| /*===---- popcntintrin.h - POPCNT intrinsics -------------------------------=== |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __POPCNT__ |
| #error "POPCNT instruction set not enabled" |
| #endif |
| |
| #ifndef _POPCNTINTRIN_H |
| #define _POPCNTINTRIN_H |
| |
| static __inline__ int __attribute__((__always_inline__, __nodebug__)) |
| _mm_popcnt_u32(unsigned int __A) |
| { |
| return __builtin_popcount(__A); |
| } |
| |
| #ifdef __x86_64__ |
| static __inline__ long long __attribute__((__always_inline__, __nodebug__)) |
| _mm_popcnt_u64(unsigned long long __A) |
| { |
| return __builtin_popcountll(__A); |
| } |
| #endif /* __x86_64__ */ |
| |
| #endif /* _POPCNTINTRIN_H */ |
