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

   1 // RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.4a -o - 2>&1 %s  | \
   2 // RUN: FileCheck %s
   3
   4 // RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+tracev8.4 -o - 2>&1 %s  | \
   5 // RUN: FileCheck %s
   6
   7 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=-v8.4a -o - %s 2>&1 | \
   8 // RUN: FileCheck %s --check-prefix=CHECK-ERROR
   9
  10 // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.4a,-tracev8.4 -o - %s 2>&1 | \
  11 // RUN: FileCheck %s --check-prefixes NOFEATURE,CHECK-ERROR
  12
  13 //------------------------------------------------------------------------------
  14 // ARMV8.4-A Debug, Trace and PMU Extensions
  15 //------------------------------------------------------------------------------
  16
  17 msr TRFCR_EL1, x0
  18 msr TRFCR_EL2, x0
  19 msr TRFCR_EL12, x0
  20
  21 mrs x0, TRFCR_EL1
  22 mrs x0, TRFCR_EL2
  23 mrs x0, TRFCR_EL12
  24
  25 tsb csync
  26
  27 //CHECK:  msr TRFCR_EL1, x0           // encoding: [0x20,0x12,0x18,0xd5]
  28 //CHECK:  msr TRFCR_EL2, x0           // encoding: [0x20,0x12,0x1c,0xd5]
  29 //CHECK:  msr TRFCR_EL12, x0          // encoding: [0x20,0x12,0x1d,0xd5]
  30
  31 //CHECK:  mrs x0, TRFCR_EL1           // encoding: [0x20,0x12,0x38,0xd5]
  32 //CHECK:  mrs x0, TRFCR_EL2           // encoding: [0x20,0x12,0x3c,0xd5]
  33 //CHECK:  mrs x0, TRFCR_EL12          // encoding: [0x20,0x12,0x3d,0xd5]
  34
  35 //CHECK:  tsb csync                   // encoding: [0x5f,0x22,0x03,0xd5]
  36
  37 //CHECK-ERROR: error: expected writable system register or pstate
  38 //CHECK-ERROR: msr TRFCR_EL1, x0
  39 //CHECK-ERROR:     ^
  40 //CHECK-ERROR: error: expected writable system register or pstate
  41 //CHECK-ERROR: msr TRFCR_EL2, x0
  42 //CHECK-ERROR:     ^
  43 //CHECK-ERROR: error: expected writable system register or pstate
  44 //CHECK-ERROR: msr TRFCR_EL12, x0
  45 //CHECK-ERROR:     ^
  46
  47 //CHECK-ERROR: error: expected readable system register
  48 //CHECK-ERROR: mrs x0, TRFCR_EL1
  49 //CHECK-ERROR:         ^
  50 //CHECK-ERROR: error: expected readable system register
  51 //CHECK-ERROR: mrs x0, TRFCR_EL2
  52 //CHECK-ERROR:         ^
  53 //CHECK-ERROR: error: expected readable system register
  54 //CHECK-ERROR: mrs x0, TRFCR_EL12
  55 //CHECK-ERROR:         ^
  56
  57 //CHECK-ERROR: error: instruction requires: tracev8.4