1 // RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.4a < %s 2> %t | FileCheck %s --check-prefix=CHECK 2 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=-v8.4a < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-V84 3 4 //------------------------------------------------------------------------------ 5 // ARMV8.4-A Enhanced Support for Nested Virtualization 6 //------------------------------------------------------------------------------ 7 8 mrs x0, VNCR_EL2 9 msr VNCR_EL2, x0 10 11 // CHECK: mrs x0, VNCR_EL2 // encoding: [0x00,0x22,0x3c,0xd5] 12 // CHECK: msr VNCR_EL2, x0 // encoding: [0x00,0x22,0x1c,0xd5] 13 14 //CHECK-NO-V84: error: expected readable system register 15 //CHECK-NO-V84-NEXT: mrs x0, VNCR_EL2 16 //CHECK-NO-V84-NEXT: ^ 17 //CHECK-NO-V84-NEXT: error: expected writable system register or pstate 18 //CHECK-NO-V84-NEXT: msr VNCR_EL2, x0 19 //CHECK-NO-V84-NEXT: ^ 20
