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/*
* Copyright (c) 2010 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ARCH_ARM_INSTS_MULT_HH__
#define __ARCH_ARM_INSTS_MULT_HH__
#include "arch/arm/insts/static_inst.hh"
#include "base/trace.hh"
namespace gem5
{
namespace ArmISA
{
/**
* Base class for multipy instructions using three registers.
*/
class Mult3 : public PredOp
{
protected:
RegIndex reg0, reg1, reg2;
Mult3(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
RegIndex _reg0, RegIndex _reg1, RegIndex _reg2) :
PredOp(mnem, _machInst, __opClass),
reg0(_reg0), reg1(_reg1), reg2(_reg2)
{}
};
/**
* Base class for multipy instructions using four registers.
*/
class Mult4 : public Mult3
{
protected:
RegIndex reg3;
Mult4(const char *mnem, ExtMachInst _machInst, OpClass __opClass,
RegIndex _reg0, RegIndex _reg1,
RegIndex _reg2, RegIndex _reg3) :
Mult3(mnem, _machInst, __opClass, _reg0, _reg1, _reg2), reg3(_reg3)
{}
};
} // namespace ArmISA
} // namespace gem5
#endif //__ARCH_ARM_INSTS_MULT_HH__