Mercurial > hg > graal-jvmci-8
annotate 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 |
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children | 50465926fbeb |
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1 /* |
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2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package jdk.vm.ci.hotspot.amd64; |
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24 |
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25 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess; |
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26 import jdk.vm.ci.hotspot.HotSpotVMConfigStore; |
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27 |
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28 public class AMD64HotSpotVMConfig extends HotSpotVMConfigAccess { |
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29 |
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30 public AMD64HotSpotVMConfig(HotSpotVMConfigStore config) { |
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31 super(config); |
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32 } |
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33 |
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34 /** |
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35 * Maximum allowed size of allocated area for a frame. |
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36 */ |
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37 public final int maxFrameSize = 16 * 1024; |
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38 |
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39 public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); |
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40 |
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41 public final boolean useCountLeadingZerosInstruction = getFlag("UseCountLeadingZerosInstruction", Boolean.class); |
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42 public final boolean useCountTrailingZerosInstruction = getFlag("UseCountTrailingZerosInstruction", Boolean.class); |
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43 public final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class); |
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44 |
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45 // CPU capabilities |
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46 public final int useSSE = getFlag("UseSSE", Integer.class); |
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47 public final int useAVX = getFlag("UseAVX", Integer.class); |
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48 |
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49 public final long vmVersionFeatures = getFieldValue("VM_Version::_cpuFeatures", Long.class, "int"); |
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50 |
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51 // CPU feature flags |
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52 public final long amd64CX8 = getConstant("VM_Version::CPU_CX8", Long.class); |
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53 public final long amd64CMOV = getConstant("VM_Version::CPU_CMOV", Long.class); |
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54 public final long amd64FXSR = getConstant("VM_Version::CPU_FXSR", Long.class); |
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55 public final long amd64HT = getConstant("VM_Version::CPU_HT", Long.class); |
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56 public final long amd64MMX = getConstant("VM_Version::CPU_MMX", Long.class); |
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57 public final long amd643DNOWPREFETCH = getConstant("VM_Version::CPU_3DNOW_PREFETCH", Long.class); |
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58 public final long amd64SSE = getConstant("VM_Version::CPU_SSE", Long.class); |
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59 public final long amd64SSE2 = getConstant("VM_Version::CPU_SSE2", Long.class); |
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60 public final long amd64SSE3 = getConstant("VM_Version::CPU_SSE3", Long.class); |
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61 public final long amd64SSSE3 = getConstant("VM_Version::CPU_SSSE3", Long.class); |
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62 public final long amd64SSE4A = getConstant("VM_Version::CPU_SSE4A", Long.class); |
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63 public final long amd64SSE41 = getConstant("VM_Version::CPU_SSE4_1", Long.class); |
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64 public final long amd64SSE42 = getConstant("VM_Version::CPU_SSE4_2", Long.class); |
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65 public final long amd64POPCNT = getConstant("VM_Version::CPU_POPCNT", Long.class); |
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66 public final long amd64LZCNT = getConstant("VM_Version::CPU_LZCNT", Long.class); |
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67 public final long amd64TSC = getConstant("VM_Version::CPU_TSC", Long.class); |
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68 public final long amd64TSCINV = getConstant("VM_Version::CPU_TSCINV", Long.class); |
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69 public final long amd64AVX = getConstant("VM_Version::CPU_AVX", Long.class); |
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70 public final long amd64AVX2 = getConstant("VM_Version::CPU_AVX2", Long.class); |
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71 public final long amd64AES = getConstant("VM_Version::CPU_AES", Long.class); |
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72 public final long amd64ERMS = getConstant("VM_Version::CPU_ERMS", Long.class); |
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73 public final long amd64CLMUL = getConstant("VM_Version::CPU_CLMUL", Long.class); |
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74 public final long amd64BMI1 = getConstant("VM_Version::CPU_BMI1", Long.class); |
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75 public final long amd64BMI2 = getConstant("VM_Version::CPU_BMI2", Long.class); |
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76 public final long amd64RTM = getConstant("VM_Version::CPU_RTM", Long.class); |
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77 public final long amd64ADX = getConstant("VM_Version::CPU_ADX", Long.class); |
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78 } |