112 lines
3.7 KiB
Java
112 lines
3.7 KiB
Java
/*
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* Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 7103261
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* @summary crash with jittester on sparc
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*
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* @run main compiler.c1.Test7103261
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*/
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package compiler.c1;
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// exercise implicit null checking in the compiler for various field types
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public class Test7103261 {
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static Test7103261 null_value;
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static Test7103261 nonnull_value = new Test7103261();
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static Test7103261 nonnull_value2 = new Test7103261();
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long l;
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int i;
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float f;
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double d;
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byte b;
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char c;
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short s;
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boolean z;
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Object o;
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public static void main(String[] args) {
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constantStore();
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valueTest(false);
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valueTest(true);
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}
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static void constantStore() {
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for (int field = 0; field < 9; field++) {
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try {
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Test7103261 o = nonnull_value;
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for (int i = 0; i < 100000; i++) {
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switch (field) {
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case 0: o.l = 0; break;
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case 1: o.i = 0; break;
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case 2: o.f = 0; break;
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case 3: o.d = 0; break;
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case 4: o.b = 0; break;
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case 5: o.c = 0; break;
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case 6: o.s = 0; break;
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case 7: o.z = false; break;
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case 8: o.o = null; break;
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default: throw new InternalError();
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}
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if (i == 90000) {
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// hide nullness from optimizer
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o = null_value;
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}
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}
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} catch (NullPointerException npe) {
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}
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}
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}
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static void valueTest(boolean store) {
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for (int field = 0; field < 9; field++) {
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try {
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Test7103261 o = nonnull_value;
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Test7103261 o2 = nonnull_value2;
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for (int i = 0; i < 100000; i++) {
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switch (field) {
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case 0: o.l = o2.l; break;
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case 1: o.i = o2.i; break;
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case 2: o.f = o2.f; break;
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case 3: o.d = o2.d; break;
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case 4: o.b = o2.b; break;
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case 5: o.c = o2.c; break;
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case 6: o.s = o2.s; break;
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case 7: o.z = o2.z; break;
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case 8: o.o = o2.o; break;
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default: throw new InternalError();
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}
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if (i == 90000) {
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// hide nullness from optimizer
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if (store)
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o = null_value;
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else
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o2 = null_value;
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}
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}
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} catch (NullPointerException npe) {
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}
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}
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}
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}
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