1 /* 2 * Copyright (c) 2003, 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.x86; 26 27 import sun.jvm.hotspot.asm.*; 28 29 public class X86MoveInstruction extends X86Instruction 30 implements MoveInstruction, RTLOperations { 31 private ImmediateOrRegister source; 32 private X86Register destination; 33 34 public X86MoveInstruction(String name, X86Register rd, ImmediateOrRegister oSrc, int size, int prefixes) { 35 super(name, size, prefixes); 36 this.source = oSrc; 37 this.destination = rd; 38 } 39 public String asString(long currentPc, SymbolFinder symFinder) { 40 StringBuffer buf = new StringBuffer(); 41 buf.append(getPrefixString()); 42 buf.append(getName()); 43 buf.append(spaces); 44 buf.append(destination.toString()); 45 buf.append(comma); 46 buf.append(getSourceString()); 47 return buf.toString(); 48 } 49 50 protected String getSourceString() { 51 StringBuffer buf = new StringBuffer(); 52 if ((source instanceof Register)) { 53 buf.append(source.toString()); 54 } else { 55 Number number = ((Immediate)source).getNumber(); 56 buf.append("0x"); 57 buf.append(Integer.toHexString(number.intValue())); 58 } 59 return buf.toString(); 60 } 61 62 public ImmediateOrRegister getMoveSource() { 63 return source; 64 } 65 66 public Register getMoveDestination() { 67 return destination; 68 } 69 70 // for condition moves 71 public boolean isConditional() { 72 return false; 73 } 74 75 public boolean isMove() { 76 return true; 77 } 78 }