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| 1 /*===---- bmi2intrin.h - BMI2 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 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H |
| 25 #error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead." |
| 26 #endif |
| 27 |
| 28 #ifndef __BMI2__ |
| 29 # error "BMI2 instruction set not enabled" |
| 30 #endif /* __BMI2__ */ |
| 31 |
| 32 #ifndef __BMI2INTRIN_H |
| 33 #define __BMI2INTRIN_H |
| 34 |
| 35 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 36 _bzhi_u32(unsigned int __X, unsigned int __Y) |
| 37 { |
| 38 return __builtin_ia32_bzhi_si(__X, __Y); |
| 39 } |
| 40 |
| 41 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 42 _pdep_u32(unsigned int __X, unsigned int __Y) |
| 43 { |
| 44 return __builtin_ia32_pdep_si(__X, __Y); |
| 45 } |
| 46 |
| 47 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 48 _pext_u32(unsigned int __X, unsigned int __Y) |
| 49 { |
| 50 return __builtin_ia32_pext_si(__X, __Y); |
| 51 } |
| 52 |
| 53 #ifdef __x86_64__ |
| 54 |
| 55 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug
__)) |
| 56 _bzhi_u64(unsigned long long __X, unsigned long long __Y) |
| 57 { |
| 58 return __builtin_ia32_bzhi_di(__X, __Y); |
| 59 } |
| 60 |
| 61 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug
__)) |
| 62 _pdep_u64(unsigned long long __X, unsigned long long __Y) |
| 63 { |
| 64 return __builtin_ia32_pdep_di(__X, __Y); |
| 65 } |
| 66 |
| 67 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug
__)) |
| 68 _pext_u64(unsigned long long __X, unsigned long long __Y) |
| 69 { |
| 70 return __builtin_ia32_pext_di(__X, __Y); |
| 71 } |
| 72 |
| 73 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug
__)) |
| 74 _mulx_u64 (unsigned long long __X, unsigned long long __Y, |
| 75 unsigned long long *__P) |
| 76 { |
| 77 unsigned __int128 __res = (unsigned __int128) __X * __Y; |
| 78 *__P = (unsigned long long) (__res >> 64); |
| 79 return (unsigned long long) __res; |
| 80 } |
| 81 |
| 82 #else /* !__x86_64__ */ |
| 83 |
| 84 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 85 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P) |
| 86 { |
| 87 unsigned long long __res = (unsigned long long) __X * __Y; |
| 88 *__P = (unsigned int) (__res >> 32); |
| 89 return (unsigned int) __res; |
| 90 } |
| 91 |
| 92 #endif /* !__x86_64__ */ |
| 93 |
| 94 #endif /* __BMI2INTRIN_H */ |
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