extern void abort (void); typedef short __v2hi __attribute ((vector_size(4))); typedef __v2hi fract2x16; typedef short fract16; int main () { fract2x16 a, b; int t; a = __builtin_bfin_compose_2x16 (0xc000, 0xa000); b = __builtin_bfin_compose_2x16 (0x7000, 0x2000); t = __builtin_bfin_mulhisihh (a, b); if (t != 0xe4000000) abort (); return 0; }