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PATH: usr / lib / gcc / x86_64-redhat-linux / 4.8.2 / include

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);
}

extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_lzcnt_u32 (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);
}

extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_lzcnt_u64 (unsigned long long __X)
{
  return __builtin_clzll (__X);
}
#endif

#endif /* _LZCNTINTRIN_H_INCLUDED */

[-] mmintrin.h [edit]
[-] cpuid.h [edit]
[-] varargs.h [edit]
[-] wmmintrin.h [edit]
[-] xsaveoptintrin.h [edit]
[-] stdfix.h [edit]
[-] cross-stdarg.h [edit]
[+] ..
[-] omp.h [edit]
[-] unwind.h [edit]
[-] smmintrin.h [edit]
[-] xopintrin.h [edit]
[-] bmmintrin.h [edit]
[-] stdalign.h [edit]
[-] pkuintrin.h [edit]
[-] stdnoreturn.h [edit]
[-] stdint.h [edit]
[-] fmaintrin.h [edit]
[-] xmmintrin.h [edit]
[-] mm_malloc.h [edit]
[-] lwpintrin.h [edit]
[-] ia32intrin.h [edit]
[-] pmmintrin.h [edit]
[-] syslimits.h [edit]
[-] xsaveintrin.h [edit]
[-] limits.h [edit]
[-] avxintrin.h [edit]
[-] stdint-gcc.h [edit]
[-] stdarg.h [edit]
[-] stddef.h [edit]
[-] fma4intrin.h [edit]
[-] x86intrin.h [edit]
[-] mm3dnow.h [edit]
[-] lzcntintrin.h [edit]
[-] tmmintrin.h [edit]
[-] stdbool.h [edit]
[-] rtmintrin.h [edit]
[-] adxintrin.h [edit]
[-] tbmintrin.h [edit]
[-] nmmintrin.h [edit]
[-] rdseedintrin.h [edit]
[-] prfchwintrin.h [edit]
[-] bmiintrin.h [edit]
[-] float.h [edit]
[-] immintrin.h [edit]
[-] f16cintrin.h [edit]
[-] popcntintrin.h [edit]
[-] xtestintrin.h [edit]
[-] avx2intrin.h [edit]
[-] ammintrin.h [edit]
[-] bmi2intrin.h [edit]
[-] iso646.h [edit]
[-] emmintrin.h [edit]
[-] fxsrintrin.h [edit]