external/bsd/llvm/dist/clang/lib/Headers/bmi2intrin.h

   1 /*===---- bmi2intrin.h - BMI2 intrinsics -----------------------------------===
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  *
  21  *===-----------------------------------------------------------------------===
  22  */
  23
  24 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  25 #error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
  26 #endif
  27
  28 #ifndef __BMI2__
  29 # error "BMI2 instruction set not enabled"
  30 #endif /* __BMI2__ */
  31
  32 #ifndef __BMI2INTRIN_H
  33 #define __BMI2INTRIN_H
  34
  35 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
  36 _bzhi_u32(unsigned int __X, unsigned int __Y)
  37 {
  38   return __builtin_ia32_bzhi_si(__X, __Y);
  39 }
  40
  41 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
  42 _pdep_u32(unsigned int __X, unsigned int __Y)
  43 {
  44   return __builtin_ia32_pdep_si(__X, __Y);
  45 }
  46
  47 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
  48 _pext_u32(unsigned int __X, unsigned int __Y)
  49 {
  50   return __builtin_ia32_pext_si(__X, __Y);
  51 }
  52
  53 #ifdef  __x86_64__
  54
  55 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
  56 _bzhi_u64(unsigned long long __X, unsigned long long __Y)
  57 {
  58   return __builtin_ia32_bzhi_di(__X, __Y);
  59 }
  60
  61 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
  62 _pdep_u64(unsigned long long __X, unsigned long long __Y)
  63 {
  64   return __builtin_ia32_pdep_di(__X, __Y);
  65 }
  66
  67 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
  68 _pext_u64(unsigned long long __X, unsigned long long __Y)
  69 {
  70   return __builtin_ia32_pext_di(__X, __Y);
  71 }
  72
  73 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
  74 _mulx_u64 (unsigned long long __X, unsigned long long __Y,
  75            unsigned long long *__P)
  76 {
  77   unsigned __int128 __res = (unsigned __int128) __X * __Y;
  78   *__P = (unsigned long long) (__res >> 64);
  79   return (unsigned long long) __res;
  80 }
  81
  82 #else /* !__x86_64__ */
  83
  84 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
  85 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
  86 {
  87   unsigned long long __res = (unsigned long long) __X * __Y;
  88   *__P = (unsigned int) (__res >> 32);
  89   return (unsigned int) __res;
  90 }
  91
  92 #endif /* !__x86_64__  */
  93
  94 #endif /* __BMI2INTRIN_H */