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| // RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.4a < %s \
// RUN: | FileCheck %s --check-prefix=CHECK
// RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=-v8.4a < %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-ERROR
//------------------------------------------------------------------------------
// ARMV8.4-A PMU
//------------------------------------------------------------------------------
// Read/Write registers:
msr PMMIR_EL1, x0
mrs x0, PMMIR_EL1
//CHECK: msr PMMIR_EL1, x0 // encoding: [0xc0,0x9e,0x18,0xd5]
//CHECK: mrs x0, PMMIR_EL1 // encoding: [0xc0,0x9e,0x38,0xd5]
//CHECK-ERROR: error: expected writable system register or pstate
//CHECK-ERROR: error: expected readable system register
|