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1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___CXX03___BIT_BLSR_H10#define _LIBCPP___CXX03___BIT_BLSR_H11 12#include <__cxx03/__config>13 14#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)15# pragma GCC system_header16#endif17 18_LIBCPP_BEGIN_NAMESPACE_STD19 20inline _LIBCPP_HIDE_FROM_ABI unsigned __libcpp_blsr(unsigned __x) _NOEXCEPT { return __x ^ (__x & -__x); }21 22inline _LIBCPP_HIDE_FROM_ABI unsigned long __libcpp_blsr(unsigned long __x) _NOEXCEPT { return __x ^ (__x & -__x); }23 24inline _LIBCPP_HIDE_FROM_ABI unsigned long long __libcpp_blsr(unsigned long long __x) _NOEXCEPT {25 return __x ^ (__x & -__x);26}27 28_LIBCPP_END_NAMESPACE_STD29 30#endif // _LIBCPP___CXX03___BIT_BLSR_H31