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1 /* Copyright (C) 2012-2018 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 #if !defined _X86INTRIN_H_INCLUDED
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25 # error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
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26 #endif
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27
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28 #ifndef _RDSEEDINTRIN_H_INCLUDED
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29 #define _RDSEEDINTRIN_H_INCLUDED
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30
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31 #ifndef __RDSEED__
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32 #pragma GCC push_options
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33 #pragma GCC target("rdseed")
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34 #define __DISABLE_RDSEED__
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35 #endif /* __RDSEED__ */
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36
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37
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38 extern __inline int
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39 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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40 _rdseed16_step (unsigned short *__p)
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41 {
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42 return __builtin_ia32_rdseed_hi_step (__p);
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43 }
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44
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45 extern __inline int
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46 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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47 _rdseed32_step (unsigned int *__p)
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48 {
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49 return __builtin_ia32_rdseed_si_step (__p);
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50 }
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51
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52 #ifdef __x86_64__
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53 extern __inline int
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54 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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55 _rdseed64_step (unsigned long long *__p)
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56 {
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57 return __builtin_ia32_rdseed_di_step (__p);
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58 }
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59 #endif
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60
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61 #ifdef __DISABLE_RDSEED__
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62 #undef __DISABLE_RDSEED__
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63 #pragma GCC pop_options
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64 #endif /* __DISABLE_RDSEED__ */
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65
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66 #endif /* _RDSEEDINTRIN_H_INCLUDED */
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