| /* |
| * 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.*; |
| import sun.jvm.hotspot.utilities.Assert; |
| |
| public class SPARCWriteInstruction extends SPARCSpecialRegisterInstruction { |
| final private int specialReg; |
| final private int asrRegNum; |
| final private SPARCRegister rs1; |
| final private ImmediateOrRegister operand2; |
| |
| public SPARCWriteInstruction(int specialReg, int asrRegNum, SPARCRegister rs1, ImmediateOrRegister operand2) { |
| super("wr"); |
| this.specialReg = specialReg; |
| this.asrRegNum = asrRegNum; |
| this.rs1 = rs1; |
| this.operand2 = operand2; |
| } |
| |
| public int getSpecialRegister() { |
| return specialReg; |
| } |
| |
| public int getAncillaryRegister() { |
| if (Assert.ASSERTS_ENABLED) |
| Assert.that(specialReg == ASR, "not an ancillary register"); |
| return asrRegNum; |
| } |
| |
| protected String getDescription() { |
| StringBuffer buf = new StringBuffer(); |
| buf.append(getName()); |
| buf.append(spaces); |
| buf.append(rs1.toString()); |
| buf.append(comma); |
| if (operand2.isRegister()) { |
| buf.append(operand2.toString()); |
| } else { |
| Number number = ((Immediate)operand2).getNumber(); |
| buf.append("0x"); |
| buf.append(Integer.toHexString(number.intValue())); |
| } |
| buf.append(comma); |
| |
| if(specialReg == ASR) |
| buf.append("%asr" + asrRegNum); |
| else |
| buf.append(getSpecialRegisterName(specialReg)); |
| return buf.toString(); |
| } |
| } |