[PATCH] D74304: [VE] Bit operator isel
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 11 12:06:08 PST 2020
arsenm accepted this revision.
arsenm added a comment.
This revision is now accepted and ready to land.
In D74304#1869843 <https://reviews.llvm.org/D74304#1869843>, @simoll wrote:
> - Use `i32` promotion for `bitreverse`
>
> I looked into `i32` -> `i64` promotion instead of `i32` isel patterns. The promoted code was worse except for `bitreverse`.
I would guess something else is going wrong, and it should be better to promote. Anything is better than nothing for now though
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https://reviews.llvm.org/D74304/new/
https://reviews.llvm.org/D74304
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