jdk-24/test/hotspot/jtreg/compiler/vectorization/TestCMoveWithoutBoolPack.java
Tobias Hartmann d3b578f1c9 8313345: SuperWord fails due to CMove without matching Bool pack
Co-authored-by: Emanuel Peter <epeter@openjdk.org>
Co-authored-by: Hannes Greule <hannesgreule@outlook.de>
Reviewed-by: chagedorn, epeter, hgreule
2023-08-09 05:16:02 +00:00

68 lines
2.3 KiB
Java

/*
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* 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
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*
* 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 8313345
* @summary Test SuperWord with a CMove that does not have a matching bool pack.
* @requires vm.compiler2.enabled
* @run main/othervm -XX:-TieredCompilation -XX:CompileCommand=compileonly,*TestCMoveWithoutBoolPack*::fill -Xbatch
* compiler.vectorization.TestCMoveWithoutBoolPack
* @run main/othervm -XX:-TieredCompilation -XX:CompileCommand=compileonly,*TestCMoveWithoutBoolPack*::fill -Xbatch
* -XX:+UseCMoveUnconditionally
* compiler.vectorization.TestCMoveWithoutBoolPack
*/
package compiler.vectorization;
public class TestCMoveWithoutBoolPack {
public static void main(String[] args) {
A a = new A();
B b = new B();
double[] c = new double[1000];
for (int i = 0; i < 1000; i++) {
a.fill(c);
b.fill(c);
}
}
public static class A {
void fill(double[] array) {
for (int i = 0; i < array.length; ++i) {
array[i] = this.transform(array[i]);
}
}
public double transform(double value) {
return value * value;
}
}
public static class B extends A {
public double transform(double value) {
return value;
}
}
}