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