gcc-4.7/gcc/testsuite/gcc.target/bfin/builtins/sub_fr1x16-2.c


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extern void abort (void);

typedef short fract16;

int main ()
{
  fract16 t1;

  t1 = __builtin_bfin_sub_fr1x16 (0x3000, 0x4000);
  if (t1 != -0x1000)
    abort ();
  return 0;
}