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annotate graal/com.oracle.jvmci.hotspot.sparc/src/com/oracle/jvmci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java @ 21675:2e8c01def9a5

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moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 03 Jun 2015 00:30:44 +0200
parents graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/jvmci/SPARCHotSpotJVMCIBackendFactory.java@e0b5d4fcd929
children
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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 com.oracle.jvmci.hotspot.sparc;
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24
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25 import static com.oracle.jvmci.hotspot.InitTimer.*;
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26
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27 import java.util.*;
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28
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29 import com.oracle.jvmci.code.*;
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30 import com.oracle.jvmci.hotspot.*;
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31 import com.oracle.jvmci.runtime.*;
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32 import com.oracle.jvmci.service.*;
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33 import com.oracle.jvmci.sparc.*;
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34 import com.oracle.jvmci.sparc.SPARC.CPUFeature;
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35
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36 @ServiceProvider(HotSpotJVMCIBackendFactory.class)
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37 public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
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38
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39 protected Architecture createArchitecture(HotSpotVMConfig config) {
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40 return new SPARC(computeFeatures(config));
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41 }
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42
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43 protected TargetDescription createTarget(HotSpotVMConfig config) {
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44 final int stackFrameAlignment = 16;
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45 final int implicitNullCheckLimit = 4096;
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46 final boolean inlineObjects = true;
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47 return new HotSpotTargetDescription(createArchitecture(config), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
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48 }
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49
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50 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
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51 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
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52 }
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53
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54 protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) {
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55 EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class);
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56 if ((config.sparcFeatures & config.vis1Instructions) != 0) {
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57 features.add(CPUFeature.VIS1);
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58 }
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59 if ((config.sparcFeatures & config.vis2Instructions) != 0) {
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60 features.add(CPUFeature.VIS2);
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61 }
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62 if ((config.sparcFeatures & config.vis3Instructions) != 0) {
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63 features.add(CPUFeature.VIS3);
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64 }
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65 if ((config.sparcFeatures & config.cbcondInstructions) != 0) {
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66 features.add(CPUFeature.CBCOND);
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67 }
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68 return features;
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69 }
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70
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71 public String getArchitecture() {
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72 return "SPARC";
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73 }
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74
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75 @Override
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76 public String toString() {
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77 return getJVMCIRuntimeName() + ":" + getArchitecture();
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78 }
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79
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80 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
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81 assert host == null;
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82 TargetDescription target = createTarget(runtime.getConfig());
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83
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84 HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime);
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85 RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target, runtime.getConfig());
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86 HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig);
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87 HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime);
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88 try (InitTimer rt = timer("instantiate backend")) {
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89 return createBackend(metaAccess, codeCache, constantReflection);
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90 }
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91 }
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92
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93 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection) {
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94 return new JVMCIBackend(metaAccess, codeCache, constantReflection);
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95 }
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96
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97 public String getJVMCIRuntimeName() {
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98 return "basic";
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99 }
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100 }