8185134: [Graal] Introduce vm.graal predicate and tag tests which are not applicable for Graal
Reviewed-by: kvn, dnsimon
/*
* Copyright (c) 2011, 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 6956668
* @summary misbehavior of XOR operator (^) with int
*
* @run main/othervm -Xbatch compiler.c2.Test6956668
*/
package compiler.c2;
public class Test6956668 {
public static int bitTest() {
int result = 0;
int testValue = 73;
int bitCount = Integer.bitCount(testValue);
if (testValue != 0) {
int gap = Long.numberOfTrailingZeros(testValue);
testValue >>>= gap;
while (testValue != 0) {
result++;
if ((testValue ^= 0x1) != 0) {
gap = Long.numberOfTrailingZeros(testValue);
testValue >>>= gap;
}
}
}
if (bitCount != result) {
System.out.println("ERROR: " + bitCount + " != " + result);
System.exit(97);
}
return (result);
}
public static void main(String[] args) {
for (int i = 0; i < 100000; i++) {
int ct = bitTest();
}
}
}