1 /*

     2  * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2009 Red Hat, Inc.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    25 

    26 #ifndef SHARE_VM_SHARK_SHARKINTRINSICS_HPP

    27 #define SHARE_VM_SHARK_SHARKINTRINSICS_HPP

    28 

    29 #include "ci/ciMethod.hpp"

    30 #include "memory/allocation.hpp"

    31 #include "shark/llvmHeaders.hpp"

    32 #include "shark/sharkState.hpp"

    33 

    34 class SharkIntrinsics : public SharkTargetInvariants {

    35  public:

    36   static bool is_intrinsic(ciMethod* target);

    37   static void inline_intrinsic(ciMethod* target, SharkState* state);

    38 

    39  private:

    40   SharkIntrinsics(SharkState* state, ciMethod* target)

    41     : SharkTargetInvariants(state, target), _state(state) {}

    42 

    43  private:

    44   SharkState* _state;

    45 

    46  private:

    47   SharkState* state() const {

    48     return _state;

    49   }

    50 

    51  private:

    52   void do_intrinsic();

    53 

    54  private:

    55   void do_Math_minmax(llvm::ICmpInst::Predicate p);

    56   void do_Math_1to1(llvm::Value* function);

    57   void do_Math_2to1(llvm::Value* function);

    58   void do_Object_getClass();

    59   void do_System_currentTimeMillis();

    60   void do_Thread_currentThread();

    61   void do_Unsafe_compareAndSetInt();

    62 };

    63 

    64 #endif // SHARE_VM_SHARK_SHARKINTRINSICS_HPP