Enables cross-compilation of the VM for ARM.

runtime/vm/assembler_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/simulator.h"
 #include "vm/runtime_entry.h"
@@ skipping 22 matching lines @@
 }
 #endif
 
 
 #define __ assembler.
 
 void CPUFeatures::InitOnce() {
 #if defined(USING_SIMULATOR)
   integer_division_supported_ = true;
 #else
-  Assembler assembler;
-  __ mrc(R0, 15, 0, 0, 2, 0);
-  __ Lsr(R0, R0, 24);
-  __ and_(R0, R0, ShifterOperand(0xf));
-  __ Ret();
-
-  const Code& code =
-      Code::Handle(Code::FinalizeCode("DetectCPUFeatures", &assembler));
-  Instructions& instructions = Instructions::Handle(code.instructions());
-  typedef int32_t (*DetectCPUFeatures)();
-  int32_t features =
-      reinterpret_cast<DetectCPUFeatures>(instructions.EntryPoint())();
-  integer_division_supported_ = features != 0;
+  integer_division_supported_ = false;
 #endif  // defined(USING_SIMULATOR)
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
 
 #undef __
 
 
 // Instruction encoding bits.
@@ skipping 2060 matching lines @@
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM