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818ab71a | 1 | /* Copyright (C) 2015-2016 Free Software Foundation, Inc. |
8e64f018 KY |
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 | |
25 | # error "Never use <pkuintrin.h> directly; include <x86intrin.h> instead." | |
26 | #endif | |
27 | ||
28 | #ifndef _PKUINTRIN_H_INCLUDED | |
29 | #define _PKUINTRIN_H_INCLUDED | |
30 | ||
31 | #ifndef __PKU__ | |
32 | #pragma GCC push_options | |
33 | #pragma GCC target("pku") | |
34 | #define __DISABLE_PKU__ | |
35 | #endif /* __PKU__ */ | |
36 | ||
37 | extern __inline unsigned int | |
38 | __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
39 | _rdpkru_u32(void) | |
40 | { | |
41 | return __builtin_ia32_rdpkru (); | |
42 | } | |
43 | ||
44 | extern __inline void | |
45 | __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
46 | _wrpkru(unsigned int key) | |
47 | { | |
48 | return __builtin_ia32_wrpkru (key); | |
49 | } | |
50 | ||
51 | #ifdef __DISABLE_PKU__ | |
52 | #undef __DISABLE_PKU__ | |
53 | #pragma GCC pop_options | |
54 | #endif /* __DISABLE_PKU__ */ | |
55 | ||
56 | #endif /* _PKUINTRIN_H_INCLUDED */ |