Mercurial > hg > truffle
diff src/share/vm/opto/memnode.hpp @ 6848:8e47bac5643a
7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Tue, 09 Oct 2012 10:11:38 +0200 |
| parents | 7eca5de9e0b6 |
| children | f6badecb7ea7 |
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--- a/src/share/vm/opto/memnode.hpp Mon Oct 08 17:04:00 2012 -0700 +++ b/src/share/vm/opto/memnode.hpp Tue Oct 09 10:11:38 2012 +0200 @@ -437,12 +437,12 @@ // Load a narrow Klass from an object. class LoadNKlassNode : public LoadNNode { public: - LoadNKlassNode( Node *c, Node *mem, Node *adr, const TypePtr *at, const TypeNarrowOop *tk ) + LoadNKlassNode( Node *c, Node *mem, Node *adr, const TypePtr *at, const TypeNarrowKlass *tk ) : LoadNNode(c,mem,adr,at,tk) {} virtual int Opcode() const; virtual uint ideal_reg() const { return Op_RegN; } - virtual int store_Opcode() const { return Op_StoreN; } - virtual BasicType memory_type() const { return T_NARROWOOP; } + virtual int store_Opcode() const { return Op_StoreNKlass; } + virtual BasicType memory_type() const { return T_NARROWKLASS; } virtual const Type *Value( PhaseTransform *phase ) const; virtual Node *Identity( PhaseTransform *phase ); @@ -593,6 +593,15 @@ virtual BasicType memory_type() const { return T_NARROWOOP; } }; +//------------------------------StoreNKlassNode-------------------------------------- +// Store narrow klass to memory +class StoreNKlassNode : public StoreNNode { +public: + StoreNKlassNode( Node *c, Node *mem, Node *adr, const TypePtr* at, Node *val ) : StoreNNode(c,mem,adr,at,val) {} + virtual int Opcode() const; + virtual BasicType memory_type() const { return T_NARROWKLASS; } +}; + //------------------------------StoreCMNode----------------------------------- // Store card-mark byte to memory for CM // The last StoreCM before a SafePoint must be preserved and occur after its "oop" store