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/* Copyright (C) 2009 Free Software Foundation, Inc.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3, or (at your option)

   any later version.

   GCC is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   Under Section 7 of GPL version 3, you are granted additional

   permissions described in the GCC Runtime Library Exception, version

   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and

   a copy of the GCC Runtime Library Exception along with this program;

   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

   <http://www.gnu.org/licenses/>.  */

#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED

# error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead."

#endif

#ifndef __LZCNT__

# error "LZCNT instruction is not enabled"

#endif /* __LZCNT__ */

#ifndef _LZCNTINTRIN_H_INCLUDED

#define _LZCNTINTRIN_H_INCLUDED

extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))

__lzcnt16 (unsigned short __X)

{

  return __builtin_clzs (__X);

}

extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))

__lzcnt32 (unsigned int __X)

{

  return __builtin_clz (__X);

}

#ifdef __x86_64__

extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))

__lzcnt64 (unsigned long long __X)

{

  return __builtin_clzll (__X);

}

#endif

#endif /* _LZCNTINTRIN_H_INCLUDED */