1 /*
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2013 SAP SE. All rights reserved.
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 #ifndef CPU_PPC_VM_VMREG_PPC_HPP
27 #define CPU_PPC_VM_VMREG_PPC_HPP
28
is_Register()29 inline bool is_Register() {
30 return (unsigned int)value() < (unsigned int)ConcreteRegisterImpl::max_gpr;
31 }
32
is_FloatRegister()33 inline bool is_FloatRegister() {
34 return value() >= ConcreteRegisterImpl::max_gpr &&
35 value() < ConcreteRegisterImpl::max_fpr;
36 }
37
as_Register()38 inline Register as_Register() {
39 assert(is_Register() && is_even(value()), "even-aligned GPR name");
40 return ::as_Register(value()>>1);
41 }
42
as_FloatRegister()43 inline FloatRegister as_FloatRegister() {
44 assert(is_FloatRegister() && is_even(value()), "must be");
45 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
46 }
47
is_concrete()48 inline bool is_concrete() {
49 assert(is_reg(), "must be");
50 return is_even(value());
51 }
52
53 #endif // CPU_PPC_VM_VMREG_PPC_HPP
54