Mercurial > hg > graal-compiler
view src/share/vm/interpreter/bytecodeStream.cpp @ 599:0ad1cb407fa1
6805427: adlc compiler may generate incorrect machnode emission code
Reviewed-by: kvn, twisti
author | never |
---|---|
date | Wed, 25 Feb 2009 10:53:14 -0800 |
parents | ad8c8ca4ab0f |
children | c18cbe5936b8 ab102d5d923e |
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/* * Copyright 1997-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_bytecodeStream.cpp.incl" Bytecodes::Code RawBytecodeStream::raw_next_special(Bytecodes::Code code) { assert(!is_last_bytecode(), "should have been checked"); // set next bytecode position address bcp = RawBytecodeStream::bcp(); address end = method()->code_base() + end_bci(); int l = Bytecodes::raw_special_length_at(bcp, end); if (l <= 0 || (_bci + l) > _end_bci) { code = Bytecodes::_illegal; } else { _next_bci += l; assert(_bci < _next_bci, "length must be > 0"); // set attributes _is_wide = false; // check for special (uncommon) cases if (code == Bytecodes::_wide) { if (bcp + 1 >= end) { code = Bytecodes::_illegal; } else { code = (Bytecodes::Code)bcp[1]; _is_wide = true; } } } _code = code; return code; }