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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotCounterOp.java @ 19909:1fed7073f288

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Add AMD64HotSpotCounterOp and SPARCHotSpotCounterOp.
author Josef Eisl <josef.eisl@jku.at>
date Tue, 17 Mar 2015 17:18:47 +0100
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children 422e60a2f4b9
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19909
1fed7073f288 Add AMD64HotSpotCounterOp and SPARCHotSpotCounterOp.
Josef Eisl <josef.eisl@jku.at>
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1 /*
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2 * Copyright (c) 2015, 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
1fed7073f288 Add AMD64HotSpotCounterOp and SPARCHotSpotCounterOp.
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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;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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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.asm.*;
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30 import com.oracle.graal.compiler.common.*;
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31 import com.oracle.graal.hotspot.debug.*;
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32 import com.oracle.graal.hotspot.meta.*;
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33 import com.oracle.graal.lir.*;
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34
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35 public abstract class HotSpotCounterOp extends LIRInstruction {
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36 public static final LIRInstructionClass<HotSpotCounterOp> TYPE = LIRInstructionClass.create(HotSpotCounterOp.class);
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37
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38 private final String[] names;
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39 private final String[] groups;
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40 protected final Register thread;
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41 protected final HotSpotVMConfig config;
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42 @Alive({OperandFlag.CONST, OperandFlag.REG}) protected Value[] increments;
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43
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44 public HotSpotCounterOp(LIRInstructionClass<? extends HotSpotCounterOp> c, String name, String group, Value increment, HotSpotRegistersProvider registers, HotSpotVMConfig config) {
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45 this(c, new String[]{name}, new String[]{group}, new Value[]{increment}, registers, config);
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46 }
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47
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48 public HotSpotCounterOp(LIRInstructionClass<? extends HotSpotCounterOp> c, String[] names, String[] groups, Value[] increments, HotSpotRegistersProvider registers, HotSpotVMConfig config) {
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49 super(c);
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50
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51 assert names.length == groups.length;
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52 assert groups.length == increments.length;
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53
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54 this.names = names;
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55 this.groups = groups;
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56 this.increments = increments;
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57 this.thread = registers.getThreadRegister();
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58 this.config = config;
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59 }
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60
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61 protected static int getDisplacementForLongIndex(TargetDescription target, long index) {
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62 long finalDisp = index * target.getSizeInBytes(Kind.Long);
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63 if (!NumUtil.isInt(finalDisp)) {
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64 throw GraalInternalError.unimplemented("cannot deal with indices that big: " + index);
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65 }
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66 return (int) finalDisp;
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67 }
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68
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69 protected interface CounterProcedure {
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70 void apply(String name, String group, Value increment);
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71 }
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72
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73 protected void forEachCounter(CounterProcedure proc) {
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74 for (int i = 0; i < names.length; i++) {
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75 proc.apply(names[i], groups[i], increments[i]);
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76 }
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77 }
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78
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79 protected int getIndex(String name, String group, Value increment) {
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80 if (isConstant(increment)) {
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81 // get index for the counter
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82 return BenchmarkCounters.getIndexConstantIncrement(name, group, config, asLong(asConstant(increment)));
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83 }
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84 assert isRegister(increment) : "Unexpected Value: " + increment;
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85 // get index for the counter
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86 return BenchmarkCounters.getIndex(name, group, config);
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87 }
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88
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89 private static long asLong(JavaConstant value) {
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90 Kind kind = value.getKind();
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91 switch (kind) {
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92 case Byte:
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93 case Short:
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94 case Char:
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95 case Int:
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96 return value.asInt();
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97 case Long:
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98 return value.asLong();
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99 default:
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100 throw new IllegalArgumentException("not an integer kind: " + kind);
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101 }
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102 }
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103
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104 protected static int asInt(JavaConstant value) {
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105 long l = asLong(value);
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106 if (!NumUtil.isInt(l)) {
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107 throw GraalInternalError.shouldNotReachHere("value does not fit into int: " + l);
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108 }
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109 return (int) l;
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110 }
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111
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112 }