X87: Use IC register definitions in platform files.

src/x87/lithium-x87.cc

Index: src/x87/lithium-x87.cc
diff --git a/src/x87/lithium-x87.cc b/src/x87/lithium-x87.cc
index f580db26db1568033daf7bb2b67d5434ecccb6b8..6b4f5700d95960289ea34391fe6b5dfa3a9f07de 100644
--- a/src/x87/lithium-x87.cc
+++ b/src/x87/lithium-x87.cc
@@ -2071,7 +2071,8 @@ LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) {
 
 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
-  LOperand* global_object = UseFixed(instr->global_object(), edx);
+  LOperand* global_object = UseFixed(instr->global_object(),
+                                     LoadIC::ReceiverRegister());
   LLoadGlobalGeneric* result =
       new(zone()) LLoadGlobalGeneric(context, global_object);
   return MarkAsCall(DefineFixed(result, eax), instr);
@@ -2126,7 +2127,7 @@ LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) {
 
 LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
-  LOperand* object = UseFixed(instr->object(), edx);
+  LOperand* object = UseFixed(instr->object(), LoadIC::ReceiverRegister());
   LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(context, object);
   return MarkAsCall(DefineFixed(result, eax), instr);
 }
@@ -2184,8 +2185,8 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
 
 LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), esi);
-  LOperand* object = UseFixed(instr->object(), edx);
-  LOperand* key = UseFixed(instr->key(), ecx);
+  LOperand* object = UseFixed(instr->object(), KeyedLoadIC::ReceiverRegister());
+  LOperand* key = UseFixed(instr->key(), KeyedLoadIC::NameRegister());
 
   LLoadKeyedGeneric* result =
       new(zone()) LLoadKeyedGeneric(context, object, key);