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

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

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2019, Pete Batard. All rights reserved.\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
int memcmp(void *, void *, size_t);\r
#pragma intrinsic(memcmp)\r
#pragma function(memcmp)\r
int memcmp(const void *s1, const void *s2, size_t n)\r
{\r
  unsigned char const *t1;\r
  unsigned char const *t2;\r
\r
  t1 = s1;\r
  t2 = s2;\r
\r
  while (n-- != 0) {\r
    if (*t1 != *t2)\r
      return (int)*t1 - (int)*t2;\r
    t1++;\r
    t2++;\r
  }\r
\r
  return 0;\r
}\r