Implement handlified String::Equals and Name::Equals.

src/arm/lithium-codegen-arm.cc

 // Copyright 2012 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 5478 matching lines @@
   }
 }
 
 
 Condition LCodeGen::EmitTypeofIs(Label* true_label,
                                  Label* false_label,
                                  Register input,
                                  Handle<String> type_name) {
   Condition final_branch_condition = kNoCondition;
   Register scratch = scratch0();
-  if (type_name->Equals(heap()->number_string())) {
+  Factory* factory = isolate()->factory();
+  if (String::Equals(type_name, factory->number_string())) {
     __ JumpIfSmi(input, true_label);
     __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
     __ CompareRoot(scratch, Heap::kHeapNumberMapRootIndex);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->string_string())) {
+  } else if (String::Equals(type_name, factory->string_string())) {
     __ JumpIfSmi(input, false_label);
     __ CompareObjectType(input, scratch, no_reg, FIRST_NONSTRING_TYPE);
     __ b(ge, false_label);
     __ ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
     __ tst(scratch, Operand(1 << Map::kIsUndetectable));
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->symbol_string())) {
+  } else if (String::Equals(type_name, factory->symbol_string())) {
     __ JumpIfSmi(input, false_label);
     __ CompareObjectType(input, scratch, no_reg, SYMBOL_TYPE);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->boolean_string())) {
+  } else if (String::Equals(type_name, factory->boolean_string())) {
     __ CompareRoot(input, Heap::kTrueValueRootIndex);
     __ b(eq, true_label);
     __ CompareRoot(input, Heap::kFalseValueRootIndex);
     final_branch_condition = eq;
 
-  } else if (FLAG_harmony_typeof && type_name->Equals(heap()->null_string())) {
+  } else if (FLAG_harmony_typeof &&
+             String::Equals(type_name, factory->null_string())) {
     __ CompareRoot(input, Heap::kNullValueRootIndex);
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->undefined_string())) {
+  } else if (String::Equals(type_name, factory->undefined_string())) {
     __ CompareRoot(input, Heap::kUndefinedValueRootIndex);
     __ b(eq, true_label);
     __ JumpIfSmi(input, false_label);
     // Check for undetectable objects => true.
     __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset));
     __ ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
     __ tst(scratch, Operand(1 << Map::kIsUndetectable));
     final_branch_condition = ne;
 
-  } else if (type_name->Equals(heap()->function_string())) {
+  } else if (String::Equals(type_name, factory->function_string())) {
     STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2);
     Register type_reg = scratch;
     __ JumpIfSmi(input, false_label);
     __ CompareObjectType(input, scratch, type_reg, JS_FUNCTION_TYPE);
     __ b(eq, true_label);
     __ cmp(type_reg, Operand(JS_FUNCTION_PROXY_TYPE));
     final_branch_condition = eq;
 
-  } else if (type_name->Equals(heap()->object_string())) {
+  } else if (String::Equals(type_name, factory->object_string())) {
     Register map = scratch;
     __ JumpIfSmi(input, false_label);
     if (!FLAG_harmony_typeof) {
       __ CompareRoot(input, Heap::kNullValueRootIndex);
       __ b(eq, true_label);
     }
     __ CheckObjectTypeRange(input,
                             map,
                             FIRST_NONCALLABLE_SPEC_OBJECT_TYPE,
                             LAST_NONCALLABLE_SPEC_OBJECT_TYPE,
@@ skipping 304 matching lines @@
   __ ldr(result, FieldMemOperand(scratch,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal