Enables first codegen test on arm64.

runtime/vm/assembler_x64.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"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/heap.h"
@@ skipping 2881 matching lines @@
   movq(PP, Address(RSP, 1 * kWordSize));
   movq(PP, Address(PP, -object_pool_pc_dist - offset));
 
   if (frame_size != 0) {
     subq(RSP, Immediate(frame_size));
   }
 }
 
 
 void Assembler::EnterDartFrameWithInfo(intptr_t frame_size,
                                        Register new_pp, Register new_pc) {

[regis, 2014/04/22 23:38:10]

new_pc is not a good name. It is more like a pc_marker_override.

[zra, 2014/04/23 17:18:45]

Done.

   if (new_pc == kNoRegister) {
-    EnterDartFrame(0);
+    EnterDartFrame(frame_size);

[regis, 2014/04/22 23:38:10]

bug?

[zra, 2014/04/23 17:18:45]

I assume so, but I think we must have never passed anything non-zero to
EnterDartFrameWithInfo.

   } else {
     EnterFrame(0);
     pushq(new_pc);
     pushq(PP);
     movq(PP, new_pp);
     if (frame_size != 0) {
       subq(RSP, Immediate(frame_size));
     }
   }
 }
@@ skipping 349 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64