(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
vect/
pr37539.c
       1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  __attribute__ ((noinline)) void
       7  ayuv2yuyv_ref (int *d, int *src, int n)
       8  {
       9    char *dest = (char *)d;
      10    int i;
      11  
      12    for(i=0;i<n/2;i++){
      13      dest[i*4 + 0] = (src[i*2 + 0])>>16;
      14      dest[i*4 + 1] = (src[i*2 + 1])>>8;
      15      dest[i*4 + 2] = (src[i*2 + 0])>>16;
      16      dest[i*4 + 3] = (src[i*2 + 0])>>0;
      17    }
      18  
      19    /* Check results.  */
      20    for(i=0;i<n/2;i++){
      21     if (dest[i*4 + 0] != (src[i*2 + 0])>>16
      22         || dest[i*4 + 1] != (src[i*2 + 1])>>8
      23         || dest[i*4 + 2] != (src[i*2 + 0])>>16
      24         || dest[i*4 + 3] != (src[i*2 + 0])>>0) 
      25       abort();
      26    }
      27  }
      28  
      29  int main ()
      30  {
      31    int d[256], src[128], i;
      32   
      33    check_vect ();
      34  
      35    for (i = 0; i < 128; i++)
      36      src[i] = i; 
      37    
      38    ayuv2yuyv_ref(d, src, 128);
      39  
      40    return 0;
      41  }
      42  
      43  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target { vect_strided4 && vect_strided2 } } } } */
      44  
      45  
      46