1 /*
2 * Copyright (c) 2018, 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 4093292
27 * @summary Test for correct code generation by the JIT
28 */
29 public class ShiftTest {
30 static final int w = 32;
31
32 private static void doTest(long ct) throws Exception {
33 int S22 = 0xc46cf7c2;
34 int S23 = 0xcfda9162;
35 int S24 = 0xd029aa4c;
36 int S25 = 0x17cf1801;
37 int A = (int)(ct & 0xffffffffL);
38 int B = (int)(ct >>> 32);
39 int x, y;
40 x = B - S25;
41 y = A & (w-1);
42 B = ((x >>> y) | (x << (w-y))) ^ A;
43 x = A - S24;
44 y = B & (w-1);
45 A = ((x >>> y) | (x << (w-y))) ^ B;
46 x = B - S23;
47 y = A & (w-1);
48 B = ((x >>> y) | (x << (w-y))) ^ A;
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1 /*
2 * Copyright (c) 2018, 2019, 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 4093292
27 * @summary Test for correct code generation by the JIT
28 * @run main compiler.codegen.ShiftTest
29 */
30
31 package compiler.codegen;
32
33 public class ShiftTest {
34 static final int w = 32;
35
36 private static void doTest(long ct) throws Exception {
37 int S22 = 0xc46cf7c2;
38 int S23 = 0xcfda9162;
39 int S24 = 0xd029aa4c;
40 int S25 = 0x17cf1801;
41 int A = (int)(ct & 0xffffffffL);
42 int B = (int)(ct >>> 32);
43 int x, y;
44 x = B - S25;
45 y = A & (w-1);
46 B = ((x >>> y) | (x << (w-y))) ^ A;
47 x = A - S24;
48 y = B & (w-1);
49 A = ((x >>> y) | (x << (w-y))) ^ B;
50 x = B - S23;
51 y = A & (w-1);
52 B = ((x >>> y) | (x << (w-y))) ^ A;
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