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annotate graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCMathIntrinsicOp.java @ 18564:966081b8e830

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guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
author Doug Simon <doug.simon@oracle.com>
date Thu, 27 Nov 2014 11:45:13 +0100
parents 2d401b9ca70d
children 8fc336a04d77 32a5dd091f5f
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1 /*
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2 * Copyright (c) 2011, 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
91a1041ec905 SPARCLIRGenerator, sqrt, condition move, breakpoint op, partial bit ops
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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
91a1041ec905 SPARCLIRGenerator, sqrt, condition move, breakpoint op, partial bit ops
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
91a1041ec905 SPARCLIRGenerator, sqrt, condition move, breakpoint op, partial bit ops
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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
91a1041ec905 SPARCLIRGenerator, sqrt, condition move, breakpoint op, partial bit ops
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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.lir.sparc;
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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.meta.*;
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28 import com.oracle.graal.asm.sparc.SPARCAssembler.*;
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29 import com.oracle.graal.asm.sparc.*;
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30 import com.oracle.graal.compiler.common.*;
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31 import com.oracle.graal.lir.*;
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32 import com.oracle.graal.lir.asm.*;
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33
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34 public class SPARCMathIntrinsicOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction {
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35
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36 public enum IntrinsicOpcode {
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37 SQRT,
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38 SIN,
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39 COS,
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40 TAN,
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41 LOG,
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42 LOG10,
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43 ABS
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44 }
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45
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46 @Opcode private final IntrinsicOpcode opcode;
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47 @Def protected Value result;
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48 @Use protected Value input;
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49
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50 public SPARCMathIntrinsicOp(IntrinsicOpcode opcode, Value result, Value input) {
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51 this.opcode = opcode;
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52 this.result = result;
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53 this.input = input;
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54 }
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55
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56 @Override
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57 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
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58 Kind inputKind = (Kind) input.getLIRKind().getPlatformKind();
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59 delayedControlTransfer.emitControlTransfer(crb, masm);
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60 switch (opcode) {
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61 case SQRT:
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62 switch (inputKind) {
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63 case Float:
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64 new Fsqrts(asFloatReg(input), asFloatReg(result)).emit(masm);
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65 break;
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66 case Double:
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67 new Fsqrtd(asDoubleReg(input), asDoubleReg(result)).emit(masm);
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68 break;
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69 default:
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70 GraalInternalError.shouldNotReachHere();
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71 }
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72 break;
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73 case ABS:
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74 switch (inputKind) {
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75 case Float:
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76 new Fabss(asFloatReg(input), asFloatReg(result)).emit(masm);
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77 break;
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78 case Double:
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79 new Fabsd(asDoubleReg(input), asDoubleReg(result)).emit(masm);
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80 break;
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81 default:
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82 GraalInternalError.shouldNotReachHere();
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83 }
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84 break;
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85 case LOG:
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86 case LOG10:
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87 case SIN:
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88 case COS:
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89 case TAN:
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90 default:
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91 throw GraalInternalError.shouldNotReachHere();
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92 }
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93 }
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94
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95 }