Make concrete classes for individual call descriptors.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 2bcb49133256fe116e006ce16ddd6bdf449e2d4e..6b123e630d94c960924731822e3d8e1e4d396584 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1102,14 +1102,14 @@ LInstruction* LChunkBuilder::DoCallJSFunction(
 
 LInstruction* LChunkBuilder::DoCallWithDescriptor(
     HCallWithDescriptor* instr) {
-  const CallInterfaceDescriptor* descriptor = instr->descriptor();
+  CallInterfaceDescriptor descriptor = instr->descriptor();
 
   LOperand* target = UseRegisterOrConstantAtStart(instr->target());
   ZoneList<LOperand*> ops(instr->OperandCount(), zone());
   ops.Add(target, zone());
   for (int i = 1; i < instr->OperandCount(); i++) {
-    LOperand* op = UseFixed(instr->OperandAt(i),
-        descriptor->GetParameterRegister(i - 1));
+    LOperand* op =
+        UseFixed(instr->OperandAt(i), descriptor.GetParameterRegister(i - 1));
     ops.Add(op, zone());
   }
 
@@ -2058,10 +2058,10 @@ LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) {
 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* global_object =
-      UseFixed(instr->global_object(), LoadConvention::ReceiverRegister());
+      UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister());
   LOperand* vector = NULL;
   if (FLAG_vector_ics) {
-    vector = FixedTemp(FullVectorLoadConvention::VectorRegister());
+    vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
   }
 
   LLoadGlobalGeneric* result =
@@ -2131,10 +2131,10 @@ LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) {
 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* object =
-      UseFixed(instr->object(), LoadConvention::ReceiverRegister());
+      UseFixed(instr->object(), LoadDescriptor::ReceiverRegister());
   LOperand* vector = NULL;
   if (FLAG_vector_ics) {
-    vector = FixedTemp(FullVectorLoadConvention::VectorRegister());
+    vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
   }
   LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(
       context, object, vector);
@@ -2223,11 +2223,11 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* object =
-      UseFixed(instr->object(), LoadConvention::ReceiverRegister());
-  LOperand* key = UseFixed(instr->key(), LoadConvention::NameRegister());
+      UseFixed(instr->object(), LoadDescriptor::ReceiverRegister());
+  LOperand* key = UseFixed(instr->key(), LoadDescriptor::NameRegister());
   LOperand* vector = NULL;
   if (FLAG_vector_ics) {
-    vector = FixedTemp(FullVectorLoadConvention::VectorRegister());
+    vector = FixedTemp(VectorLoadICDescriptor::VectorRegister());
   }
 
   LLoadKeyedGeneric* result =
@@ -2305,9 +2305,9 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) {
 LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* object =
-      UseFixed(instr->object(), StoreConvention::ReceiverRegister());
-  LOperand* key = UseFixed(instr->key(), StoreConvention::NameRegister());
-  LOperand* value = UseFixed(instr->value(), StoreConvention::ValueRegister());
+      UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
+  LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister());
+  LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
 
   DCHECK(instr->object()->representation().IsTagged());
   DCHECK(instr->key()->representation().IsTagged());
@@ -2403,8 +2403,8 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
 LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), rsi);
   LOperand* object =
-      UseFixed(instr->object(), StoreConvention::ReceiverRegister());
-  LOperand* value = UseFixed(instr->value(), StoreConvention::ValueRegister());
+      UseFixed(instr->object(), StoreDescriptor::ReceiverRegister());
+  LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister());
 
   LStoreNamedGeneric* result =
       new(zone()) LStoreNamedGeneric(context, object, value);