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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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52
hotspot/src/share/vm/ci/ciMethodHandle.cpp Normal file
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/*
* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
#include "incls/_precompiled.incl"
#include "incls/_ciMethodHandle.cpp.incl"
// ciMethodHandle
// ------------------------------------------------------------------
// ciMethodHandle::get_adapter
//
// Return an adapter for this MethodHandle.
ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const {
VM_ENTRY_MARK;
Handle h(get_oop());
methodHandle callee(_callee->get_methodOop());
MethodHandleCompiler mhc(h, callee, is_invokedynamic, THREAD);
methodHandle m = mhc.compile(CHECK_NULL);
return CURRENT_ENV->get_object(m())->as_method();
}
// ------------------------------------------------------------------
// ciMethodHandle::print_impl
//
// Implementation of the print method.
void ciMethodHandle::print_impl(outputStream* st) {
st->print(" type=");
get_oop()->print();
}