Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/memnode.hpp @ 7637:b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Summary: Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland
| author | kvn |
|---|---|
| date | Tue, 22 Jan 2013 15:34:16 -0800 |
| parents | d804e148cff8 |
| children | 6931f425c517 |
line wrap: on
line diff
--- a/src/share/vm/opto/memnode.hpp Tue Jan 22 11:31:25 2013 -0800 +++ b/src/share/vm/opto/memnode.hpp Tue Jan 22 15:34:16 2013 -0800 @@ -888,6 +888,22 @@ virtual const Type* bottom_type() const { return TypeInt::BOOL; } }; + +//------------------------------EncodeISOArray-------------------------------- +// encode char[] to byte[] in ISO_8859_1 +class EncodeISOArrayNode: public Node { +public: + EncodeISOArrayNode(Node *control, Node* arymem, Node* s1, Node* s2, Node* c): Node(control, arymem, s1, s2, c) {}; + virtual int Opcode() const; + virtual bool depends_only_on_test() const { return false; } + virtual const Type* bottom_type() const { return TypeInt::INT; } + 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); + virtual const Type *Value(PhaseTransform *phase) const; +}; + //------------------------------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