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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/gen/ArithmeticLIRGenerator.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents 3081a57f95fd
children 0e095e2c24e2
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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.gen;
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24
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25 import com.oracle.jvmci.meta.Value;
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26 import com.oracle.jvmci.meta.LIRKind;
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27 import com.oracle.graal.compiler.common.calc.*;
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28 import com.oracle.graal.compiler.common.type.*;
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29 import com.oracle.graal.lir.*;
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30
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31 /**
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32 * This interface can be used to generate LIR for arithmetic operations.
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33 *
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34 * The setFlags flag in emitAdd, emitSub and emitMul indicates, that the instruction must set the
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35 * flags register to be used for a later branch. (On AMD64, the condition codes are set in every
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36 * arithmetic instruction, but other architectures optionally set the flags register) If setFlags is
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37 * set, the instruction must set the flags register; if false, the instruction may or may not set
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38 * the flags register.
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39 */
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40 public interface ArithmeticLIRGenerator {
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41
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42 LIRKind getLIRKind(Stamp stamp);
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43
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44 Value emitNegate(Value input);
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45
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46 Value emitAdd(Value a, Value b, boolean setFlags);
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47
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48 Value emitSub(Value a, Value b, boolean setFlags);
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49
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50 Value emitMul(Value a, Value b, boolean setFlags);
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51
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52 Value emitMulHigh(Value a, Value b);
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53
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54 Value emitUMulHigh(Value a, Value b);
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55
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56 Value emitDiv(Value a, Value b, LIRFrameState state);
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57
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58 Value emitRem(Value a, Value b, LIRFrameState state);
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59
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60 Value emitUDiv(Value a, Value b, LIRFrameState state);
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61
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62 Value emitURem(Value a, Value b, LIRFrameState state);
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63
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64 Value emitNot(Value input);
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65
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66 Value emitAnd(Value a, Value b);
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67
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68 Value emitOr(Value a, Value b);
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69
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70 Value emitXor(Value a, Value b);
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71
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72 Value emitShl(Value a, Value b);
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73
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74 Value emitShr(Value a, Value b);
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75
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76 Value emitUShr(Value a, Value b);
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77
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78 Value emitFloatConvert(FloatConvert op, Value inputVal);
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79
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80 Value emitReinterpret(LIRKind to, Value inputVal);
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81
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82 Value emitNarrow(Value inputVal, int bits);
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83
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84 Value emitSignExtend(Value inputVal, int fromBits, int toBits);
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85
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86 Value emitZeroExtend(Value inputVal, int fromBits, int toBits);
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87
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88 Value emitMathAbs(Value input);
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89
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90 Value emitMathSqrt(Value input);
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91 }