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111
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1 /* ARM FP16 intrinsics include file.
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2
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131
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3 Copyright (C) 2016-2018 Free Software Foundation, Inc.
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111
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4 Contributed by ARM Ltd.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published
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10 by the Free Software Foundation; either version 3, or (at your
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11 option) any later version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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16 License for more details.
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17
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18 Under Section 7 of GPL version 3, you are granted additional
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19 permissions described in the GCC Runtime Library Exception, version
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20 3.1, as published by the Free Software Foundation.
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21
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22 You should have received a copy of the GNU General Public License and
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23 a copy of the GCC Runtime Library Exception along with this program;
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24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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25 <http://www.gnu.org/licenses/>. */
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26
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27 #ifndef _GCC_ARM_FP16_H
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28 #define _GCC_ARM_FP16_H 1
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29
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30 #ifdef __cplusplus
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31 extern "C" {
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32 #endif
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33
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34 #include <stdint.h>
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35
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36 /* Intrinsics for FP16 instructions. */
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37 #pragma GCC push_options
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38 #pragma GCC target ("fpu=fp-armv8")
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39
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40 #if defined (__ARM_FEATURE_FP16_SCALAR_ARITHMETIC)
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41
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42 typedef __fp16 float16_t;
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43
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44 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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45 vabsh_f16 (float16_t __a)
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46 {
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47 return __builtin_neon_vabshf (__a);
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48 }
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49
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50 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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51 vaddh_f16 (float16_t __a, float16_t __b)
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52 {
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53 return __a + __b;
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54 }
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55
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56 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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57 vcvtah_s32_f16 (float16_t __a)
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58 {
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59 return __builtin_neon_vcvtahssi (__a);
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60 }
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61
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62 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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63 vcvtah_u32_f16 (float16_t __a)
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64 {
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65 return __builtin_neon_vcvtahusi (__a);
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66 }
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67
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68 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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69 vcvth_f16_s32 (int32_t __a)
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70 {
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71 return __builtin_neon_vcvthshf (__a);
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72 }
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73
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74 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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75 vcvth_f16_u32 (uint32_t __a)
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76 {
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77 return __builtin_neon_vcvthuhf (__a);
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78 }
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79
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80 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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81 vcvth_n_f16_s32 (int32_t __a, const int __b)
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82 {
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83 return __builtin_neon_vcvths_nhf (__a, __b);
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84 }
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85
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86 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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87 vcvth_n_f16_u32 (uint32_t __a, const int __b)
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88 {
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89 return __builtin_neon_vcvthu_nhf ((int32_t)__a, __b);
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90 }
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91
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92 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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93 vcvth_n_s32_f16 (float16_t __a, const int __b)
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94 {
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95 return __builtin_neon_vcvths_nsi (__a, __b);
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96 }
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97
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98 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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99 vcvth_n_u32_f16 (float16_t __a, const int __b)
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100 {
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101 return (uint32_t)__builtin_neon_vcvthu_nsi (__a, __b);
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102 }
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103
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104 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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105 vcvth_s32_f16 (float16_t __a)
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106 {
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107 return __builtin_neon_vcvthssi (__a);
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108 }
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109
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110 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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111 vcvth_u32_f16 (float16_t __a)
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112 {
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113 return __builtin_neon_vcvthusi (__a);
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114 }
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115
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116 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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117 vcvtmh_s32_f16 (float16_t __a)
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118 {
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119 return __builtin_neon_vcvtmhssi (__a);
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120 }
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121
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122 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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123 vcvtmh_u32_f16 (float16_t __a)
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124 {
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125 return __builtin_neon_vcvtmhusi (__a);
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126 }
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127
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128 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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129 vcvtnh_s32_f16 (float16_t __a)
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130 {
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131 return __builtin_neon_vcvtnhssi (__a);
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132 }
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133
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134 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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135 vcvtnh_u32_f16 (float16_t __a)
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136 {
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137 return __builtin_neon_vcvtnhusi (__a);
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138 }
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139
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140 __extension__ static __inline int32_t __attribute__ ((__always_inline__))
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141 vcvtph_s32_f16 (float16_t __a)
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142 {
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143 return __builtin_neon_vcvtphssi (__a);
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144 }
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145
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146 __extension__ static __inline uint32_t __attribute__ ((__always_inline__))
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147 vcvtph_u32_f16 (float16_t __a)
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148 {
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149 return __builtin_neon_vcvtphusi (__a);
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150 }
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151
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152 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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153 vdivh_f16 (float16_t __a, float16_t __b)
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154 {
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155 return __a / __b;
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156 }
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157
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158 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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159 vfmah_f16 (float16_t __a, float16_t __b, float16_t __c)
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160 {
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161 return __builtin_neon_vfmahf (__a, __b, __c);
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162 }
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163
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164 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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165 vfmsh_f16 (float16_t __a, float16_t __b, float16_t __c)
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166 {
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167 return __builtin_neon_vfmshf (__a, __b, __c);
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168 }
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169
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170 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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171 vmaxnmh_f16 (float16_t __a, float16_t __b)
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172 {
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173 return __builtin_neon_vmaxnmhf (__a, __b);
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174 }
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175
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176 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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177 vminnmh_f16 (float16_t __a, float16_t __b)
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178 {
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179 return __builtin_neon_vminnmhf (__a, __b);
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180 }
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181
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182 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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183 vmulh_f16 (float16_t __a, float16_t __b)
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184 {
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185 return __a * __b;
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186 }
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187
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188 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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189 vnegh_f16 (float16_t __a)
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190 {
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191 return - __a;
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192 }
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193
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194 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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195 vrndah_f16 (float16_t __a)
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196 {
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197 return __builtin_neon_vrndahf (__a);
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198 }
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199
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200 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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201 vrndh_f16 (float16_t __a)
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202 {
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203 return __builtin_neon_vrndhf (__a);
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204 }
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205
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206 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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207 vrndih_f16 (float16_t __a)
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208 {
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209 return __builtin_neon_vrndihf (__a);
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210 }
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211
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212 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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213 vrndmh_f16 (float16_t __a)
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214 {
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215 return __builtin_neon_vrndmhf (__a);
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216 }
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217
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218 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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219 vrndnh_f16 (float16_t __a)
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220 {
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221 return __builtin_neon_vrndnhf (__a);
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222 }
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223
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224 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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225 vrndph_f16 (float16_t __a)
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226 {
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227 return __builtin_neon_vrndphf (__a);
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228 }
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229
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230 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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231 vrndxh_f16 (float16_t __a)
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232 {
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233 return __builtin_neon_vrndxhf (__a);
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234 }
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235
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236 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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237 vsqrth_f16 (float16_t __a)
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238 {
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239 return __builtin_neon_vsqrthf (__a);
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240 }
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241
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242 __extension__ static __inline float16_t __attribute__ ((__always_inline__))
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243 vsubh_f16 (float16_t __a, float16_t __b)
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244 {
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245 return __a - __b;
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246 }
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247
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248 #endif /* __ARM_FEATURE_FP16_SCALAR_ARITHMETIC */
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249 #pragma GCC pop_options
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250
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251 #ifdef __cplusplus
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252 }
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253 #endif
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254
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255 #endif
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