Compile and simulate first dart function on arm generated from ast.

runtime/vm/constants_ia32.h

 // 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.
 
 #ifndef VM_CONSTANTS_IA32_H_
 #define VM_CONSTANTS_IA32_H_
 
 #include "platform/assert.h"
 
 namespace dart {
 
 enum Register {
+  kFirstFreeCpuRegister = 0,
   EAX = 0,
   ECX = 1,
   EDX = 2,
   EBX = 3,
   ESP = 4,
   EBP = 5,
   ESI = 6,
   EDI = 7,
+  kLastFreeCpuRegister = 7,
   kNumberOfCpuRegisters = 8,
-  kFirstByteUnsafeRegister = 4,
   kNoRegister = -1  // Signals an illegal register.
 };
 
 
 enum ByteRegister {
   AL = 0,
   CL = 1,
   DL = 2,
   BL = 3,
   AH = 4,
@@ skipping 19 matching lines @@
 
 
 // Architecture independent aliases.
 typedef XmmRegister FpuRegister;
 const FpuRegister FpuTMP = XMM0;
 const int kNumberOfFpuRegisters = kNumberOfXmmRegisters;
 
 
 // Register aliases.
 const Register TMP = kNoRegister;  // No scratch register used by assembler.
-const Register CTX = ESI;          // Caches current context in generated code.
-const Register SPREG = ESP;
-const Register FPREG = EBP;
+const Register CTX = ESI;  // Caches current context in generated code.
+const Register PP = kNoRegister;  // No object pool pointer.
+const Register SPREG = ESP;  // Stack pointer register.
+const Register FPREG = EBP;  // Frame pointer register.
 
 // Exception object is passed in this register to the catch handlers when an
 // exception is thrown.
 const Register kExceptionObjectReg = EAX;
 
 // Stack trace object is passed in this register to the catch handlers when
 // an exception is thrown.
 const Register kStackTraceObjectReg = EDX;
 
 enum ScaleFactor {
@@ skipping 57 matching lines @@
 };
 
 
 // The largest multibyte nop we will emit.  This could go up to 15 if it
 // becomes important to us.
 const int MAX_NOP_SIZE = 8;
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_IA32_H_