Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/sparc/vm/templateInterpreter_sparc.hpp@660978a2a31a (annotated)
src/cpu/sparc/vm/templateInterpreter_sparc.hpp
Thu, 12 Mar 2009 10:37:46 -0700
- author
- kvn
- date
- Thu, 12 Mar 2009 10:37:46 -0700
- changeset 1077
- 660978a2a31a
- parent 435
- a61af66fc99e
- child 1861
- 2338d41fbd81
- permissions
- -rw-r--r--
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 1997-2007 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 | |
| duke@435 | 26 | protected: |
| duke@435 | 27 | |
| duke@435 | 28 | // Size of interpreter code. Increase if too small. Interpreter will |
| duke@435 | 29 | // fail with a guarantee ("not enough space for interpreter generation"); |
| duke@435 | 30 | // if too small. |
| duke@435 | 31 | // Run with +PrintInterpreter to get the VM to print out the size. |
| duke@435 | 32 | // Max size with JVMTI and TaggedStackInterpreter |
| duke@435 | 33 | #ifdef _LP64 |
| duke@435 | 34 | // The sethi() instruction generates lots more instructions when shell |
| duke@435 | 35 | // stack limit is unlimited, so that's why this is much bigger. |
| duke@435 | 36 | const static int InterpreterCodeSize = 210 * K; |
| duke@435 | 37 | #else |
| duke@435 | 38 | const static int InterpreterCodeSize = 180 * K; |
| duke@435 | 39 | #endif |
