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

src/ia32/full-codegen-ia32.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 4518 matching lines @@
   Label* if_false = NULL;
   Label* fall_through = NULL;
   context()->PrepareTest(&materialize_true, &materialize_false,
                          &if_true, &if_false, &fall_through);
 
   { AccumulatorValueContext context(this);
     VisitForTypeofValue(sub_expr);
   }
   PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
 
-  if (check->Equals(isolate()->heap()->number_string())) {
+  Factory* factory = isolate()->factory();
+  if (String::Equals(check, factory->number_string())) {
     __ JumpIfSmi(eax, if_true);
     __ cmp(FieldOperand(eax, HeapObject::kMapOffset),
            isolate()->factory()->heap_number_map());
     Split(equal, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->string_string())) {
+  } else if (String::Equals(check, factory->string_string())) {
     __ JumpIfSmi(eax, if_false);
     __ CmpObjectType(eax, FIRST_NONSTRING_TYPE, edx);
     __ j(above_equal, if_false);
     // Check for undetectable objects => false.
     __ test_b(FieldOperand(edx, Map::kBitFieldOffset),
               1 << Map::kIsUndetectable);
     Split(zero, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->symbol_string())) {
+  } else if (String::Equals(check, factory->symbol_string())) {
     __ JumpIfSmi(eax, if_false);
     __ CmpObjectType(eax, SYMBOL_TYPE, edx);
     Split(equal, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->boolean_string())) {
+  } else if (String::Equals(check, factory->boolean_string())) {
     __ cmp(eax, isolate()->factory()->true_value());
     __ j(equal, if_true);
     __ cmp(eax, isolate()->factory()->false_value());
     Split(equal, if_true, if_false, fall_through);
   } else if (FLAG_harmony_typeof &&
-             check->Equals(isolate()->heap()->null_string())) {
+             String::Equals(check, factory->null_string())) {
     __ cmp(eax, isolate()->factory()->null_value());
     Split(equal, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->undefined_string())) {
+  } else if (String::Equals(check, factory->undefined_string())) {
     __ cmp(eax, isolate()->factory()->undefined_value());
     __ j(equal, if_true);
     __ JumpIfSmi(eax, if_false);
     // Check for undetectable objects => true.
     __ mov(edx, FieldOperand(eax, HeapObject::kMapOffset));
     __ movzx_b(ecx, FieldOperand(edx, Map::kBitFieldOffset));
     __ test(ecx, Immediate(1 << Map::kIsUndetectable));
     Split(not_zero, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->function_string())) {
+  } else if (String::Equals(check, factory->function_string())) {
     __ JumpIfSmi(eax, if_false);
     STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2);
     __ CmpObjectType(eax, JS_FUNCTION_TYPE, edx);
     __ j(equal, if_true);
     __ CmpInstanceType(edx, JS_FUNCTION_PROXY_TYPE);
     Split(equal, if_true, if_false, fall_through);
-  } else if (check->Equals(isolate()->heap()->object_string())) {
+  } else if (String::Equals(check, factory->object_string())) {
     __ JumpIfSmi(eax, if_false);
     if (!FLAG_harmony_typeof) {
       __ cmp(eax, isolate()->factory()->null_value());
       __ j(equal, if_true);
     }
     __ CmpObjectType(eax, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, edx);
     __ j(below, if_false);
     __ CmpInstanceType(edx, LAST_NONCALLABLE_SPEC_OBJECT_TYPE);
     __ j(above, if_false);
     // Check for undetectable objects => false.
@@ skipping 326 matching lines @@
   ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32