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

Nikita Popov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 24 01:20:31 PDT 2022


nikic added a comment.

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)?


Repository:
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https://reviews.llvm.org/D125075



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