Port object tests to x64.

runtime/vm/assembler_x64.cc

 // 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.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/heap.h"
 #include "vm/memory_region.h"
@@ skipping 25 matching lines @@
 
 void Assembler::call(Label* label) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   static const int kSize = 5;
   EmitUint8(0xE8);
   EmitLabel(label, kSize);
 }
 
 
 void Assembler::call(const ExternalLabel* label) {
-  movq(R11, Immediate(label->address()));
-  call(R11);
+  movq(TMP, Immediate(label->address()));
+  call(TMP);
 }
 
 
 void Assembler::pushq(Register reg) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitRegisterREX(reg, REX_NONE);
   EmitUint8(0x50 | (reg & 7));
 }
 
 
@@ skipping 1010 matching lines @@
     EmitUint8(0xEB);
     EmitNearLabelLink(label);
   } else {
     EmitUint8(0xE9);
     EmitLabelLink(label);
   }
 }
 
 
 void Assembler::jmp(const ExternalLabel* label) {
-  movq(R11, Immediate(label->address()));
-  jmp(R11);
+  movq(TMP, Immediate(label->address()));
+  jmp(TMP);
 }
 
 
 void Assembler::lock() {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0xF0);
 }
 
 
 void Assembler::cmpxchgl(const Address& address, Register reg) {
@@ skipping 27 matching lines @@
     if (value == 1) {
       decq(reg);
     } else if (value != 0) {
       subq(reg, Immediate(value));
     }
   }
 }
 
 
 void Assembler::LoadObject(Register dst, const Object& object) {
-  UNIMPLEMENTED();
   ASSERT(object.IsZoneHandle());
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0xB8 + dst);
+  EmitRegisterREX(dst, REX_W);
+  EmitUint8(0xB8 | (dst & 7));
   buffer_.EmitObject(object);
 }
 
 
 void Assembler::PushObject(const Object& object) {
-  UNIMPLEMENTED();
-  ASSERT(object.IsZoneHandle());
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x68);
-  buffer_.EmitObject(object);
+  LoadObject(TMP, object);
+  pushq(TMP);
 }
 
 
 void Assembler::CompareObject(Register reg, const Object& object) {
-  UNIMPLEMENTED();
-  ASSERT(object.IsZoneHandle());
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  if (reg == RAX) {
-    EmitUint8(0x05 + (7 << 3));
-    buffer_.EmitObject(object);
-  } else {
-    EmitUint8(0x81);
-    EmitOperand(7, Operand(reg));
-    buffer_.EmitObject(object);
-  }
+  ASSERT(reg != TMP);
+  LoadObject(TMP, object);
+  cmpq(reg, TMP);
 }
 
 
 void Assembler::Stop(const char* message) {
   // Emit the lower half and the higher half of the message address as immediate
   // operands in the test rax instructions, followed by the int3 instruction.
   // Execution can be resumed with the 'cont' command in gdb.
   int64_t message_address = reinterpret_cast<int64_t>(message);
   testl(RAX, Immediate(Utils::Low32Bits(message_address)));
   testl(RAX, Immediate(Utils::High32Bits(message_address)));
@@ skipping 137 matching lines @@
   } else {
     EmitRegisterREX(operand, REX_NONE);
   }
   EmitUint8(0xD3);
   EmitOperand(rm, Operand(operand));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64