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

[Craig Topper via Phabricator via cfe-commits]

craig.topper added a comment.

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，but 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.


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https://reviews.llvm.org/D117468