1 /* |
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2 * Copyright (c) 2002, 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 */ |
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24 |
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25 package sun.jvm.hotspot.asm.sparc; |
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26 |
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27 import sun.jvm.hotspot.asm.*; |
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28 import sun.jvm.hotspot.utilities.Assert; |
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29 |
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30 public class SPARCV9WriteInstruction extends SPARCV9SpecialRegisterInstruction { |
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31 final private int specialReg; |
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32 final private int asrRegNum; |
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33 final private SPARCRegister rs1; |
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34 final private ImmediateOrRegister operand2; |
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35 |
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36 public SPARCV9WriteInstruction(int specialReg, int asrRegNum, SPARCRegister rs1, ImmediateOrRegister operand2) { |
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37 super("wr"); |
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38 this.specialReg = specialReg; |
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39 this.asrRegNum = asrRegNum; |
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40 this.rs1 = rs1; |
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41 this.operand2 = operand2; |
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42 } |
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43 |
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44 public int getSpecialRegister() { |
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45 return specialReg; |
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46 } |
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47 |
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48 public int getAncillaryRegister() { |
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49 if (Assert.ASSERTS_ENABLED) |
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50 Assert.that(specialReg == ASR, "not an ancillary register"); |
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51 return asrRegNum; |
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52 } |
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53 |
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54 protected String getDescription() { |
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55 StringBuffer buf = new StringBuffer(); |
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56 buf.append(getName()); |
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57 buf.append(spaces); |
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58 buf.append(rs1.toString()); |
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59 buf.append(comma); |
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60 if (operand2.isRegister()) { |
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61 buf.append(operand2.toString()); |
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62 } else { |
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63 Number number = ((Immediate)operand2).getNumber(); |
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64 buf.append("0x"); |
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65 buf.append(Integer.toHexString(number.intValue())); |
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66 } |
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67 buf.append(comma); |
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68 |
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69 if(specialReg == ASR) |
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70 buf.append("%asr" + asrRegNum); |
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71 else |
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72 buf.append(getSpecialRegisterName(specialReg)); |
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73 return buf.toString(); |
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74 } |
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75 } |
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