[PATCH] D101919: RISCV: add a few deprecated aliases for CSRs

[Saleem Abdulrasool via Phabricator via llvm-commits]

compnerd added a comment.

@jrtc27 - I'm open to improving the diagnostics, but this plumbs the functionality.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101919/new/

https://reviews.llvm.org/D101919