--- old/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/RegisterDecoder.java	Thu Sep 17 16:09:55 2009
+++ /dev/null	Thu Sep 17 16:09:55 2009
@@ -1,85 +0,0 @@
-/*
- * 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.RTLDataTypes;
-
-class RegisterDecoder implements /* imports */ RTLDataTypes {
-    // refer to page 40 - section 5.1.4.1 - Floating-point Register Number Encoding
-    private static SPARCFloatRegister decodeDouble(int num) {
-        // 6 bit double precision registers are encoded in 5 bits as
-        // b<4> b<3> b<2> b<1> b<5>.
-
-        boolean lsb = (0x1 & num) != 0;
-        if (lsb)
-            num |= 0x20;  // 10000b
-
-        if ((num % 2) != 0)
-            return null;
-
-        return SPARCFloatRegisters.getRegister(num);
-    }
-
-    private static SPARCFloatRegister decodeQuad(int num) {
-        // 6 bit quad precision registers are encoded in 5 bits as
-        // b<4> b<3> b<2> 0 b<5>
-
-        boolean lsb = (0x1 & num) != 0;
-        if (lsb)
-            num |= 0x20; // 10000b
-
-        if ((num % 4) != 0)
-            return null;
-
-        return SPARCFloatRegisters.getRegister(num);
-    }
-
-    static SPARCRegister decode(int dataType, int regNum) {
-        regNum &= 0x1F; // mask out all but lsb 5 bits
-        SPARCRegister result = null;
-        switch (dataType) {
-            case RTLDT_FL_SINGLE:
-                result = SPARCFloatRegisters.getRegister(regNum);
-                break;
-
-            case RTLDT_FL_DOUBLE:
-                result = decodeDouble(regNum);
-                break;
-
-            case RTLDT_FL_QUAD:
-                result = decodeQuad(regNum);
-                break;
-
-            case RTLDT_UNKNOWN:
-                result = null;
-                break;
-
-            default: // some integer register
-                result = SPARCRegisters.getRegister(regNum);
-                break;
-        }
-        return result;
-    }
-}