Stephen Hines | 51a0ffb | 2014-02-14 00:25:07 -0800 | [diff] [blame] | 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 */ |