diff options
| author | Lars Knoll <lars.knoll@digia.com> | 2014-02-05 16:12:16 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-02-05 18:29:02 +0100 |
| commit | d89e2698669db83f0b3591ac43f054aacc8bfc85 (patch) | |
| tree | e3739bc79f8b1b4dfb10c3587b8b3c69f20bc142 /src/qml/jsruntime/qv4vme_moth.cpp | |
| parent | a83444c1370a75733c47bd4f87a5a1248ab983c6 (diff) | |
Smaller performance fixes
Move commonly used variables in the ExecutionEngine
to the beginning of the struct to increase cache locality.
Keep the engine pointer in a register in the interpreter to
save one memory load per instruction.
Change-Id: If2540c66b62685701511f410aff495c0a20ca694
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/jsruntime/qv4vme_moth.cpp')
| -rw-r--r-- | src/qml/jsruntime/qv4vme_moth.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/qml/jsruntime/qv4vme_moth.cpp b/src/qml/jsruntime/qv4vme_moth.cpp index 22fe4968a2..5f079a7d05 100644 --- a/src/qml/jsruntime/qv4vme_moth.cpp +++ b/src/qml/jsruntime/qv4vme_moth.cpp @@ -150,12 +150,12 @@ Param traceParam(const Param ¶m) #define STOREVALUE(param, value) { \ QV4::ReturnedValue tmp = (value); \ - if (context->engine->hasException) \ + if (engine->hasException) \ goto catchException; \ VALUE(param) = tmp; \ } #define CHECK_EXCEPTION \ - if (context->engine->hasException) \ + if (engine->hasException) \ goto catchException QV4::ReturnedValue VME::run(QV4::ExecutionContext *context, const uchar *code, @@ -183,7 +183,7 @@ QV4::ReturnedValue VME::run(QV4::ExecutionContext *context, const uchar *code, const uchar *exceptionHandler = 0; - QV4::Debugging::Debugger *debugger = context->engine->debugger; + QV4::ExecutionEngine *engine = context->engine; #ifdef DO_TRACE_INSTR qDebug("Starting VME with context=%p and code=%p", context, code); @@ -658,6 +658,7 @@ QV4::ReturnedValue VME::run(QV4::ExecutionContext *context, const uchar *code, MOTH_END_INSTR(Ret) MOTH_BEGIN_INSTR(Debug) + QV4::Debugging::Debugger *debugger = context->engine->debugger; if (debugger && (instr.breakPoint || debugger->pauseAtNextOpportunity())) debugger->maybeBreakAtInstruction(code, instr.breakPoint); MOTH_END_INSTR(Debug) |