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bmi2intrin.h
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1 /*===---- bmi2intrin.h - BMI2 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 <bmi2intrin.h> directly; include <x86intrin.h> instead."
26 #endif
27 
28 #ifndef __BMI2__
29 # error "BMI2 instruction set not enabled"
30 #endif /* __BMI2__ */
31 
32 #ifndef __BMI2INTRIN_H
33 #define __BMI2INTRIN_H
34 
35 /* Define the default attributes for the functions in this file. */
36 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
37 
38 static __inline__ unsigned int __DEFAULT_FN_ATTRS
39 _bzhi_u32(unsigned int __X, unsigned int __Y)
40 {
41  return __builtin_ia32_bzhi_si(__X, __Y);
42 }
43 
44 static __inline__ unsigned int __DEFAULT_FN_ATTRS
45 _pdep_u32(unsigned int __X, unsigned int __Y)
46 {
47  return __builtin_ia32_pdep_si(__X, __Y);
48 }
49 
50 static __inline__ unsigned int __DEFAULT_FN_ATTRS
51 _pext_u32(unsigned int __X, unsigned int __Y)
52 {
53  return __builtin_ia32_pext_si(__X, __Y);
54 }
55 
56 #ifdef __x86_64__
57 
58 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
59 _bzhi_u64(unsigned long long __X, unsigned long long __Y)
60 {
61  return __builtin_ia32_bzhi_di(__X, __Y);
62 }
63 
64 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
65 _pdep_u64(unsigned long long __X, unsigned long long __Y)
66 {
67  return __builtin_ia32_pdep_di(__X, __Y);
68 }
69 
70 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
71 _pext_u64(unsigned long long __X, unsigned long long __Y)
72 {
73  return __builtin_ia32_pext_di(__X, __Y);
74 }
75 
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)
79 {
80  unsigned __int128 __res = (unsigned __int128) __X * __Y;
81  *__P = (unsigned long long) (__res >> 64);
82  return (unsigned long long) __res;
83 }
84 
85 #else /* !__x86_64__ */
86 
87 static __inline__ unsigned int __DEFAULT_FN_ATTRS
88 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
89 {
90  unsigned long long __res = (unsigned long long) __X * __Y;
91  *__P = (unsigned int) (__res >> 32);
92  return (unsigned int) __res;
93 }
94 
95 #endif /* !__x86_64__ */
96 
97 #undef __DEFAULT_FN_ATTRS
98 
99 #endif /* __BMI2INTRIN_H */
#define __DEFAULT_FN_ATTRS
Definition: bmi2intrin.h:36
static __inline__ unsigned int __DEFAULT_FN_ATTRS _mulx_u32(unsigned int __X, unsigned int __Y, unsigned int *__P)
Definition: bmi2intrin.h:88
static __inline__ unsigned int __DEFAULT_FN_ATTRS _pdep_u32(unsigned int __X, unsigned int __Y)
Definition: bmi2intrin.h:45
static __inline__ unsigned int __DEFAULT_FN_ATTRS _bzhi_u32(unsigned int __X, unsigned int __Y)
Definition: bmi2intrin.h:39
static __inline__ unsigned int __DEFAULT_FN_ATTRS _pext_u32(unsigned int __X, unsigned int __Y)
Definition: bmi2intrin.h:51