Implement LoadVMField, StoreVMField, AllocateObjectWithBoundsCheck, InstantiateTypeArguments on ia3…

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2012, 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"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 803 matching lines @@
                                 try_index(),
                                 kAllocateObjectWithBoundsCheckRuntimeEntry);
   // Pop instantiator type arguments, type arguments, class, and
   // source location.
   __ Drop(4);
   __ popq(result);  // Pop new instance.
 }
 
 
 LocationSummary* LoadVMFieldComp::MakeLocationSummary() const {
-  return LocationSummary::Make(1, Location::RequiresRegister());
+  return LocationSummary::Make(1, Location::SameAsFirstInput());
 }
 
 
 void LoadVMFieldComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register obj = locs()->in(0).reg();
   Register result = locs()->out().reg();
 
   __ movq(result, FieldAddress(obj, offset_in_bytes()));
 }
 
@@ skipping 43 matching lines @@
   // Instantiate non-null type arguments.
   if (type_arguments().IsUninstantiatedIdentity()) {
     Label type_arguments_uninstantiated;
     // Check if the instantiator type argument vector is a TypeArguments of a
     // matching length and, if so, use it as the instantiated type_arguments.
     // No need to check the instantiator ('instantiator_reg') for null here,
     // because a null instantiator will have the wrong class (Null instead of
     // TypeArguments).
     __ CompareClassId(instantiator_reg, kTypeArguments);
     __ j(NOT_EQUAL, &type_arguments_uninstantiated, Assembler::kNearJump);
-    Immediate arguments_length =
-        Immediate(Smi::RawValue(type_arguments().Length()));
     __ cmpq(FieldAddress(instantiator_reg, TypeArguments::length_offset()),
-        arguments_length);
+            Immediate(Smi::RawValue(len)));
     __ j(EQUAL, &type_arguments_instantiated, Assembler::kNearJump);
     __ Bind(&type_arguments_uninstantiated);
   }
   // A runtime call to instantiate the type arguments is required.
   __ PushObject(Object::ZoneHandle());  // Make room for the result.
   __ PushObject(type_arguments());
   __ pushq(instantiator_reg);  // Push instantiator type arguments.
   compiler->GenerateCallRuntime(cid(),
                                 token_index(),
                                 try_index(),
@@ skipping 526 matching lines @@
   } else {
     UNREACHABLE();
   }
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64