bmi2intrin.h revision 1.1.1.1 
1/* Copyright (C) 2011-2013 Free Software Foundation, Inc.
2
3   This file is part of GCC.
4
5   GCC is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   GCC is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   Under Section 7 of GPL version 3, you are granted additional
16   permissions described in the GCC Runtime Library Exception, version
17   3.1, as published by the Free Software Foundation.
18
19   You should have received a copy of the GNU General Public License and
20   a copy of the GCC Runtime Library Exception along with this program;
21   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
22   <http://www.gnu.org/licenses/>.  */
23
24#if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
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_INCLUDED
33#define _BMI2INTRIN_H_INCLUDED
34
35extern __inline unsigned int
36__attribute__((__gnu_inline__, __always_inline__, __artificial__))
37_bzhi_u32 (unsigned int __X, unsigned int __Y)
38{
39  return __builtin_ia32_bzhi_si (__X, __Y);
40}
41
42extern __inline unsigned int
43__attribute__((__gnu_inline__, __always_inline__, __artificial__))
44_pdep_u32 (unsigned int __X, unsigned int __Y)
45{
46  return __builtin_ia32_pdep_si (__X, __Y);
47}
48
49extern __inline unsigned int
50__attribute__((__gnu_inline__, __always_inline__, __artificial__))
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
58extern __inline unsigned long long
59__attribute__((__gnu_inline__, __always_inline__, __artificial__))
60_bzhi_u64 (unsigned long long __X, unsigned long long __Y)
61{
62  return __builtin_ia32_bzhi_di (__X, __Y);
63}
64
65extern __inline unsigned long long
66__attribute__((__gnu_inline__, __always_inline__, __artificial__))
67_pdep_u64 (unsigned long long __X, unsigned long long __Y)
68{
69  return __builtin_ia32_pdep_di (__X, __Y);
70}
71
72extern __inline unsigned long long
73__attribute__((__gnu_inline__, __always_inline__, __artificial__))
74_pext_u64 (unsigned long long __X, unsigned long long __Y)
75{
76  return __builtin_ia32_pext_di (__X, __Y);
77}
78
79extern __inline unsigned long long
80__attribute__((__gnu_inline__, __always_inline__, __artificial__))
81_mulx_u64 (unsigned long long __X, unsigned long long __Y,
82	   unsigned long long *__P)
83{
84  unsigned __int128 __res = (unsigned __int128) __X * __Y;
85  *__P = (unsigned long long) (__res >> 64);
86  return (unsigned long long) __res;
87}
88
89#else /* !__x86_64__ */
90
91extern __inline unsigned int
92__attribute__((__gnu_inline__, __always_inline__, __artificial__))
93_mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
94{
95  unsigned long long __res = (unsigned long long) __X * __Y;
96  *__P = (unsigned int) (__res >> 32);
97  return (unsigned int) __res;
98}
99
100#endif /* !__x86_64__  */
101
102#endif /* _BMI2INTRIN_H_INCLUDED */
103