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popcntintrin.h
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1 /*===---- popcntintrin.h - POPCNT intrinsics -------------------------------===
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a copy
4  * of this software and associated documentation files (the "Software"), to deal
5  * in the Software without restriction, including without limitation the rights
6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7  * copies of the Software, and to permit persons to whom the Software is
8  * furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice shall be included in
11  * all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19  * THE SOFTWARE.
20  *
21  *===-----------------------------------------------------------------------===
22  */
23 
24 #ifndef _POPCNTINTRIN_H
25 #define _POPCNTINTRIN_H
26 
27 /* Define the default attributes for the functions in this file. */
28 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("popcnt")))
29 
30 static __inline__ int __DEFAULT_FN_ATTRS
31 _mm_popcnt_u32(unsigned int __A)
32 {
33  return __builtin_popcount(__A);
34 }
35 
36 static __inline__ int __DEFAULT_FN_ATTRS
37 _popcnt32(int __A)
38 {
39  return __builtin_popcount(__A);
40 }
41 
42 #ifdef __x86_64__
43 static __inline__ long long __DEFAULT_FN_ATTRS
44 _mm_popcnt_u64(unsigned long long __A)
45 {
46  return __builtin_popcountll(__A);
47 }
48 
49 static __inline__ long long __DEFAULT_FN_ATTRS
50 _popcnt64(long long __A)
51 {
52  return __builtin_popcountll(__A);
53 }
54 #endif /* __x86_64__ */
55 
56 #undef __DEFAULT_FN_ATTRS
57 
58 #endif /* _POPCNTINTRIN_H */
#define __DEFAULT_FN_ATTRS
Definition: popcntintrin.h:28