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8280007: Enable Neoverse N1 optimizations for Arm Neoverse V1 & N2

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Reviewed-by: phh
This commit is contained in:
Bhavana Kilambi 2022-02-09 13:18:29 +00:00 committed by Paul Hohensee
parent 8b384b986a
commit f823bed043
1 changed files with 5 additions and 3 deletions
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8
src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 2020, Red Hat Inc. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@ -197,8 +197,10 @@ void VM_Version::initialize() {
}
}
// Neoverse N1
if (_cpu == CPU_ARM && (_model == 0xd0c || _model2 == 0xd0c)) {
// Neoverse N1, N2 and V1
if (_cpu == CPU_ARM && ((_model == 0xd0c || _model2 == 0xd0c)
|| (_model == 0xd49 || _model2 == 0xd49)
|| (_model == 0xd40 || _model2 == 0xd40))) {
if (FLAG_IS_DEFAULT(UseSIMDForMemoryOps)) {
FLAG_SET_DEFAULT(UseSIMDForMemoryOps, true);
}