Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils"

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 2307 matching lines @@
   int sd, d;
   first.split_code(&sd, &d);
   int count = last.code() - first.code() + 1;
   emit(cond | B27 | B26 | am | d*B22 | base.code()*B16 | sd*B12 |
        0xA*B8 | count);
 }
 
 
 static void DoubleAsTwoUInt32(double d, uint32_t* lo, uint32_t* hi) {
   uint64_t i;
-  MemCopy(&i, &d, 8);
+  OS::MemCopy(&i, &d, 8);
 
   *lo = i & 0xffffffff;
   *hi = i >> 32;
 }
 
 
 // Only works for little endian floating point formats.
 // We don't support VFP on the mixed endian floating point platform.
 static bool FitsVMOVDoubleImmediate(double d, uint32_t *encoding) {
   ASSERT(CpuFeatures::IsSupported(VFP3));
@@ skipping 768 matching lines @@
 
   // Set up new buffer.
   desc.buffer = NewArray<byte>(desc.buffer_size);
 
   desc.instr_size = pc_offset();
   desc.reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos();
 
   // Copy the data.
   int pc_delta = desc.buffer - buffer_;
   int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_);
-  MemMove(desc.buffer, buffer_, desc.instr_size);
-  MemMove(reloc_info_writer.pos() + rc_delta, reloc_info_writer.pos(),
-          desc.reloc_size);
+  OS::MemMove(desc.buffer, buffer_, desc.instr_size);
+  OS::MemMove(reloc_info_writer.pos() + rc_delta,
+              reloc_info_writer.pos(), desc.reloc_size);
 
   // Switch buffers.
   DeleteArray(buffer_);
   buffer_ = desc.buffer;
   buffer_size_ = desc.buffer_size;
   pc_ += pc_delta;
   reloc_info_writer.Reposition(reloc_info_writer.pos() + rc_delta,
                                reloc_info_writer.last_pc() + pc_delta);
 
   // None of our relocation types are pc relative pointing outside the code
@@ skipping 523 matching lines @@
   ASSERT((index_64bit == count_of_64bit_) &&
          (index_code_ptr == (index_64bit + count_of_code_ptr_)) &&
          (index_heap_ptr == (index_code_ptr + count_of_heap_ptr_)) &&
          (index_32bit == (index_heap_ptr + count_of_32bit_)));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM