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) {
-  if (new_pc == kNoRegister) {
-    EnterDartFrame(0);
+                                       Register new_pp,
+                                       Register pc_marker_override) {
+  if (pc_marker_override == kNoRegister) {
+    EnterDartFrame(frame_size);
   } else {
     EnterFrame(0);
-    pushq(new_pc);
+    pushq(pc_marker_override);
     pushq(PP);
     movq(PP, new_pp);
     if (frame_size != 0) {
       subq(RSP, Immediate(frame_size));
     }
   }
 }
 
 
 void Assembler::LeaveDartFrame() {
   // Restore caller's PP register that was pushed in EnterDartFrame.
   movq(PP, Address(RBP, (kSavedCallerPpSlotFromFp * kWordSize)));
   LeaveFrame();
 }
 
 
 // On entry to a function compiled for OSR, the caller's frame pointer, the
 // stack locals, and any copied parameters are already in place.  The frame
 // pointer is already set up.  The PC marker is not correct for the
 // optimized function and there may be extra space for spill slots to
 // allocate.
 void Assembler::EnterOsrFrame(intptr_t extra_size,
-                              Register new_pp, Register new_pc) {
-  if (new_pc == kNoRegister) {
+                              Register new_pp,
+                              Register pc_marker_override) {
+  if (pc_marker_override == kNoRegister) {
     Label dart_entry;
     call(&dart_entry);
     Bind(&dart_entry);
     // The runtime system assumes that the code marker address is
     // kEntryPointToPcMarkerOffset bytes from the entry.  Since there is no
     // code to set up the frame pointer, the address needs to be adjusted.
     const intptr_t object_pool_pc_dist =
         Instructions::HeaderSize() - Instructions::object_pool_offset() +
         CodeSize();
     const intptr_t offset = kEntryPointToPcMarkerOffset - CodeSize();
     if (offset != 0) {
       addq(Address(RSP, 0), Immediate(offset));
     }
 
     // Load callee's pool pointer.
     movq(PP, Address(RSP, 0));
     movq(PP, Address(PP, -object_pool_pc_dist - offset));
 
     popq(Address(RBP, kPcMarkerSlotFromFp * kWordSize));
   } else {
-    movq(Address(RBP, kPcMarkerSlotFromFp * kWordSize), new_pc);
+    movq(Address(RBP, kPcMarkerSlotFromFp * kWordSize), pc_marker_override);
     movq(PP, new_pp);
   }
   if (extra_size != 0) {
     subq(RSP, Immediate(extra_size));
   }
 }
 
 
 void Assembler::EnterStubFrame(bool load_pp) {
   EnterFrame(0);
@@ skipping 301 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