|
42664
|
1 |
/*
|
|
|
2 |
* Copyright (c) 2008, 2014, 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_ARM_VM_VMREG_ARM_HPP
|
|
|
26 |
#define CPU_ARM_VM_VMREG_ARM_HPP
|
|
|
27 |
|
|
|
28 |
inline bool is_Register() {
|
|
|
29 |
return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
|
|
|
30 |
}
|
|
|
31 |
|
|
|
32 |
inline bool is_FloatRegister() {
|
|
|
33 |
return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
|
|
|
34 |
}
|
|
|
35 |
|
|
|
36 |
inline Register as_Register() {
|
|
|
37 |
assert(is_Register(), "must be");
|
|
|
38 |
assert(is_concrete(), "concrete register expected");
|
|
|
39 |
return ::as_Register(value() >> ConcreteRegisterImpl::log_vmregs_per_gpr);
|
|
|
40 |
}
|
|
|
41 |
|
|
|
42 |
inline FloatRegister as_FloatRegister() {
|
|
|
43 |
assert(is_FloatRegister(), "must be");
|
|
|
44 |
assert(is_concrete(), "concrete register expected");
|
|
|
45 |
return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> ConcreteRegisterImpl::log_vmregs_per_fpr);
|
|
|
46 |
}
|
|
|
47 |
|
|
|
48 |
inline bool is_concrete() {
|
|
|
49 |
if (is_Register()) {
|
|
|
50 |
return ((value() & right_n_bits(ConcreteRegisterImpl::log_vmregs_per_gpr)) == 0);
|
|
|
51 |
} else if (is_FloatRegister()) {
|
|
|
52 |
return (((value() - ConcreteRegisterImpl::max_gpr) & right_n_bits(ConcreteRegisterImpl::log_vmregs_per_fpr)) == 0);
|
|
|
53 |
} else {
|
|
|
54 |
return false;
|
|
|
55 |
}
|
|
|
56 |
}
|
|
|
57 |
|
|
|
58 |
#endif // CPU_ARM_VM_VMREG_ARM_HPP
|