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comparison src/share/vm/ci/ciObjArray.cpp @ 17:ff5961f4c095

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6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) Reviewed-by: kvn, rasbold
author never
date Wed, 05 Dec 2007 09:01:00 -0800
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children c18cbe5936b8
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16:f8236e79048a 17:ff5961f4c095
1 /*
2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_ciObjArray.cpp.incl"
27
28 // ciObjArray
29 //
30 // This class represents an objArrayOop in the HotSpot virtual
31 // machine.
32
33 ciObject* ciObjArray::obj_at(int index) {
34 VM_ENTRY_MARK;
35 objArrayOop array = get_objArrayOop();
36 if (index < 0 || index >= array->length()) return NULL;
37 oop o = array->obj_at(index);
38 if (o == NULL) {
39 return ciNullObject::make();
40 } else {
41 return CURRENT_ENV->get_object(o);
42 }
43 }