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/*
* Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
package sun.jvm.hotspot.asm.x86;
import sun.jvm.hotspot.asm.*;
public class X86ShiftInstruction extends X86Instruction implements ShiftInstruction {
final private int operation;
final private Operand operand1;
final private ImmediateOrRegister operand2;
public X86ShiftInstruction(String name, int operation, Operand operand1, ImmediateOrRegister operand2, int size, int prefixes) {
super(name, size, prefixes);
this.operand1 = operand1;
this.operand2 = operand2;
this.operation = operation;
}
public String asString(long currentPc, SymbolFinder symFinder) {
StringBuffer buf = new StringBuffer();
buf.append(getPrefixString());
buf.append(getName());
buf.append(spaces);
buf.append(getOperandAsString(operand1));
if(operand2 != null) {
buf.append(comma);
if ((operand2 instanceof Register)) {
buf.append(operand2.toString());
}
else {
Number number = ((Immediate)operand2).getNumber();
buf.append("0x");
buf.append(Integer.toHexString(number.intValue()));
}
}
return buf.toString();
}
public int getOperation() {
return operation;
}
public Operand getShiftDestination() {
return operand1;
}
public Operand getShiftLength() {
return operand2;
}
public Operand getShiftSource() {
return operand1;
}
public boolean isShift() {
return true;
}
protected String getOperand2String() {
return operand2.toString();
}
}
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