X87: Remove keyed_store_calling convention and friends

port r22706.

original commit message:
  Remove keyed_store_calling convention and friends

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/431263003

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22775 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x87/ic-x87.cc

@@ -990,21 +990,6 @@ const Register StoreIC::NameRegister() { return ecx; }
 const Register StoreIC::ValueRegister() { return eax; }
 
 
-const Register KeyedStoreIC::ReceiverRegister() {
-  return StoreIC::ReceiverRegister();
-}
-
-
-const Register KeyedStoreIC::NameRegister() {
-  return StoreIC::NameRegister();
-}
-
-
-const Register KeyedStoreIC::ValueRegister() {
-  return StoreIC::ValueRegister();
-}
-
-
 const Register KeyedStoreIC::MapRegister() {
   return ebx;
 }

src/x87/stub-cache-x87.cc

@@ -1195,21 +1195,12 @@ Register* PropertyAccessCompiler::store_calling_convention() {
   // receiver, name, scratch1, scratch2, scratch3.
   Register receiver = StoreIC::ReceiverRegister();
   Register name = StoreIC::NameRegister();
+  ASSERT(ebx.is(KeyedStoreIC::MapRegister()));
   static Register registers[] = { receiver, name, ebx, edi, no_reg };
   return registers;
 }
 
 
-Register* PropertyAccessCompiler::keyed_store_calling_convention() {
-  // receiver, name, scratch1/map, scratch2, scratch3.
-  Register receiver = KeyedStoreIC::ReceiverRegister();
-  Register name = KeyedStoreIC::NameRegister();
-  Register map = KeyedStoreIC::MapRegister();
-  static Register registers[] = { receiver, name, map, edi, no_reg };
-  return registers;
-}
-
-
 Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); }