view graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/optimize/Conditional01.java @ 7530:5e3d1a68664e

applied mx eclipseformat to all Java files
author Doug Simon <doug.simon@oracle.com>
date Wed, 23 Jan 2013 16:34:57 +0100
parents 390448a6b535
children c38d2870439e
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/*
 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.graal.jtt.optimize;

import java.util.*;

import com.oracle.graal.jtt.*;
import org.junit.*;

/*
 */
@SuppressWarnings("unused")
public class Conditional01 extends JTTTest {

    private static final int RAM_SIZE = 0x100;
    private static final int init = new Random().nextInt();
    private static final int init1 = new Register().val;
    private static final Register init2 = new CPC().r1;

    public static int test(int arg) {
        Conditional01 c = new Conditional01();
        Random rnd = new Random();
        for (int i = 0; i < arg; i++) {
            CPC i2 = new CPC();
            i2.r1 = new Register();
            i2.r1.val = i;
            i2.r1.num = i + RAM_SIZE - 20;
            i2.r2 = new Register();
            i2.r2.val = rnd.nextInt();
            i2.r2.num = rnd.nextInt(RAM_SIZE);
            try {
                c.visit(i2);
            } catch (RuntimeException re) {

            }
        }
        return c.cyclesConsumed;
    }

    private static class Register {

        int val;
        int num;
    }

    private static class CPC {

        public Register r1;
        public Register r2;

    }

    private int nextPC;
    private int pc;
    private boolean aC;
    private boolean aH;
    private boolean aN;
    private boolean aZ;
    private boolean aV;
    private boolean aS;
    private int cyclesConsumed;
    private int[] sram = new int[RAM_SIZE];

    public void visit(CPC i) {
        nextPC = pc + 2;
        int tmp0 = getRegisterByte(i.r1);
        int tmp1 = getRegisterByte(i.r2);
        int tmp2 = bit(aC);
        int tmp3 = tmp0 - tmp1 - tmp2;
        boolean tmp4 = ((tmp0 & 128) != 0);
        boolean tmp5 = ((tmp1 & 128) != 0);
        boolean tmp6 = ((tmp3 & 128) != 0);
        boolean tmp7 = ((tmp0 & 8) != 0);
        boolean tmp8 = ((tmp1 & 8) != 0);
        boolean tmp9 = ((tmp3 & 8) != 0);
        aH = !tmp7 && tmp8 || tmp8 && tmp9 || tmp9 && !tmp7;
        aC = !tmp4 && tmp5 || tmp5 && tmp6 || tmp6 && !tmp4;
        aN = tmp6;
        aZ = low(tmp3) == 0 && aZ;
        aV = tmp4 && !tmp5 && !tmp6 || !tmp4 && tmp5 && tmp6;
        aS = (aN != aV);
        cyclesConsumed++;
    }

    public int getRegisterByte(Register r1) {
        if ((r1.val % 10) == 0) {
            return sram[r1.num];
        }
        return r1.val;
    }

    public int low(int tmp3) {
        return tmp3 & 0x01;
    }

    public int bit(boolean c2) {
        return c2 ? 1 : 0;
    }

    @Test
    public void run0() throws Throwable {
        runTest("test", 0);
    }

    @Test
    public void run1() throws Throwable {
        runTest("test", 10);
    }

    @Test
    public void run2() throws Throwable {
        runTest("test", 20);
    }

    @Test
    public void run3() throws Throwable {
        runTest("test", 40);
    }

}