internal Instruction(InsEnum op, int high32, int low32) { Opcode = op; long h = high32; long l = low32; Operand = (h << 32) + l; }
internal Instruction(InsEnum op, long v) { Opcode = op; Operand = v; }
internal Instruction(InsEnum op) { Opcode = op; Operand = 0; }