[compiler-rt] [compiler-rt] Implement __extendxftf2 and __trunctfxf2 for x86_64 (PR #66918)

[Erich Keane via llvm-commits]

erichkeane wrote:

> Adding @erichkeane here as well to help review.

I have no idea about this, I actually have no idea what these do.  Were you perhaps thinking of someone else?

https://github.com/llvm/llvm-project/pull/66918