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fbd26352 1/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
91d1d675 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
a2ef4824 24#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
a3398ee6 25# error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead."
91d1d675 26#endif
27
91d1d675 28
a3398ee6 29#ifndef _LZCNTINTRIN_H_INCLUDED
30#define _LZCNTINTRIN_H_INCLUDED
91d1d675 31
ef21d40e 32#ifndef __LZCNT__
33#pragma GCC push_options
34#pragma GCC target("lzcnt")
35#define __DISABLE_LZCNT__
36#endif /* __LZCNT__ */
37
b4d63c30 38extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
39__lzcnt16 (unsigned short __X)
40{
e0a20c9e 41 return __builtin_ia32_lzcnt_u16 (__X);
b4d63c30 42}
43
44extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
a3398ee6 45__lzcnt32 (unsigned int __X)
b4d63c30 46{
e0a20c9e 47 return __builtin_ia32_lzcnt_u32 (__X);
b4d63c30 48}
49
c6092377 50extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
51_lzcnt_u32 (unsigned int __X)
52{
e0a20c9e 53 return __builtin_ia32_lzcnt_u32 (__X);
c6092377 54}
55
b4d63c30 56#ifdef __x86_64__
b19d44e5 57extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
58__lzcnt64 (unsigned long long __X)
b4d63c30 59{
e0a20c9e 60 return __builtin_ia32_lzcnt_u64 (__X);
b4d63c30 61}
c6092377 62
63extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
64_lzcnt_u64 (unsigned long long __X)
65{
e0a20c9e 66 return __builtin_ia32_lzcnt_u64 (__X);
c6092377 67}
b4d63c30 68#endif
91d1d675 69
ef21d40e 70#ifdef __DISABLE_LZCNT__
71#undef __DISABLE_LZCNT__
72#pragma GCC pop_options
73#endif /* __DISABLE_LZCNT__ */
74
a3398ee6 75#endif /* _LZCNTINTRIN_H_INCLUDED */