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  #if VECTOR_BITS > 128
       8  #define N (VECTOR_BITS * 8 / 16)
       9  #else
      10  #define N 64
      11  #endif
      12  
      13  /* Modified rgb to rgb conversion from FFmpeg.  */
      14  __attribute__ ((noinline)) int
      15  foo (unsigned char *src, unsigned char *dst)
      16  {
      17    unsigned char *s = src;
      18    unsigned short *d = (unsigned short *)dst, res;
      19    int i, result = 0;
      20  
      21    for (i = 0; i < N/4; i++)
      22      {
      23        const int b = *s++;
      24        const int g = *s++;
      25        const int r = *s++;
      26        const int a = *s++;
      27        res = ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5));
      28        *d = res;
      29        result += res;
      30        d++;
      31      }
      32  
      33    s = src;
      34    d = (unsigned short *)dst;
      35    for (i = 0; i < N/4; i++)
      36      {
      37        const int b = *s++;
      38        const int g = *s++;
      39        const int r = *s++;
      40        const int a = *s++;
      41        if (*d != ((b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8) | (a>>5)))
      42          abort ();
      43        d++;
      44      }
      45  
      46    return result;
      47  }
      48  
      49  int main (void)
      50  {
      51    int i;
      52    unsigned char in[N], out[N];
      53  
      54    check_vect ();
      55  
      56    for (i = 0; i < N; i++)
      57      {
      58        in[i] = i;
      59        out[i] = 255;
      60        __asm__ volatile ("");
      61      }
      62  
      63    foo (in, out);
      64  
      65    return 0;
      66  }
      67  
      68  /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */
      69  /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */
      70  /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 5} "vect" } } */
      71  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
      72