1@ RUN: not llvm-mc -triple armv8-none-eabi -mcpu=cortex-r52 -mattr=-dfb -show-encoding < %s 2>&1 | FileCheck %s 2@ RUN: not llvm-mc -triple thumbv8-none-eabi -mcpu=cortex-r52 -mattr=-dfb -show-encoding < %s 2>&1 | FileCheck %s 3 4 dfb 5@ CHECK: error: instruction requires: full-data-barrier 6 7 dfb sy 8 dfb #0 9@ CHECK: error: invalid instruction 10@ CHECK: error: invalid instruction 11