--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCArithmeticInstruction.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.asm.sparc;
+
+import sun.jvm.hotspot.asm.*;
+
+public class SPARCArithmeticInstruction extends SPARCFormat3AInstruction
+    implements ArithmeticInstruction {
+    final private int operation;
+
+    public SPARCArithmeticInstruction(String name, int opcode, int operation, SPARCRegister rs1,
+                                      ImmediateOrRegister operand2, SPARCRegister rd) {
+        super(name, opcode, rs1, operand2, rd);
+        this.operation = operation;
+    }
+
+    protected String getDescription() {
+        if (rd == rs1 && operand2.isImmediate()) {
+            int value = ((Immediate)operand2).getNumber().intValue();
+            StringBuffer buf = new StringBuffer();
+            switch (opcode) {
+                case ADD:
+                    buf.append("inc");
+                    break;
+                case ADDcc:
+                    buf.append("inccc");
+                    break;
+                case SUB:
+                    buf.append("dec");
+                    break;
+                case SUBcc:
+                    buf.append("deccc");
+                    break;
+                default:
+                    return super.getDescription();
+            }
+            buf.append(spaces);
+            if (value != 1) {
+                buf.append(getOperand2String()); buf.append(comma);
+            }
+            buf.append(rd.toString());
+            return buf.toString();
+        } else if (rd == SPARCRegisters.G0 && opcode == SUBcc) {
+            StringBuffer buf = new StringBuffer();
+            buf.append("cmp");
+            buf.append(spaces);
+            buf.append(rs1.toString());
+            buf.append(comma);
+            buf.append(getOperand2String());
+            return buf.toString();
+        } else if (rs1 == SPARCRegisters.G0 && opcode == SUB && operand2.isRegister()) {
+            StringBuffer buf = new StringBuffer();
+            buf.append("neg");
+            buf.append(spaces);
+            buf.append(operand2.toString());
+            if (operand2 != rd) {
+                buf.append(comma);
+                buf.append(rd.toString());
+            }
+            return buf.toString();
+        }
+
+        return super.getDescription();
+    }
+
+    public Operand getArithmeticDestination() {
+        return getDestinationRegister();
+    }
+
+    public Operand[] getArithmeticSources() {
+        return (new Operand[] { rs1, operand2 });
+    }
+
+    public int getOperation() {
+        return operation;
+    }
+
+    public boolean isArithmetic() {
+        return true;
+    }
+}