[PATCH] D62686: [RISCV] Add support for save/restore of callee-saved registers via libcalls

[Sam Elliott via Phabricator via cfe-commits]

lenary added a comment.

We discussed this in the RISC-V meeting on 19 Sept 2019. @apazos says there are some SPEC failures in both 2006 and 2017, which would be good to triage.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62686/new/

https://reviews.llvm.org/D62686