vectornode.hpp revision 0
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * This code is free software; you can redistribute it and/or modify it
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * under the terms of the GNU General Public License version 2 only, as
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * published by the Free Software Foundation.
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * This code is distributed in the hope that it will be useful, but WITHOUT
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * version 2 for more details (a copy is included in the LICENSE file that
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * accompanied this code).
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * You should have received a copy of the GNU General Public License version
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * 2 along with this work; if not, write to the Free Software Foundation,
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott * CA 95054 USA or visit www.sun.com if you need additional information or
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell * have any questions.
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------VectorNode--------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector Operation
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual BasicType elt_basic_type() const = 0; // Vector element basic type
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static const Type* vect_type(BasicType elt_bt, uint len);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static const Type* vect_type(const Type* elt_type, uint len) {
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott return vect_type(elt_type->array_element_basic_type(), len);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott friend class VectorLoadNode; // For vect_type
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott VectorNode(Node* n1, uint vlen) : Node(NULL, n1), _length(vlen) {
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott VectorNode(Node* n1, Node* n2, uint vlen) : Node(NULL, n1, n2), _length(vlen) {
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott uint length() const { return _length; } // Vector length
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static uint max_vlen(BasicType bt) { // max vector length
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott return (uint)(Matcher::vector_width_in_bytes() / type2aelembytes[bt]);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott // Element and vector type
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott const Type* elt_type() const { return Type::get_const_basic_type(elt_basic_type()); }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott const Type* vect_type() const { return vect_type(elt_basic_type(), length()); }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual const Type *bottom_type() const { return vect_type(); }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(); }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott // Vector opcode from scalar opcode
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static int opcode(int sopc, uint vlen, const Type* opd_t);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static VectorNode* scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott static VectorNode* make(Compile* C, int sopc, Node* n1, Node* n2, uint vlen, const Type* elt_t);
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//===========================Vector=ALU=Operations====================================
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell//------------------------------AddVBNode---------------------------------------
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell// Vector add byte
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_BYTE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVBNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVCNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector add char
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_CHAR; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVCNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVSNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector add short
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_SHORT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVSNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVINode---------------------------------------
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell// Vector add int
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_INT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVINode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVLNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector add long
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual BasicType elt_basic_type() const { return T_LONG; }
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell AddVLNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVFNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector add float
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_FLOAT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVFNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------AddVDNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector add double
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_DOUBLE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott AddVDNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVBNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract byte
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_BYTE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVBNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVCNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract char
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_CHAR; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVCNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVSNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract short
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_SHORT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVSNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVINode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract int
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_INT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVINode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVLNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract long
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_LONG; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVLNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVFNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract float
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_FLOAT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVFNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------SubVDNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector subtract double
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_DOUBLE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott SubVDNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------MulVFNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector multiply float
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_FLOAT; }
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell MulVFNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------MulVDNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector multiply double
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_DOUBLE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott MulVDNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------DivVFNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector divide float
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_FLOAT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott DivVFNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------DivVDNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector Divide double
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual BasicType elt_basic_type() const { return T_DOUBLE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott DivVDNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual int Opcode() const;
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell//------------------------------LShiftVBNode---------------------------------------
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell// Vector lshift byte
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_BYTE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott LShiftVBNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------LShiftVCNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector lshift chars
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_CHAR; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott LShiftVCNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------LShiftVSNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector lshift shorts
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_SHORT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott LShiftVSNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------LShiftVINode---------------------------------------
465ea459a87d4605e145d8f45b6a9c104b696e3bCraig McDonnell// Vector lshift ints
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_INT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott LShiftVINode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------URShiftVBNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector urshift bytes
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_BYTE; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott URShiftVBNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------URShiftVCNode---------------------------------------
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell// Vector urshift char
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_SHORT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott URShiftVCNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------URShiftVSNode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector urshift shorts
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual BasicType elt_basic_type() const { return T_SHORT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott URShiftVSNode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott//------------------------------URShiftVINode---------------------------------------
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott// Vector urshift ints
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell virtual BasicType elt_basic_type() const { return T_INT; }
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott URShiftVINode(Node* in1, Node* in2, uint vlen) : VectorNode(in1,in2,vlen) {}
721bb987c406979bcfe705fa1ca8d54497d40fcbRobert Wapshott virtual int Opcode() const;
415243fbc81341293a852ff6aa14e9608d08685cCraig McDonnell//------------------------------AndVNode---------------------------------------
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
add_req(n);
_length++;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;
virtual int Opcode() const;