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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/ciField.hpp
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@ -138,10 +138,18 @@ public:
// Get the constant value of this field.
ciConstant constant_value() {
assert(is_constant(), "illegal call to constant_value()");
assert(is_static() && is_constant(), "illegal call to constant_value()");
return _constant_value;
}
// Get the constant value of non-static final field in the given
// object.
ciConstant constant_value_of(ciObject* object) {
assert(!is_static() && is_constant(), "only if field is non-static constant");
assert(object->is_instance(), "must be instance");
return object->as_instance()->field_value(this);
}
// Check for link time errors. Accessing a field from a
// certain class via a certain bytecode may or may not be legal.
// This call checks to see if an exception may be raised by