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6761600: Use sse 4.2 in intrinsics

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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
This commit is contained in:
Changpeng Fang 2009-03-31 14:07:08 -07:00
parent aee9449305
commit c0d62ad9e6
18 changed files with 1297 additions and 192 deletions
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48
hotspot/src/share/vm/opto/memnode.hpp
View file

@ -765,6 +765,54 @@ public:
virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
};
//------------------------------StrEquals-------------------------------------
class StrEqualsNode: public Node {
public:
StrEqualsNode(Node *control,
Node* char_array_mem,
Node* value_mem,
Node* count_mem,
Node* offset_mem,
Node* s1, Node* s2): Node(control,
char_array_mem,
value_mem,
count_mem,
offset_mem,
s1, s2) {};
virtual int Opcode() const;
virtual bool depends_only_on_test() const { return false; }
virtual const Type* bottom_type() const { return TypeInt::BOOL; }
// a StrEqualsNode (conservatively) aliases with everything:
virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }
virtual uint match_edge(uint idx) const;
virtual uint ideal_reg() const { return Op_RegI; }
virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
};
//------------------------------StrIndexOf-------------------------------------
class StrIndexOfNode: public Node {
public:
StrIndexOfNode(Node *control,
Node* char_array_mem,
Node* value_mem,
Node* count_mem,
Node* offset_mem,
Node* s1, Node* s2): Node(control,
char_array_mem,
value_mem,
count_mem,
offset_mem,
s1, s2) {};
virtual int Opcode() const;
virtual bool depends_only_on_test() const { return false; }
virtual const Type* bottom_type() const { return TypeInt::INT; }
// a StrIndexOfNode (conservatively) aliases with everything:
virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }
virtual uint match_edge(uint idx) const;
virtual uint ideal_reg() const { return Op_RegI; }
virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
};
//------------------------------AryEq---------------------------------------
class AryEqNode: public Node {
public: