[crankshaft] Remove HStoreKeyedGeneric and use HCallWithDescriptor instead to call KeyedStoreIC.

src/crankshaft/x64/lithium-x64.cc

Index: src/crankshaft/x64/lithium-x64.cc
diff --git a/src/crankshaft/x64/lithium-x64.cc b/src/crankshaft/x64/lithium-x64.cc
index 7032c712ca536d16121aafc69e35923c469a8b5e..06b5052a62965023390bf340532a39cad3574b01 100644
--- a/src/crankshaft/x64/lithium-x64.cc
+++ b/src/crankshaft/x64/lithium-x64.cc
@@ -380,15 +380,6 @@ void LStoreKeyed::PrintDataTo(StringStream* stream) {
 }
 
 
-void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) {
-  object()->PrintTo(stream);
-  stream->Add("[");
-  key()->PrintTo(stream);
-  stream->Add("] <- ");
-  value()->PrintTo(stream);
-}
-
-
 void LTransitionElementsKind::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   stream->Add(" %p -> %p", *original_map(), *transitioned_map());
@@ -2214,26 +2205,6 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LOperand* object =
-      UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
-  LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister());
-  LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
-
-  DCHECK(instr->object()->representation().IsTagged());
-  DCHECK(instr->key()->representation().IsTagged());
-  DCHECK(instr->value()->representation().IsTagged());
-
-  LOperand* slot = FixedTemp(StoreWithVectorDescriptor::SlotRegister());
-  LOperand* vector = FixedTemp(StoreWithVectorDescriptor::VectorRegister());
-
-  LStoreKeyedGeneric* result = new (zone())
-      LStoreKeyedGeneric(context, object, key, value, slot, vector);
-  return MarkAsCall(result, instr);
-}
-
-
 LInstruction* LChunkBuilder::DoTransitionElementsKind(
     HTransitionElementsKind* instr) {
   if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) {