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annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackendFactory.java @ 14560:570910f5412b

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Introduce Hotspot-specific NarrowOop kind.
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 17 Mar 2014 11:40:12 +0100
parents 4347ad3df3d7
children db4254246f9a
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1 /*
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2 * Copyright (c) 2012, 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.graal.hotspot.sparc;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.api.runtime.*;
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28 import com.oracle.graal.hotspot.*;
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29 import com.oracle.graal.hotspot.meta.*;
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30 import com.oracle.graal.nodes.spi.*;
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31 import com.oracle.graal.phases.util.*;
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32 import com.oracle.graal.sparc.*;
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33
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34 @ServiceProvider(HotSpotBackendFactory.class)
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35 public class SPARCHotSpotBackendFactory implements HotSpotBackendFactory {
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36
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37 protected static Architecture createArchitecture() {
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38 return new SPARC();
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39 }
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40
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41 protected TargetDescription createTarget() {
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42 final int stackFrameAlignment = 16;
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43 final int implicitNullCheckLimit = 4096;
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44 final boolean inlineObjects = true;
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45 return new HotSpotTargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects, Kind.Int);
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46 }
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47
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48 public HotSpotBackend createBackend(HotSpotGraalRuntime runtime, HotSpotBackend host) {
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49 assert host == null;
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50 TargetDescription target = createTarget();
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51
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52 HotSpotRegistersProvider registers = createRegisters();
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53 HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime);
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54 HotSpotCodeCacheProvider codeCache = new SPARCHotSpotCodeCacheProvider(runtime, target);
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55 HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime);
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56 Value[] nativeABICallerSaveRegisters = createNativeABICallerSaveRegisters(runtime.getConfig(), codeCache.getRegisterConfig());
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57 HotSpotForeignCallsProvider foreignCalls = new SPARCHotSpotForeignCallsProvider(runtime, metaAccess, codeCache, nativeABICallerSaveRegisters);
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58 LoweringProvider lowerer = new SPARCHotSpotLoweringProvider(runtime, metaAccess, foreignCalls, registers);
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59 // Replacements cannot have speculative optimizations since they have
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60 // to be valid for the entire run of the VM.
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61 Assumptions assumptions = new Assumptions(false);
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62 Providers p = new Providers(metaAccess, codeCache, constantReflection, foreignCalls, lowerer, null);
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63 HotSpotReplacementsImpl replacements = new HotSpotReplacementsImpl(p, runtime.getConfig(), assumptions, target);
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64 HotSpotDisassemblerProvider disassembler = new HotSpotDisassemblerProvider(runtime);
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65 HotSpotSuitesProvider suites = new HotSpotSuitesProvider(runtime);
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66 HotSpotProviders providers = new HotSpotProviders(metaAccess, codeCache, constantReflection, foreignCalls, lowerer, replacements, disassembler, suites, registers);
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67
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68 return new SPARCHotSpotBackend(runtime, providers);
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69 }
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70
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71 protected HotSpotRegistersProvider createRegisters() {
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72 return new HotSpotRegisters(SPARC.g2, SPARC.g6, SPARC.sp);
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73 }
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74
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75 @SuppressWarnings("unused")
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76 private static Value[] createNativeABICallerSaveRegisters(HotSpotVMConfig config, RegisterConfig regConfig) {
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77 CalleeSaveLayout csl = regConfig.getCalleeSaveLayout();
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78 Value[] nativeABICallerSaveRegisters = new Value[csl.registers.length];
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79 for (int i = 0; i < csl.registers.length; i++) {
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80 nativeABICallerSaveRegisters[i] = csl.registers[i].asValue();
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81 }
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82 return nativeABICallerSaveRegisters;
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83 }
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84
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85 public String getArchitecture() {
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86 return "SPARC";
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87 }
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88
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89 public String getGraalRuntimeName() {
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90 return "basic";
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91 }
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92
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93 @Override
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94 public String toString() {
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95 return getGraalRuntimeName() + ":" + getArchitecture();
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96 }
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97 }