1 // RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.2a < %s | FileCheck %s 2 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=-v8.2a < %s 2>&1 | FileCheck %s --check-prefix=ERROR 3 4 mrs x3, id_aa64mmfr2_el1 5 // CHECK: mrs x3, ID_AA64MMFR2_EL1 // encoding: [0x43,0x07,0x38,0xd5] 6 // ERROR: error: expected readable system register 7
