54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/* Copyright (C) 2009-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _POPCNTINTRIN_H_INCLUDED
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#define _POPCNTINTRIN_H_INCLUDED
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#ifndef __POPCNT__
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#pragma GCC push_options
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#pragma GCC target("popcnt")
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#define __DISABLE_POPCNT__
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#endif /* __POPCNT__ */
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/* Calculate a number of bits set to 1. */
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extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_mm_popcnt_u32 (unsigned int __X)
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{
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return __builtin_popcount (__X);
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}
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#ifdef __x86_64__
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extern __inline long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_mm_popcnt_u64 (unsigned long long __X)
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{
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return __builtin_popcountll (__X);
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}
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#endif
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#ifdef __DISABLE_POPCNT__
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#undef __DISABLE_POPCNT__
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#pragma GCC pop_options
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#endif /* __DISABLE_POPCNT__ */
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#endif /* _POPCNTINTRIN_H_INCLUDED */
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