TestAndnL.java revision 6865:d5d005f1d973 
1/*
2 * Copyright (c) 2014, 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/**
26 * @test
27 * @bug 8031321
28 * @summary Verify that results of computations are the same w/
29 *          and w/o usage of ANDN instruction
30 * @library /testlibrary /testlibrary/whitebox
31 * @build TestAndnL BMITestRunner Expr
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
35 *                   -XX:+WhiteBoxAPI TestAndnL
36 */
37
38import sun.hotspot.cpuinfo.CPUInfo;
39
40public class TestAndnL {
41
42    public static void main(String args[]) throws Throwable {
43        if (!CPUInfo.hasFeature("bmi1")) {
44            System.out.println("CPU does not support bmi1 feature. " +
45                               "Test skipped.");
46            return;
47        }
48
49        BMITestRunner.runTests(AndnLExpr.class, args,
50                               "-XX:+UseBMI1Instructions");
51        BMITestRunner.runTests(AndnLCommutativeExpr.class, args,
52                               "-XX:+UseBMI1Instructions");
53    }
54
55    public static class AndnLExpr extends Expr.BMIBinaryLongExpr {
56
57        public long longExpr(long src1, long src2) {
58            return ~src1 & src2;
59        }
60
61        public long longExpr(long src1, Expr.MemL src2) {
62            return ~src1 & src2.value;
63        }
64
65        public long longExpr(Expr.MemL src1, long src2) {
66            return ~src1.value & src2;
67        }
68
69        public long longExpr(Expr.MemL src1, Expr.MemL src2) {
70            return ~src1.value & src2.value;
71        }
72
73
74    }
75
76    public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr {
77
78        public long longExpr(long src1, long src2) {
79            return src1 & ~src2;
80        }
81
82        public long longExpr(long src1, Expr.MemL src2) {
83            return src1 & ~src2.value;
84        }
85
86        public long longExpr(Expr.MemL src1, long src2) {
87            return src1.value & ~src2;
88        }
89
90        public long longExpr(Expr.MemL src1, Expr.MemL src2) {
91            return src1.value & ~src2.value;
92        }
93
94    }
95
96}
97