--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCStoreInstruction.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,97 @@
+/*
+ * 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 SPARCStoreInstruction extends SPARCMemoryInstruction
+    implements StoreInstruction {
+    final protected SPARCRegister register2; // used by double word store instructions
+    final protected Register[] storeSources;
+
+    public SPARCStoreInstruction(String name, int opcode, SPARCRegisterIndirectAddress address, SPARCRegister register, int dataType) {
+        super(name, opcode, address, register, dataType);
+        if (opcode == STD || opcode == STDA) {
+            storeSources = new Register[2];
+            storeSources[0] = register;
+            int nextRegNum = (register.getNumber() + 1) % SPARCRegisters.NUM_REGISTERS;
+            register2 = SPARCRegisters.getRegister(nextRegNum);
+            storeSources[1] = register2;
+        } else {
+            storeSources = new Register[1];
+            storeSources[0] = register;
+            register2 = null;
+        }
+    }
+
+    private String defaultInitDescription(StringBuffer buf) {
+        buf.append(getName());
+        buf.append(spaces);
+        buf.append(register.toString());
+        buf.append(comma);
+        buf.append(address.toString());
+        return buf.toString();
+    }
+
+    protected String getDescription() {
+        StringBuffer buf = new StringBuffer();
+        if (register == SPARCRegisters.G0) {
+            switch (opcode) {
+                case ST:
+                    buf.append("clr");
+                    break;
+                case STH:
+                    buf.append("clrh");
+                    break;
+                case STB:
+                    buf.append("clrb");
+                    break;
+                default:
+                    return defaultInitDescription(buf);
+            }
+            buf.append(spaces);
+            buf.append(address.toString());
+            return buf.toString();
+        } else {
+            return defaultInitDescription(buf);
+        }
+    }
+
+    public int getDataType() {
+        return dataType;
+    }
+
+    public Address getStoreDestination() {
+        return address;
+    }
+
+    public Register[] getStoreSources() {
+        return storeSources;
+    }
+
+    public boolean isStore() {
+        return true;
+    }
+}