Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCArithmeticInstruction.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.asm.sparc; | |
| 26 | |
| 27 import sun.jvm.hotspot.asm.*; | |
| 28 | |
| 29 public class SPARCArithmeticInstruction extends SPARCFormat3AInstruction | |
| 30 implements ArithmeticInstruction { | |
| 31 final private int operation; | |
| 32 | |
| 33 public SPARCArithmeticInstruction(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 if (rd == rs1 && operand2.isImmediate()) { | |
| 41 int value = ((Immediate)operand2).getNumber().intValue(); | |
| 42 StringBuffer buf = new StringBuffer(); | |
| 43 switch (opcode) { | |
| 44 case ADD: | |
| 45 buf.append("inc"); | |
| 46 break; | |
| 47 case ADDcc: | |
| 48 buf.append("inccc"); | |
| 49 break; | |
| 50 case SUB: | |
| 51 buf.append("dec"); | |
| 52 break; | |
| 53 case SUBcc: | |
| 54 buf.append("deccc"); | |
| 55 break; | |
| 56 default: | |
| 57 return super.getDescription(); | |
| 58 } | |
| 59 buf.append(spaces); | |
| 60 if (value != 1) { | |
| 61 buf.append(getOperand2String()); buf.append(comma); | |
| 62 } | |
| 63 buf.append(rd.toString()); | |
| 64 return buf.toString(); | |
| 65 } else if (rd == SPARCRegisters.G0 && opcode == SUBcc) { | |
| 66 StringBuffer buf = new StringBuffer(); | |
| 67 buf.append("cmp"); | |
| 68 buf.append(spaces); | |
| 69 buf.append(rs1.toString()); | |
| 70 buf.append(comma); | |
| 71 buf.append(getOperand2String()); | |
| 72 return buf.toString(); | |
| 73 } else if (rs1 == SPARCRegisters.G0 && opcode == SUB && operand2.isRegister()) { | |
| 74 StringBuffer buf = new StringBuffer(); | |
| 75 buf.append("neg"); | |
| 76 buf.append(spaces); | |
| 77 buf.append(operand2.toString()); | |
| 78 if (operand2 != rd) { | |
| 79 buf.append(comma); | |
| 80 buf.append(rd.toString()); | |
| 81 } | |
| 82 return buf.toString(); | |
| 83 } | |
| 84 | |
| 85 return super.getDescription(); | |
| 86 } | |
| 87 | |
| 88 public Operand getArithmeticDestination() { | |
| 89 return getDestinationRegister(); | |
| 90 } | |
| 91 | |
| 92 public Operand[] getArithmeticSources() { | |
| 93 return (new Operand[] { rs1, operand2 }); | |
| 94 } | |
| 95 | |
| 96 public int getOperation() { | |
| 97 return operation; | |
| 98 } | |
| 99 | |
| 100 public boolean isArithmetic() { | |
| 101 return true; | |
| 102 } | |
| 103 } |