mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-24 02:18:54 +00:00
93d8bd3d4f
Before:
total: 2 errors, 0 warnings, 43 lines checked
After:
total: 0 errors, 0 warnings, 43 lines checked
No code changed:
arch/x86/lib/memcpy_32.o:
text data bss dec hex filename
164 0 0 164 a4 memcpy_32.o.before
164 0 0 164 a4 memcpy_32.o.after
md5:
d759f55621af27f51720b59c8ca96a4d memcpy_32.o.before.asm
d759f55621af27f51720b59c8ca96a4d memcpy_32.o.after.asm
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
44 lines
717 B
C
44 lines
717 B
C
#include <linux/string.h>
|
|
#include <linux/module.h>
|
|
|
|
#undef memcpy
|
|
#undef memset
|
|
|
|
void *memcpy(void *to, const void *from, size_t n)
|
|
{
|
|
#ifdef CONFIG_X86_USE_3DNOW
|
|
return __memcpy3d(to, from, n);
|
|
#else
|
|
return __memcpy(to, from, n);
|
|
#endif
|
|
}
|
|
EXPORT_SYMBOL(memcpy);
|
|
|
|
void *memset(void *s, int c, size_t count)
|
|
{
|
|
return __memset(s, c, count);
|
|
}
|
|
EXPORT_SYMBOL(memset);
|
|
|
|
void *memmove(void *dest, const void *src, size_t n)
|
|
{
|
|
int d0, d1, d2;
|
|
|
|
if (dest < src) {
|
|
memcpy(dest, src, n);
|
|
} else {
|
|
__asm__ __volatile__(
|
|
"std\n\t"
|
|
"rep\n\t"
|
|
"movsb\n\t"
|
|
"cld"
|
|
: "=&c" (d0), "=&S" (d1), "=&D" (d2)
|
|
:"0" (n),
|
|
"1" (n-1+src),
|
|
"2" (n-1+dest)
|
|
:"memory");
|
|
}
|
|
return dest;
|
|
}
|
|
EXPORT_SYMBOL(memmove);
|