diff options
| author | Lars Knoll <lars.knoll@qt.io> | 2017-02-08 16:21:02 +0100 |
|---|---|---|
| committer | Lars Knoll <lars.knoll@qt.io> | 2017-03-09 08:59:20 +0000 |
| commit | 2a554434a571dcefd26cf10ef8c5ae8b3b7d66db (patch) | |
| tree | 5532f0a0206fbbde0a3099ff1e0ee58188a97275 /src/qml/jit/qv4isel_masm.cpp | |
| parent | 05de4e044f92dd278a00e410be8f070bc4d66e6f (diff) | |
Implement a real write barrier
Implement a Steel write barrier for our objects. The barrier is
interesting as it can also be used for incremental GC runs by
simply turning the barrier on and leaving old objects marked as
black.
Change-Id: I0b273974d94a990dee3cd9298089b8b202c75bf2
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/qml/jit/qv4isel_masm.cpp')
| -rw-r--r-- | src/qml/jit/qv4isel_masm.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/qml/jit/qv4isel_masm.cpp b/src/qml/jit/qv4isel_masm.cpp index f4bbedad43..5b57d29bca 100644 --- a/src/qml/jit/qv4isel_masm.cpp +++ b/src/qml/jit/qv4isel_masm.cpp @@ -791,6 +791,7 @@ void InstructionSelection<JITAssembler>::swapValues(IR::Expr *source, IR::Expr * Q_UNREACHABLE(); } _as->store32(TrustedImm32(tag), addr); + _as->emitWriteBarrier(addr, barrier); } _as->move(JITTargetPlatform::ScratchRegister, (RegisterID) regTemp->index); } |