1 extern void abort (void); 2 3 typedef short fract16; 4 main()5 int main () 6 { 7 fract16 t1; 8 9 t1 = __builtin_bfin_sub_fr1x16 (0x3000, 0x2000); 10 if (t1 != 0x1000) 11 abort (); 12 return 0; 13 } 14 15