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8365153: AArch64: Set JVM flags for Neoverse N3 and V3 cores

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Reviewed-by: eastigeevich, aph
This commit is contained in:
Ruben Ayrapetyan 2025-10-08 12:13:04 +00:00 committed by Evgeny Astigeevich
parent c12f0e74a9
commit 23fcbb0bad
1 changed files with 8 additions and 2 deletions
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10
src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
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@ -1,6 +1,7 @@
/*
* Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2020, Red Hat Inc. All rights reserved.
* Copyright 2025 Arm Limited and/or its affiliates.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -222,10 +223,13 @@ void VM_Version::initialize() {
// Neoverse
// N1: 0xd0c
// N2: 0xd49
// N3: 0xd8e
// V1: 0xd40
// V2: 0xd4f
// V3: 0xd84
if (_cpu == CPU_ARM && (model_is(0xd0c) || model_is(0xd49) ||
model_is(0xd40) || model_is(0xd4f))) {
model_is(0xd40) || model_is(0xd4f) ||
model_is(0xd8e) || model_is(0xd84))) {
if (FLAG_IS_DEFAULT(UseSIMDForMemoryOps)) {
FLAG_SET_DEFAULT(UseSIMDForMemoryOps, true);
}
@ -260,7 +264,9 @@ void VM_Version::initialize() {
// Neoverse
// V1: 0xd40
// V2: 0xd4f
if (_cpu == CPU_ARM && (model_is(0xd40) || model_is(0xd4f))) {
// V3: 0xd84
if (_cpu == CPU_ARM &&
(model_is(0xd40) || model_is(0xd4f) || model_is(0xd84))) {
if (FLAG_IS_DEFAULT(UseCryptoPmullForCRC32)) {
FLAG_SET_DEFAULT(UseCryptoPmullForCRC32, true);
}