mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-27 23:04:50 +02:00
694d16f4cc
Fixed stack offsets for xmm register saving/restoring code on 32 bit. Reviewed-by: kvn, mcberg
62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
|
|
* Copyright (c) 2016, 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 8148490
|
|
* @summary Test correct saving and restoring of vector registers at safepoints.
|
|
* @run main/othervm -Xbatch -XX:-TieredCompilation -XX:CompileCommand=exclude,TestRegisterRestoring::main -XX:+SafepointALot TestRegisterRestoring
|
|
*/
|
|
public class TestRegisterRestoring {
|
|
public static void main(String args[]) throws Exception {
|
|
// Initialize
|
|
float[] array = new float[100];
|
|
for (int i = 0; i < array.length; ++i) {
|
|
array[i] = 0;
|
|
}
|
|
// Test
|
|
for (int j = 0; j < 20_000; ++j) {
|
|
increment(array);
|
|
// Check result
|
|
for (int i = 0; i < array.length; i++) {
|
|
if (array[i] != 10_000) {
|
|
throw new RuntimeException("Test failed: array[" + i + "] = " + array[i] + " but should be 10.000");
|
|
}
|
|
array[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void increment(float[] array) {
|
|
// Loop with safepoint
|
|
for (long l = 0; l < 10_000; l++) {
|
|
// Vectorized loop
|
|
for (int i = 0; i < array.length; ++i) {
|
|
array[i] += 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|