64 AEABI_FUNC(i2d, int, int32_to_float64)
7101298368SAndrew Turner 
72*a06918a3SAndrew Turner float64 AEABI_FUNC2(dadd, float64, float64_add)
73*a06918a3SAndrew Turner float64 AEABI_FUNC2(ddiv, float64, float64_div)
74*a06918a3SAndrew Turner float64 AEABI_FUNC2(dmul, float64, float64_mul)
75*a06918a3SAndrew Turner float64 AEABI_FUNC2(dsub, float64, float64_sub)
7601298368SAndrew Turner 
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