1  /* { dg-require-effective-target vect_int } */
       2  /* { dg-require-effective-target vect_shift } */
       3  
       4  #include <stdarg.h>
       5  #include "tree-vect.h"
       6  
       7  #define N 64
       8  #define C 7
       9  
      10  __attribute__ ((noinline)) void
      11  foo (unsigned short *src, unsigned int *dst)
      12  {
      13    int i;
      14    unsigned short b, *s = src;
      15    unsigned int *d = dst;
      16  
      17    for (i = 0; i < N; i++)
      18      {
      19        b = *s++;
      20        *d = b << C;
      21        d++;
      22      }
      23  
      24    s = src;
      25    d = dst;
      26    for (i = 0; i < N; i++)
      27      {
      28        b = *s++;
      29        if (*d != b << C)
      30          abort ();
      31        d++;
      32      }
      33  }
      34  
      35  int main (void)
      36  {
      37    int i;
      38    unsigned short in[N];
      39    unsigned int out[N];
      40  
      41    check_vect ();
      42  
      43    for (i = 0; i < N; i++)
      44      {
      45        in[i] = i;
      46        out[i] = 255;
      47        __asm__ volatile ("");
      48      }
      49  
      50    foo (in, out);
      51  
      52    return 0;
      53  }
      54  
      55  /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 1 "vect" { target vect_widen_shift } } } */
      56  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
      57