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); ...@@ -214,49 +214,9 @@ return (to);
*/ */
static inline void * __constant_memcpy(void * to, const void * from, size_t n) static inline void * __constant_memcpy(void * to, const void * from, size_t n)
{ {
switch (n) { if (n <= 128)
case 0: return __builtin_memcpy(to, from, n);
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;
}
#define COMMON(x) \ #define COMMON(x) \
__asm__ __volatile__( \ __asm__ __volatile__( \
"rep ; movsl" \ "rep ; movsl" \
......
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