RegisterPool.java

/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; If not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.vm.compiler.ir;

/**
 * @author Madhu Siddalingaiah
 */
public abstract class RegisterPool<T> {

    /**
     * @param type - one of the types found in Operand
     * @return an available register or null if none available
     * @see org.jnode.vm.compiler.ir.Operand
     */
    public abstract T request(int type);

    /**
     * @param register - register to put back into pool
     */
    public abstract void release(T register);
}