[PATCH] D48128: [ARM] Parallel DSP IR Pass

Sjoerd Meijer via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 14 00:42:01 PDT 2018


SjoerdMeijer added a comment.

> On targets with NEON, we should prefer NEON vectorization (vmlal etc.) over DSP instructions in almost all cases.

Yes, definitely!

>   Is this intended specifically for targets which don't have NEON?

Oh yes, forgot to mention that probably. We are looking at M-cores. However, I can also see this being useful on A-cores when (NEON) vectorisation has not kicked in, but I have not looked into that yet. So yes, targets without NEON is my first priority for now.


https://reviews.llvm.org/D48128





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