[PATCH] D109488: [X86] Adjust Keylocker store register num for encodekey128/256

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

The pseudocode for _mm256_encodekey256_u32 is incorrect on the Intel Intrinsics Guide

  __h[383:0] := WrapKey256(__key_lo[127:0], __key_hi[127:0], __htype)
  dst[0] := IWKey.NoBackup
  dst[4:1] := IWKey.KeySource[3:0]

That should be `__h[511:0]`


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https://reviews.llvm.org/D109488