Mercurial > hg > graal-compiler

comparison src/share/vm/interpreter/bytecodeStream.cpp @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c7ec737733a6
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2005 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/_bytecodeStream.cpp.incl"
27
28 Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) {
29 assert(!is_last_bytecode(), "should have been checked");
30 // set next bytecode position
31 address bcp = RawBytecodeStream::bcp();
32 int l = Bytecodes::raw_special_length_at(bcp);
33 if (l <= 0 || (_bci + l) > _end_bci) {
34 code = Bytecodes::_illegal;
35 } else {
36 _next_bci += l;
37 assert(_bci < _next_bci, "length must be > 0");
38 // set attributes
39 _is_wide = false;
40 // check for special (uncommon) cases
41 if (code == Bytecodes::_wide) {
42 code = (Bytecodes::Code)bcp[1];
43 _is_wide = true;
44 }
45 }
46 _code = code;
47 return code;
48 }