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."
31 #define _tzcnt_u16(a) (__tzcnt_u16((a)))
32 #define _andn_u32(a, b) (__andn_u32((a), (b)))
33 /* _bextr_u32 != __bextr_u32 */
34 #define _blsi_u32(a) (__blsi_u32((a)))
35 #define _blsmsk_u32(a) (__blsmsk_u32((a)))
36 #define _blsr_u32(a) (__blsr_u32((a)))
37 #define _tzcnt_u32(a) (__tzcnt_u32((a)))
39 /* Define the default attributes for the functions in this file. */
40 #define DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi")))
42 static __inline__ unsigned short DEFAULT_FN_ATTRS
43 __tzcnt_u16(unsigned short __X)
45 return __X ? __builtin_ctzs(__X) : 16;
48 static __inline__ unsigned int DEFAULT_FN_ATTRS
49 __andn_u32(unsigned int __X, unsigned int __Y)
54 /* AMD-specified, double-leading-underscore version of BEXTR */
55 static __inline__ unsigned int DEFAULT_FN_ATTRS
56 __bextr_u32(unsigned int __X, unsigned int __Y)
58 return __builtin_ia32_bextr_u32(__X, __Y);
61 /* Intel-specified, single-leading-underscore version of BEXTR */
62 static __inline__ unsigned int DEFAULT_FN_ATTRS
63 _bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z)
65 return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
68 static __inline__ unsigned int DEFAULT_FN_ATTRS
69 __blsi_u32(unsigned int __X)
74 static __inline__ unsigned int DEFAULT_FN_ATTRS
75 __blsmsk_u32(unsigned int __X)
77 return __X ^ (__X - 1);
80 static __inline__ unsigned int DEFAULT_FN_ATTRS
81 __blsr_u32(unsigned int __X)
83 return __X & (__X - 1);
86 static __inline__ unsigned int DEFAULT_FN_ATTRS
87 __tzcnt_u32(unsigned int __X)
89 return __X ? __builtin_ctz(__X) : 32;
94 #define _andn_u64(a, b) (__andn_u64((a), (b)))
95 /* _bextr_u64 != __bextr_u64 */
96 #define _blsi_u64(a) (__blsi_u64((a)))
97 #define _blsmsk_u64(a) (__blsmsk_u64((a)))
98 #define _blsr_u64(a) (__blsr_u64((a)))
99 #define _tzcnt_u64(a) (__tzcnt_u64((a)))
101 static __inline__ unsigned long long DEFAULT_FN_ATTRS
102 __andn_u64 (unsigned long long __X, unsigned long long __Y)
107 /* AMD-specified, double-leading-underscore version of BEXTR */
108 static __inline__ unsigned long long DEFAULT_FN_ATTRS
109 __bextr_u64(unsigned long long __X, unsigned long long __Y)
111 return __builtin_ia32_bextr_u64(__X, __Y);
114 /* Intel-specified, single-leading-underscore version of BEXTR */
115 static __inline__ unsigned long long DEFAULT_FN_ATTRS
116 _bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z)
118 return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
121 static __inline__ unsigned long long DEFAULT_FN_ATTRS
122 __blsi_u64(unsigned long long __X)
127 static __inline__ unsigned long long DEFAULT_FN_ATTRS
128 __blsmsk_u64(unsigned long long __X)
130 return __X ^ (__X - 1);
133 static __inline__ unsigned long long DEFAULT_FN_ATTRS
134 __blsr_u64(unsigned long long __X)
136 return __X & (__X - 1);
139 static __inline__ unsigned long long DEFAULT_FN_ATTRS
140 __tzcnt_u64(unsigned long long __X)
142 return __X ? __builtin_ctzll(__X) : 64;
145 #endif /* __x86_64__ */
147 #undef DEFAULT_FN_ATTRS
149 #endif /* __BMIINTRIN_H */