cb8bcafa71
existing functions with the exception they use the condition flags to store the result. Differential Revision: https://reviews.freebsd.org/D872 Silence from: current@ and numerics@ MFC after: 1 week
102 lines
3.3 KiB
C
102 lines
3.3 KiB
C
/*
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* Copyright (C) 2012 Andrew Turner
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "softfloat-for-gcc.h"
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#include "milieu.h"
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#include "softfloat.h"
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#include "aeabi_vfp.h"
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extern int _libc_arm_fpu_present;
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flag __unorddf2(float64, float64);
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/* These are written in asm and are only called from this file */
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int __aeabi_dcmpeq_vfp(float64, float64);
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int __aeabi_dcmplt_vfp(float64, float64);
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int __aeabi_dcmple_vfp(float64, float64);
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int __aeabi_dcmpgt_vfp(float64, float64);
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int __aeabi_dcmpge_vfp(float64, float64);
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int __aeabi_dcmpun_vfp(float64, float64);
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int __aeabi_d2iz_vfp(float64);
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float32 __aeabi_d2f_vfp(float64);
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float64 __aeabi_i2d_vfp(int);
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float64 __aeabi_dadd_vfp(float64, float64);
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float64 __aeabi_ddiv_vfp(float64, float64);
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float64 __aeabi_dmul_vfp(float64, float64);
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float64 __aeabi_dsub_vfp(float64, float64);
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/*
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* Depending on the target these will:
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* On armv6 with a vfp call the above function, or
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* Call the softfloat function in the 3rd argument.
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*/
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int AEABI_FUNC2(dcmpeq, float64, float64_eq)
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int AEABI_FUNC2(dcmplt, float64, float64_lt)
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int AEABI_FUNC2(dcmple, float64, float64_le)
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int AEABI_FUNC2_REV(dcmpge, float64, float64_le)
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int AEABI_FUNC2_REV(dcmpgt, float64, float64_lt)
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int AEABI_FUNC2(dcmpun, float64, __unorddf2)
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int AEABI_FUNC(d2iz, float64, float64_to_int32_round_to_zero)
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float32 AEABI_FUNC(d2f, float64, float64_to_float32)
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float64 AEABI_FUNC(i2d, int, int32_to_float64)
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float64 AEABI_FUNC2(dadd, float64, float64_add)
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float64 AEABI_FUNC2(ddiv, float64, float64_div)
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float64 AEABI_FUNC2(dmul, float64, float64_mul)
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float64 AEABI_FUNC2(dsub, float64, float64_sub)
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int
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__aeabi_cdcmpeq_helper(float64 a, float64 b)
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{
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int quiet = 0;
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/* Check if a is a NaN */
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if ((a << 1) > 0xffe0000000000000ull) {
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/* If it's a signalling NaN we will always signal */
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if ((a & 0x0008000000000000ull) == 0)
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return (0);
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quiet = 1;
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}
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/* Check if b is a NaN */
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if ((b << 1) > 0xffe0000000000000ull) {
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/* If it's a signalling NaN we will always signal */
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if ((b & 0x0008000000000000ull) == 0)
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return (0);
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quiet = 1;
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}
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return (quiet);
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}
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