jdk8-mips64-public/hotspot: src/share/vm/shark/sharkConstant.hpp@d2ede61b7a12

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>

     1 /*

     2  * Copyright (c) 1999, 2007, 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  */

    26 class SharkConstant : public ResourceObj {

    27  public:

    28   static SharkConstant* for_ldc(ciBytecodeStream* iter);

    29   static SharkConstant* for_field(ciBytecodeStream* iter);

    31  private:

    32   SharkConstant(ciConstant constant, ciType* type);

    34  private:

    35   SharkValue* _value;

    36   ciObject*   _object;

    37   ciType*     _type;

    38   bool        _is_loaded;

    39   bool        _is_nonzero;

    40   bool        _is_two_word;

    42  public:

    43   bool is_loaded() const {

    44     return _is_loaded;

    45   }

    46   bool is_nonzero() const {

    47     assert(is_loaded(), "should be");

    48     return _is_nonzero;

    49   }

    50   bool is_two_word() const {

    51     assert(is_loaded(), "should be");

    52     return _is_two_word;

    53   }

    55  public:

    56   SharkValue* value(SharkBuilder* builder) {

    57     assert(is_loaded(), "should be");

    58     if (_value == NULL) {

    59       _value = SharkValue::create_generic(

    60         _type, builder->CreateInlineOop(_object), _is_nonzero);

    61     }

    62     return _value;

    63   }

    64 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/shark/sharkConstant.hpp@d2ede61b7a12

src/share/vm/shark/sharkConstant.hpp