--- a/hotspot/src/share/vm/opto/memnode.hpp Fri Mar 06 21:36:50 2009 -0800
+++ b/hotspot/src/share/vm/opto/memnode.hpp Mon Mar 09 03:17:11 2009 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -207,6 +207,19 @@
virtual BasicType memory_type() const { return T_BYTE; }
};
+//------------------------------LoadUBNode-------------------------------------
+// Load a unsigned byte (8bits unsigned) from memory
+class LoadUBNode : public LoadNode {
+public:
+ LoadUBNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeInt* ti = TypeInt::UBYTE )
+ : LoadNode(c, mem, adr, at, ti) {}
+ virtual int Opcode() const;
+ virtual uint ideal_reg() const { return Op_RegI; }
+ virtual Node* Ideal(PhaseGVN *phase, bool can_reshape);
+ virtual int store_Opcode() const { return Op_StoreB; }
+ virtual BasicType memory_type() const { return T_BYTE; }
+};
+
//------------------------------LoadUSNode-------------------------------------
// Load an unsigned short/char (16bits unsigned) from memory
class LoadUSNode : public LoadNode {
@@ -232,6 +245,18 @@
virtual BasicType memory_type() const { return T_INT; }
};
+//------------------------------LoadUI2LNode-----------------------------------
+// Load an unsigned integer into long from memory
+class LoadUI2LNode : public LoadNode {
+public:
+ LoadUI2LNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeLong* t = TypeLong::UINT)
+ : LoadNode(c, mem, adr, at, t) {}
+ virtual int Opcode() const;
+ virtual uint ideal_reg() const { return Op_RegL; }
+ virtual int store_Opcode() const { return Op_StoreL; }
+ virtual BasicType memory_type() const { return T_LONG; }
+};
+
//------------------------------LoadRangeNode----------------------------------
// Load an array length from the array
class LoadRangeNode : public LoadINode {