1 
2 unsigned char asmFunc(unsigned char a, unsigned char b) {
3   unsigned int la = a;
4   unsigned int lb = b;
5   unsigned int bigres;
6   unsigned char res;
7   __asm__ ("0:\n1:\n" : [bigres] "=la"(bigres) : [la] "0"(la), [lb] "c"(lb) :
8                         "edx", "cc");
9   res = bigres;
10   return res;
11 }
12