• file
• revisions
• annotate
• diff
• comparison
• raw

test/compiler/7103261/Test7103261.java@5dcfeb396fed (annotated)

test/compiler/7103261/Test7103261.java

Thu, 11 Apr 2013 09:39:57 -0700

author

katleman

date

Thu, 11 Apr 2013 09:39:57 -0700

changeset 4883

5dcfeb396fed

parent 0

f90c822e73f8

permissions

-rw-r--r--

Added tag jdk8-b85 for changeset 42fe530cd478

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	/**
aoqi@0	26	* @test
aoqi@0	27	* @bug 7103261
aoqi@0	28	* @summary crash with jittester on sparc
aoqi@0	29	*
aoqi@0	30	* @run main Test7103261
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	// exercise implicit null checking in the compiler for various field types
aoqi@0	34	public class Test7103261 {
aoqi@0	35	static Test7103261 null_value;
aoqi@0	36	static Test7103261 nonnull_value = new Test7103261();
aoqi@0	37	static Test7103261 nonnull_value2 = new Test7103261();
aoqi@0	38
aoqi@0	39	long l;
aoqi@0	40	int i;
aoqi@0	41	float f;
aoqi@0	42	double d;
aoqi@0	43	byte b;
aoqi@0	44	char c;
aoqi@0	45	short s;
aoqi@0	46	boolean z;
aoqi@0	47
aoqi@0	48	public static void main(String[] args) {
aoqi@0	49	constantStore();
aoqi@0	50	valueTest(false);
aoqi@0	51	valueTest(true);
aoqi@0	52	}
aoqi@0	53	static void constantStore() {
aoqi@0	54	for (int field = 0; field < 8; field++) {
aoqi@0	55	try {
aoqi@0	56	Test7103261 o = nonnull_value;
aoqi@0	57	for (int i = 0; i < 100000; i++) {
aoqi@0	58	switch (field) {
aoqi@0	59	case 0: o.l = 0; break;
aoqi@0	60	case 1: o.i = 0; break;
aoqi@0	61	case 2: o.f = 0; break;
aoqi@0	62	case 3: o.d = 0; break;
aoqi@0	63	case 4: o.b = 0; break;
aoqi@0	64	case 5: o.c = 0; break;
aoqi@0	65	case 6: o.s = 0; break;
aoqi@0	66	case 7: o.z = false; break;
aoqi@0	67	default: throw new InternalError();
aoqi@0	68	}
aoqi@0	69	if (i == 90000) {
aoqi@0	70	// hide nullness from optimizer
aoqi@0	71	o = null_value;
aoqi@0	72	}
aoqi@0	73	}
aoqi@0	74	} catch (NullPointerException npe) {
aoqi@0	75	}
aoqi@0	76	}
aoqi@0	77	}
aoqi@0	78	static void valueTest(boolean store) {
aoqi@0	79	for (int field = 0; field < 8; field++) {
aoqi@0	80	try {
aoqi@0	81	Test7103261 o = nonnull_value;
aoqi@0	82	Test7103261 o2 = nonnull_value2;
aoqi@0	83	for (int i = 0; i < 100000; i++) {
aoqi@0	84	switch (field) {
aoqi@0	85	case 0: o.l = o2.l; break;
aoqi@0	86	case 1: o.i = o2.i; break;
aoqi@0	87	case 2: o.f = o2.f; break;
aoqi@0	88	case 3: o.d = o2.d; break;
aoqi@0	89	case 4: o.b = o2.b; break;
aoqi@0	90	case 5: o.c = o2.c; break;
aoqi@0	91	case 6: o.s = o2.s; break;
aoqi@0	92	case 7: o.z = o2.z; break;
aoqi@0	93	default: throw new InternalError();
aoqi@0	94	}
aoqi@0	95	if (i == 90000) {
aoqi@0	96	// hide nullness from optimizer
aoqi@0	97	if (store)
aoqi@0	98	o = null_value;
aoqi@0	99	else
aoqi@0	100	o2 = null_value;
aoqi@0	101	}
aoqi@0	102	}
aoqi@0	103	} catch (NullPointerException npe) {
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106	}
aoqi@0	107	}