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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [byteorder.h] - Blame information for rev 1774

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#ifndef _X86_64_BYTEORDER_H
#define _X86_64_BYTEORDER_H
 
#include <asm/types.h>
 
#ifdef __GNUC__
 
static __inline__ __const__ __u64 ___arch__swab64(__u64 x)
{
        __asm__("bswapq %0" : "=r" (x) : "0" (x));
        return x;
}
 
static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
{
        __asm__("bswapl %0" : "=r" (x) : "0" (x));
        return x;
}
 
/* Do not define swab16.  Gcc is smart enought to recognize "C" version and
   convert it into rotation or exhange.  */
 
#define __arch__swab32(x) ___arch__swab32(x)
#define __arch__swab64(x) ___arch__swab64(x)
 
#endif /* __GNUC__ */
 
#define __BYTEORDER_HAS_U64__
 
#include <linux/byteorder/little_endian.h>
 
#endif /* _X86_64_BYTEORDER_H */

Line No.	Rev	Author	Line
1	1275	phoenix	`#ifndef _X86_64_BYTEORDER_H`
2			`#define _X86_64_BYTEORDER_H`
3
4			`#include <asm/types.h>`
5
6			`#ifdef __GNUC__`
7
8			`static __inline__ __const__ __u64 ___arch__swab64(__u64 x)`
9			`{`
10			`__asm__("bswapq %0" : "=r" (x) : "0" (x));`
11			`return x;`
12			`}`
13
14			`static __inline__ __const__ __u32 ___arch__swab32(__u32 x)`
15			`{`
16			`__asm__("bswapl %0" : "=r" (x) : "0" (x));`
17			`return x;`
18			`}`
19
20			`/* Do not define swab16. Gcc is smart enought to recognize "C" version and`
21			`convert it into rotation or exhange. */`
22
23			`#define __arch__swab32(x) ___arch__swab32(x)`
24			`#define __arch__swab64(x) ___arch__swab64(x)`
25
26			`#endif /* __GNUC__ */`
27
28			`#define __BYTEORDER_HAS_U64__`
29
30			`#include <linux/byteorder/little_endian.h>`
31
32			`#endif /* _X86_64_BYTEORDER_H */`

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [byteorder.h] - Blame information for rev 1774