jdk8-mips64-public/hotspot: src/share/vm/opto/mathexactnode.hpp@da862781b584 (annotated)

src/share/vm/opto/mathexactnode.hpp@da862781b584 (annotated)

src/share/vm/opto/mathexactnode.hpp

Thu, 21 Nov 2013 12:30:35 -0800

author: kvn
date: Thu, 21 Nov 2013 12:30:35 -0800
changeset 6485: da862781b584
parent 6102: b957c650babb
child 6375: 085b304a1cc5
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_OPTO_MATHEXACTNODE_HPP
 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP
 #include "opto/multnode.hpp"
 #include "opto/node.hpp"
 #include "opto/subnode.hpp"
 #include "opto/type.hpp"
 class BoolNode;
 class IfNode;
 class Node;
 class PhaseGVN;
 class PhaseTransform;
 class MathExactNode : public MultiNode {
 public:
   MathExactNode(Node* ctrl, Node* in1);
   MathExactNode(Node* ctrl, Node* in1, Node* in2);
   enum {
     result_proj_node = 0,
     flags_proj_node = 1
   };
   virtual int Opcode() const;
   virtual Node* Identity(PhaseTransform* phase) { return this; }
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape) { return NULL; }
   virtual const Type* Value(PhaseTransform* phase) const { return bottom_type(); }
   virtual uint hash() const { return NO_HASH; }
   virtual bool is_CFG() const { return false; }
   virtual uint ideal_reg() const { return NotAMachineReg; }
   ProjNode* result_node() const { return proj_out(result_proj_node); }
   ProjNode* flags_node() const { return proj_out(flags_proj_node); }
   Node* control_node() const;
   Node* non_throwing_branch() const;
 protected:
   IfNode* if_node() const;
   BoolNode* bool_node() const;
   Node* no_overflow(PhaseGVN *phase, Node* new_result);
 };
 class MathExactINode : public MathExactNode {
  public:
   MathExactINode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {}
   MathExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* match(const ProjNode* proj, const Matcher* m);
   virtual const Type* bottom_type() const { return TypeTuple::INT_CC_PAIR; }
 };
 class MathExactLNode : public MathExactNode {
 public:
   MathExactLNode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {}
   MathExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* match(const ProjNode* proj, const Matcher* m);
   virtual const Type* bottom_type() const { return TypeTuple::LONG_CC_PAIR; }
 };
 class AddExactINode : public MathExactINode {
 public:
   AddExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
 };
 class AddExactLNode : public MathExactLNode {
 public:
   AddExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class SubExactINode : public MathExactINode {
 public:
   SubExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class SubExactLNode : public MathExactLNode {
 public:
   SubExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class NegExactINode : public MathExactINode {
 public:
   NegExactINode(Node* ctrl, Node* in1) : MathExactINode(ctrl, in1) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class NegExactLNode : public MathExactLNode {
 public:
   NegExactLNode(Node* ctrl, Node* in1) : MathExactLNode(ctrl, in1) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class MulExactINode : public MathExactINode {
 public:
   MulExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class MulExactLNode : public MathExactLNode {
 public:
   MulExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {}
   virtual int Opcode() const;
   virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
 };
 class FlagsProjNode : public ProjNode {
 public:
   FlagsProjNode(Node* src, uint con) : ProjNode(src, con) {
     init_class_id(Class_FlagsProj);
   }
   virtual int Opcode() const;
   virtual bool is_CFG() const { return false; }
   virtual const Type* bottom_type() const { return TypeInt::CC; }
   virtual uint ideal_reg() const { return Op_RegFlags; }
 };
 #endif

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/opto/mathexactnode.hpp@da862781b584 (annotated)

src/share/vm/opto/mathexactnode.hpp