Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/x86/vm/vmreg_x86.inline.hpp@ba764ed4b6f2 (annotated)
src/cpu/x86/vm/vmreg_x86.inline.hpp
Sun, 13 Apr 2008 17:43:42 -0400
- author
- coleenp
- date
- Sun, 13 Apr 2008 17:43:42 -0400
- changeset 548
- ba764ed4b6f2
- parent 435
- a61af66fc99e
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
| duke@435 | 1 | /* |
| duke@435 | 2 | * Copyright 2006-2007 Sun Microsystems, Inc. All Rights Reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | inline VMReg RegisterImpl::as_VMReg() { |
| duke@435 | 26 | if( this==noreg ) return VMRegImpl::Bad(); |
| duke@435 | 27 | #ifdef AMD64 |
| duke@435 | 28 | return VMRegImpl::as_VMReg(encoding() << 1 ); |
| duke@435 | 29 | #else |
| duke@435 | 30 | return VMRegImpl::as_VMReg(encoding() ); |
| duke@435 | 31 | #endif // AMD64 |
| duke@435 | 32 | } |
| duke@435 | 33 | |
| duke@435 | 34 | inline VMReg FloatRegisterImpl::as_VMReg() { |
| duke@435 | 35 | return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr); |
| duke@435 | 36 | } |
| duke@435 | 37 | |
| duke@435 | 38 | inline VMReg XMMRegisterImpl::as_VMReg() { |
| duke@435 | 39 | return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr); |
| duke@435 | 40 | } |
| duke@435 | 41 | |
| duke@435 | 42 | |
| duke@435 | 43 | inline bool VMRegImpl::is_Register() { |
| duke@435 | 44 | return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; |
| duke@435 | 45 | } |
| duke@435 | 46 | |
| duke@435 | 47 | inline bool VMRegImpl::is_FloatRegister() { |
| duke@435 | 48 | return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; |
| duke@435 | 49 | } |
| duke@435 | 50 | |
| duke@435 | 51 | inline bool VMRegImpl::is_XMMRegister() { |
| duke@435 | 52 | return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm; |
| duke@435 | 53 | } |
| duke@435 | 54 | |
| duke@435 | 55 | inline Register VMRegImpl::as_Register() { |
| duke@435 | 56 | |
| duke@435 | 57 | assert( is_Register(), "must be"); |
| duke@435 | 58 | // Yuk |
| duke@435 | 59 | #ifdef AMD64 |
| duke@435 | 60 | return ::as_Register(value() >> 1); |
| duke@435 | 61 | #else |
| duke@435 | 62 | return ::as_Register(value()); |
| duke@435 | 63 | #endif // AMD64 |
| duke@435 | 64 | } |
| duke@435 | 65 | |
| duke@435 | 66 | inline FloatRegister VMRegImpl::as_FloatRegister() { |
| duke@435 | 67 | assert( is_FloatRegister() && is_even(value()), "must be" ); |
| duke@435 | 68 | // Yuk |
| duke@435 | 69 | return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); |
| duke@435 | 70 | } |
| duke@435 | 71 | |
| duke@435 | 72 | inline XMMRegister VMRegImpl::as_XMMRegister() { |
| duke@435 | 73 | assert( is_XMMRegister() && is_even(value()), "must be" ); |
| duke@435 | 74 | // Yuk |
| duke@435 | 75 | return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 1); |
| duke@435 | 76 | } |
| duke@435 | 77 | |
| duke@435 | 78 | inline bool VMRegImpl::is_concrete() { |
| duke@435 | 79 | assert(is_reg(), "must be"); |
| duke@435 | 80 | #ifndef AMD64 |
| duke@435 | 81 | if (is_Register()) return true; |
| duke@435 | 82 | #endif // AMD64 |
| duke@435 | 83 | return is_even(value()); |
| duke@435 | 84 | } |
