Begins work on ARM64, first assembler test.

runtime/vm/unit_test.h

 // Copyright (c) 2011, 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.
 
 #ifndef VM_UNIT_TEST_H_
 #define VM_UNIT_TEST_H_
 
 #include "include/dart_api.h"
 
+#include "platform/globals.h"
+
 #include "vm/ast.h"
 #include "vm/dart.h"
 #include "vm/globals.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/simulator.h"
 #include "vm/zone.h"
@@ skipping 103 matching lines @@
   static void CodeGenTestRun##name1(const Function& function) {                \
     Object& result = Object::Handle();                                         \
     result = DartEntry::InvokeFunction(function, Object::empty_array());       \
     EXPECT(!result.IsError());                                                 \
     Instance& actual = Instance::Handle();                                     \
     actual ^= result.raw();                                                    \
     EXPECT(actual.Equals(Instance::Handle(expected)));                         \
   }
 
 
-#if defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
-#if defined(HOST_ARCH_ARM) || defined(HOST_ARCH_MIPS)
+#if defined(TARGET_ARCH_ARM) ||                                                \
+    defined(TARGET_ARCH_MIPS) ||                                               \
+    defined(TARGET_ARCH_ARM64)
+#if defined(HOST_ARCH_ARM) ||                                                  \
+    defined(HOST_ARCH_MIPS) ||                                                 \
+    defined(HOST_ARCH_ARM64)
 // Running on actual ARM or MIPS hardware, execute code natively.
 #define EXECUTE_TEST_CODE_INT32(name, entry) reinterpret_cast<name>(entry)()
 #define EXECUTE_TEST_CODE_INT64_LL(name, entry, long_arg0, long_arg1)          \
     reinterpret_cast<name>(entry)(long_arg0, long_arg1)
 #define EXECUTE_TEST_CODE_FLOAT(name, entry) reinterpret_cast<name>(entry)()
 #define EXECUTE_TEST_CODE_DOUBLE(name, entry) reinterpret_cast<name>(entry)()
 #define EXECUTE_TEST_CODE_INT32_F(name, entry, float_arg)                      \
     reinterpret_cast<name>(entry)(float_arg)
 #define EXECUTE_TEST_CODE_INT32_D(name, entry, double_arg)                     \
     reinterpret_cast<name>(entry)(double_arg)
 #else
 // Not running on ARM or MIPS hardware, call simulator to execute code.
+#if defined(ARCH_IS_64_BIT)
+#define EXECUTE_TEST_CODE_INT32(name, entry)                                   \
+  static_cast<int32_t>(Simulator::Current()->Call(                             \
+      bit_cast<int64_t, uword>(entry), 0, 0, 0, 0))
+#else
 #define EXECUTE_TEST_CODE_INT32(name, entry)                                   \
   static_cast<int32_t>(Simulator::Current()->Call(                             \
       bit_cast<int32_t, uword>(entry), 0, 0, 0, 0))
+#endif
 #define EXECUTE_TEST_CODE_INT64_LL(name, entry, long_arg0, long_arg1)          \

[regis, 2014/04/01 19:52:53]

I suppose you will provide 64-bit versions of these macros later as they are
needed? Add a TODO to indicate so.

[zra, 2014/04/01 20:35:08]

Done.

   static_cast<int64_t>(Simulator::Current()->Call(                             \
       bit_cast<int32_t, uword>(entry),                                         \
       Utils::Low32Bits(long_arg0),                                             \
       Utils::High32Bits(long_arg0),                                            \
       Utils::Low32Bits(long_arg1),                                             \
       Utils::High32Bits(long_arg1)))
 #define EXECUTE_TEST_CODE_FLOAT(name, entry)                                   \
   bit_cast<float, int32_t>(Simulator::Current()->Call(                         \
       bit_cast<int32_t, uword>(entry), 0, 0, 0, 0, true))
 #define EXECUTE_TEST_CODE_DOUBLE(name, entry)                                  \
@@ skipping 221 matching lines @@
       }                                                                        \
     } else {                                                                   \
       dart::Expect(__FILE__, __LINE__).Fail("expected True, but was '%s'\n",   \
           #handle);                                                            \
     }                                                                          \
   } while (0)
 
 }  // namespace dart
 
 #endif  // VM_UNIT_TEST_H_