--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/InstructionDecoder.java	Thu Sep 27 11:24:19 2012 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-/*
- * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.asm.sparc;
-
-import sun.jvm.hotspot.asm.*;
-
-// basic instruction decoder class
-abstract class InstructionDecoder implements /* imports */ SPARCOpcodes , RTLDataTypes, RTLOperations {
-    // some general utility functions - for format 2, 3 & 3A instructions
-
-    static int extractSignedIntFromNBits(int value, int num_bits) {
-        return (value << (32 - num_bits)) >> (32 - num_bits);
-    }
-
-    // "rs1"
-    static int getSourceRegister1(int instruction) {
-        return (instruction & RS1_MASK) >>> RS1_START_BIT;
-    }
-
-    // "rs2"
-    static int getSourceRegister2(int instruction) {
-        return (instruction & RS2_MASK);
-    }
-
-    // "rd"
-    static int getDestinationRegister(int instruction) {
-        return (instruction & RD_MASK) >>> RD_START_BIT;
-    }
-
-    static int getConditionCode(int instruction) {
-        return (instruction & CONDITION_CODE_MASK) >>> CONDITION_CODE_START_BIT;
-    }
-
-    // "i" bit - used to indicate whether second component in an indirect
-    // address is immediate value or a register. (format 3 & 3A).
-
-    static boolean isIBitSet(int instruction) {
-        return (instruction & I_MASK) != 0;
-    }
-
-    static ImmediateOrRegister getOperand2(int instruction) {
-        boolean iBit = isIBitSet(instruction);
-        ImmediateOrRegister operand2 = null;
-        if (iBit) {
-           operand2 = new Immediate(new Short((short)extractSignedIntFromNBits(instruction, 13)));
-        } else {
-           operand2 = SPARCRegisters.getRegister(getSourceRegister2(instruction));
-        }
-        return operand2;
-    }
-
-    // "opf" - floating point operation code.
-    static int getOpf(int instruction) {
-        return (instruction & OPF_MASK) >>> OPF_START_BIT;
-    }
-
-    abstract Instruction decode(int instruction, SPARCInstructionFactory factory);
-}