Enables simple static call test on arm64.

runtime/vm/intermediate_language_arm64.cc

 // Copyright (c) 2014, 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_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/locations.h"
 #include "vm/object_store.h"
 #include "vm/parser.h"
 #include "vm/simulator.h"
 #include "vm/stack_frame.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
 
 #define __ compiler->assembler()->
 
 namespace dart {
 
 DECLARE_FLAG(int, optimization_counter_threshold);
 DECLARE_FLAG(bool, use_osr);
 
+// Generic summary for call instructions that have all arguments pushed
+// on the stack and return the result in a fixed register R0.
 LocationSummary* Instruction::MakeCallSummary() {
-  UNIMPLEMENTED();
-  return NULL;
+  LocationSummary* result = new LocationSummary(0, 0, LocationSummary::kCall);
+  result->set_out(0, Location::RegisterLocation(R0));
+  return result;
 }
 
 
 LocationSummary* PushArgumentInstr::MakeLocationSummary(bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 void PushArgumentInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
@@ skipping 1335 matching lines @@
 }
 
 
 void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64