[PATCH] D124903: [X86][AMX] Replace PXOR instruction with SET0 in AMX pre config.

[Xiang Zhang via Phabricator via llvm-commits]

xiangzhangllvm added a comment.

> To generate zero value, ... may convert

  >%0:vr128 = PXORrr undef %0, undef %0
  >to %1:vr128 = PXORrr undef %1:vr128(tied-def 0), undef %0:vr128.

> It is not expected.

And I think this is not only "expected", this convert is not equal/right, it should not do this convert.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D124903/new/

https://reviews.llvm.org/D124903