gcc/testsuite/gcc.target/i386/sibcall-6.c

   1 /* { dg-do compile { target ia32 } } */
   2 /* { dg-require-effective-target nonpic } */
   3 /* { dg-options "-O2" } */
   4
   5 typedef void *ira_loop_tree_node_t;
   6
   7 extern int end (int);
   8 extern int doo (int);
   9
  10 void
  11 ira_traverse_loop_tree (int bb_p, ira_loop_tree_node_t loop_node,
  12                         void (*preorder_func) (ira_loop_tree_node_t),
  13                         void (*postorder_func) (ira_loop_tree_node_t))
  14 {
  15   int l, r = 0x1, h = 0, j = 0;
  16
  17   if (preorder_func)
  18     (*preorder_func) (loop_node);
  19
  20   if (bb_p)
  21     {
  22       for (l = 0; l < end (l); l++)
  23         {
  24           r += doo (l);
  25           h += (l + 1) * 3;
  26           h %= (l + 1);
  27           r -= doo (h);
  28           j += (l + 1) * 7;
  29           j %= (l + 1);
  30           r += doo (j);
  31         }
  32     }
  33
  34   if (postorder_func)
  35     (*postorder_func) (loop_node);
  36 }
  37 /* { dg-final { scan-assembler "jmp\[ \t\]*.%eax" } } */