1 /*
2 * Copyright (c) 2000, 2007, 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 class VMRegImpl;
27 typedef VMRegImpl* VMReg;
28
29 // Use Register as shortcut
30 class RegisterImpl;
31 typedef RegisterImpl* Register;
32
33 inline Register as_Register(int encoding) {
34 return (Register)(intptr_t) encoding;
35 }
36
37 // The implementation of integer registers for the zero architecture
38 class RegisterImpl : public AbstractRegisterImpl {
39 public:
40 enum {
41 number_of_registers = 0
42 };
43
44 // construction
45 inline friend Register as_Register(int encoding);
91 return (intptr_t)this;
92 }
93 bool is_valid() const {
94 return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers;
95 }
96 const char* name() const;
97 };
98
99 class ConcreteRegisterImpl : public AbstractRegisterImpl {
100 public:
101 enum {
102 number_of_registers = RegisterImpl::number_of_registers +
103 FloatRegisterImpl::number_of_registers
104 };
105
106 static const int max_gpr;
107 static const int max_fpr;
108 };
109
110 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
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1 /*
2 * Copyright (c) 2000, 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 #ifndef CPU_ZERO_VM_REGISTER_ZERO_HPP
27 #define CPU_ZERO_VM_REGISTER_ZERO_HPP
28
29 #include "asm/register.hpp"
30
31 class VMRegImpl;
32 typedef VMRegImpl* VMReg;
33
34 // Use Register as shortcut
35 class RegisterImpl;
36 typedef RegisterImpl* Register;
37
38 inline Register as_Register(int encoding) {
39 return (Register)(intptr_t) encoding;
40 }
41
42 // The implementation of integer registers for the zero architecture
43 class RegisterImpl : public AbstractRegisterImpl {
44 public:
45 enum {
46 number_of_registers = 0
47 };
48
49 // construction
50 inline friend Register as_Register(int encoding);
96 return (intptr_t)this;
97 }
98 bool is_valid() const {
99 return 0 <= (intptr_t) this && (intptr_t)this < number_of_registers;
100 }
101 const char* name() const;
102 };
103
104 class ConcreteRegisterImpl : public AbstractRegisterImpl {
105 public:
106 enum {
107 number_of_registers = RegisterImpl::number_of_registers +
108 FloatRegisterImpl::number_of_registers
109 };
110
111 static const int max_gpr;
112 static const int max_fpr;
113 };
114
115 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
116
117 #endif // CPU_ZERO_VM_REGISTER_ZERO_HPP
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