1  /* Disabling epilogues until we find a better way to deal with scans.  */
       2  /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
       3  /* { dg-require-effective-target vect_int } */
       4  
       5  #include <stdarg.h>
       6  #include "tree-vect.h"
       7  
       8  #if VECTOR_BITS > 128
       9  #define N (VECTOR_BITS * 2 / 16)
      10  #else
      11  #define N 16
      12  #endif
      13  
      14  signed short data_sh[N] =
      15    { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 };
      16  #define SUM 210
      17  
      18  __attribute__ ((noinline)) int
      19  foo ()
      20  {
      21    int i;
      22    signed int intsum = 0;
      23  
      24    /* widenning sum: sum shorts into int.  */
      25    for (i = 0; i < N; i++)
      26      {
      27        intsum += data_sh[i];
      28      }
      29  
      30    /* check results:  */
      31    if (intsum != SUM)
      32      abort ();
      33  
      34    return 0;
      35  }
      36  
      37  int
      38  main (void)
      39  {
      40    check_vect ();
      41    return foo ();
      42  }
      43  
      44  /* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */
      45  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */
      46  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_hi_to_si } } } } */