sdk/build-tools/26.0.0/renderscript/clang-include/popcntintrin.h

   1 /*===---- popcntintrin.h - POPCNT 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 #ifndef _POPCNTINTRIN_H
  25 #define _POPCNTINTRIN_H
  26
  27 /* Define the default attributes for the functions in this file. */
  28 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("popcnt")))
  29
  30 /// \brief Counts the number of bits in the source operand having a value of 1.
  31 ///
  32 /// \headerfile <x86intrin.h>
  33 ///
  34 /// This intrinsic corresponds to the \c POPCNT instruction.
  35 ///
  36 /// \param __A
  37 ///    An unsigned 32-bit integer operand.
  38 /// \returns A 32-bit integer containing the number of bits with value 1 in the
  39 ///    source operand.
  40 static __inline__ int __DEFAULT_FN_ATTRS
  41 _mm_popcnt_u32(unsigned int __A)
  42 {
  43   return __builtin_popcount(__A);
  44 }
  45
  46 /// \brief Counts the number of bits in the source operand having a value of 1.
  47 ///
  48 /// \headerfile <x86intrin.h>
  49 ///
  50 /// This intrinsic corresponds to the \c POPCNT instruction.
  51 ///
  52 /// \param __A
  53 ///    A signed 32-bit integer operand.
  54 /// \returns A 32-bit integer containing the number of bits with value 1 in the
  55 ///    source operand.
  56 static __inline__ int __DEFAULT_FN_ATTRS
  57 _popcnt32(int __A)
  58 {
  59   return __builtin_popcount(__A);
  60 }
  61
  62 #ifdef __x86_64__
  63 /// \brief Counts the number of bits in the source operand having a value of 1.
  64 ///
  65 /// \headerfile <x86intrin.h>
  66 ///
  67 /// This intrinsic corresponds to the \c POPCNT instruction.
  68 ///
  69 /// \param __A
  70 ///    An unsigned 64-bit integer operand.
  71 /// \returns A 64-bit integer containing the number of bits with value 1 in the
  72 ///    source operand.
  73 static __inline__ long long __DEFAULT_FN_ATTRS
  74 _mm_popcnt_u64(unsigned long long __A)
  75 {
  76   return __builtin_popcountll(__A);
  77 }
  78
  79 /// \brief Counts the number of bits in the source operand having a value of 1.
  80 ///
  81 /// \headerfile <x86intrin.h>
  82 ///
  83 /// This intrinsic corresponds to the \c POPCNT instruction.
  84 ///
  85 /// \param __A
  86 ///    A signed 64-bit integer operand.
  87 /// \returns A 64-bit integer containing the number of bits with value 1 in the
  88 ///    source operand.
  89 static __inline__ long long __DEFAULT_FN_ATTRS
  90 _popcnt64(long long __A)
  91 {
  92   return __builtin_popcountll(__A);
  93 }
  94 #endif /* __x86_64__ */
  95
  96 #undef __DEFAULT_FN_ATTRS
  97
  98 #endif /* _POPCNTINTRIN_H */