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/* Copyright (C) 2012-2015 Free Software Foundation, Inc. |
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|
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This file is part of GCC. |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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#ifndef _RTMINTRIN_H_INCLUDED |
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#define _RTMINTRIN_H_INCLUDED |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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#endif /* _RTMINTRIN_H_INCLUDED */ |
