Introduce v8::Integer::NewFromUnsigned method.

src/x64/macro-assembler-x64.cc

 // Copyright 2009 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 718 matching lines @@
   j(negative, on_not_smi_result);
   bind(&non_zero_result);
 }
 
 
 void MacroAssembler::SmiTryAddConstant(Register dst,
                                        Register src,
                                        int32_t constant,
                                        Label* on_not_smi_result) {
   // Does not assume that src is a smi.
-  ASSERT_EQ(1, kSmiTagMask);
+  ASSERT_EQ(static_cast<intptr_t>(1), kSmiTagMask);
   ASSERT_EQ(0, kSmiTag);
   ASSERT(Smi::IsValid(constant));
 
   Register tmp = (src.is(dst) ? kScratchRegister : dst);
   movl(tmp, src);
   addl(tmp, Immediate(Smi::FromInt(constant)));
   if (tmp.is(kScratchRegister)) {
     j(overflow, on_not_smi_result);
     testl(tmp, Immediate(kSmiTagMask));
     j(not_zero, on_not_smi_result);
@@ skipping 1405 matching lines @@
   // Indicate that code has changed.
   CPU::FlushICache(address_, size_);
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal