gcc/testsuite/gcc.target/bfin/builtins/negate_fr2x16-1.c

   1 extern void abort (void);
   2
   3 typedef short  __v2hi __attribute ((vector_size(4)));
   4 typedef __v2hi fract2x16;
   5 typedef short fract16;
   6
   7 int main ()
   8 {
   9   fract2x16 a, t;
  10   fract16 t1, t2;
  11
  12   a = __builtin_bfin_compose_2x16 (0x5fff, 0xffff);
  13
  14   t = __builtin_bfin_negate_fr2x16 (a);
  15   t1 = __builtin_bfin_extract_hi (t);
  16   t2 = __builtin_bfin_extract_lo (t);
  17   if (t1 != -0x5fff || t2 != 0x1)
  18     abort ();
  19
  20   return 0;
  21 }
  22