Allow unaligned accesses for ARMv7.

src/arm/constants-arm.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 57 matching lines @@
 #if !defined(__arm__)
 # define CAN_USE_ARMV5_INSTRUCTIONS 1
 # define CAN_USE_THUMB_INSTRUCTIONS 1
 
 # ifndef CAN_USE_UNALIGNED_ACCESSES
 #  define CAN_USE_UNALIGNED_ACCESSES 1
 # endif
 
 #endif
 
-#if CAN_USE_UNALIGNED_ACCESSES
-#define V8_TARGET_CAN_READ_UNALIGNED 1
-#endif
-
 // Using blx may yield better code, so use it when required or when available
 #if defined(USE_THUMB_INTERWORK) || defined(CAN_USE_ARMV5_INSTRUCTIONS)
 #define USE_BLX 1
 #endif
 
 namespace v8 {
 namespace internal {
 
 // Constant pool marker.
 const int kConstantPoolMarkerMask = 0xffe00000;
@@ skipping 674 matching lines @@
   static int Number(const char* name, bool* is_double);
 
  private:
   static const char* names_[kNumVFPRegisters];
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CONSTANTS_ARM_H_