--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9WriteDecoder.java Thu Sep 27 11:24:19 2012 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,61 +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.*;
-
-class V9WriteDecoder extends InstructionDecoder
- implements V9InstructionDecoder {
- Instruction decode(int instruction, SPARCInstructionFactory factory) {
- SPARCV9InstructionFactory v9factory = (SPARCV9InstructionFactory) factory;
- Instruction instr = null;
- int specialRegNum = getDestinationRegister(instruction);
-
- // rd values 1, 4,5 7-14 are reserved - see page 244, A.63 Write State Register.
- if (specialRegNum == 1 || specialRegNum == 4 || specialRegNum == 5
- || (specialRegNum > 6 && specialRegNum < 15)) {
- instr = v9factory.newIllegalInstruction(instruction);
- } else {
- int rs1Num = getSourceRegister1(instruction);
- if (specialRegNum == 15) {
- if (isIBitSet(instruction) && rs1Num == 0) {
- instr = v9factory.newV9SirInstruction();
- } else {
- instr = v9factory.newIllegalInstruction(instruction);
- }
- } else {
- int asrRegNum = -1;
- if (specialRegNum > 15) {
- asrRegNum = specialRegNum;
- specialRegNum = SPARCV9SpecialRegisters.ASR;
- }
- SPARCRegister rs1 = SPARCRegisters.getRegister(rs1Num);
- instr = v9factory.newV9WriteInstruction(specialRegNum, asrRegNum, rs1, getOperand2(instruction));
- }
- }
-
- return instr;
- }
-}