[PATCH] D117468: [RISCV] Add intrinsic for Zbt extension

Chenbing.Zheng via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 19 18:18:15 PST 2022

Chenbing.Zheng marked 8 inline comments as done.
Chenbing.Zheng added a comment.

In D117468#3255546 <https://reviews.llvm.org/D117468#3255546>, @craig.topper wrote:

> In D117468#3253879 <https://reviews.llvm.org/D117468#3253879>, @Chenbing.Zheng wrote:
>> In D117468#3253493 <https://reviews.llvm.org/D117468#3253493>, @craig.topper wrote:
>>> Out of curiosity, what is your interest in Zbt? Do you work for a company that is implementing this extension in hardware?
>> My company has not implementing this extension´╝îbut may be in the future. I'm just doing a pre-research.
> The Zbt extensions and the other un-ratified extension from the old Bitmanip spec have not seen any active discussion for at least the last 6-9 months. If that continues, it starts to raise questions about whether llvm should continue to support and extension that does not appear to be on a path to ratification. I've asked for a discussion on this topic at the next RISCV LLVM bi-weekly sync meeting tomorrow morning US time. calendar link here https://llvm.org/docs/GettingInvolved.html#online-sync-ups

Thanks a lot, I will keep watching it.

  rG LLVM Github Monorepo



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