[RISCV][docs] Describe status of zicsr and zifencei
authorPhilip Reames <preames@rivosinc.com>
Mon, 13 Feb 2023 17:07:28 +0000 (09:07 -0800)
committerPhilip Reames <listmail@philipreames.com>
Mon, 13 Feb 2023 17:08:27 +0000 (09:08 -0800)
commit0c412fed360f491e2c33373ffae12e10574a2f0e
treee3cf3c3229983156dd3b21b24697031f364d57cc
parentd4021ed3d79d8823317d894b55f4e6a30cfc3614
[RISCV][docs] Describe status of zicsr and zifencei

This has been a repeated point of recent confusion. There are a couple attempts in flight to change the way we handle the extensions, but for the moment, let's just document what's going on.

Differential Revision: https://reviews.llvm.org/D14392
llvm/docs/RISCVUsage.rst