Removing FLAG_vector_ics.

src/arm64/lithium-codegen-arm64.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"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2004 matching lines @@
     RecordSafepointWithLazyDeopt(instr, RECORD_SIMPLE_SAFEPOINT);
   } else {
     SafepointGenerator generator(this, pointers, Safepoint::kLazyDeopt);
     ParameterCount count(arity);
     ParameterCount expected(formal_parameter_count);
     __ InvokeFunction(function_reg, expected, count, CALL_FUNCTION, generator);
   }
 }
 
 
-void LCodeGen::DoTailCallThroughMegamorphicCache(
-    LTailCallThroughMegamorphicCache* instr) {
-  Register receiver = ToRegister(instr->receiver());
-  Register name = ToRegister(instr->name());
-  DCHECK(receiver.is(LoadDescriptor::ReceiverRegister()));
-  DCHECK(name.is(LoadDescriptor::NameRegister()));
-  DCHECK(receiver.is(x1));
-  DCHECK(name.is(x2));
-  Register scratch = x4;
-  Register extra = x5;
-  Register extra2 = x6;
-  Register extra3 = x7;
-
-  // The probe will tail call to a handler if found.
-  isolate()->stub_cache()->GenerateProbe(
-      masm(), Code::LOAD_IC, instr->hydrogen()->flags(), false, receiver, name,
-      scratch, extra, extra2, extra3);
-
-  // Tail call to miss if we ended up here.
-  LoadIC::GenerateMiss(masm());
-}
-
-
 void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
   DCHECK(instr->IsMarkedAsCall());
   DCHECK(ToRegister(instr->result()).Is(x0));
 
   if (instr->hydrogen()->IsTailCall()) {
     if (NeedsEagerFrame()) __ LeaveFrame(StackFrame::INTERNAL);
 
     if (instr->target()->IsConstantOperand()) {
       LConstantOperand* target = LConstantOperand::cast(instr->target());
       Handle<Code> code = Handle<Code>::cast(ToHandle(target));
@@ skipping 1297 matching lines @@
   // Get the prototype from the initial map.
   __ Ldr(result, FieldMemOperand(result, Map::kPrototypeOffset));
 
   // All done.
   __ Bind(&done);
 }
 
 
 template <class T>
 void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
-  DCHECK(FLAG_vector_ics);
   Register vector_register = ToRegister(instr->temp_vector());
   Register slot_register = VectorLoadICDescriptor::SlotRegister();
   DCHECK(vector_register.is(VectorLoadICDescriptor::VectorRegister()));
   DCHECK(slot_register.is(x0));
 
   AllowDeferredHandleDereference vector_structure_check;
   Handle<TypeFeedbackVector> vector = instr->hydrogen()->feedback_vector();
   __ Mov(vector_register, vector);
   // No need to allocate this register.
   FeedbackVectorICSlot slot = instr->hydrogen()->slot();
   int index = vector->GetIndex(slot);
   __ Mov(slot_register, Smi::FromInt(index));
 }
 
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->global_object())
              .is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).Is(x0));
   __ Mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
-  if (FLAG_vector_ics) {
-    EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
-  }
+  EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode,
                                                        PREMONOMORPHIC).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 MemOperand LCodeGen::PrepareKeyedExternalArrayOperand(
     Register key,
     Register base,
@@ skipping 306 matching lines @@
     __ Load(result, FieldMemOperand(source, offset), access.representation());
   }
 }
 
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   // LoadIC expects name and receiver in registers.
   DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
   __ Mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
-  if (FLAG_vector_ics) {
-    EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
-  }
+  EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
 
   Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(
                         isolate(), NOT_CONTEXTUAL,
                         instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   DCHECK(ToRegister(instr->result()).is(x0));
 }
 
 
@@ skipping 2406 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 
 } }  // namespace v8::internal