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Unified Diff: src/ic/handler-configuration-inl.h

Issue 2446983002: [ic] Support negative lookup on receiver in data handlers. (Closed)
Patch Set: Addressing comments Created 4 years, 2 months ago
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Index: src/ic/handler-configuration-inl.h
diff --git a/src/ic/handler-configuration-inl.h b/src/ic/handler-configuration-inl.h
index 832a5e4f7abc9e96700e8895ce9fd54007a404e9..c794a3ce6bb22dba2507674414657e8b7ad15496 100644
--- a/src/ic/handler-configuration-inl.h
+++ b/src/ic/handler-configuration-inl.h
@@ -29,6 +29,17 @@ Handle<Object> LoadHandler::LoadConstant(Isolate* isolate, int descriptor) {
return handle(Smi::FromInt(config), isolate);
}
+Handle<Object> LoadHandler::EnableNegativeLookupOnReceiver(
+ Isolate* isolate, Handle<Object> smi_handler) {
+ int config = Smi::cast(*smi_handler)->value();
+#ifdef DEBUG
+ Kind kind = KindBits::decode(config);
+ DCHECK(kind == kForFields || kind == kForConstants);
+#endif
+ config = DoNegativeLookupOnReceiverBits::update(config, true);
+ return handle(Smi::FromInt(config), isolate);
+}
+
Handle<Object> LoadHandler::LoadElement(Isolate* isolate,
ElementsKind elements_kind,
bool convert_hole_to_undefined,
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