Eliminate code duplication in lithium calls to vector-based LoadICs

src/arm64/lithium-codegen-arm64.cc

Index: src/arm64/lithium-codegen-arm64.cc
diff --git a/src/arm64/lithium-codegen-arm64.cc b/src/arm64/lithium-codegen-arm64.cc
index 195d99dc7b77c42dd32ea84a69b3d59759909203..b5fef7e966a0a907387247d2ebd893132a955621 100644
--- a/src/arm64/lithium-codegen-arm64.cc
+++ b/src/arm64/lithium-codegen-arm64.cc
@@ -3344,19 +3344,25 @@ void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
 }
 
 
+template <class T>
+void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
+  DCHECK(FLAG_vector_ics);
+  Register vector = ToRegister(instr->temp_vector());
+  DCHECK(vector.is(LoadIC::VectorRegister()));
+  __ Mov(vector, instr->hydrogen()->feedback_vector());
+  // No need to allocate this register.
+  DCHECK(LoadIC::SlotRegister().is(x0));
+  __ Mov(LoadIC::SlotRegister(), Smi::FromInt(instr->hydrogen()->slot()));
+}
+
+
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).Is(x0));
   __ Mov(LoadIC::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
-    Register vector = ToRegister(instr->temp_vector());
-    DCHECK(vector.is(LoadIC::VectorRegister()));
-    __ Mov(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(x0));
-    __ Mov(LoadIC::SlotRegister(),
-           Smi::FromInt(instr->hydrogen()->slot()));
+    EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
@@ -3611,13 +3617,7 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   DCHECK(ToRegister(instr->key()).is(LoadIC::NameRegister()));
   if (FLAG_vector_ics) {
-    Register vector = ToRegister(instr->temp_vector());
-    DCHECK(vector.is(LoadIC::VectorRegister()));
-    __ Mov(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(x0));
-    __ Mov(LoadIC::SlotRegister(),
-           Smi::FromInt(instr->hydrogen()->slot()));
+    EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
   }
 
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
@@ -3673,13 +3673,7 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   __ Mov(LoadIC::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
-    Register vector = ToRegister(instr->temp_vector());
-    DCHECK(vector.is(LoadIC::VectorRegister()));
-    __ Mov(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(x0));
-    __ Mov(LoadIC::SlotRegister(),
-           Smi::FromInt(instr->hydrogen()->slot()));
+    EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
   }
 
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);