Thu, 12 Mar 2009 10:37:46 -0700
6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1999-2001 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 | #include "incls/_precompiled.incl" |
duke@435 | 26 | #include "incls/_chaitin_solaris.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | void PhaseRegAlloc::pd_preallocate_hook() { |
duke@435 | 29 | // no action |
duke@435 | 30 | } |
duke@435 | 31 | |
duke@435 | 32 | #ifdef ASSERT |
duke@435 | 33 | void PhaseRegAlloc::pd_postallocate_verify_hook() { |
duke@435 | 34 | // no action |
duke@435 | 35 | } |
duke@435 | 36 | #endif |
duke@435 | 37 | |
duke@435 | 38 | |
duke@435 | 39 | //Reconciliation History |
duke@435 | 40 | // 1.1 99/02/12 15:35:26 chaitin_win32.cpp |
duke@435 | 41 | // 1.2 99/02/18 15:38:56 chaitin_win32.cpp |
duke@435 | 42 | // 1.4 99/03/09 10:37:48 chaitin_win32.cpp |
duke@435 | 43 | // 1.6 99/03/25 11:07:44 chaitin_win32.cpp |
duke@435 | 44 | // 1.8 99/06/22 16:38:58 chaitin_win32.cpp |
duke@435 | 45 | //End |