Mercurial > hg > truffle
comparison src/cpu/sparc/vm/vmreg_sparc.inline.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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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 } |