Make concrete classes for individual call descriptors.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 6d920a395da3b1dcc79d1a913f33849ee7226c43..f5a84c5af8d51314069a1fd1d60b7c63ff438583 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2994,11 +2994,11 @@ template <class T>
 void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
   DCHECK(FLAG_vector_ics);
   Register vector = ToRegister(instr->temp_vector());
-  DCHECK(vector.is(FullVectorLoadConvention::VectorRegister()));
+  DCHECK(vector.is(VectorLoadICDescriptor::VectorRegister()));
   __ Move(vector, instr->hydrogen()->feedback_vector());
   // No need to allocate this register.
-  DCHECK(FullVectorLoadConvention::SlotRegister().is(r0));
-  __ mov(FullVectorLoadConvention::SlotRegister(),
+  DCHECK(VectorLoadICDescriptor::SlotRegister().is(r0));
+  __ mov(VectorLoadICDescriptor::SlotRegister(),
          Operand(Smi::FromInt(instr->hydrogen()->slot())));
 }
 
@@ -3006,10 +3006,10 @@ void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->global_object())
-             .is(LoadConvention::ReceiverRegister()));
+             .is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(r0));
 
-  __ mov(LoadConvention::NameRegister(), Operand(instr->name()));
+  __ mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   }
@@ -3128,11 +3128,11 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->object()).is(LoadConvention::ReceiverRegister()));
+  DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(r0));
 
   // Name is always in r2.
-  __ mov(LoadConvention::NameRegister(), Operand(instr->name()));
+  __ mov(LoadDescriptor::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
   }
@@ -3420,8 +3420,8 @@ MemOperand LCodeGen::PrepareKeyedOperand(Register key,
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->object()).is(LoadConvention::ReceiverRegister()));
-  DCHECK(ToRegister(instr->key()).is(LoadConvention::NameRegister()));
+  DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
+  DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister()));
 
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
@@ -3979,7 +3979,7 @@ void LCodeGen::DoCallWithDescriptor(LCallWithDescriptor* instr) {
     Handle<Code> code = Handle<Code>::cast(ToHandle(target));
     generator.BeforeCall(__ CallSize(code, RelocInfo::CODE_TARGET));
     PlatformInterfaceDescriptor* call_descriptor =
-        instr->descriptor()->platform_specific_descriptor();
+        instr->descriptor().platform_specific_descriptor();
     __ Call(code, RelocInfo::CODE_TARGET, TypeFeedbackId::None(), al,
             call_descriptor->storage_mode());
   } else {
@@ -4199,10 +4199,10 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->object()).is(StoreConvention::ReceiverRegister()));
-  DCHECK(ToRegister(instr->value()).is(StoreConvention::ValueRegister()));
+  DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister()));
+  DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
-  __ mov(StoreConvention::NameRegister(), Operand(instr->name()));
+  __ mov(StoreDescriptor::NameRegister(), Operand(instr->name()));
   Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->strict_mode());
   CallCode(ic, RelocInfo::CODE_TARGET, instr, NEVER_INLINE_TARGET_ADDRESS);
 }
@@ -4420,9 +4420,9 @@ void LCodeGen::DoStoreKeyed(LStoreKeyed* instr) {
 
 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->object()).is(StoreConvention::ReceiverRegister()));
-  DCHECK(ToRegister(instr->key()).is(StoreConvention::NameRegister()));
-  DCHECK(ToRegister(instr->value()).is(StoreConvention::ValueRegister()));
+  DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister()));
+  DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister()));
+  DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
   Handle<Code> ic = instr->strict_mode() == STRICT
       ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict()