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 512
       8  
       9  /* Modified rgb to rgb conversion from FFmpeg.  */
      10  __attribute__ ((noinline)) int
      11  foo (unsigned char *src, unsigned char *dst)
      12  {
      13    unsigned char *s = src;
      14    unsigned short *d = (unsigned short *)dst, res;
      15    int i, result = 0;
      16  
      17    for (i = 0; i < N/4; i++)
      18      {
      19        const int b = *s++;
      20        const int g = *s++;
      21        const int r = *s++;
      22        const int a = *s++;
      23        res = ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5));
      24        *d = res;
      25        result += res;
      26        d++;
      27      }
      28  
      29    s = src;
      30    d = (unsigned short *)dst;
      31    for (i = 0; i < N/4; i++)
      32      {
      33        const int b = *s++;
      34        const int g = *s++;
      35        const int r = *s++;
      36        const int a = *s++;
      37        if (*d != ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5)))
      38          abort ();
      39        d++;
      40      }
      41  
      42    return result;
      43  }
      44  
      45  int main (void)
      46  {
      47    int i;
      48    unsigned char in[N], out[N];
      49  
      50    check_vect ();
      51  
      52    for (i = 0; i < N; i++)
      53      {
      54        in[i] = i;
      55        out[i] = 255;
      56        __asm__ volatile ("");
      57      }
      58  
      59    foo (in, out);
      60  
      61    return 0;
      62  }
      63  
      64  /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */
      65  /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */
      66  /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 5} "vect" } } */
      67  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
      68