Add 64-bit stubs to call into the runtime and to call native functions.

runtime/vm/assembler_ia32.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_IA32)
 
 #include "vm/assembler.h"
 #include "vm/heap.h"
 #include "vm/memory_region.h"
@@ skipping 1205 matching lines @@
     if (value == 1) {
       decl(reg);
     } else if (value != 0) {
       subl(reg, Immediate(value));
     }
   }
 }
 
 
 void Assembler::LoadObject(Register dst, const Object& object) {
-  ASSERT(object.IsZoneHandle());
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0xB8 + dst);
-  buffer_.EmitObject(object);
+  if (object.IsSmi()) {
+    movl(dst, Immediate(reinterpret_cast<int32_t>(object.raw())));
+  } else {
+    ASSERT(object.IsZoneHandle());
+    AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+    EmitUint8(0xB8 + dst);
+    buffer_.EmitObject(object);
+  }
 }
 
 
 void Assembler::PushObject(const Object& object) {
-  ASSERT(object.IsZoneHandle());
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  EmitUint8(0x68);
-  buffer_.EmitObject(object);
+  if (object.IsSmi()) {
+    pushl(Immediate(reinterpret_cast<int32_t>(object.raw())));
+  } else {
+    ASSERT(object.IsZoneHandle());
+    AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+    EmitUint8(0x68);
+    buffer_.EmitObject(object);
+  }
 }
 
 
 void Assembler::CompareObject(Register reg, const Object& object) {
-  ASSERT(object.IsZoneHandle());
-  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
-  if (reg == EAX) {
-    EmitUint8(0x05 + (7 << 3));
-    buffer_.EmitObject(object);
+  if (object.IsSmi()) {
+    cmpl(reg, Immediate(reinterpret_cast<int32_t>(object.raw())));
   } else {
-    EmitUint8(0x81);
-    EmitOperand(7, Operand(reg));
-    buffer_.EmitObject(object);
+    ASSERT(object.IsZoneHandle());
+    AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+    if (reg == EAX) {
+      EmitUint8(0x05 + (7 << 3));
+      buffer_.EmitObject(object);
+    } else {
+      EmitUint8(0x81);
+      EmitOperand(7, Operand(reg));
+      buffer_.EmitObject(object);
+    }
   }
 }
 
 
 void Assembler::StoreIntoObject(Register object,
                                 const FieldAddress& dest,
                                 Register value) {
   // TODO(iposva): Add write barrier.
   movl(dest, value);
 }
@@ skipping 195 matching lines @@
                                  Register shifter) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   ASSERT(shifter == ECX);
   EmitUint8(0xD3);
   EmitOperand(rm, Operand(operand));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32