Mercurial > hg > graal-jvmci-8
diff src/share/vm/opto/memnode.hpp @ 420:a1980da045cc
6462850: generate biased locking code in C2 ideal graph
Summary: Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
| author | kvn |
|---|---|
| date | Fri, 07 Nov 2008 09:29:38 -0800 |
| parents | 8261ee795323 |
| children | 3b5ac9e7e6ea |
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--- a/src/share/vm/opto/memnode.hpp Thu Nov 06 20:00:03 2008 -0800 +++ b/src/share/vm/opto/memnode.hpp Fri Nov 07 09:29:38 2008 -0800 @@ -632,6 +632,17 @@ 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 @@ 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; } };