test/MC/AArch64/armv8.4a-vncr.s

   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:     ^