UefiCpuPkg: Change complex DEBUG_CODE() to DEBUG_CODE_BEGIN/END()

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / memcpy_ms.c

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2017, Pete Batard. All rights reserved.<BR>\r
// Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r
//\r
// SPDX-License-Identifier: BSD-2-Clause-Patent\r
//\r
//------------------------------------------------------------------------------\r
\r
#if defined(_M_ARM64)\r
typedef unsigned __int64  size_t;\r
#else\r
typedef unsigned __int32  size_t;\r
#endif\r
\r
void* memcpy(void *, const void *, size_t);\r
#pragma intrinsic(memcpy)\r
#pragma function(memcpy)\r
void* memcpy(void *dest, const void *src, size_t n)\r
{\r
  unsigned char *d;\r
  unsigned char const *s;\r
\r
  d = dest;\r
  s = src;\r
\r
  while (n-- != 0) {\r
    *d++ = *s++;\r
  }\r
\r
  return dest;\r
}\r