code: def _setup_x86_arch(self, arch_mode=None):
          
          if arch_mode is None:
              arch_mode = self.binary.architecture_mode
  
          # Set up architecture information
          self.name = "x86"
          self.arch_info = X86ArchitectureInformation(arch_mode)
          self.disassembler = X86Disassembler(arch_mode)
          self.ir_translator = X86Translator(arch_mode)
docs: Set up x86 architecture.