BC_irem.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2007, 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.bytecode;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 */
31public class BC_irem extends JTTTest {
32
33    public static int test(int a, int b) {
34        return a % b;
35    }
36
37    // Left as constant
38    public static int test2(int b) {
39        return 13 % b;
40    }
41
42    // Right as constant
43    public static int test3(int a) {
44        return a % 13;
45    }
46
47    // Tests if the zero extension works fine with 64 bit registers behind
48    public static long test4(int a, int b) {
49        int ra = Math.abs(a % b);
50        int rb = Math.abs(a) % b;
51        return ra << 32 | rb;
52    }
53
54    // Test if sign extension works on architectures with 64 bit registers only
55    public static int test5(int a, int b) {
56        return (a + 0xFF) % (b + 0xFF);
57    }
58
59    // Test if sign extension works on architectures with 64 bit registers only
60    public static int test6(int a, int b) {
61        return (a - 0xFF) % (b - 0xFF);
62    }
63
64    @Test
65    public void run0() throws Throwable {
66        runTest("test", 1, 2);
67    }
68
69    @Test
70    public void run1() throws Throwable {
71        runTest("test", 2, -1);
72    }
73
74    @Test
75    public void run2() throws Throwable {
76        runTest("test", 256, 4);
77    }
78
79    @Test
80    public void run3() throws Throwable {
81        runTest("test", 135, 7);
82    }
83
84    @Test
85    public void run20() throws Throwable {
86        runTest("test2", 2);
87    }
88
89    @Test
90    public void run21() throws Throwable {
91        runTest("test2", 20000000);
92    }
93
94    @Test
95    public void run22() throws Throwable {
96        runTest("test2", -20000000);
97    }
98
99    @Test
100    public void run30() throws Throwable {
101        runTest("test3", 2);
102    }
103
104    @Test
105    public void run31() throws Throwable {
106        runTest("test3", 200000000);
107    }
108
109    @Test
110    public void run32() throws Throwable {
111        runTest("test3", -200000000);
112    }
113
114    @Test
115    public void run41() throws Throwable {
116        runTest("test4", -100000, 3000000);
117    }
118
119    @Test
120    public void run42() throws Throwable {
121        runTest("test4", -100000, 30);
122    }
123
124    @Test
125    public void run43() throws Throwable {
126        runTest("test4", -1000000, -30);
127    }
128
129    @Test
130    public void run51() {
131        runTest("test5", Integer.MAX_VALUE, Integer.MAX_VALUE);
132    }
133
134    @Test
135    public void run61() {
136        runTest("test6", Integer.MIN_VALUE, Integer.MIN_VALUE);
137    }
138}
139