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Operand.hpp
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#ifndef SoftWire_Operand_hpp
#define SoftWire_Operand_hpp
#include "Encoding.hpp"
#include "Error.hpp"
namespace SoftWire
{
struct Specifier
{
enum Type
{
TYPE_UNKNOWN = 0,
TYPE_NEAR,
TYPE_SHORT = TYPE_NEAR,
// TYPE_FAR,
TYPE_BYTE,
TYPE_WORD,
TYPE_DWORD,
// TYPE_TWORD, // 80-bit long double not supported
TYPE_QWORD,
TYPE_MMWORD = TYPE_QWORD,
TYPE_XMMWORD,
TYPE_XWORD = TYPE_XMMWORD,
TYPE_OWORD = TYPE_XMMWORD,
TYPE_PTR
};
Type type;
union
{
const char *reference;
const char *notation;
};
static Specifier::Type scan(const char *string);
static const Specifier specifierSet[];
};
struct OperandREG;
struct Operand
{
enum Type
{
OPERAND_UNKNOWN = 0,
OPERAND_VOID = 0x00000001,
OPERAND_ONE = 0x00000002,
OPERAND_EXT8 = 0x00000004 | OPERAND_ONE, // Sign extended
OPERAND_REF = 0x00000008,
OPERAND_IMM8 = 0x00000010 | OPERAND_EXT8 | OPERAND_ONE,
OPERAND_IMM16 = 0x00000020 | OPERAND_IMM8 | OPERAND_EXT8 | OPERAND_ONE,
OPERAND_IMM32 = 0x00000040 | OPERAND_REF | OPERAND_IMM16 | OPERAND_IMM8 | OPERAND_EXT8 | OPERAND_ONE,
OPERAND_IMM = OPERAND_IMM32 | OPERAND_IMM16 | OPERAND_IMM8 | OPERAND_EXT8 | OPERAND_ONE,
OPERAND_AL = 0x00000080,
OPERAND_CL = 0x00000100,
OPERAND_REG8 = OPERAND_CL | OPERAND_AL,
OPERAND_AX = 0x00000200,
OPERAND_DX = 0x00000400,
OPERAND_CX = 0x00000800,
OPERAND_REG16 = OPERAND_CX | OPERAND_DX | OPERAND_AX,
OPERAND_EAX = 0x00001000,
OPERAND_ECX = 0x00002000,
OPERAND_REG32 = OPERAND_ECX | OPERAND_EAX,
OPERAND_RAX = 0x00004000,
OPERAND_REG64 = 0x00008000 | OPERAND_RAX,
OPERAND_CS = 0, // No need to touch these in protected mode
OPERAND_DS = 0,
OPERAND_ES = 0,
OPERAND_SS = 0,
OPERAND_FS = 0,
OPERAND_GS = 0,
OPERAND_SEGREG = OPERAND_GS | OPERAND_FS | OPERAND_SS | OPERAND_ES | OPERAND_DS | OPERAND_CS,
OPERAND_ST0 = 0x00010000,
OPERAND_FPUREG = 0x00020000 | OPERAND_ST0,
OPERAND_CR = 0, // You won't need these in a JIT assembler
OPERAND_DR = 0,
OPERAND_TR = 0,
OPERAND_MMREG = 0x00040000,
OPERAND_XMMREG = 0x00080000,
OPERAND_REG = OPERAND_XMMREG | OPERAND_MMREG | OPERAND_TR | OPERAND_DR | OPERAND_CR | OPERAND_FPUREG | OPERAND_SEGREG | OPERAND_REG32 | OPERAND_REG64 | OPERAND_REG16 | OPERAND_REG8,
OPERAND_MEM8 = 0x00100000,
OPERAND_MEM16 = 0x00200000,
OPERAND_MEM32 = 0x00400000,
OPERAND_MEM64 = 0x00800000,
OPERAND_MEM128 = 0x01000000,
OPERAND_MEM = OPERAND_MEM128 | OPERAND_MEM64 | OPERAND_MEM32 | OPERAND_MEM16 | OPERAND_MEM8,
OPERAND_XMM32 = OPERAND_MEM32 | OPERAND_XMMREG,
OPERAND_XMM64 = OPERAND_MEM64 | OPERAND_XMMREG,
OPERAND_R_M8 = OPERAND_MEM8 | OPERAND_REG8,
OPERAND_R_M16 = OPERAND_MEM16 | OPERAND_REG16,
OPERAND_R_M32 = OPERAND_MEM32 | OPERAND_REG32,
OPERAND_R_M64 = OPERAND_MEM64 | OPERAND_REG64,
OPERAND_MM64 = OPERAND_MEM64 | OPERAND_MMREG,
OPERAND_R_M128 = OPERAND_MEM128 | OPERAND_XMMREG,
OPERAND_R_M = OPERAND_MEM | OPERAND_REG
};
Operand(Type type = OPERAND_VOID)
{
this->type = type;
}
Type type;
union
{
const char *reference;
const char *notation;
};
union
{
int value; // For immediates
int reg; // For registers
int baseReg; // For memory references;
};
int indexReg;
int scale;
int displacement;
bool operator==(Operand &op);
bool operator!=(Operand &op);
static bool isSubtypeOf(Type type, Type baseType);
bool isSubtypeOf(Type baseType) const;
const char *string() const;
static bool isVoid(Type type);
static bool isImm(Type type);
static bool isReg(Type type);
static bool isMem(Type type);
static bool isR_M(Type type);
static bool isVoid(const Operand &operand);
static bool isImm(const Operand &operand);
static bool isReg(const Operand &operand);
static bool isMem(const Operand &operand);
static bool isR_M(const Operand &operand);
const char *regName() const;
const char *indexName() const;
static Operand::Type scanSyntax(const char *string);
struct Register
{
Type type;
const char *notation;
int reg; // Index
};
static const Register registerSet[];
static const Register syntaxSet[];
};
struct OperandVOID : virtual Operand
{
OperandVOID()
{
type = OPERAND_VOID;
}
};
struct OperandIMM : virtual Operand
{
OperandIMM(int imm = 0)
{
type = OPERAND_IMM;
value = imm;
reference = 0;
}
};
struct OperandREF : virtual Operand
{
OperandREF(const void *ref = 0)
{
type = OPERAND_REF;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = (int)ref;
reference = 0;
}
OperandREF(const char *ref)
{
type = OPERAND_IMM;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = ref;
}
OperandREF(int ref)
{
type = OPERAND_REF;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = ref;
reference = 0;
}
const OperandREF operator+(const void *disp) const
{
OperandREF returnReg;
returnReg.baseReg = baseReg;
returnReg.indexReg = indexReg;
returnReg.scale = scale;
returnReg.displacement = displacement + (int)disp;
return returnReg;
}
const OperandREF operator+(int disp) const
{
OperandREF returnReg;
returnReg.baseReg = baseReg;
returnReg.indexReg = indexReg;
returnReg.scale = scale;
returnReg.displacement = displacement + disp;
return returnReg;
}
const OperandREF operator-(int disp) const
{
OperandREF returnReg;
returnReg.baseReg = baseReg;
returnReg.indexReg = indexReg;
returnReg.scale = scale;
returnReg.displacement = displacement - disp;
return returnReg;
}
bool operator==(const OperandREF &ref) const
{
return baseReg == ref.baseReg &&
indexReg == ref.indexReg &&
scale == ref.scale &&
displacement == ref.displacement;
}
bool operator!=(const OperandREF &ref) const
{
return !(*this == ref);
}
};
struct OperandMEM : virtual Operand
{
OperandMEM()
{
type = OPERAND_MEM;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
OperandMEM(const OperandREF &ref)
{
type = OPERAND_MEM;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
OperandMEM operator[](const OperandREF &ref) const
{
return OperandMEM(ref);
}
const OperandMEM operator+(int disp) const
{
OperandMEM returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM operator-(int disp) const
{
OperandMEM returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandMEM8 : OperandMEM
{
OperandMEM8() {};
explicit OperandMEM8(const OperandREF &ref)
{
type = OPERAND_MEM8;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
explicit OperandMEM8(const OperandMEM &mem)
{
type = OPERAND_MEM8;
baseReg = mem.baseReg;
indexReg = mem.indexReg;
scale = mem.scale;
displacement = mem.displacement;
reference = mem.reference;
}
explicit OperandMEM8(const Operand &r_m8)
{
type = OPERAND_MEM8;
baseReg = r_m8.baseReg;
indexReg = r_m8.indexReg;
scale = r_m8.scale;
displacement = r_m8.displacement;
reference = r_m8.reference;
}
OperandMEM8 operator[](const OperandREF &ref) const
{
return OperandMEM8(ref);
}
const OperandMEM8 operator+(int disp) const
{
OperandMEM8 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM8 operator-(int disp) const
{
OperandMEM8 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandMEM16 : OperandMEM
{
OperandMEM16() {};
explicit OperandMEM16(const OperandREF &ref)
{
type = OPERAND_MEM16;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
explicit OperandMEM16(const OperandMEM &mem)
{
type = OPERAND_MEM16;
baseReg = mem.baseReg;
indexReg = mem.indexReg;
scale = mem.scale;
displacement = mem.displacement;
reference = mem.reference;
}
explicit OperandMEM16(const Operand &r_m16)
{
type = OPERAND_MEM16;
baseReg = r_m16.baseReg;
indexReg = r_m16.indexReg;
scale = r_m16.scale;
displacement = r_m16.displacement;
reference = r_m16.reference;
}
OperandMEM16 operator[](const OperandREF &ref) const
{
return OperandMEM16(ref);
}
const OperandMEM16 operator+(int disp) const
{
OperandMEM16 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM16 operator-(int disp) const
{
OperandMEM16 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandMEM32 : OperandMEM
{
OperandMEM32() {};
explicit OperandMEM32(const OperandMEM &mem)
{
type = OPERAND_MEM32;
baseReg = mem.baseReg;
indexReg = mem.indexReg;
scale = mem.scale;
displacement = mem.displacement;
reference = mem.reference;
}
explicit OperandMEM32(const OperandREF &ref)
{
type = OPERAND_MEM32;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
explicit OperandMEM32(const Operand &r32)
{
type = OPERAND_MEM32;
baseReg = r32.baseReg;
indexReg = r32.indexReg;
scale = r32.scale;
displacement = r32.displacement;
reference = r32.reference;
}
OperandMEM32 operator[](const OperandREF &ref) const
{
return OperandMEM32(ref);
}
const OperandMEM32 operator+(int disp) const
{
OperandMEM32 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM32 operator-(int disp) const
{
OperandMEM32 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandMEM64 : OperandMEM
{
OperandMEM64() {};
explicit OperandMEM64(const OperandMEM &mem)
{
type = OPERAND_MEM64;
baseReg = mem.baseReg;
indexReg = mem.indexReg;
scale = mem.scale;
displacement = mem.displacement;
reference = mem.reference;
}
explicit OperandMEM64(const OperandREF &ref)
{
type = OPERAND_MEM64;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
explicit OperandMEM64(const Operand &r_m64)
{
type = OPERAND_MEM64;
baseReg = r_m64.baseReg;
indexReg = r_m64.indexReg;
scale = r_m64.scale;
displacement = r_m64.displacement;
reference = r_m64.reference;
}
OperandMEM64 operator[](const OperandREF &ref) const
{
return OperandMEM64(ref);
}
const OperandMEM64 operator+(int disp) const
{
OperandMEM64 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM64 operator-(int disp) const
{
OperandMEM64 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandMEM128 : OperandMEM
{
OperandMEM128() {};
explicit OperandMEM128(const OperandMEM &mem)
{
type = OPERAND_MEM128;
baseReg = mem.baseReg;
indexReg = mem.indexReg;
scale = mem.scale;
displacement = mem.displacement;
reference = mem.reference;
}
explicit OperandMEM128(const OperandREF &ref)
{
type = OPERAND_MEM128;
baseReg = ref.baseReg;
indexReg = ref.indexReg;
scale = ref.scale;
displacement = ref.displacement;
reference = ref.reference;
}
explicit OperandMEM128(const Operand &r_m128)
{
type = OPERAND_MEM128;
baseReg = r_m128.baseReg;
indexReg = r_m128.indexReg;
scale = r_m128.scale;
displacement = r_m128.displacement;
reference = r_m128.reference;
}
OperandMEM128 operator[](const OperandREF &ref) const
{
return OperandMEM128(ref);
}
const OperandMEM128 operator+(int disp) const
{
OperandMEM128 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement + disp;
returnMem.reference = reference;
return returnMem;
}
const OperandMEM128 operator-(int disp) const
{
OperandMEM128 returnMem;
returnMem.baseReg = baseReg;
returnMem.indexReg = indexReg;
returnMem.scale = scale;
returnMem.displacement = displacement - disp;
returnMem.reference = reference;
return returnMem;
}
};
struct OperandR_M32 : virtual Operand
{
OperandR_M32()
{
type = OPERAND_R_M32;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandR_M32(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandR_M16 : virtual Operand
{
OperandR_M16()
{
type = OPERAND_R_M16;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandR_M16(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
explicit OperandR_M16(const OperandR_M32 &r_m32)
{
type = OPERAND_R_M16;
baseReg = r_m32.baseReg;
indexReg = r_m32.indexReg;
scale = r_m32.scale;
displacement = r_m32.displacement;
reference = r_m32.reference;
}
};
struct OperandR_M8 : virtual Operand
{
OperandR_M8()
{
type = OPERAND_R_M8;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandR_M8(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
explicit OperandR_M8(const OperandR_M16 &r_m16)
{
type = OPERAND_R_M8;
baseReg = r_m16.baseReg;
indexReg = r_m16.indexReg;
scale = r_m16.scale;
displacement = r_m16.displacement;
reference = r_m16.reference;
}
explicit OperandR_M8(const OperandR_M32 &r_m32)
{
type = OPERAND_R_M8;
baseReg = r_m32.baseReg;
indexReg = r_m32.indexReg;
scale = r_m32.scale;
displacement = r_m32.displacement;
reference = r_m32.reference;
}
};
struct OperandR_M64 : virtual Operand
{
OperandR_M64()
{
type = OPERAND_R_M64;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandR_M64(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandR_M128 : virtual Operand
{
OperandR_M128()
{
type = OPERAND_R_M128;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandR_M128(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandXMM32 : virtual Operand
{
OperandXMM32()
{
type = OPERAND_XMM32;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandXMM32(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandXMM64 : virtual Operand
{
OperandXMM64()
{
type = OPERAND_XMM64;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandXMM64(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandMM64 : virtual Operand
{
OperandMM64()
{
type = OPERAND_MM64;
baseReg = Encoding::REG_UNKNOWN;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandMM64(const Operand ®)
{
type = reg.type;
baseReg = reg.baseReg;
indexReg = reg.indexReg;
scale = reg.scale;
displacement = reg.displacement;
reference = reg.reference;
}
};
struct OperandREG : virtual Operand
{
OperandREG()
{
type = OPERAND_VOID;
}
OperandREG(const Operand ®)
{
type = reg.type;
this->reg = reg.reg;
reference = reg.reference;
}
};
struct OperandREG32;
struct OperandREG64;
struct OperandREGxX : OperandREF
{
OperandREGxX(int reg = Encoding::REG_UNKNOWN)
{
type = OPERAND_REG32;
this->reg = reg;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
friend const OperandREF operator+(const OperandREGxX &ref1, const OperandREG32 &ref2);
friend const OperandREF operator+(const OperandREGxX &ref1, const OperandREG64 &ref2);
friend const OperandREGxX operator+(const OperandREGxX &ref, void *disp);
friend const OperandREGxX operator+(const OperandREGxX &ref, int disp);
friend const OperandREGxX operator-(const OperandREGxX &ref, int disp);
friend const OperandREF operator+(const OperandREG32 &ref2, const OperandREGxX &ref1);
friend const OperandREF operator+(const OperandREG64 &ref2, const OperandREGxX &ref1);
friend const OperandREGxX operator+(void *disp, const OperandREGxX &ref);
friend const OperandREGxX operator+(int disp, const OperandREGxX &ref);
friend const OperandREGxX operator-(int disp, const OperandREGxX &ref);
};
struct OperandREG32 : OperandR_M32, OperandREF, OperandREG
{
OperandREG32(int reg = Encoding::REG_UNKNOWN)
{
type = OPERAND_REG32;
this->reg = reg;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandREG32(const OperandR_M32 &r_m32)
{
type = OPERAND_REG32;
reg = r_m32.reg;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
friend const OperandREF operator+(const OperandREG32 ref, const OperandREG32 &ref2);
friend const OperandREG32 operator+(const OperandREG32 ref, void *disp);
friend const OperandREG32 operator+(const OperandREG32 ref, int disp);
friend const OperandREG32 operator-(const OperandREG32 ref, int disp);
friend const OperandREGxX operator*(const OperandREG32 ref, int scale);
friend const OperandREG32 operator+(void *disp, const OperandREG32 ref);
friend const OperandREG32 operator+(int disp, const OperandREG32 ref);
friend const OperandREG32 operator-(int disp, const OperandREG32 ref);
friend const OperandREGxX operator*(int scale, const OperandREG32 ref);
};
struct OperandREG64 : OperandR_M64, OperandREF, OperandREG
{
OperandREG64(int reg = Encoding::REG_UNKNOWN)
{
type = OPERAND_REG64;
this->reg = reg;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
explicit OperandREG64(const OperandR_M64 &r_m64)
{
type = OPERAND_REG64;
reg = r_m64.reg;
indexReg = Encoding::REG_UNKNOWN;
scale = 0;
displacement = 0;
reference = 0;
}
friend const OperandREF operator+(const OperandREG64 ref, const OperandREG64 &ref2);
friend const OperandREG64 operator+(const OperandREG64 ref, void *disp);
friend const OperandREG64 operator+(const OperandREG64 ref, int disp);
friend const OperandREG64 operator-(const OperandREG64 ref, int disp);
friend const OperandREGxX operator*(const OperandREG64 ref, int scale);
friend const OperandREG64 operator+(void *disp, const OperandREG64 ref);
friend const OperandREG64 operator+(int disp, const OperandREG64 ref);
friend const OperandREG64 operator-(int disp, const OperandREG64 ref);
friend const OperandREGxX operator*(int scale, const OperandREG64 ref);
};
struct OperandREG16 : OperandR_M16, OperandREG
{
OperandREG16(int reg = Encoding::REG_UNKNOWN)
{
type = OPERAND_REG16;
this->reg = reg;
reference = 0;
}
explicit OperandREG16(const OperandREG32 &r32)
{
type = OPERAND_REG16;
reg = r32.reg;
reference = 0;