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 "tree-vect.h"
       6  
       7  #define N 32
       8  #define COEF 32470
       9  #define COEF2 324700
      10  
      11  unsigned char in[N];
      12  int out[N];
      13  int out2[N];
      14  
      15  __attribute__ ((noinline)) void
      16  foo ()
      17  {
      18    int i;
      19  
      20    for (i = 0; i < N/2; i++)
      21      {
      22        out[2*i] = in[2*i] * COEF;
      23        out2[2*i] = in[2*i] + COEF2;
      24        out[2*i+1] = in[2*i+1] * COEF;
      25        out2[2*i+1] = in[2*i+1] + COEF2;
      26      }
      27  }
      28  
      29  int main (void)
      30  {
      31    int i;
      32  
      33    check_vect ();
      34  
      35    for (i = 0; i < N; i++)
      36      {
      37        in[i] = i;
      38        __asm__ volatile ("");
      39      }
      40  
      41    foo ();
      42  
      43    for (i = 0; i < N; i++)
      44      if (out[i] != in[i] * COEF || out2[i] != in[i] + COEF2)
      45        abort ();
      46  
      47    return 0;
      48  }
      49  
      50  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_hi_to_si } } } */
      51  /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { target vect_widen_mult_hi_to_si } } } */
      52  /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
      53  /* { dg-final { scan-tree-dump-times "pattern recognized" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
      54