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1 /*===---- bmi2intrin.h - BMI2 intrinsics -----------------------------------===
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2 *
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3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 * See https://llvm.org/LICENSE.txt for license information.
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5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 *
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7 *===-----------------------------------------------------------------------===
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8 */
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9
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10 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
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11 #error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
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12 #endif
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13
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14 #ifndef __BMI2INTRIN_H
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15 #define __BMI2INTRIN_H
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16
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17 /* Define the default attributes for the functions in this file. */
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18 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi2")))
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19
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20 static __inline__ unsigned int __DEFAULT_FN_ATTRS
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21 _bzhi_u32(unsigned int __X, unsigned int __Y)
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22 {
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23 return __builtin_ia32_bzhi_si(__X, __Y);
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24 }
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25
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26 static __inline__ unsigned int __DEFAULT_FN_ATTRS
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27 _pdep_u32(unsigned int __X, unsigned int __Y)
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28 {
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29 return __builtin_ia32_pdep_si(__X, __Y);
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30 }
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31
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32 static __inline__ unsigned int __DEFAULT_FN_ATTRS
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33 _pext_u32(unsigned int __X, unsigned int __Y)
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34 {
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35 return __builtin_ia32_pext_si(__X, __Y);
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36 }
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37
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38 #ifdef __x86_64__
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39
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40 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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41 _bzhi_u64(unsigned long long __X, unsigned long long __Y)
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42 {
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43 return __builtin_ia32_bzhi_di(__X, __Y);
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44 }
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45
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46 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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47 _pdep_u64(unsigned long long __X, unsigned long long __Y)
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48 {
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49 return __builtin_ia32_pdep_di(__X, __Y);
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50 }
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51
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52 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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53 _pext_u64(unsigned long long __X, unsigned long long __Y)
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54 {
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55 return __builtin_ia32_pext_di(__X, __Y);
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56 }
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57
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58 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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59 _mulx_u64 (unsigned long long __X, unsigned long long __Y,
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60 unsigned long long *__P)
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61 {
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62 unsigned __int128 __res = (unsigned __int128) __X * __Y;
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63 *__P = (unsigned long long) (__res >> 64);
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64 return (unsigned long long) __res;
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65 }
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66
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67 #else /* !__x86_64__ */
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68
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69 static __inline__ unsigned int __DEFAULT_FN_ATTRS
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70 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
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71 {
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72 unsigned long long __res = (unsigned long long) __X * __Y;
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73 *__P = (unsigned int) (__res >> 32);
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74 return (unsigned int) __res;
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75 }
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76
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77 #endif /* !__x86_64__ */
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78
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79 #undef __DEFAULT_FN_ATTRS
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80
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81 #endif /* __BMI2INTRIN_H */
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