Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotVMConfig.java @ 23679:b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 15 Jun 2016 00:00:41 +0200 |
parents | |
children | 50465926fbeb |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotVMConfig.java Wed Jun 15 00:00:41 2016 +0200 @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2011, 2016, 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.amd64; + +import jdk.vm.ci.hotspot.HotSpotVMConfigAccess; +import jdk.vm.ci.hotspot.HotSpotVMConfigStore; + +public class AMD64HotSpotVMConfig extends HotSpotVMConfigAccess { + + public AMD64HotSpotVMConfig(HotSpotVMConfigStore config) { + super(config); + } + + /** + * Maximum allowed size of allocated area for a frame. + */ + public final int maxFrameSize = 16 * 1024; + + public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); + + public final boolean useCountLeadingZerosInstruction = getFlag("UseCountLeadingZerosInstruction", Boolean.class); + public final boolean useCountTrailingZerosInstruction = getFlag("UseCountTrailingZerosInstruction", Boolean.class); + public final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class); + + // CPU capabilities + public final int useSSE = getFlag("UseSSE", Integer.class); + public final int useAVX = getFlag("UseAVX", Integer.class); + + public final long vmVersionFeatures = getFieldValue("VM_Version::_cpuFeatures", Long.class, "int"); + + // CPU feature flags + public final long amd64CX8 = getConstant("VM_Version::CPU_CX8", Long.class); + public final long amd64CMOV = getConstant("VM_Version::CPU_CMOV", Long.class); + public final long amd64FXSR = getConstant("VM_Version::CPU_FXSR", Long.class); + public final long amd64HT = getConstant("VM_Version::CPU_HT", Long.class); + public final long amd64MMX = getConstant("VM_Version::CPU_MMX", Long.class); + public final long amd643DNOWPREFETCH = getConstant("VM_Version::CPU_3DNOW_PREFETCH", Long.class); + public final long amd64SSE = getConstant("VM_Version::CPU_SSE", Long.class); + public final long amd64SSE2 = getConstant("VM_Version::CPU_SSE2", Long.class); + public final long amd64SSE3 = getConstant("VM_Version::CPU_SSE3", Long.class); + public final long amd64SSSE3 = getConstant("VM_Version::CPU_SSSE3", Long.class); + public final long amd64SSE4A = getConstant("VM_Version::CPU_SSE4A", Long.class); + public final long amd64SSE41 = getConstant("VM_Version::CPU_SSE4_1", Long.class); + public final long amd64SSE42 = getConstant("VM_Version::CPU_SSE4_2", Long.class); + public final long amd64POPCNT = getConstant("VM_Version::CPU_POPCNT", Long.class); + public final long amd64LZCNT = getConstant("VM_Version::CPU_LZCNT", Long.class); + public final long amd64TSC = getConstant("VM_Version::CPU_TSC", Long.class); + public final long amd64TSCINV = getConstant("VM_Version::CPU_TSCINV", Long.class); + public final long amd64AVX = getConstant("VM_Version::CPU_AVX", Long.class); + public final long amd64AVX2 = getConstant("VM_Version::CPU_AVX2", Long.class); + public final long amd64AES = getConstant("VM_Version::CPU_AES", Long.class); + public final long amd64ERMS = getConstant("VM_Version::CPU_ERMS", Long.class); + public final long amd64CLMUL = getConstant("VM_Version::CPU_CLMUL", Long.class); + public final long amd64BMI1 = getConstant("VM_Version::CPU_BMI1", Long.class); + public final long amd64BMI2 = getConstant("VM_Version::CPU_BMI2", Long.class); + public final long amd64RTM = getConstant("VM_Version::CPU_RTM", Long.class); + public final long amd64ADX = getConstant("VM_Version::CPU_ADX", Long.class); +}