[arm, arm64] Implemented unaligned scalar float access.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/bootstrap.h"
 #include "vm/compiler.h"
 #include "vm/constant_propagator.h"
@@ skipping 4062 matching lines @@
   switch (cid) {
     case kTypedDataInt8ArrayCid:
     case kTypedDataUint8ArrayCid:
     case kTypedDataUint8ClampedArrayCid:
     case kExternalTypedDataUint8ArrayCid:
     case kExternalTypedDataUint8ClampedArrayCid:
     case kOneByteStringCid:
     case kExternalOneByteStringCid:
       // Don't need to worry about alignment for accessing bytes.
       return kAlignedAccess;
-    case kTypedDataFloat32ArrayCid:
-    case kTypedDataFloat64ArrayCid:
     case kTypedDataFloat64x2ArrayCid:
     case kTypedDataInt32x4ArrayCid:
     case kTypedDataFloat32x4ArrayCid:
       // TODO(rmacnak): Investigate alignment requirements of floating point
       // loads.
       return kAlignedAccess;
   }
 
   return alignment;
 }
@@ skipping 266 matching lines @@
                      "native function '%s' (%" Pd " arguments) cannot be found",
                      native_name().ToCString(), function().NumParameters());
   }
   set_is_auto_scope(auto_setup_scope);
   set_native_c_function(native_function);
 }
 
 #undef __
 
 }  // namespace dart