src/arch/arm/insts/sve_macromem.hh - public/gem5 - Git at Google

 /*
  * Copyright (c) 2018 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.
  *
  * Authors: Giacomo Gabrielli
  */

 #ifndef __ARCH_ARM_SVE_MACROMEM_HH__
 #define __ARCH_ARM_SVE_MACROMEM_HH__

 #include "arch/arm/generated/decoder.hh"
 #include "arch/arm/insts/pred_inst.hh"

 namespace ArmISA {

 template <typename Element,
          template <typename> class MicroopLdMemType,
          template <typename> class MicroopDeIntrlvType>
 class SveLdStructSS : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     IntRegIndex offset;
     uint8_t numregs;

   public:
     SveLdStructSS(const char* mnem, ExtMachInst machInst, OpClass __opClass,
             IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
             IntRegIndex _offset, uint8_t _numregs)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), offset(_offset), numregs(_numregs)
     {
         numMicroops = numregs * 2;

         microOps = new StaticInstPtr[numMicroops];

         for (int i = 0; i < numregs; ++i) {
             microOps[i] = new MicroopLdMemType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _gp, _base, _offset, _numregs, i);
         }
         for (int i = 0; i < numregs; ++i) {
             microOps[i + numregs] = new MicroopDeIntrlvType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>((_dest + i) % 32),
                     _numregs, i, this);
         }

         microOps[0]->setFirstMicroop();
         microOps[numMicroops - 1]->setLastMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         for (int i = 0; i < numregs; ++i) {
             printVecReg(ss, (dest + i) % 32, true);
             if (i < numregs - 1)
                 ccprintf(ss, ", ");
         }
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, "/z, [");
         printIntReg(ss, base);
         ccprintf(ss, ", ");
         printIntReg(ss, offset);
         ccprintf(ss, "]");
         return ss.str();
     }
 };

 template <typename Element,
          template <typename> class MicroopStMemType,
          template <typename> class MicroopIntrlvType>
 class SveStStructSS : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     IntRegIndex offset;
     uint8_t numregs;

   public:
     SveStStructSS(const char* mnem, ExtMachInst machInst, OpClass __opClass,
             IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
             IntRegIndex _offset, uint8_t _numregs)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), offset(_offset), numregs(_numregs)
     {
         numMicroops = numregs * 2;

         microOps = new StaticInstPtr[numMicroops];

         for (int i = 0; i < numregs; ++i) {
             microOps[i] = new MicroopIntrlvType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _dest, _numregs, i, this);
         }

         for (int i = 0; i < numregs; ++i) {
             microOps[i + numregs] = new MicroopStMemType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _gp, _base, _offset, _numregs, i);
         }

         microOps[0]->setFirstMicroop();
         microOps[numMicroops - 1]->setLastMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         for (int i = 0; i < numregs; ++i) {
             printVecReg(ss, (dest + i) % 32, true);
             if (i < numregs - 1)
                 ccprintf(ss, ", ");
         }
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, ", [");
         printIntReg(ss, base);
         ccprintf(ss, ", ");
         printIntReg(ss, offset);
         ccprintf(ss, "]");
         return ss.str();
     }
 };


 template <typename Element,
          template <typename> class MicroopLdMemType,
          template <typename> class MicroopDeIntrlvType>
 class SveLdStructSI : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     int64_t imm;
     uint8_t numregs;

   public:
     SveLdStructSI(const char* mnem, ExtMachInst machInst, OpClass __opClass,
             IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
             int64_t _imm, uint8_t _numregs)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), imm(_imm), numregs(_numregs)
     {
         numMicroops = numregs * 2;

         microOps = new StaticInstPtr[numMicroops];

         for (int i = 0; i < numregs; ++i) {
             microOps[i] = new MicroopLdMemType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _gp, _base, _imm, _numregs, i);
         }
         for (int i = 0; i < numregs; ++i) {
             microOps[i + numregs] = new MicroopDeIntrlvType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>((_dest + i) % 32),
                     _numregs, i, this);
         }

         microOps[0]->setFirstMicroop();
         microOps[numMicroops - 1]->setLastMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         for (int i = 0; i < numregs; ++i) {
             printVecReg(ss, (dest + i) % 32, true);
             if (i < numregs - 1)
                 ccprintf(ss, ", ");
         }
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, "/z, [");
         printIntReg(ss, base);
         if (imm != 0) {
             ccprintf(ss, ", #%d, MUL VL", imm);
         }
         ccprintf(ss, "]");
         return ss.str();
     }
 };

 template <typename Element,
          template <typename> class MicroopStMemType,
          template <typename> class MicroopIntrlvType>
 class SveStStructSI : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     int64_t imm;
     uint8_t numregs;

   public:
     SveStStructSI(const char* mnem, ExtMachInst machInst, OpClass __opClass,
             IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
             int64_t _imm, uint8_t _numregs)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), imm(_imm), numregs(_numregs)
     {
         numMicroops = numregs * 2;

         microOps = new StaticInstPtr[numMicroops];

         for (int i = 0; i < numregs; ++i) {
             microOps[i] = new MicroopIntrlvType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _dest, _numregs, i, this);
         }

         for (int i = 0; i < numregs; ++i) {
             microOps[i + numregs] = new MicroopStMemType<Element>(
                     mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
                     _gp, _base, _imm, _numregs, i);
         }

         microOps[0]->setFirstMicroop();
         microOps[numMicroops - 1]->setLastMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         for (int i = 0; i < numregs; ++i) {
             printVecReg(ss, (dest + i) % 32, true);
             if (i < numregs - 1)
                 ccprintf(ss, ", ");
         }
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, ", [");
         printIntReg(ss, base);
         if (imm != 0) {
             ccprintf(ss, ", #%d, MUL VL", imm);
         }
         ccprintf(ss, "]");
         return ss.str();
     }
 };

 template <typename RegElemType, typename MemElemType,
           template <typename, typename> class MicroopType,
           template <typename> class FirstFaultWritebackMicroopType>
 class SveIndexedMemVI : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     uint64_t imm;

   public:
     SveIndexedMemVI(const char *mnem, ExtMachInst machInst, OpClass __opClass,
                     IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
                     uint64_t _imm, bool firstFault)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), imm(_imm)
     {
         bool isLoad = (__opClass == MemReadOp);
         assert(!firstFault || isLoad);

         int num_elems = ((machInst.sveLen + 1) * 16) / sizeof(RegElemType);

         numMicroops = num_elems;
         if (isLoad) {
             if (firstFault) {
                 numMicroops += 2;
             } else {
                 numMicroops++;
             }
         }

         microOps = new StaticInstPtr[numMicroops];

         StaticInstPtr *uop = microOps;

         if (isLoad) {
             // The first microop of a gather load copies the source vector
             // register used for address calculation to an auxiliary register,
             // with all subsequent microops reading from the latter.  This is
             // needed to properly handle cases where the source vector
             // register is the same as the destination register
             *uop = new ArmISAInst::SveGatherLoadCpySrcVecMicroop(
                 mnem, machInst, _base, this);
             uop++;
         }

         for (int i = 0; i < num_elems; i++, uop++) {
             *uop = new MicroopType<RegElemType, MemElemType>(
                 mnem, machInst, __opClass, _dest, _gp,
                 isLoad ? (IntRegIndex) VECREG_UREG0 : _base, _imm, i,
                 num_elems, firstFault);
         }

         if (firstFault) {
             *uop = new FirstFaultWritebackMicroopType<RegElemType>(
                 mnem, machInst, __opClass, num_elems, this);
         } else {
             --uop;
         }

         (*uop)->setLastMicroop();
         microOps[0]->setFirstMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         // TODO: add suffix to transfer and base registers
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         printVecReg(ss, dest, true);
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, "/z, [");
         printVecReg(ss, base, true);
         if (imm != 0) {
             ccprintf(ss, ", #%d", imm * sizeof(MemElemType));
         }
         ccprintf(ss, "]");
         return ss.str();
     }
 };

 template <typename RegElemType, typename MemElemType,
           template <typename, typename> class MicroopType,
           template <typename> class FirstFaultWritebackMicroopType>
 class SveIndexedMemSV : public PredMacroOp
 {
   protected:
     IntRegIndex dest;
     IntRegIndex gp;
     IntRegIndex base;
     IntRegIndex offset;

     bool offsetIs32;
     bool offsetIsSigned;
     bool offsetIsScaled;

   public:
     SveIndexedMemSV(const char *mnem, ExtMachInst machInst, OpClass __opClass,
                     IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
                     IntRegIndex _offset, bool _offsetIs32,
                     bool _offsetIsSigned, bool _offsetIsScaled,
                     bool firstFault)
         : PredMacroOp(mnem, machInst, __opClass),
           dest(_dest), gp(_gp), base(_base), offset(_offset),
           offsetIs32(_offsetIs32), offsetIsSigned(_offsetIsSigned),
           offsetIsScaled(_offsetIsScaled)
     {
         bool isLoad = (__opClass == MemReadOp);
         assert(!firstFault || isLoad);

         int num_elems = ((machInst.sveLen + 1) * 16) / sizeof(RegElemType);

         numMicroops = num_elems;
         if (isLoad) {
             if (firstFault) {
                 numMicroops += 2;
             } else {
                 numMicroops++;
             }
         }

         microOps = new StaticInstPtr[numMicroops];

         StaticInstPtr *uop = microOps;

         if (isLoad) {
             // The first microop of a gather load copies the source vector
             // register used for address calculation to an auxiliary register,
             // with all subsequent microops reading from the latter.  This is
             // needed to properly handle cases where the source vector
             // register is the same as the destination register
             *uop = new ArmISAInst::SveGatherLoadCpySrcVecMicroop(
                 mnem, machInst, _offset, this);
             uop++;
         }

         for (int i = 0; i < num_elems; i++, uop++) {
             *uop = new MicroopType<RegElemType, MemElemType>(
                 mnem, machInst, __opClass, _dest, _gp, _base,
                 isLoad ? (IntRegIndex) VECREG_UREG0 : _offset, _offsetIs32,
                 _offsetIsSigned, _offsetIsScaled, i, num_elems, firstFault);
         }

         if (firstFault) {
             *uop = new FirstFaultWritebackMicroopType<RegElemType>(
                 mnem, machInst, __opClass, num_elems, this);
         } else {
             --uop;
         }

         (*uop)->setLastMicroop();
         microOps[0]->setFirstMicroop();

         for (StaticInstPtr *uop = microOps; !(*uop)->isLastMicroop(); uop++) {
             (*uop)->setDelayedCommit();
         }
     }

     Fault
     execute(ExecContext *, Trace::InstRecord *) const
     {
         panic("Execute method called when it shouldn't!");
         return NoFault;
     }

     std::string
     generateDisassembly(Addr pc, const SymbolTable *symtab) const
     {
         // TODO: add suffix to transfer and base registers
         std::stringstream ss;
         printMnemonic(ss, "", false);
         ccprintf(ss, "{");
         printVecReg(ss, dest, true);
         ccprintf(ss, "}, ");
         printVecPredReg(ss, gp);
         ccprintf(ss, "/z, [");
         printIntReg(ss, base);
         ccprintf(ss, ", ");
         printVecReg(ss, offset, true);
         ccprintf(ss, "]");
         return ss.str();
     }
 };

 }  // namespace ArmISA

 #endif  // __ARCH_ARM_SVE_MACROMEM_HH__
	/*
	* Copyright (c) 2018 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.
	*
	* Authors: Giacomo Gabrielli
	*/

	#ifndef __ARCH_ARM_SVE_MACROMEM_HH__
	#define __ARCH_ARM_SVE_MACROMEM_HH__

	#include "arch/arm/generated/decoder.hh"
	#include "arch/arm/insts/pred_inst.hh"

	namespace ArmISA {

	template <typename Element,
	template <typename> class MicroopLdMemType,
	template <typename> class MicroopDeIntrlvType>
	class SveLdStructSS : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	IntRegIndex offset;
	uint8_t numregs;

	public:
	SveLdStructSS(const char* mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	IntRegIndex _offset, uint8_t _numregs)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), offset(_offset), numregs(_numregs)
	{
	numMicroops = numregs * 2;

	microOps = new StaticInstPtr[numMicroops];

	for (int i = 0; i < numregs; ++i) {
	microOps[i] = new MicroopLdMemType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_gp, _base, _offset, _numregs, i);
	}
	for (int i = 0; i < numregs; ++i) {
	microOps[i + numregs] = new MicroopDeIntrlvType<Element>(
	mnem, machInst, static_cast<IntRegIndex>((_dest + i) % 32),
	_numregs, i, this);
	}

	microOps[0]->setFirstMicroop();
	microOps[numMicroops - 1]->setLastMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	for (int i = 0; i < numregs; ++i) {
	printVecReg(ss, (dest + i) % 32, true);
	if (i < numregs - 1)
	ccprintf(ss, ", ");
	}
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, "/z, [");
	printIntReg(ss, base);
	ccprintf(ss, ", ");
	printIntReg(ss, offset);
	ccprintf(ss, "]");
	return ss.str();
	}
	};

	template <typename Element,
	template <typename> class MicroopStMemType,
	template <typename> class MicroopIntrlvType>
	class SveStStructSS : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	IntRegIndex offset;
	uint8_t numregs;

	public:
	SveStStructSS(const char* mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	IntRegIndex _offset, uint8_t _numregs)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), offset(_offset), numregs(_numregs)
	{
	numMicroops = numregs * 2;

	microOps = new StaticInstPtr[numMicroops];

	for (int i = 0; i < numregs; ++i) {
	microOps[i] = new MicroopIntrlvType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_dest, _numregs, i, this);
	}

	for (int i = 0; i < numregs; ++i) {
	microOps[i + numregs] = new MicroopStMemType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_gp, _base, _offset, _numregs, i);
	}

	microOps[0]->setFirstMicroop();
	microOps[numMicroops - 1]->setLastMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	for (int i = 0; i < numregs; ++i) {
	printVecReg(ss, (dest + i) % 32, true);
	if (i < numregs - 1)
	ccprintf(ss, ", ");
	}
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, ", [");
	printIntReg(ss, base);
	ccprintf(ss, ", ");
	printIntReg(ss, offset);
	ccprintf(ss, "]");
	return ss.str();
	}
	};


	template <typename Element,
	template <typename> class MicroopLdMemType,
	template <typename> class MicroopDeIntrlvType>
	class SveLdStructSI : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	int64_t imm;
	uint8_t numregs;

	public:
	SveLdStructSI(const char* mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	int64_t _imm, uint8_t _numregs)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), imm(_imm), numregs(_numregs)
	{
	numMicroops = numregs * 2;

	microOps = new StaticInstPtr[numMicroops];

	for (int i = 0; i < numregs; ++i) {
	microOps[i] = new MicroopLdMemType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_gp, _base, _imm, _numregs, i);
	}
	for (int i = 0; i < numregs; ++i) {
	microOps[i + numregs] = new MicroopDeIntrlvType<Element>(
	mnem, machInst, static_cast<IntRegIndex>((_dest + i) % 32),
	_numregs, i, this);
	}

	microOps[0]->setFirstMicroop();
	microOps[numMicroops - 1]->setLastMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	for (int i = 0; i < numregs; ++i) {
	printVecReg(ss, (dest + i) % 32, true);
	if (i < numregs - 1)
	ccprintf(ss, ", ");
	}
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, "/z, [");
	printIntReg(ss, base);
	if (imm != 0) {
	ccprintf(ss, ", #%d, MUL VL", imm);
	}
	ccprintf(ss, "]");
	return ss.str();
	}
	};

	template <typename Element,
	template <typename> class MicroopStMemType,
	template <typename> class MicroopIntrlvType>
	class SveStStructSI : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	int64_t imm;
	uint8_t numregs;

	public:
	SveStStructSI(const char* mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	int64_t _imm, uint8_t _numregs)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), imm(_imm), numregs(_numregs)
	{
	numMicroops = numregs * 2;

	microOps = new StaticInstPtr[numMicroops];

	for (int i = 0; i < numregs; ++i) {
	microOps[i] = new MicroopIntrlvType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_dest, _numregs, i, this);
	}

	for (int i = 0; i < numregs; ++i) {
	microOps[i + numregs] = new MicroopStMemType<Element>(
	mnem, machInst, static_cast<IntRegIndex>(INTRLVREG0 + i),
	_gp, _base, _imm, _numregs, i);
	}

	microOps[0]->setFirstMicroop();
	microOps[numMicroops - 1]->setLastMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	for (int i = 0; i < numregs; ++i) {
	printVecReg(ss, (dest + i) % 32, true);
	if (i < numregs - 1)
	ccprintf(ss, ", ");
	}
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, ", [");
	printIntReg(ss, base);
	if (imm != 0) {
	ccprintf(ss, ", #%d, MUL VL", imm);
	}
	ccprintf(ss, "]");
	return ss.str();
	}
	};

	template <typename RegElemType, typename MemElemType,
	template <typename, typename> class MicroopType,
	template <typename> class FirstFaultWritebackMicroopType>
	class SveIndexedMemVI : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	uint64_t imm;

	public:
	SveIndexedMemVI(const char *mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	uint64_t _imm, bool firstFault)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), imm(_imm)
	{
	bool isLoad = (__opClass == MemReadOp);
	assert(!firstFault \|\| isLoad);

	int num_elems = ((machInst.sveLen + 1) * 16) / sizeof(RegElemType);

	numMicroops = num_elems;
	if (isLoad) {
	if (firstFault) {
	numMicroops += 2;
	} else {
	numMicroops++;
	}
	}

	microOps = new StaticInstPtr[numMicroops];

	StaticInstPtr *uop = microOps;

	if (isLoad) {
	// The first microop of a gather load copies the source vector
	// register used for address calculation to an auxiliary register,
	// with all subsequent microops reading from the latter. This is
	// needed to properly handle cases where the source vector
	// register is the same as the destination register
	*uop = new ArmISAInst::SveGatherLoadCpySrcVecMicroop(
	mnem, machInst, _base, this);
	uop++;
	}

	for (int i = 0; i < num_elems; i++, uop++) {
	*uop = new MicroopType<RegElemType, MemElemType>(
	mnem, machInst, __opClass, _dest, _gp,
	isLoad ? (IntRegIndex) VECREG_UREG0 : _base, _imm, i,
	num_elems, firstFault);
	}

	if (firstFault) {
	*uop = new FirstFaultWritebackMicroopType<RegElemType>(
	mnem, machInst, __opClass, num_elems, this);
	} else {
	--uop;
	}

	(*uop)->setLastMicroop();
	microOps[0]->setFirstMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	// TODO: add suffix to transfer and base registers
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	printVecReg(ss, dest, true);
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, "/z, [");
	printVecReg(ss, base, true);
	if (imm != 0) {
	ccprintf(ss, ", #%d", imm * sizeof(MemElemType));
	}
	ccprintf(ss, "]");
	return ss.str();
	}
	};

	template <typename RegElemType, typename MemElemType,
	template <typename, typename> class MicroopType,
	template <typename> class FirstFaultWritebackMicroopType>
	class SveIndexedMemSV : public PredMacroOp
	{
	protected:
	IntRegIndex dest;
	IntRegIndex gp;
	IntRegIndex base;
	IntRegIndex offset;

	bool offsetIs32;
	bool offsetIsSigned;
	bool offsetIsScaled;

	public:
	SveIndexedMemSV(const char *mnem, ExtMachInst machInst, OpClass __opClass,
	IntRegIndex _dest, IntRegIndex _gp, IntRegIndex _base,
	IntRegIndex _offset, bool _offsetIs32,
	bool _offsetIsSigned, bool _offsetIsScaled,
	bool firstFault)
	: PredMacroOp(mnem, machInst, __opClass),
	dest(_dest), gp(_gp), base(_base), offset(_offset),
	offsetIs32(_offsetIs32), offsetIsSigned(_offsetIsSigned),
	offsetIsScaled(_offsetIsScaled)
	{
	bool isLoad = (__opClass == MemReadOp);
	assert(!firstFault \|\| isLoad);

	int num_elems = ((machInst.sveLen + 1) * 16) / sizeof(RegElemType);

	numMicroops = num_elems;
	if (isLoad) {
	if (firstFault) {
	numMicroops += 2;
	} else {
	numMicroops++;
	}
	}

	microOps = new StaticInstPtr[numMicroops];

	StaticInstPtr *uop = microOps;

	if (isLoad) {
	// The first microop of a gather load copies the source vector
	// register used for address calculation to an auxiliary register,
	// with all subsequent microops reading from the latter. This is
	// needed to properly handle cases where the source vector
	// register is the same as the destination register
	*uop = new ArmISAInst::SveGatherLoadCpySrcVecMicroop(
	mnem, machInst, _offset, this);
	uop++;
	}

	for (int i = 0; i < num_elems; i++, uop++) {
	*uop = new MicroopType<RegElemType, MemElemType>(
	mnem, machInst, __opClass, _dest, _gp, _base,
	isLoad ? (IntRegIndex) VECREG_UREG0 : _offset, _offsetIs32,
	_offsetIsSigned, _offsetIsScaled, i, num_elems, firstFault);
	}

	if (firstFault) {
	*uop = new FirstFaultWritebackMicroopType<RegElemType>(
	mnem, machInst, __opClass, num_elems, this);
	} else {
	--uop;
	}

	(*uop)->setLastMicroop();
	microOps[0]->setFirstMicroop();

	for (StaticInstPtr uop = microOps; !(uop)->isLastMicroop(); uop++) {
	(*uop)->setDelayedCommit();
	}
	}

	Fault
	execute(ExecContext , Trace::InstRecord ) const
	{
	panic("Execute method called when it shouldn't!");
	return NoFault;
	}

	std::string
	generateDisassembly(Addr pc, const SymbolTable *symtab) const
	{
	// TODO: add suffix to transfer and base registers
	std::stringstream ss;
	printMnemonic(ss, "", false);
	ccprintf(ss, "{");
	printVecReg(ss, dest, true);
	ccprintf(ss, "}, ");
	printVecPredReg(ss, gp);
	ccprintf(ss, "/z, [");
	printIntReg(ss, base);
	ccprintf(ss, ", ");
	printVecReg(ss, offset, true);
	ccprintf(ss, "]");
	return ss.str();
	}
	};

	} // namespace ArmISA

	#endif // __ARCH_ARM_SVE_MACROMEM_HH__