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comparison src/cpu/sparc/vm/vmreg_sparc.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 return VMRegImpl::as_VMReg(encoding() << 1 );
28 }
29
30 inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); }
31
32
33 inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }
34 inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&
35 value() < ConcreteRegisterImpl::max_fpr; }
36 inline Register VMRegImpl::as_Register() {
37
38 assert( is_Register() && is_even(value()), "even-aligned GPR name" );
39 // Yuk
40 return ::as_Register(value()>>1);
41 }
42
43 inline FloatRegister VMRegImpl::as_FloatRegister() {
44 assert( is_FloatRegister(), "must be" );
45 // Yuk
46 return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );
47 }
48
49 inline bool VMRegImpl::is_concrete() {
50 assert(is_reg(), "must be");
51 int v = value();
52 if ( v < ConcreteRegisterImpl::max_gpr ) {
53 return is_even(v);
54 }
55 // F0..F31
56 if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;
57 if ( v < ConcreteRegisterImpl::max_fpr) {
58 return is_even(v);
59 }
60 assert(false, "what register?");
61 return false;
62 }