// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+sme < %s \
// RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-ERROR
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sme < %s \
// RUN: | llvm-objdump -d --mattr=+sme - | FileCheck %s --check-prefix=CHECK-INST
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+sme < %s \
// RUN: | llvm-objdump -d --mattr=-sme - | FileCheck %s --check-prefix=CHECK-UNKNOWN
smstop
// CHECK-INST: smstop
// CHECK-ENCODING:
// CHECK-ERROR: instruction requires: sme
// CHECK-UNKNOWN: d503467f msr S0_3_C4_C6_3, xzr
smstop sm
// CHECK-INST: smstop sm
// CHECK-ENCODING:
// CHECK-ERROR: instruction requires: sme
// CHECK-UNKNOWN: d503427f msr S0_3_C4_C2_3, xzr
smstop za
// CHECK-INST: smstop za
// CHECK-ENCODING:
// CHECK-ERROR: instruction requires: sme
// CHECK-UNKNOWN: d503447f msr S0_3_C4_C4_3, xzr
smstop SM
// CHECK-INST: smstop sm
// CHECK-ENCODING:
// CHECK-ERROR: instruction requires: sme
// CHECK-UNKNOWN: d503427f msr S0_3_C4_C2_3, xzr
smstop ZA
// CHECK-INST: smstop za
// CHECK-ENCODING:
// CHECK-ERROR: instruction requires: sme
// CHECK-UNKNOWN: d503447f msr S0_3_C4_C4_3, xzr