Tue, 06 Dec 2011 18:28:51 -0500
7117052: instanceKlass::_init_state can be u1 type
Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
25 #include "precompiled.hpp"
26 #include "assembler_sparc.inline.hpp"
27 #include "runtime/icache.hpp"
29 #define __ _masm->
31 void ICacheStubGenerator::generate_icache_flush(
32 ICache::flush_icache_stub_t* flush_icache_stub
33 ) {
34 StubCodeMark mark(this, "ICache", "flush_icache_stub");
35 address start = __ pc();
37 Label L;
38 __ bind(L);
39 __ flush( O0, G0 );
40 __ deccc( O1 );
41 __ br(Assembler::positive, false, Assembler::pn, L);
42 __ delayed()->inc( O0, 8 );
43 __ retl(false);
44 __ delayed()->mov( O2, O0 ); // handshake with caller to make sure it happened!
46 // Must be set here so StubCodeMark destructor can call the flush stub.
47 *flush_icache_stub = (ICache::flush_icache_stub_t)start;
48 };
50 #undef __