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Edit File: popcntintrin.h
/* Copyright (C) 2009 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/>. */ #ifndef __POPCNT__ # error "POPCNT instruction set not enabled" #endif /* __POPCNT__ */ #ifndef _POPCNTINTRIN_H_INCLUDED #define _POPCNTINTRIN_H_INCLUDED /* Calculate a number of bits set to 1. */ extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_popcnt_u32 (unsigned int __X) { return __builtin_popcount (__X); } #ifdef __x86_64__ extern __inline long long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_popcnt_u64 (unsigned long long __X) { return __builtin_popcountll (__X); } #endif #endif /* _POPCNTINTRIN_H_INCLUDED */