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 __POPCNT__ 25 #error "POPCNT instruction set not enabled" 26 #endif 27 28 #ifndef _POPCNTINTRIN_H 29 #define _POPCNTINTRIN_H 30 31 static __inline__ int __attribute__((__always_inline__, __nodebug__)) 32 _mm_popcnt_u32(unsigned int __A) 33 { 34 return __builtin_popcount(__A); 35 } 36 37 #ifdef __x86_64__ 38 static __inline__ long long __attribute__((__always_inline__, __nodebug__)) 39 _mm_popcnt_u64(unsigned long long __A) 40 { 41 return __builtin_popcountll(__A); 42 } 43 #endif /* __x86_64__ */ 44 45 #endif /* _POPCNTINTRIN_H */ 46
