Add missing files accidentally left out on last commit.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4844 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/macro-assembler-arm.cc

@@ -1199,6 +1199,21 @@ void MacroAssembler::CheckMap(Register obj,
 }
 
 
+void MacroAssembler::CheckMap(Register obj,
+                              Register scratch,
+                              Heap::RootListIndex index,
+                              Label* fail,
+                              bool is_heap_object) {
+  if (!is_heap_object) {
+    BranchOnSmi(obj, fail);
+  }
+  ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset));
+  LoadRoot(ip, index);
+  cmp(scratch, ip);
+  b(ne, fail);
+}
+
+
 void MacroAssembler::TryGetFunctionPrototype(Register function,
                                              Register result,
                                              Register scratch,

src/arm/macro-assembler-arm.h

@@ -401,15 +401,23 @@ class MacroAssembler: public Assembler {
                            InstanceType type);
 
 
-  // Check if the map of an object is equal to a specified map and
-  // branch to label if not. Skip the smi check if not required
-  // (object is known to be a heap object)
+  // Check if the map of an object is equal to a specified map (either
+  // given directly or as an index into the root list) and branch to
+  // label if not. Skip the smi check if not required (object is known
+  // to be a heap object)
   void CheckMap(Register obj,
                 Register scratch,
                 Handle<Map> map,
                 Label* fail,
                 bool is_heap_object);
 
+  void CheckMap(Register obj,
+                Register scratch,
+                Heap::RootListIndex index,
+                Label* fail,
+                bool is_heap_object);
+
+
   // Load and check the instance type of an object for being a string.
   // Loads the type into the second argument register.
   // Returns a condition that will be enabled if the object was a string.