gcc/testsuite/gcc.dg/vect/vect-63.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 __attribute__ ((noinline))
   9 int main1 ()
  10 {
  11   int i, j;
  12   int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13   int ia[N*2][4][N];
  14
  15   /* Multidimensional array. Aligned.
  16      The first dimension depends on j: use strided stores. */
  17   for (i = 0; i < N; i++)
  18     {
  19       for (j = 0; j < N; j++)
  20         {
  21            ia[i + j][1][j] = ib[i];
  22         }
  23     }
  24
  25   /* check results: */
  26   for (i = 0; i < N; i++)
  27     {
  28       for (j = 0; j < N; j++)
  29         {
  30            if (ia[i + j][1][j] != ib[i])
  31               abort();
  32         }
  33     }
  34
  35   return 0;
  36 }
  37
  38 int main (void)
  39 {
  40   check_vect ();
  41
  42   return main1 ();
  43 }
  44
  45 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */