jdk8-mips64-public/hotspot: src/share/vm/opto/mathexactnode.hpp@fc2c88ea11a9

8036588: VerifyFieldClosure fails instanceKlass:3133
Summary: Changed deopt live-pointer test to use returns-object instead of live-and-returns-object
Reviewed-by: iveresov, kvn, jrose

     1 /*

     2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP

    26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP

    28 #include "opto/multnode.hpp"

    29 #include "opto/node.hpp"

    30 #include "opto/addnode.hpp"

    31 #include "opto/subnode.hpp"

    32 #include "opto/type.hpp"

    34 class PhaseGVN;

    35 class PhaseTransform;

    37 class OverflowNode : public CmpNode {

    38 public:

    39   OverflowNode(Node* in1, Node* in2) : CmpNode(in1, in2) {}

    41   virtual uint ideal_reg() const { return Op_RegFlags; }

    42   virtual const Type* sub(const Type* t1, const Type* t2) const;

    43 };

    45 class OverflowINode : public OverflowNode {

    46 public:

    47   typedef TypeInt TypeClass;

    49   OverflowINode(Node* in1, Node* in2) : OverflowNode(in1, in2) {}

    50   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);

    51   virtual const Type* Value(PhaseTransform* phase) const;

    53   virtual bool will_overflow(jint v1, jint v2) const = 0;

    54   virtual bool can_overflow(const Type* t1, const Type* t2) const = 0;

    55 };

    58 class OverflowLNode : public OverflowNode {

    59 public:

    60   typedef TypeLong TypeClass;

    62   OverflowLNode(Node* in1, Node* in2) : OverflowNode(in1, in2) {}

    63   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);

    64   virtual const Type* Value(PhaseTransform* phase) const;

    66   virtual bool will_overflow(jlong v1, jlong v2) const = 0;

    67   virtual bool can_overflow(const Type* t1, const Type* t2) const = 0;

    68 };

    70 class OverflowAddINode : public OverflowINode {

    71 public:

    72   typedef AddINode MathOp;

    74   OverflowAddINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {}

    75   virtual int Opcode() const;

    77   virtual bool will_overflow(jint v1, jint v2) const;

    78   virtual bool can_overflow(const Type* t1, const Type* t2) const;

    79 };

    81 class OverflowSubINode : public OverflowINode {

    82 public:

    83   typedef SubINode MathOp;

    85   OverflowSubINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {}

    86   virtual int Opcode() const;

    88   virtual bool will_overflow(jint v1, jint v2) const;

    89   virtual bool can_overflow(const Type* t1, const Type* t2) const;

    90 };

    92 class OverflowMulINode : public OverflowINode {

    93 public:

    94   typedef MulINode MathOp;

    96   OverflowMulINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {}

    97   virtual int Opcode() const;

    99   virtual bool will_overflow(jint v1, jint v2) const;

   100   virtual bool can_overflow(const Type* t1, const Type* t2) const;

   101 };

   103 class OverflowAddLNode : public OverflowLNode {

   104 public:

   105   typedef AddLNode MathOp;

   107   OverflowAddLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {}

   108   virtual int Opcode() const;

   110   virtual bool will_overflow(jlong v1, jlong v2) const;

   111   virtual bool can_overflow(const Type* t1, const Type* t2) const;

   112 };

   114 class OverflowSubLNode : public OverflowLNode {

   115 public:

   116   typedef SubLNode MathOp;

   118   OverflowSubLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {}

   119   virtual int Opcode() const;

   121   virtual bool will_overflow(jlong v1, jlong v2) const;

   122   virtual bool can_overflow(const Type* t1, const Type* t2) const;

   123 };

   125 class OverflowMulLNode : public OverflowLNode {

   126 public:

   127   typedef MulLNode MathOp;

   129   OverflowMulLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {}

   130   virtual int Opcode() const;

   132   virtual bool will_overflow(jlong v1, jlong v2) const;

   133   virtual bool can_overflow(const Type* t1, const Type* t2) const;

   134 };

   136 #endif

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

src/share/vm/opto/mathexactnode.hpp@fc2c88ea11a9

src/share/vm/opto/mathexactnode.hpp