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

   1 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.4a < %s 2> %t  | FileCheck %s --check-prefix=CHECK
   2 // RUN: FileCheck --check-prefix=CHECK-ERROR < %t %s
   3 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=-v8.4a < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-V84
   4
   5 //------------------------------------------------------------------------------
   6 // ARMV8.4-A Timing insensitivity of data processing instructions
   7 //------------------------------------------------------------------------------
   8
   9 msr DIT, #1
  10 msr DIT, x0
  11 mrs x0, DIT
  12
  13 //CHECK:      msr DIT, #1                 // encoding: [0x5f,0x41,0x03,0xd5]
  14 //CHECK-NEXT: msr DIT, x0                 // encoding: [0xa0,0x42,0x1b,0xd5]
  15 //CHECK-NEXT: mrs x0, DIT                 // encoding: [0xa0,0x42,0x3b,0xd5]
  16
  17 msr DIT, #2
  18 msr DIT, #-1
  19
  20 //CHECK-ERROR:      error: immediate must be an integer in range [0, 1].
  21 //CHECK-ERROR-NEXT: msr DIT, #2
  22 //CHECK-ERROR-NEXT:          ^
  23 //CHECK-ERROR-NEXT: error: immediate must be an integer in range [0, 1].
  24 //CHECK-ERROR-NEXT: msr DIT, #-1
  25 //CHECK-ERROR-NEXT:          ^
  26
  27 //CHECK-NO-V84:      error: expected writable system register or pstate
  28 //CHECK-NO-V84-NEXT: msr DIT, #1
  29 //CHECK-NO-V84-NEXT:     ^
  30 //CHECK-NO-V84-NEXT: error: expected writable system register or pstate
  31 //CHECK-NO-V84-NEXT: msr DIT, x0
  32 //CHECK-NO-V84-NEXT:     ^
  33 //CHECK-NO-V84-NEXT: error: expected readable system register
  34 //CHECK-NO-V84-NEXT: mrs x0, DIT
  35 //CHECK-NO-V84-NEXT:         ^
  36 //CHECK-NO-V84-NEXT: error: expected writable system register or pstate
  37 //CHECK-NO-V84-NEXT: msr DIT, #2
  38 //CHECK-NO-V84-NEXT:     ^
  39 //CHECK-NO-V84-NEXT: error: expected writable system register or pstate
  40 //CHECK-NO-V84-NEXT: msr DIT, #-1
  41 //CHECK-NO-V84-NEXT:     ^
  42