1/* 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package org.graalvm.compiler.jtt.optimize; 24 25import java.util.Random; 26 27import org.junit.Test; 28 29import org.graalvm.compiler.jtt.JTTTest; 30 31/* 32 */ 33@SuppressWarnings("unused") 34public class Conditional01 extends JTTTest { 35 36 private static class TestClass { 37 private int nextPC; 38 private int pc; 39 private boolean aC; 40 private boolean aH; 41 private boolean aN; 42 private boolean aZ; 43 private boolean aV; 44 private boolean aS; 45 private int cyclesConsumed; 46 private int[] sram = new int[RAM_SIZE]; 47 48 public void visit(CPC i) { 49 nextPC = pc + 2; 50 int tmp0 = getRegisterByte(i.r1); 51 int tmp1 = getRegisterByte(i.r2); 52 int tmp2 = bit(aC); 53 int tmp3 = tmp0 - tmp1 - tmp2; 54 boolean tmp4 = ((tmp0 & 128) != 0); 55 boolean tmp5 = ((tmp1 & 128) != 0); 56 boolean tmp6 = ((tmp3 & 128) != 0); 57 boolean tmp7 = ((tmp0 & 8) != 0); 58 boolean tmp8 = ((tmp1 & 8) != 0); 59 boolean tmp9 = ((tmp3 & 8) != 0); 60 aH = !tmp7 && tmp8 || tmp8 && tmp9 || tmp9 && !tmp7; 61 aC = !tmp4 && tmp5 || tmp5 && tmp6 || tmp6 && !tmp4; 62 aN = tmp6; 63 aZ = low(tmp3) == 0 && aZ; 64 aV = tmp4 && !tmp5 && !tmp6 || !tmp4 && tmp5 && tmp6; 65 aS = (aN != aV); 66 cyclesConsumed++; 67 } 68 69 public int getRegisterByte(Register r1) { 70 if ((r1.val % 10) == 0) { 71 return sram[r1.num]; 72 } 73 return r1.val; 74 } 75 76 public int low(int tmp3) { 77 return tmp3 & 0x01; 78 } 79 80 public int bit(boolean c2) { 81 return c2 ? 1 : 0; 82 } 83 } 84 85 private static final int RAM_SIZE = 0x100; 86 private static final int init = new Random().nextInt(); 87 private static final int init1 = new Register().val; 88 private static final Register init2 = new CPC().r1; 89 90 public static int test(int arg) { 91 TestClass c = new TestClass(); 92 Random rnd = new Random(); 93 for (int i = 0; i < arg; i++) { 94 CPC i2 = new CPC(); 95 i2.r1 = new Register(); 96 i2.r1.val = i; 97 i2.r1.num = i + RAM_SIZE - 20; 98 i2.r2 = new Register(); 99 i2.r2.val = rnd.nextInt(); 100 i2.r2.num = rnd.nextInt(RAM_SIZE); 101 try { 102 c.visit(i2); 103 } catch (RuntimeException re) { 104 105 } 106 } 107 return c.cyclesConsumed; 108 } 109 110 private static class Register { 111 112 int val; 113 int num; 114 } 115 116 private static class CPC { 117 118 public Register r1; 119 public Register r2; 120 121 } 122 123 @Test 124 public void run0() throws Throwable { 125 runTest("test", 0); 126 } 127 128 @Test 129 public void run1() throws Throwable { 130 runTest("test", 10); 131 } 132 133 @Test 134 public void run2() throws Throwable { 135 runTest("test", 20); 136 } 137 138 @Test 139 public void run3() throws Throwable { 140 runTest("test", 40); 141 } 142 143} 144