Switch code generation on ARM from softfp ABI to hardfp ABI.

runtime/vm/constants_arm.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_ARM_H_
 #define VM_CONSTANTS_ARM_H_
 
 #include "platform/assert.h"
 
 namespace dart {
@@ skipping 112 matching lines @@
   D30 = 30,
   D31 = 31,
   kNumberOfDRegisters = 32,
 #endif
   kNumberOfOverlappingDRegisters = 16,
   kNoDRegister = -1,
 };
 
 
 // Register aliases for floating point scratch registers.
-const DRegister DTMP = D0;  // Overlaps with STMP.
-const SRegister STMP = S0;
+const DRegister DTMP = D15;  // Overlaps with STMP.
+const SRegister STMP = S30;
 
 // Architecture independent aliases.
 typedef DRegister FpuRegister;
 const FpuRegister FpuTMP = DTMP;
 const int kNumberOfFpuRegisters = kNumberOfDRegisters;
 const FpuRegister kNoFpuRegister = kNoDRegister;
 
 // Register aliases.
 const Register TMP = IP;  // Used as scratch register by assembler.
 const Register CTX = R9;  // Caches current context in generated code.
@@ skipping 436 matching lines @@
   static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); }
 
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(Instr);
 };
 
 }  // namespace dart
 
 #endif  // VM_CONSTANTS_ARM_H_