diff options
Diffstat (limited to 'src/qml/jit/qv4baselineassembler.cpp')
| -rw-r--r-- | src/qml/jit/qv4baselineassembler.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/qml/jit/qv4baselineassembler.cpp b/src/qml/jit/qv4baselineassembler.cpp index d53bb84827..f6b745632b 100644 --- a/src/qml/jit/qv4baselineassembler.cpp +++ b/src/qml/jit/qv4baselineassembler.cpp @@ -1446,7 +1446,29 @@ void BaselineAssembler::callRuntime(const char *functionName, const void *funcPt void BaselineAssembler::saveAccumulatorInFrame() { pasm()->storeAccumulator(PlatformAssembler::Address(PlatformAssembler::JSStackFrameRegister, - offsetof(CallData, accumulator))); + offsetof(CallData, accumulator))); +} + +static ReturnedValue TheJitIs__Tail_Calling__ToTheRuntimeSoTheJitFrameIsMissing(CppStackFrame *frame, ExecutionEngine *engine) +{ + return Runtime::method_tailCall(frame, engine); +} + +void BaselineAssembler::jsTailCall(int func, int thisObject, int argc, int argv) +{ + Address tos = pasm()->jsAlloca(4); + + int32_t argcOffset = tos.offset + int32_t(sizeof(Value)) * Runtime::StackOffsets::tailCall_argc; + int32_t argvOffset = tos.offset + int32_t(sizeof(Value)) * Runtime::StackOffsets::tailCall_argv; + int32_t thisOffset = tos.offset + int32_t(sizeof(Value)) * Runtime::StackOffsets::tailCall_thisObject; + int32_t funcOffset = tos.offset + int32_t(sizeof(Value)) * Runtime::StackOffsets::tailCall_function; + + pasm()->storeInt32AsValue(argc, Address(tos.base, argcOffset)); + pasm()->storeInt32AsValue(argv, Address(tos.base, argvOffset)); + pasm()->moveReg(regAddr(thisObject), Address(tos.base, thisOffset)); + pasm()->moveReg(regAddr(func), Address(tos.base, funcOffset)); + pasm()->tailCallRuntime("TheJitIs__Tail_Calling__ToTheRuntimeSoTheJitFrameIsMissing", + reinterpret_cast<void *>(TheJitIs__Tail_Calling__ToTheRuntimeSoTheJitFrameIsMissing)); } void BaselineAssembler::checkException() |