Replace OS::MemCopy with OS::MemMove (just as fast but more flexible).

src/mips/assembler-mips.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 1661 matching lines @@
   GenInstrRegister(COP1, CTC1, rt, fs);
 }
 
 
 void Assembler::cfc1(Register rt, FPUControlRegister fs) {
   GenInstrRegister(COP1, CFC1, rt, fs);
 }
 
 void Assembler::DoubleAsTwoUInt32(double d, uint32_t* lo, uint32_t* hi) {
   uint64_t i;
-  memcpy(&i, &d, 8);
+  OS::MemCopy(&i, &d, 8);
 
   *lo = i & 0xffffffff;
   *hi = i >> 32;
 }
 
 // Arithmetic.
 
 void Assembler::add_d(FPURegister fd, FPURegister fs, FPURegister ft) {
   GenInstrRegister(COP1, D, ft, fs, fd, ADD_D);
 }
@@ skipping 297 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);
 
   // Relocate runtime entries.
@@ skipping 285 matching lines @@
   }
 
   if (patched) {
       CPU::FlushICache(pc+2, sizeof(Address));
   }
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS