MIPS: Remove unused StubType's, freeing 2 bits in Code objects.

src/mips/stub-cache-mips.cc

Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index 437d76923625e92f7030bd6550882adf2e8229c8..921a47c27d61fe8cb2c830eee31299b0455a8aca 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -1637,7 +1637,7 @@ Handle<Code> CallStubCompiler::CompileCallField(Handle<JSObject> object,
   GenerateMissBranch();
 
   // Return the generated code.
-  return GetCode(Code::FIELD, name);
+  return GetCode(Code::FAST, name);
 }
 
 
@@ -2691,7 +2691,7 @@ Handle<Code> CallStubCompiler::CompileCallConstant(
     Handle<Code> code = CompileCustomCall(object, holder,
                                           Handle<Cell>::null(),
                                           function, Handle<String>::cast(name),
-                                          Code::CONSTANT);
+                                          Code::FAST);
     // A null handle means bail out to the regular compiler code below.
     if (!code.is_null()) return code;
   }
@@ -2740,7 +2740,7 @@ Handle<Code> CallStubCompiler::CompileCallInterceptor(Handle<JSObject> object,
   GenerateMissBranch();
 
   // Return the generated code.
-  return GetCode(Code::INTERCEPTOR, name);
+  return GetCode(Code::FAST, name);
 }
 
 
@@ -2828,7 +2828,7 @@ Handle<Code> StoreStubCompiler::CompileStoreCallback(
   __ TailCallExternalReference(store_callback_property, 4, 1);
 
   // Return the generated code.
-  return GetCode(kind(), Code::CALLBACKS, name);
+  return GetCode(kind(), Code::FAST, name);
 }
 
 
@@ -2844,7 +2844,7 @@ Handle<Code> StoreStubCompiler::CompileStoreCallback(
       masm(), call_optimization, receiver(), scratch3(), 1, values);
 
   // Return the generated code.
-  return GetCode(kind(), Code::CALLBACKS, name);
+  return GetCode(kind(), Code::FAST, name);
 }
 
 
@@ -2928,7 +2928,7 @@ Handle<Code> StoreStubCompiler::CompileStoreInterceptor(
   TailCallBuiltin(masm(), MissBuiltin(kind()));
 
   // Return the generated code.
-  return GetCode(kind(), Code::INTERCEPTOR, name);
+  return GetCode(kind(), Code::FAST, name);
 }
 
 
@@ -2944,7 +2944,7 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(
   __ Ret();
 
   // Return the generated code.
-  return GetCode(kind(), Code::NONEXISTENT, name);
+  return GetCode(kind(), Code::FAST, name);
 }