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- /* Copyright (C) 2009-2019 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 _LZCNTINTRIN_H_INCLUDED
- #define _LZCNTINTRIN_H_INCLUDED
- #ifndef __LZCNT__
- #pragma GCC push_options
- #pragma GCC target("lzcnt")
- #define __DISABLE_LZCNT__
- #endif /* __LZCNT__ */
- extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
- __lzcnt16 (unsigned short __X)
- {
- return __builtin_ia32_lzcnt_u16 (__X);
- }
- extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
- __lzcnt32 (unsigned int __X)
- {
- return __builtin_ia32_lzcnt_u32 (__X);
- }
- extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
- _lzcnt_u32 (unsigned int __X)
- {
- return __builtin_ia32_lzcnt_u32 (__X);
- }
- #ifdef __x86_64__
- extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
- __lzcnt64 (unsigned long long __X)
- {
- return __builtin_ia32_lzcnt_u64 (__X);
- }
- extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
- _lzcnt_u64 (unsigned long long __X)
- {
- return __builtin_ia32_lzcnt_u64 (__X);
- }
- #endif
- #ifdef __DISABLE_LZCNT__
- #undef __DISABLE_LZCNT__
- #pragma GCC pop_options
- #endif /* __DISABLE_LZCNT__ */
- #endif /* _LZCNTINTRIN_H_INCLUDED */
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