Mercurial > hg > truffle
diff src/share/vm/opto/connode.hpp @ 643:c771b7f43bbf
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never
| author | twisti |
|---|---|
| date | Fri, 13 Mar 2009 11:35:17 -0700 |
| parents | 9c2ecc2ffb12 |
| children | 93c14e5562c4 |
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--- a/src/share/vm/opto/connode.hpp Thu Mar 12 10:37:46 2009 -0700 +++ b/src/share/vm/opto/connode.hpp Fri Mar 13 11:35:17 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 @@ -635,3 +635,23 @@ virtual uint ideal_reg() const { return Op_RegL; } virtual const Type* Value( PhaseTransform *phase ) const; }; + +//---------- PopCountINode ----------------------------------------------------- +// Population count (bit count) of an integer. +class PopCountINode : public Node { +public: + PopCountINode(Node* in1) : Node(0, in1) {} + virtual int Opcode() const; + const Type* bottom_type() const { return TypeInt::INT; } + virtual uint ideal_reg() const { return Op_RegI; } +}; + +//---------- PopCountLNode ----------------------------------------------------- +// Population count (bit count) of a long. +class PopCountLNode : public Node { +public: + PopCountLNode(Node* in1) : Node(0, in1) {} + virtual int Opcode() const; + const Type* bottom_type() const { return TypeInt::INT; } + virtual uint ideal_reg() const { return Op_RegI; } +};