| /* 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 */ |
