85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/* Copyright (C) 2012-2016 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _IMMINTRIN_H_INCLUDED
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# error "Never use <rtmintrin.h> directly; include <immintrin.h> instead."
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#endif
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#ifndef _RTMINTRIN_H_INCLUDED
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#define _RTMINTRIN_H_INCLUDED
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#ifndef __RTM__
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#pragma GCC push_options
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#pragma GCC target("rtm")
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#define __DISABLE_RTM__
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#endif /* __RTM__ */
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#define _XBEGIN_STARTED (~0u)
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#define _XABORT_EXPLICIT (1 << 0)
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#define _XABORT_RETRY (1 << 1)
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#define _XABORT_CONFLICT (1 << 2)
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#define _XABORT_CAPACITY (1 << 3)
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#define _XABORT_DEBUG (1 << 4)
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#define _XABORT_NESTED (1 << 5)
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#define _XABORT_CODE(x) (((x) >> 24) & 0xFF)
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/* Start an RTM code region. Return _XBEGIN_STARTED on success and the
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abort condition otherwise. */
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extern __inline unsigned int
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__attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_xbegin (void)
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{
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return __builtin_ia32_xbegin ();
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}
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/* Specify the end of an RTM code region. If it corresponds to the
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outermost transaction, then attempts the transaction commit. If the
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commit fails, then control is transferred to the outermost transaction
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fallback handler. */
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extern __inline void
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__attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_xend (void)
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{
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__builtin_ia32_xend ();
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}
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/* Force an RTM abort condition. The control is transferred to the
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outermost transaction fallback handler with the abort condition IMM. */
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#ifdef __OPTIMIZE__
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extern __inline void
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__attribute__((__gnu_inline__, __always_inline__, __artificial__))
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_xabort (const unsigned int imm)
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{
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__builtin_ia32_xabort (imm);
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}
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#else
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#define _xabort(N) __builtin_ia32_xabort (N)
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#endif /* __OPTIMIZE__ */
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#ifdef __DISABLE_RTM__
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#undef __DISABLE_RTM__
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#pragma GCC pop_options
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#endif /* __DISABLE_RTM__ */
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#endif /* _RTMINTRIN_H_INCLUDED */
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