Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/abstractCompiler.hpp @ 1783:d5d065957597
6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti
| author | iveresov |
|---|---|
| date | Fri, 03 Sep 2010 17:51:07 -0700 |
| parents | d2ede61b7a12 |
| children | 2d26b0046e0d f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1692 | 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 typedef void (*initializer)(void); | |
| 26 | |
| 27 class AbstractCompiler : public CHeapObj { | |
| 28 private: | |
| 29 bool _is_initialized; // Mark whether compiler object is initialized | |
| 30 | |
| 31 protected: | |
| 32 // Used for tracking global state of compiler runtime initialization | |
| 33 enum { uninitialized, initializing, initialized }; | |
| 34 | |
| 35 // This method will call the initialization method "f" once (per compiler class/subclass) | |
| 36 // and do so without holding any locks | |
| 37 void initialize_runtimes(initializer f, volatile int* state); | |
| 38 | |
| 39 public: | |
| 40 AbstractCompiler() : _is_initialized(false) {} | |
| 41 | |
| 42 // Name of this compiler | |
| 43 virtual const char* name() = 0; | |
| 44 | |
| 45 // Missing feature tests | |
| 46 virtual bool supports_native() { return true; } | |
| 47 virtual bool supports_osr () { return true; } | |
| 1692 | 48 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) |
| 0 | 49 virtual bool is_c1 () { return false; } |
| 50 virtual bool is_c2 () { return false; } | |
| 1692 | 51 virtual bool is_shark() { return false; } |
| 0 | 52 #else |
| 53 #ifdef COMPILER1 | |
| 54 bool is_c1 () { return true; } | |
| 55 bool is_c2 () { return false; } | |
| 1692 | 56 bool is_shark() { return false; } |
| 0 | 57 #endif // COMPILER1 |
| 58 #ifdef COMPILER2 | |
| 59 bool is_c1 () { return false; } | |
| 60 bool is_c2 () { return true; } | |
| 1692 | 61 bool is_shark() { return false; } |
| 0 | 62 #endif // COMPILER2 |
| 1692 | 63 #ifdef SHARK |
| 64 bool is_c1 () { return false; } | |
| 65 bool is_c2 () { return false; } | |
| 66 bool is_shark() { return true; } | |
| 67 #endif // SHARK | |
| 0 | 68 #endif // TIERED |
| 69 | |
| 70 // Customization | |
| 71 virtual bool needs_stubs () = 0; | |
| 72 | |
| 73 void mark_initialized() { _is_initialized = true; } | |
| 74 bool is_initialized() { return _is_initialized; } | |
| 75 | |
| 76 virtual void initialize() = 0; | |
| 77 | |
| 78 // Compilation entry point for methods | |
| 79 virtual void compile_method(ciEnv* env, | |
| 80 ciMethod* target, | |
| 81 int entry_bci) { | |
| 82 ShouldNotReachHere(); | |
| 83 } | |
| 84 | |
| 85 | |
| 86 // Print compilation timers and statistics | |
| 87 virtual void print_timers() { | |
| 88 ShouldNotReachHere(); | |
| 89 } | |
| 90 }; |