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6695049: (coll) Create an x86 intrinsic for Arrays.equals

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Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
This commit is contained in:
Chuck Rasbold 2008-05-29 16:22:09 -07:00
parent a1f50998ae
commit 2e672ac9bf
12 changed files with 225 additions and 1 deletions
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12
hotspot/src/share/vm/opto/memnode.hpp
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@ -725,6 +725,18 @@ public:
virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
};
//------------------------------AryEq---------------------------------------
class AryEqNode: public Node {
public:
AryEqNode(Node *control, Node* s1, Node* s2): Node(control, s1, s2) {};
virtual int Opcode() const;
virtual bool depends_only_on_test() const { return false; }
virtual const Type* bottom_type() const { return TypeInt::BOOL; }
virtual const TypePtr* adr_type() const { return TypeAryPtr::CHARS; }
virtual uint ideal_reg() const { return Op_RegI; }
virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
};
//------------------------------MemBar-----------------------------------------
// There are different flavors of Memory Barriers to match the Java Memory
// Model. Monitor-enter and volatile-load act as Aquires: no following ref