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diff src/share/vm/opto/subnode.hpp @ 8048:8b3da8d14c93

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7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob Summary: Add support for expensive nodes. Reviewed-by: kvn
author roland
date Tue, 12 Feb 2013 12:56:11 +0100
parents b9a9ed0f8eeb
children c59b7900a2bd
line wrap: on
line diff
--- a/src/share/vm/opto/subnode.hpp	Mon Feb 11 14:47:04 2013 -0800
+++ b/src/share/vm/opto/subnode.hpp	Tue Feb 12 12:56:11 2013 +0100
@@ -456,7 +456,10 @@
 //  Exponentiate a double
 class ExpDNode : public Node {
 public:
-  ExpDNode( Node *c, Node *in1 ) : Node(c, in1) {}
+  ExpDNode(Compile* C, Node *c, Node *in1) : Node(c, in1) {
+    init_flags(Flag_is_expensive);
+    C->add_expensive_node(this);
+  }
   virtual int Opcode() const;
   const Type *bottom_type() const { return Type::DOUBLE; }
   virtual uint ideal_reg() const { return Op_RegD; }
@@ -489,7 +492,10 @@
 // Raise a double to a double power
 class PowDNode : public Node {
 public:
-  PowDNode(Node *c, Node *in1, Node *in2  ) : Node(c, in1, in2) {}
+  PowDNode(Compile* C, Node *c, Node *in1, Node *in2 ) : Node(c, in1, in2) {
+    init_flags(Flag_is_expensive);
+    C->add_expensive_node(this);
+  }
   virtual int Opcode() const;
   const Type *bottom_type() const { return Type::DOUBLE; }
   virtual uint ideal_reg() const { return Op_RegD; }