Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCLogicInstruction.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
| author | jrose |
|---|---|
| date | Sat, 30 Oct 2010 13:08:23 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.asm.sparc; | |
| 26 | |
| 27 import sun.jvm.hotspot.asm.*; | |
| 28 | |
| 29 public class SPARCLogicInstruction extends SPARCFormat3AInstruction | |
| 30 implements LogicInstruction { | |
| 31 final private int operation; | |
| 32 | |
| 33 public SPARCLogicInstruction(String name, int opcode, int operation, SPARCRegister rs1, | |
| 34 ImmediateOrRegister operand2, SPARCRegister rd) { | |
| 35 super(name, opcode, rs1, operand2, rd); | |
| 36 this.operation = operation; | |
| 37 } | |
| 38 | |
| 39 protected String getDescription() { | |
| 40 SPARCRegister G0 = SPARCRegisters.G0; | |
| 41 if (opcode == ORcc && rd == G0 && rd == operand2) { | |
| 42 StringBuffer buf = new StringBuffer(); | |
| 43 buf.append("tst"); | |
| 44 buf.append(spaces); | |
| 45 buf.append(getOperand2String()); | |
| 46 return buf.toString(); | |
| 47 } else if (opcode == XNOR && G0 == operand2) { | |
| 48 StringBuffer buf = new StringBuffer(); | |
| 49 buf.append("not"); | |
| 50 buf.append(spaces); | |
| 51 buf.append(rs1.toString()); | |
| 52 if (rs1 != rd) { | |
| 53 buf.append(comma); | |
| 54 buf.append(rd.toString()); | |
| 55 } | |
| 56 return buf.toString(); | |
| 57 } else if (opcode == ANDcc && rd == G0) { | |
| 58 StringBuffer buf = new StringBuffer(); | |
| 59 buf.append("btst"); | |
| 60 buf.append(spaces); | |
| 61 buf.append(getOperand2String()); | |
| 62 buf.append(comma); | |
| 63 buf.append(rd.toString()); | |
| 64 return buf.toString(); | |
| 65 } else if (rs1 == rd) { | |
| 66 StringBuffer buf = new StringBuffer(); | |
| 67 switch (opcode) { | |
| 68 case OR: | |
| 69 buf.append("bset"); | |
| 70 break; | |
| 71 case ANDN: | |
| 72 buf.append("bclr"); | |
| 73 break; | |
| 74 case XOR: | |
| 75 buf.append("btog"); | |
| 76 break; | |
| 77 default: | |
| 78 return super.getDescription(); | |
| 79 } | |
| 80 buf.append(spaces); | |
| 81 buf.append(getOperand2String()); | |
| 82 buf.append(comma); | |
| 83 buf.append(rd.toString()); | |
| 84 return buf.toString(); | |
| 85 } else { | |
| 86 return super.getDescription(); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 public Operand getLogicDestination() { | |
| 91 return getDestinationRegister(); | |
| 92 } | |
| 93 | |
| 94 public Operand[] getLogicSources() { | |
| 95 return (new Operand[] { rs1, operand2 }); | |
| 96 } | |
| 97 | |
| 98 public int getOperation() { | |
| 99 return operation; | |
| 100 } | |
| 101 | |
| 102 public boolean isLogic() { | |
| 103 return true; | |
| 104 } | |
| 105 } |