[PATCH] D121147: [x86] try harder to use shift instead of test if it can save some immediate bytes

[Matthias Braun via Phabricator via llvm-commits]

MatzeB accepted this revision.
MatzeB added a comment.
This revision is now accepted and ready to land.

I have no hard numbers or experience how to value smaller code size against port constraints; Given that there's no other opinions and my intuition is that code size is likely more valuable here.

LGTM


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121147/new/

https://reviews.llvm.org/D121147