/*
* Copyright ( c ) 2010 , 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 6973329
* @ summary C2 with Zero based COOP produces code with broken anti - dependency on x86
*
* @ run main / othervm - Xbatch - Xcomp
* - XX : CompileCommand = compileonly , compiler . c2 . Test6973329 : : *
* compiler . c2 . Test6973329
*/
package compiler.c2;
public class Test6973329 {
static class A {
A next;
int n;
public int get_n() {
return n + 1 ;
}
}
A a;
void test(A new_next) {
A prev_next = a.next;
a.next = new_next;
if (prev_next == null ) {
a.n = a.get_n();
}
}
public static void main(String args[]) {
Test6973329 t = new Test6973329();
t.a = new A();
t.a.n = 1 ;
t.test(new A());
if (t.a.n != 2 ) {
System.out.println("Wrong value: " + t.a.n + " expected: 2" );
System.exit(97 );
}
}
}
Messung V0.5 in Prozent C=89 H=88 G=88
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland