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6462850: generate biased locking code in C2 ideal graph

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Inline biased locking code in C2 ideal graph during macro nodes expansion

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2008-11-07 09:29:38 -08:00
parent 2c3b8ec969
commit 7aae40a95f
25 changed files with 472 additions and 148 deletions
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13
hotspot/src/share/vm/opto/memnode.hpp
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@ -632,6 +632,17 @@ public:
virtual uint ideal_reg() const { return Op_RegFlags; }
};
//------------------------------StoreIConditionalNode---------------------------
// Conditionally store int to memory, if no change since prior
// load-locked. Sets flags for success or failure of the store.
class StoreIConditionalNode : public LoadStoreNode {
public:
StoreIConditionalNode( Node *c, Node *mem, Node *adr, Node *val, Node *ii ) : LoadStoreNode(c, mem, adr, val, ii) { }
virtual int Opcode() const;
// Produces flags
virtual uint ideal_reg() const { return Op_RegFlags; }
};
//------------------------------StoreLConditionalNode---------------------------
// Conditionally store long to memory, if no change since prior
// load-locked. Sets flags for success or failure of the store.
@ -639,6 +650,8 @@ class StoreLConditionalNode : public LoadStoreNode {
public:
StoreLConditionalNode( Node *c, Node *mem, Node *adr, Node *val, Node *ll ) : LoadStoreNode(c, mem, adr, val, ll) { }
virtual int Opcode() const;
// Produces flags
virtual uint ideal_reg() const { return Op_RegFlags; }
};