hotspot/src/share/vm/shark/sharkIntrinsics.hpp
author twisti
Wed, 11 Aug 2010 05:51:21 -0700
changeset 6187 4fa7845f7c14
child 7397 5b173b4ca846
permissions -rw-r--r--
6976186: integrate Shark HotSpot changes Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure. Reviewed-by: kvn, twisti Contributed-by: Gary Benson <gbenson@redhat.com>
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/*
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 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2009 Red Hat, Inc.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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class SharkIntrinsics : public SharkTargetInvariants {
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 public:
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  static bool is_intrinsic(ciMethod* target);
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  static void inline_intrinsic(ciMethod* target, SharkState* state);
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 private:
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  SharkIntrinsics(SharkState* state, ciMethod* target)
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    : SharkTargetInvariants(state, target), _state(state) {}
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 private:
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  SharkState* _state;
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 private:
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  SharkState* state() const {
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    return _state;
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  }
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 private:
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  void do_intrinsic();
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 private:
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  void do_Math_minmax(llvm::ICmpInst::Predicate p);
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  void do_Math_1to1(llvm::Value* function);
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  void do_Math_2to1(llvm::Value* function);
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  void do_Object_getClass();
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  void do_System_currentTimeMillis();
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  void do_Thread_currentThread();
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  void do_Unsafe_compareAndSwapInt();
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};