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diff src/share/vm/opto/node.cpp @ 3788:e3cbc9ddd434

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7044738: Loop unroll optimization causes incorrect result Summary: take into account memory dependencies when clonning nodes in clone_up_backedge_goo(). Reviewed-by: never
author kvn
date Tue, 28 Jun 2011 15:24:29 -0700
parents 1d1603768966
children 35acf8f0a2e4
line wrap: on
line diff
--- a/src/share/vm/opto/node.cpp	Tue Jun 28 15:04:39 2011 -0700
+++ b/src/share/vm/opto/node.cpp	Tue Jun 28 15:24:29 2011 -0700
@@ -2012,6 +2012,16 @@
   _inode_top = _inodes + old_top;        // restore _top
 }
 
+// Node_Stack is used to map nodes.
+Node* Node_Stack::find(uint idx) const {
+  uint sz = size();
+  for (uint i=0; i < sz; i++) {
+    if (idx == index_at(i) )
+      return node_at(i);
+  }
+  return NULL;
+}
+
 //=============================================================================
 uint TypeNode::size_of() const { return sizeof(*this); }
 #ifndef PRODUCT