jitintrinsic
The latest version of this topic can be found at jitintrinsic.
Marks the function as significant to the 64-bit common language runtime. This is used on certain functions in Microsoft-provided libraries.
Syntax
__declspec(jitintrinsic)
Remarks
jitintrinsic adds a MODOPT (IsJitIntrinsic) to a function signature.
Users are discouraged from using this __declspec modifier, as unexpected results can occur.