[PATCH] D42989: [X86] When doing callee save/restore for k-registers make sure we don't use KMOVQ on non-BWI targets

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I can't find any public documentation for this calling convention. Adding a few more people. @zvi @delena @davidkreitzer do you know how this calling convention is supposed to work?


https://reviews.llvm.org/D42989