This notably gets prefetch working on MSVC Implementation note: https://docs.microsoft.com/en-us/windows/win32/api/winnt/nf-winnt-prefetchcacheline MSVC does have PreFetchCacheLine, but that would require including <windows.h> in a header PiperOrigin-RevId: 449602543 Change-Id: I5e6ca4b7c3d287779aa03c2fd348b41fb65c3680
