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annotate graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCCompare.java @ 21543:93c50cefb9e8

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moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Mon, 25 May 2015 23:30:34 +0200
parents fb2b27418347
children 48c1ebd24120
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, 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
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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.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 import static com.oracle.graal.asm.sparc.SPARCAssembler.*;
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27 import static com.oracle.graal.asm.sparc.SPARCAssembler.CC.*;
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28 import static com.oracle.graal.asm.sparc.SPARCAssembler.Opfs.*;
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29 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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30
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31 import com.oracle.graal.api.meta.*;
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32 import com.oracle.graal.asm.sparc.*;
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33 import com.oracle.graal.lir.*;
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34 import com.oracle.graal.lir.asm.*;
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35 import com.oracle.graal.lir.sparc.SPARCControlFlow.CompareBranchOp;
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36 import com.oracle.jvmci.common.*;
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37
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38 public enum SPARCCompare {
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39 ICMP,
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40 LCMP,
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41 ACMP,
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42 FCMP,
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43 DCMP;
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44
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45 public static final class CompareOp extends SPARCLIRInstruction {
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46 public static final LIRInstructionClass<CompareOp> TYPE = LIRInstructionClass.create(CompareOp.class);
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47
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48 @Opcode private final SPARCCompare opcode;
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49 @Use({REG}) protected Value x;
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50 @Use({REG, CONST}) protected Value y;
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51
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52 public CompareOp(SPARCCompare opcode, Value x, Value y) {
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53 super(TYPE);
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54 this.opcode = opcode;
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55 this.x = x;
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56 this.y = y;
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57 }
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58
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59 @Override
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60 public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
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61 emit(crb, masm, opcode, x, y);
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62 }
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63
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64 @Override
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65 public void verify() {
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66 super.verify();
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67 assert CompareBranchOp.SUPPORTED_KINDS.contains(x.getKind()) : x.getKind();
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68 assert x.getKind().equals(y.getKind()) : x + " " + y;
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69 // @formatter:off
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70 assert
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71 (name().startsWith("I") && x.getKind() == Kind.Int && y.getKind().getStackKind() == Kind.Int) ||
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72 (name().startsWith("L") && x.getKind() == Kind.Long && y.getKind() == Kind.Long) ||
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73 (name().startsWith("A") && x.getKind() == Kind.Object && y.getKind() == Kind.Object) ||
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74 (name().startsWith("F") && x.getKind() == Kind.Float && y.getKind() == Kind.Float) ||
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75 (name().startsWith("D") && x.getKind() == Kind.Double && y.getKind() == Kind.Double)
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76 : "Name; " + name() + " x: " + x + " y: " + y;
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77
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78 // @formatter:on
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79 }
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80 }
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81
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82 public static void emit(CompilationResultBuilder crb, SPARCMacroAssembler masm, SPARCCompare opcode, Value x, Value y) {
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83 if (isRegister(y)) {
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84 switch (opcode) {
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85 case ICMP:
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86 masm.cmp(asIntReg(x), asIntReg(y));
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87 break;
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88 case LCMP:
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89 masm.cmp(asLongReg(x), asLongReg(y));
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90 break;
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91 case ACMP:
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92 masm.cmp(asObjectReg(x), asObjectReg(y));
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93 break;
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94 case FCMP:
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95 masm.fcmp(Fcc0, Fcmps, asFloatReg(x), asFloatReg(y));
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96 break;
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97 case DCMP:
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98 masm.fcmp(Fcc0, Fcmpd, asDoubleReg(x), asDoubleReg(y));
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99 break;
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100 default:
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101 throw JVMCIError.shouldNotReachHere();
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102 }
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103 } else {
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104 assert isConstant(y);
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105 switch (opcode) {
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106 case LCMP:
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107 assert isSimm13(crb.asLongConst(y));
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108 masm.cmp(asLongReg(x), (int) crb.asLongConst(y));
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109 break;
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110 case ICMP:
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111 assert isSimm13(crb.asIntConst(y));
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112 masm.cmp(asIntReg(x), crb.asIntConst(y));
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113 break;
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114 case ACMP:
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115 if (((JavaConstant) y).isNull()) {
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116 masm.cmp(asObjectReg(x), 0);
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117 break;
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118 } else {
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119 throw JVMCIError.shouldNotReachHere("Only null object constants are allowed in comparisons");
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120 }
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121 case FCMP:
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122 masm.fcmp(Fcc0, Fcmps, asFloatReg(x), asFloatReg(y));
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123 break;
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124 case DCMP:
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125 masm.fcmp(Fcc0, Fcmpd, asDoubleReg(x), asDoubleReg(y));
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126 break;
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127 default:
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128 throw JVMCIError.shouldNotReachHere();
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705aca4ebf2f SPARC array, load / store and compare operations
Morris Meyer <morris.meyer@oracle.com>
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705aca4ebf2f SPARC array, load / store and compare operations
Morris Meyer <morris.meyer@oracle.com>
parents:
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705aca4ebf2f SPARC array, load / store and compare operations
Morris Meyer <morris.meyer@oracle.com>
parents:
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