[PATCH] D93019: [RISCV] Add support for 'pause' as an alias for 'fence w, 0' [do not merge]

[Alex Bradbury via Phabricator via llvm-commits]

asb added a comment.

In D93019#3166382 <https://reviews.llvm.org/D93019#3166382>, @luojia wrote:

> Hello! I noticed that the pause hint instruction is merged into spec (https://github.com/riscv/riscv-isa-manual/pull/398) and got ratified (https://github.com/riscv/riscv-isa-manual/commit/7a58119dad5bd43e2171a26b56ef60f9591a1c9c).
>
> Should this patch be merged? :) This patch LGTM.

It just needs to be appropriately gated by a zihintpause attribute.


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