clang/lib/Headers/bmi2intrin.h

   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 */