[PATCH] D125075: [X86][AMX] Multiple configure for AMX register.

Tue May 24 01:24:36 PDT 2022

LuoYuanke added a comment.

In D125075#3533598 <https://reviews.llvm.org/D125075#3533598>, @nikic wrote:

> FYI this has some noticeable compile-time impact on `O0` builds: http://llvm-compile-time-tracker.com/compare.php?from=62a9b36fcf728b104ea87e6eb84c0be69b779df7&to=496156ac57da3abd9c8a6dc422852b7bdfaa448f&stat=instructions
>
> Maybe it's possible to skip more of X86FastPreTileConfig early if tile registers are not used (i.e. almost always)?

Yes, that's a promising fix. Let me come up with a patch for it. Thanks.

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