[arm] Clean up the use of UNALIGNED_ACCESSES.

src/arm/codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/arm/codegen-arm.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include <memory>
 
 #include "src/arm/simulator-arm.h"
 #include "src/codegen.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 
 #define __ masm.
 
 #if defined(V8_HOST_ARCH_ARM)
 MemCopyUint8Function CreateMemCopyUint8Function(Isolate* isolate,
                                                 MemCopyUint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
-  if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == nullptr) return stub;
 
   MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size),
                       CodeObjectRequired::kNo);
 
   Register dest = r0;
   Register src = r1;
@@ skipping 137 matching lines @@
 #endif
 }
 
 
 // Convert 8 to 16. The number of character to copy must be at least 8.
 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
     Isolate* isolate, MemCopyUint16Uint8Function stub) {
 #if defined(USE_SIMULATOR)
   return stub;
 #else
-  if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == nullptr) return stub;
 
   MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size),
                       CodeObjectRequired::kNo);
 
   Register dest = r0;
   Register src = r1;
@@ skipping 606 matching lines @@
     patcher.masm()->ldr(pc, MemOperand(pc, -4));
     patcher.masm()->emit_code_stub_address(stub);
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM