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comparison src/cpu/x86/vm/vmreg_x86.inline.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2006-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 inline VMReg RegisterImpl::as_VMReg() {
26 if( this==noreg ) return VMRegImpl::Bad();
27 #ifdef AMD64
28 return VMRegImpl::as_VMReg(encoding() << 1 );
29 #else
30 return VMRegImpl::as_VMReg(encoding() );
31 #endif // AMD64
32 }
33
34 inline VMReg FloatRegisterImpl::as_VMReg() {
35 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);
36 }
37
38 inline VMReg XMMRegisterImpl::as_VMReg() {
39 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr);
40 }
41
42
43 inline bool VMRegImpl::is_Register() {
44 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
45 }
46
47 inline bool VMRegImpl::is_FloatRegister() {
48 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
49 }
50
51 inline bool VMRegImpl::is_XMMRegister() {
52 return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm;
53 }
54
55 inline Register VMRegImpl::as_Register() {
56
57 assert( is_Register(), "must be");
58 // Yuk
59 #ifdef AMD64
60 return ::as_Register(value() >> 1);
61 #else
62 return ::as_Register(value());
63 #endif // AMD64
64 }
65
66 inline FloatRegister VMRegImpl::as_FloatRegister() {
67 assert( is_FloatRegister() && is_even(value()), "must be" );
68 // Yuk
69 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
70 }
71
72 inline XMMRegister VMRegImpl::as_XMMRegister() {
73 assert( is_XMMRegister() && is_even(value()), "must be" );
74 // Yuk
75 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 1);
76 }
77
78 inline bool VMRegImpl::is_concrete() {
79 assert(is_reg(), "must be");
80 #ifndef AMD64
81 if (is_Register()) return true;
82 #endif // AMD64
83 return is_even(value());
84 }