Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/memnode.hpp @ 681:fbde8ec322d0
6761600: Use sse 4.2 in intrinsics
Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose
author | cfang |
---|---|
date | Tue, 31 Mar 2009 14:07:08 -0700 |
parents | 7bb995fbd3c0 |
children | 685e959d09ea |
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--- a/src/share/vm/opto/memnode.hpp Tue Mar 31 10:02:01 2009 -0700 +++ b/src/share/vm/opto/memnode.hpp Tue Mar 31 14:07:08 2009 -0700 @@ -765,6 +765,54 @@ 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: