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a5544970 | 1 | /* Copyright (C) 2012-2019 Free Software Foundation, Inc. |
10ee90e9 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 | #ifndef _IMMINTRIN_H_INCLUDED | |
25 | # error "Never use <rtmintrin.h> directly; include <immintrin.h> instead." | |
26 | #endif | |
27 | ||
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28 | #ifndef _RTMINTRIN_H_INCLUDED |
29 | #define _RTMINTRIN_H_INCLUDED | |
30 | ||
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31 | #ifndef __RTM__ |
32 | #pragma GCC push_options | |
33 | #pragma GCC target("rtm") | |
34 | #define __DISABLE_RTM__ | |
35 | #endif /* __RTM__ */ | |
36 | ||
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37 | #define _XBEGIN_STARTED (~0u) |
38 | #define _XABORT_EXPLICIT (1 << 0) | |
39 | #define _XABORT_RETRY (1 << 1) | |
40 | #define _XABORT_CONFLICT (1 << 2) | |
41 | #define _XABORT_CAPACITY (1 << 3) | |
42 | #define _XABORT_DEBUG (1 << 4) | |
43 | #define _XABORT_NESTED (1 << 5) | |
44 | #define _XABORT_CODE(x) (((x) >> 24) & 0xFF) | |
45 | ||
46 | /* Start an RTM code region. Return _XBEGIN_STARTED on success and the | |
47 | abort condition otherwise. */ | |
48 | extern __inline unsigned int | |
49 | __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
50 | _xbegin (void) | |
51 | { | |
52 | return __builtin_ia32_xbegin (); | |
53 | } | |
54 | ||
55 | /* Specify the end of an RTM code region. If it corresponds to the | |
56 | outermost transaction, then attempts the transaction commit. If the | |
57 | commit fails, then control is transferred to the outermost transaction | |
58 | fallback handler. */ | |
59 | extern __inline void | |
60 | __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
61 | _xend (void) | |
62 | { | |
63 | __builtin_ia32_xend (); | |
64 | } | |
65 | ||
66 | /* Force an RTM abort condition. The control is transferred to the | |
67 | outermost transaction fallback handler with the abort condition IMM. */ | |
68 | #ifdef __OPTIMIZE__ | |
69 | extern __inline void | |
70 | __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
b5fd0b71 | 71 | _xabort (const unsigned int __imm) |
10ee90e9 | 72 | { |
b5fd0b71 | 73 | __builtin_ia32_xabort (__imm); |
10ee90e9 KY |
74 | } |
75 | #else | |
4cca007e | 76 | #define _xabort(N) __builtin_ia32_xabort (N) |
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77 | #endif /* __OPTIMIZE__ */ |
78 | ||
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79 | #ifdef __DISABLE_RTM__ |
80 | #undef __DISABLE_RTM__ | |
81 | #pragma GCC pop_options | |
82 | #endif /* __DISABLE_RTM__ */ | |
83 | ||
10ee90e9 | 84 | #endif /* _RTMINTRIN_H_INCLUDED */ |