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 at s1e1rp, x1 5 at s1e1wp, x2 6 // CHECK: at s1e1rp, x1 // encoding: [0x01,0x79,0x08,0xd5] 7 // CHECK: at s1e1wp, x2 // encoding: [0x22,0x79,0x08,0xd5] 8 // ERROR: error: AT S1E1RP requires ARMv8.2a 9 // ERROR: error: AT S1E1WP requires ARMv8.2a 10