/* | |
* memset.c | |
*/ | |
#include <string.h> | |
void *memset(void *dst, int c, size_t n) | |
{ | |
char *q = dst; | |
#if defined(__i386__) | |
asm volatile("cld ; movl %0,%%edx ; shrl $2,%0 ; rep ; stosl ; " | |
"movl %%edx,%0 ; andl $3,%0 ; rep ; stosb" | |
: "+c" (n), "+D" (q) | |
: "a" ((unsigned char)c * 0x01010101U) | |
: "edx"); | |
#else | |
while ( n-- ) { | |
*q++ = c; | |
} | |
#endif | |
return dst; | |
} |