Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 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 | |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 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 | |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 43 | static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__)) |
| 44 | __tzcnt_u16(unsigned short __X) |
| 45 | { |
| 46 | return __builtin_ctzs(__X); |
| 47 | } |
| 48 | |
| 49 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 50 | __andn_u32(unsigned int __X, unsigned int __Y) |
| 51 | { |
| 52 | return ~__X & __Y; |
| 53 | } |
| 54 | |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 55 | /* AMD-specified, double-leading-underscore version of BEXTR */ |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 56 | static __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 | |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 62 | /* Intel-specified, single-leading-underscore version of BEXTR */ |
| 63 | static __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 | |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 69 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 70 | __blsi_u32(unsigned int __X) |
| 71 | { |
| 72 | return __X & -__X; |
| 73 | } |
| 74 | |
| 75 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 76 | __blsmsk_u32(unsigned int __X) |
| 77 | { |
| 78 | return __X ^ (__X - 1); |
| 79 | } |
| 80 | |
| 81 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 82 | __blsr_u32(unsigned int __X) |
| 83 | { |
| 84 | return __X & (__X - 1); |
| 85 | } |
| 86 | |
| 87 | static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) |
| 88 | __tzcnt_u32(unsigned int __X) |
| 89 | { |
| 90 | return __builtin_ctz(__X); |
| 91 | } |
| 92 | |
| 93 | #ifdef __x86_64__ |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 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 | |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 102 | static __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 | |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 108 | /* AMD-specified, double-leading-underscore version of BEXTR */ |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 109 | static __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 | |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 115 | /* Intel-specified, single-leading-underscore version of BEXTR */ |
| 116 | static __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 | |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 122 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
| 123 | __blsi_u64(unsigned long long __X) |
| 124 | { |
| 125 | return __X & -__X; |
| 126 | } |
| 127 | |
| 128 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
| 129 | __blsmsk_u64(unsigned long long __X) |
| 130 | { |
| 131 | return __X ^ (__X - 1); |
| 132 | } |
| 133 | |
| 134 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
| 135 | __blsr_u64(unsigned long long __X) |
| 136 | { |
| 137 | return __X & (__X - 1); |
| 138 | } |
| 139 | |
| 140 | static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) |
| 141 | __tzcnt_u64(unsigned long long __X) |
| 142 | { |
| 143 | return __builtin_ctzll(__X); |
| 144 | } |
Stephen Hines | aa22b64 | 2014-07-23 10:40:48 -0700 | [diff] [blame^] | 145 | |
| 146 | #endif /* __x86_64__ */ |
Ying Wang | 6099914 | 2013-01-07 13:59:36 -0800 | [diff] [blame] | 147 | |
| 148 | #endif /* __BMIINTRIN_H */ |