bmi2intrin.h revision 288943 
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
38static __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
44static __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
50static __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
58static __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
64static __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
70static __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
76static __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
87static __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 */
100