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1 /* Copyright (C) 2010-2020 Free Software Foundation, Inc.
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111
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2
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3 This file is part of GCC.
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4
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5 GCC is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3, or (at your option)
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8 any later version.
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9
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10 GCC is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 /* This header is distributed to simplify porting x86_64 code that
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25 makes explicit use of Intel intrinsics to powerpc64le.
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26 It is the user's responsibility to determine if the results are
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27 acceptable and make additional changes as necessary.
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28 Note that much code that uses Intel intrinsics can be rewritten in
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29 standard C or GNU C extensions, which are more portable and better
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30 optimized across multiple targets. */
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31
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32 #if !defined _X86INTRIN_H_INCLUDED
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33 # error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
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34 #endif
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35
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36 #ifndef _BMIINTRIN_H_INCLUDED
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37 #define _BMIINTRIN_H_INCLUDED
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38
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39 extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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40 __tzcnt_u16 (unsigned short __X)
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41 {
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42 return __builtin_ctz (__X);
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43 }
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44
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45 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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46 __andn_u32 (unsigned int __X, unsigned int __Y)
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47 {
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48 return (~__X & __Y);
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49 }
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50
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51 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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52 _bextr_u32 (unsigned int __X, unsigned int __P, unsigned int __L)
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53 {
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54 return ((__X << (32 - (__L + __P))) >> (32 - __L));
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55 }
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56
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57 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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58 __bextr_u32 (unsigned int __X, unsigned int __Y)
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59 {
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60 unsigned int __P, __L;
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61 __P = __Y & 0xFF;
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62 __L = (__Y >> 8) & 0xFF;
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63 return (_bextr_u32 (__X, __P, __L));
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64 }
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65
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66 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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67 __blsi_u32 (unsigned int __X)
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68 {
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69 return (__X & -__X);
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70 }
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71
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72 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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73 _blsi_u32 (unsigned int __X)
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74 {
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75 return __blsi_u32 (__X);
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76 }
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77
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78 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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79 __blsmsk_u32 (unsigned int __X)
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80 {
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81 return (__X ^ (__X - 1));
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82 }
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83
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84 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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85 _blsmsk_u32 (unsigned int __X)
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86 {
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87 return __blsmsk_u32 (__X);
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88 }
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89
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90 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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91 __blsr_u32 (unsigned int __X)
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92 {
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93 return (__X & (__X - 1));
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94 }
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95
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96 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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97 _blsr_u32 (unsigned int __X)
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98 {
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99 return __blsr_u32 (__X);
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100 }
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101
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102 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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103 __tzcnt_u32 (unsigned int __X)
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104 {
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105 return __builtin_ctz (__X);
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106 }
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107
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108 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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109 _tzcnt_u32 (unsigned int __X)
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110 {
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111 return __builtin_ctz (__X);
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112 }
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113
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114 /* use the 64-bit shift, rotate, and count leading zeros instructions
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115 for long long. */
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116 #ifdef __PPC64__
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117 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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118 __andn_u64 (unsigned long long __X, unsigned long long __Y)
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119 {
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120 return (~__X & __Y);
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121 }
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122
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123 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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124 _bextr_u64 (unsigned long long __X, unsigned int __P, unsigned int __L)
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125 {
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126 return ((__X << (64 - (__L + __P))) >> (64 - __L));
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127 }
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128
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129 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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130 __bextr_u64 (unsigned long long __X, unsigned long long __Y)
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131 {
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132 unsigned int __P, __L;
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133 __P = __Y & 0xFF;
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134 __L = (__Y & 0xFF00) >> 8;
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135 return (_bextr_u64 (__X, __P, __L));
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136 }
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137
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138 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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139 __blsi_u64 (unsigned long long __X)
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140 {
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141 return __X & -__X;
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142 }
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143
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144 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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145 _blsi_u64 (unsigned long long __X)
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146 {
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147 return __blsi_u64 (__X);
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148 }
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149
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150 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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151 __blsmsk_u64 (unsigned long long __X)
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152 {
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153 return (__X ^ (__X - 1));
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154 }
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155
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156 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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157 _blsmsk_u64 (unsigned long long __X)
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158 {
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159 return __blsmsk_u64 (__X);
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160 }
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161
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162 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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163 __blsr_u64 (unsigned long long __X)
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164 {
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165 return (__X & (__X - 1));
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166 }
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167
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168 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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169 _blsr_u64 (unsigned long long __X)
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170 {
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171 return __blsr_u64 (__X);
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172 }
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173
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174 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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175 __tzcnt_u64 (unsigned long long __X)
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176 {
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177 return __builtin_ctzll (__X);
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178 }
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179
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180 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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181 _tzcnt_u64 (unsigned long long __X)
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182 {
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183 return __builtin_ctzll (__X);
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184 }
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185 #endif /* __PPC64__ */
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186
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187 #endif /* _BMIINTRIN_H_INCLUDED */
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