Eliminate code duplication in lithium calls to vector-based LoadICs

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-stubs.h"
 #include "src/hydrogen-osr.h"
@@ skipping 2828 matching lines @@
 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
   Register result = ToRegister(instr->result());
   __ LoadGlobalCell(result, instr->hydrogen()->cell().handle());
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
     DeoptimizeIf(equal, instr->environment());
   }
 }
 
 
+template <class T>
+void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
+  DCHECK(FLAG_vector_ics);
+  Register vector = ToRegister(instr->temp_vector());
+  DCHECK(vector.is(LoadIC::VectorRegister()));
+  __ Move(vector, instr->hydrogen()->feedback_vector());
+  // No need to allocate this register.
+  DCHECK(LoadIC::SlotRegister().is(rax));
+  __ Move(LoadIC::SlotRegister(), Smi::FromInt(instr->hydrogen()->slot()));
+}
+
+
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   DCHECK(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(rax));
 
   __ Move(LoadIC::NameRegister(), instr->name());
   if (FLAG_vector_ics) {
-    Register vector = ToRegister(instr->temp_vector());
-    DCHECK(vector.is(LoadIC::VectorRegister()));
-    __ Move(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(rax));
-    __ Move(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);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
   Register value = ToRegister(instr->value());
   Handle<Cell> cell_handle = instr->hydrogen()->cell().handle();
@@ skipping 122 matching lines @@
 }
 
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   DCHECK(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(rax));
 
   __ Move(LoadIC::NameRegister(), instr->name());
   if (FLAG_vector_ics) {
-    Register vector = ToRegister(instr->temp_vector());
-    DCHECK(vector.is(LoadIC::VectorRegister()));
-    __ Move(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(rax));
-    __ Move(LoadIC::SlotRegister(), Smi::FromInt(instr->hydrogen()->slot()));
+    EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
   }
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
   Register function = ToRegister(instr->function());
   Register result = ToRegister(instr->result());
 
@@ skipping 262 matching lines @@
   }
 }
 
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(rsi));
   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()));
-    __ Move(vector, instr->hydrogen()->feedback_vector());
-    // No need to allocate this register.
-    DCHECK(LoadIC::SlotRegister().is(rax));
-    __ Move(LoadIC::SlotRegister(), Smi::FromInt(instr->hydrogen()->slot()));
+    EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
   }
 
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
   Register result = ToRegister(instr->result());
 
@@ skipping 2543 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64