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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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8
hotspot/src/share/vm/ci/ciMethod.hpp
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@ -38,6 +38,8 @@ class ciMethod : public ciObject {
CI_PACKAGE_ACCESS
friend class ciEnv;
friend class ciExceptionHandlerStream;
friend class ciBytecodeStream;
friend class ciMethodHandle;
private:
// General method information.
@ -251,4 +253,10 @@ class ciMethod : public ciObject {
// Print the name of this method in various incarnations.
void print_name(outputStream* st = tty);
void print_short_name(outputStream* st = tty);
methodOop get_method_handle_target() {
klassOop receiver_limit_oop = NULL;
int flags = 0;
return MethodHandles::decode_method(get_oop(), receiver_limit_oop, flags);
}
};