Tue, 12 Oct 2010 23:51:20 -0700
6991512: G1 barriers fail with 64bit C1
Summary: Fix compare-and-swap intrinsic problem with G1 post-barriers and issue with branch ranges in G1 stubs on sparc
Reviewed-by: never, kvn
1 /*
2 * Copyright (c) 1998, 2005, 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
21 * questions.
22 *
23 */
25 static int binary_search(int key, LookupswitchPair* array, int n);
27 static address iload (JavaThread* thread);
28 static address aload (JavaThread* thread);
29 static address istore(JavaThread* thread);
30 static address astore(JavaThread* thread);
31 static address iinc (JavaThread* thread);
35 // native method calls
37 class SignatureHandlerGenerator: public NativeSignatureIterator {
38 private:
39 MacroAssembler* _masm;
41 void pass_word(int size_of_arg, int offset_in_arg);
42 void pass_int() { pass_word(1, 0); }
43 void pass_long();
44 void pass_double();
45 void pass_float();
46 void pass_object();
48 public:
49 // Creation
50 SignatureHandlerGenerator(methodHandle method, CodeBuffer* buffer) : NativeSignatureIterator(method) {
51 _masm = new MacroAssembler(buffer);
52 }
54 // Code generation
55 void generate( uint64_t fingerprint );
56 };