Commit 959c23c5 authored by Jeff Garzik's avatar Jeff Garzik

Merge redhat.com:/garz/repo/linus-2.5

into redhat.com:/garz/repo/misc-2.5
parents 15e1406e c2808c8e
......@@ -214,49 +214,9 @@ return (to);
*/
static inline void * __constant_memcpy(void * to, const void * from, size_t n)
{
switch (n) {
case 0:
return to;
case 1:
*(unsigned char *)to = *(const unsigned char *)from;
return to;
case 2:
*(unsigned short *)to = *(const unsigned short *)from;
return to;
case 3:
*(unsigned short *)to = *(const unsigned short *)from;
*(2+(unsigned char *)to) = *(2+(const unsigned char *)from);
return to;
case 4:
*(unsigned long *)to = *(const unsigned long *)from;
return to;
case 6: /* for Ethernet addresses */
*(unsigned long *)to = *(const unsigned long *)from;
*(2+(unsigned short *)to) = *(2+(const unsigned short *)from);
return to;
case 8:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
return to;
case 12:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
return to;
case 16:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
return to;
case 20:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
*(4+(unsigned long *)to) = *(4+(const unsigned long *)from);
return to;
}
if (n <= 128)
return __builtin_memcpy(to, from, n);
#define COMMON(x) \
__asm__ __volatile__( \
"rep ; movsl" \
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment