| 1 | /* Copyright (C) 2009-2021 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 | #ifndef _POPCNTINTRIN_H_INCLUDED
|
|---|
| 25 | #define _POPCNTINTRIN_H_INCLUDED
|
|---|
| 26 |
|
|---|
| 27 | #ifndef __POPCNT__
|
|---|
| 28 | #pragma GCC push_options
|
|---|
| 29 | #pragma GCC target("popcnt")
|
|---|
| 30 | #define __DISABLE_POPCNT__
|
|---|
| 31 | #endif /* __POPCNT__ */
|
|---|
| 32 |
|
|---|
| 33 | /* Calculate a number of bits set to 1. */
|
|---|
| 34 | extern __inline int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
|---|
| 35 | _mm_popcnt_u32 (unsigned int __X)
|
|---|
| 36 | {
|
|---|
| 37 | return __builtin_popcount (__X);
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | #ifdef __x86_64__
|
|---|
| 41 | extern __inline long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
|---|
| 42 | _mm_popcnt_u64 (unsigned long long __X)
|
|---|
| 43 | {
|
|---|
| 44 | return __builtin_popcountll (__X);
|
|---|
| 45 | }
|
|---|
| 46 | #endif
|
|---|
| 47 |
|
|---|
| 48 | #ifdef __DISABLE_POPCNT__
|
|---|
| 49 | #undef __DISABLE_POPCNT__
|
|---|
| 50 | #pragma GCC pop_options
|
|---|
| 51 | #endif /* __DISABLE_POPCNT__ */
|
|---|
| 52 |
|
|---|
| 53 | #endif /* _POPCNTINTRIN_H_INCLUDED */
|
|---|
