VectorICs: Remove --vector-stores flag.

src/full-codegen/arm64/full-codegen-arm64.cc

Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index 717d65635b38d4b25a5fef07bb9040e3ab006654..6cd879176faab4d4e4c858f66dc14272272dfc6b 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -1235,7 +1235,7 @@ void FullCodeGenerator::EmitSetHomeObject(Expression* initializer, int offset,
   __ Mov(StoreDescriptor::NameRegister(),
          Operand(isolate()->factory()->home_object_symbol()));
   __ Peek(StoreDescriptor::ValueRegister(), offset * kPointerSize);
-  if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
+  EmitLoadStoreICSlot(slot);
   CallStoreIC();
 }
 
@@ -1248,7 +1248,7 @@ void FullCodeGenerator::EmitSetHomeObjectAccumulator(Expression* initializer,
   __ Mov(StoreDescriptor::NameRegister(),
          Operand(isolate()->factory()->home_object_symbol()));
   __ Peek(StoreDescriptor::ValueRegister(), offset * kPointerSize);
-  if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
+  EmitLoadStoreICSlot(slot);
   CallStoreIC();
 }
 
@@ -1563,12 +1563,8 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
             DCHECK(StoreDescriptor::ValueRegister().is(x0));
             __ Mov(StoreDescriptor::NameRegister(), Operand(key->value()));
             __ Peek(StoreDescriptor::ReceiverRegister(), 0);
-            if (FLAG_vector_stores) {
-              EmitLoadStoreICSlot(property->GetSlot(0));
-              CallStoreIC();
-            } else {
-              CallStoreIC(key->LiteralFeedbackId());
-            }
+            EmitLoadStoreICSlot(property->GetSlot(0));
+            CallStoreIC();
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
 
             if (NeedsHomeObject(value)) {
@@ -1760,27 +1756,12 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
     }
     VisitForAccumulatorValue(subexpr);
 
-    if (FLAG_vector_stores) {
-      __ Mov(StoreDescriptor::NameRegister(), Smi::FromInt(array_index));
-      __ Peek(StoreDescriptor::ReceiverRegister(), kPointerSize);
-      EmitLoadStoreICSlot(expr->LiteralFeedbackSlot());
-      Handle<Code> ic =
-          CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
-      CallIC(ic);
-    } else if (has_fast_elements) {
-      int offset = FixedArray::kHeaderSize + (array_index * kPointerSize);
-      __ Peek(x6, kPointerSize);  // Copy of array literal.
-      __ Ldr(x1, FieldMemOperand(x6, JSObject::kElementsOffset));
-      __ Str(result_register(), FieldMemOperand(x1, offset));
-      // Update the write barrier for the array store.
-      __ RecordWriteField(x1, offset, result_register(), x10,
-                          kLRHasBeenSaved, kDontSaveFPRegs,
-                          EMIT_REMEMBERED_SET, INLINE_SMI_CHECK);
-    } else {
-      __ Mov(x3, Smi::FromInt(array_index));
-      StoreArrayLiteralElementStub stub(isolate());
-      __ CallStub(&stub);
-    }
+    __ Mov(StoreDescriptor::NameRegister(), Smi::FromInt(array_index));
+    __ Peek(StoreDescriptor::ReceiverRegister(), kPointerSize);
+    EmitLoadStoreICSlot(expr->LiteralFeedbackSlot());
+    Handle<Code> ic =
+        CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
+    CallIC(ic);
 
     PrepareForBailoutForId(expr->GetIdForElement(array_index), NO_REGISTERS);
   }
@@ -2209,7 +2190,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
       __ Pop(StoreDescriptor::ValueRegister());  // Restore value.
       __ Mov(StoreDescriptor::NameRegister(),
              Operand(prop->key()->AsLiteral()->value()));
-      if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
+      EmitLoadStoreICSlot(slot);
       CallStoreIC();
       break;
     }
@@ -2257,7 +2238,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
       __ Mov(StoreDescriptor::NameRegister(), x0);
       __ Pop(StoreDescriptor::ReceiverRegister(),
              StoreDescriptor::ValueRegister());
-      if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
+      EmitLoadStoreICSlot(slot);
       Handle<Code> ic =
           CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
       CallIC(ic);
@@ -2288,7 +2269,7 @@ void FullCodeGenerator::EmitVariableAssignment(Variable* var, Token::Value op,
     // Global var, const, or let.
     __ Mov(StoreDescriptor::NameRegister(), Operand(var->name()));
     __ Ldr(StoreDescriptor::ReceiverRegister(), GlobalObjectMemOperand());
-    if (FLAG_vector_stores) EmitLoadStoreICSlot(slot);
+    EmitLoadStoreICSlot(slot);
     CallStoreIC();
 
   } else if (var->mode() == LET && op != Token::INIT) {
@@ -2395,12 +2376,8 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
   __ Mov(StoreDescriptor::NameRegister(),
          Operand(prop->key()->AsLiteral()->value()));
   __ Pop(StoreDescriptor::ReceiverRegister());
-  if (FLAG_vector_stores) {
-    EmitLoadStoreICSlot(expr->AssignmentSlot());
-    CallStoreIC();
-  } else {
-    CallStoreIC(expr->AssignmentFeedbackId());
-  }
+  EmitLoadStoreICSlot(expr->AssignmentSlot());
+  CallStoreIC();
 
   PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
   context()->Plug(x0);
@@ -2447,12 +2424,8 @@ void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
 
   Handle<Code> ic =
       CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
-  if (FLAG_vector_stores) {
-    EmitLoadStoreICSlot(expr->AssignmentSlot());
-    CallIC(ic);
-  } else {
-    CallIC(ic, expr->AssignmentFeedbackId());
-  }
+  EmitLoadStoreICSlot(expr->AssignmentSlot());
+  CallIC(ic);
 
   PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
   context()->Plug(x0);
@@ -4299,12 +4272,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
       __ Mov(StoreDescriptor::NameRegister(),
              Operand(prop->key()->AsLiteral()->value()));
       __ Pop(StoreDescriptor::ReceiverRegister());
-      if (FLAG_vector_stores) {
-        EmitLoadStoreICSlot(expr->CountSlot());
-        CallStoreIC();
-      } else {
-        CallStoreIC(expr->CountStoreFeedbackId());
-      }
+      EmitLoadStoreICSlot(expr->CountSlot());
+      CallStoreIC();
       PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
       if (expr->is_postfix()) {
         if (!context()->IsEffect()) {
@@ -4342,12 +4311,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
       __ Pop(StoreDescriptor::ReceiverRegister());
       Handle<Code> ic =
           CodeFactory::KeyedStoreIC(isolate(), language_mode()).code();
-      if (FLAG_vector_stores) {
-        EmitLoadStoreICSlot(expr->CountSlot());
-        CallIC(ic);
-      } else {
-        CallIC(ic, expr->CountStoreFeedbackId());
-      }
+      EmitLoadStoreICSlot(expr->CountSlot());
+      CallIC(ic);
       PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
       if (expr->is_postfix()) {
         if (!context()->IsEffect()) {
@@ -4977,7 +4942,7 @@ void FullCodeGenerator::ClearPendingMessage() {
 
 
 void FullCodeGenerator::EmitLoadStoreICSlot(FeedbackVectorSlot slot) {
-  DCHECK(FLAG_vector_stores && !slot.IsInvalid());
+  DCHECK(!slot.IsInvalid());
   __ Mov(VectorStoreICTrampolineDescriptor::SlotRegister(), SmiFromSlot(slot));
 }