op_ldwu
case op_ldwu:
insn.mem_format.opcode == op_ldwu)
case op_ldwu:
if (inst.mem_format.opcode == op_ldwu ||
if (inst.mem_format.opcode == op_ldwu) {
} else if (inst.mem_format.opcode == op_ldwu) {
case op_ldwu: