1/*
2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef CPU_SPARC_VM_VMREG_SPARC_HPP
26#define CPU_SPARC_VM_VMREG_SPARC_HPP
27
28inline bool is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }
29inline bool is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&
30                                        value()  < ConcreteRegisterImpl::max_fpr; }
31inline Register as_Register() {
32  assert( is_Register() && is_even(value()), "even-aligned GPR name" );
33  // Yuk
34  return ::as_Register(value()>>1);
35}
36
37inline FloatRegister as_FloatRegister() {
38  assert( is_FloatRegister(), "must be" );
39  // Yuk
40  return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );
41}
42
43inline   bool is_concrete() {
44  assert(is_reg(), "must be");
45  int v = value();
46  if ( v  <  ConcreteRegisterImpl::max_gpr ) {
47    return is_even(v);
48  }
49  // F0..F31
50  if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;
51  if ( v <  ConcreteRegisterImpl::max_fpr) {
52    return is_even(v);
53  }
54  assert(false, "what register?");
55  return false;
56}
57
58#endif // CPU_SPARC_VM_VMREG_SPARC_HPP
59