UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[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\r
memcmp (\r
  void *,\r
  void *,\r
  size_t\r
  );\r
\r
#pragma intrinsic(memcmp)\r
#pragma function(memcmp)\r
int\r
memcmp (\r
  const void  *s1,\r
  const void  *s2,\r
  size_t      n\r
  )\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
    }\r
\r
    t1++;\r
    t2++;\r
  }\r
\r
  return 0;\r
}\r