jdk8-mips64-public/hotspot: src/share/vm/opto/vectornode.hpp@2113136690bc (annotated)

src/share/vm/opto/vectornode.hpp@2113136690bc (annotated)

src/share/vm/opto/vectornode.hpp

Fri, 15 Nov 2013 11:05:32 -0800

author: goetz
date: Fri, 15 Nov 2013 11:05:32 -0800
changeset 6479: 2113136690bc
parent 4134: 859c45fb8cea
child 6876: 710a3c8b516e
child 7859: c1c199dde5c9
permissions: -rw-r--r--

8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering
Summary: Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it.
Reviewed-by: kvn

 /*
  * Copyright (c) 2007, 2012, 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_VECTORNODE_HPP
 #define SHARE_VM_OPTO_VECTORNODE_HPP
 #include "opto/matcher.hpp"
 #include "opto/memnode.hpp"
 #include "opto/node.hpp"
 #include "opto/opcodes.hpp"
 //------------------------------VectorNode-------------------------------------
 // Vector Operation
 class VectorNode : public TypeNode {
  public:
   VectorNode(Node* n1, const TypeVect* vt) : TypeNode(vt, 2) {
     init_class_id(Class_Vector);
     init_req(1, n1);
   }
   VectorNode(Node* n1, Node* n2, const TypeVect* vt) : TypeNode(vt, 3) {
     init_class_id(Class_Vector);
     init_req(1, n1);
     init_req(2, n2);
   }
   const TypeVect* vect_type() const { return type()->is_vect(); }
   uint length() const { return vect_type()->length(); } // Vector length
   uint length_in_bytes() const { return vect_type()->length_in_bytes(); }
   virtual int Opcode() const;
   virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(vect_type()->length_in_bytes()); }
   static VectorNode* scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t);
   static VectorNode* shift_count(Compile* C, Node* shift, Node* cnt, uint vlen, BasicType bt);
   static VectorNode* make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt);
   static int  opcode(int opc, BasicType bt);
   static bool implemented(int opc, uint vlen, BasicType bt);
   static bool is_shift(Node* n);
   static bool is_invariant_vector(Node* n);
   // [Start, end) half-open range defining which operands are vectors
   static void vector_operands(Node* n, uint* start, uint* end);
 };
 //===========================Vector=ALU=Operations=============================
 //------------------------------AddVBNode--------------------------------------
 // Vector add byte
 class AddVBNode : public VectorNode {
  public:
   AddVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------AddVSNode--------------------------------------
 // Vector add char/short
 class AddVSNode : public VectorNode {
  public:
   AddVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------AddVINode--------------------------------------
 // Vector add int
 class AddVINode : public VectorNode {
  public:
   AddVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------AddVLNode--------------------------------------
 // Vector add long
 class AddVLNode : public VectorNode {
  public:
   AddVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------AddVFNode--------------------------------------
 // Vector add float
 class AddVFNode : public VectorNode {
  public:
   AddVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------AddVDNode--------------------------------------
 // Vector add double
 class AddVDNode : public VectorNode {
  public:
   AddVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVBNode--------------------------------------
 // Vector subtract byte
 class SubVBNode : public VectorNode {
  public:
   SubVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVSNode--------------------------------------
 // Vector subtract short
 class SubVSNode : public VectorNode {
  public:
   SubVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVINode--------------------------------------
 // Vector subtract int
 class SubVINode : public VectorNode {
  public:
   SubVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVLNode--------------------------------------
 // Vector subtract long
 class SubVLNode : public VectorNode {
  public:
   SubVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVFNode--------------------------------------
 // Vector subtract float
 class SubVFNode : public VectorNode {
  public:
   SubVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------SubVDNode--------------------------------------
 // Vector subtract double
 class SubVDNode : public VectorNode {
  public:
   SubVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------MulVSNode--------------------------------------
 // Vector multiply short
 class MulVSNode : public VectorNode {
  public:
   MulVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------MulVINode--------------------------------------
 // Vector multiply int
 class MulVINode : public VectorNode {
  public:
   MulVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------MulVFNode--------------------------------------
 // Vector multiply float
 class MulVFNode : public VectorNode {
  public:
   MulVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------MulVDNode--------------------------------------
 // Vector multiply double
 class MulVDNode : public VectorNode {
  public:
   MulVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------DivVFNode--------------------------------------
 // Vector divide float
 class DivVFNode : public VectorNode {
  public:
   DivVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------DivVDNode--------------------------------------
 // Vector Divide double
 class DivVDNode : public VectorNode {
  public:
   DivVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------LShiftVBNode-----------------------------------
 // Vector left shift bytes
 class LShiftVBNode : public VectorNode {
  public:
   LShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------LShiftVSNode-----------------------------------
 // Vector left shift shorts
 class LShiftVSNode : public VectorNode {
  public:
   LShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------LShiftVINode-----------------------------------
 // Vector left shift ints
 class LShiftVINode : public VectorNode {
  public:
   LShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------LShiftVLNode-----------------------------------
 // Vector left shift longs
 class LShiftVLNode : public VectorNode {
  public:
   LShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------RShiftVBNode-----------------------------------
 // Vector right arithmetic (signed) shift bytes
 class RShiftVBNode : public VectorNode {
  public:
   RShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------RShiftVSNode-----------------------------------
 // Vector right arithmetic (signed) shift shorts
 class RShiftVSNode : public VectorNode {
  public:
   RShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------RShiftVINode-----------------------------------
 // Vector right arithmetic (signed) shift ints
 class RShiftVINode : public VectorNode {
  public:
   RShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------RShiftVLNode-----------------------------------
 // Vector right arithmetic (signed) shift longs
 class RShiftVLNode : public VectorNode {
  public:
   RShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------URShiftVBNode----------------------------------
 // Vector right logical (unsigned) shift bytes
 class URShiftVBNode : public VectorNode {
  public:
   URShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------URShiftVSNode----------------------------------
 // Vector right logical (unsigned) shift shorts
 class URShiftVSNode : public VectorNode {
  public:
   URShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------URShiftVINode----------------------------------
 // Vector right logical (unsigned) shift ints
 class URShiftVINode : public VectorNode {
  public:
   URShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------URShiftVLNode----------------------------------
 // Vector right logical (unsigned) shift longs
 class URShiftVLNode : public VectorNode {
  public:
   URShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------LShiftCntVNode---------------------------------
 // Vector left shift count
 class LShiftCntVNode : public VectorNode {
  public:
   LShiftCntVNode(Node* cnt, const TypeVect* vt) : VectorNode(cnt,vt) {}
   virtual int Opcode() const;
   virtual uint ideal_reg() const { return Matcher::vector_shift_count_ideal_reg(vect_type()->length_in_bytes()); }
 };
 //------------------------------RShiftCntVNode---------------------------------
 // Vector right shift count
 class RShiftCntVNode : public VectorNode {
  public:
   RShiftCntVNode(Node* cnt, const TypeVect* vt) : VectorNode(cnt,vt) {}
   virtual int Opcode() const;
   virtual uint ideal_reg() const { return Matcher::vector_shift_count_ideal_reg(vect_type()->length_in_bytes()); }
 };
 //------------------------------AndVNode---------------------------------------
 // Vector and integer
 class AndVNode : public VectorNode {
  public:
   AndVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------OrVNode---------------------------------------
 // Vector or integer
 class OrVNode : public VectorNode {
  public:
   OrVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //------------------------------XorVNode---------------------------------------
 // Vector xor integer
 class XorVNode : public VectorNode {
  public:
   XorVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
   virtual int Opcode() const;
 };
 //================================= M E M O R Y ===============================
 //------------------------------LoadVectorNode---------------------------------
 // Load Vector from memory
 class LoadVectorNode : public LoadNode {
  public:
   LoadVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeVect* vt)
     : LoadNode(c, mem, adr, at, vt, MemNode::unordered) {
     init_class_id(Class_LoadVector);
   }
   const TypeVect* vect_type() const { return type()->is_vect(); }
   uint length() const { return vect_type()->length(); } // Vector length
   virtual int Opcode() const;
   virtual uint ideal_reg() const  { return Matcher::vector_ideal_reg(memory_size()); }
   virtual BasicType memory_type() const { return T_VOID; }
   virtual int memory_size() const { return vect_type()->length_in_bytes(); }
   virtual int store_Opcode() const { return Op_StoreVector; }
   static LoadVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
                               Node* adr, const TypePtr* atyp, uint vlen, BasicType bt);
 };
 //------------------------------StoreVectorNode--------------------------------
 // Store Vector to memory
 class StoreVectorNode : public StoreNode {
  public:
   StoreVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, Node* val)
     : StoreNode(c, mem, adr, at, val, MemNode::unordered) {
     assert(val->is_Vector() || val->is_LoadVector(), "sanity");
     init_class_id(Class_StoreVector);
   }
   const TypeVect* vect_type() const { return in(MemNode::ValueIn)->bottom_type()->is_vect(); }
   uint length() const { return vect_type()->length(); } // Vector length
   virtual int Opcode() const;
   virtual uint ideal_reg() const  { return Matcher::vector_ideal_reg(memory_size()); }
   virtual BasicType memory_type() const { return T_VOID; }
   virtual int memory_size() const { return vect_type()->length_in_bytes(); }
   static StoreVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
                                Node* adr, const TypePtr* atyp, Node* val,
                                uint vlen);
 };
 //=========================Promote_Scalar_to_Vector============================
 //------------------------------ReplicateBNode---------------------------------
 // Replicate byte scalar to be vector
 class ReplicateBNode : public VectorNode {
  public:
   ReplicateBNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------ReplicateSNode---------------------------------
 // Replicate short scalar to be vector
 class ReplicateSNode : public VectorNode {
  public:
   ReplicateSNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------ReplicateINode---------------------------------
 // Replicate int scalar to be vector
 class ReplicateINode : public VectorNode {
  public:
   ReplicateINode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------ReplicateLNode---------------------------------
 // Replicate long scalar to be vector
 class ReplicateLNode : public VectorNode {
  public:
   ReplicateLNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------ReplicateFNode---------------------------------
 // Replicate float scalar to be vector
 class ReplicateFNode : public VectorNode {
  public:
   ReplicateFNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------ReplicateDNode---------------------------------
 // Replicate double scalar to be vector
 class ReplicateDNode : public VectorNode {
  public:
   ReplicateDNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //========================Pack_Scalars_into_a_Vector===========================
 //------------------------------PackNode---------------------------------------
 // Pack parent class (not for code generation).
 class PackNode : public VectorNode {
  public:
   PackNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
   PackNode(Node* in1, Node* n2, const TypeVect* vt) : VectorNode(in1, n2, vt) {}
   virtual int Opcode() const;
   void add_opd(Node* n) {
     add_req(n);
   }
   // Create a binary tree form for Packs. [lo, hi) (half-open) range
   PackNode* binary_tree_pack(Compile* C, int lo, int hi);
   static PackNode* make(Compile* C, Node* s, uint vlen, BasicType bt);
 };
 //------------------------------PackBNode--------------------------------------
 // Pack byte scalars into vector
 class PackBNode : public PackNode {
  public:
   PackBNode(Node* in1, const TypeVect* vt)  : PackNode(in1, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------PackSNode--------------------------------------
 // Pack short scalars into a vector
 class PackSNode : public PackNode {
  public:
   PackSNode(Node* in1, const TypeVect* vt)  : PackNode(in1, vt) {}
   PackSNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------PackINode--------------------------------------
 // Pack integer scalars into a vector
 class PackINode : public PackNode {
  public:
   PackINode(Node* in1, const TypeVect* vt)  : PackNode(in1, vt) {}
   PackINode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------PackLNode--------------------------------------
 // Pack long scalars into a vector
 class PackLNode : public PackNode {
  public:
   PackLNode(Node* in1, const TypeVect* vt)  : PackNode(in1, vt) {}
   PackLNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------Pack2LNode-------------------------------------
 // Pack 2 long scalars into a vector
 class Pack2LNode : public PackNode {
  public:
   Pack2LNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------PackFNode--------------------------------------
 // Pack float scalars into vector
 class PackFNode : public PackNode {
  public:
   PackFNode(Node* in1, const TypeVect* vt)  : PackNode(in1, vt) {}
   PackFNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------PackDNode--------------------------------------
 // Pack double scalars into a vector
 class PackDNode : public PackNode {
  public:
   PackDNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
   PackDNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //------------------------------Pack2DNode-------------------------------------
 // Pack 2 double scalars into a vector
 class Pack2DNode : public PackNode {
  public:
   Pack2DNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
   virtual int Opcode() const;
 };
 //========================Extract_Scalar_from_Vector===========================
 //------------------------------ExtractNode------------------------------------
 // Extract a scalar from a vector at position "pos"
 class ExtractNode : public Node {
  public:
   ExtractNode(Node* src, ConINode* pos) : Node(NULL, src, (Node*)pos) {
     assert(in(2)->get_int() >= 0, "positive constants");
   }
   virtual int Opcode() const;
   uint  pos() const { return in(2)->get_int(); }
   static Node* make(Compile* C, Node* v, uint position, BasicType bt);
 };
 //------------------------------ExtractBNode-----------------------------------
 // Extract a byte from a vector at position "pos"
 class ExtractBNode : public ExtractNode {
  public:
   ExtractBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 //------------------------------ExtractUBNode----------------------------------
 // Extract a boolean from a vector at position "pos"
 class ExtractUBNode : public ExtractNode {
  public:
   ExtractUBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 //------------------------------ExtractCNode-----------------------------------
 // Extract a char from a vector at position "pos"
 class ExtractCNode : public ExtractNode {
  public:
   ExtractCNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 //------------------------------ExtractSNode-----------------------------------
 // Extract a short from a vector at position "pos"
 class ExtractSNode : public ExtractNode {
  public:
   ExtractSNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 //------------------------------ExtractINode-----------------------------------
 // Extract an int from a vector at position "pos"
 class ExtractINode : public ExtractNode {
  public:
   ExtractINode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual uint ideal_reg() const { return Op_RegI; }
 };
 //------------------------------ExtractLNode-----------------------------------
 // Extract a long from a vector at position "pos"
 class ExtractLNode : public ExtractNode {
  public:
   ExtractLNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return TypeLong::LONG; }
   virtual uint ideal_reg() const { return Op_RegL; }
 };
 //------------------------------ExtractFNode-----------------------------------
 // Extract a float from a vector at position "pos"
 class ExtractFNode : public ExtractNode {
  public:
   ExtractFNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return Type::FLOAT; }
   virtual uint ideal_reg() const { return Op_RegF; }
 };
 //------------------------------ExtractDNode-----------------------------------
 // Extract a double from a vector at position "pos"
 class ExtractDNode : public ExtractNode {
  public:
   ExtractDNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
   virtual int Opcode() const;
   virtual const Type *bottom_type() const { return Type::DOUBLE; }
   virtual uint ideal_reg() const { return Op_RegD; }
 };
 #endif // SHARE_VM_OPTO_VECTORNODE_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/opto/vectornode.hpp@2113136690bc (annotated)

src/share/vm/opto/vectornode.hpp