source: Daodan/MSYS2/mingw32/lib/gcc/i686-w64-mingw32/11.2.0/include/rtmintrin.h@ 1171

Last change on this file since 1171 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env

File size: 2.7 KB
Line 
1/* Copyright (C) 2012-2021 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#ifndef _X86GPRINTRIN_H_INCLUDED
25# error "Never use <rtmintrin.h> directly; include <x86gprintrin.h> instead."
26#endif
27
28#ifndef _RTMINTRIN_H_INCLUDED
29#define _RTMINTRIN_H_INCLUDED
30
31#ifndef __RTM__
32#pragma GCC push_options
33#pragma GCC target("rtm")
34#define __DISABLE_RTM__
35#endif /* __RTM__ */
36
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. */
48extern __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. */
59extern __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__
69extern __inline void
70__attribute__((__gnu_inline__, __always_inline__, __artificial__))
71_xabort (const unsigned int __imm)
72{
73 __builtin_ia32_xabort (__imm);
74}
75#else
76#define _xabort(N) __builtin_ia32_xabort (N)
77#endif /* __OPTIMIZE__ */
78
79#ifdef __DISABLE_RTM__
80#undef __DISABLE_RTM__
81#pragma GCC pop_options
82#endif /* __DISABLE_RTM__ */
83
84#endif /* _RTMINTRIN_H_INCLUDED */
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