[prev in list] [next in list] [prev in thread] [next in thread] 

List:       freebsd-newbies
Subject:    
From:       "huayang" <huayang_007 () yahoo ! com ! cn>
Date:       2003-11-27 2:54:07
[Download RAW message or body]

hi,
	static inline char * strcpy(char * dest,const char *src)
{
int d0, d1, d2;
__asm__ __volatile__(
	"1:\tlodsb\n\t"
	"stosb\n\t"
	"testb %%al,%%al\n\t"
	"jne 1b"
	: "=&S" (d0), "=&D" (d1), "=&a" (d2)
	:"0" (src),"1" (dest) : "memory");
return dest;
}
Here " & ", in " =&S" is what meaning. 

_______________________________________________
freebsd-newbies@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-newbies
To unsubscribe, send any mail to "freebsd-newbies-unsubscribe@freebsd.org"
[prev in list] [next in list] [prev in thread] [next in thread]