1 extern void abort (void); 2 3 typedef short __v2hi __attribute ((vector_size(4))); 4 typedef __v2hi fract2x16; 5 typedef short fract16; 6 main()7int main () 8 { 9 fract2x16 a, b, t; 10 fract16 t1, t2; 11 12 a = __builtin_bfin_compose_2x16 (0x5000, 0x3000); 13 b = __builtin_bfin_compose_2x16 (0x6000, 0x6000); 14 15 t = __builtin_bfin_dspsubaddsat (a, b); 16 t1 = __builtin_bfin_extract_hi (t); 17 t2 = __builtin_bfin_extract_lo (t); 18 if (t1 != -0x1000 || t2 != 0x7fff) 19 abort (); 20 return 0; 21 } 22 23