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1 #ifndef _ASM_GENERIC_SWAB_H
2 #define _ASM_GENERIC_SWAB_H
3 
4 #include <asm/bitsperlong.h>
5 
6 /*
7  * 32 bit architectures typically (but not always) want to
8  * set __SWAB_64_THRU_32__. In user space, this is only
9  * valid if the compiler supports 64 bit data types.
10  */
11 
12 #if __BITS_PER_LONG == 32
13 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
14 #define __SWAB_64_THRU_32__
15 #endif
16 #endif
17 
18 #endif /* _ASM_GENERIC_SWAB_H */
19