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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBytecodeLIRBuilder.java @ 21526:1da7aef31a08

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created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 19 May 2015 23:16:07 +0200
parents 6ac7e9c85be6
children 5324104ac4f3
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93de07975ea9 Create dedicated BaselineBytecodeParser, BytecodeLIRBuilder and amd64 specialization.
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1 /*
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2 * Copyright (c) 2014, 2014, 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
93de07975ea9 Create dedicated BaselineBytecodeParser, BytecodeLIRBuilder and amd64 specialization.
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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.amd64;
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24
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25 import static com.oracle.graal.amd64.AMD64.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.compiler.gen.*;
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30 import com.oracle.graal.hotspot.amd64.AMD64HotSpotLIRGenerator.SaveRbp;
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1da7aef31a08 created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
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31 import com.oracle.graal.hotspot.jvmci.*;
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32 import com.oracle.graal.lir.StandardOp.NoOp;
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33 import com.oracle.graal.lir.gen.*;
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34
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35 public class AMD64HotSpotBytecodeLIRBuilder extends BytecodeLIRBuilder {
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36
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37 public AMD64HotSpotBytecodeLIRBuilder(LIRGeneratorTool gen, BytecodeParserTool parser) {
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38 super(gen, parser);
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39 }
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40
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41 private AMD64HotSpotLIRGenerator getGen() {
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42 return (AMD64HotSpotLIRGenerator) gen;
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43 }
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44
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45 private SaveRbp getSaveRbp() {
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46 return getGen().saveRbp;
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47 }
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48
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49 private void setSaveRbp(SaveRbp saveRbp) {
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50 getGen().saveRbp = saveRbp;
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51 }
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52
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53 @Override
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54 public void emitPrologue(ResolvedJavaMethod method) {
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55 CallingConvention incomingArguments = gen.getCallingConvention();
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56
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57 Value[] params = new Value[incomingArguments.getArgumentCount() + 1];
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58 for (int i = 0; i < params.length - 1; i++) {
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59 params[i] = LIRGenerator.toStackKind(incomingArguments.getArgument(i));
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60 if (ValueUtil.isStackSlot(params[i])) {
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61 StackSlot slot = ValueUtil.asStackSlot(params[i]);
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62 if (slot.isInCallerFrame() && !gen.getResult().getLIR().hasArgInCallerFrame()) {
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63 gen.getResult().getLIR().setHasArgInCallerFrame();
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64 }
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65 }
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66 }
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67 params[params.length - 1] = rbp.asValue(LIRKind.value(Kind.Long));
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68
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69 gen.emitIncomingValues(params);
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70
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71 setSaveRbp(((AMD64HotSpotLIRGenerator) gen).new SaveRbp(new NoOp(gen.getCurrentBlock(), gen.getResult().getLIR().getLIRforBlock(gen.getCurrentBlock()).size())));
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72 gen.append(getSaveRbp().placeholder);
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73
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74 Signature sig = method.getSignature();
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75 boolean isStatic = method.isStatic();
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76 for (int i = 0; i < sig.getParameterCount(!isStatic); i++) {
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77 Value paramValue = params[i];
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78 assert paramValue.getKind() == sig.getParameterKind(i).getStackKind();
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79 parser.storeLocal(i, gen.emitMove(paramValue));
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80 }
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81 }
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82
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83 @Override
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84 public int getArrayLengthOffset() {
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85 return getGen().config.arrayLengthOffset;
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86 }
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87
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88 @Override
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89 public JavaConstant getClassConstant(ResolvedJavaType declaringClass) {
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90 return declaringClass.getJavaClass();
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91 }
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92
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93 @Override
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94 public int getFieldOffset(ResolvedJavaField field) {
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95 return ((HotSpotResolvedJavaField) field).offset();
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96 }
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97
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98 }