85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
|
/* Copyright (C) 2012-2023 Free Software Foundation, Inc.
|
||
|
|
||
|
This file is part of GCC.
|
||
|
|
||
|
GCC is free software; you can redistribute it and/or modify
|
||
|
it under the terms of the GNU General Public License as published by
|
||
|
the Free Software Foundation; either version 3, or (at your option)
|
||
|
any later version.
|
||
|
|
||
|
GCC is distributed in the hope that it will be useful,
|
||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
GNU General Public License for more details.
|
||
|
|
||
|
Under Section 7 of GPL version 3, you are granted additional
|
||
|
permissions described in the GCC Runtime Library Exception, version
|
||
|
3.1, as published by the Free Software Foundation.
|
||
|
|
||
|
You should have received a copy of the GNU General Public License and
|
||
|
a copy of the GCC Runtime Library Exception along with this program;
|
||
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||
|
<http://www.gnu.org/licenses/>. */
|
||
|
|
||
|
#ifndef _X86GPRINTRIN_H_INCLUDED
|
||
|
# error "Never use <rtmintrin.h> directly; include <x86gprintrin.h> instead."
|
||
|
#endif
|
||
|
|
||
|
#ifndef _RTMINTRIN_H_INCLUDED
|
||
|
#define _RTMINTRIN_H_INCLUDED
|
||
|
|
||
|
#ifndef __RTM__
|
||
|
#pragma GCC push_options
|
||
|
#pragma GCC target("rtm")
|
||
|
#define __DISABLE_RTM__
|
||
|
#endif /* __RTM__ */
|
||
|
|
||
|
#define _XBEGIN_STARTED (~0u)
|
||
|
#define _XABORT_EXPLICIT (1 << 0)
|
||
|
#define _XABORT_RETRY (1 << 1)
|
||
|
#define _XABORT_CONFLICT (1 << 2)
|
||
|
#define _XABORT_CAPACITY (1 << 3)
|
||
|
#define _XABORT_DEBUG (1 << 4)
|
||
|
#define _XABORT_NESTED (1 << 5)
|
||
|
#define _XABORT_CODE(x) (((x) >> 24) & 0xFF)
|
||
|
|
||
|
/* Start an RTM code region. Return _XBEGIN_STARTED on success and the
|
||
|
abort condition otherwise. */
|
||
|
extern __inline unsigned int
|
||
|
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
||
|
_xbegin (void)
|
||
|
{
|
||
|
return __builtin_ia32_xbegin ();
|
||
|
}
|
||
|
|
||
|
/* Specify the end of an RTM code region. If it corresponds to the
|
||
|
outermost transaction, then attempts the transaction commit. If the
|
||
|
commit fails, then control is transferred to the outermost transaction
|
||
|
fallback handler. */
|
||
|
extern __inline void
|
||
|
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
||
|
_xend (void)
|
||
|
{
|
||
|
__builtin_ia32_xend ();
|
||
|
}
|
||
|
|
||
|
/* Force an RTM abort condition. The control is transferred to the
|
||
|
outermost transaction fallback handler with the abort condition IMM. */
|
||
|
#ifdef __OPTIMIZE__
|
||
|
extern __inline void
|
||
|
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
|
||
|
_xabort (const unsigned int __imm)
|
||
|
{
|
||
|
__builtin_ia32_xabort (__imm);
|
||
|
}
|
||
|
#else
|
||
|
#define _xabort(N) __builtin_ia32_xabort (N)
|
||
|
#endif /* __OPTIMIZE__ */
|
||
|
|
||
|
#ifdef __DISABLE_RTM__
|
||
|
#undef __DISABLE_RTM__
|
||
|
#pragma GCC pop_options
|
||
|
#endif /* __DISABLE_RTM__ */
|
||
|
|
||
|
#endif /* _RTMINTRIN_H_INCLUDED */
|