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1/* Copyright (C) 2009-2017 Free Software Foundation, Inc.
2
3 This file is part of GCC.
4
5 GCC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 GCC 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 General Public License for more details.
14
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
18
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
23
24#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
25# error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead."
26#endif
27
28
29#ifndef _LZCNTINTRIN_H_INCLUDED
30#define _LZCNTINTRIN_H_INCLUDED
31
32#ifndef __LZCNT__
33#pragma GCC push_options
34#pragma GCC target("lzcnt")
35#define __DISABLE_LZCNT__
36#endif /* __LZCNT__ */
37
38extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
39__lzcnt16 (unsigned short __X)
40{
41 return __builtin_ia32_lzcnt_u16 (__X);
42}
43
44extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
45__lzcnt32 (unsigned int __X)
46{
47 return __builtin_ia32_lzcnt_u32 (__X);
48}
49
50extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
51_lzcnt_u32 (unsigned int __X)
52{
53 return __builtin_ia32_lzcnt_u32 (__X);
54}
55
56#ifdef __x86_64__
57extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
58__lzcnt64 (unsigned long long __X)
59{
60 return __builtin_ia32_lzcnt_u64 (__X);
61}
62
63extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
64_lzcnt_u64 (unsigned long long __X)
65{
66 return __builtin_ia32_lzcnt_u64 (__X);
67}
68#endif
69
70#ifdef __DISABLE_LZCNT__
71#undef __DISABLE_LZCNT__
72#pragma GCC pop_options
73#endif /* __DISABLE_LZCNT__ */
74
75#endif /* _LZCNTINTRIN_H_INCLUDED */
76

Warning: That file was not part of the compilation database. It may have many parsing errors.