1  /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
       2  /* { dg-require-effective-target vect_int } */
       3  
       4  #include <stdarg.h>
       5  #include "tree-vect.h"
       6  
       7  #define N 64
       8  
       9  unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
      10  unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
      11  unsigned int result[N];
      12  
      13  /* unsigned char-> unsigned int widening-mult.  */
      14  __attribute__ ((noinline)) int
      15  foo (int len) {
      16    int i;
      17  
      18    for (i=0; i<len; i++) {
      19      result[i] = X[i] * Y[i];
      20    }
      21  }
      22  
      23  int main (void)
      24  {
      25    int i;
      26  
      27    check_vect ();
      28  
      29    for (i=0; i<N; i++) {
      30      X[i] = i;
      31      Y[i] = 64-i;
      32      __asm__ volatile ("");
      33    }
      34  
      35    foo (N);
      36  
      37    for (i=0; i<N; i++) {
      38      if (result[i] != X[i] * Y[i])
      39        abort ();
      40    }
      41  
      42    return 0;
      43  }
      44  
      45  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_mult_qi_to_hi || vect_unpack } } } } */
      46  /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
      47  /* { dg-final { scan-tree-dump-times "widen_mult pattern recognized" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
      48