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6893268: additional dynamic language related optimizations in C2

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C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.

Reviewed-by: kvn, never
This commit is contained in:
Christian Thalinger 2010-01-05 15:21:25 +01:00
parent 375527d84e
commit 47f2433a58
52 changed files with 1781 additions and 342 deletions
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10
hotspot/src/share/vm/ci/ciObject.hpp
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@ -131,10 +131,12 @@ public:
// What kind of ciObject is this?
virtual bool is_null_object() const { return false; }
virtual bool is_call_site() const { return false; }
virtual bool is_cpcache() const { return false; }
virtual bool is_instance() { return false; }
virtual bool is_method() { return false; }
virtual bool is_method_data() { return false; }
virtual bool is_method_handle() const { return false; }
virtual bool is_array() { return false; }
virtual bool is_obj_array() { return false; }
virtual bool is_type_array() { return false; }
@ -186,6 +188,10 @@ public:
assert(is_null_object(), "bad cast");
return (ciNullObject*)this;
}
ciCallSite* as_call_site() {
assert(is_call_site(), "bad cast");
return (ciCallSite*) this;
}
ciCPCache* as_cpcache() {
assert(is_cpcache(), "bad cast");
return (ciCPCache*) this;
@ -202,6 +208,10 @@ public:
assert(is_method_data(), "bad cast");
return (ciMethodData*)this;
}
ciMethodHandle* as_method_handle() {
assert(is_method_handle(), "bad cast");
return (ciMethodHandle*) this;
}
ciArray* as_array() {
assert(is_array(), "bad cast");
return (ciArray*)this;