kernel-ark/include/asm-mips/unaligned.h
Ralf Baechle 9cfde2028b [MIPS] Optimize get_unaligned / put_unaligned implementations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11 23:46:15 +01:00

30 lines
699 B
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
*/
#ifndef __ASM_GENERIC_UNALIGNED_H
#define __ASM_GENERIC_UNALIGNED_H
#include <linux/compiler.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 */