1 /*
2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "asm/assembler.hpp"
28 #include "code/vmreg.hpp"
29
set_regName()30 void VMRegImpl::set_regName() {
31 int i = 0;
32 Register reg = ::as_Register(0);
33 for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {
34 regName[i++] = reg->name();
35 reg = reg->successor();
36 }
37 FloatRegister freg = ::as_FloatRegister(0);
38 for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
39 regName[i++] = freg->name();
40 freg = freg->successor();
41 }
42 assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");
43 }
44
is_Register()45 bool VMRegImpl::is_Register() {
46 return value() >= 0 &&
47 value() < ConcreteRegisterImpl::max_gpr;
48 }
49
is_FloatRegister()50 bool VMRegImpl::is_FloatRegister() {
51 return value() >= ConcreteRegisterImpl::max_gpr &&
52 value() < ConcreteRegisterImpl::max_fpr;
53 }
54
as_Register()55 Register VMRegImpl::as_Register() {
56 assert(is_Register(), "must be");
57 return ::as_Register(value());
58 }
59
as_FloatRegister()60 FloatRegister VMRegImpl::as_FloatRegister() {
61 assert(is_FloatRegister(), "must be" );
62 return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr);
63 }
64