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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4093292
* @summary Test for correct code generation by the JIT
*/
public class ShiftTest {
static final int w = 32;
private static void doTest(long ct) throws Exception {
int S22 = 0xc46cf7c2;
int S23 = 0xcfda9162;
int S24 = 0xd029aa4c;
int S25 = 0x17cf1801;
int A = (int)(ct & 0xffffffffL);
int B = (int)(ct >>> 32);
int x, y;
x = B - S25;
y = A & (w-1);
B = ((x >>> y) | (x << (w-y))) ^ A;
x = A - S24;
y = B & (w-1);
A = ((x >>> y) | (x << (w-y))) ^ B;
x = B - S23;
y = A & (w-1);
B = ((x >>> y) | (x << (w-y))) ^ A;
x = A - S22;
y = B & (w-1);
A = ((x >>> y) | (x << (w-y))) ^ B;
String astr = Integer.toHexString(A);
String bstr = Integer.toHexString(B);
System.err.println("A = " + astr + " B = " + bstr);
if ((!astr.equals("dcb38144")) ||
(!bstr.equals("1916de73"))) {
throw new RuntimeException("Unexpected shift results!");
}
System.err.println("Test passed");
}
public static void main(String[] args) throws Exception {
doTest(0x496def29b74be041L);
}
}
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