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src/share/vm/c1/c1_Compiler.hpp@01522ca68fc7 (annotated)
src/share/vm/c1/c1_Compiler.hpp
Tue, 18 Jun 2013 12:31:07 -0700
- author
- johnc
- date
- Tue, 18 Jun 2013 12:31:07 -0700
- changeset 5277
- 01522ca68fc7
- parent 5157
- 01e51113b4f5
- child 5919
- 469216acdb28
- permissions
- -rw-r--r--
8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_C1_C1_COMPILER_HPP |
| stefank@2314 | 26 | #define SHARE_VM_C1_C1_COMPILER_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "compiler/abstractCompiler.hpp" |
| stefank@2314 | 29 | |
| duke@435 | 30 | // There is one instance of the Compiler per CompilerThread. |
| duke@435 | 31 | |
| duke@435 | 32 | class Compiler: public AbstractCompiler { |
| duke@435 | 33 | |
| duke@435 | 34 | private: |
| duke@435 | 35 | |
| duke@435 | 36 | // Tracks whether runtime has been initialized |
| duke@435 | 37 | static volatile int _runtimes; |
| duke@435 | 38 | |
| duke@435 | 39 | public: |
| duke@435 | 40 | // Creation |
| duke@435 | 41 | Compiler(); |
| duke@435 | 42 | ~Compiler(); |
| duke@435 | 43 | |
| duke@435 | 44 | // Name of this compiler |
| duke@435 | 45 | virtual const char* name() { return "C1"; } |
| duke@435 | 46 | |
| iveresov@2138 | 47 | virtual bool is_c1() { return true; }; |
| duke@435 | 48 | |
| anoll@5157 | 49 | BufferBlob* get_buffer_blob(ciEnv* env); |
| duke@435 | 50 | |
| duke@435 | 51 | // Missing feature tests |
| duke@435 | 52 | virtual bool supports_native() { return true; } |
| duke@435 | 53 | virtual bool supports_osr () { return true; } |
| duke@435 | 54 | |
| duke@435 | 55 | // Customization |
| duke@435 | 56 | virtual bool needs_adapters () { return false; } |
| duke@435 | 57 | virtual bool needs_stubs () { return false; } |
| duke@435 | 58 | |
| duke@435 | 59 | // Initialization |
| duke@435 | 60 | virtual void initialize(); |
| iveresov@1939 | 61 | static void initialize_all(); |
| duke@435 | 62 | |
| duke@435 | 63 | // Compilation entry point for methods |
| duke@435 | 64 | virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci); |
| duke@435 | 65 | |
| duke@435 | 66 | // Print compilation timers and statistics |
| duke@435 | 67 | virtual void print_timers(); |
| duke@435 | 68 | }; |
| stefank@2314 | 69 | |
| stefank@2314 | 70 | #endif // SHARE_VM_C1_C1_COMPILER_HPP |
