gcc/testsuite/c-c++-common/vector-init-2.c

   1 /* { dg-do run } */
   2
   3 /* PR C/31499, test that the C front-end treats vectors like an array
   4    and that it works at runtime. */
   5
   6 #define vector __attribute__((__vector_size__(4*sizeof(int)) ))
   7 vector signed int v1[]={0,1,2,3,4,5,6,7};
   8
   9
  10 int main(void)
  11 {
  12   int i;
  13   for (i = 0; i < sizeof(v1)/sizeof(v1[0]); i++)
  14   {
  15     vector int t = v1[i];
  16     int *d = (int*)&t;
  17     int j;
  18     for (j = 0; j < 4; j++)
  19       {
  20         if (d[j] != i * 4 + j)
  21           __builtin_abort ();
  22       }
  23   }
  24   return 0;
  25 }