src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot.aarch64/src/jdk/vm/ci/hotspot/aarch64/AArch64HotSpotVMConfig.java
8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library
Reviewed-by: dnsimon, never, stefank, rehn, neliasso, dholmes, kbarrett, coleenp
/*
* Copyright (c) 2016, 2019, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.vm.ci.hotspot.aarch64;
import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
import jdk.vm.ci.services.Services;
/**
* Used to access native configuration details.
*
* All non-static, public fields in this class are so that they can be compiled as constants.
*/
class AArch64HotSpotVMConfig extends HotSpotVMConfigAccess {
AArch64HotSpotVMConfig(HotSpotVMConfigStore config) {
super(config);
}
final boolean linuxOs = Services.getSavedProperty("os.name", "").startsWith("Linux");
final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
// CPU Capabilities
/*
* These flags are set based on the corresponding command line flags.
*/
final boolean useBarriersForVolatile = getFlag("UseBarriersForVolatile", Boolean.class);
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);
final boolean useBlockZeroing = getFlag("UseBlockZeroing", Boolean.class);
final long vmVersionFeatures = getFieldValue("Abstract_VM_Version::_features", Long.class, "uint64_t");
/*
* These flags are set if the corresponding support is in the hardware.
*/
// Checkstyle: stop
final long aarch64FP = getConstant("VM_Version::CPU_FP", Long.class);
final long aarch64ASIMD = getConstant("VM_Version::CPU_ASIMD", Long.class);
final long aarch64EVTSTRM = getConstant("VM_Version::CPU_EVTSTRM", Long.class);
final long aarch64AES = getConstant("VM_Version::CPU_AES", Long.class);
final long aarch64PMULL = getConstant("VM_Version::CPU_PMULL", Long.class);
final long aarch64SHA1 = getConstant("VM_Version::CPU_SHA1", Long.class);
final long aarch64SHA2 = getConstant("VM_Version::CPU_SHA2", Long.class);
final long aarch64CRC32 = getConstant("VM_Version::CPU_CRC32", Long.class);
final long aarch64LSE = getConstant("VM_Version::CPU_LSE", Long.class);
final long aarch64STXR_PREFETCH = getConstant("VM_Version::CPU_STXR_PREFETCH", Long.class);
final long aarch64A53MAC = getConstant("VM_Version::CPU_A53MAC", Long.class);
final long aarch64DMB_ATOMICS = getConstant("VM_Version::CPU_DMB_ATOMICS", Long.class);
// Checkstyle: resume
}