Sun, 13 Apr 2008 17:43:42 -0400
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 1997-2003 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 | // Build a big enum of class names to give them dense integer indices |
duke@435 | 26 | #define macro(x) Op_##x, |
duke@435 | 27 | enum Opcodes { |
duke@435 | 28 | Op_Node = 0, |
duke@435 | 29 | macro(Set) // Instruction selection match rule |
coleenp@548 | 30 | macro(RegN) // Machine narrow oop register |
duke@435 | 31 | macro(RegI) // Machine integer register |
duke@435 | 32 | macro(RegP) // Machine pointer register |
duke@435 | 33 | macro(RegF) // Machine float register |
duke@435 | 34 | macro(RegD) // Machine double register |
duke@435 | 35 | macro(RegL) // Machine long register |
duke@435 | 36 | macro(RegFlags) // Machine flags register |
duke@435 | 37 | _last_machine_leaf, // Split between regular opcodes and machine |
duke@435 | 38 | #include "classes.hpp" |
duke@435 | 39 | _last_opcode |
duke@435 | 40 | }; |
duke@435 | 41 | #undef macro |
duke@435 | 42 | |
duke@435 | 43 | // Table of names, indexed by Opcode |
duke@435 | 44 | extern const char *NodeClassNames[]; |