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annotate graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotBackend.java @ 9814:e723f9031785
re-architected SPARC assembler to be Fmt class specific, initial arithmetic
author | Morris Meyer <morris.meyer@oracle.com> |
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date | Fri, 24 May 2013 10:37:27 -0400 |
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1 /* |
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2 * Copyright (c) 2013, 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.asm.AbstractAssembler; |
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28 import com.oracle.graal.asm.sparc.SPARCAssembler; |
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29 import com.oracle.graal.compiler.gen.LIRGenerator; |
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30 import com.oracle.graal.compiler.sparc.SPARCLIRGenerator; |
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31 import com.oracle.graal.hotspot.*; |
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32 import com.oracle.graal.hotspot.meta.*; |
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33 import com.oracle.graal.hotspot.stubs.Stub; |
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34 import com.oracle.graal.lir.*; |
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35 import com.oracle.graal.lir.asm.*; |
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36 import com.oracle.graal.nodes.*; |
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37 import static com.oracle.graal.phases.GraalOptions.*; |
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38 |
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39 /** |
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40 * HotSpot SPARC specific backend. |
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41 */ |
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42 public class SPARCHotSpotBackend extends HotSpotBackend { |
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43 |
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44 public SPARCHotSpotBackend(HotSpotRuntime runtime, TargetDescription target) { |
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45 super(runtime, target); |
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46 } |
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47 |
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48 @Override |
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49 public LIRGenerator newLIRGenerator(StructuredGraph graph, FrameMap frameMap, CallingConvention cc, LIR lir) { |
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50 return new SPARCLIRGenerator(graph, this.runtime(), this.target, frameMap, cc, lir); |
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51 } |
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52 |
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53 @Override |
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54 protected AbstractAssembler createAssembler(FrameMap frameMap) { |
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55 return new SPARCAssembler(target, frameMap.registerConfig); |
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56 } |
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57 |
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58 class HotSpotFrameContext implements FrameContext { |
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59 |
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60 final boolean isStub; |
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61 |
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62 HotSpotFrameContext(boolean isStub) { |
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63 this.isStub = isStub; |
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64 } |
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65 |
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66 @Override |
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67 public void enter(TargetMethodAssembler tasm) { |
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68 } |
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69 |
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70 @Override |
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71 public void leave(TargetMethodAssembler tasm) { |
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72 } |
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73 } |
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74 |
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75 @Override |
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76 public TargetMethodAssembler newAssembler(LIRGenerator lirGen, CompilationResult compilationResult) { |
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77 SPARCHotSpotLIRGenerator gen = (SPARCHotSpotLIRGenerator) lirGen; |
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78 FrameMap frameMap = gen.frameMap; |
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79 LIR lir = gen.lir; |
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80 boolean omitFrame = CanOmitFrame && !frameMap.frameNeedsAllocating() && !lir.hasArgInCallerFrame(); |
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81 |
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82 Stub stub = gen.getStub(); |
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83 AbstractAssembler masm = createAssembler(frameMap); |
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84 HotSpotFrameContext frameContext = omitFrame ? null : new HotSpotFrameContext(stub != null); |
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85 TargetMethodAssembler tasm = new TargetMethodAssembler(target, runtime(), frameMap, masm, frameContext, compilationResult); |
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86 tasm.setFrameSize(frameMap.frameSize()); |
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87 StackSlot deoptimizationRescueSlot = gen.deoptimizationRescueSlot; |
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88 if (deoptimizationRescueSlot != null && stub == null) { |
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89 tasm.compilationResult.setCustomStackAreaOffset(frameMap.offsetForStackSlot(deoptimizationRescueSlot)); |
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90 } |
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91 |
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92 return tasm; |
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93 } |
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94 |
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95 @Override |
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96 public void emitCode(TargetMethodAssembler tasm, LIRGenerator lirGen, ResolvedJavaMethod codeCacheOwner) { |
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97 // SPARC: Emit code |
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98 } |
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99 } |