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[MIPS] Optimize get_unaligned / put_unaligned implementations. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2007-02-14 21:16:14 +00:00
parent 21a151d8ca
commit 9cfde2028b
1 changed files with 21 additions and 6 deletions
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27
include/asm-mips/unaligned.h
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@ -3,12 +3,27 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 1999, 2000, 2001, 2003 by Ralf Baechle
* Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
* Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
*/
#ifndef _ASM_UNALIGNED_H
#define _ASM_UNALIGNED_H
#ifndef __ASM_GENERIC_UNALIGNED_H
#define __ASM_GENERIC_UNALIGNED_H
#include <asm-generic/unaligned.h>
#include <linux/compiler.h>
#endif /* _ASM_UNALIGNED_H */
#define get_unaligned(ptr) \
({ \
struct __packed { \
typeof(*(ptr)) __v; \
} *__p = (void *) (ptr); \
__p->__v; \
})
#define put_unaligned(val, ptr) \
do { \
struct __packed { \
typeof(*(ptr)) __v; \
} *__p = (void *) (ptr); \
__p->__v = (val); \
} while(0)
#endif /* __ASM_GENERIC_UNALIGNED_H */