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kernel
os
linux
[MIPS] Optimize get_unaligned / put_unaligned implementations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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include/asm-mips/unaligned.h
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include/asm-mips/unaligned.h
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1996, 1999, 2000, 2001, 2003 by Ralf Baechle
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* Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
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* Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
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*/
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#ifndef _ASM_UNALIGNED_H
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#define _ASM_UNALIGNED_H
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#ifndef __ASM_GENERIC_UNALIGNED_H
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#define __ASM_GENERIC_UNALIGNED_H
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#include <asm-generic/unaligned.h>
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#include <linux/compiler.h>
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#endif /* _ASM_UNALIGNED_H */
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#define get_unaligned(ptr) \
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({ \
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struct __packed { \
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typeof(*(ptr)) __v; \
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} *__p = (void *) (ptr); \
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__p->__v; \
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})
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#define put_unaligned(val, ptr) \
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do { \
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struct __packed { \
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typeof(*(ptr)) __v; \
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} *__p = (void *) (ptr); \
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__p->__v = (val); \
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} while(0)
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#endif /* __ASM_GENERIC_UNALIGNED_H */