diff options
Diffstat (limited to 'deps/v8/src/feedback-vector.h')
| -rw-r--r-- | deps/v8/src/feedback-vector.h | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/deps/v8/src/feedback-vector.h b/deps/v8/src/feedback-vector.h index 69fd86436f..f19aea9906 100644 --- a/deps/v8/src/feedback-vector.h +++ b/deps/v8/src/feedback-vector.h @@ -40,6 +40,7 @@ enum class FeedbackSlotKind { kLoadGlobalNotInsideTypeof, kLoadGlobalInsideTypeof, kLoadKeyed, + kHasKeyed, kStoreGlobalStrict, kStoreNamedStrict, kStoreOwnNamed, @@ -75,6 +76,10 @@ inline bool IsKeyedLoadICKind(FeedbackSlotKind kind) { return kind == FeedbackSlotKind::kLoadKeyed; } +inline bool IsKeyedHasICKind(FeedbackSlotKind kind) { + return kind == FeedbackSlotKind::kHasKeyed; +} + inline bool IsStoreGlobalICKind(FeedbackSlotKind kind) { return kind == FeedbackSlotKind::kStoreGlobalSloppy || kind == FeedbackSlotKind::kStoreGlobalStrict; @@ -348,6 +353,10 @@ class V8_EXPORT_PRIVATE FeedbackVectorSpec { return AddSlot(FeedbackSlotKind::kLoadKeyed); } + FeedbackSlot AddKeyedHasICSlot() { + return AddSlot(FeedbackSlotKind::kHasKeyed); + } + FeedbackSlotKind GetStoreICSlot(LanguageMode language_mode) { STATIC_ASSERT(LanguageModeSize == 2); return is_strict(language_mode) ? FeedbackSlotKind::kStoreNamedStrict @@ -596,23 +605,22 @@ class FeedbackNexus final { return vector()->GetLanguageMode(slot()); } - InlineCacheState ic_state() const { return StateFromFeedback(); } - bool IsUninitialized() const { return StateFromFeedback() == UNINITIALIZED; } - bool IsMegamorphic() const { return StateFromFeedback() == MEGAMORPHIC; } - bool IsGeneric() const { return StateFromFeedback() == GENERIC; } + InlineCacheState ic_state() const; + bool IsUninitialized() const { return ic_state() == UNINITIALIZED; } + bool IsMegamorphic() const { return ic_state() == MEGAMORPHIC; } + bool IsGeneric() const { return ic_state() == GENERIC; } void Print(std::ostream& os); // NOLINT // For map-based ICs (load, keyed-load, store, keyed-store). - Map FindFirstMap() const; + Map GetFirstMap() const; - InlineCacheState StateFromFeedback() const; int ExtractMaps(MapHandles* maps) const; MaybeObjectHandle FindHandlerForMap(Handle<Map> map) const; bool FindHandlers(MaybeObjectHandles* code_list, int length = -1) const; bool IsCleared() const { - InlineCacheState state = StateFromFeedback(); + InlineCacheState state = ic_state(); return !FLAG_use_ic || state == UNINITIALIZED || state == PREMONOMORPHIC; } @@ -648,7 +656,7 @@ class FeedbackNexus final { // For KeyedLoad and KeyedStore ICs. IcCheckType GetKeyType() const; - Name FindFirstName() const; + Name GetName() const; // For Call ICs. int GetCallCount(); @@ -671,8 +679,8 @@ class FeedbackNexus final { // For Global Load and Store ICs. void ConfigurePropertyCellMode(Handle<PropertyCell> cell); // Returns false if given combination of indices is not allowed. - bool ConfigureLexicalVarMode(int script_context_index, - int context_slot_index); + bool ConfigureLexicalVarMode(int script_context_index, int context_slot_index, + bool immutable); void ConfigureHandlerMode(const MaybeObjectHandle& handler); // For CloneObject ICs @@ -682,7 +690,8 @@ class FeedbackNexus final { // Bit positions in a smi that encodes lexical environment variable access. #define LEXICAL_MODE_BIT_FIELDS(V, _) \ V(ContextIndexBits, unsigned, 12, _) \ - V(SlotIndexBits, unsigned, 19, _) + V(SlotIndexBits, unsigned, 18, _) \ + V(ImmutabilityBit, bool, 1, _) DEFINE_BIT_FIELDS(LEXICAL_MODE_BIT_FIELDS) #undef LEXICAL_MODE_BIT_FIELDS |