diff --git a/src/hotspot/cpu/aarch64/globals_aarch64.hpp b/src/hotspot/cpu/aarch64/globals_aarch64.hpp index 760aada0270..2f83838fc0f 100644 --- a/src/hotspot/cpu/aarch64/globals_aarch64.hpp +++ b/src/hotspot/cpu/aarch64/globals_aarch64.hpp @@ -85,8 +85,6 @@ define_pd_global(intx, InlineSmallCode, 1000); \ product(bool, NearCpool, true, \ "constant pool is close to instructions") \ - product(bool, UseNeon, false, \ - "Use Neon for CRC32 computation") \ product(bool, UseCRC32, false, \ "Use CRC32 instructions for CRC32 computation") \ product(bool, UseCryptoPmullForCRC32, false, \ diff --git a/src/hotspot/share/runtime/arguments.cpp b/src/hotspot/share/runtime/arguments.cpp index ecd3f00cbeb..8ccd466d109 100644 --- a/src/hotspot/share/runtime/arguments.cpp +++ b/src/hotspot/share/runtime/arguments.cpp @@ -537,6 +537,7 @@ static SpecialFlag const special_jvm_flags[] = { { "ParallelOldDeadWoodLimiterMean", JDK_Version::undefined(), JDK_Version::jdk(23), JDK_Version::jdk(24) }, { "ParallelOldDeadWoodLimiterStdDev", JDK_Version::undefined(), JDK_Version::jdk(23), JDK_Version::jdk(24) }, + { "UseNeon", JDK_Version::undefined(), JDK_Version::jdk(23), JDK_Version::jdk(24) }, #ifdef ASSERT { "DummyObsoleteTestFlag", JDK_Version::undefined(), JDK_Version::jdk(18), JDK_Version::undefined() }, #endif diff --git a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/aarch64/AArch64.java b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/aarch64/AArch64.java index bb8bf22b38e..609e01a8db1 100644 --- a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/aarch64/AArch64.java +++ b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/aarch64/AArch64.java @@ -190,7 +190,6 @@ public class AArch64 extends Architecture { */ public enum Flag { UseCRC32, - UseNeon, UseSIMDForMemoryOps, AvoidUnalignedAccesses, UseLSE, diff --git a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java index 9d7d4748fdd..890a3357678 100644 --- a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java +++ b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotJVMCIBackendFactory.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015, 2021, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2015, 2024, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -58,9 +58,6 @@ public class AArch64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFac if (config.useCRC32) { flags.add(AArch64.Flag.UseCRC32); } - if (config.useNeon) { - flags.add(AArch64.Flag.UseNeon); - } if (config.useSIMDForMemoryOps) { flags.add(AArch64.Flag.UseSIMDForMemoryOps); } diff --git a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotVMConfig.java b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotVMConfig.java index 720bebb30cf..a388687c69a 100644 --- a/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotVMConfig.java +++ b/src/jdk.internal.vm.ci/share/classes/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotVMConfig.java @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -44,7 +44,6 @@ class AArch64HotSpotVMConfig extends HotSpotVMConfigAccess { * These flags are set based on the corresponding command line flags. */ final boolean useCRC32 = getFlag("UseCRC32", Boolean.class); - final boolean useNeon = getFlag("UseNeon", Boolean.class); final boolean useSIMDForMemoryOps = getFlag("UseSIMDForMemoryOps", Boolean.class); final boolean avoidUnalignedAccesses = getFlag("AvoidUnalignedAccesses", Boolean.class); final boolean useLSE = getFlag("UseLSE", Boolean.class);