Mercurial > hg > truffle
annotate src/share/vm/ci/ciCPCache.cpp @ 1295:3cf667df43ef
6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn
| author | twisti |
|---|---|
| date | Tue, 09 Mar 2010 20:16:19 +0100 |
| parents | dd57230ba8fe |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 1137 | 1 /* |
| 1295 | 2 * Copyright 2009-2010 Sun Microsystems, Inc. All Rights Reserved. |
| 1137 | 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 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_ciCPCache.cpp.incl" | |
| 27 | |
| 28 // ciCPCache | |
| 29 | |
| 30 // ------------------------------------------------------------------ | |
| 31 // ciCPCache::get_f1_offset | |
| 32 size_t ciCPCache::get_f1_offset(int index) { | |
| 33 // Calculate the offset from the constantPoolCacheOop to the f1 | |
| 34 // field. | |
| 35 ByteSize f1_offset = | |
| 36 constantPoolCacheOopDesc::entry_offset(index) + | |
| 37 ConstantPoolCacheEntry::f1_offset(); | |
| 38 | |
| 39 return in_bytes(f1_offset); | |
| 40 } | |
| 41 | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1137
diff
changeset
|
42 |
| 1137 | 43 // ------------------------------------------------------------------ |
| 1295 | 44 // ciCPCache::is_f1_null_at |
| 45 bool ciCPCache::is_f1_null_at(int index) { | |
| 46 VM_ENTRY_MARK; | |
| 47 constantPoolCacheOop cpcache = (constantPoolCacheOop) get_oop(); | |
| 48 oop f1 = cpcache->secondary_entry_at(index)->f1(); | |
| 49 return (f1 == NULL); | |
| 50 } | |
| 51 | |
| 52 | |
| 53 // ------------------------------------------------------------------ | |
| 1137 | 54 // ciCPCache::print |
| 55 // | |
| 56 // Print debugging information about the cache. | |
| 57 void ciCPCache::print() { | |
| 58 Unimplemented(); | |
| 59 } |