1 /*
2 * Copyright (c) 2015, 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
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7 * published by the Free Software Foundation.
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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
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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
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22 */
23
24 /**
25 * @test
26 * @bug 8074981
27 * @summary Add C2 x86 Superword support for scalar product reduction optimizations : int test
28 * @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64"
29 *
30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
31 * -XX:CompileThresholdScaling=0.1
32 * -XX:+SuperWordReductions
33 * -XX:LoopMaxUnroll=2
34 * compiler.loopopts.superword.ProdRed_Int
35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
36 * -XX:CompileThresholdScaling=0.1
37 * -XX:-SuperWordReductions
38 * -XX:LoopMaxUnroll=2
39 * compiler.loopopts.superword.ProdRed_Int
40 *
41 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
42 * -XX:CompileThresholdScaling=0.1
43 * -XX:+SuperWordReductions
44 * -XX:LoopMaxUnroll=4
45 * compiler.loopopts.superword.ProdRed_Int
46 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
47 * -XX:CompileThresholdScaling=0.1
48 * -XX:-SuperWordReductions
49 * -XX:LoopMaxUnroll=4
50 * compiler.loopopts.superword.ProdRed_Int
51 *
52 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
53 * -XX:CompileThresholdScaling=0.1
54 * -XX:+SuperWordReductions
55 * -XX:LoopMaxUnroll=8
56 * compiler.loopopts.superword.ProdRed_Int
57 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
58 * -XX:CompileThresholdScaling=0.1
59 * -XX:-SuperWordReductions
60 * -XX:LoopMaxUnroll=8
61 * compiler.loopopts.superword.ProdRed_Int
62 *
63 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
64 * -XX:CompileThresholdScaling=0.1
65 * -XX:+SuperWordReductions
66 * -XX:LoopMaxUnroll=16
67 * compiler.loopopts.superword.ProdRed_Int
68 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
69 * -XX:CompileThresholdScaling=0.1
70 * -XX:-SuperWordReductions
71 * -XX:LoopMaxUnroll=16
72 * compiler.loopopts.superword.ProdRed_Int
73 */
74
75 package compiler.loopopts.superword;
76
77 public class ProdRed_Int {
78 public static void main(String[] args) throws Exception {
79 int[] a = new int[256 * 1024];
80 int[] b = new int[256 * 1024];
81 prodReductionInit(a, b);
82 int valid = 419430401;
83 int total = 1;
84 for (int j = 0; j < 2000; j++) {
85 total = prodReductionImplement(a, b, total);
86 }
87 if (total == valid) {
88 System.out.println("Success");
89 } else {
90 System.out.println("Invalid sum of elements variable in total: " + total);
91 System.out.println("Expected value = " + valid);
92 throw new Exception("Failed");
93 }
94 }
95
96 public static void prodReductionInit(int[] a, int[] b) {
97 for (int i = 0; i < a.length; i++) {
98 a[i] = i + 2;
99 b[i] = i + 1;
100 }
101 }
102
103 public static int prodReductionImplement(int[] a, int[] b, int total) {
104 for (int i = 0; i < a.length; i++) {
105 total *= a[i] + b[i];
106 }
107 return total;
108 }
109
110 }