[PATCH] D103144: [X86][Costmodel] Load/store v2i16 VF=2 interleaving costs

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D103144#2784735 <https://reviews.llvm.org/D103144#2784735>, @RKSimon wrote:

> In D103144#2783028 <https://reviews.llvm.org/D103144#2783028>, @lebedev.ri wrote:
>
>> Sidenote, i'm still unsure whether we should specify that Zen 3 has `FeatureFastVariableShuffle`.
>> Byte-wise variable shuffle is fast, but some are ucoded.
>
> Yes, in hindsight this feature flag needs splitting into FeatureFastVariableCrossLaneShuffle + FeatureFastVariablePerLaneShuffle,

Hmm. Let me look into that first then, right now :)


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