1  /* { dg-do compile } */
       2  /* { dg-require-effective-target vect_int } */
       3  
       4  #include <stdarg.h>
       5  
       6  #define M00 100
       7  #define M10 216
       8  #define M01 1322
       9  #define M11 13
      10  #define M02 74
      11  #define M12 191
      12  
      13  #define N 16
      14  
      15  void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
      16  {
      17    unsigned int i, a, b, c, d, e, f;
      18  
      19    for (i = 0; i < N / 3; i++)
      20      {
      21         a = *pInput++;
      22         b = *pInput++;
      23         c = *pInput++;
      24         d = *pInput++;
      25         e = *pInput++;
      26         f = *pInput++;
      27  
      28         a = a + d;
      29         b = b + e;
      30         c = c + f;
      31  
      32         *pOutput++ = M00 * a + M01 * b + M02 * c;
      33         *pOutput++ = M10 * a + M11 * b + M12 * c;
      34      }
      35  }
      36  
      37