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

52 lines
1.7 KiB
ArmAsm

// RUN: not llvm-mc -triple aarch64 -mattr=+sve -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-SVE
// RUN: not llvm-mc -triple aarch64 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOSVE
// --------------------------------------------------------------------------//
// ID_AA64ZFR0_EL1 is read-only
msr ID_AA64ZFR0_EL1, x3
// CHECK-SVE: error: expected writable system register or pstate
// CHECK-SVE-NEXT: msr ID_AA64ZFR0_EL1, x3
// --------------------------------------------------------------------------//
// Check that the other SVE registers are only readable/writable when
// the +sve attribute is set.
mrs x3, ID_AA64ZFR0_EL1
// CHECK-NOSVE: error: expected readable system register
// CHECK-NOSVE: mrs x3, ID_AA64ZFR0_EL1
mrs x3, ZCR_EL1
// CHECK-NOSVE: error: expected readable system register
// CHECK-NOSVE-NEXT: mrs x3, ZCR_EL1
mrs x3, ZCR_EL2
// CHECK-NOSVE: error: expected readable system register
// CHECK-NOSVE-NEXT: mrs x3, ZCR_EL2
mrs x3, ZCR_EL3
// CHECK-NOSVE: error: expected readable system register
// CHECK-NOSVE-NEXT: mrs x3, ZCR_EL3
mrs x3, ZCR_EL12
// CHECK-NOSVE: error: expected readable system register
// CHECK-NOSVE-NEXT: mrs x3, ZCR_EL12
msr ZCR_EL1, x3
// CHECK-NOSVE: error: expected writable system register or pstate
// CHECK-NOSVE-NEXT: msr ZCR_EL1, x3
msr ZCR_EL2, x3
// CHECK-NOSVE: error: expected writable system register or pstate
// CHECK-NOSVE-NEXT: msr ZCR_EL2, x3
msr ZCR_EL3, x3
// CHECK-NOSVE: error: expected writable system register or pstate
// CHECK-NOSVE-NEXT: msr ZCR_EL3, x3
msr ZCR_EL12, x3
// CHECK-NOSVE: error: expected writable system register or pstate
// CHECK-NOSVE-NEXT: msr ZCR_EL12, x3