1 /*===---- bmiintrin.h - BMI intrinsics -------------------------------------===
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:
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
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
21 *===-----------------------------------------------------------------------===
24 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
25 #error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
29 # error "BMI instruction set not enabled"
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)))
43 static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__))
44 __tzcnt_u16(unsigned short __X)
46 return __X ? __builtin_ctzs(__X) : 16;
49 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
50 __andn_u32(unsigned int __X, unsigned int __Y)
55 /* AMD-specified, double-leading-underscore version of BEXTR */
56 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
57 __bextr_u32(unsigned int __X, unsigned int __Y)
59 return __builtin_ia32_bextr_u32(__X, __Y);
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)
66 return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
69 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
70 __blsi_u32(unsigned int __X)
75 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
76 __blsmsk_u32(unsigned int __X)
78 return __X ^ (__X - 1);
81 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
82 __blsr_u32(unsigned int __X)
84 return __X & (__X - 1);
87 static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
88 __tzcnt_u32(unsigned int __X)
90 return __X ? __builtin_ctz(__X) : 32;
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)))
102 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
103 __andn_u64 (unsigned long long __X, unsigned long long __Y)
108 /* AMD-specified, double-leading-underscore version of BEXTR */
109 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
110 __bextr_u64(unsigned long long __X, unsigned long long __Y)
112 return __builtin_ia32_bextr_u64(__X, __Y);
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)
119 return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
122 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
123 __blsi_u64(unsigned long long __X)
128 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
129 __blsmsk_u64(unsigned long long __X)
131 return __X ^ (__X - 1);
134 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
135 __blsr_u64(unsigned long long __X)
137 return __X & (__X - 1);
140 static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
141 __tzcnt_u64(unsigned long long __X)
143 return __X ? __builtin_ctzll(__X) : 64;
146 #endif /* __x86_64__ */
148 #endif /* __BMIINTRIN_H */