/*===================== begin_copyright_notice ==================================

Copyright (c) 2017 Intel Corporation

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


======================= end_copyright_notice ==================================*/
#ifndef _COMMON_BINARYENCODING_H_
#define _COMMON_BINARYENCODING_H_

#include "FlowGraph.h"
#include "Timer.h"

extern "C" void* allocCodeBlock(size_t sz);


///////////////////////////////////////////////////////////////////////////////
// Constants
///////////////////////////////////////////////////////////////////////////////
const uint32_t INST_SIZE       = 16; // bytes
const uint32_t JUMP_INST_COUNT_SIZE = INST_SIZE / 2;

#define BYTES_PER_INST 16
#define BYTES_PER_OWORD 16
#define DWORDS_PER_INST 4
#define BITS_PER_DWORD 32

const uint32_t NUM_REGISTER_BYTES     = 1 << 5;

const uint32_t SCRATCH_BINDING_TABLE_INDEX = 255;

#define ES_1_CHANNEL 0
#define ES_2_CHANNELS 1
#define ES_4_CHANNELS 2
#define ES_8_CHANNELS 3
#define ES_16_CHANNELS 4
#define ES_32_CHANNELS 5


typedef enum _RegFile_
{
    REG_FILE_A      ,
    REG_FILE_R      ,
    REG_FILE_M      ,
    REG_FILE_I
} RegFile;

typedef enum _ArchRegFile_           
{                                          // (ARF Registers -- Overview):
    ARCH_REG_FILE_NULL        = 0x00,  // 0000 null    Null register
    ARCH_REG_FILE_A           = 0x01,  // 0001 a0.#    Address register
    ARCH_REG_FILE_ACC         = 0x02,  // 0010 acc#    Accumulator register
    ARCH_REG_FILE_F           = 0x03,  // 0011 f#.#    Flag register
    ARCH_REG_FILE_CE_REG      = 0x04,  // 0100 ce#     Channel Enable register
    ARCH_REG_FILE_MSG_REG     = 0x05,  // 0101 msg+    Message Control Register
    ARCH_REG_FILE_SP_REG      = 0x06,  // 0110 sp      Stack Pointer Register
    ARCH_REG_FILE_STATE_REG   = 0x07,  // 0111 sr0.#   State register
    ARCH_REG_FILE_CNTL_REG    = 0x08,  // 1000 cr0.#   Control register
    ARCH_REG_FILE_NCNT_REG    = 0x09,  // 1001 n#      Notification count register
    ARCH_REG_FILE_IP          = 0x0A,  // 1010 ip      Instruction pointer register
    ARCH_REG_FILE_TDR_REG     = 0x0B,  // 1011 tdr     Thread dependency register
    ARCH_REG_FILE_TM_REG      = 0x0C,  // 1100 tm0     TimeStamp register
    ARCH_REG_FILE_FC_REG      = 0x0D,  // 1101 fc#.#   Flow Control register
    ARCH_REG_FILE_DBG_REG     = 0x0F   // 1111 dbg0    Debug only 
} ArchRegFile;

enum class Align1PredCtrl
{
    NONE,
    SEQUENTIAL,
    ANYV,
    ALLV,
    ANY2H,
    ALL2H,
    ANY4H,
    ALL4H,
    ANY8H,
    ALL8H,
    ANY16H,
    ALL16H,
    ANY32H,
    ALL32H
};

typedef enum _AddrMode_
{
    ADDR_MODE_IMMED,
    ADDR_MODE_INDIR
} AddrMode;

typedef enum _ChanSel_
{
    CHAN_SEL_X      ,
    CHAN_SEL_Y      ,
    CHAN_SEL_Z      ,
    CHAN_SEL_W      ,
    CHAN_SEL_UNDEF
} ChanSel;


#define NUM_REGISTER_CHANNELS 4

namespace vISA
{
    class ForwardJmpOffset
    {
    public:
        G4_INST *inst;
        int32_t offset;
        ForwardJmpOffset(G4_INST *_inst, int32_t _offset) :
            inst(_inst), offset(_offset) {};
    };

    class EncodingHelper
    {
    public:
        static inline RegFile GetDstRegFile(G4_DstRegRegion *dst);
        static inline RegFile GetSrcRegFile(G4_Operand *src);
        static inline uint32_t GetArchRegType(G4_VarBase *opnd);
        static inline uint32_t GetDstArchRegType(G4_DstRegRegion *opnd);
        static inline unsigned short GetElementSizeValue(G4_Operand *opnd);
        static inline AddrMode GetDstAddrMode(G4_DstRegRegion *dst);
        static inline AddrMode GetSrcAddrMode(G4_Operand *src);
        static inline void mark3Src(G4_INST* inst);
        static void dumpOptReport(int totalInst,
            int numCompactedInst,
            int numCompacted3SrcInst,
            G4_Kernel& kernel);
        static inline bool hasLabelString(G4_INST *inst);


        static inline bool isSrcSubRegNumValid(G4_Operand *src)
        {
            bool valid = false;
            if (EncodingHelper::GetSrcRegFile(src) != REG_FILE_A ||
                EncodingHelper::GetSrcArchRegType(src) != ARCH_REG_FILE_NULL)
            {
                if (EncodingHelper::GetSrcAddrMode(src) == ADDR_MODE_IMMED)
                {
                    if (!src->isSrcRegRegion() ||
                        src->asSrcRegRegion()->getSubRegOff() != (short)UNDEFINED_SHORT)
                    {
                        valid = true;
                    }
                }
            }

            return valid;
        }

        static inline uint32_t GetSrcArchRegType(G4_Operand *opnd)
        {
            if (opnd->isSrcRegRegion())
            {
                G4_VarBase *base = opnd->asSrcRegRegion()->getBase();

                if (base->isRegVar())
                {
                    G4_VarBase *preg = base->asRegVar()->getPhyReg();
                    return EncodingHelper::GetArchRegType(preg);
                }
                else
                {
                    return EncodingHelper::GetArchRegType(base);
                }
            }

            return ARCH_REG_FILE_NULL;
        }

        static inline ChanSel GetSrcChannelSelectValue(G4_SrcRegRegion *srcRegion, int i)
        {
            ChanSel ChanSelectValue = CHAN_SEL_UNDEF;

            char *swizzle = srcRegion->getSwizzle();

            if (i < NUM_REGISTER_CHANNELS) {
                switch (swizzle[i])        {
                case 'x':
                    ChanSelectValue = CHAN_SEL_X;
                    break;
                case 'y':
                    ChanSelectValue = CHAN_SEL_Y;
                    break;
                case 'z':
                    ChanSelectValue = CHAN_SEL_Z;
                    break;
                case 'w':
                    ChanSelectValue = CHAN_SEL_W;
                    break;
                }
            }
            return ChanSelectValue;
        }

        static inline bool GetRepControl(G4_Operand *src)
        {
            if (src->isSrcRegRegion())
            {
                char *swizzle = src->asSrcRegRegion()->getSwizzle();
                if (swizzle[0] != '\0')
                {
                    if (swizzle[0] == 'r')
                    {
                        return true;
                    }
                }
            }
            return false;
        }

    };

    //===----------------------------------------------------------------------===//
    /// \brief Binary instruction wrapper
    ///
    class BinInst
    {
    private:
        bool is3Src;
    public:
        // constructor: initializing to be 0
        union {
            uint32_t DWords[DWORDS_PER_INST];
            char     Bytes[BYTES_PER_INST];
        };
        uint32_t localInstNumber; // Instruction's position within the BB
        uint32_t instNumber;      // Global instruction number
        bool compacted;

        uint64_t genOffset;

        BinInst()
        {
            DWords[0] = 0;
            DWords[1] = 0;
            DWords[2] = 0;
            DWords[3] = 0;
            is3Src = false;
            localInstNumber = 0;
            instNumber = 0;
        }

    void *operator new(size_t sz, Mem_Manager& m) {return m.alloc(sz);}

            inline uint32_t GetBits(const int HighBit, const int LowBit)
        {
                MUST_BE_TRUE(HighBit >= LowBit, "high bit must be >= low bit");

                int retValue;
                int HighDword = HighBit / BITS_PER_DWORD;
                int LowDword = LowBit / BITS_PER_DWORD;
                if (HighDword == LowDword)
                {
                    uint32_t Dword = HighDword;
                    int mask = (int)(0xffffffff >> (32 - (HighBit - LowBit + 1)));
                    uint32_t shift = LowBit - (Dword*BITS_PER_DWORD);

                    retValue = DWords[Dword] >> shift;
                    retValue &= mask;
                }
                else
                {
                    // only allow reading from at most 2 dwords
                    MUST_BE_TRUE(HighDword == LowDword + 1, "can't return > 32 bits");
                    uint32_t shift = LowBit - (LowDword*BITS_PER_DWORD);
                    retValue = DWords[LowDword] >> shift;
                    retValue |= GetBits(HighBit, (LowDword + 1) * BITS_PER_DWORD) << (32 - shift);
                }

                return retValue;
        }

        inline void SetBits(const uint32_t HighBit, const uint32_t LowBit, const uint32_t value)
        {
            MUST_BE_TRUE(HighBit >= LowBit, "high bit must be >= low bit");
            MUST_BE_TRUE(HighBit / BITS_PER_DWORD == LowBit / BITS_PER_DWORD, "function doesn't handle bits crossing dword");

            uint32_t maxvalue = ((1 << (HighBit - LowBit)) - 1) | (1 << (HighBit - LowBit));
            uint32_t newvalue = value;
            newvalue &= maxvalue;
            uint32_t Dword = HighBit / BITS_PER_DWORD;

            int mask = (int)(0xffffffff >> (32 - (HighBit - LowBit + 1)));
            uint32_t shift = LowBit - (Dword*BITS_PER_DWORD);
            mask <<= shift;
            DWords[Dword] &= ~mask;
            DWords[Dword] |= (newvalue << shift);
        }

        void SetIs3Src(bool _is3src) { is3Src = _is3src; };
        bool GetIs3Src() { return is3Src; };

    private:
        bool dontCompact = false;
        bool mustCompact;

    public:
        void SetDontCompactFlag(bool _d) { dontCompact = _d; };
        bool GetDontCompactFlag() { return dontCompact; };

        void SetMustCompactFlag(bool _m) { mustCompact = _m; };
        bool GetMustCompactFlag() { return mustCompact; };

        void SetInstNumber(uint32_t _n) { instNumber = _n; };
        uint32_t GetInstNumber() { return instNumber; };

        void SetGenOffset(uint64_t o) { genOffset = o; }
        uint64_t GetGenOffset() const { return genOffset; }

        bool isInitialized()
        {   // not all 0s
            return (!(DWords[0] == 0 &&
                DWords[1] == 0 &&
                DWords[2] == 0 &&
                DWords[3] == 0));
        }
    };
}

struct DebugFormatHeader
{
    uint32_t  magic;
    uint16_t stringCount;
    std::vector<std::string> strings;
    uint16_t offset;
};

namespace vISA
{
    class DebugInfoFormat
    {
    private:
        std::string   m_kernelName;
        mutable int m_kernelNameIntern;
        int      m_cisaOffset;
        uint64_t m_genOffset;

    public:
        DebugInfoFormat(std::string kernelName, int cisaOffset, uint64_t genOffset) :
            m_kernelName(kernelName),
            m_kernelNameIntern(-1),
            m_cisaOffset(cisaOffset),
            m_genOffset(genOffset)
        {

        }

        virtual ~DebugInfoFormat()
        {
        }

        DebugInfoFormat(DebugInfoFormat const & d)
        {
            m_kernelName = d.getKernelName();
            m_kernelNameIntern = d.getKernelNameIntern();
            m_cisaOffset = d.getCisaOffset();
            m_genOffset = d.getGenOffset();
        }

        DebugInfoFormat& operator= (const DebugInfoFormat& rhs)
        {
            m_kernelName = rhs.getKernelName();
            m_kernelNameIntern = rhs.getKernelNameIntern();
            m_cisaOffset = rhs.getCisaOffset();
            m_genOffset = rhs.getGenOffset();

            return *this;
        }

        std::string   getKernelName() const { return m_kernelName; }
        int      getKernelNameIntern() const { return m_kernelNameIntern; }
        int      getCisaOffset() const { return m_cisaOffset; }
        uint64_t getGenOffset() const { return m_genOffset; }

        void setKernelNameIntern(int intern) const { m_kernelNameIntern = intern; };
    };
}


/* A list of binary instructions */
/* FIX ME: delete each binary instruction inside BinInstList at the end*/
namespace vISA
{
class BinInstList : public std::vector<BinInst *> {};
}

//===----------------------------------------------------------------------===//
/// \brief Common base class for binary encoders
///

//===----------------------------------------------------------------------===//
/// \brief common IVB compaction source table
///

const uint32_t COMPACT_TABLE_SIZE = 32;
const uint32_t COMPACT_TABLE_SIZE_3SRC = 4;

static uint32_t IVBCompactControlTable[COMPACT_TABLE_SIZE]=
{
    0x00000002, //000,0000,0000,0000,0010
    0x00004000, //000,0100,0000,0000,0000
    0x00004001, //000,0100,0000,0000,0001
    0x00004002, //000,0100,0000,0000,0010
    0x00004003, //000,0100,0000,0000,0011
    0x00004004, //000,0100,0000,0000,0100
    0x00004005, //000,0100,0000,0000,0101
    0x00004007, //000,0100,0000,0000,0111
    0x00004008, //000,0100,0000,0000,1000
    0x00004009, //000,0100,0000,0000,1001
    0x0000400D, //000,0100,0000,0000,1101
    0x00006000, //000,0110,0000,0000,0000
    0x00006001, //000,0110,0000,0000,0001
    0x00006002, //000,0110,0000,0000,0010
    0x00006003, //000,0110,0000,0000,0011
    0x00006004, //000,0110,0000,0000,0100
    0x00006005, //000,0110,0000,0000,0101
    0x00006007, //000,0110,0000,0000,0111
    0x00006009, //000,0110,0000,0000,1001
    0x0000600D, //000,0110,0000,0000,1101
    0x00006010, //000,0110,0000,0001,0000
    0x00006100, //000,0110,0001,0000,0000
    0x00008000, //000,1000,0000,0000,0000
    0x00008002, //000,1000,0000,0000,0010
    0x00008004, //000,1000,0000,0000,0100
    0x00008100, //000,1000,0001,0000,0000
    0x00016000, //001,0110,0000,0000,0000
    0x00016010, //001,0110,0000,0001,0000
    0x00018000, //001,1000,0000,0000,0000
    0x00018100, //001,1000,0001,0000,0000
    0x00028000, //010,1000,0000,0000,0000
    0x00028100  //010,1000,0001,0000,0000
};

static uint32_t IVBCompactSourceTable[COMPACT_TABLE_SIZE]=
{
    0x00000000, //000000000000
    0x00000002, //000000000010
    0x00000010, //000000010000
    0x00000012, //000000010010
    0x00000018, //000000011000
    0x00000020, //000000100000
    0x00000028, //000000101000
    0x00000048, //000001001000
    0x00000050, //000001010000
    0x00000070, //000001110000
    0x00000078, //000001111000
    0x00000300, //001100000000
    0x00000302, //001100000010
    0x00000308, //001100001000
    0x00000310, //001100010000
    0x00000312, //001100010010
    0x00000320, //001100100000
    0x00000328, //001100101000
    0x00000338, //001100111000
    0x00000340, //001101000000
    0x00000342, //001101000010
    0x00000348, //001101001000
    0x00000350, //001101010000
    0x00000360, //001101100000
    0x00000368, //001101101000
    0x00000370, //001101110000
    0x00000371, //001101110001
    0x00000378, //001101111000
    0x00000468, //010001101000
    0x00000469, //010001101001
    0x0000046A, //010001101010
    0x00000588  //010110001000
};

static uint32_t IVBCompactSubRegTable[COMPACT_TABLE_SIZE]=
{
    0x00000000, //000,0000,0000,0000
    0x00000001, //000,0000,0000,0001
    0x00000008, //000,0000,0000,1000
    0x0000000F, //000,0000,0000,1111
    0x00000010, //000,0000,0001,0000
    0x00000080, //000,0000,1000,0000
    0x00000100, //000,0001,0000,0000
    0x00000180, //000,0001,1000,0000
    0x00000200, //000,0010,0000,0000
    0x00000210, //000,0010,0001,0000
    0x00000280, //000,0010,1000,0000
    0x00001000, //001,0000,0000,0000
    0x00001001, //001,0000,0000,0001
    0x00001081, //001,0000,1000,0001
    0x00001082, //001,0000,1000,0010
    0x00001083, //001,0000,1000,0011
    0x00001084, //001,0000,1000,0100
    0x00001087, //001,0000,1000,0111
    0x00001088, //001,0000,1000,1000
    0x0000108E, //001,0000,1000,1110
    0x0000108F, //001,0000,1000,1111
    0x00001180, //001,0001,1000,0000
    0x000011E8, //001,0001,1110,1000
    0x00002000, //010,0000,0000,0000
    0x00002180, //010,0001,1000,0000
    0x00003000, //011,0000,0000,0000
    0x00003C87, //011,1100,1000,0111
    0x00004000, //100,0000,0000,0000
    0x00005000, //101,0000,0000,0000
    0x00006000, //110,0000,0000,0000
    0x00007000, //111,0000,0000,0000
    0x0000701C  //111,0000,0001,1100
};
static uint32_t IVBCompactDataTypeTable[COMPACT_TABLE_SIZE]=
{
    0x00008001, //00,1000,0000,0000,0001
    0x00008020, //00,1000,0000,0010,0000
    0x00008021, //00,1000,0000,0010,0001
    0x00008061, //00,1000,0000,0110,0001
    0x000080BD, //00,1000,0000,1011,1101
    0x000082FD, //00,1000,0010,1111,1101
    0x000083A1, //00,1000,0011,1010,0001
    0x000083A5, //00,1000,0011,1010,0101
    0x000083BD, //00,1000,0011,1011,1101
    0x00008421, //00,1000,0100,0010,0001
    0x00008C20, //00,1000,1100,0010,0000
    0x00008C21, //00,1000,1100,0010,0001
    0x000094A5, //00,1001,0100,1010,0101
    0x00009CA4, //00,1001,1100,1010,0100
    0x00009CA5, //00,1001,1100,1010,0101
    0x0000F3BD, //00,1111,0011,1011,1101
    0x0000F79D, //00,1111,0111,1001,1101
    0x0000F7BC, //00,1111,0111,1011,1100
    0x0000F7BD, //00,1111,0111,1011,1101
    0x0000FFBC, //00,1111,1111,1011,1100
    0x0000020C, //00,0000,0010,0000,1100
    0x0000803D, //00,1000,0000,0011,1101
    0x000080A5, //00,1000,0000,1010,0101
    0x00008420, //00,1000,0100,0010,0000
    0x000094A4, //00,1001,0100,1010,0100
    0x00009C84, //00,1001,1100,1000,0100
    0x0000A509, //00,1010,0101,0000,1001
    0x0000DFBD, //00,1101,1111,1011,1101
    0x0000FFBD, //00,1111,1111,1011,1101
    0x0000BDAC, //00,1011,1101,1010,1100
    0x0000A528, //00,1010,0101,0010,1000
    0x0000AD28  //00,1010,1101,0010,100
};

// DataTypeIndex Compact Instruction Field Mappings 1/2 Source Operands DevBDW
// DataTypeIndex 21-Bit Mapping Mapped Meaning

static uint32_t BDWCompactDataTypeTable[COMPACT_TABLE_SIZE]=
{
    0x00040001, //001000000000000000001
    0x00040040, //001000000000001000000
    0x00040041, //001000000000001000001
    0x000400C1, //001000000000011000001
    0x0004015D, //001000000000101011101
    0x000405DD, //001000000010111011101
    0x00040741, //001000000011101000001
    0x00040745, //001000000011101000101
    0x0004075D, //001000000011101011101
    0x00041041, //001000001000001000001
    0x00043040, //001000011000001000000
    0x00043041, //001000011000001000001
    0x00045145, //001000101000101000101
    0x00047144, //001000111000101000100
    0x00047145, //001000111000101000101
    0x0005C75D, //001011100011101011101
    0x0005D71D, //001011101011100011101
    0x0005D75C, //001011101011101011100
    0x0005D75D, //001011101011101011101
    0x0005F75C, //001011111011101011100
    0x0000040C, //000000000010000001100
    0x0004005D, //001000000000001011101
    0x00040145, //001000000000101000101
    0x00041040, //001000001000001000000
    0x00045144, //001000101000101000100
    0x00047104, //001000111000100000100
    0x00049209, //001001001001000001001
    0x0005775D, //001010111011101011101
    0x0005F75D, //001011111011101011101
    0x0004F34C, //001001111001101001100
    0x00049248, //001001001001001001000
    0x0004B248, //001001011001001001000
};

static uint32_t ICLCompactDataTypeTable[COMPACT_TABLE_SIZE] =
{
    0x40001, // 001000000000000000001
    0x40040, // 001000000000001000000
    0x40041, // 001000000000001000001
    0x400C1, // 001000000000011000001
    0x40165, // 001000000000101100101
    0x40BE5, // 001000000101111100101	
    0x40941, // 001000000100101000001
    0x40945, // 001000000100101000101
    0x40965, // 001000000100101100101
    0x41041, // 001000001000001000001
    0x43040, // 001000011000001000000
    0x43041, // 001000011000001000001
    0x45145, // 001000101000101000101
    0x47144, // 001000111000101000100
    0x47145, // 001000111000101000101
    0x64965, // 001100100100101100101
    0x65925, // 001100101100100100101
    0x65964, // 001100101100101100100
    0x65965, // 001100101100101100101
    0x67964, // 001100111100101100100
    0x0040C, // 000000000010000001100 
    0x40065, // 001000000000001100101
    0x40145, // 001000000000101000101
    0x41040, // 001000001000001000000
    0x45144, // 001000101000101000100
    0x47104, // 001000111000100000100
    0x49209, // 001001001001000001001
    0x6F965, // 001101111100101100101
    0x67965, // 001100111100101100101
    0x4F34C, // 001001111001101001100
    0x49248, // 001001001001001001000
    0x4B248, // 001001011001001001000
};

// ControlIndex Compact Instruction Field Mappings 3 Source Operands BDW/CHV
static uint32_t BDWCompactControlTable3Src[COMPACT_TABLE_SIZE_3SRC]=
{
    0x00806001, //100000000110000000000001
    0x00006001, //000000000110000000000001
    0x00008001, //000000001000000000000001
    0x00008021, //000000001000000000100001
};

// SourceIndex Compact Instruction Field Mappings 3 Source Operands BDW/CHV
static uint64_t BDWCompactSourceTable3Src[COMPACT_TABLE_SIZE_3SRC]=
{
    0x07272720F000, //0001110010011100100111001000001111000000000000
    0x07272720F002, //0001110010011100100111001000001111000000000010
    0x07272720F008, //0001110010011100100111001000001111000000001000
    0x07272720F020, //0001110010011100100111001000001111000000100000
};

static struct _CompactDataTypeTable_
{
    union Data
    {
        struct
        {
            uint32_t Bits_046_032 : 15;
            uint32_t Bits_063_061 :  3;
            uint32_t Reserved     : 14;
        } sData;
        uint32_t ulData;
    };

    uint32_t GetBits_063_061(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Datatype Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_063_061;
    }

    uint32_t GetBits_046_032(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Datatype Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_046_032;
    }

    bool FindIndex(uint32_t &index,
        uint32_t bits_063_061,
        uint32_t bits_046_032)
    {
        for (index = 0; index < COMPACT_TABLE_SIZE; ++index)
        {
            Data data;
            data.ulData = Values[index];
            if (data.sData.Bits_063_061 == bits_063_061 &&
                data.sData.Bits_046_032 == bits_046_032)
            {
                return true;
            }
        }
        return false;
    }

    uint32_t Values[COMPACT_TABLE_SIZE];
} CompactDataTypeTable;

static struct _CompactSubRegTable_
{
    union Data
    {
        struct
        {
            uint32_t Bits_052_048 :  5;
            uint32_t Bits_068_064 :  5;
            uint32_t Bits_100_096 :  5;
            uint32_t Reserved     : 17;
        } sData;
        uint32_t ulData;
    };

    uint32_t GetBits_100_096(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Subreg Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_100_096;
    }

    uint32_t GetBits_068_064(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Subreg Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_068_064;
    }

    uint32_t GetBits_052_048(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Subreg Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_052_048;
    }

    bool FindIndex(uint32_t &index,
        uint32_t bits_100_096,
        uint32_t bits_068_064,
        uint32_t bits_052_048)
    {
        for (index = 0; index < COMPACT_TABLE_SIZE; ++index)
        {
            Data data;
            data.ulData = Values[index];
            if (data.sData.Bits_100_096 == bits_100_096 &&
                data.sData.Bits_068_064 == bits_068_064 &&
                data.sData.Bits_052_048 == bits_052_048)
            {
                return true;
            }
        }
        return false;
    }

    bool HasMatch(uint32_t &index, uint32_t bits_100_096, uint32_t bits_068_064, uint32_t bits_052_048, unsigned int match_mask)
    {
        bool match[3];
        match[0] = (match_mask & 0x1) == 0x1;
        match[1] = (match_mask & 0x2) == 0x2;
        match[2] = (match_mask & 0x4) == 0x4;

        for (index = 0; index < COMPACT_TABLE_SIZE; ++index)
        {
            Data data;
            data.ulData = Values[index];
            bool found[3] = {false, false, false};

            for (int i =0;i<3;i++)
            {
                if (!match[i])
                    found[i] = true;
            }

            if (match[0] && (data.sData.Bits_052_048 == bits_052_048))
            {
                found[0] = true;
            }

            if (match[1] && (data.sData.Bits_068_064 == bits_068_064))
            {
                found[1] = true;
            }

            if (match[2] && (data.sData.Bits_100_096 == bits_100_096))
            {
                found[2] = true;
            }

            if(found[0] && found[1] && found[2])
                return true;
        }

        return false;
    }

    uint32_t Values[COMPACT_TABLE_SIZE];
} CompactSubRegTable;

static struct _CompactSourceTable_
{
    uint32_t GetBits_120_109(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Source Table range.");
        return Values[index];
    }

    uint32_t GetBits_088_077(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Source Table range.");
        return Values[index];
    }

    bool FindIndex(uint32_t &index, uint32_t bits)
    {
        for (index = 0; index < COMPACT_TABLE_SIZE; ++index)
        {
            if (Values[index] == bits)
            {
                return true;
            }
        }
        return false;
    }

    uint32_t Values[COMPACT_TABLE_SIZE];
} CompactSourceTable;

namespace vISA
{
    class _BDWCompactControlTable_
    {
        const static unsigned maxEntry = 111;
    Mem_Manager& mem;

        struct HashNode
        {
            uint32_t key;
            uint8_t  idx;
            HashNode* next;

            HashNode(uint32_t k, uint8_t i, HashNode *nxt) : key(k), idx(i), next(nxt) {}
        void *operator new(size_t sz, Mem_Manager& m) {return m.alloc(sz);}
        };

        HashNode* table[maxEntry];

        unsigned FindEntry(uint32_t key)
        {
            return key % maxEntry;
            // return (key & 0xF) | (key >> 9);
        }

    public:

    _BDWCompactControlTable_ (Mem_Manager& m) : mem(m)
        {
            for (unsigned i = 0; i < maxEntry; i++)
                table[i] = NULL;
        }

        bool FindIndex(uint32_t &index,
            uint32_t bits_033_032,
            uint32_t bits_031_031,
            uint32_t bits_023_012,
            uint32_t bits_010_009,
            uint32_t bits_034_034,
            uint32_t bits_008_008)
        {
            uint32_t i = bits_008_008 |
                (bits_034_034 << 1) |
                (bits_010_009 << 2) |
                (bits_023_012 << 4) |
                (bits_031_031 << 16) |
                (bits_033_032 << 17);
            for (HashNode* n = table[FindEntry(i)]; n != NULL; n = n->next)
            {
                if (n->key == i)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        void AddIndex(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry(key);
            table[entry] = new (mem)HashNode(key, idx, table[entry]);
        }
    };

    class _BDWCompactSourceTable_
    {
        const static unsigned maxEntry = 61;
    Mem_Manager& mem;

        struct HashNode
        {
            uint32_t key;
            uint8_t  idx;
            HashNode* next;

            HashNode(uint32_t k, uint8_t i, HashNode *nxt) : key(k), idx(i), next(nxt) {}
        void *operator new(size_t sz, Mem_Manager& m) {return m.alloc(sz);}
        };

        HashNode* table[maxEntry];

        unsigned FindEntry(uint32_t key)
        {
            return key % maxEntry;
            //return (key & 0x3) | ((key & 0x3f8) >> 1);
        }

    public:

    _BDWCompactSourceTable_ (Mem_Manager& m) : mem(m)
        {
            for (unsigned i = 0; i < maxEntry; i++)
                table[i] = NULL;
        }

        bool FindIndex(uint32_t &index, uint32_t bits)
        {
            for (HashNode* n = table[FindEntry(bits)]; n != NULL; n = n->next)
            {
                if (n->key == bits)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        void AddIndex(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry(key);
            table[entry] = new (mem)HashNode(key, idx, table[entry]);
        }

        uint32_t GetBits_120_109(uint32_t index)
        {
            return IVBCompactSourceTable[index];
        }

        uint32_t GetBits_088_077(uint32_t index)
        {
            return IVBCompactSourceTable[index];
        }
    };

    class _BDWCompactSubRegTable_
    {
        const static unsigned maxEntry = 37;
        const static unsigned maxEntry1 = 37;
        const static unsigned maxEntry2 = 37;

    Mem_Manager& mem;

        struct HashNode
        {
            uint32_t key;
            uint8_t  idx;
            HashNode* next;

            HashNode(uint32_t k, uint8_t i, HashNode *nxt) : key(k), idx(i), next(nxt) {}
        void *operator new(size_t sz, Mem_Manager& m) {return m.alloc(sz);}
        };

        HashNode* table[maxEntry];
        HashNode* table1[maxEntry1];
        HashNode* table2[maxEntry2];

        unsigned FindEntry(uint32_t key)
        {
            return key % maxEntry;
            //return (key >> 12) | ((key & 0xF) << 3) | (key & 0x380) ;
        }

        unsigned FindEntry1(uint32_t key)
        {
            return key % maxEntry1;
        }

        unsigned FindEntry2(uint32_t key)
        {
            return key % maxEntry2;
        }

    public:

    _BDWCompactSubRegTable_ (Mem_Manager& m) : mem(m)
        {
            for (unsigned i = 0; i < maxEntry; i++)
            {
                table[i] = table1[i] = table2[i] = NULL;
            }
        }

        bool FindIndex(uint32_t &index,
            uint32_t bits_100_096,
            uint32_t bits_068_064,
            uint32_t bits_052_048)
        {
            uint32_t i = bits_052_048 |
                (bits_068_064 << 5) |
                (bits_100_096 << 10);
            for (HashNode* n = table[FindEntry(i)]; n != NULL; n = n->next)
            {
                if (n->key == i)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        bool FindIndex1(uint32_t &index,
            uint32_t bits_052_048)
        {
            for (HashNode* n = table1[FindEntry1(bits_052_048)]; n != NULL; n = n->next)
            {
                if (n->key == bits_052_048)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        bool FindIndex2(uint32_t &index,
            uint32_t bits_068_064,
            uint32_t bits_052_048)
        {
            uint32_t i = bits_052_048 |
                (bits_068_064 << 5);
            for (HashNode* n = table2[FindEntry2(i)]; n != NULL; n = n->next)
            {
                if (n->key == i)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        void AddIndex(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry(key);
            table[entry] = new (mem)HashNode(key, idx, table[entry]);
        }

        void AddIndex1(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry1(key);
            HashNode* n = table1[entry];
            for (; n != NULL; n = n->next)
            {
                if (n->key == key)
                {
                    break;
                }
            }
            if (n == NULL)
            {
                table1[entry] = new (mem)HashNode(key, idx, table1[entry]);
            }
        }

        void AddIndex2(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry2(key);
            HashNode* n = table2[entry];
            for (; n != NULL; n = n->next)
            {
                if (n->key == key)
                {
                    break;
                }
            }
            if (n == NULL)
            {
                table2[entry] = new (mem)HashNode(key, idx, table2[entry]);
            }
        }

        uint32_t GetBits_100_096(uint32_t index)
        {
            return IVBCompactSubRegTable[index] >> 10;
        }

        uint32_t GetBits_068_064(uint32_t index)
        {
            return (IVBCompactSubRegTable[index] & 0x000003E0) >> 5;
        }

        uint32_t GetBits_052_048(uint32_t index)
        {
            return IVBCompactSubRegTable[index] & 0x0000001F;
        }

    };

    // add Str in below struct to differentiate its loop up table
    class _BDWCompactDataTypeTableStr_
    {
        const static unsigned maxEntry = 111;
    Mem_Manager& mem;

        struct HashNode
        {
            uint32_t key;
            uint8_t  idx;
            HashNode* next;

            HashNode(uint32_t k, uint8_t i, HashNode *nxt) : key(k), idx(i), next(nxt) {}
        void *operator new(size_t sz, Mem_Manager& m) {return m.alloc(sz);}
        };

        HashNode* table[maxEntry];

        unsigned FindEntry(uint32_t key)
        {
            return key % maxEntry;
            //return ((key & 0x3FC) >> 2) | ((key & 0x3000) >> 4);
        }

    public:

    _BDWCompactDataTypeTableStr_ (Mem_Manager& m) : mem(m)
        {
            for (unsigned i = 0; i < maxEntry; i++)
                table[i] = NULL;
        }

        bool FindIndex(uint32_t &index,
            uint32_t bits_063_061,
            uint32_t bits_094_089,
            uint32_t bits_046_035)
        {
            uint32_t i = 0;
            i = bits_046_035 |
                (bits_094_089 << 12) |
                (bits_063_061 << 18);
            for (HashNode* n = table[FindEntry(i)]; n != NULL; n = n->next)
            {
                if (n->key == i)
                {
                    index = n->idx;
                    return true;
                }
            }
            return false;
        }

        void AddIndex(uint32_t key, uint8_t idx)
        {
            int entry = FindEntry(key);
            table[entry] = new (mem)HashNode(key, idx, table[entry]);
        }

    };
}
extern unsigned long bitsSrcRegFile[4];// = {128, 128, 128, 128};
extern unsigned long bits3SrcFlagRegNum[2];// = {128, 128};
extern unsigned long bitsFlagRegNum[2];// = {128, 128};

#define SET_BIT_RANGE(field, high, low) \
    (field)[0] = high;  \
    (field)[1] = low;

#define SET_BIT_RANGES(field, high1, low1, high2, low2) \
    (field)[0] = high1;  \
    (field)[1] = low1;   \
    (field)[2] = high2;  \
    (field)[3] = low2;

// below are extended for BDW/CHV compaction
namespace vISA
{
    class _CompactControl3Src_
    {
        uint32_t Values[COMPACT_TABLE_SIZE_3SRC];
        union Data
        {
            struct
            {
                uint32_t Bits_028_008 : 21;
                uint32_t Bits_034_032 : 3;
                // bits 36-35 are only for CHV, reserved for BDW
                uint32_t Bits_036_035 : 2;
                uint32_t Reserved : 6;
            } sData;
            uint32_t ulData;
        };

        uint32_t GetBit_028_008(uint32_t index)
        {
            MUST_BE_TRUE(index < COMPACT_TABLE_SIZE_3SRC, "Out of Control Bit Compact Table range.");
            Data data;
            data.ulData = Values[index];
            return data.sData.Bits_028_008;
        }

        uint32_t GetBits_034_032(uint32_t index)
        {
            MUST_BE_TRUE(index < COMPACT_TABLE_SIZE_3SRC, "Out of Control Bit Compact Table range.");
            Data data;
            data.ulData = Values[index];
            return data.sData.Bits_034_032;
        }

        uint32_t GetBits_036_035(uint32_t index)
        {
            MUST_BE_TRUE(index < COMPACT_TABLE_SIZE_3SRC, "Out of Control Bit Compact Table range.");
            Data data;
            data.ulData = Values[index];
            return data.sData.Bits_036_035;
        }

    public:
        bool FindBDWIndex(uint32_t &index,
            uint32_t bits_034_032,
            uint32_t bits_028_008)
        {
            for (index = 0; index < COMPACT_TABLE_SIZE_3SRC; ++index)
            {
                Data data;
                data.ulData = Values[index];
                if (data.sData.Bits_034_032 == bits_034_032 &&
                    data.sData.Bits_028_008 == bits_028_008)
                {
                    return true;
                }
            }
            return false;
        }

        bool FindCHVIndex(uint32_t &index,
            uint32_t bits_036_035,
            uint32_t bits_034_032,
            uint32_t bits_028_008)
        {
            for (index = 0; index < COMPACT_TABLE_SIZE_3SRC; ++index)
            {
                Data data;
                data.ulData = Values[index];
                if (data.sData.Bits_036_035 == bits_036_035 &&
                    data.sData.Bits_034_032 == bits_034_032 &&
                    data.sData.Bits_028_008 == bits_028_008)
                {
                    return true;
                }
            }
            return false;
        }

        _CompactControl3Src_()
        {
            TARGET_PLATFORM platform = getGenxPlatform();
            if (platform == GENX_BDW)
            {
                for (int i = 0; i < (int)COMPACT_TABLE_SIZE_3SRC; i++)
                {
                    Values[i] = BDWCompactControlTable3Src[i];
                }
            }
            else if (platform >= GENX_CHV)
            {
                // CHV is the same as BDW, except for:
                // -- 2 extra leading bits (00) for the control table (26 v. 24 bits)
                // -- 3 extra leading bits (000) for the source table (49 v. 46 bits)
                // as such, we use the same tables from BDW
                // initialization of 3src compaction table for both CHV and SKL
                for (int i = 0; i < (int)COMPACT_TABLE_SIZE_3SRC; i++)
                {
                    Values[i] = BDWCompactControlTable3Src[i];
                }
            }
        }

    };

    class _CompactSourceTable3Src_
    {
        uint64_t Values[COMPACT_TABLE_SIZE_3SRC];
        union Data
        {
            struct
            {
                // we have to use uint64_t since Bits_093_086 straddles dword
                uint64_t Bits_055_037 : 19;
                uint64_t Bits_072_065 : 8;
                uint64_t Bits_093_086 : 8;
                uint64_t Bits_114_107 : 8;
                uint64_t Bits_083_083 : 1;
                uint64_t Bits_104_104 : 1;
                uint64_t Bits_125_125 : 1;
                uint64_t Reserved : 18;
            } sData;
            uint64_t ulData;
        };
    public:
        bool FindIndex(uint32_t &index,
            uint32_t bits_125_125,
            uint32_t bits_104_104,
            uint32_t bits_083_083,
            uint32_t bits_114_107,
            uint32_t bits_093_086,
            uint32_t bits_072_065,
            uint32_t bits_055_037)
        {

            for (index = 0; index < COMPACT_TABLE_SIZE_3SRC; ++index)
            {
                Data data;
                data.ulData = Values[index];
                if (data.sData.Bits_125_125 == bits_125_125  &&
                    data.sData.Bits_104_104 == bits_104_104  &&
                    data.sData.Bits_083_083 == bits_083_083  &&
                    data.sData.Bits_114_107 == bits_114_107  &&
                    data.sData.Bits_093_086 == bits_093_086  &&
                    data.sData.Bits_072_065 == bits_072_065  &&
                    data.sData.Bits_055_037 == bits_055_037)
                {
                    return true;
                }
            }
            return false;
        }


        _CompactSourceTable3Src_()
        {
            TARGET_PLATFORM platform = getGenxPlatform();
            if (platform == GENX_BDW)
            {
                for (int i = 0; i < (int)COMPACT_TABLE_SIZE_3SRC; i++)
                {
                    Values[i] = BDWCompactSourceTable3Src[i];
                }
            }
        }
    };

    class _CompactSourceTable3SrcCHV_
    {
    public:
        union Data
        {
            struct
            {
                uint64_t Bits_055_037 : 19;
                uint64_t Bits_072_065 : 8;
                uint64_t Bits_093_086 : 8;
                uint64_t Bits_114_107 : 8;
                uint64_t Bits_084_083 : 2;
                uint64_t Bits_105_104 : 2;
                uint64_t Bits_126_125 : 2;
                uint64_t Reserved : 17;
            } sData;
            uint64_t ulData;
        };

        bool FindIndex(uint32_t &index,
            uint32_t bits_126_125,
            uint32_t bits_105_104,
            uint32_t bits_084_083,
            uint32_t bits_114_107,
            uint32_t bits_093_086,
            uint32_t bits_072_065,
            uint32_t bits_055_037)
        {

            for (index = 0; index < COMPACT_TABLE_SIZE_3SRC; ++index)
            {
                Data data;
                data.ulData = Values[index];
                if (data.sData.Bits_126_125 == bits_126_125  &&
                    data.sData.Bits_105_104 == bits_105_104  &&
                    data.sData.Bits_084_083 == bits_084_083  &&
                    data.sData.Bits_114_107 == bits_114_107  &&
                    data.sData.Bits_093_086 == bits_093_086  &&
                    data.sData.Bits_072_065 == bits_072_065  &&
                    data.sData.Bits_055_037 == bits_055_037)
                {
                    return true;
                }
            }
            return false;
        }

        _CompactSourceTable3SrcCHV_()
        {
            TARGET_PLATFORM platform = getGenxPlatform();
            if (platform >= GENX_CHV)
            {
                // CHV is the same as BDW, except for:
                // -- 2 extra leading bits (00) for the control table (26 v. 24 bits)
                // -- 3 extra leading bits (000) for the source table (49 v. 46 bits)
                // as such, we use the same tables from BDW
                // initialization of 3src compaction table for both CHV and SKL
                for (int i = 0; i < (int)COMPACT_TABLE_SIZE_3SRC; i++)
                {
                    Values[i] = BDWCompactSourceTable3Src[i];
                }
            }
        }
        uint64_t Values[COMPACT_TABLE_SIZE_3SRC];
    };
}

namespace vISA
{
    class BinaryEncodingBase
    {
    public:
        _BDWCompactControlTable_ BDWCompactControlTable;
        _BDWCompactSourceTable_ BDWCompactSourceTable;
        _BDWCompactSubRegTable_ BDWCompactSubRegTable;
        _BDWCompactDataTypeTableStr_ BDWCompactDataTypeTableStr;
        _CompactControl3Src_ CompactControlTable3Src;
        _CompactSourceTable3Src_ CompactSourceTable3Src;
        _CompactSourceTable3SrcCHV_ CompactSourceTable3SrcCHV;

    BinaryEncodingBase(Mem_Manager &m, G4_Kernel& k, std::string fname) 
        : BDWCompactControlTable(m),
        BDWCompactSourceTable(m),
        BDWCompactSubRegTable(m),
        BDWCompactDataTypeTableStr(m),
        mem(m),
        fileName(fname),
        kernel(k),
        instCounts(0)
    {
    }

        typedef enum { SUCCESS, FAILURE } Status;

        BinInstList& getBinInstList() { return binInstList; }

        virtual ~BinaryEncodingBase()
        {
        }

        bool isBBBinInstEmpty(G4_BB *bb);
        G4_INST *getFirstNonLabelInst(G4_BB *bb);

        void BuildLabelMap(G4_INST *, int&, int&, int&, int&);
        virtual void SetCompactCtrl(BinInst *mybin, uint32_t value) = 0;
        virtual uint32_t GetCompactCtrl(BinInst *mybin) = 0;

        void FixInst();
        void FixAlign16Inst(G4_INST* inst);
        void FixMathInst(G4_INST* inst);

        void ProduceBinaryBuf(void* &);
        void *EmitBinary(uint32_t&);
        virtual Status WriteToDatFile();

        virtual void DoAll() = 0;


        uint32_t GetInstCounts() { return instCounts; };
        void SetInstCounts(uint32_t _i) { instCounts = _i; };

        void computeBinaryOffsets();

        bool compactOneInstruction(G4_INST *);
        bool BDWcompactOneInstruction(G4_INST *);
        bool BDWcompactOneInstruction3Src(G4_INST *);
        bool CHVcompactOneInstruction3Src(G4_INST *);
        bool uncompactOneInstruction(G4_INST *);

        bool doCompaction() const
        {
            return kernel.getOption(vISA_Compaction);
        }

    protected:

        // returns the offset for label in # of half instructions (kernel entry is 0), or -1 if the label is not present
        inline uint32_t GetLabelInfo(std::map<std::string, uint32_t>& LabelMap,
            std::string& label)
        {
            auto iter = LabelMap.find(label);
            if (iter == LabelMap.end())
            {
                return -1;
            }
            return iter->second;
        }

        Mem_Manager     &mem;     ///< Reference to the memory manager
        std::string          fileName; ///< Name of the binary file
        G4_Kernel&      kernel;
        BinInstList     binInstList; ///< Reference to the binary instructions
        std::map<std::string, uint32_t> LabelMap;

        uint32_t        instCounts;

    public:
        // all platform specific bit locations are initialized here
        static void InitPlatform()
        {
            // BDW+ encoding
            SET_BIT_RANGE(bitsFlagRegNum, 33, 33);
            SET_BIT_RANGE(bits3SrcFlagRegNum, 33, 33);
            SET_BIT_RANGES(bitsSrcRegFile, 42, 41, 90, 89);
        }

        inline uint32_t GetSrc0RegFile(BinInst *mybin)
        {
            if (mybin->GetIs3Src())
                return REG_FILE_R;
            else
                return mybin->GetBits(bitsSrcRegFile[0], bitsSrcRegFile[1]);
        }

        inline uint32_t GetSrc1RegFile(BinInst *mybin)
        {
            if (mybin->GetIs3Src())
                return REG_FILE_R;
            else
                return mybin->GetBits(bitsSrcRegFile[2], bitsSrcRegFile[3]);
        }
        inline uint32_t GetFlagRegNum(BinInst *mybin)
        {
            if (mybin->GetIs3Src())
                return mybin->GetBits(bits3SrcFlagRegNum[0], bits3SrcFlagRegNum[1]);
            else
                return mybin->GetBits(bitsFlagRegNum[0], bitsFlagRegNum[1]);
        }
        inline void SetFlagRegNum(BinInst *mybin, uint32_t value)
        {
            if (mybin->GetIs3Src())
                mybin->SetBits(bits3SrcFlagRegNum[0], bits3SrcFlagRegNum[1], value);
            else
                mybin->SetBits(bitsFlagRegNum[0], bitsFlagRegNum[1], value);
        }

        // Should use G9HDL::EU_OPCODE as return type. But Forward declaration of enum
        // fails for linux, so use uint32_t as WA for now.
        uint32_t getEUOpcode(G4_opcode g4opc);  // defined in BinaryEncodingCNL.cpp
    };
}

namespace vISA
{
    inline void BinaryEncodingBase::BuildLabelMap(G4_INST *inst,
        int& localHalfInstNum,
        int& localInstNum,
        int& globalHalfInstNum,
        int& globalInstNum)
    {
        if (inst->isLabel())
        {
            this->LabelMap[inst->getLabelStr()] = globalHalfInstNum;
        }
        else
        {
            BinInst *bin = inst->getBinInst();
            for (auto i = 0; i < inst->getNumSrc(); i++)
            {
                if (inst->getSrc(i) &&
                    inst->getSrc(i)->isRelocImm())
                {
                    unsigned int opndOff = ((G4_Reloc_Imm*)inst->getSrc(i))->getNativeOffset();
                    ((G4_Reloc_Imm*)inst->getSrc(i))->setNativeOffset((globalHalfInstNum * 8) + opndOff);
                }
            }

            localInstNum++;
            globalInstNum++;
            if (GetCompactCtrl(bin))
            {
                localHalfInstNum += 1;
                globalHalfInstNum += 1;
            }
            else
            {
                localHalfInstNum += 2;
                globalHalfInstNum += 2;
            }
        }
    }


    /**
     * labels will be skipped in encoding stage and calculated in computeOffset()
     */
    inline bool EncodingHelper::hasLabelString(G4_INST *inst)
    {
        G4_opcode op = inst->opcode();
        if (op == G4_label ||
            op == G4_break ||
            op == G4_cont ||
            op == G4_halt ||
            op == G4_endif)
            return true;
        else if (op == G4_call             &&
            inst->getSrc(0) &&
            inst->getSrc(0)->isLabel())
        {
            return true;
        }
        else if (op == G4_jmpi             &&
            inst->getSrc(0) &&
            inst->getSrc(0)->isLabel())
        {
            return true;
        }

        return false;
    }

    //////////////////////////////////////////////////////////////////////////
    inline void EncodingHelper::mark3Src(G4_INST* inst)
    {
        BinInst *mybin = inst->getBinInst();

        if (G4_Inst_Table[inst->opcode()].n_srcs == 3 &&
            !inst->isSend())
        {
            mybin->SetIs3Src(true);
        }
        else
        {
            mybin->SetIs3Src(false);
        }
    }

    /// Returns the register file of source operands.
    inline RegFile EncodingHelper::GetSrcRegFile(G4_Operand *src) {
        if (src->isImm())
            return REG_FILE_I;

        G4_SrcRegRegion* srcRegRegion = src->asSrcRegRegion();

        if (srcRegRegion->isIndirect())
        {
            return REG_FILE_R;
        }

        G4_VarBase* base = srcRegRegion->getBase();

        if (base->isRegVar())
        {
            G4_VarBase *opnd = base->asRegVar()->getPhyReg();
            if (opnd->isAreg())
                return REG_FILE_A;
            else if (opnd->isGreg())
                return REG_FILE_R;
        }
        else {
            if (base->isAreg())
                return REG_FILE_A;
            else if (base->isGreg())
                return REG_FILE_R;
        }

        MUST_BE_TRUE(false, "invalid src regfile");
        return REG_FILE_R;
    }

    //////////////////////////////////////////////////////////////////////////
    inline AddrMode EncodingHelper::GetDstAddrMode(G4_DstRegRegion *dst)
    {
        if (dst->getRegAccess() == Direct)
            return ADDR_MODE_IMMED;
        else
            return ADDR_MODE_INDIR;
    }

    //////////////////////////////////////////////////////////////////////////
    inline AddrMode EncodingHelper::GetSrcAddrMode(G4_Operand *src)
    {
        if (src->isSrcRegRegion())
        {
            if (src->asSrcRegRegion()->getRegAccess() == Direct)
                return ADDR_MODE_IMMED;
            else
                return ADDR_MODE_INDIR;
        }

        return ADDR_MODE_IMMED;
    }

    //////////////////////////////////////////////////////////////////////////
    inline unsigned short EncodingHelper::GetElementSizeValue(G4_Operand *opnd)
    {
        unsigned short ElementSizeValue = 0;
        switch (opnd->getType())
        {
        case Type_B:
        case Type_UB:
            ElementSizeValue = 1;
            break;
        case Type_UW:
        case Type_W:
        case Type_HF:
            ElementSizeValue = 2;
            break;
        case Type_UD:
        case Type_D:
        case Type_F:
            ElementSizeValue = 4;
            break;
        case Type_DF:
            ElementSizeValue = 8;
            break;
        case Type_Q:
        case Type_UQ:
            ElementSizeValue = 8;
            break;
        default: // error here
            break;
        }
        return ElementSizeValue;
    }

    //////////////////////////////////////////////////////////////////////////
    inline uint32_t EncodingHelper::GetDstArchRegType(G4_DstRegRegion *opnd)
    {
        G4_VarBase *base = opnd->getBase();

        if (base->isRegVar())
        {
            G4_VarBase *preg = base->asRegVar()->getPhyReg();
            return GetArchRegType(preg);
        }
        else
        {
            return GetArchRegType(base);
        }
    }

    //////////////////////////////////////////////////////////////////////////
    inline uint32_t EncodingHelper::GetArchRegType(G4_VarBase *opnd)
    {
        uint32_t kind = ARCH_REG_FILE_DBG_REG;
        if (opnd->isAreg()) {
            switch (((G4_Areg *)opnd)->getArchRegType()) {
            case AREG_NULL:
                kind = ARCH_REG_FILE_NULL;
                break;
            case AREG_A0:
                kind = ARCH_REG_FILE_A;
                break;
            case AREG_ACC0:
            case AREG_ACC1:
                kind = ARCH_REG_FILE_ACC;
                break;
            case AREG_MASK0:
                kind = ARCH_REG_FILE_CE_REG;
                break;
            case AREG_MS0:
                kind = ARCH_REG_FILE_MSG_REG;
                break;
            case AREG_DBG:
                kind = ARCH_REG_FILE_DBG_REG;
                break;
            case AREG_SR0:
                kind = ARCH_REG_FILE_STATE_REG;
                break;
            case AREG_CR0:
                kind = ARCH_REG_FILE_CNTL_REG;
                break;
            case AREG_TM0:
                kind = ARCH_REG_FILE_TM_REG;
                break;
            case AREG_N0:
            case AREG_N1:
                kind = ARCH_REG_FILE_NCNT_REG;
                break;
            case AREG_IP:
                kind = ARCH_REG_FILE_IP;
                break;
            case AREG_F0:
            case AREG_F1:
                kind = ARCH_REG_FILE_F;
                break;
            case AREG_TDR0:
                kind = ARCH_REG_FILE_TDR_REG;
                break;
            case AREG_SP:
                kind = ARCH_REG_FILE_SP_REG;
                break;
            default:
                kind = ARCH_REG_FILE_DBG_REG;
                //TODO: err message here except from send dst
            }
        }
        return kind;
    }

    //////////////////////////////////////////////////////////////////////////
    inline RegFile EncodingHelper::GetDstRegFile(G4_DstRegRegion *dst) {

        if (dst->isIndirect()) {
            return REG_FILE_R;
        }

        G4_VarBase *base = dst->getBase();

        if (base->isRegVar())
        {
            G4_VarBase *opnd = base->asRegVar()->getPhyReg();
            if (opnd->isAreg())
                return REG_FILE_A;
            else if (opnd->isGreg())
                return REG_FILE_R;
        }
        else {
            if (base->isAreg())
                return REG_FILE_A;
            else if (base->isGreg())
                return REG_FILE_R;
        }
        MUST_BE_TRUE(false, "invalid dst regfile");
        return REG_FILE_R;
    }

    //////////////////////////////////////////////////////////////////////////
    inline uint32_t GetEncodeExecSize(G4_INST* inst)
    {
        unsigned char execSize;
        G4_opcode op = inst->opcode();

        if (op == G4_nop || op == G4_wait || op == G4_jmpi)
        {
            return ES_1_CHANNEL;
        }

        execSize = inst->getExecSize();
        uint32_t exSz;
        switch (execSize)
        {
        case 1:
            exSz = ES_1_CHANNEL;
            break;
        case 2:
            exSz = ES_2_CHANNELS;
            break;
        case 4:
            exSz = ES_4_CHANNELS;
            break;
        case 8:
            exSz = ES_8_CHANNELS;
            break;
        case 16:
            exSz = ES_16_CHANNELS;
            break;
        case 32:
            exSz = ES_32_CHANNELS;
            break;
        default:
            MUST_BE_TRUE(0, "[Verifying]:[ERR]: Invalid execution size (" << (short)execSize << "):\t");
        }
        return exSz;
    }
}
#define bitsSrcImm32_0 127
#define bitsSrcImm32_1 96
#define bitsSrcImm32_2 127
#define bitsSrcImm32_3 96
#define bitsDebugCtrl_0 30
#define bitsDebugCtrl_1 30
#define bitsAccWrCtrl_0 28
#define bitsAccWrCtrl_1 28
#define bitsCondModifier_0 27
#define bitsCondModifier_1 24
#define bits3SrcDstRegNumHWord_0 63
#define bits3SrcDstRegNumHWord_1 56
#define bitsDstRegNumHWord_0 60
#define bitsDstRegNumHWord_1 53
#define bits64DebugCtrl_0 7
#define bits64DebugCtrl_1 7
#define bits64ControlIndex_0 12
#define bits64ControlIndex_1 8
#define bits64DataTypeIndex_0 17
#define bits64DataTypeIndex_1 13
#define bits64SubRegIndex_0 22
#define bits64SubRegIndex_1 18

// CondModifier [27:24] same as 128 bit
#define bits64FlagSubRegNum_0 28
#define bits64FlagSubRegNum_1 28

//change from reserve to AccWrCtrl
#define bits64AccWrCtrl_0 23
#define bits64AccWrCtrl_1 23

// CompactCtrl [29:29] same as 128 bit
#define bits64Src0Index_0 34
#define bits64Src0Index_1 32
#define bits64Src0Index_2 31
#define bits64Src0Index_3 30
#define bits64Src1Index_0 39
#define bits64Src1Index_1 35
#define bits64DstRegNum_0 47
#define bits64DstRegNum_1 40
#define bits64Src0RegNum_0 55
#define bits64Src0RegNum_1 48
#define bits64Src1RegNum_0 63
#define bits64Src1RegNum_1 56
#define bits3SrcSrcRegNumHWord_0 83
#define bits3SrcSrcRegNumHWord_1 76
#define bits3SrcSrcRegNumHWord_2 104
#define bits3SrcSrcRegNumHWord_3 97
#define bitsSrcRegNumHWord_0 76
#define bitsSrcRegNumHWord_1 69
#define bitsSrcRegNumHWord_2 108
#define bitsSrcRegNumHWord_3 101

static const uint32_t UNDEFINED_VALUE = 0x00000000;

namespace vISA
{
    inline uint32_t GetSrc0Imm32(BinInst *mybin)
    {
        if (mybin->GetIs3Src())
            return UNDEFINED_VALUE;
        else
            return mybin->GetBits(bitsSrcImm32_0, bitsSrcImm32_1);
    }

    inline uint32_t GetSrc1Imm32(BinInst *mybin)
    {
        if (mybin->GetIs3Src())
            return UNDEFINED_VALUE;
        else
            return mybin->GetBits(bitsSrcImm32_2, bitsSrcImm32_3);
    }

    inline bool CompactableImmediate(uint32_t Immediate)
    {
        // Each word needs to be of the format:
        // Old rule, not valid 000 0xxxx yyyyyyyy or 111 1xxxx yyyyyyyy

        //new rule, the 32 bit has to be
        //zzzzzzzz zzzzzzzz zzz zxxxx yyyyyyyy; z could be either 0 or 1

        // Separate immediate into 2 words
        uint32_t Words[2];
        Words[0] = Immediate & 0xffff;
        Words[1] = (Immediate >> 16) & 0xffff;

        // Words must be identical
        // if (Words[0] != Words[1])
        //     return false;

        // Make sure upper 4 bits for word 0 and all bit for word 1 are identical
        //for (int word = 0; word < WORDS_PER_DWORD; word++)
        {
            int UpperFour = (Words[0] >> 12) & 0xf;
            if (!(((UpperFour == 0x0) && (Words[1] == 0x0)) ||
                ((UpperFour == 0xf) && (Words[1] == 0xffff))))
                return false;
        }

        // If it passes, compact able
        return true;
    }

    inline uint32_t GetDebugCtrl(BinInst *mybin)
    {
        return mybin->GetBits(bitsDebugCtrl_0, bitsDebugCtrl_1);
    }

    inline uint32_t GetAccWrCtrl(BinInst *mybin)
    {
        return mybin->GetBits(bitsAccWrCtrl_0, bitsAccWrCtrl_1);
    } // GT

    inline uint32_t GetCondModifier(BinInst *mybin)
    {
        return mybin->GetBits(bitsCondModifier_0, bitsCondModifier_1);
    }

    inline uint32_t GetDstRegNumHWord(BinInst *mybin)
    {
        if (mybin->GetIs3Src())
            return mybin->GetBits(bits3SrcDstRegNumHWord_0,
            bits3SrcDstRegNumHWord_1);
        else
            return mybin->GetBits(bitsDstRegNumHWord_0, bitsDstRegNumHWord_1);
    }

    inline uint32_t GetCmpDebugCtrl(BinInst *mybin)
    {
        return mybin->GetBits(bits64DebugCtrl_0, bits64DebugCtrl_1);
    }


    inline void SetCmpDebugCtrl(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64DebugCtrl_0, bits64DebugCtrl_1, value);
    }

    inline void SetAccWrCtrl(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bitsAccWrCtrl_0, bitsAccWrCtrl_1, value);
    }

    inline void SetDebugCtrl(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bitsDebugCtrl_0, bitsDebugCtrl_1, value);
    }


    inline uint32_t GetCmpControlIndex(BinInst *mybin)
    {
        return mybin->GetBits(bits64ControlIndex_0, bits64ControlIndex_1);
    }

    inline void SetCmpControlIndex(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64ControlIndex_0, bits64ControlIndex_1, value);
    }

    inline uint32_t GetCmpDataTypeIndex(BinInst *mybin)
    {
        return mybin->GetBits(bits64DataTypeIndex_0, bits64DataTypeIndex_1);
    }

    inline void SetCmpDataTypeIndex(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64DataTypeIndex_0, bits64DataTypeIndex_1, value);
    }

    inline uint32_t GetCmpSubRegIndex(BinInst *mybin)
    {
        return mybin->GetBits(bits64SubRegIndex_0, bits64SubRegIndex_1);
    }

    inline void SetCmpSubRegIndex(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64SubRegIndex_0, bits64SubRegIndex_1, value);
    }

    inline uint32_t GetCmpFlagSubRegNum(BinInst *mybin)
    {
        return mybin->GetBits(bits64FlagSubRegNum_0, bits64FlagSubRegNum_1);
    }

    inline void SetCmpFlagSubRegNum(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64FlagSubRegNum_0, bits64FlagSubRegNum_1, value);
    }

    inline uint32_t GetCmpAccWrCtrl(BinInst *mybin)
    {
        return mybin->GetBits(bits64AccWrCtrl_0, bits64AccWrCtrl_1);
    }

    inline void SetCmpAccWrCtrl(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64AccWrCtrl_0, bits64AccWrCtrl_1, value);
    }

    inline void SetCondModifier(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bitsCondModifier_0, bitsCondModifier_1, value);
    }

    inline uint32_t GetCmpSrc0Index(BinInst *mybin)
    {
        // This one is ugly.  GetBits can't cross 32 bit boundary.

        // Get upper 3 bits...
        uint32_t upper3 = mybin->GetBits(bits64Src0Index_0, bits64Src0Index_1);
        // Lower 2 bits...
        uint32_t lower2 = mybin->GetBits(bits64Src0Index_2, bits64Src0Index_3);

        return (upper3 << 2) | lower2;
    }

    inline void SetCmpSrc0Index(BinInst *mybin, uint32_t value)
    {
        // This one is ugly.  SetBits can't cross 32 bit boundary.

        // Upper 3 bits...
        mybin->SetBits(bits64Src0Index_0, bits64Src0Index_1, value >> 2);
        // Lower 2 bits...
        mybin->SetBits(bits64Src0Index_2, bits64Src0Index_3, value);
    }

    inline uint32_t GetCmpSrc1Index(BinInst *mybin)
    {
        return mybin->GetBits(bits64Src1Index_0, bits64Src1Index_1);
    }

    inline void SetCmpSrc1Index(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64Src1Index_0, bits64Src1Index_1, value);
    }

    inline uint32_t GetCmpDstRegNum(BinInst *mybin)
    {
        return  mybin->GetBits(bits64DstRegNum_0, bits64DstRegNum_1);
    }

    inline void SetCmpDstRegNum(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64DstRegNum_0, bits64DstRegNum_1, value);
    }

    inline uint32_t GetCmpSrc1RegNum(BinInst *mybin)
    {
        return mybin->GetBits(bits64Src1RegNum_0, bits64Src1RegNum_1);
    }

    inline void SetCmpSrc1RegNum(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64Src1RegNum_0, bits64Src1RegNum_1, value);
    }

    inline uint32_t GetCmpSrc0RegNum(BinInst *mybin)
    {
        return mybin->GetBits(bits64Src0RegNum_0, bits64Src0RegNum_1);
    }

    inline void SetCmpSrc0RegNum(BinInst *mybin, uint32_t value)
    {
        mybin->SetBits(bits64Src0RegNum_0, bits64Src0RegNum_1, value);
    }

    inline uint32_t GetSrc0RegNumHWord(BinInst *mybin)
    {
        if (mybin->GetIs3Src())
            return mybin->GetBits(bits3SrcSrcRegNumHWord_0,
            bits3SrcSrcRegNumHWord_1);
        else
            return mybin->GetBits(bitsSrcRegNumHWord_0, bitsSrcRegNumHWord_1);
    }

    inline uint32_t GetSrc1RegNumHWord(BinInst *mybin)
    {
        if (mybin->GetIs3Src())
            return mybin->GetBits(bits3SrcSrcRegNumHWord_2,
            bits3SrcSrcRegNumHWord_3);
        else
            return mybin->GetBits(bitsSrcRegNumHWord_2, bitsSrcRegNumHWord_3);
    }

    inline void SetDstRegNumHWord(BinInst *mybin, uint32_t value)
    {
        if (mybin->GetIs3Src())
            mybin->SetBits(bits3SrcDstRegNumHWord_0,
            bits3SrcDstRegNumHWord_1, value);
        else
            mybin->SetBits(bitsDstRegNumHWord_0,
            bitsDstRegNumHWord_1, value);
    }

    inline void SetSrc0RegNumHWord(BinInst *mybin, uint32_t value)
    {
        if (mybin->GetIs3Src())
            mybin->SetBits(bits3SrcSrcRegNumHWord_0,
            bits3SrcSrcRegNumHWord_1, value);
        else
            mybin->SetBits(bitsSrcRegNumHWord_0,
            bitsSrcRegNumHWord_1, value);
    }

    inline void SetSrc1RegNumHWord(BinInst *mybin, uint32_t value)
    {
        if (mybin->GetIs3Src())
            mybin->SetBits(bits3SrcSrcRegNumHWord_2,
            bits3SrcSrcRegNumHWord_3, value);
        else
            mybin->SetBits(bitsSrcRegNumHWord_2,
            bitsSrcRegNumHWord_3, value);
    }

    inline Align1PredCtrl GetAlign1PredCtrl(G4_Predicate_Control ctrl)
    {
        Align1PredCtrl pCntrl = Align1PredCtrl::NONE;

        switch (ctrl)
        {
        case PRED_DEFAULT:
            pCntrl = Align1PredCtrl::SEQUENTIAL;
            break;
        case PRED_ANY2H:
            pCntrl = Align1PredCtrl::ANY2H;
            break;
        case PRED_ANY4H:
            pCntrl = Align1PredCtrl::ANY4H;
            break;
        case PRED_ANY8H:
            pCntrl = Align1PredCtrl::ANY8H;
            break;
        case PRED_ANY16H:
            pCntrl = Align1PredCtrl::ANY16H;
            break;
        case PRED_ANY32H:
            pCntrl = Align1PredCtrl::ANY32H;
            break;
        case PRED_ALL2H:
            pCntrl = Align1PredCtrl::ALL2H;
            break;
        case PRED_ALL4H:
            pCntrl = Align1PredCtrl::ALL4H;
            break;
        case PRED_ALL8H:
            pCntrl = Align1PredCtrl::ALL8H;
            break;
        case PRED_ALL16H:
            pCntrl = Align1PredCtrl::ALL16H;
            break;
        case PRED_ALL32H:
            pCntrl = Align1PredCtrl::ALL32H;
            break;
        case PRED_ANYV:
            pCntrl = Align1PredCtrl::ANYV;
            break;
        case PRED_ALLV:
            pCntrl = Align1PredCtrl::ALLV;
            break;
        default:
            break;
        }
        return pCntrl;
    }


}
static struct _CompactControlTable_
{
    union Data
    {
        struct
        {
            uint32_t Bits_023_008 : 16;
            uint32_t Bits_031_031 :  1;
            uint32_t Bits_090_089 :  2;
            uint32_t Reserved     : 13;
        } sData;
        uint32_t ulData;
    };

    uint32_t GetBit_031(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Compact Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_031_031;
    }

    uint32_t GetBits_023_008(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Compact Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_023_008;
    }

    uint32_t GetBits_090_089(uint32_t index)
    {
        MUST_BE_TRUE(index < COMPACT_TABLE_SIZE, "Out of Control Bit Compact Table range.");
        Data data;
        data.ulData = Values[index];
        return data.sData.Bits_090_089;
    }

    uint32_t Values[COMPACT_TABLE_SIZE];
} CompactControlTable;

namespace vISA
{
    inline bool BinaryEncodingBase::compactOneInstruction(G4_INST *inst)
    {
        G4_opcode op = inst->opcode();
        BinInst *mybin = inst->getBinInst();
        if (op == G4_if || op == G4_else || op == G4_endif ||
            op == G4_while || op == G4_halt ||
            op == G4_break || op == G4_cont ||
            /* GetComprCtrl(mybin) == COMPR_CTRL_COMPRESSED  || */
            mybin->GetDontCompactFlag())
        {
            // do not compact conditional branches
            return false;
        }

        if (op == G4_nop)
        {
            return false;
        }

        // temporary WA, to be removed later
        // we disable compacting nop/return
        // until it is clear that we can compact them
        if (op == G4_call || op == G4_return)
        {
            return false;
        }

        bool result = BDWcompactOneInstruction(inst);

        return result;
    }

    inline bool BinaryEncodingBase::BDWcompactOneInstruction3Src(G4_INST *inst)
    {
        BinInst *mybin = inst->getBinInst();

        // Check control table...
        uint32_t controlIndex;
        uint32_t bits_034_032 = mybin->GetBits(34, 32);
        uint32_t bits_028_008 = mybin->GetBits(28, 8);
        bool mustCompact = !(mybin->GetMustCompactFlag());
        if (!CompactControlTable3Src.FindBDWIndex(controlIndex,
            bits_034_032,
            bits_028_008))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for control table");
            // Can't compact...
            return false;
        }

        // Check source index table...
        uint32_t srcIndex;
        uint32_t bits_125_125 = mybin->GetBits(125, 125);
        uint32_t bits_104_104 = mybin->GetBits(104, 104);
        uint32_t bits_083_083 = mybin->GetBits(83, 83);
        uint32_t bits_114_107 = mybin->GetBits(114, 107);
        uint32_t bits_093_086 = mybin->GetBits(93, 86);
        uint32_t bits_072_065 = mybin->GetBits(72, 65);
        uint32_t bits_055_037 = mybin->GetBits(55, 37);

        if (!CompactSourceTable3Src.FindIndex(srcIndex,
            bits_125_125,
            bits_104_104,
            bits_083_083,
            bits_114_107,
            bits_093_086,
            bits_072_065,
            bits_055_037))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for source table");
            // Can't compact...
            return false;
        }

        // We have valid indices at this point.  Make a compacted instruction...
        // The field of opcode 6:0 and reserved 7 remain the same

        mybin->SetBits(9, 8, controlIndex);
        mybin->SetBits(11, 10, srcIndex);
        mybin->SetBits(18, 12, mybin->GetBits(63, 56));
        mybin->SetBits(27, 19, 0); // 27 to 19: reverved
        mybin->SetBits(28, 28, mybin->GetBits(64, 64));
        SetCompactCtrl(mybin, 1); // 29
        // 30, 31: the same
        mybin->SetBits(32, 32, mybin->GetBits(85, 85));
        mybin->SetBits(33, 33, mybin->GetBits(106, 106));
        mybin->SetBits(36, 34, mybin->GetBits(75, 73));
        mybin->SetBits(39, 37, mybin->GetBits(96, 94));
        mybin->SetBits(42, 40, mybin->GetBits(117, 115));
        mybin->SetBits(49, 43, mybin->GetBits(82, 76));
        mybin->SetBits(56, 50, mybin->GetBits(103, 97));
        mybin->SetBits(63, 57, mybin->GetBits(124, 118));

        //SetMustCompact(true);

        // Copy on top of ourselves...
        return true;
    }

    inline bool BinaryEncodingBase::CHVcompactOneInstruction3Src(G4_INST *inst)
    {
        BinInst *mybin = inst->getBinInst();

        // Check control table...
        uint32_t controlIndex;
        uint32_t bits_036_035 = mybin->GetBits(36, 35);
        uint32_t bits_034_032 = mybin->GetBits(34, 32);
        uint32_t bits_028_008 = mybin->GetBits(28, 8);
        bool mustCompact = !(mybin->GetMustCompactFlag());
        if (!CompactControlTable3Src.FindCHVIndex(controlIndex,
            bits_036_035,
            bits_034_032,
            bits_028_008))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for control table");
            // Can't compact...
            return false;
        }

        // Check source index table...
        uint32_t srcIndex;
        uint32_t bits_126_125 = mybin->GetBits(126, 125);
        uint32_t bits_105_104 = mybin->GetBits(105, 104);
        uint32_t bits_084_083 = mybin->GetBits(84, 83);
        uint32_t bits_114_107 = mybin->GetBits(114, 107);
        uint32_t bits_093_086 = mybin->GetBits(93, 86);
        uint32_t bits_072_065 = mybin->GetBits(72, 65);
        uint32_t bits_055_037 = mybin->GetBits(55, 37);

        if (!CompactSourceTable3SrcCHV.FindIndex(srcIndex,
            bits_126_125,
            bits_105_104,
            bits_084_083,
            bits_114_107,
            bits_093_086,
            bits_072_065,
            bits_055_037))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for source table");
            // Can't compact...
            return false;
        }

        // We have valid indices at this point.  Make a compacted instruction...
        // The field of opcode 6:0 and reserved 7 remain the same

        mybin->SetBits(9, 8, controlIndex);
        mybin->SetBits(11, 10, srcIndex);
        mybin->SetBits(18, 12, mybin->GetBits(63, 56));
        mybin->SetBits(27, 19, 0); // 27 to 19: reverved
        mybin->SetBits(28, 28, mybin->GetBits(64, 64));
        SetCompactCtrl(mybin, 1); // 29
        // 30, 31: the same
        mybin->SetBits(32, 32, mybin->GetBits(85, 85));
        mybin->SetBits(33, 33, mybin->GetBits(106, 106));
        mybin->SetBits(36, 34, mybin->GetBits(75, 73));
        mybin->SetBits(39, 37, mybin->GetBits(96, 94));
        mybin->SetBits(42, 40, mybin->GetBits(117, 115));
        mybin->SetBits(49, 43, mybin->GetBits(82, 76));
        mybin->SetBits(56, 50, mybin->GetBits(103, 97));
        mybin->SetBits(63, 57, mybin->GetBits(124, 118));

        return true;
    }

    inline bool BinaryEncodingBase::BDWcompactOneInstruction(G4_INST *inst)
    {
        BinInst *mybin = inst->getBinInst();

        if (mybin->GetIs3Src())
        {
            if (getGenxPlatform() == GENX_BDW)
            {
                return BDWcompactOneInstruction3Src(inst);
            }
            else if (getGenxPlatform() >= GENX_CHV)
            {
                // CHV and SKL are using the same compaction table for 3src
                return CHVcompactOneInstruction3Src(inst);
            }
            else
            {
                // other platforms not handled yet
                return false;
            }
        }

        if (getGenxPlatform() >= GENX_CHV && inst->isSend())
        {
            return false;
        }

        bool source_immediate[2];
        source_immediate[0] = (RegFile(GetSrc0RegFile(mybin)) == REG_FILE_I);
        source_immediate[1] = (RegFile(GetSrc1RegFile(mybin)) == REG_FILE_I);

        // Check control table...
        uint32_t controlIndex;
        uint32_t bits_033_032 = mybin->GetBits(33, 32);
        uint32_t bits_031_031 = mybin->GetBits(31, 31);
        uint32_t bits_023_012 = mybin->GetBits(23, 12);
        uint32_t bits_010_009 = mybin->GetBits(10, 9);
        uint32_t bits_034_034 = mybin->GetBits(34, 34);
        uint32_t bits_008_008 = mybin->GetBits(8, 8);
        bool mustCompact = !(mybin->GetMustCompactFlag());
        if (!BDWCompactControlTable.FindIndex(controlIndex,
            bits_033_032,
            bits_031_031,
            bits_023_012,
            bits_010_009,
            bits_034_034,
            bits_008_008))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for control table");
            // Can't compact...
            return false;
        }


        // Check data type table
        uint32_t dataTypeIndex;
        uint32_t bits_063_061 = mybin->GetBits(63, 61);
        uint32_t bits_094_089 = mybin->GetBits(94, 89);
        uint32_t bits_046_035 = mybin->GetBits(46, 35);
        if (!BDWCompactDataTypeTableStr.FindIndex(dataTypeIndex,
            bits_063_061,
            bits_094_089,
            bits_046_035))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for data type table");
            // Can't compact...
            return false;
        }

        // Check sub-register table...
        uint32_t subRegIndex;
        uint32_t bits_100_096 = mybin->GetBits(100, 96);
        uint32_t bits_068_064 = mybin->GetBits(68, 64);
        uint32_t bits_052_048 = mybin->GetBits(52, 48);

        // If source 0 is an immediate, we only check destination
        // sub-register info for compaction restrictions.
        if (source_immediate[0])
        {
            if (!BDWCompactSubRegTable.FindIndex1(subRegIndex, bits_052_048))
            {
                MUST_BE_TRUE(mustCompact, "Compaction failure for sub reg table");
                // Can't compact...
                return false;
            }
        }
        // If source 1 is an immediate, we need to check sub-register info
        // for source 0 in addition to sub-register info for destination
        else if (source_immediate[1])
        {
            if (!BDWCompactSubRegTable.FindIndex2(subRegIndex, bits_068_064, bits_052_048))
            {
                MUST_BE_TRUE(mustCompact, "Compaction failure for sub reg table");
                // Can't compact...
                return false;
            }
        }
        // Otherwise we check everything
        else if (!BDWCompactSubRegTable.FindIndex(subRegIndex,
            bits_100_096, bits_068_064, bits_052_048))
        {
            MUST_BE_TRUE(mustCompact, "Compaction failure for sub reg table");
            // Can't compact...
            return false;
        }

        // Check source 0 table...
        uint32_t src0Index;
        uint32_t bits_088_077 = mybin->GetBits(88, 77);

        // If source 0 is not immediate data, we need to check source 0 info
        if (!source_immediate[0])
        {
            if (!BDWCompactSourceTable.FindIndex(src0Index, bits_088_077))
            {
                MUST_BE_TRUE(mustCompact, "Compaction failure for source table");
                // Can't compact...
                return false;
            }
        }
        else
        {
            // Default to index0 of tables
            src0Index = 0;
        }

        // Check source 1 table...
        uint32_t src1Index;
        uint32_t bits_120_109 = mybin->GetBits(120, 109);

        // If both source 0 and source 1 are not immediate data,
        // we need to cehck source 1 information
        if (!source_immediate[0] && !source_immediate[1])
        {
            if (!BDWCompactSourceTable.FindIndex(src1Index, bits_120_109))
            {
                MUST_BE_TRUE(mustCompact, "Compact should be set to false");
                // Can't compact...
                return false;
            }
        }
        else
        {
            src1Index = mybin->GetBits(127, 104);
        }

        uint32_t immediateData = 0;
        // If we have an immediate, overwrite bits [39:35] [63:56] with immediate
        if (source_immediate[0] || source_immediate[1])
        {
            if (source_immediate[0])
            {
                immediateData = GetSrc0Imm32(mybin);
            }
            else
            {
                immediateData = GetSrc1Imm32(mybin);
            }

            if (!CompactableImmediate(immediateData))
            {
                MUST_BE_TRUE(mustCompact, "Compact should be set to false");
                // Can't compact...
                return false;
            }
        }

        // We have valid indices at this point.  Make a compacted instruction...
        // The field of opcode/debugCtrl, Bits 6:0 and 7 remain the same

        uint32_t accWrCtrl = GetAccWrCtrl(mybin);
        uint32_t dstRegNum = GetDstRegNumHWord(mybin);
        uint32_t src0RegNum = GetSrc0RegNumHWord(mybin);
        uint32_t src1RegNum = GetSrc1RegNumHWord(mybin);
        uint32_t debugCtrl = GetDebugCtrl(mybin);

        SetCmpDebugCtrl(mybin, debugCtrl);
        SetCmpControlIndex(mybin, controlIndex); // 12:8
        SetCmpDataTypeIndex(mybin, dataTypeIndex); //17:13
        SetCmpSubRegIndex(mybin, subRegIndex); // 22:18
        SetCmpAccWrCtrl(mybin, accWrCtrl);// 23
        // 27:24 cond modifier remain the same;
        mybin->SetBits(28, 28, 0);//28 reserved
        SetCompactCtrl(mybin, 1); // 29
        SetCmpSrc0Index(mybin, src0Index); //34:30
        SetCmpSrc1Index(mybin, src1Index); // 39:35
        SetCmpDstRegNum(mybin, dstRegNum); // 47:40
        if (source_immediate[0])
            SetCmpSrc0RegNum(mybin, 0);
        else
            SetCmpSrc0RegNum(mybin, src0RegNum); // 55:48
        if (source_immediate[1])
            SetCmpSrc1RegNum(mybin, 0);
        else
            SetCmpSrc1RegNum(mybin, src1RegNum); //63:56

        // If we have an immediate, overwrite bits [39:35] [63:56] with immediate
        if (source_immediate[0] || source_immediate[1])
        {
            SetCmpSrc1RegNum(mybin, immediateData & 0xff);          // 63:56
            // 39:35 change from (immediateData & 0x1f)>>8
            // to (immediateData >> 8)& 0x1f)
            SetCmpSrc1Index(mybin, (immediateData >> 8) & 0x1f);
        }

        //SetMustCompact(true);

        // Copy on top of ourselves...
        return true;

    }

    inline bool BinaryEncodingBase::uncompactOneInstruction(G4_INST *inst)
    {
        BinInst *mybin = inst->getBinInst();
        // Validate control index...
        unsigned long controlIndex = GetCmpControlIndex(mybin);
        if (COMPACT_TABLE_SIZE <= controlIndex)
        {
            return false;
        }

        // Validate data type index...
        uint32_t dataTypeIndex = GetCmpDataTypeIndex(mybin);
        if (COMPACT_TABLE_SIZE <= dataTypeIndex)
        {
            return false;
        }

        // Validate sub-register index...
        uint32_t subRegIndex = GetCmpSubRegIndex(mybin);
        if (COMPACT_TABLE_SIZE <= subRegIndex)
        {
            return false;
        }

        // Validate source 0 index...
        uint32_t src0Index = GetCmpSrc0Index(mybin);
        if (COMPACT_TABLE_SIZE <= src0Index)
        {
            return false;
        }

        // Validate source 1 index...
        uint32_t src1Index = GetCmpSrc1Index(mybin);
        if (COMPACT_TABLE_SIZE <= src1Index)
        {
            return false;
        }

        // Pull out compatced immediate source
        // Get bits [39] [39] [39] [39:35]
        uint32_t src1IndexSignExtend = GetCmpSrc1Index(mybin);
        if ((src1IndexSignExtend & 0x10) != 0)
        {
            src1IndexSignExtend |= 0xe0;
        }
        // Get bits [63:56]
        uint32_t src1RegNum = GetCmpSrc1RegNum(mybin);
        // Put together [39] [39] [39] [39:35] [63:56] [39] [39] [39] [39:35] [63:56]
        uint32_t immediateSource = 0;
        immediateSource = (src1RegNum | (src1IndexSignExtend << 8));// | (src1RegNum << 16) | (src1IndexSignExtend << 24));
        //do the sign extension upto 32 bit
        if ((immediateSource & 0x8000) == 0x8000) //if the sign is 1
            immediateSource = immediateSource | 0xffff0000;

        // Start clear...
        // Uncompact...
        //ins.SetOpCode(GetOpCode());

        uint32_t comDebugCtrl = GetCmpDebugCtrl(mybin);
        uint32_t controlIndex31 = CompactControlTable.GetBit_031(controlIndex);
        uint32_t controlIndex23 = CompactControlTable.GetBits_023_008(controlIndex);
        uint32_t dataTypeIndex63 = CompactDataTypeTable.GetBits_063_061(dataTypeIndex);
        uint32_t dataTypeIndex46 = CompactDataTypeTable.GetBits_046_032(dataTypeIndex);
        uint32_t subRegIndex100 = CompactSubRegTable.GetBits_100_096(subRegIndex);
        uint32_t subRegIndex68 = CompactSubRegTable.GetBits_068_064(subRegIndex);
        uint32_t subRegIndex52 = CompactSubRegTable.GetBits_052_048(subRegIndex);
        uint32_t condModifer = GetCondModifier(mybin);
        uint32_t accWrCtrl = GetCmpAccWrCtrl(mybin);
        uint32_t flagSubRegNum = GetCmpFlagSubRegNum(mybin);
        uint32_t bits88 = CompactSourceTable.GetBits_088_077(src0Index);
        uint32_t bits120 = CompactSourceTable.GetBits_120_109(src1Index);
        uint32_t dstRegNum = GetCmpDstRegNum(mybin);
        uint32_t src0RegNum = GetCmpSrc0RegNum(mybin);
        uint32_t src0RegFile = GetSrc0RegFile(mybin);
        uint32_t src1RegFile = GetSrc1RegFile(mybin);

        SetDebugCtrl(mybin, comDebugCtrl);
        mybin->SetBits(31, 31, controlIndex31);
        mybin->SetBits(23, 8, controlIndex23);
        mybin->SetBits(63, 61, dataTypeIndex63);
        mybin->SetBits(46, 32, dataTypeIndex46);
        mybin->SetBits(100, 96, subRegIndex100);
        mybin->SetBits(68, 64, subRegIndex68);
        mybin->SetBits(52, 48, subRegIndex52);
        SetCondModifier(mybin, condModifer);
        SetAccWrCtrl(mybin, accWrCtrl);
        SetFlagRegNum(mybin, flagSubRegNum);
        SetCompactCtrl(mybin, 0);  // uncompaction
        mybin->SetBits(88, 77, bits88);
        //  mybin->SetBits(100, 96, CompactSubRegTable.GetBits_100_096(subRegIndex));
        mybin->SetBits(120, 109, bits120);
        SetDstRegNumHWord(mybin, dstRegNum);
        SetSrc0RegNumHWord(mybin, src0RegNum);
        SetSrc1RegNumHWord(mybin, src1RegNum);

        //set all MBZ bits in DW0 & DW1 to 0
        mybin->SetBits(7, 7, 0);

        // If either source is immediate, fill in w/ Source Immediate above
        if ((RegFile(src0RegFile) == REG_FILE_I) ||
            (RegFile(src1RegFile) == REG_FILE_I))
        {
            mybin->SetBits(127, 96, immediateSource);
        }

        return true;

    }
}
#endif
