| 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. */
|
|---|
| 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__))
|
|---|
| 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 */
|
|---|
