In testcase a NULL escaped ...
ChangeLog testsuite
2014-05-31 Kai Tietz <kti...@redhat.com>
* gcc.target/i386/sibcall-6.c: New test.
Index: gcc.target/i386/sibcall-6.c
===================================================================
--- gcc.target/i386/sibcall-6.c (Revision 0)
+++ gcc.target/i386/sibcall-6.c (Arbeitskopie)
@@ -0,0 +1,37 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ia32 } */
+/* { dg-options "-O2" } */
+
+typedef void *ira_loop_tree_node_t;
+
+extern int end (int);
+extern int doo (int);
+
+void
+ira_traverse_loop_tree (int bb_p, ira_loop_tree_node_t loop_node,
+ void (*preorder_func) (ira_loop_tree_node_t),
+ void (*postorder_func) (ira_loop_tree_node_t))
+{
+ int l, r = 0x1, h = 0, j = 0;
+
+ if (preorder_func)
+ (*preorder_func) (loop_node);
+
+ if (bb_p)
+ {
+ for (l = 0; l < end (l); l++)
+ {
+ r += doo (l);
+ h += (l + 1) * 3;
+ h %= (l + 1);
+ r -= doo (h);
+ j += (l + 1) * 7;
+ j %= (l + 1);
+ r += doo (j);
+ }
+ }
+
+ if (postorder_func)
+ (*postorder_func) (loop_node);
+}
+/* { dg-final { scan-assembler "jmp[ \t]*.%eax" } } */
