1 /* 2 * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, 20 * CA 94065 USA or visit www.oracle.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 SPARCSpecialLoadInstruction 31 extends SPARCSpecialRegisterInstruction 32 implements /* imports */ SPARCSpecialRegisters { 33 final private int specialReg; 34 final private int cregNum; 35 final private SPARCRegisterIndirectAddress addr; 36 37 public SPARCSpecialLoadInstruction(String name, int specialReg, int cregNum, 38 SPARCRegisterIndirectAddress addr) { 39 super(name); 40 this.specialReg = specialReg; 41 this.cregNum = cregNum; 42 this.addr = addr; 43 } 44 45 public SPARCSpecialLoadInstruction(String name, int specialReg, SPARCRegisterIndirectAddress addr) { 46 this(name, specialReg, -1, addr); 47 } 48 49 public int getSpecialRegister() { 50 return specialReg; 51 } 52 53 public int getCoprocessorRegister() { 54 if (Assert.ASSERTS_ENABLED) 55 Assert.that(specialReg == CREG, "not a coprocesssor register"); 56 return cregNum; 57 } 58 59 public Address getSource() { 60 return addr; 61 } 62 63 protected String getDescription() { 64 StringBuffer buf = new StringBuffer(); 65 buf.append(getName()); 66 buf.append(spaces); 67 buf.append(addr); 68 buf.append(comma); 69 if (specialReg == CREG) { 70 buf.append("creg" + cregNum); 71 } else { 72 buf.append(getSpecialRegisterName(specialReg)); 73 } 74 return buf.toString(); 75 } 76 }