--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCLogicInstruction.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,105 @@
+/*
+ * 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 SPARCLogicInstruction extends SPARCFormat3AInstruction
+    implements LogicInstruction {
+    final private int operation;
+
+    public SPARCLogicInstruction(String name, int opcode, int operation, SPARCRegister rs1,
+                                 ImmediateOrRegister operand2, SPARCRegister rd) {
+        super(name, opcode, rs1, operand2, rd);
+        this.operation = operation;
+    }
+
+    protected String getDescription() {
+        SPARCRegister G0 = SPARCRegisters.G0;
+        if (opcode == ORcc && rd == G0 && rd == operand2) {
+            StringBuffer buf = new StringBuffer();
+            buf.append("tst");
+            buf.append(spaces);
+            buf.append(getOperand2String());
+            return buf.toString();
+        } else if (opcode == XNOR && G0 == operand2) {
+            StringBuffer buf = new StringBuffer();
+            buf.append("not");
+            buf.append(spaces);
+            buf.append(rs1.toString());
+            if (rs1 != rd) {
+                buf.append(comma);
+                buf.append(rd.toString());
+            }
+            return buf.toString();
+        } else if (opcode == ANDcc && rd == G0) {
+            StringBuffer buf = new StringBuffer();
+            buf.append("btst");
+            buf.append(spaces);
+            buf.append(getOperand2String());
+            buf.append(comma);
+            buf.append(rd.toString());
+            return buf.toString();
+        } else if (rs1 == rd) {
+            StringBuffer buf = new StringBuffer();
+            switch (opcode) {
+                case OR:
+                    buf.append("bset");
+                    break;
+                case ANDN:
+                    buf.append("bclr");
+                    break;
+                case XOR:
+                    buf.append("btog");
+                    break;
+                default:
+                    return super.getDescription();
+            }
+            buf.append(spaces);
+            buf.append(getOperand2String());
+            buf.append(comma);
+            buf.append(rd.toString());
+            return buf.toString();
+        } else {
+            return super.getDescription();
+        }
+    }
+
+    public Operand getLogicDestination() {
+        return getDestinationRegister();
+    }
+
+    public Operand[] getLogicSources() {
+        return (new Operand[] { rs1, operand2 });
+    }
+
+    public int getOperation() {
+        return operation;
+    }
+
+    public boolean isLogic() {
+        return true;
+    }
+}