/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) Martin Schoeberl <martin@jopdesign.com>
Thomas B. Preusser <thomas.preusser@tu-dresden.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package jembench.micro;
import jembench.SerialBenchmark;
public class InvokeVirtual extends SerialBenchmark {
private volatile int value;
private InvokeVirtual impl;
public InvokeVirtual() {
value = 127;
impl = this;
}
public String toString() {
return "invokevirtual"; //"aload invokevirtual ireturn";
}
public int getValue() {
return value;
}
/*
14: iload_2
15: aload_3
16: invokevirtual #5; //Method getValue:()I
0: aload_0
1: getfield #4; //Field value:I
4: ireturn
19: iadd
20: istore_2
*/
public int perform(int cnt) {
int a = 0;
final InvokeVirtual impl = this.impl;
while(--cnt >= 0) a += impl.getValue();
return a;
}
/*
14: iload_2
15: aload_0
16: getfield #4; //Field value:I
19: iadd
20: istore_2
*/
public int overhead(int cnt) {
int a = 0;
final InvokeVirtual impl = this.impl;
while(--cnt >= 0) a += value;
return a;
}
}