message: Update Win32PlatformMisc.hpp
  Fix ARM64 compilation. MSVC _CountOneBits intrinsics undefined for ARM64.
diff: @@ -108,8 +108,12 @@ struct WindowsMisc : public BasicPlatformMisc
  inline static Diligent::Uint32 CountOneBits(Diligent::Uint32 Val)
  {
  -#if _M_ARM
  - auto Bits = _CountOneBits(Val);
  +#if defined _M_ARM || defined _M_ARM64
  + // MSVC _CountOneBits intrinsics undefined for ARM64
  + // Cast bits to 8x8 datatype and use VCNT on result
  + const uint8x8_t Vsum = vcnt_u8(vcreate_u8(static_cast<uint64_t>(Val)));
  + // Pairwise sums: 8x8 -> 16x4 -> 32x2
  + auto Bits = static_cast<Diligent::Uint32>(vget_lane_u32(vpaddl_u16(vpaddl_u8(Vsum)), 0));
  #else
  auto Bits = __popcnt(Val);
  #endif
  @@ -119,8 +123,11 @@ struct WindowsMisc : public BasicPlatformMisc
  inline static Diligent::Uint32 CountOneBits(Diligent::Uint64 Val)
  {
  -#if _M_ARM
  - auto Bits = _CountOneBits64(Val);
  +#if defined _M_ARM || defined _M_ARM64
  + // Cast bits to 8x8 datatype and use VCNT on result
  + const uint8x8_t Vsum = vcnt_u8(vcreate_u8(Val));
  + // Pairwise sums: 8x8 -> 16x4 -> 32x2 -> 64x1
  + auto Bits = static_cast<Diligent::Uint32>(vget_lane_u64(vpaddl_u32(vpaddl_u16(vpaddl_u8(Vsum))), 0));
  #elif _WIN64
  auto Bits = __popcnt64(Val);
  #else
  