root/maint/gnulib/lib/ffsll.c

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   1 /* Find the first set bit in a 'long long' word.
   2 
   3    Copyright (C) 2011-2021 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 #define FUNC ffsll
  19 #define TYPE long long int
  20 #define GCC_BUILTIN __builtin_ffsll
  21 #ifdef _WIN64
  22 # define MSVC_BUILTIN _BitScanForward64
  23 #endif
  24 #include "ffsl.h"

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