1/*===---- bmiintrin.h - BMI 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 <bmiintrin.h> directly; include <x86intrin.h> instead." 26#endif 27 28#ifndef __BMI__ 29# error "BMI instruction set not enabled" 30#endif /* __BMI__ */ 31 32#ifndef __BMIINTRIN_H 33#define __BMIINTRIN_H 34 35#define _tzcnt_u16(a) (__tzcnt_u16((a))) 36#define _andn_u32(a, b) (__andn_u32((a), (b))) 37/* _bextr_u32 != __bextr_u32 */ 38#define _blsi_u32(a) (__blsi_u32((a))) 39#define _blsmsk_u32(a) (__blsmsk_u32((a))) 40#define _blsr_u32(a) (__blsr_u32((a))) 41#define _tzcnt_u32(a) (__tzcnt_u32((a))) 42 43static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__)) 44__tzcnt_u16(unsigned short __X) 45{ 46 return __X ? __builtin_ctzs(__X) : 16; 47} 48 49static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 50__andn_u32(unsigned int __X, unsigned int __Y) 51{ 52 return ~__X & __Y; 53} 54 55/* AMD-specified, double-leading-underscore version of BEXTR */ 56static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 57__bextr_u32(unsigned int __X, unsigned int __Y) 58{ 59 return __builtin_ia32_bextr_u32(__X, __Y); 60} 61 62/* Intel-specified, single-leading-underscore version of BEXTR */ 63static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 64_bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z) 65{ 66 return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); 67} 68 69static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 70__blsi_u32(unsigned int __X) 71{ 72 return __X & -__X; 73} 74 75static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 76__blsmsk_u32(unsigned int __X) 77{ 78 return __X ^ (__X - 1); 79} 80 81static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 82__blsr_u32(unsigned int __X) 83{ 84 return __X & (__X - 1); 85} 86 87static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) 88__tzcnt_u32(unsigned int __X) 89{ 90 return __X ? __builtin_ctz(__X) : 32; 91} 92 93#ifdef __x86_64__ 94 95#define _andn_u64(a, b) (__andn_u64((a), (b))) 96/* _bextr_u64 != __bextr_u64 */ 97#define _blsi_u64(a) (__blsi_u64((a))) 98#define _blsmsk_u64(a) (__blsmsk_u64((a))) 99#define _blsr_u64(a) (__blsr_u64((a))) 100#define _tzcnt_u64(a) (__tzcnt_u64((a))) 101 102static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 103__andn_u64 (unsigned long long __X, unsigned long long __Y) 104{ 105 return ~__X & __Y; 106} 107 108/* AMD-specified, double-leading-underscore version of BEXTR */ 109static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 110__bextr_u64(unsigned long long __X, unsigned long long __Y) 111{ 112 return __builtin_ia32_bextr_u64(__X, __Y); 113} 114 115/* Intel-specified, single-leading-underscore version of BEXTR */ 116static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 117_bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z) 118{ 119 return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8))); 120} 121 122static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 123__blsi_u64(unsigned long long __X) 124{ 125 return __X & -__X; 126} 127 128static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 129__blsmsk_u64(unsigned long long __X) 130{ 131 return __X ^ (__X - 1); 132} 133 134static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 135__blsr_u64(unsigned long long __X) 136{ 137 return __X & (__X - 1); 138} 139 140static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) 141__tzcnt_u64(unsigned long long __X) 142{ 143 return __X ? __builtin_ctzll(__X) : 64; 144} 145 146#endif /* __x86_64__ */ 147 148#endif /* __BMIINTRIN_H */ 149