js/src/jit/JitOptions.h@6474c204b198 (annotated)
js/src/jit/JitOptions.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef jit_JitOptions_h |
| michael@0 | 8 | #define jit_JitOptions_h |
| michael@0 | 9 | |
| michael@0 | 10 | #include "jit/IonTypes.h" |
| michael@0 | 11 | #include "js/TypeDecls.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #ifdef JS_ION |
| michael@0 | 14 | |
| michael@0 | 15 | namespace js { |
| michael@0 | 16 | namespace jit { |
| michael@0 | 17 | |
| michael@0 | 18 | // Longer scripts can only be compiled off thread, as these compilations |
| michael@0 | 19 | // can be expensive and stall the main thread for too long. |
| michael@0 | 20 | static const uint32_t MAX_OFF_THREAD_SCRIPT_SIZE = 100 * 1000; |
| michael@0 | 21 | static const uint32_t MAX_MAIN_THREAD_SCRIPT_SIZE = 2 * 1000; |
| michael@0 | 22 | static const uint32_t MAX_MAIN_THREAD_LOCALS_AND_ARGS = 256; |
| michael@0 | 23 | |
| michael@0 | 24 | // DOM Worker runtimes don't have off thread compilation, but can also compile |
| michael@0 | 25 | // larger scripts since this doesn't stall the main thread. |
| michael@0 | 26 | static const uint32_t MAX_DOM_WORKER_SCRIPT_SIZE = 16 * 1000; |
| michael@0 | 27 | static const uint32_t MAX_DOM_WORKER_LOCALS_AND_ARGS = 2048; |
| michael@0 | 28 | |
| michael@0 | 29 | // Possible register allocators which may be used. |
| michael@0 | 30 | enum IonRegisterAllocator { |
| michael@0 | 31 | RegisterAllocator_LSRA, |
| michael@0 | 32 | RegisterAllocator_Backtracking, |
| michael@0 | 33 | RegisterAllocator_Stupid |
| michael@0 | 34 | }; |
| michael@0 | 35 | |
| michael@0 | 36 | enum IonGvnKind { |
| michael@0 | 37 | GVN_Optimistic, |
| michael@0 | 38 | GVN_Pessimistic |
| michael@0 | 39 | }; |
| michael@0 | 40 | |
| michael@0 | 41 | struct JitOptions |
| michael@0 | 42 | { |
| michael@0 | 43 | bool checkGraphConsistency; |
| michael@0 | 44 | #ifdef CHECK_OSIPOINT_REGISTERS |
| michael@0 | 45 | bool checkOsiPointRegisters; |
| michael@0 | 46 | #endif |
| michael@0 | 47 | bool checkRangeAnalysis; |
| michael@0 | 48 | bool compileTryCatch; |
| michael@0 | 49 | bool disableGvn; |
| michael@0 | 50 | bool disableLicm; |
| michael@0 | 51 | bool disableInlining; |
| michael@0 | 52 | bool disableEdgeCaseAnalysis; |
| michael@0 | 53 | bool disableRangeAnalysis; |
| michael@0 | 54 | bool disableUce; |
| michael@0 | 55 | bool disableEaa; |
| michael@0 | 56 | bool eagerCompilation; |
| michael@0 | 57 | bool forceDefaultIonUsesBeforeCompile; |
| michael@0 | 58 | uint32_t forcedDefaultIonUsesBeforeCompile; |
| michael@0 | 59 | bool forceGvnKind; |
| michael@0 | 60 | IonGvnKind forcedGvnKind; |
| michael@0 | 61 | bool forceRegisterAllocator; |
| michael@0 | 62 | IonRegisterAllocator forcedRegisterAllocator; |
| michael@0 | 63 | bool limitScriptSize; |
| michael@0 | 64 | bool osr; |
| michael@0 | 65 | uint32_t baselineUsesBeforeCompile; |
| michael@0 | 66 | uint32_t exceptionBailoutThreshold; |
| michael@0 | 67 | uint32_t frequentBailoutThreshold; |
| michael@0 | 68 | uint32_t maxStackArgs; |
| michael@0 | 69 | uint32_t osrPcMismatchesBeforeRecompile; |
| michael@0 | 70 | uint32_t smallFunctionMaxBytecodeLength_; |
| michael@0 | 71 | uint32_t usesBeforeCompilePar; |
| michael@0 | 72 | bool profileInlineFrames; |
| michael@0 | 73 | |
| michael@0 | 74 | JitOptions(); |
| michael@0 | 75 | bool isSmallFunction(JSScript *script) const; |
| michael@0 | 76 | void setEagerCompilation(); |
| michael@0 | 77 | void setUsesBeforeCompile(uint32_t useCount); |
| michael@0 | 78 | void resetUsesBeforeCompile(); |
| michael@0 | 79 | }; |
| michael@0 | 80 | |
| michael@0 | 81 | extern JitOptions js_JitOptions; |
| michael@0 | 82 | |
| michael@0 | 83 | } // namespace jit |
| michael@0 | 84 | } // namespace js |
| michael@0 | 85 | |
| michael@0 | 86 | #endif // JS_ION |
| michael@0 | 87 | |
| michael@0 | 88 | #endif /* jit_JitOptions_h */ |
