1 /* 2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.asm.sparc; 26 27 import sun.jvm.hotspot.asm.*; 28 import sun.jvm.hotspot.utilities.Assert; 29 30 public class SPARCV9WriteInstruction extends SPARCV9SpecialRegisterInstruction { 31 final private int specialReg; 32 final private int asrRegNum; 33 final private SPARCRegister rs1; 34 final private ImmediateOrRegister operand2; 35 36 public SPARCV9WriteInstruction(int specialReg, int asrRegNum, SPARCRegister rs1, ImmediateOrRegister operand2) { 37 super("wr"); 38 this.specialReg = specialReg; 39 this.asrRegNum = asrRegNum; 40 this.rs1 = rs1; 41 this.operand2 = operand2; 42 } 43 44 public int getSpecialRegister() { 45 return specialReg; 46 } 47 48 public int getAncillaryRegister() { 49 if (Assert.ASSERTS_ENABLED) 50 Assert.that(specialReg == ASR, "not an ancillary register"); 51 return asrRegNum; 52 } 53 54 protected String getDescription() { 55 StringBuffer buf = new StringBuffer(); 56 buf.append(getName()); 57 buf.append(spaces); 58 buf.append(rs1.toString()); 59 buf.append(comma); 60 if (operand2.isRegister()) { 61 buf.append(operand2.toString()); 62 } else { 63 Number number = ((Immediate)operand2).getNumber(); 64 buf.append("0x"); 65 buf.append(Integer.toHexString(number.intValue())); 66 } 67 buf.append(comma); 68 69 if(specialReg == ASR) 70 buf.append("%asr" + asrRegNum); 71 else 72 buf.append(getSpecialRegisterName(specialReg)); 73 return buf.toString(); 74 } 75 }