1 /*===---- bmi2intrin.h - BMI2 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 <bmi2intrin.h> directly; include <x86intrin.h> instead."
29 # error "BMI2 instruction set not enabled"
32 #ifndef __BMI2INTRIN_H
33 #define __BMI2INTRIN_H
35 /* Define the default attributes for the functions in this file. */
36 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
38 static __inline__ unsigned int __DEFAULT_FN_ATTRS
39 _bzhi_u32(unsigned int __X, unsigned int __Y)
41 return __builtin_ia32_bzhi_si(__X, __Y);
44 static __inline__ unsigned int __DEFAULT_FN_ATTRS
45 _pdep_u32(unsigned int __X, unsigned int __Y)
47 return __builtin_ia32_pdep_si(__X, __Y);
50 static __inline__ unsigned int __DEFAULT_FN_ATTRS
51 _pext_u32(unsigned int __X, unsigned int __Y)
53 return __builtin_ia32_pext_si(__X, __Y);
58 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
59 _bzhi_u64(unsigned long long __X, unsigned long long __Y)
61 return __builtin_ia32_bzhi_di(__X, __Y);
64 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
65 _pdep_u64(unsigned long long __X, unsigned long long __Y)
67 return __builtin_ia32_pdep_di(__X, __Y);
70 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
71 _pext_u64(unsigned long long __X, unsigned long long __Y)
73 return __builtin_ia32_pext_di(__X, __Y);
76 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
77 _mulx_u64 (unsigned long long __X, unsigned long long __Y,
78 unsigned long long *__P)
80 unsigned __int128 __res = (unsigned __int128) __X * __Y;
81 *__P = (unsigned long long) (__res >> 64);
82 return (unsigned long long) __res;
85 #else /* !__x86_64__ */
87 static __inline__ unsigned int __DEFAULT_FN_ATTRS
88 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
90 unsigned long long __res = (unsigned long long) __X * __Y;
91 *__P = (unsigned int) (__res >> 32);
92 return (unsigned int) __res;
95 #endif /* !__x86_64__ */
97 #undef __DEFAULT_FN_ATTRS
99 #endif /* __BMI2INTRIN_H */