| # RUN: not llvm-mc %s -triple=riscv64 -riscv-no-aliases 2>&1 | FileCheck %s | 
 | # RUN: not llvm-mc %s -triple=riscv64 2>&1 | FileCheck %s | 
 |  | 
 | li t5, 0x10000000000000000 # CHECK: :[[@LINE]]:8: error: unknown operand | 
 | li t4, foo                 # CHECK: :[[@LINE]]:8: error: operand must be a constant 64-bit integer | 
 |  | 
 | rdinstreth x29 # CHECK: :[[@LINE]]:1: error: instruction use requires an option to be enabled | 
 | rdcycleh x27   # CHECK: :[[@LINE]]:1: error: instruction use requires an option to be enabled | 
 | rdtimeh x28    # CHECK: :[[@LINE]]:1: error: instruction use requires an option to be enabled | 
 |  | 
 | foo: | 
 |   .space 8 |