1*f4a2713aSLionel Sambuc /*===---- popcntintrin.h - POPCNT intrinsics -------------------------------===
2*f4a2713aSLionel Sambuc *
3*f4a2713aSLionel Sambuc * Permission is hereby granted, free of charge, to any person obtaining a copy
4*f4a2713aSLionel Sambuc * of this software and associated documentation files (the "Software"), to deal
5*f4a2713aSLionel Sambuc * in the Software without restriction, including without limitation the rights
6*f4a2713aSLionel Sambuc * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7*f4a2713aSLionel Sambuc * copies of the Software, and to permit persons to whom the Software is
8*f4a2713aSLionel Sambuc * furnished to do so, subject to the following conditions:
9*f4a2713aSLionel Sambuc *
10*f4a2713aSLionel Sambuc * The above copyright notice and this permission notice shall be included in
11*f4a2713aSLionel Sambuc * all copies or substantial portions of the Software.
12*f4a2713aSLionel Sambuc *
13*f4a2713aSLionel Sambuc * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*f4a2713aSLionel Sambuc * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*f4a2713aSLionel Sambuc * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*f4a2713aSLionel Sambuc * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*f4a2713aSLionel Sambuc * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18*f4a2713aSLionel Sambuc * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19*f4a2713aSLionel Sambuc * THE SOFTWARE.
20*f4a2713aSLionel Sambuc *
21*f4a2713aSLionel Sambuc *===-----------------------------------------------------------------------===
22*f4a2713aSLionel Sambuc */
23*f4a2713aSLionel Sambuc
24*f4a2713aSLionel Sambuc #ifndef __POPCNT__
25*f4a2713aSLionel Sambuc #error "POPCNT instruction set not enabled"
26*f4a2713aSLionel Sambuc #endif
27*f4a2713aSLionel Sambuc
28*f4a2713aSLionel Sambuc #ifndef _POPCNTINTRIN_H
29*f4a2713aSLionel Sambuc #define _POPCNTINTRIN_H
30*f4a2713aSLionel Sambuc
31*f4a2713aSLionel Sambuc static __inline__ int __attribute__((__always_inline__, __nodebug__))
_mm_popcnt_u32(unsigned int __A)32*f4a2713aSLionel Sambuc _mm_popcnt_u32(unsigned int __A)
33*f4a2713aSLionel Sambuc {
34*f4a2713aSLionel Sambuc return __builtin_popcount(__A);
35*f4a2713aSLionel Sambuc }
36*f4a2713aSLionel Sambuc
37*f4a2713aSLionel Sambuc #ifdef __x86_64__
38*f4a2713aSLionel Sambuc static __inline__ long long __attribute__((__always_inline__, __nodebug__))
_mm_popcnt_u64(unsigned long long __A)39*f4a2713aSLionel Sambuc _mm_popcnt_u64(unsigned long long __A)
40*f4a2713aSLionel Sambuc {
41*f4a2713aSLionel Sambuc return __builtin_popcountll(__A);
42*f4a2713aSLionel Sambuc }
43*f4a2713aSLionel Sambuc #endif /* __x86_64__ */
44*f4a2713aSLionel Sambuc
45*f4a2713aSLionel Sambuc #endif /* _POPCNTINTRIN_H */
46