diff options
Diffstat (limited to 'js/src/jit/BaselineInspector.cpp')
| -rw-r--r-- | js/src/jit/BaselineInspector.cpp | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/js/src/jit/BaselineInspector.cpp b/js/src/jit/BaselineInspector.cpp index 3b852debf..bcb527516 100644 --- a/js/src/jit/BaselineInspector.cpp +++ b/js/src/jit/BaselineInspector.cpp @@ -104,11 +104,19 @@ AddReceiver(const ReceiverGuard& receiver, static bool GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* receiver) { - // We match: + // We match either: // // GuardIsObject 0 // GuardShape 0 // LoadFixedSlotResult 0 or LoadDynamicSlotResult 0 + // + // or + // + // GuardIsObject 0 + // GuardGroup 0 + // 1: GuardAndLoadUnboxedExpando 0 + // GuardShape 1 + // LoadFixedSlotResult 1 or LoadDynamicSlotResult 1 *receiver = ReceiverGuard(); CacheIRReader reader(stub->stubInfo()); @@ -117,6 +125,14 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re if (!reader.matchOp(CacheOp::GuardIsObject, objId)) return false; + if (reader.matchOp(CacheOp::GuardGroup, objId)) { + receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset()); + + if (!reader.matchOp(CacheOp::GuardAndLoadUnboxedExpando, objId)) + return false; + objId = reader.objOperandId(); + } + if (reader.matchOp(CacheOp::GuardShape, objId)) { receiver->shape = stub->stubInfo()->getStubField<Shape*>(stub, reader.stubOffset()); return reader.matchOpEither(CacheOp::LoadFixedSlotResult, CacheOp::LoadDynamicSlotResult); @@ -125,6 +141,29 @@ GetCacheIRReceiverForNativeReadSlot(ICCacheIR_Monitored* stub, ReceiverGuard* re return false; } +static bool +GetCacheIRReceiverForUnboxedProperty(ICCacheIR_Monitored* stub, ReceiverGuard* receiver) +{ + // We match: + // + // GuardIsObject 0 + // GuardGroup 0 + // LoadUnboxedPropertyResult 0 .. + + *receiver = ReceiverGuard(); + CacheIRReader reader(stub->stubInfo()); + + ObjOperandId objId = ObjOperandId(0); + if (!reader.matchOp(CacheOp::GuardIsObject, objId)) + return false; + + if (!reader.matchOp(CacheOp::GuardGroup, objId)) + return false; + receiver->group = stub->stubInfo()->getStubField<ObjectGroup*>(stub, reader.stubOffset()); + + return reader.matchOp(CacheOp::LoadUnboxedPropertyResult, objId); +} + bool BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receivers) { @@ -143,7 +182,8 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv while (stub->next()) { ReceiverGuard receiver; if (stub->isCacheIR_Monitored()) { - if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver)) + if (!GetCacheIRReceiverForNativeReadSlot(stub->toCacheIR_Monitored(), &receiver) && + !GetCacheIRReceiverForUnboxedProperty(stub->toCacheIR_Monitored(), &receiver)) { receivers.clear(); return true; @@ -151,6 +191,8 @@ BaselineInspector::maybeInfoForPropertyOp(jsbytecode* pc, ReceiverVector& receiv } else if (stub->isSetProp_Native()) { receiver = ReceiverGuard(stub->toSetProp_Native()->group(), stub->toSetProp_Native()->shape()); + } else if (stub->isSetProp_Unboxed()) { + receiver = ReceiverGuard(stub->toSetProp_Unboxed()->group(), nullptr); } else { receivers.clear(); return true; |