Mercurial > hg > truffle
annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ImmediateArgument.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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1 /* |
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2 * Copyright (c) 2007, 2011, 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.sun.max.asm.gen; |
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24 |
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25 import com.sun.max.asm.*; |
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26 import com.sun.max.lang.*; |
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27 import com.sun.max.program.*; |
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28 |
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29 /** |
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30 */ |
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31 public abstract class ImmediateArgument implements Argument { |
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32 |
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33 public static ImmediateArgument create(long value, WordWidth width) { |
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34 switch (width) { |
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35 case BITS_8: |
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36 return new Immediate8Argument((byte) value); |
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37 case BITS_16: |
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38 return new Immediate16Argument((short) value); |
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39 case BITS_32: |
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40 return new Immediate32Argument((int) value); |
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41 case BITS_64: |
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42 return new Immediate64Argument(value); |
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43 default: |
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44 throw ProgramError.unknownCase(); |
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45 } |
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46 } |
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47 |
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48 public ImmediateArgument plus(ImmediateArgument addend) { |
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49 return create(asLong() + addend.asLong(), width()); |
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50 } |
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51 |
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52 public ImmediateArgument plus(long addend) { |
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53 return create(asLong() + addend, width()); |
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54 } |
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55 |
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56 public ImmediateArgument minus(ImmediateArgument addend) { |
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57 return create(asLong() - addend.asLong(), width()); |
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58 } |
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59 |
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60 public ImmediateArgument minus(long addend) { |
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61 return create(asLong() - addend, width()); |
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62 } |
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63 |
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64 public abstract WordWidth width(); |
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65 |
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66 public abstract String signedExternalValue(); |
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67 |
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68 public abstract Object boxedJavaValue(); |
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69 |
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70 @Override |
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71 public final String toString() { |
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72 return "<" + getClass().getSimpleName() + ": " + externalValue() + ">"; |
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73 } |
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74 |
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75 } |