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  1. /*===---- bmi2intrin.h - BMI2 intrinsics -----------------------------------===
  2.  *
  3.  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4.  * See https://llvm.org/LICENSE.txt for license information.
  5.  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6.  *
  7.  *===-----------------------------------------------------------------------===
  8.  */
  9.  
  10. #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  11. #error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
  12. #endif
  13.  
  14. #ifndef __BMI2INTRIN_H
  15. #define __BMI2INTRIN_H
  16.  
  17. /* Define the default attributes for the functions in this file. */
  18. #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi2")))
  19.  
  20. static __inline__ unsigned int __DEFAULT_FN_ATTRS
  21. _bzhi_u32(unsigned int __X, unsigned int __Y)
  22. {
  23.   return __builtin_ia32_bzhi_si(__X, __Y);
  24. }
  25.  
  26. static __inline__ unsigned int __DEFAULT_FN_ATTRS
  27. _pdep_u32(unsigned int __X, unsigned int __Y)
  28. {
  29.   return __builtin_ia32_pdep_si(__X, __Y);
  30. }
  31.  
  32. static __inline__ unsigned int __DEFAULT_FN_ATTRS
  33. _pext_u32(unsigned int __X, unsigned int __Y)
  34. {
  35.   return __builtin_ia32_pext_si(__X, __Y);
  36. }
  37.  
  38. #ifdef  __x86_64__
  39.  
  40. static __inline__ unsigned long long __DEFAULT_FN_ATTRS
  41. _bzhi_u64(unsigned long long __X, unsigned long long __Y)
  42. {
  43.   return __builtin_ia32_bzhi_di(__X, __Y);
  44. }
  45.  
  46. static __inline__ unsigned long long __DEFAULT_FN_ATTRS
  47. _pdep_u64(unsigned long long __X, unsigned long long __Y)
  48. {
  49.   return __builtin_ia32_pdep_di(__X, __Y);
  50. }
  51.  
  52. static __inline__ unsigned long long __DEFAULT_FN_ATTRS
  53. _pext_u64(unsigned long long __X, unsigned long long __Y)
  54. {
  55.   return __builtin_ia32_pext_di(__X, __Y);
  56. }
  57.  
  58. static __inline__ unsigned long long __DEFAULT_FN_ATTRS
  59. _mulx_u64 (unsigned long long __X, unsigned long long __Y,
  60.            unsigned long long *__P)
  61. {
  62.   unsigned __int128 __res = (unsigned __int128) __X * __Y;
  63.   *__P = (unsigned long long) (__res >> 64);
  64.   return (unsigned long long) __res;
  65. }
  66.  
  67. #else /* !__x86_64__ */
  68.  
  69. static __inline__ unsigned int __DEFAULT_FN_ATTRS
  70. _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
  71. {
  72.   unsigned long long __res = (unsigned long long) __X * __Y;
  73.   *__P = (unsigned int) (__res >> 32);
  74.   return (unsigned int) __res;
  75. }
  76.  
  77. #endif /* !__x86_64__  */
  78.  
  79. #undef __DEFAULT_FN_ATTRS
  80.  
  81. #endif /* __BMI2INTRIN_H */
  82.