Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot.sparc/src/jdk/vm/ci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 08 Oct 2015 17:28:41 -0700 |
parents | jvmci/jdk.internal.jvmci.hotspot.sparc/src/jdk/internal/jvmci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java@353eb2b44df8 |
children | c278790fa252 |
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1 /* |
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2 * Copyright (c) 2012, 2015, 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.sparc; |
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24 |
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25 import static jdk.vm.ci.inittimer.InitTimer.timer; |
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26 |
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27 import java.util.EnumSet; |
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28 |
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29 import jdk.vm.ci.code.Architecture; |
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30 import jdk.vm.ci.code.RegisterConfig; |
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31 import jdk.vm.ci.code.TargetDescription; |
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32 import jdk.vm.ci.code.stack.StackIntrospection; |
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33 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; |
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34 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; |
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35 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; |
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36 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; |
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37 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; |
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38 import jdk.vm.ci.hotspot.HotSpotStackIntrospection; |
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39 import jdk.vm.ci.hotspot.HotSpotVMConfig; |
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40 import jdk.vm.ci.inittimer.InitTimer; |
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41 import jdk.vm.ci.runtime.JVMCIBackend; |
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42 import jdk.vm.ci.service.ServiceProvider; |
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43 import jdk.vm.ci.sparc.SPARC; |
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44 import jdk.vm.ci.sparc.SPARC.CPUFeature; |
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45 |
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46 @ServiceProvider(HotSpotJVMCIBackendFactory.class) |
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47 public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { |
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48 |
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49 protected TargetDescription createTarget(HotSpotVMConfig config) { |
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50 final int stackFrameAlignment = 16; |
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51 final int implicitNullCheckLimit = 4096; |
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52 final boolean inlineObjects = false; |
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53 Architecture arch = new SPARC(computeFeatures(config)); |
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54 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); |
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55 } |
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56 |
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57 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { |
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58 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); |
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59 } |
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60 |
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61 protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) { |
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62 EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class); |
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63 if ((config.sparcFeatures & config.vis1Instructions) != 0) { |
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64 features.add(CPUFeature.VIS1); |
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65 } |
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66 if ((config.sparcFeatures & config.vis2Instructions) != 0) { |
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67 features.add(CPUFeature.VIS2); |
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68 } |
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69 if ((config.sparcFeatures & config.vis3Instructions) != 0) { |
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70 features.add(CPUFeature.VIS3); |
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71 } |
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72 if ((config.sparcFeatures & config.cbcondInstructions) != 0) { |
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73 features.add(CPUFeature.CBCOND); |
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74 } |
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75 if (config.useBlockZeroing) { |
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76 features.add(CPUFeature.BLOCK_ZEROING); |
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77 } |
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78 return features; |
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79 } |
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80 |
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81 @Override |
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82 public String getArchitecture() { |
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83 return "SPARC"; |
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84 } |
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85 |
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86 @Override |
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87 public String toString() { |
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88 return "JVMCIBackend:" + getArchitecture(); |
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89 } |
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90 |
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91 @SuppressWarnings("try") |
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92 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { |
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93 assert host == null; |
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94 TargetDescription target = createTarget(runtime.getConfig()); |
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95 |
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96 HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime); |
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97 RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target, runtime.getConfig()); |
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98 HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig); |
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99 HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime); |
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100 StackIntrospection stackIntrospection = new HotSpotStackIntrospection(runtime); |
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101 try (InitTimer rt = timer("instantiate backend")) { |
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102 return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); |
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103 } |
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104 } |
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105 |
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106 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection, |
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107 StackIntrospection stackIntrospection) { |
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108 return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); |
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109 } |
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110 } |