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llvm-mirror/test/MC/AArch64/armv8.4a-pmu.s
Victor Campos 3dd3d16f4d [AArch64] Adding support for PMMIR_EL1 register
Summary:
The PMMIR_EL1 register is present in Armv8.4 with PMU extension.
This patch adds support for it.

Reviewers: t.p.northover, dnsampaio

Reviewed By: dnsampaio

Subscribers: kristof.beyls, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68940

llvm-svn: 375228
2019-10-18 12:40:29 +00:00

20 lines
788 B
ArmAsm

// 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