Add instanceof stub for ARM.

src/arm/builtins-arm.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 46 matching lines @@
   //  -- r1     : constructor function
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
 
   Label non_function_call;
   // Check that the function is not a smi.
   __ tst(r1, Operand(kSmiTagMask));
   __ b(eq, &non_function_call);
   // Check that the function is a JSFunction.
-  __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
-  __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
-  __ cmp(r2, Operand(JS_FUNCTION_TYPE));
+  __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
   __ b(ne, &non_function_call);
 
   // Enter a construct frame.
   __ EnterConstructFrame();
 
   // Preserve the two incoming parameters
   __ mov(r0, Operand(r0, LSL, kSmiTagSize));
   __ push(r0);  // smi-tagged arguments count
   __ push(r1);  // constructor function
 
@@ skipping 72 matching lines @@
   // If the result is a smi, it is *not* an object in the ECMA sense.
   // r0: result
   // sp[0]: receiver (newly allocated object)
   // sp[1]: constructor function
   // sp[2]: number of arguments (smi-tagged)
   __ tst(r0, Operand(kSmiTagMask));
   __ b(eq, &use_receiver);
 
   // If the type of the result (stored in its map) is less than
   // FIRST_JS_OBJECT_TYPE, it is not an object in the ECMA sense.
-  __ ldr(r3, FieldMemOperand(r0, HeapObject::kMapOffset));
-  __ ldrb(r3, FieldMemOperand(r3, Map::kInstanceTypeOffset));
-  __ cmp(r3, Operand(FIRST_JS_OBJECT_TYPE));
+  __ CompareObjectType(r0, r3, r3, FIRST_JS_OBJECT_TYPE);
   __ b(ge, &exit);
 
   // Throw away the result of the constructor invocation and use the
   // on-stack receiver as the result.
   __ bind(&use_receiver);
   __ ldr(r0, MemOperand(sp));
 
   // Remove receiver from the stack, remove caller arguments, and
   // return.
   __ bind(&exit);
@@ skipping 108 matching lines @@
     __ add(r0, r0, Operand(1));
     __ bind(&done);
   }
 
   // 2. Get the function to call from the stack.
   // r0: actual number of argument
   { Label done, non_function, function;
     __ ldr(r1, MemOperand(sp, r0, LSL, kPointerSizeLog2));
     __ tst(r1, Operand(kSmiTagMask));
     __ b(eq, &non_function);
-    __ ldr(r2, FieldMemOperand(r1, HeapObject::kMapOffset));
-    __ ldrb(r2, FieldMemOperand(r2, Map::kInstanceTypeOffset));
-    __ cmp(r2, Operand(JS_FUNCTION_TYPE));
+    __ CompareObjectType(r1, r2, r2, JS_FUNCTION_TYPE);
     __ b(eq, &function);
 
     // Non-function called: Clear the function to force exception.
     __ bind(&non_function);
     __ mov(r1, Operand(0));
     __ b(&done);
 
     // Change the context eagerly because it will be used below to get the
     // right global object.
     __ bind(&function);
@@ skipping 15 matching lines @@
     __ tst(r2, Operand(kSmiTagMask));
     __ b(eq, &call_to_object);
 
     __ mov(r3, Operand(Factory::null_value()));
     __ cmp(r2, r3);
     __ b(eq, &use_global_receiver);
     __ mov(r3, Operand(Factory::undefined_value()));
     __ cmp(r2, r3);
     __ b(eq, &use_global_receiver);
 
-    __ ldr(r3, FieldMemOperand(r2, HeapObject::kMapOffset));
-    __ ldrb(r3, FieldMemOperand(r3, Map::kInstanceTypeOffset));
-    __ cmp(r3, Operand(FIRST_JS_OBJECT_TYPE));
+    __ CompareObjectType(r2, r3, r3, FIRST_JS_OBJECT_TYPE);
     __ b(lt, &call_to_object);
     __ cmp(r3, Operand(LAST_JS_OBJECT_TYPE));
     __ b(le, &done);
 
     __ bind(&call_to_object);
     __ EnterInternalFrame();
 
     // Store number of arguments and function across the call into the runtime.
     __ mov(r0, Operand(r0, LSL, kSmiTagSize));
     __ push(r0);
@@ skipping 150 matching lines @@
   __ b(eq, &call_to_object);
   __ mov(r1, Operand(Factory::null_value()));
   __ cmp(r0, r1);
   __ b(eq, &use_global_receiver);
   __ mov(r1, Operand(Factory::undefined_value()));
   __ cmp(r0, r1);
   __ b(eq, &use_global_receiver);
 
   // Check if the receiver is already a JavaScript object.
   // r0: receiver
-  __ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset));
-  __ ldrb(r1, FieldMemOperand(r1, Map::kInstanceTypeOffset));
-  __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE));
+  __ CompareObjectType(r0, r1, r1, FIRST_JS_OBJECT_TYPE);
   __ b(lt, &call_to_object);
   __ cmp(r1, Operand(LAST_JS_OBJECT_TYPE));
   __ b(le, &push_receiver);
 
   // Convert the receiver to a regular object.
   // r0: receiver
   __ bind(&call_to_object);
   __ push(r0);
   __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_JS);
   __ b(&push_receiver);
@@ skipping 174 matching lines @@
   // Dont adapt arguments.
   // -------------------------------------------
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal