1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 16
       7  #define DOT16( a, b)   ( a[0]*b[0]   + a[1]*b[1]   + a[2]*b[2]   + a[3]*b[3] + \
       8  			 a[4]*b[4]   + a[5]*b[5]   + a[6]*b[6]   + a[7]*b[7] + \
       9  			 a[8]*b[8]   + a[9]*b[9]   + a[10]*b[10] + a[11]*b[11] + \
      10  			 a[12]*b[12] + a[13]*b[13] + a[14]*b[14] + a[15]*b[15])
      11  
      12  __attribute__ ((noinline))
      13  int main1 (int ia[][N])
      14  {
      15    int i, j;
      16    int ib[N] = {0,3,6,9};
      17    int ic[N][N];
      18  
      19    for (i = 0; i < N; i++)
      20      {
      21  	ic[0][i] = DOT16 (ia[i], ib);
      22      }
      23  
      24    /* check results: */
      25    for (i = 0; i < N; i++)
      26      {
      27         if (ic[0][i] != DOT16 (ia[i], ib))
      28             abort ();
      29      }
      30  
      31    return 0;
      32  }
      33  
      34  int main (void)
      35  {
      36    int ia[N][N];
      37    int i,j;
      38    for (i = 0; i < N; i++)
      39      for (j = 0; j < N; j++)
      40        {
      41          ia[i][j] = i + j + 1;
      42  	asm volatile ("" ::: "memory");
      43        }
      44  
      45    check_vect ();
      46  
      47    return main1 (ia);
      48  }
      49  
      50  /* Needs interleaving support.  */
      51  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided4 } } } */
      52  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { xfail  vect_strided4 } } } */