diff options
| author | Erik Verbruggen <erik.verbruggen@qt.io> | 2017-11-23 11:34:27 +0100 |
|---|---|---|
| committer | Erik Verbruggen <erik.verbruggen@qt.io> | 2017-12-14 09:24:03 +0000 |
| commit | 6793683b165bca058e4bd9ee1b3beac8cff12b9d (patch) | |
| tree | a3d4b875bd7a5f98d67cd5a870ceb7e756c9f63c /src/qml/jsruntime/qv4engine_p.h | |
| parent | a1fd2866465c4be2815a6ada776867b3d4efc557 (diff) | |
V4: Only start JITting after a minimum of 3 calls
Change-Id: I748e06041f3085980ce48391ba2d829a9d86a727
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Diffstat (limited to 'src/qml/jsruntime/qv4engine_p.h')
| -rw-r--r-- | src/qml/jsruntime/qv4engine_p.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h index 346f290feb..61efe0c41e 100644 --- a/src/qml/jsruntime/qv4engine_p.h +++ b/src/qml/jsruntime/qv4engine_p.h @@ -56,7 +56,9 @@ #include <private/qintrusivelist_p.h> #include "qv4enginebase_p.h" + #ifndef V4_BOOTSTRAP +# include "qv4function_p.h" # include <private/qv8engine_p.h> # include <private/qv4compileddata_p.h> #endif @@ -85,6 +87,7 @@ namespace CompiledData { struct CompilationUnit; } +struct Function; struct InternalClass; struct InternalClassPool; @@ -481,13 +484,22 @@ public: bool checkStackLimits(); - static bool canJIT(); + bool canJIT(Function *f) + { +#if defined(V4_ENABLE_JIT) && !defined(V4_BOOTSTRAP) + return f->interpreterCallCount > jitCallCountThreshold; +#else + Q_UNUSED(f); + return false; +#endif + } private: #if QT_CONFIG(qml_debug) QScopedPointer<QV4::Debugging::Debugger> m_debugger; QScopedPointer<QV4::Profiling::Profiler> m_profiler; #endif + int jitCallCountThreshold; }; // This is a trick to tell the code generators that functions taking a NoThrowContext won't |