1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #if VECTOR_BITS > 128
       7  #define N (VECTOR_BITS * 2 / 16)
       8  #else
       9  #define N 16
      10  #endif
      11  
      12  unsigned char udata_ch[N] =
      13    { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 };
      14  #define SUM 210
      15  
      16  __attribute__ ((noinline)) int
      17  foo ()
      18  {
      19    int i;
      20    unsigned int intsum = 0;
      21  
      22    /* widenning sum: sum chars into int.  */
      23    for (i = 0; i < N; i++)
      24      {
      25        intsum += udata_ch[i];
      26      }
      27  
      28    /* check results:  */
      29    if (intsum != SUM)
      30      abort ();
      31  
      32    return 0;
      33  }
      34  
      35  int
      36  main (void)
      37  {
      38    check_vect ();
      39    return foo ();
      40  }
      41  
      42  /* { dg-final { scan-tree-dump "vect_recog_widen_sum_pattern: detected" "vect"} } */
      43  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_sum_qi_to_si || vect_unpack } } } } */
      44  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { { ! vect_widen_sum_qi_to_si } && { ! vect_unpack } } } } } */