Mercurial > hg > truffle
comparison test/compiler/intrinsics/mathexact/MulExactIRepeatTest.java @ 12972:59e8ad757e19
8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti
author | rbackman |
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date | Fri, 18 Oct 2013 10:41:56 +0200 |
parents | |
children | 9949533a8623 |
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12971:3a04e444da6d | 12972:59e8ad757e19 |
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1 /* | |
2 * Copyright (c) 2013, 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 */ | |
23 | |
24 /* | |
25 * @test | |
26 * @bug 8026844 | |
27 * @summary Test repeating multiplyExact | |
28 * @compile MulExactIRepeatTest.java Verify.java | |
29 * @run main MulExactIRepeatTest | |
30 * | |
31 */ | |
32 | |
33 public class MulExactIRepeatTest { | |
34 public static void main(String[] args) { | |
35 runTest(new Verify.MulExactI()); | |
36 } | |
37 | |
38 public static int nonExact(int x, int y, Verify.BinaryMethod method) { | |
39 int result = method.unchecked(x, y); | |
40 result += method.unchecked(x, y); | |
41 result += method.unchecked(x, y); | |
42 result += method.unchecked(x, y); | |
43 return result; | |
44 } | |
45 | |
46 public static void runTest(Verify.BinaryMethod method) { | |
47 java.util.Random rnd = new java.util.Random(); | |
48 for (int i = 0; i < 50000; ++i) { | |
49 int x = Integer.MAX_VALUE - 10; | |
50 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); | |
51 | |
52 int c = rnd.nextInt() / 10; | |
53 int d = rnd.nextInt(9); | |
54 | |
55 int a = catchingExact(x, y, method); | |
56 | |
57 if (a != 36) { | |
58 throw new RuntimeException("a != 36 : " + a); | |
59 } | |
60 | |
61 int b = nonExact(c, d, method); | |
62 int n = exact(c, d, method); | |
63 | |
64 | |
65 if (n != b) { | |
66 throw new RuntimeException("n != b : " + n + " != " + b); | |
67 } | |
68 } | |
69 } | |
70 | |
71 public static int exact(int x, int y, Verify.BinaryMethod method) { | |
72 int result = 0; | |
73 result += method.checkMethod(x, y); | |
74 result += method.checkMethod(x, y); | |
75 result += method.checkMethod(x, y); | |
76 result += method.checkMethod(x, y); | |
77 return result; | |
78 } | |
79 | |
80 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { | |
81 int result = 0; | |
82 try { | |
83 result += 5; | |
84 result = method.checkMethod(x, y); | |
85 } catch (ArithmeticException e) { | |
86 result += 1; | |
87 } | |
88 try { | |
89 result += 6; | |
90 | |
91 result += method.checkMethod(x, y); | |
92 } catch (ArithmeticException e) { | |
93 result += 2; | |
94 } | |
95 try { | |
96 result += 7; | |
97 result += method.checkMethod(x, y); | |
98 } catch (ArithmeticException e) { | |
99 result += 3; | |
100 } | |
101 try { | |
102 result += 8; | |
103 result += method.checkMethod(x, y); | |
104 } catch (ArithmeticException e) { | |
105 result += 4; | |
106 } | |
107 return result; | |
108 } | |
109 } |