提交 bb5f04dd 编写于 作者: N never

7103261: crash with jittester on sparc

Reviewed-by: iveresov, kvn
上级 fe77a289
......@@ -1116,7 +1116,7 @@ void LIR_Assembler::const2mem(LIR_Opr src, LIR_Opr dest, BasicType type, CodeEmi
} else {
__ set(value_hi, O7);
}
offset = store(tmp, base, addr->disp() + hi_word_offset_in_bytes, T_INT, wide, false);
store(tmp, base, addr->disp() + hi_word_offset_in_bytes, T_INT, wide, false);
break;
}
case T_OBJECT: {
......
/*
* Copyright (c) 2011, 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 7103261
* @summary crash with jittester on sparc
*
* @run main Test7103261
*/
// exercise implicit null checking in the compiler for various field types
public class Test7103261 {
static Test7103261 null_value;
static Test7103261 nonnull_value = new Test7103261();
static Test7103261 nonnull_value2 = new Test7103261();
long l;
int i;
float f;
double d;
byte b;
char c;
short s;
boolean z;
public static void main(String[] args) {
constantStore();
valueTest(false);
valueTest(true);
}
static void constantStore() {
for (int field = 0; field < 8; field++) {
try {
Test7103261 o = nonnull_value;
for (int i = 0; i < 100000; i++) {
switch (field) {
case 0: o.l = 0; break;
case 1: o.i = 0; break;
case 2: o.f = 0; break;
case 3: o.d = 0; break;
case 4: o.b = 0; break;
case 5: o.c = 0; break;
case 6: o.s = 0; break;
case 7: o.z = false; break;
default: throw new InternalError();
}
if (i == 90000) {
// hide nullness from optimizer
o = null_value;
}
}
} catch (NullPointerException npe) {
}
}
}
static void valueTest(boolean store) {
for (int field = 0; field < 8; field++) {
try {
Test7103261 o = nonnull_value;
Test7103261 o2 = nonnull_value2;
for (int i = 0; i < 100000; i++) {
switch (field) {
case 0: o.l = o2.l; break;
case 1: o.i = o2.i; break;
case 2: o.f = o2.f; break;
case 3: o.d = o2.d; break;
case 4: o.b = o2.b; break;
case 5: o.c = o2.c; break;
case 6: o.s = o2.s; break;
case 7: o.z = o2.z; break;
default: throw new InternalError();
}
if (i == 90000) {
// hide nullness from optimizer
if (store)
o = null_value;
else
o2 = null_value;
}
}
} catch (NullPointerException npe) {
}
}
}
}
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册