/*
* 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 .
*
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*/
/**
* @ test
* @ bug 6931567
* @ summary JIT Error ( on class file compiled with eclipse ) on JVM x64 ( but not on x32 ! ) .
*
* @ run main compiler . c2 . Test6931567
*/
package compiler.c2;
// Should be compiled with javac from JDK1.3 to get bytecode which shows the problem.
public class Test6931567 {
public static void main(final String[] args) {
booleanInvert(Integer.MAX_VALUE);
booleanInvert(Integer.MAX_VALUE - 1 );
}
private static void booleanInvert(final int max) {
boolean test1 = false ;
boolean test2 = false ;
for (int i = 0 ; i < max; i++) {
test1 = !test1;
}
for (int i = 0 ; i < max; i++) {
test2 ^= true ;
}
if (test1 != test2) {
System.out.println("ERROR: Boolean invert\n\ttest1=" + test1
+ "\n\ttest2=" + test2);
System.exit(97 );
} else {
System.out.println("Passed!" );
}
}
}
Messung V0.5 in Prozent C=96 H=83 G=89
¤ Dauer der Verarbeitung: 0.25 Sekunden
¤
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