X87: Now that vector ics are established for load, keyed load and call ics, let's remove dead code …

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index cee37cf1c24f1a974d3a0da878e7712bfbfb4a1e..ca4291718243bf547453605f423559b3d41494a4 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -3144,7 +3144,6 @@ void LCodeGen::DoReturn(LReturn* instr) {
 
 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()));
@@ -3167,9 +3166,7 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   DCHECK(ToRegister(instr->result()).is(eax));
 
   __ mov(LoadDescriptor::NameRegister(), 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();
@@ -3280,9 +3277,7 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->result()).is(eax));
 
   __ mov(LoadDescriptor::NameRegister(), 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();
@@ -3751,27 +3746,6 @@ void LCodeGen::CallKnownFunction(Handle<JSFunction> function,
 }
 
 
-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()));
-  Register scratch = ebx;
-  Register extra = edi;
-  DCHECK(!scratch.is(receiver) && !scratch.is(name));
-  DCHECK(!extra.is(receiver) && !extra.is(name));
-
-  // The probe will tail call to a handler if found.
-  // If --vector-ics is on, then it knows to pop the two args first.
-  isolate()->stub_cache()->GenerateProbe(masm(), Code::LOAD_IC,
-                                         instr->hydrogen()->flags(), false,
-                                         receiver, name, scratch, extra);
-
-  LoadIC::GenerateMiss(masm());
-}
-
-
 void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
   DCHECK(ToRegister(instr->result()).is(eax));