* bb-reorder.c (reorder_basic_blocks): Don't check for EH edges

[pf3gnuchains/gcc-fork.git] / gcc / bb-reorder.c

diff --git a/gcc/bb-reorder.c b/gcc/bb-reorder.c
index d2ea95d..45b5f2f 100644 (file)
--- a/gcc/bb-reorder.c
+++ b/gcc/bb-reorder.c
@@ -1346,14 +1346,16 @@ reorder_basic_blocks ()
   if (n_basic_blocks <= 1)
     return;
 
-  /* We do not currently handle correct re-placement of EH notes.  */
-  for (i = 0; i < n_basic_blocks; i++)
-    {
-      edge e;
-      for (e = BASIC_BLOCK (i)->succ; e ; e = e->succ_next)
-        if (e->flags & EDGE_EH)
-         return;
-    }
+  /* We do not currently handle correct re-placement of EH notes.
+     But that does not matter unless we intend to use them.  */
+  if (flag_exceptions && ! exceptions_via_longjmp)
+    for (i = 0; i < n_basic_blocks; i++)
+      {
+       edge e;
+       for (e = BASIC_BLOCK (i)->succ; e ; e = e->succ_next)
+         if (e->flags & EDGE_EH)
+           return;
+      }
 
   for (i = 0; i < n_basic_blocks; i++)
     BASIC_BLOCK (i)->aux = xcalloc (1, sizeof (struct reorder_block_def));