[PATCH] D123515: [RISCV] Support '.option arch' directive

Mon Mar 13 10:06:38 PDT 2023

jrtc27 added a comment.

In D123515#4189301 <https://reviews.llvm.org/D123515#4189301>, @hiraditya wrote:

> This patch is needed for zbb support as per: https://lore.kernel.org/all/20230117122447.y6tdsmsxqdwf76ri@orel/

For Zbb support *in the Linux kernel for its hand-written assembly routines*. Zbb works in Clang/LLVM today, and you can get it with `-march=...zbb...`, whether for compiler-generated code or hand-written assembly.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123515/new/

https://reviews.llvm.org/D123515