Intrinsic version of Object.runtimeType

runtime/vm/assembler_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/cpu.h"
@@ skipping 2999 matching lines @@
   // Untag optimistically. Tag bit is shifted into the CARRY.
   SmiUntag(object);
   j(NOT_CARRY, is_smi, kNearJump);
   // Load cid: can't use LoadClassId, object is untagged. Use TIMES_2 scale
   // factor in the addressing mode to compensate for this.
   movzxw(scratch, Address(object, TIMES_2, class_id_offset));
   cmpl(scratch, Immediate(class_id));
 }
 
 
-void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
+void Assembler::LoadClassIdMayBeSmi(Register result, Register object) {
   ASSERT(result != object);
   static const intptr_t kSmiCidSource = kSmiCid << RawObject::kClassIdTagPos;
 
   // Make a dummy "Object" whose cid is kSmiCid.
   movl(result, Immediate(reinterpret_cast<int32_t>(&kSmiCidSource) + 1));
 
   // Check if object (in tmp) is a Smi.
   testl(object, Immediate(kSmiTagMask));
 
   // If the object is not a Smi, use the original object to load the cid.
   // Otherwise, the dummy object is used, and the result is kSmiCid.
   cmovne(result, object);
   LoadClassId(result, result);
+}
 
+
+void Assembler::LoadTaggedClassIdMayBeSmi(Register result, Register object) {
+  LoadClassIdMayBeSmi(result, object);
   // Tag the result.
   SmiTag(result);
 }
 
 
 void Assembler::ComputeRange(Register result,
                              Register value,
                              Register lo_temp,
                              Register hi_temp,
                              Label* not_mint) {
@@ skipping 101 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32