ia64/linux-2.6.18-xen.hg

view arch/i386/lib/memcpy.c @ 647:a5bb490065f6

Fix the build after public header sync.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Aug 13 14:01:49 2008 +0100 (2008-08-13)
parents 831230e53067
children
line source
1 #include <linux/string.h>
2 #include <linux/module.h>
4 #undef memcpy
5 #undef memset
7 void *memcpy(void *to, const void *from, size_t n)
8 {
9 #ifdef CONFIG_X86_USE_3DNOW
10 return __memcpy3d(to, from, n);
11 #else
12 return __memcpy(to, from, n);
13 #endif
14 }
15 EXPORT_SYMBOL(memcpy);
17 void *memset(void *s, int c, size_t count)
18 {
19 return __memset(s, c, count);
20 }
21 EXPORT_SYMBOL(memset);
23 void *memmove(void *dest, const void *src, size_t n)
24 {
25 int d0, d1, d2;
27 if (dest < src) {
28 memcpy(dest,src,n);
29 } else {
30 __asm__ __volatile__(
31 "std\n\t"
32 "rep\n\t"
33 "movsb\n\t"
34 "cld"
35 : "=&c" (d0), "=&S" (d1), "=&D" (d2)
36 :"0" (n),
37 "1" (n-1+(const char *)src),
38 "2" (n-1+(char *)dest)
39 :"memory");
40 }
41 return dest;
42 }
43 EXPORT_SYMBOL(memmove);