vmreg_ppc.hpp revision 6760:22b98ab2a69f 
1/*
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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6 * This code is free software; you can redistribute it and/or modify it
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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 *
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24 */
25
26#ifndef CPU_PPC_VM_VMREG_PPC_HPP
27#define CPU_PPC_VM_VMREG_PPC_HPP
28
29inline bool is_Register() {
30  return (unsigned int)value() < (unsigned int)ConcreteRegisterImpl::max_gpr;
31}
32
33inline bool is_FloatRegister() {
34  return value() >= ConcreteRegisterImpl::max_gpr &&
35         value() < ConcreteRegisterImpl::max_fpr;
36}
37
38inline Register as_Register() {
39  assert(is_Register() && is_even(value()), "even-aligned GPR name");
40  return ::as_Register(value()>>1);
41}
42
43inline FloatRegister as_FloatRegister() {
44  assert(is_FloatRegister() && is_even(value()), "must be");
45  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
46}
47
48inline 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