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 16
       9  
      10  __attribute__ ((noinline)) void
      11  foo (short *src, int *dst)
      12  {
      13    int i;
      14    short b, b0, b1, b2, b3, *s = src;
      15    int *d = dst;
      16  
      17    for (i = 0; i < N/4; i++)
      18      {
      19        b0 = *s++;
      20        b1 = *s++;
      21        b2 = *s++;
      22        b3 = *s++;
      23        *d = b0 << C;
      24        d++;
      25        *d = b1 << C;
      26        d++;
      27        *d = b2 << C;
      28        d++;
      29        *d = b3 << C;
      30        d++;
      31      }
      32  
      33    s = src;
      34    d = dst;
      35    for (i = 0; i < N; i++)
      36      {
      37        b = *s++;
      38        if (*d != b << C)
      39          abort ();
      40        d++;
      41      }
      42  
      43    s = src;
      44    d = dst;
      45    for (i = 0; i < N/4; i++)
      46      {
      47        b0 = *s++;
      48        b1 = *s++;
      49        b2 = *s++;
      50        b3 = *s++;
      51        *d = b0 << C;
      52        d++;
      53        *d = b1 << C;
      54        d++;
      55        *d = b2 << C;
      56        d++;
      57        *d = b3 << 6;
      58        d++;
      59      }
      60  
      61    s = src;
      62    d = dst;
      63    for (i = 0; i < N/4; i++)
      64      {
      65        b = *s++;
      66        if (*d != b << C)
      67          abort ();
      68        d++;
      69        b = *s++;
      70        if (*d != b << C)
      71          abort ();
      72        d++;
      73        b = *s++;
      74        if (*d != b << C)
      75          abort ();
      76        d++;
      77        b = *s++;
      78        if (*d != b << 6)
      79          abort ();
      80        d++;
      81      }
      82  }
      83  
      84  int main (void)
      85  {
      86    int i;
      87    short in[N];
      88    int out[N];
      89  
      90    check_vect ();
      91  
      92    for (i = 0; i < N; i++)
      93      {
      94        in[i] = i;
      95        out[i] = 255;
      96        __asm__ volatile ("");
      97      }
      98  
      99    foo (in, out);
     100  
     101    return 0;
     102  }
     103  
     104  /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 8 "vect" { target vect_widen_shift } } } */
     105  /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
     106