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

src/arm64/lithium-codegen-arm64.cc

 // Copyright 2013 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 5697 matching lines @@
   CallRuntime(Runtime::kTypeof, 1, instr);
 }
 
 
 void LCodeGen::DoTypeofIsAndBranch(LTypeofIsAndBranch* instr) {
   Handle<String> type_name = instr->type_literal();
   Label* true_label = instr->TrueLabel(chunk_);
   Label* false_label = instr->FalseLabel(chunk_);
   Register value = ToRegister(instr->value());
 
-  if (type_name->Equals(heap()->number_string())) {
+  Factory* factory = isolate()->factory();
+  if (String::Equals(type_name, factory->number_string())) {
     ASSERT(instr->temp1() != NULL);
     Register map = ToRegister(instr->temp1());
 
     __ JumpIfSmi(value, true_label);
     __ Ldr(map, FieldMemOperand(value, HeapObject::kMapOffset));
     __ CompareRoot(map, Heap::kHeapNumberMapRootIndex);
     EmitBranch(instr, eq);
 
-  } else if (type_name->Equals(heap()->string_string())) {
+  } else if (String::Equals(type_name, factory->string_string())) {
     ASSERT((instr->temp1() != NULL) && (instr->temp2() != NULL));
     Register map = ToRegister(instr->temp1());
     Register scratch = ToRegister(instr->temp2());
 
     __ JumpIfSmi(value, false_label);
     __ JumpIfObjectType(
         value, map, scratch, FIRST_NONSTRING_TYPE, false_label, ge);
     __ Ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
     EmitTestAndBranch(instr, eq, scratch, 1 << Map::kIsUndetectable);
 
-  } else if (type_name->Equals(heap()->symbol_string())) {
+  } else if (String::Equals(type_name, factory->symbol_string())) {
     ASSERT((instr->temp1() != NULL) && (instr->temp2() != NULL));
     Register map = ToRegister(instr->temp1());
     Register scratch = ToRegister(instr->temp2());
 
     __ JumpIfSmi(value, false_label);
     __ CompareObjectType(value, map, scratch, SYMBOL_TYPE);
     EmitBranch(instr, eq);
 
-  } else if (type_name->Equals(heap()->boolean_string())) {
+  } else if (String::Equals(type_name, factory->boolean_string())) {
     __ JumpIfRoot(value, Heap::kTrueValueRootIndex, true_label);
     __ CompareRoot(value, Heap::kFalseValueRootIndex);
     EmitBranch(instr, 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(value, Heap::kNullValueRootIndex);
     EmitBranch(instr, eq);
 
-  } else if (type_name->Equals(heap()->undefined_string())) {
+  } else if (String::Equals(type_name, factory->undefined_string())) {
     ASSERT(instr->temp1() != NULL);
     Register scratch = ToRegister(instr->temp1());
 
     __ JumpIfRoot(value, Heap::kUndefinedValueRootIndex, true_label);
     __ JumpIfSmi(value, false_label);
     // Check for undetectable objects and jump to the true branch in this case.
     __ Ldr(scratch, FieldMemOperand(value, HeapObject::kMapOffset));
     __ Ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset));
     EmitTestAndBranch(instr, ne, scratch, 1 << Map::kIsUndetectable);
 
-  } 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);
     ASSERT(instr->temp1() != NULL);
     Register type = ToRegister(instr->temp1());
 
     __ JumpIfSmi(value, false_label);
     __ JumpIfObjectType(value, type, type, JS_FUNCTION_TYPE, true_label);
     // HeapObject's type has been loaded into type register by JumpIfObjectType.
     EmitCompareAndBranch(instr, eq, type, JS_FUNCTION_PROXY_TYPE);
 
-  } else if (type_name->Equals(heap()->object_string())) {
+  } else if (String::Equals(type_name, factory->object_string())) {
     ASSERT((instr->temp1() != NULL) && (instr->temp2() != NULL));
     Register map = ToRegister(instr->temp1());
     Register scratch = ToRegister(instr->temp2());
 
     __ JumpIfSmi(value, false_label);
     if (!FLAG_harmony_typeof) {
       __ JumpIfRoot(value, Heap::kNullValueRootIndex, true_label);
     }
     __ JumpIfObjectType(value, map, scratch,
                         FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, false_label, lt);
@@ skipping 137 matching lines @@
   __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset));
   // Index is equal to negated out of object property index plus 1.
   __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Ldr(result, FieldMemOperand(result,
                                  FixedArray::kHeaderSize - kPointerSize));
   __ Bind(deferred->exit());
   __ Bind(&done);
 }
 
 } }  // namespace v8::internal