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8321105: Enable UseCryptoPmullForCRC32 for Neoverse V2

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Reviewed-by: shade, ngasson
This commit is contained in:
Evgeny Astigeevich 2023-12-05 13:05:23 +00:00
parent 4fbf22b002
commit 5b02188f72
1 changed files with 9 additions and 3 deletions
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12
src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
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@ -204,7 +204,11 @@ void VM_Version::initialize() {
}
}
// Neoverse N1, N2, V1, V2
// Neoverse
// N1: 0xd0c
// N2: 0xd49
// V1: 0xd40
// V2: 0xd4f
if (_cpu == CPU_ARM && (model_is(0xd0c) || model_is(0xd49) ||
model_is(0xd40) || model_is(0xd4f))) {
if (FLAG_IS_DEFAULT(UseSIMDForMemoryOps)) {
@ -235,8 +239,10 @@ void VM_Version::initialize() {
FLAG_SET_DEFAULT(UseCRC32, false);
}
// Neoverse V1
if (_cpu == CPU_ARM && model_is(0xd40)) {
// Neoverse
// V1: 0xd40
// V2: 0xd4f
if (_cpu == CPU_ARM && (model_is(0xd40) || model_is(0xd4f))) {
if (FLAG_IS_DEFAULT(UseCryptoPmullForCRC32)) {
FLAG_SET_DEFAULT(UseCryptoPmullForCRC32, true);
}