/* This file is part of JOP, the Java Optimized Processor see <http://www.jopdesign.com/> Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com) 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 jbe.micro; import jbe.BenchMark; import jbe.Execute; public class InvokeVirtual extends BenchMark { static InvokeVirtual iv; static int val; /* 0: iload_1 1: iload_2 2: iadd 3: ireturn */ public int add(int a, int b) { return a+b; } /* 30: iload_2 31: getstatic #2; //Field iv:Ljbe/micro/InvokeVirtual; 34: iload_3 35: iload_1 36: invokevirtual #6; //Method add:(II)I 39: iadd 40: istore_2 */ public int test(int cnt) { int a = 0; int i; if (iv==null) { iv = new InvokeVirtualExt(); val = 123; } for (i=0; i<cnt; ++i) { a += iv.add(i, cnt); } return a; } /* 30: iload_2 31: iload_3 32: getstatic #5; //Field val:I 35: iadd 36: iadd 37: istore_2 */ public int overhead(int cnt) { int a = 0; int i; if (iv==null) { iv = new InvokeVirtual(); val = 123; } for (i=0; i<cnt; ++i) { a += i+val; } return a; } public String toString() { return "invoke"; } public static void main(String[] args) { BenchMark bm = new InvokeVirtual(); Execute.perform(bm); } }