Use IC register definitions in platform files.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 0392997f313bb8cda70f187bd8bfa9e96dc55589..5071f04b129b735a442263739d327c5627a9d896 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2084,7 +2084,8 @@ LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) {
 
 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* global_object = UseFixed(instr->global_object(), r0);
+  LOperand* global_object = UseFixed(instr->global_object(),
+                                     LoadIC::ReceiverRegister());
   LLoadGlobalGeneric* result =
       new(zone()) LLoadGlobalGeneric(context, global_object);
   return MarkAsCall(DefineFixed(result, r0), instr);
@@ -2138,7 +2139,7 @@ LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) {
 
 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* object = UseFixed(instr->object(), r0);
+  LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
   LInstruction* result =
       DefineFixed(new(zone()) LLoadNamedGeneric(context, object), r0);
   return MarkAsCall(result, instr);
@@ -2198,8 +2199,8 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
 
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* object = UseFixed(instr->object(), r1);
-  LOperand* key = UseFixed(instr->key(), r0);
+  LOperand* object = UseFixed(instr->object(), KeyedLoadIC::ReceiverRegister());
+  LOperand* key = UseFixed(instr->key(), KeyedLoadIC::NameRegister());
 
   LInstruction* result =
       DefineFixed(new(zone()) LLoadKeyedGeneric(context, object, key), r0);