test/MC/AArch64/SVE/system-regs-diagnostics.s

   1 // RUN: not llvm-mc -triple aarch64 -mattr=+sve -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-SVE
   2 // RUN: not llvm-mc -triple aarch64 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOSVE
   3
   4
   5 // --------------------------------------------------------------------------//
   6 // ID_AA64ZFR0_EL1 is read-only
   7
   8 msr ID_AA64ZFR0_EL1, x3
   9 // CHECK-SVE: error: expected writable system register or pstate
  10 // CHECK-SVE-NEXT:         msr ID_AA64ZFR0_EL1, x3
  11
  12
  13 // --------------------------------------------------------------------------//
  14 // Check that the other SVE registers are only readable/writable when
  15 // the +sve attribute is set.
  16
  17 mrs x3, ID_AA64ZFR0_EL1
  18 // CHECK-NOSVE: error: expected readable system register
  19 // CHECK-NOSVE: mrs x3, ID_AA64ZFR0_EL1
  20
  21 mrs x3, ZCR_EL1
  22 // CHECK-NOSVE: error: expected readable system register
  23 // CHECK-NOSVE-NEXT: mrs x3, ZCR_EL1
  24
  25 mrs x3, ZCR_EL2
  26 // CHECK-NOSVE: error: expected readable system register
  27 // CHECK-NOSVE-NEXT: mrs x3, ZCR_EL2
  28
  29 mrs x3, ZCR_EL3
  30 // CHECK-NOSVE: error: expected readable system register
  31 // CHECK-NOSVE-NEXT: mrs x3, ZCR_EL3
  32
  33 mrs x3, ZCR_EL12
  34 // CHECK-NOSVE: error: expected readable system register
  35 // CHECK-NOSVE-NEXT: mrs x3, ZCR_EL12
  36
  37 msr ZCR_EL1, x3
  38 // CHECK-NOSVE: error: expected writable system register or pstate
  39 // CHECK-NOSVE-NEXT: msr ZCR_EL1, x3
  40
  41 msr ZCR_EL2, x3
  42 // CHECK-NOSVE: error: expected writable system register or pstate
  43 // CHECK-NOSVE-NEXT: msr ZCR_EL2, x3
  44
  45 msr ZCR_EL3, x3
  46 // CHECK-NOSVE: error: expected writable system register or pstate
  47 // CHECK-NOSVE-NEXT: msr ZCR_EL3, x3
  48
  49 msr ZCR_EL12, x3
  50 // CHECK-NOSVE: error: expected writable system register or pstate
  51 // CHECK-NOSVE-NEXT: msr ZCR_EL12, x3