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/* Memory barrier operations. PowerPC version.
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Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _BITS_MEMORY_H
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#define _BITS_MEMORY_H 1
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/* Prevent read and write reordering across this function. */
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__memory_barrier (void)
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asm ("sync" ::: "memory");
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/* Prevent read reordering across this function. */
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#define __memory_read_barrier __memory_barrier
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/* Prevent write reordering across this function. */
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#define __memory_write_barrier __memory_barrier