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__)) _bzhi_u32(unsigned int __X,unsigned int __Y)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__)) _pdep_u32(unsigned int __X,unsigned int __Y)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__)) _pext_u32(unsigned int __X,unsigned int __Y)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__)) _bzhi_u64(unsigned long long __X,unsigned long long __Y)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__)) _pdep_u64(unsigned long long __X,unsigned long long __Y)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__)) _pext_u64(unsigned long long __X,unsigned long long __Y)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__)) _mulx_u64(unsigned long long __X,unsigned long long __Y,unsigned long long * __P)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__)) _mulx_u32(unsigned int __X,unsigned int __Y,unsigned int * __P)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 */ 95