gcc/testsuite/gcc.target/powerpc/vec-cntlzm-1.c

   1 /* { dg-do run { target { power10_hw } } } */
   2 /* { dg-do link { target { ! power10_hw } } } */
   3 /* { dg-require-effective-target power10_ok } */
   4 /* { dg-options "-mdejagnu-cpu=power10" } */
   5
   6 #include <altivec.h>
   7
   8 extern void abort (void);
   9
  10 vector unsigned long long int
  11 do_vec_cntlzm (vector unsigned long long int source,
  12              vector unsigned long long int mask)
  13 {
  14   return vec_cntlzm (source, mask);
  15 }
  16
  17 int main (int argc, char *argv [])
  18 {
  19   vector unsigned long long int source_a = { 0xa5f07e3cull, 0x7e3ca5f0ull };
  20   vector unsigned long long int source_b = { 0x3ca5f07eull, 0x5a0fe7c3ull };
  21
  22   vector unsigned long long int mask_a = { 0xffff0000ull, 0x0000ffffull };
  23   vector unsigned long long int mask_b = { 0x0f0f0f0full, 0xf0f0f0f0ull };
  24
  25   /* See cntlzdm-0.c for derivation of expected results.
  26
  27      result_aa [0] is compute (source [0], mask [0];
  28      result_aa [1] is compute (source [1], mask [1].
  29
  30      result_ab [0] is compute (source [0], mask [2];
  31      result_ab [1] is compute (source [1], mask [3].
  32
  33      result_ba [0] is compute (source [2], mask [0];
  34      result_ba [1] is compute (source [3], mask [1].
  35
  36      result_bb [0] is compute (source [2], mask [2];
  37      result_bb [1] is compute (source [3], mask [3].  */
  38
  39   vector unsigned long long int result_aa = { 0, 0 };
  40   vector unsigned long long int result_ab = { 1, 1 };
  41   vector unsigned long long int result_ba = { 2, 0 };
  42   vector unsigned long long int result_bb = { 0, 1 };
  43
  44   if (!vec_all_eq (do_vec_cntlzm (source_a, mask_a), result_aa))
  45     abort ();
  46   if (!vec_all_eq (do_vec_cntlzm (source_a, mask_b), result_ab))
  47     abort ();
  48   if (!vec_all_eq (do_vec_cntlzm (source_b, mask_a), result_ba))
  49     abort ();
  50   if (!vec_all_eq (do_vec_cntlzm (source_b, mask_b), result_bb))
  51     abort ();
  52
  53   return 0;
  54 }
  55