| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___CXX03___BIT_POPCOUNT_H |
| #define _LIBCPP___CXX03___BIT_POPCOUNT_H |
| |
| #include <__cxx03/__bit/rotate.h> |
| #include <__cxx03/__config> |
| #include <__cxx03/limits> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__cxx03/__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Tp> |
| _LIBCPP_HIDE_FROM_ABI int __libcpp_popcount(_Tp __v) { |
| return __builtin_popcountg(__v); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP___CXX03___BIT_POPCOUNT_H |
