gcc/testsuite/gcc.dg/pr28935.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -ftree-vectorize" } */
   3
   4 int col[8];
   5 int extend_options(int w, int h, int *map, int x, int y, int index)
   6 {
   7   int dx, dy;
   8   for (dx = -1; dx <= +1; dx++)
   9     {
  10       int index = (dy < 0 ? 6-dx : dy > 0 ? 2+dx : 2*(1+dx));
  11       if (x+dx >= 0 && x+dx < w && y+dy >= 0 && y+dy < h)
  12         col[index] = map[(y+dy)*w+(x+dx)];
  13       col[index] = -1;
  14     }
  15 }