# RUN: not llvm-mc -triple riscv32 -mattr=+zcmop < %s 2>&1 | FileCheck %s
c.mop.0 # CHECK: :[[@LINE]]:1: error: unrecognized instruction mnemonic
c.mop.1 t0 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction
c.mop.1 0x0 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction