gcc/testsuite/gcc.dg/pr62070.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fno-tree-vectorize" } */
   3
   4 int in[8][4];
   5 int out[4];
   6
   7 void
   8 foo (void)
   9 {
  10   int sum = 1;
  11   int i, j, k;
  12   for (k = 0; k < 4; k++)
  13     {
  14       for (j = 0; j < 4; j++)
  15         for (i = 0; i < 4; i++)
  16           sum *= in[i + k][j];
  17       out[k] = sum;
  18     }
  19 }