1 /* Count the number of 1-bits in a word. 2 3 Copyright (C) 2012-2021 Free Software Foundation, Inc. 4 5 This file is free software: you can redistribute it and/or modify 6 it under the terms of the GNU Lesser General Public License as 7 published by the Free Software Foundation; either version 2.1 of the 8 License, or (at your option) any later version. 9 10 This file is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 17 18 #include <config.h> 19 20 #define COUNT_ONE_BITS_INLINE _GL_EXTERN_INLINE 21 #include "count-one-bits.h" 22 23 #if 1500 <= _MSC_VER && (defined _M_IX86 || defined _M_X64) 24 int popcount_support = -1; 25 #endif